chore(deps): update dependency org.jetbrains.kotlin:kotlin-maven-plugin to v2 #8

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This PR contains the following updates:

Package	Type	Update	Change
org.jetbrains.kotlin:kotlin-maven-plugin (source)	build	major	1.9.25 -> 2.1.10

---

Release Notes

JetBrains/kotlin (org.jetbrains.kotlin:kotlin-maven-plugin)

v2.1.10

Compare Source

Compiler

• KT-73858 Compose / iOS: NullPointerException on building
• KT-73454 K2: Fix type parameters mapping for typealiases with inner RHS
• KT-73043 K2 Compiler does not allow references to inner constructors with typealiases
• KT-74040 Compilation of inner class usage does not check the visibility of parent class during compilation in different rounds
• KT-73339 K2: "VerifyError: Bad type on operand stack" because of missing implicit cast on generic field receiver with star projection
• KT-72585 K2: Compilation failure when upgrading to Kotlin 2.0.20+: Cannot replace top-level type with star projection: S
• KT-73399 compile-time JVM codegen failure on a KProperty argument of a KSuspendFunction parameter
• KT-72725 KMP: Unsupported actualization of inherited java field in expect class
• KT-73153 K2: Standalone diagnostics on type arguments are not reported

Compose compiler

• CMP-5680 Compose compiler: unexpected stability warnings for classes compiled with 2.0.10
• b/381407900 Avoid adding Compose annotations on synthetic classes

IR. Inlining

• KT-73981 Cherry-pick the fix for KT-73482 to 2.1.10

JavaScript

• KT-70778 Kotlin Js companion is undefined in production build
• KT-73130 KJS: Missed break for do/while in generated JS code
• KT-58797 Optimize the code generated for objects on JS and Wasm backends

Klibs

• KT-70146 [KLIB Resolve] Don't fail on nonexistent transitive dependency
• KT-73951 Workaround for "Partial linkage engine may not patch some discrepancies in IR when compiling Kotlin/Native static caches" in 2.1.10

Native

• KT-73559 K/Native: AndroidNativeArm64 linking fails starting from Kotlin 2.1.0

Tools. CLI

• KT-73967 JDK 25: "IllegalArgumentException: 25-ea" with EA builds

Tools. Daemon

• KT-73311 "Unable to release compile session, maybe daemon is already down" flakiness

Tools. Gradle

• KT-73728 'generatePomFileForMavenPublication' creates pom with dependencies with 'unspecified' version

Tools. Gradle. Multiplatform

• KT-73620 KMP 2.1.0: Transitive dependency is broken when setting publication groupId

Tools. Gradle. Native

• KT-73572 [Gradle] kotlin.native.cacheKind=none doesn't work anymore
• KT-71419 Light bundle KGP IT run against a stable K/N version

v2.1.0

Compare Source

Analysis API

New Features

• KT-68603 KotlinDirectInheritorsProvider: add an option to ignore non-kotlin results

Performance Improvements

• KT-70757 Performance problem in KaFirVisibilityChecker for KaFirPsiJavaClassSymbol

Fixes

• KT-70437 Class reference is not resolvable
• KT-57733 Analysis API: Use optimized ModuleWithDependenciesScopes in combined symbol providers
• KT-72389 K2: False positive "Redundant 'protected' modifier" for protected property inside protected constructor from private or internal class
• KT-69190 K2: False-positive "redundant private modifier"
• KT-64984 Analysis API: Support Wasm target
• KT-70375 K2: NPE at org.jetbrains.kotlin.analysis.api.fir.symbols.KaFirNamedClassSymbolBase.createPointer
• KT-71259 K2 evaluator: Invalid smart cast info collecting for Code Fragments
• KT-69360 Lack of implicit receiver for the last statement under lambda in scripts
• KT-70890 Analysis API: Experiment with weak references to LL FIR/analysis sessions in session caches
• KT-70657 Analysis API: Inner types from classes with generics are incorrectly represented by the compiled jars
• KT-71055 Suspend calls inside 'analyze()' break the block guarantees
• KT-70815 Analysis API: Implement stop-the-world session invalidation
• KT-69819 K2 IDE: LHS type in callable references is unresolved when it has type arguments and is qualified
• KT-68761 Analysis API: Experiment with limited-size cache in KaFirSessionProvider
• KT-70384 Analysis API Standalone: The same class in the same two renamed jars is unresolved
• KT-71067 Exceptions from references cancel Find Usages
• KT-69535 Redesign 'containingSymbol'
• KT-71025 K2 IDE: Scopes in "importingScopeContext" have reversed ordering and "indexInTower" values
• KT-67483 K2 IDE: Serializable plugin causes infinite resolve recursion when there is a star import from a class with annotation call
• KT-69416 K2 IDE / Completion: “No classifier found” on simple value creating
• KT-70257 CCE: class kotlin.UInt cannot be cast to class java.lang.Number
• KT-70376 K2 IDE / Kotlin Debugger: IAE “Only componentN functions should be cached this way, but got: toString” on evaluating toString() method for value class
• KT-70264 AA: service registration via XML fails with AbstractMethodError in Lint CLI
• KT-69950 Analysis API: Introduce isSubtypeOf(ClassId)
• KT-68625 K2: “lazyResolveToPhase(STATUS) cannot be called from a transformer with a phase STATUS.”
• KT-67665 K2: contract violation for value class with a constructor parameter with an implicit type
• KT-67009 Analysis API: Add abbreviated type tests for type aliases from source modules
• KT-69977 KaFirFunctionalType#getAbbreviation is always null
• KT-68341 Analysis API: Expanded function types from libraries don't have an abbreviated type
• KT-68857 Analysis API: Refactor annotations
• KT-70386 Do not filter out overloads from different libraries in dangling files
• KT-65552 K2: CANNOT_CHECK_FOR_ERASED in KtTypeCodeFragment
• KT-65803 K2: Analysis API: KtFirTypeProvider#getSubstitutedSuperTypes throws an exception in the case of "Wrong number of type arguments"
• KT-68896 Support VirtualFile binary dependency inputs to Analysis API modules
• KT-69395 K2 IDE: incorrect overload selection from binary dependencies in a shared native source set
• KT-68573 ISE: "Unexpected constant value (kotlin/annotation/AnnotationTarget, CLASS)" at Kt1DescUtilsKt.toKtConstantValue()
• KT-69576 Analysis API: FIR implementation of "isImplicitReferenceToCompanion" returns false for companion references in implicit invoke operator calls
• KT-69568 Analysis API: FIR implementation of "isImplicitReferenceToCompanion" returns true for non-companion references in qualified calls
• KT-69436 Analysis API Platform: Encapsulate LLFirDeclarationModificationService as an engine service
• KT-63004 K2: Analysis API: Design API for querying declarations generated by compiler plugins (similar to indices)
• KT-69452 AA FIR: wrong source PSI after compile-time evaluation
• KT-69598 AA: definitely not-null type at receiver position should be wrapped in parenthesis
• KT-60484 Analysis API: add support for KtType pointers similar to KtSymbolPointer
• KT-68884 Analysis API: Rename/deprecate/remove declarations as part of Stabilization
• KT-69453 AA FIR: miss to handle expected type of lambda with explicit label
• KT-69533 Protect implementation parts of Analysis API with opt-in annotations

Analysis API. FIR

Performance Improvements

• KT-71566 FirElementBuilder#getFirForNonKtFileElement should iterate a Psi file over and over
• KT-71224 Analysis API: FirElementFinder.collectDesignationPath relies on naive iteration through FIR files

Fixes

• KT-70327 Analysis API: Batch inspection causes deadlock in ValueWithPostCompute
• KT-69070 Analysis API: Querying declared member scope for Java symbols results in exception in some use cases
• KT-68268 LLSealedInheritorsProvider: reduce scope to kotlin files
• KT-69671 TYPES phase contract violation through JavaSymbolProvider
• KT-70624 Declaration symbols from code fragments are treated as not local
• KT-70662 NPE: FirLazyBodiesCalculatorKt.calculateLazyBodyForProperty
• KT-70859 Do not fail highlighting due to resolution problems
• KT-70474 FirLazyResolveContractViolationException from JavaSymbolProvider
• KT-70323 FirLazyResolveContractViolationException: lazyResolveToPhase(TYPES) cannot be called from a transformer with a phase TYPES
• KT-71567 LLFirCompilerRequiredAnnotationsTargetResolver should calculate annotation arguments on demand
• KT-71584 getNonLocalContainingOrThisDeclaration treats KtParameter from functional type as non-local

Analysis API. Light Classes

Performance Improvements

• KT-69998 Drop redundant cache from ClassInnerStuffCache

Fixes

• KT-69833 Support value classes
• KT-71693 Wrong name mangling for JvmField class property and companion property clash
• KT-71469 KtLightClassForDecompiledDeclaration: missed kotlinOrigin
• KT-70710 Provide light classes for KMP modules in Android Lint
• KT-70548 SLC: text of class object access expression is not the same as raw text
• KT-70572 SLC: missing isInheritor implementation for type parameter
• KT-70491 SLC: inconsistent source PSI of no-arg constructor for all default values
• KT-70458 SLC: missed auxiliaryOriginalElement for delegated property
• KT-70232 Support a companion object inside value classes
• KT-70349 @delegate:` annotations are missed for light class fields
• KT-68328 Move KtLightClassBase to ULC

Analysis API. Providers and Caches

• KT-65618 K2: resulted FirClass.psi != requested PsiClass from completion
• KT-69292 K2: Analysis API: A property's MUST_BE_INITIALIZED diagnostic is not updated after changing field usage in an accessor
• KT-71468 Drop redundant logic from LLFirJavaFacadeForBinaries
• KT-71700 Cache result of resolveToCall
• KT-71520 Analysis API: LLFirNativeForwardDeclarationsSymbolProvider spends a lot of time in indices

Analysis API. Standalone

• KT-65110 Analysis API: In Standalone mode the order of symbols is unstable

Analysis API. Stubs and Decompilation

• KT-71565 KtClassOrObject should use isLocal from greenStub

Analysis API. Surface

New Features

• KT-69960 resolveToCallCandidates should support operators
• KT-69961 resolveToCallCandidates should support properties

Performance Improvements

• KT-70529 KaSymbol: reduce the number of cached usages
• KT-70165 Introduce PSI-based KaSymbols for K2

Fixes

• KT-69371 Analysis API: expose only interfaces/abstract classes for the resolution API
• KT-69696 KaSymbolByFirBuilder should filter call-site substitutions
• KT-69679 KaDelegatedConstructorCall should have substituted signature
• KT-70206 anonymousSymbol API throws an exception for regular functions
• KT-69699 Receiver type is not substituted in the case of conflict declarations
• KT-69381 Analysis API: Investigate the viability of current KaSymbol caches
• KT-70199 K2: ConcurrentModificationException at FirCallCompleter$LambdaAnalyzerImpl.analyzeAndGetLambdaReturnArguments
• KT-70661 Invalid FirDeclarationOrigin ScriptTopLevelDestructuringDeclarationContainer
• KT-70663 KaFirDestructuringDeclarationSymbol: Failed requirement
• KT-63490 Analysis API: Accessing the Analysis API should be prohibited during dumb mode
• KT-63390 K2: Analysis API: add annotations to KtClassInitializerSymbol
• KT-55124 Design common ancestor for KtValueParameter and KtReceiverParameterSymbol
• KT-71731 directlyOverridenSymbols/allOverridenSymbols works incorrectly for intersection overrides

Apple Ecosystem

• KT-66262 Deprecate and remove support for bitcode embedding from the Kotlin Gradle plugin
• KT-66894 XCFramework task fails when name passed to xcframework DSL is different from framework's name
• KT-65675 XCFrameworkTask produces an xcframework with mismatched casing in embedded frameworks
• KT-69119 xcodeVersion task fails if Xcode isn't installed and apple-specific native targets aren't declared

Backend. Wasm

New Features

• KT-70786 Improve DX of the variable view during debugging in Chrome/Firefox for Kotlin/Wasm
• KT-70331 Support incremental compilation for the Wasm backend
• KT-71686 K/Wasm: Add functions to convert between Kotlin and JS array types
• KT-68185 [WasmJs] Attach js exception object to JsException

Fixes

• KT-71294 Wasm Artifacts/Resource are being loaded relatively instead of absolutely
• KT-71473 K/Wasm: Use --closed-world and related options for Binaryen
• KT-72297 [Wasm] Unused associated object class lead to compiler fail
• KT-72156 custom-formatters.js exists in JAR after publishToMavenLocal but not in the published artifact in Maven public
• KT-65799 K/Wasm: remove default exports from wasm exports
• KT-71800 Wasm compiler: Fix member generation for data classes with an array-type property
• KT-71580 String::toFloat on wasm behaves differently compared to other targets
• KT-71523 K/Wasm: cleanup after fix for KT-71474
• KT-71475 K/Wasm: KClass::qualifiedName returns incorrect result for nested or companion objects
• KT-71474 K/Wasm: KProperty*Impl equals work incorrectly for clabbale reference created in different files or modules
• KT-61130 K/Wasm: Function signatures may clash with base class internal methods from a friend module
• KT-70820 [Kotlin QG] wasm-validator fails when running compile[...]KotlinWasmJsOptimize
• KT-70819 [Kotlin QG] node.js fails when running wasmJs[...]Test KGP tasks
• KT-70394 Investigate increased wasm binary size after switching stdlib compilation to K2
• KT-69627 Remove create###Array functions from WASM stdlib
• KT-68509 Fatal: error validating input in compileProductionExecutableKotlinWasmJsOptimize

Compiler

New Features

• KT-71094 Kotlin/Native incremental compilation: fail compilation if cache build failed
• KT-21908 Support 'when' exhaustiveness checking for generic type parameter with sealed class upper bound
• KT-70679 Kotlin/Native: fill WritableTypeInfo from Swift Export type mapping
• KT-59798 Builder inference is not working when combined with let expression
• KT-54227 Cannot use nullable Nothing as reified type parameter
• KT-71430 Kotlin-to-Java direct actualization implementation
• KT-68163 Expose supplementary compiler warnings via CLI
• KT-69321 Swift export: enable auto-linkage of binary dependencies
• KT-11526 Improve diagnostics for "X overrides nothing"
• KT-49710 False positive NO_ELSE_IN_WHEN with nullable type as receiver
• KT-69729 Support calling super interface Java methods from Kotlin interface
• KT-69508 Improve "Public-API inline function cannot access non-public-API" check for the inline property accessors

Performance Improvements

• KT-71353 FP Kotlin performance degradation (around Cone types hierarchy changes)
• KT-71159 [K2] OOM on large enum classes with fields
• KT-69718 K2: Check for jvm nullability annotations in fir2ir is slow
• KT-68417 Native: LLVM 16 inliner is slow on K/N-produced modules
• KT-63971 K2: Redundant @ParameterName in abbreviated type in metadata

Fixes

• KT-71550 JVM IR: NPE on identity equals of boolean true with null
• KT-72214 -fpass-plugin (clangFlags) is not applied since Kotlin 2.0.20
• KT-68933 CompilationException: Back-end: Could not get inlined class
• KT-72255 Promote jspecify from warning to error
• KT-73065 CCE with context receivers
• KT-61033 K2: implement a diagnostic corresponding to K1's MISSING_BUILT_IN_DECLARATION
• KT-72345 K2: Method 'get' without @Override annotation not called
• KT-71260 K2: Internal compiler error in IrFakeOverrideSymbolBase.getOwner when there is no actual for expect
• KT-72996 false-positive unresolved reference error on an overloaded callable reference in a lambda return position on the left-hand size of an elvis operator
• KT-72552 AutoboxingTransformer fails on during linkage on nested lambdas with cinteroped types
• KT-71751 K2: Skipping code in last statement of lambda
• KT-71121 Kotlin/JS incremental compilation fails with KotlinIllegalArgumentExceptionWithAttachments
• KT-60521 Drop language versions 1.4 and 1.5
• KT-70461 K2: "Inline class types should have the same representation" caused by value class and smart check
• KT-72238 Argument type mismatch in builder inside extension function after ?:
• KT-70306 K2: Lambdas are unserializable: inferred from Java param ? super I
• KT-67383 Incorrect optimisation when optimising for loop with UByte
• KT-68653 Switch latest stable language version in Kotlin project to 2.1
• KT-71708 False negative UNSUPPORTED for collection literals as trailing return value
• KT-72281 K/N: "Failed to wait for cache to be built"
• KT-72017 Enum property reflection returning null KClassifier property for Enum classes defined inside Kotlin Scripts
• KT-69040 PCLA: deal with "deep" calls that can be fully analyzed properly
• KT-69920 K2: java.lang.IllegalArgumentException: FirNamedArgumentExpressionImpl.replaceConeTypeOrNull() during Space project compilation
• KT-69549 Try to move callable reference transformation earlier in pipeline
• KT-63944 Kotlin/Native: Cache flavor selection doesn't respect GC kind
• KT-71649 K2: Put operator on mutableMap<T?, V>() causes crashes on null key
• KT-70667 K2: "Type parameter * has inconsistent bounds" caused by wildcard and where-clause
• KT-70562 @SubclassOptInRequired cannot accept multiple experimental marker
• KT-69407 K2: Compiler crash (Shouldn't be here) due to unresolved reference in FirProjectionRelationChecker
• KT-71508 JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS isn't reported when java class is inherited from an effectively private class
• KT-72178 K2: "Unexpected FirPlaceholderProjectionImpl" exception when using "_" as key type in EnumMap
• KT-70407 Error/warning message for @SubclassOptInRequired-annotated class should provide more context
• KT-72302 K2: no error on type operator in annotation parameter default value
• KT-58820 OPT_IN_USAGE_ERROR's message text does not account for SubclassOptInRequired
• KT-71662 PCLA: a type variable is not fixed on demand to a type containing a not-fixed type variable
• KT-69739 K2: "KotlinIllegalArgumentExceptionWithAttachments: Unexpected FirPlaceholderProjectionImpl" caused by unresolved references
• KT-72154 Dokka fails with not array: KClass<out Annotation> on Kotlin 2.1.20-dev with @SubclassOptInRequired
• KT-70756 K2. Compiler crash with FileAnalysisException on incorrect symbol in nesting lambda
• KT-72173 K2: simple object names from root package are resolved without imports in non-root packages when used as values
• KT-71480 JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS isn't reported while java object isn't created
• KT-71034 Failing compiler/testData/codegen/box/inlineClasses/kt70461.kt
• KT-71016 K/Wasm: Failing compiler/testData/codegen/box/inlineClasses/kt70461.kt
• KT-52469 Deprecate reified type parameter instantiating into intersection types
• KT-71753 PCLA: false-negative operator ambiguity error on fixing a type variable on demand for an operator assignment
• KT-59871 K2: Fix introduced diagnostics
• KT-71563 'llegalStateException: Source classes should be created separately before referencing' when actualized through typealias and java direct actualization
• KT-64741 Avoid leaking ConeTypeVariable types in diagnostics from PCLA
• KT-60447 Builder inference fails to infer generic type argument from local class
• KT-69170 K2: "Unresolved reference" caused by generics and fun interfaces
• KT-71756 K2 evaluator: broken resolve of private members during debug of Kotlin project itself
• KT-68893 Invalid annotation in contract crashes with K2
• KT-71490 K2: missing REDUNDANT_ELSE_IN_WHEN
• KT-64403 Implement BlackBoxCodegenTestSpecGenerated for K2
• KT-71551 JVM IR K1: NPE on generating a function imported from an object from another module
• KT-71210 K2: false negative FUNCTION_CALL_EXPECTED / NESTED_CLASS_ACCESSED_VIA_INSTANCE_REFERENCE with companion objects
• KT-71528 K2/JVM: ClassCastException around Array<Nothing?>
• KT-71228 K2: "IllegalArgumentException: Failed requirement" caused by lambda parameter and class type
• KT-71738 K2: False negative REDECLARATION inside object expression
• KT-71701 K2: false positive CAN_BE_VAL with lateinit and non-in-place lambda
• KT-68694 K2 IDE / Kotlin Debugger: AE “Unresolved reference: <HIDDEN: samples/gen/classes/enum class/EnumClass.lam is invisible” on evaluating private lambda inside enum entry
• KT-70970 K2 IDE / Kotlin Debugger: AE “Only assignable IrValues can be set” on calling overloaded inc() operator on interface
• KT-70824 K2: NoSuchFieldException when evaluating private extension property
• KT-70390 K2 IDE / Kotlin Debugger: can't invoke lambda from private class during evaluation
• KT-68701 K2 IDE / Kotlin Debugger: AE “ERROR_CALL 'Unresolved reference: <HIDDEN: /privateLambda is invisible>#' type=IrErrorType(null)” on evaluating private top-level lambda
• KT-68695 K2 IDE / Kotlin Debugger: AE “Unsupported callable reference” on evaluating ::lateinitStr on private lateinit property
• KT-70861 K2 IDE / Kotlin Debugger: can't evaluate Clazz::class call for private class
• KT-34911 Improve error message for WRONG_ANNOTATION_TARGET: list applicable targets
• KT-71601 K2: When with a subject of type dynamic always considered exhaustive
• KT-33091 Kotlin/Native: Compiler crashes if an external class is declared
• KT-59651 K1/K2: Assertion error on external enum usage attempt
• KT-69939 Extract a category of internal FIR checkers from supplementary FIR checkers
• KT-70850 Pull down typeArguments from ConeKotlinType to ConeClassLikeType
• KT-71117 K2: "IllegalArgumentException: No type for StarProjection" with star projection and function type
• KT-71251 Native & JS K2: Missing check for calling isInitialized inside inline fun
• KT-70161 Native: extracting LLVM 16 on Linux makes the compiler print many "Ignoring unknown extended header keyword 'LIBARCHIVE.creationtime'" messages
• KT-71215 K2: UB due to the erroneous greening of the red code with multiple delegation with java
• KT-59386 K2: Missing CONSTANT_EXPECTED_TYPE_MISMATCH
• KT-69564 Make using -Xuse-k2 compiler flag an error
• KT-69756 TypeOfLowering: don't create constant object nodes before inlining
• KT-66328 K2: implement an error for KT-66324
• KT-71046 K/N: a separate lowering to convert function reference to IrConstantObject
• KT-69223 Drop parallel lowering mode in JVM backend
• KT-70260 @JsPlainObject: improve compiler error if a method is present
• KT-67739 Improve error message when JDK used in -Xjdk-release has corrupted class files
• KT-63964 K2: different naming of classes defined in script in metadata
• KT-70014 Common inference: introduce rigidTypeMarker
• KT-71352 Cannot load script definition class org.gradle.kotlin.dsl.KotlinProjectScriptTemplate
• KT-63502 Getting java.lang.ClassNotFoundException: javaslang.λ during compilation
• KT-66316 Kotlin/Native: make @Escapes annotation required for all external functions
• KT-69653 Prohibit exposing types via type parameters' bounds
• KT-68451 Inconsistent rules of CFA in enum initialization block
• KT-70893 K2: Bogus NO_COMPANION_OBJECT on resolve to private qualifier
• KT-70965 FIR/AA: Initializers for Java annotation arguments mapping capture use-site sessions
• KT-63945 K2: Prevent possible diagnostic loss
• KT-64453 K2: Implement ComposeLikeIr...TestGenerated for K2
• KT-30424 Confusing error message "modality is different"
• KT-70846 Replace ConeKotlinType.nullability with isMarkedNullable on specific types
• KT-56720 K2: false positive MANY_IMPL_MEMBER_NOT_IMPLEMENTED in case of delegation in diamond inheritance
• KT-69937 Define & enforce user-friendly terminology for extended checkers
• KT-64406 K2: Implement CompileKotlinAgainstJavaTestGenerated for K2
• KT-69938 Validate sets of default compiler warnings and supplementary compiler warnings
• KT-68971 Investigate suspicious fragmentation of FIR trees for string literals with interpolation
• KT-71073 Multi-dollar strings: parser grabs too much if backticks follow a short sequence of '$'
• KT-71213 Rethrow exceptions in checkers with some useful attachments
• KT-70395 K2: "Captured Type does not have a classifier" caused by out type and interface hierarchy
• KT-70133 K2: false negative UNINITIALIZED_VARIABLE when postponed lambda is created before initialization
• KT-70625 K2: ClassCastException caused by function reference, star projection and invariant type parameter
• KT-70835 K2: "TYPE_MISMATCH" caused by operator assignment
• KT-70366 K2: "KotlinIllegalArgumentExceptionWithAttachments: Failed to find functional supertype for class "
• KT-68834 Parentheses don't influence calls of any convention operators (except invoke operator) after safe navigation operator
• KT-70358 K2: "java.lang.IllegalArgumentException: No type for StarProjection" when using a star projection on a function type
• KT-69298 K2: "Initializer type mismatch" caused by elvis operator type inference for nullable typealias
• KT-71189 K2: emit 'DELEGATE_SPECIAL_FUNCTION_MISSING' and 'DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE' on 'by' keyword
• KT-71178 K2: False negative NO_ELSE_IN_WHEN in when over nullable type with !is Nothing? check
• KT-70812 False positive NO_ELSE_IN_WHEN with nullable type argument as subject
• KT-70947 False positive NO_ELSE_IN_WHEN with DNN subject and nullable sealed class upper bound
• KT-70752 Review diagnostics with whole declaration as range
• KT-71160 K2: Rendering of flexible collection types and arrays is too verbose
• KT-61227 Definitely non-nullable types cause "Any was expected" for @Nullable parameter
• KT-69389 K2: NONE_APPLICABLE instead of more useful "type mismatch" error with overloads and parameter nullability mismatch
• KT-69829 Missed UNRESOLVED_LABEL for label in returns and loops
• KT-61223 JDK 21: new addFirst/addLast and putFirst/putLast methods allow adding nullable value for non-null types
• KT-66742 Supertypes with inaccessible type arguments are allowed
• KT-62906 Type system: consider changing simple type & DNN type relation
• KT-70104 Update the error message for calling super Java interface methods case
• KT-69794 K2: Wrong target is reported for EXPOSED_SUPER_INTERFACE diagnostic
• KT-70724 False-positive UNINITIALIZED_VARIABLE for inline constructor with late-initialized variables
• KT-70749 False-positive UNINITIALIZED_VARIABLE for inline fun with crossinline modifier
• KT-65805 Migrate builtins serializer to K2
• KT-71004 FirSignatureEnhancement#enhance mutates attributes on the original function
• KT-70813 Questionable behavior for calls on ILT receivers
• KT-70208 'when' is not exhaustive for expect Boolean
• KT-69210 Native: tune LLVM optimization pipeline
• KT-70753 K2: Missing non-null assertion on the return value of try-catch block
• KT-70012 EXTENSION_SHADOWED_BY_MEMBER shouldn't be reported for actual declarations
• KT-70837 K2. "Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource" on incorrect call with extension fun
• KT-66751 Implement a general deprecation of types with inaccessible type arguments
• KT-68748 K2: Remove irFactory from Fir2IrComponents
• KT-61659 K2: Implement the EXTENSION_SHADOWED_BY_MEMBER warning
• KT-70709 Range for MUST_BE_INITIALIZED shouldn't include property annotations
• KT-63294 Do not use duplicated compiler argument names across the codebase
• KT-70673 False positive NO_ELSE_IN_WHEN with nullable Boolean as subject
• KT-70672 False positive NO_ELSE_IN_WHEN with nullable Enum as subject
• KT-69207 Native: use lld when the compiler produces binaries for a Linux target
• KT-67696 Native: compiler crashes when loading an LLVM bitcode file of unsupported version
• KT-69767 K2: Investigate differences in tests without alias behavior for cyclic expansion
• KT-70617 K2: ClassCastException caused by Java enum with overridden name property
• KT-68796 Non-first invoke operator calls break chained calls of convention operators after safe navigation operator
• KT-67772 K2: Metadata misses NoInfer annotation for unsafeCast result
• KT-70304 [FIR2IR] Missing @NoInfer
• KT-65085 K2: Get rid of special check for unresolved array literals on argument mapping phase
• KT-65066 K1 crashes, K2 doesn't report type mismatch on array literal inside nested annotation call
• KT-49235 Kotlin interface limited to 1000 super types
• KT-69991 K2/JVM: Backend crash with functional types and KFunctions
• KT-7461 Forbid using projection modifiers inside top-level Array in annotation's value parameter
• KT-52315 Legacy keywords (header, impl) break enum definitions
• KT-69499 Native: aggressive inline of runtime procedures causes compiler crash in debug builds
• KT-69737 Native: incompatible target-cpu attributes between runtime and Kotlin code
• KT-69911 Unexpected line numbers in default setter
• KT-61529 K2: Unexpected FirClassLikeSymbol null with -no-jdk
• KT-69475 K2: No "Name contains illegal characters" for package name with dots inside
• KT-69484 Native: remove default values for isObjectType
• KT-70352 K2: False-negative CONFLICTING_UPPER_BOUNDS on Nothing bound
• KT-59781 K2: investigate implicit cast generation in fir2ir vs psi2ir
• KT-70036 [FIR2IR] Fix param name in overridden setter
• KT-68718 [JVM] Generic function is instantiated with wrong type argument
• KT-67983 K2: False negative "Recursive type alias in expansion" at recursive typealiases
• KT-70328 K2: @UnsafeVariance stored in the metadata despite the Source retention
• KT-70313 K2: Don't add Any supertype to kotlin.Nothing compiled from sources
• KT-69982 K2: New errors when executing :kotlin-stdlib:jvmJar
• KT-70169 K2: implement a deprecation error for Synchronized, Throws, JvmField on annotation parameters
• KT-67651 K2: inconsistency in behavior for SAM constructor with flexible type
• KT-63857 K2: Extra operator modifier in metadata
• KT-70182 K2: Set up isOperator flag according to operator naming conventions during building synthetic overrides for Java methods
• KT-20798 Implement a deprecation warning for reified modifier on type parameters of type alias
• KT-68697 K2 IDE / Kotlin Debugger: NSEE “List is empty.” when method reference is used in some place in code
• KT-70157 K2: false positive JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS for a Java private class
• KT-68702 K2 IDE: AE “SyntheticAccessorLowering should not attempt to modify other files!” on evaluating of supermethods toString() and hashCode()
• KT-69509 K2 IDE / Kotlin Debugger: exception in lowering ReplaceKFunctionInvokeWithFunctionInvoke when compiling code fragment
• KT-66323 K2: Clarify contracts of ConeSubstitutorByMap
• KT-69652 K2: False positive "Redundant visibility modifier" with explicitApi()
• KT-65815 K2: False-positive NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY with inline function returning Nothing?
• KT-60508 K2/stdlib: compilation of common code fails if built-in types are provided as platform sources
• KT-70037 K2: Generate IR body for Any constructor despite that fact it's empty
• KT-69870 K2: False positive NO_VALUE_FOR_PARAMETER for override without default but base with default and with enabled KMP
• KT-69599 K2: Investiage and fix lots of UNRESOLVED_REFERENCE during building stdlib native with K2
• KT-68375 K2: FirPrimaryConstructorSuperTypeChecker fails on generated superclasses
• KT-58309 Deal with test failures inside FirTypeEnhancementTestGenerated
• KT-27112 Implement prohibition of exposing types via type parameters' bounds
• KT-69831 Add long FastJarFS tests to the nightlyFirCompilerTest configuration
• KT-69537 K2: Unintentional behavior caused by InferMoreImplicationsFromBooleanExpressions
• KT-59814 K2: Explore why FirDataFlowAnalyzer strips away value parameters of non top-level-functions
• KT-69069 K2: expect overloads are deprioritized in common code
• KT-69511 KJS / K2: False positive IMPLICIT_BOXING_IN_IDENTITY_EQUALS when comparing dynamic with primitive
• KT-69500 Native: introduce an option to inline less "ALWAYS_INLINE" runtime procedures
• KT-69717 K2: Don't call coneType/coneTypeOrNull extensions on FirResolvedTypeRef
• KT-60440 K2/Java: investigate constructor own type parameters enhancement
• KT-69871 K2 allows modifier keywords on package declaration
• KT-61271 Frontend: "The label does not denote a loop." error message is used even if the label does denote a loop
• KT-69768 K2: Investigate differences in tests without alias behavior with typealias to enum entry
• KT-63846 K2: incorrect type argument inferred for smart cast value of a generic type
• KT-69774 Don't report overload resolution ambiguity if extension receiver contains error type
• KT-61316 K2: Consider throwing exception when replaceType is called on special FirExpressions with immutable types
• KT-69201 Discard expect candidate in overload conflict resolver if there is no actual
• KT-69557 K2: Investigate failures with enabled assertion in ConeResolvedAtom constructor
• KT-69783 K2: Make FirTypeProjection sealed
• KT-68000 Investigate getting container functions in checkers
• KT-69649 K2: Cleanup various utilities about toSymbol conversion
• KT-69185 K2: Prepare a test runner for diagnostic tests with type aliases non-expanded automatically
• KT-69390 UNRESOLVED_REFERENCE on call with lambda argument turns whole call red
• KT-68794 K2 IDE / Kotlin Debugger: ISE “No real overrides for FUN FAKE_OVERRIDE name:privateFun visibility:private modality:FINAL” on calling private function from superclass in debugger
• KT-69315 FirJavaGenericVarianceViolationTypeChecker: StackOverflowError
• KT-49962 "Visibility inherited is not allowed in forVisibility" when analyzing broken file
• KT-24212 Report "This class shouldn't be used in Kotlin" on calling constructor of Java class with Kotlin analog
• KT-64195 K2: Consider make FirAnonymousInitializer. containingDeclarationSymbol not null
• KT-64254 "Projections are not allowed on type arguments of functions and properties": Type-project type arguments of properties
• KT-40533 Error message PROPERTY_WITH_NO_TYPE_NO_INITIALIZER for interface property is not fully correct
• KT-20014 Improve diagnostics for lateinit property without initializer and type annotation
• KT-51366 False positive error "Value class cannot extend classes" when extending generic interface with wrong number of type arguments
• KT-68277 K2: false positive UNREACHABLE_CODE for non-local return/break
• KT-69544 K2: Mapped Java @Target annotation's vararg argument has swapped type and elementType
• KT-68998 K2: Refactor postponed atoms
• KT-69288 Native: Apple LLVM 16 fork can't read bitcode with memory attribute produced by upstream LLVM 16
• KT-67808 K2: Inconsistent properties initialization analysis in init blocks in presence of smartcast on this
• KT-69035 K2: Investigate potential removal of FirMangler
• KT-69473 Missing suspend-conversion for lambda in the last statement of when with expected type
• KT-64640 Prevent mutating SequenceCollection methods from JDK 21 be available on read-only collections
• KT-65441 K1: Remove JDK 21 getFirst()/getLast() in (Mutable)List interfaces
• KT-54792 Store program order of properties inside @kotlin.Metadata
• KT-59832 K2: Fix the TODO about merging values for labels in UnusedChecker

Compose compiler

New features

• b/328817808 Added the PausableComposition feature flags
• 83c48a0 Decoy support for JS target is removed from Compose compiler

Fixes

• CMP-6926 iOS compilation failure: Unresolved reference 'copy'
• CMP-6842 FAKE_OVERRIDE declarations are not preserved in metadata and should not be marked with annotations
• CMP-6788 non-private field compilation warnings (stableprop & ComposableSingletons)
• CMP-6685 Native/WASM compilation failure on Composable function with value-type arg + return
• b/376058538 Fix stack overflow when inferring stability of indirect generic loop
• b/339322843 Transform @​Composable property delegate references
• b/366040842, b/365066530 Replace deep copy in Compose plugin with in-place type mutation
• b/329477544 Force open / overridden Composable functions to be non-restartable.
• b/361652128 Disable live literal transform if the corresponding flag is disabled
• b/325004814 [Compose] Fix infinite recursion in target analysis
• b/357878245 Disallow open @​Composable functions with default params to fix binary compatibility issues.
• b/338597078 [Compose] Fix target warning message
• b/351858979 Fix stability inferencing of interfaces on incremental compilation
• b/346821372 [Compose] Fix code generation for group optimization
• b/339311821 Give warning when stability configuration file is not found
• b/346821372 Fixes group generation for if statements when nonSkippingGroupOptimization is enabled.

IDE. Gradle Integration

• KT-48554 [Multiplatform Import] Ensure consistency between GradleImportProperties and PropertiesProvider

IR. Actualizer

• KT-71631 Kotlin-to-Java direct actualization: java annotation element isn't actualized
• KT-71597 Kotlin-to-Java direct actualization: it is possible to actualize a function with default parameters
• KT-71592 Kotlin-to-Java direct actualization: constructor of nested class can't be actualized
• KT-71577 Kotlin-to-Java direct actualization: method can be actualized by java static method
• KT-69632 K2: Expect actual mismatch on actualization with alias to expect class
• KT-71817 Actualization of static members is broken for non-JVM platforms

IR. Inlining

New Features

• KT-69527 Set the right visibility for synthetic accessors in SyntheticAccessorLowering

Fixes

• KT-71232 Implement an IR validation check that ensures that all IrFields are private on non-JVM backends
• KT-69307 Source offsets seem incorrect after IR inlining
• KT-72884 Internal error in body lowering: IllegalStateException: Can't inline given reference, it should've been lowered
• KT-71659 IR Inliner fails to inline function expressions due to implicit cast from the 1st phase of inlining
• KT-69681 IR: Report warnings on exposure of private types in non-private inline functions
• KT-72521 Kotlin/Native: java.lang.AssertionError: kfun:androidx.compose.runtime#access$<get-androidx_compose_runtime_ProvidedValue$stable>$p$tComposerKt(){}kotlin.Int
• KT-72623 Don't generate synthetic accessors in files other than the one being lowered
• KT-70420 Enable double-inlining in Native & JS backends by default
• KT-67292 Handling assertions before the IR inliner
• KT-70423 KLIB: SyntheticAccessorLowering - generate static factory functions instead of synthetic constructors
• KT-69565 Don't generate synthetic accessors for private symbols inside local classes
• KT-69787 Handle clashes of synthetic accessors generated for top-level callables
• KT-71137 Generate synthetic accessors for backing fields
• KT-67172 Native & JS: Introduce OuterThisInInlineFunctionsSpecialAccessorLowering
• KT-64865 Explicitly generate accessors for private declarations in inline functions
• KT-71657 K/JS: Double-inlining causes failures in IC with top-level synthetic accessors
• KT-71078 Inline all functions in local classes at the 1st stage of inlining
• KT-69802 Don't extract local classes from inline functions in double inlining mode
• KT-66508 IR inliner: Add implicit cast for initializer of temporary variables
• KT-66507 IR inliner: Enable implicit casts in all KLib backends
• KT-69466 IrInlinedFunctionBlock: Refactor it to make it possible to serialize in KLIBs
• KT-69317 IR Inlining. Try to place inlined arguments outside IrInlinedFunctionBlock
• KT-67149 Common Native/JS lowering prefix at the 2nd phase of compilation
• KT-69172 Implement double-inlining for Native
• KT-67304 Keep in common prefix: Shared variables + local classes in inline lambdas
• KT-67170 ArrayConstructorReferenceLowering is missing in Native
• KT-70583 Internal error in body lowering: java.lang.IllegalStateException: An attempt to generate an accessor after all accessors have been already added to their containers
• KT-69700 Inline stub_for_inlining use sites survive after the inliner
• KT-69462 Support dumping IR after inlining in compiler tests
• KT-70693 IR: replace IrReturnableBlock.inlineFucntion with IrInlinedFunctionBlock.inlineFucntion
• KT-70763 IR inline: consider storing stub_for_inline as an inlined function for callable reference
• KT-69168 Wrap assertion calls before IR inliner
• KT-69167 Create intrinsics in stdlib for handling assertions in KLIB-based backends
• KT-69169 Expand assertion intrinsics in backend based on CLI parameters
• KT-69174 Implement the basic Synthetic Accessors Lowering for KLIB-based backends

IR. Interpreter

• KT-70388 K2 IDE / Kotlin Debugger: InterpreterError “Unsupported number of arguments for invocation as builtin function: INT_MAX_POWER_OF_TWO” during evaluation

IR. Tree

Fixes

• KT-69644 Report warning on cross-file IrGetField operations generated by compiler plugins
• KT-68789 Prepare tests for testing visibility (non-)violation in inlined IR
• KT-71826 stdlib fails to compile with -Xserialize-ir=all
• KT-70333 IR: remove ability to apply compiler plugins during KAPT stub generation phase
• KT-67752 Make copyRemappedTypeArgumentsFrom and transformValueArguments methods in DeepCopyIrTreeWithSymbols protected instead of private
• KT-68151 Setup testing visibility of referenced declarations in IR
• KT-68988 [Tests] Streamline the order of irFiles in IR- and Kotlin-like dumps
• KT-65773 Auto generate IR implementation classes
• KT-70330 Automatically keep track of IrValueParameter.index
• KT-68495 Compile-time failure on bounded generic value used in a contains-check with range
• KT-68974 Validate scopes of IrValueParameters in IrValidator

JavaScript

New Features

• KT-70254 K/JS: Generate arrows in ES6 mode instead of anonymous functions
• KT-70283 KJS / ES6: Don't generate bind(this) calls for anonymous functions that capture this

Fixes

• KT-43567 KJS: toString() method and string interpolation of variable produce different code
• KT-70533 KJS: changed string concatenation behavior in 2.0
• KT-14013 JS toString produces different result for nullable/non-nullable ref to the same array
• KT-72732 KJS / ES6: "SyntaxError: 'super' keyword unexpected here" with enabled -Xir-generate-inline-anonymous-functions and disabled arrow functions
• KT-69408 [JS] Enable insertAdditionalImplicitCasts=true (as in other KLIB-based backends)
• KT-71821 K/JS tests are failing with coroutines flow and turbine on timeout
• KT-31799 Allow non-identifier characters in Kotlin/JS (backquoted properties, @JsName)
• KT-55869 Coroutine is not intercepted, when the coroutine is started calling startCoroutineUninterceptedOrReturn using callable reference
• KT-70117 Generate debug info for code from js call
• KT-69642 ES generator-based coroutines rely on eval
• KT-67452 K2: Consider hiding dynamic type creation under FlexibleTypeFactory for JS only
• KT-70226 Delete JS tests that were only run with the legacy JS backend
• KT-71338 K/JS: Add a flag for switching generating arrow functions on & off
• KT-69173 Implement double-inlining for JS
• KT-67327 JS: Remove error tolerance
• KT-69892 Array.isArray() returns false for an instance returned by KtList.asReadonlyArrayView()
• KT-70231 Delete the org.jetbrains.kotlin.cli.js.dce.K2JSDce class
• KT-69928 KJS: keys() and values() of KtMap's JS view don't behave as expected
• KT-70707 KJS: asJsReadonlyMapView does not implement ReadonlyMap correctly
• KT-71220 Fix invalid IrFunctionReference creation in InnerClassConstructorCallsLowering
• KT-70393 Investigate failing JS test after switch stdlib compilation to K2
• KT-64429 K2: Implement KlibJsIrTextTestCaseGenerated for K2
• KT-69587 [Tests] Fix multi-module deserialization in JS irText tests
• KT-70219 Delete the org.jetbrains.kotlin.cli.js.K2JSCompiler class
• KT-70221 Rename org.jetbrains.kotlin.cli.js.K2JsIrCompiler to K2JSCompiler
• KT-70229 Remove test classes related to the legacy JS backend
• KT-70359 Remove legacy backend-related test directives from Kotlin/JS tests
• KT-70362 Clean up Gradle tasks for running JS tests against the legacy JS backend
• KT-66181 Reorganize JsCodeOutliningLowering and keep it before the IR inliner
• KT-30016 JS BE does not generate special bridge methods
• KT-68975 KJS: Investigate calling js(...) from inline functions

KMM Plugin

• KT-71011 AS KMP plugin: ios application can't start for 2024.2.1

Klibs

New Features

• KT-64169 [KLIB Resolve] Don't skip libraries that happen to have the same unique_name
• KT-68322 Compiler (JS, Wasm): warn about incompatible Kotlin stdlib/compiler pair

Fixes

• KT-61098 [KLIB Resolve] Don't allow working with KLIB "repositories"
• KT-72965 Ignore subclassOptInRequired constructor warning
• KT-68792 Bump KLIB ABI version in 2.1
• KT-67474 K2: Missing @ExtensionFunctionType in metadata in KLIBs
• KT-71633 [2.1.0] Suspicious "Argument type mismatch" error
• KT-70146 [KLIB Resolve] Don't fail on nonexistent transitive dependency
• KT-71455 [KLIB Resolve] Forbid passing KLIB unique names via CLI
• KT-67448 [KLIB Resolve] Deprecate passing KLIB unique names via CLI
• KT-67450 [KLIB Resolve] Kotlin/Native: Only one implicit repository should remain for the compiler ("dist")
• KT-70285 Warning about incompatible stdlib (JS/Wasm) is not reported if stdlib is unpacked
• KT-66218 Clean-up the code for serialization & deserialization of DFGs to & from KLIBs
• KT-71414 KotlinLibraryResolver.resolveWithDependencies was evolved in binary incompatible way
• KT-68195 move KlibMetadataProtoBuf to frondend-independent module

Language Design

• KT-54617 Stabilize @SubclassOptInRequired: ability to require opt-in for interface implementation
• KT-54458 Preview of non-local break and continue
• KT-69924 Mention 'if' guard when '&&' is used incorrectly
• KT-71222 Remove @ExperimentalSubclassOptIn from SubclassOptInRequired
• KT-67675 Allow usage of Array<Nothing?>
• KT-70754 Changes in typeOf behaviour for Kotlin/Native
• KT-58659 Prohibit implementing a var property with an inherited val property

Libraries

Performance Improvements

• KT-66715 Performance: faster alternative to String.lines()

Fixes

• KT-71628 Review deprecations in stdlib for 2.1
• KT-69545 Kotlin/Native: Deprecate API marked with FreezingIsDeprecated to error
• KT-56076 K2: build Kotlin standard library
• KT-71660 Stabilize experimental API for 2.1
• KT-54299 Extract org.w3c declarations to separate library from K/Wasm Stdlib
• KT-68027 Document caveats and deincentivise usage of measureTimeMillis
• KT-71581 Update outdated documentation to common lazy and provide samples
• KT-71796 Improve documentation for Path.walk and Path.visitFileTree functions
• KT-68019 Fill in missing package descriptions for standard library documentation
• KT-52181 Native: Inconsistent behaviour of LinkedHashMap#entries on JVM and Native
• KT-71570 Document suspend lambda builder
• KT-65526 Rewrite builtins as expect-actual
• KT-68502 K2: Fix or suppress stdlib K2 warnings
• KT-68731 K2: Handle some formally incompatible expect/actual classes in JVM stdlib
• KT-70378 Implement custom serialization for Uuid
• KT-70005 K/Wasm and K/Native: IntArray.sort - array element access out of bounds
• KT-66764 kotlinx-benchmark: rework on kotlin-compiler-embeddable
• KT-69817 Set up klib binary API validation for stdlib
• KT-68396 Handle some formally incompatible top-level expects/actuals callables
• KT-69524 kotlin.uuid.Uuid: checkHyphenAt - error message always specified index 8
• KT-69327 [native] FloatingPointParser.initialParse works incorrectly for some inputs
• KT-46785 Get rid of !! after readLine() in the standard library

Native

• KT-71435 Native: cannot access class 'objcnames.classes.Protocol'
• KT-49279 Kotlin/Native: update LLVM from 11.1.0 to 16.0.0
• KT-61299 Native: patch LLVM to prevent it from using signal handlers incompatibly with JVM
• KT-69637 Native: our LLVM shouldn't advise submitting bugs to the upstream
• KT-64636 kotlin.incremental.native=true causes IrLinkageError
• KT-69142 ObsoleteWorkersApi and FreezingIsDeprecated is not displayed on targets in webdocs

Native. Build Infrastructure

• KT-71820 Update the coroutines version used in kotlin-native build infrastructure
• KT-69479 Native: remove custom python version building from the LLVM builder container image
• KT-63214 [K/N] llvm build script fails with MacOSX14.0.sdk sysroot

Native. ObjC Export

• KT-62997 IllegalStateException for hashCode(): KClass for Objective-C classes is not supported yet
• KT-59497 KClass.simpleName returns null in ObjC-inherited class

Native. Platform Libraries

• KT-70032 Rebuild platform libraries in 2.1.0 with Xcode 16
• KT-69448 LLVM 16 clang with Xcode 16 headers: 'sys/cdefs.h' file not found

Native. Runtime

• KT-70680 Kotlin/Native: Use WritableTypeInfo when creating Swift wrapper from the runtime
• KT-70568 Native: revert workaround for debug with LLVM 16
• KT-67730 Native: fix runtime compilation warnings after update to LLVM 16

Native. Runtime. Memory

• KT-72624 Native: testRelease_on_unattached_thread sometimes fails with Releasing StableRef with rc 0
• KT-71401 K/N: CMS barrier can be executed on an unregisterred thread
• KT-70364 Kotlin/Native: data race during GC initialization
• KT-68544 [Native] Implement heap dump tool
• KT-70365 Kotlin/Native: make thread id be pointer size

Native. Swift Export

New Features

• KT-71539 Swift Export: export class member overrides
• KT-70442 Swift Export: export class inheritance
• KT-68864 Refactor internal details of swift-export-standalone

Fixes

• KT-70678 Swift Export: generate Kotlin<->Swift type mapping
• KT-70920 Swift Export Nullability: primitive type
• KT-71087 Swift Export: Nullability: Never
• KT-71086 Swift Export: Nullability: Strings
• KT-70919 Swift Export Nullability: reference type
• KT-71026 Swift Export: function overloading with ref types does not work
• KT-70960 Swift Export nullability: add nullability to sir and printer
• KT-70063 Swift export generates invalid Swift code for class and function with the same name
• KT-70069 Swift export: filter out extension properties
• KT-70068 Swift export: nullable types are not marked as unsupported
• KT-69287 Swift Export: support leaking dependencies
• KT-69633 Provide interface for multiple module translation
• KT-69286 [Swift Export][TestInfra] Support translating multiple roots
• KT-69376 Property with Any type does not force addition of import

Reflection

• KT-71378 KotlinReflectionInternalError: Inconsistent number of parameters in the descriptor and Java reflection object

Specification

• KT-53427 Specify @SubclassOptInRequired

Tools. CLI

New Features

• KT-8087 Make it possible to suppress warnings globally in compiler (via command-line option)
• KT-71537 Add JVM target bytecode version 23

Fixes

• KT-70991 K2: Compilation fails if project version has a comma
• KT-70179 K2: Building a file with kotlin-test-junit without junit does not include annotations
• KT-72311 KotlinCliJavaFileManagerImpl caches empty result and broke repeated analyses
• KT-61745 K2: support light tree in multi-module chunk mode
• KT-70885 Errors are not reported for wrong arguments in -Xsuppress-warning flag for non-jvm backends
• KT-69541 K2: "IllegalArgumentException: Unexpected versionNeededToExtract" on using JAR packaged as ZIP64
• KT-69434 K2: Kotlin compiler JarFS can't handle large dependencies (>2GB)
• KT-70959 K2: Support legacy metadata jar format in K2 compiler
• KT-70337 Obsolete code is not removed after refactoring - JvmEnvironmentConfigurator.registerModuleDependencies
• KT-70322 Merge CLITool and CLICompiler classes

Tools. CLI. Native

• KT-68673 Kotlin/Native "You have not specified any compilation arguments. No output has been produced" when no source nor -Xinclude is passed

Tools. Compiler Plugins

Fixes

• KT-72804 Regression in Kotlin 2.1.0: compilation fails when building iOS
• KT-72824 Kotlin power-assert plugin StringIndexOutOfBoundsException
• KT-71658 Transform top-level atomic properties to Java boxed atomics
• KT-65645 Atomicfu-plugin: compilation hangs on a long string concatenation
• KT-69038 Power-Assert does not display const vals
• KT-71525 Setting JvmAbiConfigurationKeys.REMOVE_PRIVATE_CLASSES = true triggers java.util.ConcurrentModificationException
• KT-41888 IrExpression startOffset and endOffset are inconsistent with raw file text
• KT-69856 Compose Plugin: IrType.erasedUpperBound throws NullPointerException when evaluating IrScript nodes due to missing targetClass
• KT-69410 PowerAssert: Cannot find overload of requireNotNull without existing message
• KT-66293 Atomicfu-plugin: wrong return types for lowered extension functions
• KT-69646 PowerAssert: result of array access operator is unaligned
• KT-70112 Power Assert: multiline assertion support
• KT-70504 [atomicfu-plugin] Incremental compilation fails for atomic extensions on JVM
• KT-70351 K2 CodeGen API exception triggered by a compose compiler plugin lowering transformer for data class example
• KT-70113 Power Assert: tab support
• KT-69806 K2: SOE on nested plugin-like annotation in class annotated with itself
• KT-69538 jvm-abi-gen: Remove copy$default if data class constructor is private and ConsistentCopyVisibility is used

Tools. Compiler plugins. Serialization

• KT-70110 Prohibit @Serializable on companion object of another @Serializable class
• KT-69388 Serialization: "You should use ConeClassLookupTagWithFixedSymbol" caused by @Serializable on local generic class

Tools. Daemon

• KT-69929 compileKotlin task reports that daemon has terminated unexpectedly
• KT-72530 The daemon has terminated unexpectedly on startup attempt #​1 with error code: Unknown

Tools. Fleet. ObjC Export

Fixes

• KT-71162 ObjCExport: nullable functional type with reference arguments
• KT-71022 ObjCExport: enum c keywords translation
• KT-71082 ObjCExport: KotlinUnit translated as Function1
• KT-70781 ObjCExport: classifiers and callables type parameters translation
• KT-70943 ObjCExport: extension order
• KT-70840 ObjCExport: duplicated interfaces
• KT-70642 ObjCExport: translate collection type arguments as id
• KT-70546 ObjCExport: method generic parameter is lost and translated as id
• KT-70329 ObjCExport: translation and forward of super generic types
• KT-70263 ObjCExport: generic extension support
• KT-69685 ObjCExport: extension translated as not extension
• KT-70318 ObjCExport: translate companion type
• KT-69252 ObjCExport: Get rid of context receivers from ./native/objcexport-header-generator

Tools. Gradle

New Features

• KT-69940 Expose supplementary compiler warnings via KGP
• KT-71603 Introduce KotlinJvmExtension and KotlinAndroidExtension
• KT-70383 KotlinJvmFactory registerKaptGenerateStubsTask() function should also request compilation task provider
• KT-65125 Provide basic support for Swift Export in Kotlin Gradle Plugin
• KT-71602 Introduce KotlinTopLevelExtension
• KT-69927 Need ability to pass KotlinJvmCompilerOptions to registerKotlinJvmCompileTask()
• KT-71227 [Compose] Add PausableComposition feature flag to the Compose Gradle Plugin
• KT-68345 'composeCompiler#stabilityConfigurationFile' doesn't allow setting multiple stability configuration files

Performance Improvements

• KT-65285 Use uncompressed Klibs

Fixes

• KT-71411 Add FUS statistics for new Dokka tasks
• KT-72495 Warn about kotlin-compiler-embeddable loaded along KGP
• KT-70543 Gradle: create migration guide for those who are using Kotlin compiler classes indirectly available in buildscripts
• KT-69329 Compatibility with Gradle 8.9 release
• KT-71291 Log plugins from the list as Gradle plugins
• KT-69255 Deprecate KotlinCompilationOutput#resourcesDirProvider
• KT-61706 Gradle: remove kotlin-compiler-embeddable from build runtime dependencies
• KT-73128 Apply Kotlinlang template for partial HTMLs
• KT-47897 Official Kotlin Gradle plugin api
• KT-58858 Add KDoc documentation for Kotlin Gradle plugin API
• KT-73076 Kotlin Gradle Plugin API Reference: adjust settings
• KT-72387 KGP 2.1.0-RC-227 changes cause KSP to crash calling produceUnpackedKlib
• KT-53280 Gradle plugin leaks some compiler related extensions into API
• KT-69851 Compatibility with Gradle 8.10 release
• KT-65565 Remove deprecated common platform plugin id
• KT-69719 Bump minimal supported Gradle version to 7.6.3
• KT-69721 Bump minimal supported Android Gradle plugin version to 7.3.1
• KT-66944 Relax host requirements on Kotlin klib compilation
• KT-72651 Unable to use target for KotlinBaseApiPlugin.createKotlin(Jvm/Android)Extension()
• KT-72467 kotlin.sourceSets extension not added for KotlinBaseApiPlugin.createKotlinAndroidExtension()
• KT-72303 KGP 2.1.0-Beta2 broke compatibility with KSP
• KT-68596 Update KGP deprecations before 2.1
• KT-67951 Update Compose extension KDoc
• KT-66049 KGP JVM: Publishing isn't compatible with isolated projects and project dependencies
• KT-71405 Compose compiler gradle plugin: project.layout.file can't be used as a value of the 'stabilityConfigurationFiles' option
• KT-71948 KotlinJvmFactory : get rid of replaces with TODO()
• KT-72092 Gradle: use packed klib variant as the default when no packaging attribute is present
• KT-58956 Offer a shared interface for JVM and Android compilerOptions in Project extension
• KT-70251 Gradle: hide compiler symbols in KGP
• KT-70430 Clean-up obsolete Gradle plugin variants for Gradle versions <7.6
• KT-69853 Compile against Gradle API 8.10
• KT-69852 Run Gradle integration tests against Gradle 8.10 release
• KT-65990 Update GradleDeprecatedOption.level values for arguments removed from the DSL after 2.1
• KT-69331 Run tests against Gradle 8.9 release
• KT-69332 Compile against Gradle 8.9 API
• KT-67174 Cleanup old Test DSL
• KT-71071 BuildFusStatisticsIT.testInvalidFusReportDir test failes on Windows
• KT-69585 KGP / Composite Build: "Could not apply withXml() to generated POM" during publishing
• KT-59769 Many "Unexpected exception happened" warnings during build without internet connection

Tools. Gradle. Cocoapods

• KT-63811 cinterop fails to build klib for iosArm64 target when iOS simulator SDK isn't installed
• KT-70500 Remove useLibraries from CocoaPods plugin
• KT-56947 Replace AFNetworking with a smaller library in tests

Tools. Gradle. JS

• KT-69628 K/Wasm: Node.js version per project
• KT-71578 KotlinJS. Webpack does not recompile on changes with per-file
• KT-71536 [JS, Wasm] Stop collecting information about KLIB IC in Kotlin2JsCompile
• KT-70621 Move kotlin-test-js-runner out of Kotlin repository
• KT-67442 KJS / Gradle: kotlinStorePackageLock fails due to OS-dependent lockfile with npm package manager

Tools. Gradle. Multiplatform

New Features

• KT-70469 Add feature flag for Project Isolation and Kotlin Multiplatform
• KT-70897 Add KotlinBaseApiPlugin.kotlinAndroidExtension

Fixes

• KT-71206 KGP: Test source set may get duplicated KLIBs of different versions
• KT-71209 Drop Hierarchy Template diagnostic about used shortcuts
• KT-69412 Change KotlinTargetAlreadyDeclaredChecker's severity from warning to error
• KT-70060 KGP: handleHierarchicalStructureFlagsMigration doesn't support project isolation
• KT-57280 Expose Kotlin Project Structure metadata via consumable configurations instead of accessing all gradle projects directly
• KT-64999 Support Project Isolation with Kotlin Native tasks (XCode integration, Cocoapods etc)
• KT-64998 Granular Metadata Dependencies Transformation is not compatible with Project Isolation
• KT-70650 GenerateProjectStructureMetadata is not compatible with Project Isolation
• KT-71675 checkSandboxAndWriteProtection collides with Compose's syncComposeResources
• KT-66461 Promote compiler options DSL for multiplatform projects to stable
• KT-69323 Don't pass platform dependencies to metadata compilation
• KT-72454 Revert changes made in KT-69899 i.e. make kotlin.android.buildTypeAttribute.keep = false by default again
• KT-70380 KMM App failed to consume android binary lib
• KT-71423 Xcode archive missing dSYM files since Kotlin 2.0.20
• KT-69899 KMP: Publish BuildType by default for android publications with multiple variants
• KT-71428 Change deprecation message for KMP target shorcuts
• KT-58231 Kotlin Gradle Plugin: set deprecation level to Error for KotlinTarget.useDisambiguationClassifierAsSourceSetNamePrefix and overrideDisambiguationClassifierOnIdeImport
• KT-72068 Distribution for klib cross-compilation is not downloaded during compile tasks
• KT-70612 Report incompatibility warning when Project Isolation enabled and Included builds are used
• KT-71529 Deprecate targetFromPreset API with an error
• KT-69614 Deprecate with error ios/tvos/watchos presets
• KT-69974 KMP: POM dependency rewriter doesn't work with Included Builds OR dependencySubstitution
• KT-69472 Remove IncompatibleAgpVersionTooHighWarning diagnostic
• KT-64996 Commonize Native Distribution task is not compatible with Project Isolation
• KT-62911 Export Kotlin Multipaltform Project Coordinates as a secondary variant of apiMetadataElements
• KT-70888 Project isolation: Project cannot dynamically look up a property in the parent project at PropertiesProvider.propertiesWithPrefix
• KT-70688 Move ExperimentalSwiftExportDsl to another package
• KT-58298 AndroidAndJavaConsumeMppLibIT maintenance: Convert to new infrastructure and add test for newer AGP versions
• KT-68976 K2 IDE: Unresolved FileSystem.SYSTEM from OKIO in shared source sets

Tools. Gradle. Native

• KT-67162 KGP: Kotlin/Native with Isolated Projects: kotlinNativeBundleBuildService cannot be changed any futher
• KT-72366 KGP 2.1.0-Beta2 doesn't download kotlin-native-prebuilt when running Dokka
• KT-45559 CInteropProcess: Changes to header files are not recognized; Task is still UP-TO-DATE
• KT-71051 K/N dependencies are re-downloaded multiple times on Windows
• KT-71398 kotlinNativeBundleConfiguration should not contain dependencies on unsupported platforms
• KT-71722 kotlinNativeBundleConfiguration present in JVM-only Gradle project
• KT-55832 Support passing errors to Xcode when configuration cache is enabled
• KT-70690 not possible to build iOS app with Swift Export and Xcode 16
• KT-65838 Remove project usage from PlatformLibrariesGenerator
• KT-70875 KSP1 native tasks fail on configuration phase

Tools. Incremental Compile

• KT-69123 IC: "NoSuchFieldError: No instance field". Not tracking changes to Android ViewBinding class

Tools. JPS

• KT-68565 K2: IllegalStateException: Source classes should be created separately before referencing
• KT-71042 JAVA_MODULE_DOES_NOT_READ_UNNAMED_MODULE when compiling IntelliJ

Tools. Kapt

• KT-72249 K2 KAPT Not picking up use site annontation like K1 Kapt
• KT-69860 K2 kapt: use compiler directly instead of Analysis API
• KT-71776 K2 Kapt in 2.1.0-Beta1 fails with e: java.lang.IllegalStateException: FIR symbol "class org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol" is not supported in constant evaluation
• KT-70879 Kapt: check that Kotlin 2.1 language features are ignored correctly by K1 kapt
• KT-71431 K2KAPT fails on modules without any annotation processors
• KT-70600 K2 KAPT: inline reified function has a null signature
• KT-70718 Kapt: "error: could not load module " on error type in data class component
• KT-69861 Kapt: use IR to obtain line information instead of PSI

Tools. REPL

• KT-71109 Kotlin Scripting REPL doesn't support keyboard shortcuts

Tools. Scripts

• KT-68685 K2 / Script: "KotlinReflectionInternalError: Unresolved class:" caused by main.kts script with nested classes and reflection
• KT-68545 Using labeled this access to implicit receivers fails in scripts

Tools. Wasm

• KT-67797 Improve the variable view during debugging in Fleet for Kotlin/Wasm
• KT-71506 [Wasm, IC] FUS report for builds with incremental compilation
• KT-70100 wasmJs Target Fails to Compile on ARM64 Linux
• KT-70367 Update binaryen once we get a release with PR 6793
• KT-67863 K/Wasm: Remove ChromeWasmGc
• KT-71360 K/JS & K/Wasm: Upgrade NPM dependencies
• KT-70297 Wasm: Incorrect kotlinJsTestRunner version set in Multi-Project Builds with mixed kotlin-stdlibs

v2.0.21: Kotlin 2.0.21

Compare Source

Changelog

Apple Ecosystem

• KT-69093 Xcode 16 support in Kotlin

Backend. Native. Debug

• KT-71374 lldb: step out breaks breaking in Xcode 16

Compiler

Fixes

• KT-69735 K2: Static fields are missing from the declaration list of corresponding IrClass for java class
• KT-71122 Regression in Kotlin Compiler 2.0 causing NPE in the runtime
• KT-70931 K2 / Scripts: "cannot convert IrExpression to ConstantValue" when using function annotation
• KT-70584 K2: "IllegalStateException: flow for PostponedLambdaExitNode not initialized - traversing nodes in wrong order?"
• KT-70808 K2: "node has already been visited" with anonymous object in dead code
• KT-69985 K2: Classifier declarations from root package are resolved without imports in non-root packages
• KT-70683 K2: Internal compiler error in IrFakeOverrideSymbolBase.getOwner
• KT-70901 False positive Public-API inline function cannot access non-public-API property accessor
• KT-70930 K2: Java annotations not present on ENUM_ENTRY IR elements
• KT-70194 K2 IDE: exception on a very red file
• KT-69399 Native: IllegalStateException: "Failed to build cache"

Compose compiler

Fixes

• b/329477544 Force open / overridden Composable functions to be non-restartable.
• b/361652128 Disable live literal transform if the corresponding flag is disabled

IR. Actualizer

• KT-70894 IR crash. Unprocessed IrFunctionFakeOverrideSymbol when actualize to Java

IR. Tree

• KT-71191 SymbolTable: Check if the provided signature is public before adding a symbol to the SymbolTable

Native. Build Infrastructure

• KT-71485 K/N runtime parts don't build due to _Float16 issues on x86_64 macOS

Native. C Export

• KT-69507 LLVM 11 clang with Xcode 16 headers: standard c++ headers

Native. C and ObjC Import

• KT-71029 Investigate why stdarg.h declarations leak into testModuleA

Native. Platform Libraries

• KT-70566 LLVM 11 clang with Xcode 16 headers: 'sys/cdefs.h' file not found
• KT-71624 Eliminate remaining UIKit/AppKit removed signatures
• KT-70031 Rebuild platform libraries in 2.0.21 with Xcode 16

Native. Testing

• KT-70603 C++ with -fmodules: cyclic dependency in module 'std': std -> _wctype -> __wctype -> std in dev llvm toolchains

Tools. CLI. Native

• KT-71262 KotlinNativeLink tasks fetching from network despite -Xoverride-konan-properties=dependenciesUrl= being set

Tools. Compiler Plugins

• KT-71038 PowerAssert: Constant on RHS of elvis operator leads to compiler crash

Tools. Daemon

• KT-35381 Get rid of the native-platform usage in kotlin compiler

Tools. Gradle. Multiplatform

• KT-71444 Certain POMs produced by Kotlin 2.0.20 cannot be consumed by KMP projects with Android targets
• KT-70700 Gradle 8.10: The value for task ':commonizeNativeDistribution' property 'kotlinNativeBundleBuildService' cannot be changed any further
• KT-71396 Gradle client side JVM explodes with OOM due to xcodebuild logs

Tools. Gradle. Native

• KT-71419 Light bundle KGP IT run against a stable K/N version

Tools. JPS

• KT-71450 Constant build failure: com.intellij.util.io.ClosedStorageException: storage is already closed

v2.0.20: Kotlin 2.0.20

Compare Source

Changelog

Analysis. API

New Features

• KT-68143 Analysis API: support KtWhenConditionInRange call resolution

Performance Improvements

• KT-67195 K2: do not call redundant resolve on body resolution phase for classes

Fixes

• KT-67360 Analysis API: KtDestructuringDeclarationSymbol#entries shouldn't be KtLocalVariableSymbol
• KT-67748 K2: AllCandidatesResolver modifies the original FirDelegatedConstructorCall
• KT-68198 Analysis API: Support application service registration in plugin XMLs
• KT-62936 Analysis API: NativeForwardDeclarationsSymbolProvider is not supported for Kotlin/Native
• KT-68689 LL API: support analysis from builtins module
• KT-69630 KAPT User project builds with KAPT4 enabled fail with Metaspace overflow
• KT-65417 K2 IDE: KTOR false positive expect-actual matching error on enum class because of implicit clone() in non-JVM source sets
• KT-68882 Analysis API: Refactor KaSymbols
• KT-65413 K2 IDE: KTOR unresolved serializer() call for @Serializable class in common code
• KT-67996 Analysis API: rename Kt prefix to Ka
• KT-67775 Analysis API: expose only interfaces/abstract classes for the user surface
• KT-68009 K2: lowering transformers of Compose compiler plugin access AbstractFir2IrLazyFunction modality, which results in null point exception
• KT-68918 collectCallCandidates works incorrectly for parenthesis invoke
• KT-68462 Analysis API: Integrate project-structure module into analysis-api and analysis-api-platform-interface
• KT-69131 AA: "provideDelegate" operator is not resolved from the delegation reference in FIR implementation
• KT-69055 Analysis API: Stabilize KaScopes
• KT-66216 K2 IDE. "FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtProperty, fir is null" on incorrect string template
• KT-68959 Introduce KaSeverity
• KT-53669 Analysis API: redesign KtSymbolOrigin to distinguish kotlin/java source/library declarations
• KT-68846 Mark KaFirReference and all implementations with internal modifier
• KT-68845 Move KaSymbolBasedReference to resolution package
• KT-68844 Move KaTypeProjection to types package
• KT-65849 K2: Rename 'high-level-api' family of JARs to 'analysis-api'
• KT-62540 Remove uses of TypeInfo.fromString and TypeInfo.createTypeText from Kotlin plugin
• KT-62889 K2 IDE. FP MISSING_DEPENDENCY_CLASS on not available type alias with available underlying type
• KT-68155 Analysis API: Add PSI validity check to analyze
• KT-62343 Analysis API: fix binary incopatibility problems cause by KtAnalysisSessionProvider.analyze being inline
• KT-68498 To get reference symbol the one should be KtSymbolBasedReference
• KT-68393 Analysis API: Rename KaClassLikeSymbol. classIdIfNonLocal to classId
• KT-62924 Analysis API: rename KtCallableSymbol.callableIdIfNonLocal -> callableId
• KT-66712 K2 IDE. SOE on settings string template for string variable with the same name
• KT-65892 K2: "We should be able to find a symbol" for findNonLocalFunction
• KT-68273 AA: support KtFirKDocReference#isReferenceToImportAlias
• KT-68272 AA: KtFirReference.isReferenceToImportAlias doesn't work for references on constructor
• KT-66996 Analysis API: Expose the abbreviated type of an expanded KtType
• KT-66646 K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl from FirJsHelpersKt.isExportedObject
• KT-68203 K2: Analysis API: wrong type of receiver value in case of imported object member
• KT-68031 LL resolve crash in case of PCLA inference with local object
• KT-67851 K2: PsiReference#isReferenceTo always returns false for references to Java getters
• KT-68076 AA: use type code fragments for import alias detection
• KT-65915 K2: Analysis API: extract services registration into xml file
• KT-68049 Analysis API: do not expose imported symbols
• KT-68075 K2: Analysis API: Type arguments for delegation constructor to java constructor with type parameters not supported
• KT-65190 AA: reference to the super type is not resolved
• KT-68070 AA: KtExpressionInfoProvider#isUsedAsExpression doesn't work for KtPropertyDelegate
• KT-67743 K2: Stubs & AbbreviatedTypeAttribute
• KT-67706 K2: "KtDotQualifiedExpression is not a subtype of class KtNamedDeclaration" from UnusedChecker
• KT-68021 Analysis API: do not break the diagnostic collection in a case of exception from some collector
• KT-67973 AA FIR: wrong KtCall modeling for == from type bound
• KT-67949 AA: Type arguments of Java methods' calls are not reported as used by KtFirImportOptimizer
• KT-67988 AA: functional type at receiver position should be wrapped in parenthesis
• KT-66536 Analysis API: ContextCollector doesn't provide implicit receivers from FirExpressionResolutionExtension
• KT-67321 AA: Type arguments of Java methods' calls are not resolved
• KT-64158 K2: "KotlinIllegalArgumentExceptionWithAttachments: No fir element was found for KtParameter"
• KT-60344 K2 IDE. "KotlinExceptionWithAttachments: expect createKtCall to succeed for resolvable case with callable symbol" on attempt to assign value to param named getParam
• KT-64599 K2: "expect createKtCall to succeed for resolvable case with callable" for unfinished if statement
• KT-60330 K2 IDE. ".KotlinExceptionWithAttachments: expect createKtCall to succeed for resolvable case with callable symbol" on attempt to assign or compare true with something
• KT-66672 K2 IDE. False positive INVISIBLE_REFERENCE on accessing private subclass as type argument in parent class declaration
• KT-67750 Analysis API: Remove infix modifiers from type equality and subtyping functions
• KT-67655 Analysis API: declare a rule how to deal with parameters in KtLifetimeOwner
• KT-61775 Analysis API: KtKClassAnnotationValue lacks complete type information
• KT-67168 K2: Analysis API: Rendering is broken for JSR-305 enhanced Java types
• KT-66689 Analysis API: KtFirPackageScope shouldn't rely on KotlinDeclarationProvider for binary dependencies in standalone mode
• KT-60483 Analysis API: add isTailrec property to KtFunctionSymbol
• KT-67472 K2: Analysis API FIR: KtFunctionCall misses argument with desugared expressions
• KT-65759 Analysis API: Avoid hard references to LLFirSession in session validity trackers
• KT-60272 K2: Implement active invalidation of KtAnalysisSessions
• KT-66765 K2: Analysis API: support classpath substitution with library dependencies in super type transformer
• KT-67265 K2: status phase should resolve original declarations in the case of classpath subsitution
• KT-67244 K2: StackOverflowError in the case of cyclic type hierarchy and library classpath substitution
• KT-67080 K2: clearer contract for lazyResolveToPhaseWithCallableMembers
• KT-66713 K2 FIR: Expose a way to get the module name used for name mangling
• KT-61892 KtType#asPsiType could provide nullability annotations
• KT-66122 Analysis API: Pass KtTestModule instead of TestModule to tests based on AbstractAnalysisApiBasedTest

Analysis. Light Classes

• KT-65714 K2: IDE K2: "org.jetbrains.kotlin.analysis.api.fir.symbols.pointers.KtFirClassLikeSymbolPointer pointer already disposed"
• KT-65835 SymbolLightClassForClassLike.getName returns null for a companion object instead of Companion
• KT-68261 SLC: Constructors of sealed classes should be private
• KT-68696 Drop DecompiledPsiDeclarationProvider-related stuff
• KT-68404 SLC: wrong binary resolution to declaration with @JvmName
• KT-68275 LC: no arg constructor is not visible in light classes
• KT-66687 Symbol Light Classes: Duplicate field names for classes with companion objects
• KT-66804 Symbol Light Classes: Fields from the parent interface's companion are added to DefaultImpls

Apple Ecosystem

• KT-65542 Cinterop tasks fails if Xcode 15.3 is used

Backend. Native. Debug

• KT-67567 Native: after updating to LLVM 16 lldb hangs when smooth stepping

Backend. Wasm

• KT-70591 To much sources that don't exist inside SourceMap file
• KT-69529 compileProductionExecutableKotlinWasmJs FAILED: No such value argument slot in IrConstructorCallImpl: 1 (total=1)
• KT-68088 Wasm: "UNREACHABLE executed at Precompute.cpp:838" running gradle task wasmJsBrowserDistribution for compose multiplatform on Windows
• KT-65798 K/Wasm: make an error on default export usage
• KT-68828 Wasm test failure. expect-actual. private constructor in expect
• KT-68453 K/Wasm: "Supported JS engine not detected" in Web Worker
• KT-64565 Kotlin/wasm removeEventListener function did not remove the event listener
• KT-65322 [Wasm] Clean-up bootstrap code
• KT-66099 Wasm: local.get of type f64 has to be in the same reference type hierarchy as (ref 686) @​+237036
• KT-63230 [WASM] println(null) prints 'ul'

Compiler

New Features

• KT-58310 Consider non-functional type constraints for type variable which is an expected type for lambda argument
• KT-68969 Consider implementing general "redundant interpolation prefix" warning
• KT-57872 Improve "Public-API inline function cannot access non-public-API" check
• KT-68165 Native: type checks on generic types boundary
• KT-67611 Implement improved handling of $ in literals
• KT-67787 Implement guard conditions for when-with-subject
• KT-39868 Allow access to protected consts and fields from a super companion object
• KT-66169 useContents lacks a contract
• KT-67767 Introduce an ability to enforce explicit return types for public declarations without enabling Explicit API mode
• KT-65841 Allow to actualize expect types in kotlin stdlib to builtins in JVM
• KT-53834 Support for JSpecify @NullUnmarked

Performance Improvements

• KT-69995 K2: Slow compilation when star projecting mutually recursive bounds from java
• KT-69723 K2: code analysis taking too long
• KT-69898 K2: Performance degradation in fir2ir caused by changes around intersection types
• KT-68034 Devirtualization analysis fails to devirtualize string.get

Fixes

• KT-67102 IR Evaluator: NoSuchFieldException when accessing a private delegated property
• KT-35305 "Overload resolution ambiguity" on function for unsigned types (UByte, UShort, UInt, ULong)
• KT-69211 K2: java.lang.IllegalArgumentException: Failed requirement
• KT-68874 Types with different captured types as type arguments are rendered incorrectly
• KT-66086 K/N: Unchecked illegal cast is not thrown
• KT-70186 Kotlin 2.0.20-Beta2: Unexpected number of type arguments: 0
• KT-68889 K2: type variable should not be fixed
• KT-69835 K2 / Native: kotlin.native.binary.gc=cms throws library cached but its dependency isn't error
• KT-70417 DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE leads to NPE in BE
• KT-69964 K2: Returning from an in-place lambda doesn't compile
• KT-69773 K2: "Overload resolution ambiguity between candidate" with arrays
• KT-60261 K2: No origin is set for composite assignment operators
• KT-15388 Forbid delegated property to have external getter/setter
• KT-70238 K2: false negative VOLATILE_ON_VALUE for constructor properties
• KT-68669 K2: Generate inherited delegated members after actualization
• KT-63828 K2: Missing signature metadata for accessors of properties inherited from delegate
• KT-63871 K2: different value of isNotDefault flag for property inherited from delegate
• KT-67119 Migration warning from context receivers to context parameters
• KT-68997 K2: "No accessor found" for an inline value class when query the value of a delegated class by reflection
• KT-64106 Native: the compiler allows using -opt and -g at the same time
• KT-69766 K2: False negative: Internal setter of generic class is accessible from another module
• KT-68364 JVM: ISE "Bad exception handler end" on a non-local break/continue inside try with finally
• KT-69494 StackOverflowError in CfgTraverserKt.getPreviousCfgNodes
• KT-56880 K2. Conflicting overloads for main() isn't shown when language version is set to 2.0
• KT-69282 K2: equality of unsigned types with nullability works incorrectly
• KT-68492 JVM IR backend: IDE / Kotlin Debugger: AE “Non-reified type parameter under ::class should be rejected by type checker” on evaluating private generic function
• KT-70039 K2: inconsistent stability of vals of captured receivers
• KT-44139 Don't report overload resolution ambiguities if arguments contain an error type
• KT-68996 K2: "Not enough information to infer type argument" caused by typealias annotation with fixed generic argument
• KT-55851 K2: reference to a field from package private class crashes in runtime
• KT-65038 K2: Type alias from indirect dependency causes MISSING_DEPENDENCY_CLASS error
• KT-61875 Native: remove support for bitcode embedding
• KT-67693 Implement checkers for K1 compiler which will check the usage of K2 new features and report that they are not supported in K1 compiler
• KT-68556 K2: false negative PROPERTY_WITH_NO_TYPE_NO_INITIALIZER on uninitialized property without type
• KT-60445 K2/Java: investigate possible symbol clash while enhancing Java class type parameter bounds
• KT-64193 K2: No smartcast with two boolean expressions in a row
• KT-65546 K2. implement extended checker for unused anonymous parameter in lambda
• KT-68358 @EnhancedNullability is missing on value parameter type after inheritance by delegation with strict JSpecify enabled
• KT-67791 False negative "Synchronizing by Meters is forbidden" with inline value classes
• KT-69495 k2: inconsistent output of unsigned number in string templates
• KT-69619 K2. JAVA_TYPE_MISMATCH when Kotlin out generic type used in Java
• KT-69563 trying to call .source on FirPackageFragmentDescriptor results in exception
• KT-69611 Internal annotation FlexibleArrayElementVariance is written to output jar
• KT-69463 K2: false negative SUPER_CALL_WITH_DEFAULT_PARAMETERS with expect/actual declarations
• KT-68724 K2: "ABSTRACT_MEMBER_NOT_IMPLEMENTED" caused by open modifier on interface
• KT-69182 K2: OptIn on enum companion blocks enum constants
• KT-69191 K2: "Unresolved reference" caused by nested data objects
• KT-69569 Wrong paths when one type has multiple annotated arguments
• KT-55128 Wrong type path in type annotations when type arguments are compiled to wildcards
• KT-67692 Native: support LLVM opaque pointers in the compiler
• KT-69402 FirSupertypeResolverVisitor: ConcurrentModificationException
• KT-69062 K1: false-negative "unsupported feature" error on multi-dollar interpolation
• KT-68967 Consider demoting warnings about multi-dollar interpolation to IJ inspections
• KT-68957 False-negative diagnostics about multi-dollar interpolation on string literals without interpolation
• KT-69476 False negative NO_ELSE_IN_WHEN on when over intersection type with expect enum/sealed class
• KT-67069 K2: Delegated member calls interface method instead of fake override
• KT-63864 K2: Missing abbreviated type in metadata
• KT-59833 K2: Stop modifying values of enum entries
• KT-69421 K2: Resolve changed from delegated function to java default function
• KT-69392 K2: "UNSAFE_CALL": when with some variable subjects does not smartcast the variable
• KT-69053 K2: Unsupported intersection overrides for fields
• KT-69227 K2: "Argument type mismatch" caused by generic typealias and upper bound
• KT-31371 NOT_YET_SUPPORTED_IN_INLINE: incorrect error message for local inline function
• KT-49473 PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR: specialize error message for 'inline' property
• KT-49474 NON_PUBLIC_CALL_FROM_PUBLIC_INLINE: specialize error message for 'inline' property
• KT-49503 SUPER_CALL_FROM_PUBLIC_INLINE_ERROR: specialize error message for 'inline' property
• KT-11302 On inapplicable '@JvmStatic' annotation, highlight only the annotation, not the function signature
• KT-59510 K2: do not render annotations in the deprecation diagnostic
• KT-68532 "This code uses error suppression for 'INAPPLICABLE_JVM_NAME'. While it might compile and work, the compiler behavior is UNSPECIFIED and WON'T BE PRESERVED"
• KT-68859 K2: unable to suppress only "JAVA_MODULE_DOES_NOT_EXPORT_PACKAGE"
• KT-68469 [K2] MISSING_DEPENDENCY_CLASS caused by redundant @file:JvmName
• KT-68999 K2: Unify the style of FIR generator with IR and SIR tree-generators
• KT-66061 Kotlin/Native - building shared module for iOS - Argument list too long
• KT-49420 Suspicious behaviour of frontend in case of DefinitelyNotNull type overload
• KT-59752 K2: "Conflicting overloads" if function with same signature added to different contexts
• KT-68618 K1: Unresolved reference for qualified this in implicit type
• KT-25341 NOT_YET_SUPPORTED_IN_INLINE reported over anonymous object border
• KT-69215 K2: IllegalArgumentException for delegated function in anonymous object with captured type parameters
• KT-69044 Destructuring declaration shouldn't be possible in declaration in when
• KT-69028 K2: FirJvmActualizingBuiltinSymbolProvider returns null on builtins declarations if common source-set is not presented
• KT-15704 Rethink usage of term "type annotation" in error messages
• KT-68970 K2. Argument type mismatch caused by out projection in inferred type from if - else
• KT-68800 K2: Delete ConeAttributes.plus method
• KT-59389 K2: Missing AMBIGUOUS_LABEL
• KT-68803 K2: Smart cast fails with "Unresolved reference" when @Suppress("UNCHECKED_CAST") used in statement
• KT-68968 K2: Missing ILLEGAL_SUSPEND_FUNCTION_CALL diagnostic in initialization code of a local class inside suspend function
• KT-68336 K2 does not seem to pass the right constructor arguments to custom scripts
• KT-68517 "IrSimpleFunctionSymbolImpl is unbound" for actual class containing non-actual functions
• KT-59678 K2: Investigate ConeKotlinType.unCapture()
• KT-69027 K2: Initialize FirStdlibBuiltinSyntheticFunctionInterfaceProvider in library session
• KT-62818 K2: improve VAR_OVERRIDDEN_BY_VAL diagnostic message
• KT-68214 Rename TypeApproximatorConfiguration properties for clarity
• KT-68093 Implement deprecation of smartcasts on class-delegated properties
• KT-67270 Native: report more performance metrics from the compiler
• KT-68621 DATA_CLASS_INVISIBLE_COPY_USAGE false negative for inline fun
• KT-68568 K2: False-positive ACCIDENTAL_OVERRIDE caused by missing dependency class
• KT-66723 K2: NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS for actual typealias that extends to Java class with complicated hierarchy that includes default method
• KT-69000 Can't render constructor of intersection type
• KT-68849 K2: "ClassCastException: cannot be cast to kotlin.jvm.functions.Function2" caused by passing lambda to SAM constructor results
• KT-61744 Native: -Xsave-llvm-ir-after fails to check errors from LLVMPrintModuleToFile
• KT-67103 Support AbbreviatedTypeAttribute for aliased types from the source code
• KT-63921 K2: different representation of recursive type aliases
• KT-68679 K2: "Override has incorrect nullability in its signature compared to the overridden declaration" caused by subclass of Android HashMap
• KT-64335 K2: improve rendering of captured types in diagnostic messages
• KT-68820 K2: "Unresolved reference" on calling function with "contract" name
• KT-67933 K2: no conversion between fun interfaces if target has suspend
• KT-68230 K2: FirMissingDependencyClassChecker: Not supported: ConeFlexibleType
• KT-68531 K2: False-negative error on assignment to enum entry
• KT-68446 K2: compile-time failure on smart-casted generic value used as a when-subject in a contains-check with range
• KT-68678 K2: Drop using FirBuiltinSymbolProvider while compiling JVM stdlib
• KT-68382 Get rid of context receivers in FirScript implementation
• KT-68585 Implement new rules for CFA about enum entries
• KT-68110 K2: "Java type mismatch" caused by spring.Nullable
• KT-68613 K2: False positive CONFLICTING_PROJECTION after fixing KT-67764
• KT-67764 K2: False negative: Projection problem is not reported in is expression
• KT-67887 Expection on assigning to private field of value type
• KT-67801 NSME on evaluating private member function with value class parameter
• KT-67800 NSME on evaluating private top-level function with value class parameter
• KT-68542 K2: Fix referecing to @ExtensionFunctionType if it's declared in source
• KT-68188 K2: Properly support FunctionN creation for stdlib compilation
• KT-67946 K2: Crash on red code: Instead use FirErrorTypeRef for ERROR CLASS: Cannot infer argument for type parameter T
• KT-68526 K2: false-negative inconsistent data class copy visibility warning on call to generic data class copy function
• KT-68528 K2: false-positive inconsistent data class copy visibility warning on call to function from another module with identical value parameter types and return type
• KT-68525 K2: false-negative inconsistent data class copy visibility warning on callable reference to data class copy function
• KT-68617 K2: Secondary constructors in a sealed class have private visibility instead of protected in the generated IR
• KT-63920 K2: Private secondary sealed class constructor is private in metadata, but protected in K1
• KT-57996 Usages of Foo @Nullable []produce only warnings even with-Xtype-enhancement-improvements-strict-mode -Xjspecify-annotations=strict`
• KT-68207 K2: Investigate if losing ConeIntersectionType.upperBoundForApproximation during approximation leads to any issues
• KT-64990 K2: Remove usages of SymbolTable from FIR2IR
• KT-67798 NSME on assigning to private delegated property of value class
• KT-68264 K2: confusing INVISIBLE_* error when typealias is involved
• KT-68529 K2: false-negative redundant annotation warning on @ExposedCopyVisibility on data class with public constructor
• KT-67943 Approximation should not generate types with UPPER_BOUND_VIOLATION errors
• KT-67503 K2: False negative "Type Expected" when attempting to annotate a wildcard type argument
• KT-68187 K2: Create IrBuiltins in fir2ir only after IR actualization
• KT-66443 K2: ArrayIterationHandler doesn't work if UIntArray declared in sources
• KT-68291 K2 / Contracts: Non-existent invocation kind is suggested as a fix
• KT-68209 K2: Strange import suggestion when lambda body contains invalid code
• KT-67368 "NullPointerException: Parameter specified as non-null is null" local lambda creates new not-null checks with 2.0.0-Beta5
• KT-51433 FE 1.0: implement warnings about label resolve changes
• KT-66554 K2. Drop FIR based fake-override generator from fir2ir
• KT-64202 K2: Drop old methods for calculation of overridden symbols for lazy declarations
• KT-67895 K2: Properly implement generation of fake-overrides for fields
• KT-54496 K2: REDUNDANT_MODALITY_MODIFIER diagnostic disregards compiler plugins
• KT-63745 K2: Approximation of DNN with nullability warning attribute leads to attribute incorrectly becoming not-null
• KT-63362 AbstractTypeApproximator fixes only first local type in hierarchy
• KT-67769 K2: "variable must be initialized" on unreachable access in constructor
• KT-51195 FIR IC: Incremental compilation fails with @PublishedApi property
• KT-67966 No JVM type annotation is generated on a class supertype
• KT-46640 Generate JVM type annotations on wildcard bounds
• KT-67952 Annotations on type parameters are not generated for parameters other than the first
• KT-68012 K2. No 'operator' modifier is required on 'component' error in K2
• KT-61835 K2: FirStubTypeTransformer receives unresolved expressions in builder inference session
• KT-63596 K1/K2: Different behavior for lambda with different return type
• KT-67688 K2: False positive CANNOT_INFER_PARAMETER_TYPE for Unit constraint type variable
• KT-62080 False positive UNUSED_VARIABLE for variable that is used in lambda and in further code with several conditions
• KT-60726 K2: Missed TYPE_MISMATCH error: inferred type non-suspend function but suspend function was expected
• KT-41835 [FIR] Green code turns to red in presence of smartcasts and redundant type arguments
• KT-67579 K1/JVM: false-negative annotation-based diagnostics on usages of ABI compiled with non-trivially configured generation of default methods
• KT-67493 K2: argument type mismatch: actual type is 'T', but 'T' was expected
• KT-64900 K2: getConstructorKeyword call in PsiRawFirBuilder.toFirConstructor forces AST load
• KT-67648 K2: wrong exposed visibility errors with WRONG_MODIFIER_CONTAINING_DECLARATION on top-level enum class
• KT-58686 FIR2IR: Don't use global counters
• KT-67592 K2: Success execution of :kotlin-stdlib:compileKotlinMetadata
• KT-60398 K2: consider forbidding FirBasedSymbol rebind
• KT-54918 Refactor transformAnonymousFunctionWithExpectedType
• KT-63360 K2: Malformed type mismatch error with functional type
• KT-67266 K2: disappeared INLINE_CLASS_DEPRECATED
• KT-67569 K2: Fix default value parameters of Enum's constructor if it's declared in source code
• KT-67378 K2: Don't use wrapScopeWithJvmMapped for common source sets
• KT-67738 K2: Introduce kotlin.internal.ActualizeByJvmBuiltinProvider annotation
• KT-64456 K2: Port *VersionRequirementTest to K2
• KT-67136 Put $this parameter to LVT for suspend lambdas
• KT-62538 K2: Declarations inside external classes should be implicitly external
• KT-67627 K2: External interface companion isn't external in IR
• KT-60290 K2: origin is not set for !in operator
• KT-67512 K2: false positive WRONG_GETTER_RETURN_TYPE when getter return type is annotated
• KT-67635 K2: No warning TYPE_MISMATCH_WHEN_FLEXIBILITY_CHANGES for SAM constructor with inferred type
• KT-60501 K2 Scripting: investigate metadata difference between K1 and K2
• KT-67598 K2: Fix incorrect casting UByte to Number in FirToConstantValueTransformer
• KT-56564 False positive "non-exhaustive when" in case of intersection type
• KT-63969 K2: extra property in metadata
• KT-63968 K2: extra property in metadata for anonymous variable in script
• KT-67547 K/N can't build caches, fails with "clang++: error=2, No such file or directory"
• KT-67469 K2: Failing module in FP-intellij
• KT-64033 K2: Investigate ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound
• KT-64457 K2: Fix DecompiledKnmStubConsistencyK2TestGenerated
• KT-66377 IR Evaluator: "no container found for type parameter" when evaluating nested generics
• KT-66378 IR Evaluator: Symbol is unbound
• KT-64506 IDE, IR Evaluator: NPE in ReflectiveAccessLowering.fieldLocationAndReceiver when evaluating private static properties
• KT-67380 K2: Don't check for equals overriding for class Any
• KT-67038 K2: Missing type of FirLiteralExpression causes an exception for property initializer type resolution
• KT-59813 K2: Fix the TODO about firEffect.source in FirReturnsImpliesAnalyzer
• KT-59834 K2: Fix the TODO about merge(other) in UnusedChecker
• KT-59188 K2: Change positioning strategy for WRONG_NUMBER_OF_TYPE_ARGUMENTS error
• KT-59108 K2. SMARTCAST_IMPOSSIBLE instead of UNSAFE_IMPLICIT_INVOKE_CALL
• KT-65503 The inline processor cannot handle objects inside the lambda correctly when calling an inline function from another module
• KT-30696 NoSuchMethodError if nested anonymous objects are used with propagation reified type parameter
• KT-58966 Incorrect type inference for parameters with omitted type of anonymous function that is being analyzed as value of function type with receiver
• KT-67458 Use @PhaseDescription for JVM backend lowering phases
• KT-65647 K2 ignores diagnostics on sourceless FirTypeRefs
• KT-64489 K2: Rename FirAugmentedArraySet
• KT-67394 FIR: Make FIR repr of For from PSI and LightTree the same
• KT-66724 K2 IDE. False positive errors because of wrong type inference in complex case of delegated property and type arguments
• KT-40248 Confusing error message NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY
• KT-66947 K2: false-positive JSpecify nullability enhancement warning on Java wildcard type argument with same base type but different nullabilities as upper and lower bounds
• KT-66974 K2: false-negative JSpecify nullability enhancement warning on nullable projection of Java wildcard type argument with non-null bounds in out-position
• KT-66946 K2: false-negative JSpecify nullability enhancement warning on Java wildcard type argument with nullable upper bound in out-position
• KT-66442 K2: No visibility error on importing private aliases
• KT-66598 K2: Allow comparisons, is-checks and casts between Kotlin and platform types
• KT-55966 K2: Not enough information to infer type variable K if smartcast is used
• KT-64894 OPT_IN_ARGUMENT_IS_NOT_MARKER diagnostic message is unclear
• KT-67019 K2: IR has incorrect EQ origins for some inplace updating operators
• KT-59810 K2: Support other ConstraintPosition-s
• KT-55383 K1/K2: isClassTypeConstructor behaves differently for stub types
• KT-60089 K2: Introduced ERROR_IN_CONTRACT_DESCRIPTION
• KT-60382 K2: Refactor ExpectActualCollector
• KT-62929 K2: investigate if guessArrayTypeIfNeeded is necessary in annotation loader
• KT-65642 K2: IR: Array access desugaring doesn't have origins
• KT-24807 No smartcast to Boolean in subject of when-expression when subject type is non-nullable
• KT-66057 K2: incorrect supertype leads to class declaration being highlighted red
• KT-63958 K2: drop support of UseBuilderInferenceOnlyIfNeeded=false
• KT-63959 K2: treat stub types as non-nullable for isReceiverNullable check
• KT-65100 IrFakeOverrideBuilder: support custom 'remove(Int)' handling logic in MutableCollection subclasses

Compose compiler

New features

• cdfe659 Changed how compiler features being rolled out are enabled and disabled in compiler plugin CLI. Features, such as strong skipping and non-skipping group optimizations are now enabled through the "featureFlag" option instead of their own option.
• 192e556 Strong skipping is now enabled by default
• 842a9e8 Add support for default parameters in abstract and open @Composable functions b/165812010

Fixes

• e207b05 Fixes group generation for if statements when nonSkippingGroupOptimization is enabled b/346821372
• f64fc3a Fixes endToMarker generation in early return from inline lambdas that caused start/end imbalance b/346808602
• d6ac8a5 Stop memoizing lambdas with captured property delegates b/342557697
• f38d5a3 Stop capturing parameter meta across crossinline boundary b/343801379
• 770fe8d Propagate annotations from inferred function types when serializing b/345261077
• 3c67cda Fix memoization of captureless lambdas when K2 compiler is used b/340582180
• 3281e53 Allow memoizing lambdas in composable inline functions b/340606661
• b/351858979 Fix stability inferencing of interfaces on incremental compilation
• b/346821372 [Compose] Fix code generation for group optimization
• b/357878245 Disallow open @Composable functions with default params to fix binary compatibility issues.

IR. Actualizer

• KT-68830 Compiler crash on missing actual class
• KT-69024 K2: Children of expect annotation with @OptionalExpectation should be actualized
• KT-68742 Allow expect protected to Java protected actualization
• KT-66436 K2. Actualizing modCount property with a field in AbstractMutableList
• KT-68741 Support actualization of AbstractMutableList.modCount
• KT-68801 Crash on access of fake override of function actualized by fake override
• KT-66307 K2: property fake override isn't generated for protected field

IR. Inlining

• KT-67208 KJS: put ReplaceSuspendIntrinsicLowering after IR inliner
• KT-68100 Run IR validation in the beginning and the end of the common prefix
• KT-69171 Introduce a temporary -X CLI parameter that enables double-inlining
• KT-69006 Enable IR visibility checks after IR inlining
• KT-69183 IR inlining: properly handle defaults that depends on previous value parameters
• KT-67660 Suspicious package part FQN calculation in InventNamesForLocalClasses
• KT-68558 Move InlineCallableReferenceToLambdaPhase into ir.inline module
• KT-56466 Support non-local break/continue in IR inliner
• KT-64958 KJS: Put as many as possible lowerings after the inliner
• KT-67297 Implement IR deserializer with unbound symbols

IR. Interpreter

• KT-66938 Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression: CALL 'public final fun less (arg0: kotlin.Int, arg1: kotlin.Int): kotlin.Boolean declared in kotlin.internal.ir'

IR. Tree

Performance Improvements

• KT-67695 ForLoopsLowering fails to handle a loop over an imprecise typed iterable

Fixes

• KT-68784 Support validating visibility of referenced declarations in IrValidator
• KT-68174 Delete the IrMessageLogger interface
• KT-67082 Introduce attributes on IrElement
• KT-68716 DeepCopyIrTreeWithSymbols.visitConst should remap const type
• KT-67650 Add default implementations to methods for non-leaf IrSymbol subclasses from SymbolRemapper
• KT-67649 Autogenerate IrSymbol interface hierarchy
• KT-44721 IR: merge IrPrivateSymbolBase and IrPublicSymbolBase hierarchies
• KT-67580 Autogenerate SymbolRemapper
• KT-67457 Introduce a way to simplify IR lowering phase creation
• KT-67060 NoSuchMethodError for org.jetbrains.kotlin.ir.expressions.impl.IrCompositeImpl in the Flysto

JavaScript

New Features

• KT-69133 Kotlin/JS: Add support for collection instantiation in JavaScript
• KT-18891 JS: provide a way to declare static members (JsStatic?)

Fixes

• KT-68943 @JsPlainObject breaks when interface has type parameters
• KT-70592 "Error: HttpClientCall expected" on HTTP request when targeting es2015 with KTOR
• KT-67273 Creating Kotlin Collections from JS collections
• KT-65018 JS: Deprecate error tolerance
• KT-67355 KJS / ES6: 'super' in lambda with enabled -Xir-generate-inline-anonymous-functions leads to JS errors
• KT-69353 KJS / d.ts: Kotlin does not export base collection classes along with their mutable collection counterparts
• KT-66898 KJS: Reserved keywords not escaped when -Xir-generate-inline-anonymous-functions is enabled
• KT-69710 JS IR generates bad code for inner param default referring to outer members
• KT-68632 K2: allow JS_NAME_CLASH suppression
• KT-69400 Use correct type for references on local functions when transforming them into lambda
• KT-68554 Legalize marker interface as parent for JSO (interface marked with @JsPlainObject)
• KT-68740 Kotlin/JS 2.0.0 IrLinkageError with dynamic function parameters inside data classes
• KT-68944 @JsPlainObject require properties, when type - nullable alias
• KT-68891 @JsPlainObject fails to compile when encountering reserved keywords as interface properties
• KT-69023 KJS / IR: globalThis is mandatory, breaking older browsers support
• KT-68641 KJS: 'export was not found' with per-file mode on case-insensitive filesystem
• KT-68053 K2: NON_EXPORTABLE_TYPE on a typealias of primitive type
• KT-62304 K/JS: Investigate the compiler assertion crash in JS FIR with backend tests
• KT-68620 [wasm][js] Default param in inner class method fails if we are referring generic extension property
• KT-64801 K2 + JS and WASM: Inner with default inner doesn't work properly
• KT-67248 ModuleDescriptor in JS Linker contains incorrect friend dependecies
• KT-64424 K2: Migrate JsProtoComparisonTestGenerated to K2
• KT-52602 Kotlin/JS + IR: incompatible ABI version is not reported when no declarations are actually used by a Gradle compilation
• KT-66092 K/JS & Wasm: .isReified for reified upper bound is wrongly false
• KT-67112 Unable to apply @JsStatic for common sources: [NO_CONSTRUCTOR]
• KT-62329 KJS: "UnsupportedOperationException: Empty collection can't be reduced" caused by external enum with "@JsExport"
• KT-67018 K/JS: Executable js file for module-kind=umd contains top level this instead of globalThis
• KT-64776 Test infra for JS can't process dependency in mpp module
• KT-65076 Use the same instance when a fun interface doesn't capture or capture only singletons

Klibs

• KT-66557 Check, that no bad metadata in klib is produced, when we failed to compute constant value
• KT-66968 Provide K/N platforms libs for all available targets
• KT-66967 Provide K/N stdlib for all available targets in all distributions
• KT-66605 [KLIB] Excessive creation of BaseKotlinLibrary during resolving libs
• KT-68824 API 4 ABI: Don't show sealed class constructors
• KT-68202 KLIB metadata: nested classes are sometimes inside a different 'knm' chunk
• KT-65834 [KLIB Resolve] Drop library versions in KLIB manifests
• KT-67446 [KLIB Tool] Drop "-repository " CLI parameter
• KT-67445 [KLIB Tool] Drop "install" and "remove" commands

Language Design

• KT-58920 K2: Prioritize Enum.entries resolve
• KT-11914 Confusing data class copy with private constructor
• KT-68636 Incorrect private_to_this visibility for data class with a private constructor

Libraries

New Features

• KT-31880 UUID functionality to fix Java bugs as well as extend it
• KT-57998 implement Base64.withoutPadding

Performance Improvements

• KT-67023 Optimize Int.sign and Long.sign for js and wasmJs targets

Fixes

• KT-70196 Introduce ExperimentalUuidApi annotation for marking Uuid API
• KT-60787 Cannot ignore alpha when formatting with HexFormat
• KT-68025 Improve documentation for Hex
• KT-66129 Minor issues with HexFormat
• KT-67511 provide equals() and hashCode() implementations for kotlinx.metadata.KmType
• KT-68240 stdlib: proper expects for internal API used in intermediate shared source sets
• KT-68840 atomicfu-runtime: annotate some internal functions with @PublishedApi
• KT-68839 Annotate kotlin.js.VOID property with @PublishedApi
• KT-68023 Improve documentation for Base64
• KT-51483 Documentation of trimMargin is (partly) difficult to understand
• KT-64649 Add explanation to "A compileOnly dependency is used in the Kotlin/Native target" warning message
• KT-67807 JS/Wasm: ByteArray.decodeToString incorrectly handles ill-formed 4-byte sequences with a 2nd byte not being continuation byte
• KT-67768 Wasm: ByteArray.decodeToString throws out-of-bounds exception if the last byte is a start of a 4-byte sequence
• KT-66896 Improve Array contentEquals and contentDeepEquals documentation

Native

• KT-70166 Native: EXC_BAD_ACCESS on watchOS when using Dispatchers
• KT-69246 K2: linkPodDebugFrameworkIosArm64 takes 15 (!!) times longer
• KT-67694 Native: WeakRefBenchmark degradation due to nonoptimized IntProgression iteration
• KT-69206 Native: updating to LLVM 16 breaks debugging in lldb on Linux
• KT-68640 Native: updating to LLVM 16 changes behavior of used attribute in C/C++ code
• KT-58097 Kotlin/Native: improve the error message if Xcode is not properly configured
• KT-67583 compileKotlin-task unexpectedly downloads K/N dependencies on Linux (but doesn't on Mac)

Native. Build Infrastructure

• KT-69781 Kotlin/Native performance tests fail to compile with bitcode

Native. C and ObjC Import

• KT-69094 LLVM 11 clang: cinterops fail with "_Float16 is not supported on this target"
• KT-68254 Native: flaky testForwardEnum test in Kotlin/Native on MacOS
• KT-65260 Native: compiler crashes when casting to an Obj-C class companion

Native. ObjC Export

• KT-65666 Native: enable objcExportSuspendFunctionLaunchThreadRestriction=none by default
• KT-57496 linkReleaseFrameworkIosArm64: e: Compilation failed: An operation is not implemented

Native. Platform Libraries

• KT-69382 LLVM 11 clang: symbol not found when running the linker

Native. Runtime

• KT-70043 Native: EXC_BAD_ACCESS on watchOS when using Random
• KT-68928 EXC_BREAKPOINT: BUG IN CLIENT OF LIBPLATFORM: Trying to recursively lock an os_unfair_lock

Native. Runtime. Memory

• KT-66644 Native: threads are too often paused to assist GC (with concurrent mark)
• KT-68871 Native: Unexpected barriers phase during STW: weak-processing
• KT-67779 Native: SpecialRefRegistry::ThradData publication prolongs the pause in CMS
• KT-66918 Native: scan global root set concurrently

Native. Swift Export

• KT-69469 Exporting object twice causing crash
• KT-69251 Get rid of context receivers from ./native/.../lazyWithSessions.kt
• KT-68865 Move config into test-directives
• KT-68259 Swift export: secondary constructs lead to compilation errors
• KT-67095 Native: fix testNativeRefs export test
• KT-67099 Remove SirVisitor and SirTransformer from code
• KT-67003 Abandon PackageInflator implementation in favour of PackageProvider component

Native. Testing

• KT-69235 Incorrect handling of friend dependencies in Native test infra
• KT-67436 Native: support CLI tests
• KT-68416 Native: when using test grouping, a whole group gets ignored on non-Mac hosts if it has Objective-C tests
• KT-68500 Native: Drop custom logic in ExtTestCaseGroupProvider, mute codegen/box tests explicitly

Reflection

• KT-69433 KotlinReflectionInternalError on non-reified type parameter in typeOf inside an inline lambda
• KT-68675 K2: KotlinReflectionInternalError on non-reified type parameter in typeOf inside a lambda

Tools. Build Tools API

• KT-68555 BTA test infra: top level declarations are invisible across modules

Tools. CLI

• KT-69792 Add the possibility to disable fast jar fs in K2
• KT-68838 OutOfMemory when compiling in CLI
• KT-67939 Add CLI argument to enable when guards feature
• KT-68743 Extract common CLI arguments for all KLIB-based backends
• KT-68450 CLI: errors related to module-info are reported even if there are no Kotlin source files
• KT-68060 FastJarFS fails on empty jars

Tools. CLI. Native

• KT-66952 Native: konanc fails when KONAN_HOME is under path with spaces
• KT-64524 Introduce a CLI argument to override native_targets field in klib manifest

Tools. Commonizer

• KT-68835 Command line length overflow on Linux/Windows while invoking commonizer via :commonizeDistribution

Tools. Compiler Plugin API

• KT-68020 K2: run FirSupertypeGenerationExtension over generated declarations

Tools. Compiler Plugins

• KT-64425 K2: Implement Atomicfu*IrTestGenerated for K2
• KT-69401 Kotlin power assert plugin doesn't work correctly with safe cast operator
• KT-69290 PowerAssert: implicit receivers included in power-assert generated diagram
• KT-68511 Power Assert kotlinx.assertEquals message display problem
• KT-68807 Power-Assert crashes the Kotlin compiler when if expression used as assertion parameter
• KT-68162 K2 Parcelize implementation breaks compiler phase contracts
• KT-67605 K2 parcelize: false positive NOTHING_TO_OVERRIDE in one test
• KT-64455 K2: Implement ParcelizeIrBoxTestWithSerializableLikeExtension for K2

Tools. Compiler plugins. Serialization

• KT-70516 KxSerialization: @KeepGeneratedSerializer and sealed class cause initialization error
• KT-68752 Serializable annotation on Java class is not taken into account in K2 checker
• KT-68931 JS/Native + serialization: partial linkage error
• KT-69039 FIR: Implement IDE-only checker for kotlinx.serialization compiler plugin to report IDE-only diagnostics

Tools. Fleet. ObjC Export

• KT-68826 ObjCExport: SerializersModuleBuilder
• KT-68841 ObjCExport: @Deprecated support
• KT-68887 ObjCExport: K1 text fixture @Deprecated support
• KT-68051 [ObjCExport] Support reserved method names

Tools. Gradle

New Features

• KT-68651 Compose: provide a single place in extension to configure all compose flags

Performance Improvements

• KT-61861 Gradle: Kotlin compilations depend on packed artifacts

Fixes

• KT-69809 Compose Gradle Plugin: AGP doesn't override configuration properties like traceMarkersEnabled
• KT-65820 Compatibility with Gradle 8.7 release
• KT-69444 Don't warn about missing Compose Compiler Gradle plugin in some cases
• KT-67888 Remove usages of deprecated Configuration.fileCollection() method
• KT-68843 Gradle: Kotlin plugin changes source set 'main' to 'null/main'
• KT-67395 Add new plugins to collector kotlin gradle performance
• KT-68661 Move ExperimentalWasmDsl to kotlin-gradle-plugin-annotations
• KT-69837 Deprecation warning for file-based IC is issued when the property is set to true, altering the intended meaning of the message
• KT-69291 Compose Gradle plugin: Enable strong skipping by default
• KT-67766 Build against Gradle API 8.7
• KT-67889 Run tests against Gradle 8.8 release
• KT-65271 Gradle: "Mutating dependency DefaultExternalModuleDependency after it has been finalized has been deprecated " with gradle 8.6-rc-3
• KT-67822 Deprecate JVM history files based incremental compilation
• KT-64378 Compatibility with Gradle 8.6 release
• KT-69414 Compose: featureFlags override values of the deprecated compose options
• KT-67771 Compatibility with Gradle 8.8 release
• KT-65528 Migrate rest of Gradle integration tests to new Test DSL
• KT-68306 Project isolation for FUS statistics: Cannot access project ':' from project ':app' at org.jetbrains.kotlin.gradle.report.BuildMetricsService$ Companion.initBuildScanExtensionHolder
• KT-67890 Compile against Gradle 8.8 API artifact
• KT-68773 Kotlin 2.0.0 with Gradle 8.8: ConcurrentModificationException on BuildFusService configurationMetrics
• KT-68308 Project isolation for FUS statistics: An error is thrown at org.gradle.configurationcache.ProblemReportingCrossProjectModelAccess$ProblemReportingProject.getLayout
• KT-61574 Add project-isolation test for Kotlin/Android plugin
• KT-65936 Provide a detailed error for changing kotlin native version dependency.
• KT-62684 PropertiesBuildService should load extraProperties only once
• KT-67288 Test DSL should not fail the test if build scan publishing has failed
• KT-58280 org.jetbrains.kotlin.jvm Gradle plugin contributes build directories to the test compile classpath

Tools. Gradle. JS

• KT-70077 [2.0.20-Beta2] KGP reports confusing warnings about js/wasmJS source sets
• KT-69805 YarnSetupTask does not work for custom downloadBaseUrl
• KT-67444 Gradle / JS: wrong type commonWebpackConfig.devServer.proxy
• KT-42923 KJS: Resources are not available when running Karma tests
• KT-68482 KotlinNpmInstallTask is not compatible with configuration cache
• KT-68072 K/JS, K/Wasm: Module not found in transitive case
• KT-68103 K/JS, K/Wasm: Generation of test compilation's package.json requires main compilation
• KT-67924 K/JS, K/Wasm: kotlinNpmInstall can rewrite root package.json

Tools. Gradle. Kapt

• KT-64627 Kapt3KotlinGradleSubplugin uses property lookup that breaks project isolation
• KT-61928 Clarify parameter types in KaptArguments and KaptJavacOption

Tools. Gradle. Multiplatform

New Features

• KT-56566 Consider pre-generating DSL accessors for source sets with names corresponding to the default target hierarchy

Fixes

• KT-66568 w: KLIB resolver: The same 'unique_name=...' found in more than one library
• KT-65754 Gradle: Commonized cinterop dependency configuration changes project description
• KT-69406 Deprecate combinations of KMP plugin with some Gradle Java plugins
• KT-64109 Using compileOnly/runtimeOnly dependencies in K/N-related configurations leads to odd behaviour
• KT-69311 runDebugExecutable task fails with "this.compilation" is null with enabled configuration cache
• KT-69310 w: KLIB resolver: The same 'unique_name=...' found in more than one library for diamond source set structures
• KT-61793 KMP/AGP compatibility: Update the maximum tested AGP version to 8.3
• KT-66209 Accessing the source sets by name is confusing
• KT-62368 Kotlin 1.9.X fails to detect kotlin.test.Test annotation reference on commonTest source set when targeting JVM+Android
• KT-67110 Usage of BuildOperationExecutor.getCurrentOpeartion internal Gradle API
• KT-58319 kotlin.git: ProjectMetadataProviderImpl "Unexpected source set 'commonMain'"

Tools. Gradle. Native

• KT-69918 java.lang.NullPointerException: Cannot invoke "org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeCompilation.getTarget()" because "this.compilation" is null
• KT-67935 OverriddenKotlinNativeHomeChecker does not work well with relative paths
• KT-64430 Remove deprecated KotlinToolRunner(project) constructor
• KT-64427 Stop using deprecated KotlinToolRunner(project) constructor call

Tools. Incremental Compile

• KT-69042 K2: changing a Java constant won't cause Kotlin usages to recompile
• KT-63476 Investigate the debug output of JVM compilation in KMP IC smoke tests

Tools. JPS

• KT-63707 JPS: "Multiple values are not allowed for" caused by Compose

Tools. Kapt

• KT-68145 K2 KAPT: missing $annotations methods for const properties and private properties without accessors
• KT-67495 File leak in when building with kapt
• KT-66780 K2 KAPT Kotlinc should exit with an exit code 1 (compilation error) if a Kapt task fails
• KT-66998 K2 KAPT: Reimplement support for DefaultImpls

Tools. Scripts

• KT-69296 scripting dependency resolution does not authenticate towards maven mirrors
• KT-67575 FromConfigurationsBase script definition unexpected behaviour with regex from gradle templates
• KT-67066 DeepCopyIrTreeWithSymbols does not copy IrScript nodes correctly
• KT-67071 K2: ScriptCompilationConfigurationFromDefinition is not serializable
• KT-67063 LauncherReplTest flaky on Windows

Tools. Wasm

• KT-70220 K/Wasm: Upgrade NPM dependencies
• KT-69245 K/Wasm: Remove warning of working-in-progress
• KT-69154 K/Wasm: wasmJsBrowserProductionRun flaky crash with "WebAssembly.instantiate(): Import ... function import requires a callable"
• KT-68930 K/Wasm: Production run doesn not use optimize task result
• KT-67901 K/Wasm: Add kotlin-wasm-examples to CI
• KT-67468 Gradle task build (allTests) fails on default web project
• KT-67980 Wasm: Incorrect "Please choose a JavaScript environment to build distributions and run tests" when WASM is not configured
• KT-67862 K/Wasm: Make usage of ChromeWasmGc an error

v2.0.10: Kotlin 2.0.10

Compare Source

2.0.10

Apple Ecosystem

• KT-68257 Xcode incorrectly reuses embedAndSign framework when moving to and from 2.0.0

Compiler

Fixes

• KT-69876 K2 Compile exception: Only IrBlockBody together with kotlinx serialization
• KT-68521 K2: Property's private setters can be bypassed when using plusAssign and minusAssign operators
• KT-68667 K2: Compiler hangs on mapNotNull and elvis inside lambda
• KT-68747 K2: Long compilation time because of constraint solving when using typealias in different modules
• KT-68940 K2: "IllegalArgumentException: All variables should be fixed to something"
• KT-68797 K2 / Native: "java.lang.IllegalStateException: FIELD" caused by enabled caching
• KT-68362 False-positive ABSTRACT_MEMBER_NOT_IMPLEMENTED for inheritor of java class which directly implements java.util.Map
• KT-68449 K2: "when" expression returns Unit
• KT-67072 K2: inconsistent stability of open vals on receivers of final type
• KT-68570 K2: "Unresolved reference" in call with lambda argument and nested lambda argument
• KT-69159 K2: KotlinNothingValueException in Exposed
• KT-68623 K2: "Only safe or null-asserted calls are allowed" on safe call
• KT-68193 JDK 21: new MutableList.addFirst/addLast methods allow adding nullable value for non-null types
• KT-67804 removeFirst and removeLast return type with Java 21
• KT-68727 K2: "Null argument in ExpressionCodegen for parameter VALUE_PARAMETER" caused by an enum class with default parameter in a different module
• KT-68383 K2: "Argument type mismatch: actual type is 'kotlin.String', but 'T & Any' was expected." with intersection types
• KT-68546 K2: false-positive conflicting overloads error on inheriting generic type with inherited generic and non-generic member overloads
• KT-68626 K2: "Conflicting Overloads" for function if inherited from generic type
• KT-68351 K2: "Suspension functions can only be called within coroutine body"
• KT-68489 K2: WRONG_ANNOTATION_TARGET with Java and Kotlin @Target annotation positions
• KT-69058 K2: Java-defined property annotations not persisted
• KT-64515 K2 IDE: [NEW_INFERENCE_ERROR] in a build.gradle.kts script while applying "jvm-test-suite" plugin and then configuring targets for test suites
• KT-68016 K2: Gradle repo test should compile correctly with Kotlin explicit api mode fails on K2
• KT-68575 K2: @ParameterName annotation is not erased when inferring the type of it in lambdas
• KT-67999 K2: lost flexibility on parameters of Java SAM
• KT-59679 K2: Investigate extracting uncompleted candidates from blocks
• KT-68401 K2: "IllegalAccessError: failed to access class" caused by package private super Java type, when inferencing a common super type of if or when branches on JVM
• KT-68806 K/Wasm RuntimeError: unreachable on Sequence::toList
• KT-68455 K2: False negative UPPER_BOUND_VIOLATED_BASED_ON_JAVA_ANNOTATIONS
• KT-68538 KJS/K2: using while with break inside inline lambdas leads to an endless cycle
• KT-68798 JVM compiler crashes on calling private expect constructor with a default parameter
• KT-68734 K2: enum class in KMP: Expect declaration MMKVLogLevel is incompatible with actual MMKVLogLevel because modality is different
• KT-68674 False positive ACTUAL_WITHOUT_EXPECT in K2
• KT-68350 K2: "Inapplicable candidate(s)" caused by parameter reference of local class with type parameters from function
• KT-68571 K2: "IllegalStateException: Fake override should have at least one overridden descriptor" caused by exceptions and when statement
• KT-68523 K2: FileAnalysisException when using Definitely non-nullable types
• KT-68339 K2: "Enum entry * is uninitialized here" caused by lazy property with enum in when expression
• KT-66688 K2: false-negative "upper bound violated" error in extension receiver
• KT-68630 DiagnosticsSuppressor is not invoked with Kotlin 2.0
• KT-68222 K2. KMP. False negative Expected declaration must not have a body for expected top-level property with getter/setter
• KT-64103 FirExpectActualDeclarationChecker reports diagnostic error for KtPsiSimpleDiagnostic with KtFakeSourceElement
• KT-68191 K2. Static fake-overrides are not generated for kotlin Fir2IrLazyClass
• KT-68024 K2: Gradle repo test accessors to kotlin internal task types... fails on K2
• KT-64957 K1: drop ModuleAnnotationResolver

Compose compiler

• 0c5a858 Fix memoization of captureless lambdas when K2 compiler is used b/340582180
• a8249d6 Allow memoizing lambdas in composable inline functions b/340606661

Native

• KT-68094 K2/Native: Member inherits different '@Throws' when inheriting from generic type

Tools. Compiler Plugins

• KT-69187 Compose compiler for web doesn't support rememberComposableLambda
• KT-68557 K2. Supertypes resolution of KJK hierarchy fails in presence of allopen plugin

Tools. Compiler plugins. Serialization

• KT-68850 Compose lambda type not transformed with KGP 2 + new Compose plugin

Tools. Daemon

• KT-68297 KGP 2.0 regression: JAVA_TOOL_OPTIONS is not considered in Kotlin daemon creation

Tools. Gradle

• KT-69330 KotlinCompile friendPathsSet property is racy due causing build cache invalidation
• KT-69026 Mark AGP 8.5.0 as compatible with KGP
• KT-68447 ill-added intentionally-broken dependency source configurations
• KT-69078 Gradle: Add option to disable FUS Service
• KT-68278 Spring resource loading in combination with java-test-fixtures plugin broken
• KT-66452 Gradle produces false positive configuration cache problem for Project usage at execution time
• KT-68242 Run tests against AGP 8.4.0

Tools. Gradle. Multiplatform

• KT-68805 KMP project (re-)import took a long time for downloading platform libs
• KT-68248 kotlin multiplatform project fail to build on Fedora with corretto

Tools. Gradle. Native

• KT-68638 KGP 2.0 breaks native test with api dependencies and configuration cache
• KT-65761 Missing JDK Platform ClassLoader when compiling Kotlin native in daemon

Tools. JPS

• KT-69204 Generate lookups in dumb mode for compatibility with ref index

Tools. Kapt

• KT-68171 K2KAPT: boxed return types in overridden methods changed to primitives

Tools. Scripts

• KT-68681 K2 / CLI / Script: "NullPointerException: getService(...) must not be null" caused by @DependsOn
• KT-67747 K2: regression in Spring unit tests using javax.script.ScriptEngine

v2.0.0: Kotlin 2.0.0

Compare Source

Changelog

Analysis. API

New Features

• KT-65327 Support reading klib contents in Analysis API

Performance Improvements

• KT-65560 K2: Anaysis API: ContextCollector triggers redundant resolution in the case of file elements
• KT-64987 Analysis API: 50GB memory allocation on creating empty kotlinx.collections.immutable.persistentMapOf
• KT-61789 K2: optimize getFirForNonKtFileElement for references inside super type reference
• KT-59498 K2: getOnAirGetTowerContextProvider took too much time due to on air resolve
• KT-61728 Analysis API: optimize AllCandidatesResolver.getAllCandidates

Fixes

• KT-65561 Analysis API: dummy.kt is not a physical file
• KT-65616 K2: FirDeclarationStatusImpl cannot be cast to FirResolvedDeclarationStatus from STATUS
• KT-65600 Analysis Api: FirFile for KtCodeFragments are created and not updated on changes
• KT-64919 K2 IDE: Implement KMP support for sealed class inheritors
• KT-64241 K2: Unresolved calls to functions in scripts depending on included projects
• KT-65813 Analysis API Standalone: FirDeclarationForCompiledElementSearcher does not find compiled elements
• KT-66052 AA: render expect/actual modifier
• KT-66795 KtCodeFragment.clone() is broken
• KT-66532 K2 CodeGen AA: missing annotation setup for function in source module but not in a compile target file
• KT-64833 Analysis API: Members implemented by delegation have no overridden symbols
• KT-62405 Analysis API: Symbols SUBSTITUTION_OVERRIDE have no overridden symbols
• KT-66749 K2: "Collection contains no element matching the predicate" on an unresolved call
• KT-62832 K2: ClassCastException: FirDeclarationStatusImpl cannot be cast to FirResolvedDeclarationStatus
• KT-66719 AbstractGetKlibSourceFileNameTest: The dependency to ":native:analysis-api-klib-reader" breaks JPS compilation
• KT-66603 Analysis API: support type annotations in KtPsiTypeProviderMixIn#asPsiType
• KT-64505 Analysis API Standalone: Remove test-specific calculation of sealed class inheritors
• KT-66013 Analysis API Standalone: Sealed inheritors aren't correctly calculated for source classes
• KT-62880 K2 IDE: Unresolved java annotation methods in KDoc
• KT-66530 K2: Analysis API: KtPsiTypeProvider#asKtType crashes on PsiClassType for Java type parameter with wrong use site
• KT-65571 Support VirtualFile inputs to Analysis API modules
• KT-66485 Substituted types are not provided for callable references
• KT-66498 Analysis API: 'KtFe10SymbolDeclarationOverridesProvider' considers a class to be a subclass of itself
• KT-64579 K2 IDE: "Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirValueParameterImpl(Source) but FirArgumentListImpl found"
• KT-65978 Analysis API: Use soft references in FileStructureCache
• KT-64051 K2 IDE: Analysis API: Unresolved links to typealias in KDoc
• KT-66189 K2 / IDE: KtFirExpressionTypeProvider bugs
• KT-61422 K2 IDE: "No array element type for vararg value parameter: org.jetbrains.kotlin.fir.declarations.impl.FirValueParameterImpl"
• KT-66276 K2: Analysis API: TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM false positive for script parameter
• KT-66232 K2: Analysis API: cover ScriptWithCustomDefDiagnosticsTestBaseGenerated by LL FIR tests
• KT-60996 K2: Stub Based Deserializer: Set versionRequirements to enable VERSION_REQUIREMENT_DEPRECATION diagnostics
• KT-66306 K2: Analysis API: drop ability to enable global phase resolve lock
• KT-55750 LL FIR: Implement multi-threaded resolve
• KT-65563 Analysis API: Missing session component FirExpectActualMatchingContextFactory in LLFirLibrarySession
• KT-66173 K2: No 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter' in array owner: LLFirLibrarySession
• KT-66238 Gradle kotlin build scripts - a lot of unresolved symbols after latest changes in kotlin master
• KT-65099 K2: Recursive local storage cache check for Fir2IrDeclarationStorage::createAndCacheIrPropertySymbols()
• KT-65265 Analysis API: Add library session invalidation tests
• KT-56288 Analysis API: Add tests for session invalidation on the Analysis API side
• KT-64000 K2: make AnnotationArgumentsStateKeepers more accurate
• KT-63606 K2: Analysis API: rewrite FirLazyAnnotationTransformer to avoid redundant transformations
• KT-65191 KtFirMultiplatformInfoProvider#getExpectForActual doesn't return expect function for slightly broken code
• KT-62136 Analysis API: Add concurrent tests for CleanableSoftValueCache
• KT-61222 K2: Add lifecycle management for KtResolveExtension
• KT-65960 Analysis API: Test infrastructure indexes binary libraries from decompiled files instead of stubs during IDE mode tests
• KT-65240 K2: CodeGen API fails to resolve Annotation parameter type when it runs FIR2IR for a class with a parent class from other module if the parent class has an annotation from another module
• KT-65344 K2: make FirScript statements (declarations) independent
• KT-65930 AA: receiver type for Int?::foo misses nullability
• KT-65914 AA: receiver type for this::foo returns return type of the target callable
• KT-62071 Analysis API: KtFirScopeProvider.getScopeContextForPosition throws exception when ImplicitReceiverValue.implicitScope is null
• KT-65780 K2: polish FileStructure implementation for FirFile
• KT-62840 K2 Script: everything around destructuring declaration on top level of scripts are broken
• KT-64528 K2 IDE: MPP: unregistered component 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter'
• KT-64921 K2 IDE: references in platform code resolve to expect classifier instead of actual
• KT-61296 K2: do not resolve the entire file on lazyResolve call if FirFile is passed
• KT-65683 Analysis API: Dangling file session creation causes a computeIfAbsent contract violation
• KT-64884 K2 IDE. FP [NAMED_PARAMETER_NOT_FOUND] for copy method of library data class when class has not parameter-properties
• KT-65763 K2: value parameter from library data class copy have RAW_FIR phase
• KT-65665 Analysis API: support KtDelegatedSuperTypeEntry in KtFirExpressionInfoProvider.isUsedAsExpression
• KT-62899 K2 IDE. IDE ignores @Suppress annotation for errors
• KT-65655 Analysis API: KtCodeCompilationException should not strongly reference FIR sessions
• KT-62302 Support PsiType -> KtType conversion
• KT-64604 K2: IDE K2: "Modules are inconsistent during performance tests"
• KT-65345 K2: unify FirDesignation and LLFirResolveTarget
• KT-61757 K2 IDE: resolution to buitlins does not work for from common module
• KT-65268 K2: Checking the presence of the delegated constructor call forces AST loading
• KT-63330 Analysis API: Stub-based deserialized symbol providers provide unresolved enum entry annotation arguments
• KT-65418 Analysis API: LLFirAbstractSessionFactory loads anchor module sessions eagerly
• KT-64718 Analysis API: do not expose SealedClassInheritorsProvider and FirRegularClass to IDE Plugin
• KT-65075 K2: getContainingDeclaration() is broken for declarations inside code fragments
• KT-61332 Support KtTypeCodeFragment in PsiRawFirBuilder
• KT-65150 AA: incorrect result from KtTypeProvider#getReceiverTypeForDoubleColonExpression for Java static method
• KT-56551 LL FIR: implement parallel resolve for jumping phases
• KT-65223 Psi: avoid KtFile usages
• KT-65307 Analysis API FE10: support KtFe10AnalysisSessionProvider.getAnalysisSessionByUseSiteKtModule
• KT-62695 K2 IDE: Unresolved extension functions in KDoc
• KT-65152 Analysis API: KDoc references to packages are not fully resolved
• KT-64988 K2 IDE: Navigation from the named argument in safe call does not work
• KT-63195 AA: incorrect results from KtTypeProvider#getReceiverTypeForDoubleColonExpression
• KT-64074 K2: Investigate LL divergence for Script.testTopLevelPropertyInitialization
• KT-62441 K2: IDE K2: "No dangling modifier found"
• KT-62895 K2 IDE. FP 'when' expression must be exhaustive with sealed interface from library
• KT-64993 Analysis API: KtExpressionTypeProvider.getExpectedType works incorrectly for arguments of safe calls
• KT-64883 Allow direct creation of KtCommonFile
• KT-64646 K2: properly forbid ast loading during raw fir phase in tests
• KT-64862 Psi: missed parenthesis in type reference presentation
• KT-62893 K2 IDE. FP 'when' expression must be exhaustive with Java sealed interface from library
• KT-63795 K2: lazyResolveToPhase(BODY_RESOLVE) cannot be called from a transformer with a phase BODY_RESOLVE from SealedClassInheritorsProviderIdeImpl
• KT-64805 Analysis API: introduce common entry point for multi-file test cases
• KT-64714 K2: Analysis API: CollectionsKt.map doesn't resolves from Java in kotlin repo
• KT-64647 K2: Allow to calculate decompiled inheritors for sealed classes in tests
• KT-64595 AA: stackoverflow while simplifying a type with a recursive type parameter
• KT-64825 Analysis API. Cannot compute containing PSI for unknown source kind 'org.jetbrains.kotlin.KtFakeSourceElementKind$DefaultAccessor' exception on getContainingSymbol call for default setter parameter
• KT-64080 K2: Analysis API: On-air resolve does not trigger resolution of delegated super call arguments
• KT-64243 K2: proper lazy resolution for fake overrides
• KT-62891 K2 IDE. FP [EXPOSED_FUNCTION_RETURN_TYPE] on overriding library method which returns protected type
• KT-62667 K2: Cannot find enclosing declaration for KtNameReferenceExpression (on-air, imports)
• KT-61890 Analysis API: Migrate KtFirScopeProvider to ContextCollector instead of onAirResolve
• KT-64197 K2: Code fragments are only supported in JVM
• KT-62357 K2 IDE. False positive on generated component methods and false negative on getter of @JvmRecord classes in Java
• KT-62892 K2 IDE. Java outer class from other module is not resolved when nested class is accessed with fq name in a type position
• KT-62888 K2 IDE. IDE infers reference to KMutableProperty as reference to just KProperty
• KT-64584 K2: StubBasedFirDeserializedSymbolProvider: support deserialization of delegated declarations
• KT-60324 K2 IDE: "NoSuchElementException: List is empty at JavaOverrideChecker#buildErasure"
• KT-62896 K2 IDE. FP ABSTRACT_MEMBER_NOT_IMPLEMENTED on inheriting class from library which implements interface by delegation
• KT-62947 Analysis API: Error while resolving FirPropertyImpl
• KT-64468 Analysis API: Implement mixed multi-module tests which support different kinds of KtModules
• KT-56541 Symbol Light Classes: No @NotNull annotations are generated for accessors of lateinit properties of unresolved types
• KT-63547 K2 IDE. False Positive AMBIGUOUS_ANNOTATION_ARGUMENT
• KT-64205 Analysis API: Do not import non-top-level callables by default
• KT-63056 K2: Cannot mutate an immutable ImplicitReceiverValue on FirCodeFragment analysis
• KT-64108 K2: KtFirSymbolDeclarationOverridesProvider shouldn't provide fake overrides
• KT-63752 K2: java.lang.StackOverflowError FirFieldSymbol.getHasInitializer
• KT-63718 Analysis API: Stub-based dependency symbol providers of library source sessions compute the wrong package name sets
• KT-64225 K2: IDE K2: "FirLazyBlock should be calculated before accessing" in evaluate debuger completion
• KT-64186 Analysis API: ContextCollector provides incorrect scopes for anonymous objects
• KT-63979 K2 IDE: presentation of types in completion is too verbose
• KT-63681 K2: LL FIR: Improve isResolved check coverage of after lazy resolution
• KT-62982 K2: Cannot get a PSI element for 'Enum.values'
• KT-59732 FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from serialisation plugin
• KT-62676 K2 IDE: Reference shortener does not recoginize redundant this references
• KT-63627 K2 IDE: shorten reference shortens required qualifier
• KT-62675 K2 IDE: Reference shortener does not recoginize redundant labels
• KT-60957 K2: Analysis API: Reference shortener does not work correctly with invoke function calls on properties
• KT-63771 fe10: KtNamedClassOrObjectSymbol#isInline does not cover value classes
• KT-60327 K2 IDE. "IllegalArgumentException: source must not be null" during delegation declaration
• KT-62421 K2: IDE K2: "lazyResolveToPhase(BODY_RESOLVE) cannot be called from a transformer with a phase BODY_RESOLVE."
• KT-62587 K2 IDE. FP unresolved reference on accessing nested class in annotation argument
• KT-63700 K2: "FirLazyExpression should be calculated before accessing" in the case of secondary constructor
• KT-61383 K2: 'KtCompilerFacility' fails on code fragment compilation in library sources with duplicated dependencies
• KT-62111 K2 IDE. IllegalArgumentException on for loop with iterator declaration attempt
• KT-63538 Analysis API: Removing a contract statement via PsiElement.delete() does not trigger an out-of-block modification
• KT-63694 K1/K2 IDE. "RuntimeException: Broken stub format, most likely version of kotlin.FILE (kotlin.FILE) was not updated after serialization changes" exception on incorrect class name
• KT-63660 K2: expect-actual gutter icons must be shown when declarations are matched but incompatible
• KT-63560 Analysis API: Modifiable PSI tests cannot rely on the cached application environment to allow write access
• KT-62980 Implement KtFirSimpleNameReference#getImportAlias
• KT-63130 Analysis API: No receiver found for broken code during commit document
• KT-62705 K2: "lazyResolveToPhase(IMPORTS) cannot be called..." from light classes
• KT-60170 K2 IDE: CCE from KtFirCallResolver on invalid code with wrong implicit invoke
• KT-61783 K2: Analyze 'KtCodeFragment' in a separate session
• KT-62010 K2: IDE K2: "ConeClassLikeTypeImpl is not resolved to symbol for on-error type"
• KT-62957 Analysis API: NullPointerException on call resolution when builtins are not available
• KT-61252 K2: IDE K2: "By now the annotations argument mapping should have been resolved"
• KT-62935 Analysis API: kotlin.Cloneable should not be available in Kotlin/Native sources
• KT-62910 Analysis API: create AbstractFirPsiNativeDiagnosticsTest for LL FIR
• KT-63096 K2: Analysis API: KotlinAnnotationsResolver for IDE is created with incorrect scope
• KT-62310 K2 IDE. False positives errors with external annotations
• KT-63282 K2 Script: annotation arguments phase should resolve propagated annotations
• KT-62397 K2 IDE. FP Error in the editor on RequiresOptIn annotation from the lib despite the warning level
• KT-63223 Analysis API: reference to declarations with kotlin* package are not resolved
• KT-62626 IllegalStateException: Cannot build symbol for class org.jetbrains.kotlin.psi.KtScriptInitializer
• KT-62693 K2: IDE K2: "PSI should present for declaration built by Kotlin code"
• KT-62674 K2: "Scope for type ConeClassLikeTypeImpl" is null from transitive dependencies
• KT-61889 Analysis API: Migrate KtFirReferenceShortener to ContextCollector instead of FirResolveContextCollector
• KT-62772 Analysis API: No 'org.jetbrains.kotlin.fir.java.FirSyntheticPropertiesStorage'(31) in array owner: LLFirSourcesSession when analysing builtins in a context of common code
• KT-60319 K2 IDE: "Stability for initialized variable always should be computable"
• KT-62859 K2 IDE: "Evaluate expression" throws exception when calling "Any?.toString()"
• KT-63058 K2 IDE: Code completion unexpectedly imports static/companion object method
• KT-62588 getExpectedType should not calculate type of the expression
• KT-61990 K2: Unexpected returnTypeRef for FirSyntheticProperty
• KT-62625 K2: 'FirLazyExpression should be calculated before accessing' for unresolved super type
• KT-62691 K2: optimize getFirForNonKtFileElement for references inside 'where'
• KT-62834 K2: missing file node level in control flow builder
• KT-62768 Analysis API: No 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter'(44) in array owner: LLFirSourcesSession exception on analysing common code
• KT-62874 K2: FirLazyExpression should be calculated before accessing
• KT-62407 Analysis API: resolve [this] in KDoc to extension receiver
• KT-61204 K2: "FirLazyExpression should be calculated before accessing in ktor HttpBinApplication"
• KT-61901 Analysis API: Declared member scopes for Java classes are missing static members
• KT-61800 Analysis API: Provide separate declared member scopes for non-static and static callables
• KT-61255 Analysis API: Get rid of valueOf, values and entries from a declared member scope
• KT-62466 Expected type for functional expression should include inferred types
• KT-61203 IDE K2: "Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirRegularClassImpl(Source) but FirArgumentListImpl found"
• KT-61791 Analysis API: Implement combined getPackage for combined Kotlin symbol providers
• KT-62437 K2 IDE. Resolution does not work inside lambda expression in constructor argument in supertypes
• KT-62244 K2: Analysis API Standalone: Resolving klib dependencies from binary roots terminates application
• KT-62897 K2 IDE. Unresolved declarations from libraries which are doubled in intellij project libraries
• KT-61615 K2: No 'org.jetbrains.kotlin.fir.analysis.js.checkers.FirJsModuleKind' in array owner: LLFirSourcesSession
• KT-59334 K2: LLFirImplicitTypesLazyResolver problems
• KT-62038 K2: Nested classes are missing in symbol light class structure tests for libraries
• KT-61788 Analysis API: Symbol for FirAnonymousInitializer cannot be null
• KT-62139 Analysis API: KtFe10AnalysisSession.createContextDependentCopy does not need validity check
• KT-62090 Analysis API: introduce an API to get a substitution formed by class inheritance
• KT-62268 K2 IDE. No autocompletion and IllegalStateException for Pair
• KT-60325 K2 IDE. "IllegalArgumentException: source must not be null" on throw usage attempt
• KT-61431 K2: KtPropertyAccessorSymbolPointer pointer already disposed for $$result script property
• KT-58490 K2: LLFirTypeLazyResolver problems
• KT-58494 K2: LLFirAnnotationArgumentsLazyResolver problems
• KT-58492 K2: LLFirBodyLazyResolver problems
• KT-58769 K2: LL FIR: implement platform-dependent session factories
• KT-60343 K2 IDE. IllegalArgumentException on passing incorrect type parameter to function
• KT-61842 K2: reduce number of "in-block modification" events
• KT-62012 K2: "KtReadActionConfinementLifetimeToken is inaccessible: Called outside analyse method"
• KT-61371 K2: Analysis API standalone: register compiler symbol provider for libraries in standalone mode
• KT-60611 K2: reduce number of "in-block modification" events
• KT-61425 Analysis API: Provide a way to get a declared member scope for an enum entry's initializing anonymous object
• KT-61405 Analysis API: An enum entry should not be a KtSymbolWithMembers
• KT-55504 AA: remove dependency on :compiler:cli from standalone AA
• KT-60904 K2: IDE K2: "For DESTRUCTURING_DECLARATION_ENTRY with text _, one of element types expected, but FirValueParameterSymbol found"
• KT-61260 K2 Scripts: Containing function should be not null for KtParameter
• KT-61568 FIR Analysis API: collectCallCandidates gives presence to the top level functions in the presence of more suitable overrides
• KT-60610 K2 IDE: move "out of block" processing logic into LL FIR
• KT-61597 Analysis API: KotlinIllegalStateExceptionWithAttachments: expected as maximum one expect for the actual on errorneous code with multiple expects
• KT-59793 K2: class org.jetbrains.kotlin.fir.declarations.impl.FirErrorImportImpl cannot be cast to class org.jetbrains.kotlin.fir.declarations.FirResolvedImport
• KT-61599 K2: ContextCollector: Support smart cast collection
• KT-61689 Analysis API: ContextCollector provides incorrect context in scripts
• KT-61683 Analysis API: resolve ambiguities in kotlin project
• KT-61245 Analysis API: ContextCollector provides incorrect context for supertype constructor calls
• KT-60384 K2: Opening @JvmName source in IDEA: NPE at PsiRawFirBuilder$Visitor.toFirConstructor()
• KT-60918 K2 IDE: "FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtDestructuringDeclarationEntry, fir is null"
• KT-61013 K2 Scripts: LLFirReturnTypeCalculatorWithJump: No designation of local declaration
• KT-59517 K2 IDE: KotlinExceptionWithAttachments: Modules are inconsistent
• KT-61331 K2: add cache restoring in case of existing context
• KT-61408 K2: IDE K2: "Inconsistency in the cache. Someone without context put a null value in the cache"

Analysis. Light Classes

Performance Improvements

• KT-63486 SLC: a lot of RAM is allocated in org.jetbrains.kotlin.asJava.LightClassUtil.isMangled

Fixes

• KT-66692 SLC: findAttributeValue for attribute w/ default value in Java returns null
• KT-61734 SLC: wildcard suppression not honored
• KT-65112 Symbol Light Classes don't support annotations on type parameters
• KT-65843 K2: Light method returns kotlin.Unit type for TestResult return type
• KT-65653 SLC: wrong binary resolution to function with value class
• KT-65393 SLC: missing deprecated-hidden property
• KT-64772 SLC: presence of source PSI for compiler-generated declaration
• KT-65425 K2 IDE: Seeing a reference to the class generated by compiler plugin exposed from Java code caused NPE from light classes
• KT-64937 SLC: internal setters are not mangled
• KT-63949 K2 IDE. Analyze hang on @Autowired constructor analysis
• KT-63087 K2 IDE: in .java source reference to JvmName names on unsigned type / value class are unresolved
• KT-64605 K2 IDE: usage of @Repeatable annotation in Java: false positive "Duplicate annotation"
• KT-64795 SLC: distinguish last v.s. non-last vararg value parameter type during binary resolution
• KT-61605 K2 IDE: Light elements do not obey platform contracts
• KT-57536 SLC: no need to populate members with expect modifier
• KT-64320 Decouple kotlin psi from java PSI
• KT-64282 Decouple KotlinIconProviderService from java PSI
• KT-63552 Symbol Light Classes don't support arrayOf and similar without parameters in property initializers and default parameter values

Apple Ecosystem

• KT-63821 Copy framework to BUILT_PRODUCTS_DIR in the embedAndSign task
• KT-67892 KotlinNativeLink task instantiates with a fixed list of apiFiles
• KT-64096 Diagnostic when embedAndSign used for framework with cocoapods-dependencies
• KT-66446 Diagnostic never showed, and build fails when CocoaPods dependency is used with embedAndSign task and linking type is dynamic
• KT-66445 Diagnostic never showed when CocoaPods dependency is used with embedAndSign task and linking type is static
• KT-62373 "Xcode higher than tested" diagnostic
• KT-63212 podInstall task fails without a proper diagnostic when xcodeproj gem is outdated

Backend. Native. Debug

• KT-65553 K2: Native: kt42208WithPassingLambdaToAnotherFunction test fails with K2
• KT-57365 [Native] Incorrect debug info on inline function call site

Backend. Wasm

New Features

• KT-65009 Generate TypeScript definitions for the @JsExport declarations in K/Wasm
• KT-58088 [PL] Support & enable partial linkage for Wasm
• KT-66327 Include information about particular Wasm target into KLib manifest

Fixes

• KT-66465 WASM support doesn't appear to be able to see some common declarations
• KT-66905 K/Wasm: support new version of exception handling proposal
• KT-66515 Wasm: "call param types must match" during the build
• KT-67435 K/Wasm: import.meta.url transforming into absolute local path in webpack
• KT-65777 Implement named export for Kotlin/Wasm
• KT-65660 [WasmJs] Support catching JS exceptions
• KT-65824 Wasm: Allow unsigned primitives to be used inside functions annotated with @JsExport
• KT-66103 Wasm: companion object is not initialized in test initializers1.kt
• KT-66471 Null method reference with Kotlin/Wasm on 2.0.0-Beta4
• KT-65210 K/Wasm ::class operator produces Number KClass for Short expression
• KT-66065 [Wasm] Make specialisations for closured primitive values
• KT-64890 K/Wasm compiler crash with external class and Kodein
• KT-66104 Wasm: compiler crash: NoSuchElementException: Sequence contains no element matching the predicate
• KT-65778 Create the same TypeScript tests infrastructure for Kotlin/Wasm that we have now for Kotlin/JS
• KT-65411 Kotlin/Wasm: Boolean boxed instances are not the same
• KT-65713 Kotlin/Wasm generates a wrapper that cannot run in Deno
• KT-63939 Kotlin/Wasm Support lazy associated object initialisation
• KT-61888 [Kotlin/wasm] in kotlin.test support for @AfterTest for async tests
• KT-64803 K/Wasm: non-capturing lambdas are not singleton unlike same lambdas in jvm
• KT-64449 K2: Implement K1WasmWasiCodegenBoxTestGenerated for K2
• KT-64829 K/Wasm: division remainder has a wrong sign
• KT-58852 WASM: two methods with different varargs: Class korlibs.template.dynamic.DynamicShape has 2 methods with the same signature [register(kotlin.Array)
• KT-61263 K/Wasm: add a way to turn on k2 in wasm examples using Compose
• KT-62863 Execution failed for task ':kotlinx-serialization-properties:wasmJsD8Test' in serialization in the K2 QG
• KT-62657 K/Wasm: switch to json repots for Kotlin Wasm Benchmarks
• KT-62147 [Kotlin/Wasm] Nothing typed when expression cause a backend error
• KT-61958 Update SpiderMonkey and return its usage in box tests when they switch to the final opcodes for GC and FTR proposals
• KT-60828 K/Wasm: return br_on_cast_fail usages
• KT-59084 WASM: "RuntimeError: illegal cast" caused by inline class and JsAny
• KT-60700 [WASM] test FirWasmCodegenBoxTestGenerated.testSuspendUnitConversion failed after KT-60259

Compiler

New Features

• KT-45375 Generate all Kotlin lambdas via invokedynamic + LambdaMetafactory by default
• KT-24664 No smartcast on stable property if receiver had non-null assertion
• KT-23915 Add smart cast to non-nullable type after elvis operator
• KT-61077 Support provideDelegate inference from var property type
• KT-59688 K2: consider removing smartcasts only from the only visibile property with specific name, not from all of them
• KT-7389 Intersection type for type parameter with multiple upper bounds in star projection
• KT-63477 Consider supporting builder-style type inference from Unit coercion of last statements in lambdas
• KT-61907 K2: builder inference works with assignments to member properties
• KT-61909 K2: builder inference infers correct types from assignments to extension properties
• KT-59551 K2: builder inference works with anonymous functions if builder parameter has a receiver with a postponed type variable
• KT-65443 [K/N] Implement header caches
• KT-4113 Smart casts for properties to not-null functional types at invoke calls
• KT-65681 K2: Improve error message of UPPER_BOUND_VIOLATED when upper bound is a captured type or other non-denotable type
• KT-32754 Choose existing extensions over additional built-ins members from JDK except overrides
• KT-57800 Support synthetic properties on super receiver
• KT-64350 K2: deprecate using typealias as a callable qualifier in imports
• KT-26565 Choose existing extensions over additional built-ins members from JDK
• KT-65478 JVM: Change inlined variable naming format
• KT-64702 Upper bound of type parameter is ignored when capturing of in-projection appears in out position
• KT-60274 K2: builder inference works through a delegated local variable inside builder argument
• KT-65859 Calls refinement extension point
• KT-15220 Reuse resolution results of common code for platform modules in multiplatform projects
• KT-60476 K2: False positive NO_VALUE_FOR_PARAMETER in platform code for value class with default parameter in common declaration
• KT-65153 K/N: extract liveness analysis to a separate phase
• KT-59098 Support -Xjdk-release=1.6/1.7 with -jvm-target 1.8
• KT-63670 Implement platform specific declaration clash diagnostics across all backends
• KT-62547 Introduce a language feature flag for smartcasts based on "memory" variables
• KT-60820 K1: Empty vararg value is inserted in serialized annotation call with expect default vararg value
• KT-58172 Forbid expect class A actual constructor
• KT-54443 Smart cast to non-null after safe-call in require
• KT-25747 DFA variables: propagate smart cast results from local variables
• KT-22997 Smart-cast should merge is-check for non-nullable type and a null check to a nullable type
• KT-22996 Smart casts should observe nullability after is-check with a nullable subject type
• KT-22004 Allow to resolve CONFLICTING_OVERLOADS with Deprecated(HIDDEN)
• KT-61955 Support more wider actual member visibility, if the expect member is effectively final
• KT-59504 K2 compiler does not require resolved 'componentX' functions for the placeholder ('_') variables in the destructuring declarations
• KT-62239 Allow enum entries without parentheses uniformly
• KT-11712 Smart cast is not applied for invisible setter

Performance Improvements

• KT-47545 NI: Slow type inference involving large when-expression (ConstraintInjector.processConstraints)
• KT-62714 Do not add nullability annotations to the methods of inner classes in enum entries
• KT-62903 Unoptimzied when compilation
• KT-67388 FP intellij: performance degradation in build 611
• KT-67507 K2: Slow compilation times when a class has a lot of possibly conflicting declarations
• KT-65005 K2: Investigate testCommonSuperTypeContravariant performance
• KT-65996 Compiler enters endless loop
• KT-66341 K2: Don't build IdSignatures in FIR2IR with IR f/o builder
• KT-66172 K2: Improve memory consumption of KtPsiSourceElement
• KT-50860 Combination of array set convention and plusAssign works exponentially
• KT-62798 'in' range checks are not intrinsified in kotlin-stdlib
• KT-65579 K2: performance regression in FP Space
• KT-61635 K2: getConstructorKeyword call in PsiRawFirBuilder.toFirConstructor forces AST load
• KT-62619 FIR: Checker performance regression due to MISSING_DEPENDENCY checkers
• KT-62044 Do not add nullability annotations to the methods of anonymous class
• KT-62706 Optimize KtSourceElement.findChild()
• KT-62513 Do not add nullability annotations to the methods of local classes
• KT-61991 K2: avoid redundant full body resolution for properties during implicit type phase
• KT-61604 [K/N] Bitcode dependency linking is slow for large compilations
• KT-61121 [K/N] Kotlin Native compiler performance is slow when generating large frameworks
• KT-57616 K2: Consider optimizing reversed versions of persistent lists in FirTowerDataContext

Fixes

• KT-67993 K2: PCLA Inference throws exception with local objects
• KT-61768 Wrong bytecode index in LineNumberTable when there is an incremental operation
• KT-63580 "AssertionError: access of const val: GET_FIELD" caused by const value and variable with delegation
• KT-63567 "NoSuchMethodError" on getting value of lazily initialized property by companion's const value
• KT-56078 K2: build kotlinx.coroutines
• KT-67609 K2: False negative INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR
• KT-57750 Report ambiguity error when resolving types and having the same-named classes star imported
• KT-65603 K2: No approximation is done on public, but effectively private property
• KT-59932 K2: Disappeared AMBIGUOUS_ANONYMOUS_TYPE_INFERRED
• KT-59906 K2: Disappeared CAPTURED_VAL_INITIALIZATION
• KT-53886 NoSuchMethodError exception in Kotlin/Native compiler
• KT-57678 K2: Inconsistency in how K2 analyzes unresolved code for loops and changing closures
• KT-57871 K1/K2 inconsistency on if-conditional without else-branch in parenthesis
• KT-56384 K2: build IntelliJ monorepo master branch
• KT-49191 Leaked integer literals from lambda with flexible return type
• KT-65812 K2: "OutOfMemoryError: Java heap space" in kotlin.utils.SmartList.add
• KT-67224 K2/Native: Member overrides different '@Throws' filter from separate module
• KT-65623 K2: Unresolved reference in connection with casts
• KT-64136 K2: NSME with Anvil compiler plugin
• KT-51241 Provide a error when override method has different set of context receivers
• KT-52920 Confusing "Multiple arguments applicable for context receiver" error message
• KT-67912 K2: Cannot inference type properly from inline function with Type parameter
• KT-68056 Prohibit referencing java field in case of conflict with property from companion object of the derived class
• KT-61129 K2: Implement error suppression warning
• KT-67367 K2: Incorrect resolution to top-level function with less specific signature in presence of SAM constructor on the same tower level
• KT-50179 Fix DUPLICATE_LABEL_IN_WHEN warning with new rules of complex boolean constants
• KT-45334 Prohibit referencing constructors of sealed classes by its inner members
• KT-59943 K2: Disappeared OPERATOR_MODIFIER_REQUIRED
• KT-67875 K2: Resolution ambiguity between Iterable and varargs
• KT-67699 Not enough information to infer type argument for 'Error' using Arrow's Raise context receiver since Kotlin 2.0.0-Beta3
• KT-67486 K2: Calling method from a Java (implementing a Kotlin class) with named parameters is no longer possible if Java method has different parameter names
• KT-66527 K2: type mismatch on override for type
• KT-59897 K2: Disappeared PACKAGE_OR_CLASSIFIER_REDECLARATION
• KT-50020 K2: False-negative USAGE_IS_NOT_INLINEABLE when lambda in receiver position
• KT-44557 Implement main function detection to FIR
• KT-67810 K2: public-API inline function cannot access non-public-API annotation enum
• KT-66447 Implement KT-59138 under a language feature
• KT-54862 Anonymous type can be exposed from private inline function from type argument
• KT-37592 Property invoke of a functional type with receiver is preferred over extension function invoke
• KT-51194 False negative CONFLICTING_INHERITED_MEMBERS when dependency class contained in two different versions of the same dependency
• KT-67221 K2: "new inference error [NewConstraintError at Incorporate TypeVariable" for captured type
• KT-66701 K2: Java interface method override via Kotlin class rejected
• KT-60604 K2: introduced NON_PUBLIC_CALL_FROM_PUBLIC_INLINE, @PublishedApi needed for constants in annotations
• KT-64309 Generate a variable mapping for continuation parameter in suspend methods just from the start
• KT-65438 K2: Introduce WEAKLY_HIDDEN concept to built-in-JDK content mapping
• KT-65235 JDK 21 might lead to change in overloads resolution
• KT-66768 K1: False positive UNRESOLVED_REFERENCE in super.getFirst/getLast call
• KT-67106 Platforms libs-dependant autotests for ObjC checkers
• KT-65440 K2: Mark all potential implementations of List.getFirst()/getLast() as deprecated independently of JDK
• KT-65594 K2: Type inference fails on NullMarked object with star type
• KT-62849 Unoptimised bytecode for Java synthetic property references
• KT-60174 JVM IR inline: accidental reification in various cases
• KT-57609 K2: Stop relying on the presence of @UnsafeVariance using for contravariant parameters
• KT-54316 Out-of-call reference to companion object's member has invalid signature
• KT-66976 Some value class diagnostics are missed
• KT-57426 Incorrect error message on inapplicable smartcast from alien property
• KT-55111 OptIn: forbid constructor calls with default arguments under marker
• KT-49856 Incorrect smartcast on var assigned in try-catch block
• KT-41237 ReturnsImplies contract for receiver of member function does not work (no smartcast)
• KT-37878 No Smart cast for class literal reference of nullable generic type
• KT-35846 Smart cast with unchecked cast leads to unresolved call that was resolved before (both old and new inference)
• KT-30867 Unsound smartcast if smartcast source and break is placed in for-in header as function arguments
• KT-30267 Inconsistent smart casts in while (true)
• KT-33917 Prohibit to expose anonymous types from private inline functions
• KT-28889 Smart cast does not work with boolean and infix function
• KT-54790 False positive NO_ELSE_IN_WHEN when all interfaces are sealed
• KT-54920 K2: when with a single branch stops being exhaustive the second time it's done
• KT-53364 False positive UNUSED_VARIABLE warning for variable that is used across multiple blocks
• KT-43234 False positive INVALID_IF_AS_EXPRESSION caused by if without else inside else inside synchronized()
• KT-38490 False negative INVALID_IF_AS_EXPRESSION with unreachable code and coercion to Unit
• KT-35510 No INVALID_IF_AS_EXPRESSION ("'if' must have both main and 'else' branches if used as an expression") diagnostic for if-expression with only one branch and Nothing type condition
• KT-34016 Contracts - variable cannot be initialized before declaration
• KT-56408 Inconsistent rules of CFA in class initialization block between K1 and K2
• KT-33829 False positive SENSELESS_COMPARISON with assignment in catch block
• KT-30717 False positive UNUSED_VARIABLE with local var used in inline lambda block with loop, return and other lambda
• KT-28232 RETURN_NOT_ALLOWED in inline lambda argument of '[... ]' operator convention
• KT-26116 No error when class member val is referenced in inline function before it is assigned later on
• KT-25311 Calls on error type values lead to false-positive unreachable code
• KT-24372 Misleading warning on unused setter parameter in some cases
• KT-23680 False positive UNREACHABLE_CODE on throw with a return inside finally clause
• KT-23502 When exhaustiveness is not checked for unreachable code, resulting in JVM back-end error
• KT-22621 "throw throw Exception()": False negative UNREACHABLE_CODE warning
• KT-22317 No INITIALIZATION_BEFORE_DECLARATION without primary constructor
• KT-67307 K2: "Cannot find cached type parameter by FIR symbol" in JpaRepository.saveAll
• KT-67185 K2: Incorrect coercion-to-Unit leading to CCE at runtime
• KT-64891 K2: consider supporting/forbidding foo.(bar)() syntax
• KT-59480 K2: build moko-resources
• KT-65771 K2: "IndexOutOfBoundsException: Cannot pop operand off an empty stack" when calling method imported using typealias as callable qualifier
• KT-67502 K2: "property must be initialized or be abstract" with try-finally in secondary constructor
• KT-67456 K2: "property must be initialized or be abstract" depending on constructor declaration order
• KT-63524 K2: "Not enough information to infer type argument"
• KT-67628 K2: "IllegalArgumentException: Expected nullable type" — alias of nullable type analyzed as non-nullable in type parameter
• KT-67625 K2: Array aliases can't be used as vararg values
• KT-67624 K2: False negative "The feature "break continue in inline lambdas" is experimental and should be enabled explicitly" in elvis operator
• KT-61787 K2 doesn't report warnings for some Gradle tasks
• KT-62550 K2: Different JVM signature of lambda with Unit return type
• KT-65120 K2 Consider turn into platform checkers ones which checks for objC
• KT-60271 K2: origins are not set on compare operators
• KT-28695 Compiler does not detect uninitialized property in lambda
• KT-67593 K2: false negative SUPER_CALL_WITH_DEFAULT_PARAMETERS
• KT-67484 K2: FIR2IR generates incorrect access to f/o of lateinit internal var
• KT-47382 JVM / IR: "AssertionError: Unbound private symbol IrFieldSymbolImpl" caused by string template in constructor and extension property
• KT-67581 K2: Compiler fails on actualizing abstract class with sealed Java class via type alias
• KT-49404 Fix type unsoundness for contravariant captured type based on Java class
• KT-22379 Condition of while-loop with break can produce unsound smartcast
• KT-67021 K2: Cannot find cached type parameter by FIR symbol: E of the owner: FirRegularClassSymbol Function
• KT-67014 K1/K2 handle when expression as annotation target differently
• KT-67254 K1/K2 both allow annotations on loops, assignments, array sets
• KT-66960 K2. KMP. False negative 'when' expression must be exhaustive without sealed class inheritor from common source-set
• KT-65578 K2: implement a deprecation warning for KT-57014 (wrong nullability returned from JDK SAM constructor lambda)
• KT-63466 @NonNull on a type-variable usage doesn't take precedence over a wildcard type argument
• KT-56134 K2: NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER diagnostic is reported for the wrong symbol
• KT-66196 Convert INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR to warning
• KT-66793 K2: "assigning single elements to varargs in named form is prohibited." caused by varargs supplied from java with elvis operator
• KT-59872 K2: Disappeared TYPE_MISMATCH
• KT-67192 K2: Disappeared TYPE_MISMATCH [3]
• KT-63319 K1/K2: inconsistent behavior around NullMarked and type parameter based types
• KT-59882 K2: Disappeared CANNOT_INFER_PARAMETER_TYPE
• KT-67191 K2: Disappeared TYPE_MISMATCH [4]
• KT-53752 Missed subtyping check for an intersection type
• KT-52628 Deprecate SAM constructor usages which require OptIn without annotation
• KT-54066 Deprecate upper bound violation in typealias constructors
• KT-64860 K2: Consider using different ConstraintPosition when fixing variables for PCLA
• KT-67189 K2: Disappeared TYPE_MISMATCH [5]
• KT-67551 K2: No wrong annotation target error for for statement
• KT-67374 K2: Object is not smartcasted to type parameter type
• KT-67264 K2: "argument type mismatch" with suspend lambda and java wildcard
• KT-63257 K2: FIR2IR inserts incorrect implicit cast for smartcasted variable
• KT-66902 K2: "Named arguments are prohibited for non-Kotlin functions" with Java interop
• KT-67311 K2: "Argument type mismatch" caused by lambda type when using named arguments
• KT-57011 Make real type of a destructuring variable consistent with explicit type when specified
• KT-62043 K2: Fix FirCompileKotlinAgainstCustomBinariesTest.testRawTypes
• KT-66256 K2: compiler FIR2IR crash on SAM-conversion to value parameter of in-projected type
• KT-67124 "Unstable inference behaviour with multiple generic lambdas" compilation error
• KT-59791 K2: Implement partially constrained lambda analysis
• KT-66743 Lambda receivers and anonymous function parameters of inaccessible types are allowed
• KT-67315 K2: Some default imports are not excluded
• KT-56126 Avoid using descriptors at JvmPlatformAnalyzerServices::computePlatformSpecificDefaultImports
• KT-66513 K2: Suppressing OPT_IN_USAGE_ERROR is now a warning in K2, preventing safe code gen compatible with -Werror
• KT-67233 False negative UNSAFE_CALL with type check after null coalescing with 'OR'
• KT-52802 Report ambiguity resolving between property/field and enum entry
• KT-64920 Json.encodeToString yields different results depending on whether typealias is used
• KT-58260 Make invoke convention work consistently with expected desugaring
• KT-67314 PCLA works inconsistently with smart-cast related CS forks
• KT-66797 K2 JS: Primary constructor property annotation with target VALUE_PARAMETER is put on property instead of parameter
• KT-55179 False negative PRIVATE_CLASS_MEMBER_FROM_INLINE on calling private class companion object member from internal inline function
• KT-54663 Projected types don't take into account in-place not null types
• KT-58191 K2: capturing closures successors that are already resolved (thanks to backward edges) must be taken into account for allowing smart casts
• KT-67144 K2: potential NPE when assigning to unstable vars
• KT-66971 K2: missing SMARTCAST_IMPOSSIBLE on open val declared in another module
• KT-66904 K2: possible NPE when reassigning captured variables
• KT-57031 operator assignment, increment/decrement should be considered as variable reassigning in terms of DFA. green in K1 -> red in K2 for unsound code
• KT-67212 K2: "Failed to find functional supertype for class org.jetbrains.kotlin.fir.types.ConeCapturedType"
• KT-67283 K2: No SAM conversion for fun interface with abstract toString
• KT-67318 Compiler fails with OutOfMemoryError on combination of PCLA+smart cast
• KT-66956 K2: false negative CONST_VAL_WITH_NON_CONST_INITIALIZER for inc/dec operators
• KT-64233 K2: K1/K2: ensure JVM ABI consistency for quality gates projects
• KT-63535 K2: Apply DFA implications for nullable Nothing to both sides
• KT-63413 K2 / kotlinx-atomicfu: "IllegalStateException: Expected some types"
• KT-62931 K2: extra class files for @OptionalExpectation marked annotations
• KT-34307 Confusing error message on lambda return type mismatch
• KT-62151 K2. overload resolution ambiguity for calls of Java record compact constructors
• KT-60732 K2 Scripting: TeamCity DSL test
• KT-65062 K2: build kotlinx.collections.immutable and pass to CI
• KT-59467 K2: build toolbox-enterprise
• KT-67205 K2: can't deserialize annotation with local class as argument
• KT-52175 K2: WRONG_ANNOTATION_TARGET for annotation that used inside if
• KT-65449 K2: build KAPT user project and pass it to CI
• KT-61384 IrFakeOverrideBuilder incorrectly checks visibility for friend modules
• KT-67142 K2: IrFakeOverrideBuilder: AbstractMethodError on raw type argument in a Java superclass
• KT-65105 K2 / Native: Member overrides different '@Throws' filter
• KT-62570 IncompatibleClassChangeError due to overriding final method
• KT-57812 K2: support serialization of type annotation's arguments
• KT-67190 K2: Disappeared TYPE_MISMATCH [2]
• KT-56683 K2: No control flow analysis for top-level properties
• KT-67188 K2: Disappeared TYPE_MISMATCH [6]
• KT-62063 K2: drop pre-release flag in 2.0-RC
• KT-67187 K2: Disappeared TYPE_MISMATCH [1]
• KT-66909 K2: Implement a diagnostic for returning null from a lambda with expected return type Unit!
• KT-66534 False positive ASSIGNMENT_TYPE_MISMATCH in lambdas with expected return type Unit!
• KT-63381 IrFakeOverrideBuilder: PublishedApi affects overridability of internal members
• KT-63836 K2: No deprecation error message in common metadata compilation
• KT-57618 K2: complex deprecation messages are not printed in the error
• KT-59856 K2: Check ConeDiagnostics that are not mapped to KtDiagnostics
• KT-57502 K2: Smart casts should be forbidden if variable that remembers the smart cast is declared by delegation
• KT-63967 K2: Missing getterSignature in metadata for script variables
• KT-59372 K2: Missing SELF_CALL_IN_NESTED_OBJECT_CONSTRUCTOR_ERROR
• KT-60526 K2: Fix the TODO in convertToIr.kt
• KT-67090 K2: Exception from metadata compilation when compiling class with annotations from dependencies
• KT-59479 K2: build KorGE
• KT-64502 K2: Internal error on calling function before declaration
• KT-62560 K2: KAPT4: annotation @ReplaceWith is missing a default value for the element 'imports'
• KT-67027 K2: Review all use-sites of annotation arguments utilities
• KT-65012 IR Evaluator: NoSuchFieldException when evaluating protected/private fields of superclasses
• KT-66953 K2: toByte() call on Char leads to ClassCastException for klib backends
• KT-60096 K2: Introduced API_NOT_AVAILABLE
• KT-59484 K2: build trustwallet sample
• KT-64151 K2: consider implementing FIR-level constant evaluation
• KT-65787 K2: "KotlinIllegalArgumentExceptionWithAttachments: Expected FirResolvedTypeRef with ConeKotlinType" caused by passing lambda expression with multiple labels to function
• KT-53629 K2: forbid multiple labels per statement
• KT-65255 K2 / KJS: "IllegalArgumentException: Candidate is not successful, but system has no contradiction"
• KT-65195 K2: Unexpected exception when executing dynamic array element inc/dec
• KT-63416 K2 / Contracts: False positive "Leaked in-place lambda" warning caused by suspend lambda with callsInPlace contract
• KT-66717 Incorrect diagnostics around intersection property overrides
• KT-63540 Restrict the CONFLICTING_OVERLOADS + DeprecatedLevel.HIDDEN ignore to final callables
• KT-56587 There are no warnings in some cases when Enum.entries is shadowed
• KT-65111 K2: Java star imports don't work in KJK interdependencies
• KT-63709 K2: Argument smartcasting impacting receiver and call resolution for implicit invoke
• KT-63530 K2: Disable passing data flow info from in-place lambdas
• KT-65377 K2: "Argument type mismatch" caused by approximated captured type argument of generic type
• KT-59400 K2: Missing CANNOT_INFER_VISIBILITY
• KT-62305 K2: Missing Fir metadata serialization support for scripts
• KT-64534 K2: org.jetbrains.kotlin.util.FileAnalysisException: Somewhere in file
• KT-57555 [LC] Forbid deferred initialization of open properties with backing field
• KT-65776 [LC] K2 breaks false && ... and false || ...
• KT-64641 K2: Change in inference of supertype of function types with receiver
• KT-65649 K2: IR has incorrect origins for some inplace updating operators
• KT-64295 Forbid recursive resolve in case of potential ambiguity on upper tower level
• KT-62866 K2: Change qualifier resolution behavior when companion object is preferred against static scope
• KT-55446 Change impact of private-to-this visibility to resolution
• KT-64255 Forbid accessing internal setter from a derived class in another module
• KT-64966 Forbid generic delegating constructor calls with wrong type for generic parameter
• KT-63389 K2: WRONG_ANNOTATION_TARGET is reported on incompatible annotations of a type wrapped into ()?
• KT-66748 K2: False-positive AMBIGUOUS_SUPER in toString
• KT-67013 K2: ClassCastException: class FirConstructorSymbol cannot be cast to class FirNamedFunctionSymbol
• KT-64872 K2: do-while condition able to access uninitialized variable
• KT-66350 K2: "IllegalStateException: Unsupported compile-time value STRING_CONCATENATION" when evaluating an annotation argument string
• KT-61798 K2 incorrectly calculates modality of property accessors
• KT-65035 IrFakeOverrideBuilder: AbstractMethodError on inheritance from Java subclass of CharSequence with inherited implementations
• KT-61579 K2: Inconsistent reporting UNINITIALIZED_VARIABLE for top-level properties
• KT-66730 K2: False positive RETURN_TYPE_MISMATCH in return statement in SAM constructor
• KT-66570 Generic wildcard upper bound inference error
• KT-65272 K2: invoke operator applies "restricted suspending call" error differently than K1
• KT-66148 K2. Sources of receivers updated twice because of PCLA
• KT-62525 K2: IllegalStateException: Can't find KotlinType in IrErrorType: IrErrorType(null)
• KT-64266 K2: don't report MISSING_DEPENDENCY_CLASS on lambda parameter for non-generic types
• KT-65300 K2: this-expressions in initializers and local declarations don't introduce type information to either BI or PCLA
• KT-66463 K2: false positive ACCIDENTAL_OVERRIDE_CLASH_BY_JVM_SIGNATURE
• KT-62356 Prohibit using property+invoke for iterator
• KT-63631 K2: constant value UByte.MAX_VALUE is incorrectly deserialized from metadata
• KT-65386 K2: Different signature of invoke for Unit lambda
• KT-60574 K2: generated IR for suspendCoroutineUninterceptedOrReturn is different from K1 (K2 uses Any? instead of Unit)
• KT-66512 K2: Incorrect diagnostic in lambda whose expected type is a type alias to Unit
• KT-66279 K2: False positive INITIALIZER_TYPE_MISMATCH with return Unit in a lambda with the expected type () -> Unit
• KT-66277 K2: False negative RETURN_TYPE_MISMATCH with empty return in lambda assigned to a property
• KT-66654 K2 FIR resolution: Mismatch between actual type and expected type for a value parameter when the parameter type is a function type with special function kind
• KT-66638 Cannot access properties of a generic type with wildcards
• KT-66690 K2: don't report MISSING_DEPENDENCY_CLASS on expression without errors for generic type arguments
• KT-66767 K2: Destructuring declaration inside initializer failure
• KT-63695 JVM: Don't use plugin extensions when compiling code fragment
• KT-65727 K2: add proper package for properties generated from destructuring declarations
• KT-64854 K2: Trying to access private field on runtime with contracts
• KT-65388 IrFakeOverrideBuilder - custom annotation is available in fake getter/setter
• KT-66595 K2: compiler FIR checking crash on destructuring declarations calling hidden componentN declarations
• KT-62129 K2: Verification error on calling an extension from an env with 2+ context receivers
• KT-41607 NI: UNSAFE_CALL caused by try catch block assigning to a nullable variable
• KT-63932 K2/Native codegen test failures around builder inference
• KT-66352 K2: difference between LL FIR and FIR for componentN functions
• KT-66686 K2 Script: Unresolved reference of script-specific entities on out-of-order resolve
• KT-65523 K2: add proper package for result$$ property
• KT-66699 Restore HostManager ABI
• KT-60533 Inliner incorrectly captures non-null value as null in coroutines
• KT-57925 K2: Consider removing FirEmptyContractDescription
• KT-61893 K2: should not resolve to Java function with Kotlin hidden-level deprecation
• KT-59669 K2: Explore assignments in in-place lambdas
• KT-66271 Fir: Deserialize classFile, functionFile and propertyFile from KlibMetadataProtoBuf
• KT-57957 K2: Symbol providers are frequently queried with error-named class IDs
• KT-66046 K2: false negative CANNOT_WEAKEN_ACCESS_PRIVILEGE on property
• KT-66677 K2: OVERRIDE_DEPRECATION isn't reported for WEAKLY_HIDDEN method toArray()
• KT-62793 K2: slightly different bytecode of suspend conversions
• KT-57244 K2: slightly different naming scheme for suspend conversion adapters
• KT-60256 K2: types are not substituted in suspend conversion
• KT-66673 K2/JS: FirJsInheritanceClassChecker doesn't expand type aliases to supertypes
• KT-66475 K2/KMP/Wasm: report WRONG_JS_INTEROP_TYPE from a platform checker
• KT-66474 K2/KMP/JS: report EXTERNAL_TYPE_EXTENDS_NON_EXTERNAL_TYPE from a platform checker
• KT-66473 K2/Wasm: FirWasmExternalInheritanceChecker doesn't expand type aliases
• KT-64407 Implement WriteSignatureTestGenerated for K2
• KT-64438 K2: Port CodegenTestCase to K2
• KT-64404 Implement WriteFlagsTestGenerated for K2
• KT-66491 K2 / KJS: "Name contains illegal characters." caused by backticks in import
• KT-66275 K2: false-positive "Java module does not depend on module" error on access to inherited member from twice-transitive dependency via class from transitive dependency
• KT-65801 IrFakeOverrideBuilder - visibility is lost for setter in KJK hierarchy
• KT-65576 K2: Incorrect resolution of variable+invoke when the property type is not computed
• KT-58575 Private Kotlin property prevents use of Java get- and set-methods from Java-Kotlin-Java hierarchy
• KT-61282 K2: Incorrect overridden function for java.nio.CharBuffer.get
• KT-65464 K2: False positive UNRESOLVED_REFERENCE on extension property call defined in KJK hierarchy
• KT-59470 K2: build KaMPKit
• KT-60510 Smartcast to functional type does not work in when exprssion
• KT-59677 K2: Report diagnostics about missing receiver for delegated constructor call to inner class
• KT-65183 K2: Remove workaround for @OnlyInputTypes and captured types with recursive supertypes from inference
• KT-66120 IrFakeOverrideBuilder: wrong return type in intersection with 3 classes
• KT-65939 IrFakeOverrideBuilder - nullability annotation is lost in intersection without annotation
• KT-59473 K2: build firebase-kotlin-sdk
• KT-66356 K2: type mismatch error when generic type with inaccessible generic type as type argument is produced and consumed by declarations from dependencies
• KT-65193 K2: "JAVA_TYPE_MISMATCH" caused by MutableList
• KT-66636 NoSuchMethodError: 'void org.jetbrains.kotlin.ir.expressions.impl.IrCompositeImpl. in the FLysto K2 QG
• KT-63941 K2: "IllegalStateException: Unsupported compile-time value STRING_CONCATENATION" caused by class reference in string expression as annotation parameter
• KT-65704 K2: computeCommonSuperType of flexible type with recursive captured type argument produces giant multi-level-deep type
• KT-65410 K2: ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED for 'removeAt' in KJK hierarchy
• KT-65184 K2: disappeared TYPE_MISMATCH for java collections
• KT-66392 K2: Exception in KJK hierarchy with implicit types
• KT-66551 Revert temporary commits after KT-62063 and bootstrapping
• KT-65218 FIR LL and DiagnosticFE10 tests start to fail in case of adding any new declaration into stdlib commonMain
• KT-66552 K2: build of intellij crashes the compiler
• KT-63746 K2: JSpecify: If a class has a @Nullable type-parameter bound, Kotlin should still treat unbounded wildcards like platform types
• KT-66504 K2: plusAssign operator call is resolved differently than function call
• KT-48515 JSpecify: If a class has a @Nullable type-parameter bound, Kotlin should still treat unbounded wildcards like platform types
• KT-57588 K2/Native: False positive '"CONFLICTING_OVERLOADS", "PARAMETER_NAME_CHANGED_ON_OVERRIDE" on overriding objc methods
• KT-58892 K2: Parcelize doesn't work in common code when expect annotation is actualized with typealias to @Parcelize
• KT-65882 K2: "KotlinNothingValueException" caused by unsafe cast and Nothing::class
• KT-66124 K2: Remove FirLambdaArgumentExpression and FirNamedArgumentExpression after resolution
• KT-65959 K2: Incorrect warnings about inline function impact
• KT-64994 K2: @Composable lambda type is not resolved from other modules
• KT-66048 K2: property becomes nullable in KJK hierarchy if base declaration has implicit return type
• KT-47843 No error reported on assigning "continue" to a companion object
• KT-47530 NI: Unexpected TYPE_MISMATCH when combining nested conditional and contravariant type argument
• KT-49583 NI: NullPointerException on compiling anonymous function returning a method reference
• KT-42782 NI: Smart casting for generic type doesn't work if the variable is already smart cast
• KT-38031 FIR: Discrepancy in call resolution for qualifiers with old FE
• KT-65789 K1/K2: Resolve change in constructor/top-level function ambiguity
• KT-66150 K2: expects type argument in super qualifier
• KT-60971 Incorrect "cannot inline bytecode built with JVM target ..." on property setter if only getter is inline
• KT-61514 K2: Build fake overrides using IR during Fir2IR
• KT-65584 K2: "Duplicate parameter name in a function type"
• KT-50008 JSpecify @Nullable annotation on type-parameter bound prevents type-variable usages from being platform types
• KT-37000 IndexOutOfBoundsException from TypeResolver on typealias with cyclic references
• KT-56988 CFG, smart casts: red in K1 -> green in K2 for invalid code
• KT-62118 FIR: "HashMap.entry" has invalid enhanced type
• KT-64840 K2: Bare type are not allowed for TV based values during PCLA
• KT-65415 K2: Stdlib K2 build error: IrConstructorSymbolImpl is already bound
• KT-66449 Make DiagnosticSuppressor a project-level extension
• KT-66411 FIR: Real source on fake block around assignment expression in the "when" branch affects resolve in K2 Analysis API and IDE
• KT-65249 K2: False positive modality is different for native compilation
• KT-65982 K2 Scripts cannot disambiguate declarations imported from default and explicit imports
• KT-65677 K2: Unable to resolve parent class from companion object
• KT-47310 Change qualifier resolution behavior when companion property is preferred against enum entry
• KT-41034 K2: Change evaluation semantics for combination of safe calls and convention operators
• KT-63529 K2: Compiler does not detect tailrec call with nullable type
• KT-66441 Remove symbol table from IR fake override builder in Fir2Ir
• KT-64846 K2: false negative CONFLICTING_JVM_DECLARATIONS on inheritance from Java collection subclass with a conflicting override
• KT-62312 [K2/N] revert putting stdlib to the beginning of libraries list in the compiler
• KT-58203 K2: false-negative incompatible types error on is-check with unrelated type
• KT-65722 K2: Property reference refers to non-existent functions
• KT-65878 K2: "ClassCastException" when passing nun-suspend lambda to SAM constructor with named argument
• KT-66379 K2: No extra message in UPPER_BOUND_VIOLATED for cases with CapturedType
• KT-59475 K2: build nowinandroid
• KT-65926 K2: add tests for all fixed-in-k2 / not-reproducible-in-k2 unresolved issues
• KT-59481 K2: build aws-sdk-kotlin + smithy-kotlin
• KT-65022 K2: Compiler crashes when array literal is used in delegate expression
• KT-62836 K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
• KT-64727 K1: Closing bracket of object inside crossinline lambda or inside lambda in inline function is not hit on step-over
• KT-64726 K1: Cannot stop on closing bracket of crossinline lambda inside of another crossinline lambda
• KT-64725 K1: Cannot stop on closing bracket of lambda of inline-only function
• KT-66272 Could not load module with a combination of type parameters
• KT-66243 Could not load module in a builder inference with lambda with typed parameter
• KT-66229 Could not load module in a builder inference with Map.Entry
• KT-66313 K2: declaration-order-dependent false-positive "recursive problem in type checker" error on getX declaration with implicit return type that calls x declaration via intermediate declaration in getX's expression body
• KT-61041 K2: Consider getting rid of confusing shouldRunCompletion and shouldAvoidFullCompletion function in FirInferenceSession
• KT-66267 K2: generic function's type parameter is erased if present as type argument in type of callable reference to member of generic function's local class
• KT-61448 K2: Disappeared DEPRECATION in testWithModifiedMockJdk
• KT-60106 K2: Introduced REIFIED_TYPE_FORBIDDEN_SUBSTITUTION
• KT-58279 K2. False-negative Smart cast to is impossible, because is a public API property declared in different module for Java static field
• KT-61626 K2: Module "com.soywiz.korlibs.kmem:kmem" has a reference to symbol korlibs.memory/Buffer|null[1]
• KT-57427 Fix inconsistencies in name manglers that use different declaration representations
• KT-66258 K2: accessor-targeted @Suppress annotation is ignored on primary constructor property
• KT-29559 Smart Cast functionality doesn't behave in an expected way in all cases
• KT-60777 K2: missing INLINE_FROM_HIGHER_PLATFORM
• KT-66260 K2: false-positive "abstract function in non-abstract class" error on abstract member function of open interface
• KT-66067 K2: different overrides are created in a complex hierarchy with raw types and upper-bounded type parameters
• KT-65821 K2: [NONE_APPLICABLE] None of the following functions is applicable: [constructor(message: String?): Throwable, constructor(cause: Throwable?): Throwable, constructor(): Throwable, ...]
• KT-66268 K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl
• KT-63563 K2: False negative RETURN_TYPE_MISMATCH with empty return
• KT-60797 K2: implement JAVA_MODULE_DOES_NOT_EXPORT_PACKAGE
• KT-28159 Smartcasts don't work with Nothing? values (Nothing? considered a null constant => an unstable value)
• KT-28262 Smartcasts for reference equality don't work if explicit true check is used
• KT-66000 K2: inherited inline getter has not been inlined
• KT-66158 K2: not nullable return type for upper-bounded kotlin type parameter in KJK hierarchy
• KT-57268 K2: extra methods remove and/or getOrDefault are generated for Map subclasses with JDK 1.6 in dependencies
• KT-63577 K2: false-positive "wrong number of type arguments" error on callable reference to member of generic function's local class
• KT-62352 jspecify NonNull annotation seems not supported
• KT-65636 PowerAssert: Negative contains operator not aligned correctly in K2
• KT-64271 K2: Wrong overriddenSymbols for toString of data class
• KT-62779 K2: Difference in fake override generation
• KT-61941 K2: FIR2IR incorrectly generates f/o structure for complex java/kotlin hierarchies with remapped jvm declarations
• KT-60283 K2: fake override for java static method is not generated
• KT-65095 K2: no bridge generated for getOrDefault when inheriting from Java Map implementation
• KT-57301 K2: getOrDefault and bridges are not generated for certain Map subclasses
• KT-50916 K2: store resolved type inside ConeStubType after builder inference
• KT-65857 K2: java.lang.IllegalArgumentException: Unknown visibility: unknown
• KT-66174 -Xjdk-release 6 and 7 have a misleading error message
• KT-66175 Wrong supported options list for -jvm-target compiler option
• KT-58814 Too eager subtype inference in when expression
• KT-65408 K1: "There are still 2 unbound symbols after generation of IR module" caused by data object's copy function usage
• KT-65844 False Positive "This class can only be used as an annotation or as an argument to @OptIn" when passing as an array
• KT-58697 K2: Tests: Assert no dump files exist when dump directive isn't present
• KT-63258 NPE with function reference from within lambda during init
• KT-60597 K1: IllegalArgumentException: fromIndex(0) > toIndex(-1) when wrapping receiver with backticks
• KT-33108 USELESS_CAST false positive for cast inside lambda
• KT-58458 K1: "java.lang.NullPointerException" with 'var equals' or 'val equals' as argument in when
• KT-58447 K1: "AssertionError: Recursion detected on input" with @ParameterName and extension
• KT-41013 OVERLOAD_RESOLUTION_AMBIGUITY for functions takes lambda: can not resolve it, but only named lambda parameter
• KT-56032 [LC issue] Incorrect wrapping when passing java vararg method to inline function
• KT-65588 K2: typealias of primitive type in vararg causes ABI incompatibility
• KT-23873 Indexed access operator can cause false USELESS_CAST warning
• KT-31191 Contract not smartcasting for extension functions in if-statement with multiple conditions
• KT-28725 ReenteringLazyValueComputationException during resolution & inference
• KT-35429 ReenteringLazyValueComputationException when accessing property with same name
• KT-63826 K2: expect for expect crashes the compiler
• KT-25668 False-positive error on restricted suspending function call with callable reference
• KT-18055 SMARTCAST_IMPOSSIBLE on mutable data class variable with a read-only property
• KT-15904 Improve error message when type of generic extension call is inferred from receiver
• KT-66186 K1 diagnostics miss some reporting messages
• KT-65101 Generics behaving different when parenthesized
• KT-63444 TYPE_MISMATCH caused by Inner class with nullable type and star projection
• KT-62022 K1 False positive EXPOSED_FUNCTION_RETURN_TYPE on generics with anonymous object types
• KT-58751 Definitely non-nullable type gets lost with star projection
• KT-56624 "Unresolved reference" with import alias and enum constructor call
• KT-54726 K1: StackOverflowError on mutually recursive typealiases
• KT-35134 False negative INCOMPATIBLE_TYPES, EQUALITY_NOT_APPLICABLE when comparing smartcast value to Boolean
• KT-20617 Qualified this@property does not work in extension properties with body expression
• KT-10879 OVERLOAD_RESOLUTION_AMBIGUITY for synthetic property accessor with smartcasted receiver
• KT-26768 K1 IDE: False positive "Smart cast to '$CLASS$' is impossible", on local variable in run closure
• KT-63525 K2: "IllegalStateException: Fake override should have at least one overridden descriptor" caused by unreachable code
• KT-65333 K2: UNRESOLVED_REFERENCE for java inner class in intersection scope
• KT-61060 K2: Rewrite delegate inference
• KT-63712 Make it possible to add new stdlib API with SinceKotlin(2.0)
• KT-63741 K2: fix visibility inference with overridden + inherited member
• KT-64488 K2: False positive DEPRECATED_ACCESS_TO_ENTRY_PROPERTY_FROM_ENUM with context receivers
• KT-62283 K2: build Dokka with K2 user project and pass it to CI
• KT-57585 K2/MPP: false-negative errors on expect/actual modifiers mismatch
• KT-66077 IrFakeOverrideBuilder: NPE from IrJavaIncompatibilityRulesOverridabilityCondition.doesJavaOverrideHaveIncompatibleValueParameterKinds
• KT-57044 K2 LL Tests: false-positive 'Overload resolution ambiguity between candidates: [@Override() fun test(): Unit , fun test(): Unit]'
• KT-66020 K2: ISE "IrPropertySymbolImpl is unbound. Signature: null" on a property with getter with @JvmName
• KT-62135 K2, KLIB: Classes are still sorted before serializing them to metadata
• KT-65866 [K/N] Fix java.lang.IllegalArgumentException: Unknown visibility: unknown
• KT-66005 K2: "Should not be here: class org.jetbrains.kotlin.fir.expressions.impl.FirResolvedReifiedParameterReferenceImpl" on incorrect comparison of reified type parameter
• KT-65840 [K2] Initializer type mismatch: expected 'Type', actual 'Type'
• KT-65002 K2: Incorrect suspend conversion if argument is an aliased functional type
• KT-65984 K2 scripting: failure on processing SUPPRESS annotation in the last script statement
• KT-65680 K2: Class redeclaration leads to BackendException during IR fake override builder
• KT-66028 K2: Convert FirExpectActualDeclarationChecker to platform checker
• KT-65592 K2: IrFakeOverrideBuilder: ISE "should not be called" on diamond hierarchy with explicit dependency on annotations.jar
• KT-65277 IrFakeOverrideBuilder: NPE from IrJavaIncompatibilityRulesOverridabilityCondition.doesJavaOverrideHaveIncompatibleValueParameterKinds
• KT-65983 K2 gradle scripting: "'val' cannot be reassigned" errors
• KT-60452 K2 Scripting: implement overriding of the script params
• KT-65975 K2: Implicit receivers resolution order in K2 scripting
• KT-60249 K2: No unit coercion generated for loops body
• KT-65937 K2: order of enum entries changed
• KT-65933 K2: Type missmatch in arrays in annotations
• KT-65343 JVM IR: Source parameter is lost when copying with DeepCopyIrTreeWithSymbols
• KT-65103 K2: IllegalArgumentException: IrErrorCallExpressionImpl(5388, 5392, "Unresolved reference: R?C|/cont|") found but error code is not allowed
• KT-62788 K2: difference in annotation inheritance in overriddings
• KT-65669 K2: ClassCastException class FirDeclarationStatusImpl cannot be cast to class FirResolvedDeclarationStatus
• KT-65493 IrFakeOverrideBuilder: difference in return type for intersection with raw type
• KT-65207 IrFakeOverrideBuilder - nullable return type for intersection override
• KT-65972 Fix problems related to Unknown visibility in [FP] intellij
• KT-65246 K2: Overiding java method that takes vararg parameter causes WRONG_NULLABILITY_FOR_JAVA_OVERRIDE warning
• KT-59883 K2: Disappeared INVALID_IF_AS_EXPRESSION
• KT-57300 K2: subclass of MutableCollection with primitive element type has methods with boxed type
• KT-58476 Context receivers: "No mapping for symbol: VALUE_PARAMETER" with context-receiver inside suspended lambda calling another suspended function
• KT-52213 Context receivers: "No mapping for symbol: VALUE_PARAMETER" caused by contextual suspending function type with receiver
• KT-56545 Fix incorrect functions mangling in JVM backend in case of accidental clashing overload in a Java subclass
• KT-13650 Right-hand side of a safe assignment is not always evaluated, which can fool smart-casts
• KT-61823 K2: Render list of declarations in diagnostic messages with linebreak as separator
• KT-65302 IrFakeOverrideBuilder - missing @EnhancedNullability
• KT-65241 K2: [LT] Compiler crash on assignment expression with incorrect lvalue
• KT-60006 K2: Disappeared EXPRESSION_EXPECTED
• KT-65817 K2: Check if callable reference vararg adaption can be affected by primitive type aliases
• KT-62847 K2: Introduce FIR node for SAM conversion
• KT-65920 K2: no field for delegation is created
• KT-65487 K2: Different fake overrides and false positive NOTHING_TO_OVERRIDE for intersection/override with Collection.remove
• KT-65460 Don't compare order of functions in IR dump
• KT-64276 [K/N][K2] K2 behaviorial difference with inconsistent inheritance of ObjCName
• KT-65572 [K/N][K2] INCOMPATIBLE_OBJC_NAME_OVERRIDE error message changed from K1
• KT-63420 Prevent weakening visibility in implicit overrides
• KT-64635 K2: "KotlinIllegalArgumentExceptionWithAttachments: Expected expression 'FirAnonymousFunctionExpressionImpl' to be resolved" when provideDelegate is extension of function with receiver
• KT-63879 K2: Redundant flag declaresDefaultValue for parameter of function inherited from delegate
• KT-56744 Prepare language committee ticket about DFA/Smart-cast related changes in K2
• KT-65790 K2: Move check for private-to-this visibility into checker
• KT-65551 K2: Property redeclaration on native compilation leads to NotImplementedError
• KT-65770 K2: Diagnostic rendering of vararg Foo parameter produces vararg Array<Foo>
• KT-65555 K2: must override 'spliterator' because it inherits multiple implementations for it
• KT-59921 K2: Disappeared NULL_FOR_NONNULL_TYPE
• KT-65290 K2: No override for FUN DEFAULT_PROPERTY_ACCESSOR
• KT-19446 False positive "Smart cast to 'Foo' is impossible" due to same variable names in different closures
• KT-65337 K2: False positive UNRESOLVED_REFERENCE when lambda labeled by illegal label and operator-invoked
• KT-65448 K2: fake overrides are not generated for 'containsAll', 'removeAll', 'retainAll' if inherited from raw type
• KT-65298 K2: not nullable return type and parameter for raw types
• KT-63377 K2: conflict between type parameter and nested class
• KT-63286 K2: Top-level properties in scripts are missing initialization checks
• KT-59744 K2: false negative VAL_REASSIGNMENT in case of reassignment inside custom setter
• KT-58579 K2: false-positive new inference error on invoking a generic function on Java wildcard type bounded by raw-typed Java inner class
• KT-60258 Support java-kotlin interop for @SubclassOptInRequired
• KT-60262 Support for inter-module interaction for @SubclassOptInRequired
• KT-62878 K2: missing implicit coercion to unit
• KT-59715 K2: Check behaviour of property + operator in operator position
• KT-63441 IrFakeOverrideBuilder: "accidental override" when implementing a Java function taking an array parameter
• KT-65706 K2: IrFakeOverrideBuilder: ISE "Fake override should have at least one overridden descriptor" on J-K-J-K hierarchy with interface delegation
• KT-61362 K2: Properties/fields are missing from system libraries
• KT-63344 K2: False positive ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED
• KT-58845 K2: SAM checker can run incorrectly in presence of an expect supertype
• KT-61843 K2: Missing TYPE_MISMATCH for nested array literals
• KT-62752 expect-actual matcher/checker: return type must be "checking" incompatibility
• KT-59887 K2: Disappeared ACTUAL_MISSING
• KT-65604 K2: INAPPLICABLE_JVM_NAME: effective modality
• KT-65637 Prepare documentation for PCLA implementation
• KT-65341 K2: "Cannot find cached type parameter by FIR symbol" caused by not-null assertion operator inside string in throw
• KT-49283 Support contribution type info from a nested builder inference call
• KT-64077 K2: Builder inference ignores constraints from nested builder inference
• KT-49160 Couldn't infer a type argument through several builder inference calls broken by a local class
• KT-63827 K2: Array += desugaring doesn't have origin
• KT-65057 K2: Wrong type inferred in code with heavy use of generics
• KT-63514 ISE “Inline class types should have the same representation: [I != I” during compilation on submitting UIntArray to vararg
• KT-61088 K2: return types of non-last-expression calls to @PolymorphicSignature methods inside try-expressions don't resolve to void when required
• KT-62476 K2: Enable building fake overrides by ir on non-JVM targets
• KT-59839 Prohibit header and impl in MPP
• KT-61310 K2: "Not enough information to infer type variable R" for transformLatest
• KT-63733 Builder-style type inference can't resolve to extension overloads when they're more applicable than member ones
• KT-57707 K1: inconsistent TYPE_MISMATCH in builder inference
• KT-55057 Builder inference changes behaviour sporadically based on BI annotation on unrelated call
• KT-60663 Builder inference does not work inside a nested unrelated builder inference lambda
• KT-53639 TYPE_MISMATCH: compiler can't infer the list's type when using buildList {} builder or Collection#isNotEmpty
• KT-60291 K2: "IllegalStateException: Cannot serialize error type: ERROR CLASS: Cannot infer argument for type parameter T" during FIR serialization
• KT-65033 K2: Fir2LazyIr: Lazy type aliases not supported
• KT-57709 Inconsistent extension function call resolution in builder inference
• KT-53740 Builder inference with multiple lambdas leads to unsound type
• KT-60877 Builder inference from the null literal results in Nothing instead of Nothing? for producing positions of the postponed type variable
• KT-53553 Builder inference: inconsistent types in different lambda scopes
• KT-54400 K2: builder inference does not work with assignments of literals to member properties
• KT-63840 Builder inference fails on calls to identity-shaped functions with postponed type variables inside select-constructions
• KT-65262 K2: Exception in DFA for combination of try-finally + PCLA + DI
• KT-58169 K2: make equals bounded smart casts work the same as in K1
• KT-64967 K2: false positive TYPE_MISMATCH with generic type parameters
• KT-64102 K2: Missing (disappeared in this case) DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETER_ERROR
• KT-63988 K2: Reflection cannot find type of local class of local class
• KT-63901 K2: Different naming of inner class in metadata
• KT-63655 K2: incorrect short class name in metadata for anonymous object inside a local class
• KT-59664 Inline modifier can be added to a constructor parameter, but it does not have any effect
• KT-59418 K2: Missing DUPLICATE_PARAMETER_NAME_IN_FUNCTION_TYPE
• KT-63612 K2: Class is not abstract and does not implement abstract member
• KT-63737 Wasm: revise external declaration FE checker for WASI mode
• KT-59782 K2: Forbid local delegated properties with private accessors in public inline functions
• KT-65482 K2: NoSuchFieldError due to using unboxed type
• KT-61182 Unit conversion is accidentally allowed to be used for expressions on variables + invoke resolution
• KT-62998 Forbid assignment of a nullable to a not-null Java field as a selector of unsafe assignment
• KT-63208 K2: Implement deprecation cycle and fix missing errors for error-level nullable arguments of warning-level Java types
• KT-57600 Forbid overriding of Java method with raw-typed parameter with generic typed parameter
• KT-63147 K2: False negative DSL_SCOPE_VIOLATION when member is annotated with @LowPriorityInOverloadResolution
• KT-62134 K2: handle non-simple types during FirStatusResolver.isPrivateToThis check
• KT-42020 Psi2ir: IllegalStateException: "IrSimpleFunctionPublicSymbolImpl for public [...] is already bound" on generic function whose substitution leads to IdSignature clash

See the full 2.0.0 ChangeLog here - https://github.com/JetBrains/kotlin/blob/2.0.0/ChangeLog.md

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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [org.jetbrains.kotlin:kotlin-maven-plugin](https://kotlinlang.org/) ([source](https://github.com/JetBrains/kotlin)) | build | major | `1.9.25` -> `2.1.10` | --- ### Release Notes <details> <summary>JetBrains/kotlin (org.jetbrains.kotlin:kotlin-maven-plugin)</summary> ### [`v2.1.10`](https://github.com/JetBrains/kotlin/blob/HEAD/ChangeLog.md#2110) [Compare Source](https://github.com/JetBrains/kotlin/compare/v2.1.0...v2.1.10) ##### Compiler - [`KT-73858`](https://youtrack.jetbrains.com/issue/KT-73858) Compose / iOS: NullPointerException on building - [`KT-73454`](https://youtrack.jetbrains.com/issue/KT-73454) K2: Fix type parameters mapping for typealiases with inner RHS - [`KT-73043`](https://youtrack.jetbrains.com/issue/KT-73043) K2 Compiler does not allow references to inner constructors with typealiases - [`KT-74040`](https://youtrack.jetbrains.com/issue/KT-74040) Compilation of inner class usage does not check the visibility of parent class during compilation in different rounds - [`KT-73339`](https://youtrack.jetbrains.com/issue/KT-73339) K2: "VerifyError: Bad type on operand stack" because of missing implicit cast on generic field receiver with star projection - [`KT-72585`](https://youtrack.jetbrains.com/issue/KT-72585) K2: Compilation failure when upgrading to Kotlin 2.0.20+: Cannot replace top-level type with star projection: S - [`KT-73399`](https://youtrack.jetbrains.com/issue/KT-73399) compile-time JVM codegen failure on a KProperty argument of a KSuspendFunction parameter - [`KT-72725`](https://youtrack.jetbrains.com/issue/KT-72725) KMP: Unsupported actualization of inherited java field in expect class - [`KT-73153`](https://youtrack.jetbrains.com/issue/KT-73153) K2: Standalone diagnostics on type arguments are not reported ##### Compose compiler - [`CMP-5680`](https://youtrack.jetbrains.com/issue/CMP-5680) Compose compiler: unexpected stability warnings for classes compiled with 2.0.10 - [`b/381407900`](https://issuetracker.google.com/issues/381407900) Avoid adding Compose annotations on synthetic classes ##### IR. Inlining - [`KT-73981`](https://youtrack.jetbrains.com/issue/KT-73981) Cherry-pick the fix for KT-73482 to 2.1.10 ##### JavaScript - [`KT-70778`](https://youtrack.jetbrains.com/issue/KT-70778) Kotlin Js companion is undefined in production build - [`KT-73130`](https://youtrack.jetbrains.com/issue/KT-73130) KJS: Missed `break` for do/while in generated JS code - [`KT-58797`](https://youtrack.jetbrains.com/issue/KT-58797) Optimize the code generated for objects on JS and Wasm backends ##### Klibs - [`KT-70146`](https://youtrack.jetbrains.com/issue/KT-70146) \[KLIB Resolve] Don't fail on nonexistent transitive dependency - [`KT-73951`](https://youtrack.jetbrains.com/issue/KT-73951) Workaround for "Partial linkage engine may not patch some discrepancies in IR when compiling Kotlin/Native static caches" in 2.1.10 ##### Native - [`KT-73559`](https://youtrack.jetbrains.com/issue/KT-73559) K/Native: AndroidNativeArm64 linking fails starting from Kotlin 2.1.0 ##### Tools. CLI - [`KT-73967`](https://youtrack.jetbrains.com/issue/KT-73967) JDK 25: "IllegalArgumentException: 25-ea" with EA builds ##### Tools. Daemon - [`KT-73311`](https://youtrack.jetbrains.com/issue/KT-73311) "Unable to release compile session, maybe daemon is already down" flakiness ##### Tools. Gradle - [`KT-73728`](https://youtrack.jetbrains.com/issue/KT-73728) 'generatePomFileForMavenPublication' creates pom with dependencies with 'unspecified' version ##### Tools. Gradle. Multiplatform - [`KT-73620`](https://youtrack.jetbrains.com/issue/KT-73620) KMP 2.1.0: Transitive dependency is broken when setting publication groupId ##### Tools. Gradle. Native - [`KT-73572`](https://youtrack.jetbrains.com/issue/KT-73572) \[Gradle] `kotlin.native.cacheKind=none` doesn't work anymore - [`KT-71419`](https://youtrack.jetbrains.com/issue/KT-71419) Light bundle KGP IT run against a stable K/N version ### [`v2.1.0`](https://github.com/JetBrains/kotlin/blob/HEAD/ChangeLog.md#210) [Compare Source](https://github.com/JetBrains/kotlin/compare/v2.0.21...v2.1.0) ##### Analysis API ##### New Features - [`KT-68603`](https://youtrack.jetbrains.com/issue/KT-68603) KotlinDirectInheritorsProvider: add an option to ignore non-kotlin results ##### Performance Improvements - [`KT-70757`](https://youtrack.jetbrains.com/issue/KT-70757) Performance problem in KaFirVisibilityChecker for KaFirPsiJavaClassSymbol ##### Fixes - [`KT-70437`](https://youtrack.jetbrains.com/issue/KT-70437) Class reference is not resolvable - [`KT-57733`](https://youtrack.jetbrains.com/issue/KT-57733) Analysis API: Use optimized `ModuleWithDependenciesScope`s in combined symbol providers - [`KT-72389`](https://youtrack.jetbrains.com/issue/KT-72389) K2: False positive "Redundant 'protected' modifier" for protected property inside protected constructor from private or internal class - [`KT-69190`](https://youtrack.jetbrains.com/issue/KT-69190) K2: False-positive "redundant private modifier" - [`KT-64984`](https://youtrack.jetbrains.com/issue/KT-64984) Analysis API: Support Wasm target - [`KT-70375`](https://youtrack.jetbrains.com/issue/KT-70375) K2: NPE at org.jetbrains.kotlin.analysis.api.fir.symbols.KaFirNamedClassSymbolBase.createPointer - [`KT-71259`](https://youtrack.jetbrains.com/issue/KT-71259) K2 evaluator: Invalid smart cast info collecting for Code Fragments - [`KT-69360`](https://youtrack.jetbrains.com/issue/KT-69360) Lack of implicit receiver for the last statement under lambda in scripts - [`KT-70890`](https://youtrack.jetbrains.com/issue/KT-70890) Analysis API: Experiment with weak references to LL FIR/analysis sessions in session caches - [`KT-70657`](https://youtrack.jetbrains.com/issue/KT-70657) Analysis API: Inner types from classes with generics are incorrectly represented by the compiled jars - [`KT-71055`](https://youtrack.jetbrains.com/issue/KT-71055) Suspend calls inside 'analyze()' break the block guarantees - [`KT-70815`](https://youtrack.jetbrains.com/issue/KT-70815) Analysis API: Implement stop-the-world session invalidation - [`KT-69819`](https://youtrack.jetbrains.com/issue/KT-69819) K2 IDE: LHS type in callable references is unresolved when it has type arguments and is qualified - [`KT-68761`](https://youtrack.jetbrains.com/issue/KT-68761) Analysis API: Experiment with limited-size cache in `KaFirSessionProvider` - [`KT-70384`](https://youtrack.jetbrains.com/issue/KT-70384) Analysis API Standalone: The same class in the same two renamed jars is unresolved - [`KT-71067`](https://youtrack.jetbrains.com/issue/KT-71067) Exceptions from references cancel Find Usages - [`KT-69535`](https://youtrack.jetbrains.com/issue/KT-69535) Redesign 'containingSymbol' - [`KT-71025`](https://youtrack.jetbrains.com/issue/KT-71025) K2 IDE: Scopes in "importingScopeContext" have reversed ordering and "indexInTower" values - [`KT-67483`](https://youtrack.jetbrains.com/issue/KT-67483) K2 IDE: Serializable plugin causes infinite resolve recursion when there is a star import from a class with annotation call - [`KT-69416`](https://youtrack.jetbrains.com/issue/KT-69416) K2 IDE / Completion: “No classifier found” on simple value creating - [`KT-70257`](https://youtrack.jetbrains.com/issue/KT-70257) CCE: class kotlin.UInt cannot be cast to class java.lang.Number - [`KT-70376`](https://youtrack.jetbrains.com/issue/KT-70376) K2 IDE / Kotlin Debugger: IAE “Only componentN functions should be cached this way, but got: toString” on evaluating toString() method for value class - [`KT-70264`](https://youtrack.jetbrains.com/issue/KT-70264) AA: service registration via XML fails with AbstractMethodError in Lint CLI - [`KT-69950`](https://youtrack.jetbrains.com/issue/KT-69950) Analysis API: Introduce `isSubtypeOf(ClassId)` - [`KT-68625`](https://youtrack.jetbrains.com/issue/KT-68625) K2: “`lazyResolveToPhase(STATUS)` cannot be called from a transformer with a phase STATUS.” - [`KT-67665`](https://youtrack.jetbrains.com/issue/KT-67665) K2: contract violation for value class with a constructor parameter with an implicit type - [`KT-67009`](https://youtrack.jetbrains.com/issue/KT-67009) Analysis API: Add abbreviated type tests for type aliases from source modules - [`KT-69977`](https://youtrack.jetbrains.com/issue/KT-69977) KaFirFunctionalType#getAbbreviation is always null - [`KT-68341`](https://youtrack.jetbrains.com/issue/KT-68341) Analysis API: Expanded function types from libraries don't have an abbreviated type - [`KT-68857`](https://youtrack.jetbrains.com/issue/KT-68857) Analysis API: Refactor annotations - [`KT-70386`](https://youtrack.jetbrains.com/issue/KT-70386) Do not filter out overloads from different libraries in dangling files - [`KT-65552`](https://youtrack.jetbrains.com/issue/KT-65552) K2: CANNOT_CHECK_FOR_ERASED in KtTypeCodeFragment - [`KT-65803`](https://youtrack.jetbrains.com/issue/KT-65803) K2: Analysis API: KtFirTypeProvider#getSubstitutedSuperTypes throws an exception in the case of "Wrong number of type arguments" - [`KT-68896`](https://youtrack.jetbrains.com/issue/KT-68896) Support VirtualFile binary dependency inputs to Analysis API modules - [`KT-69395`](https://youtrack.jetbrains.com/issue/KT-69395) K2 IDE: incorrect overload selection from binary dependencies in a shared native source set - [`KT-68573`](https://youtrack.jetbrains.com/issue/KT-68573) ISE: "Unexpected constant value (kotlin/annotation/AnnotationTarget, CLASS)" at Kt1DescUtilsKt.toKtConstantValue() - [`KT-69576`](https://youtrack.jetbrains.com/issue/KT-69576) Analysis API: FIR implementation of "isImplicitReferenceToCompanion" returns false for companion references in implicit invoke operator calls - [`KT-69568`](https://youtrack.jetbrains.com/issue/KT-69568) Analysis API: FIR implementation of "isImplicitReferenceToCompanion" returns true for non-companion references in qualified calls - [`KT-69436`](https://youtrack.jetbrains.com/issue/KT-69436) Analysis API Platform: Encapsulate `LLFirDeclarationModificationService` as an engine service - [`KT-63004`](https://youtrack.jetbrains.com/issue/KT-63004) K2: Analysis API: Design API for querying declarations generated by compiler plugins (similar to indices) - [`KT-69452`](https://youtrack.jetbrains.com/issue/KT-69452) AA FIR: wrong source PSI after compile-time evaluation - [`KT-69598`](https://youtrack.jetbrains.com/issue/KT-69598) AA: definitely not-null type at receiver position should be wrapped in parenthesis - [`KT-60484`](https://youtrack.jetbrains.com/issue/KT-60484) Analysis API: add support for KtType pointers similar to KtSymbolPointer - [`KT-68884`](https://youtrack.jetbrains.com/issue/KT-68884) Analysis API: Rename/deprecate/remove declarations as part of Stabilization - [`KT-69453`](https://youtrack.jetbrains.com/issue/KT-69453) AA FIR: miss to handle expected type of lambda with explicit label - [`KT-69533`](https://youtrack.jetbrains.com/issue/KT-69533) Protect implementation parts of Analysis API with opt-in annotations ##### Analysis API. FIR ##### Performance Improvements - [`KT-71566`](https://youtrack.jetbrains.com/issue/KT-71566) FirElementBuilder#getFirForNonKtFileElement should iterate a Psi file over and over - [`KT-71224`](https://youtrack.jetbrains.com/issue/KT-71224) Analysis API: `FirElementFinder.collectDesignationPath` relies on naive iteration through FIR files ##### Fixes - [`KT-70327`](https://youtrack.jetbrains.com/issue/KT-70327) Analysis API: Batch inspection causes deadlock in `ValueWithPostCompute` - [`KT-69070`](https://youtrack.jetbrains.com/issue/KT-69070) Analysis API: Querying declared member scope for Java symbols results in exception in some use cases - [`KT-68268`](https://youtrack.jetbrains.com/issue/KT-68268) LLSealedInheritorsProvider: reduce scope to kotlin files - [`KT-69671`](https://youtrack.jetbrains.com/issue/KT-69671) TYPES phase contract violation through JavaSymbolProvider - [`KT-70624`](https://youtrack.jetbrains.com/issue/KT-70624) Declaration symbols from code fragments are treated as not local - [`KT-70662`](https://youtrack.jetbrains.com/issue/KT-70662) NPE: FirLazyBodiesCalculatorKt.calculateLazyBodyForProperty - [`KT-70859`](https://youtrack.jetbrains.com/issue/KT-70859) Do not fail highlighting due to resolution problems - [`KT-70474`](https://youtrack.jetbrains.com/issue/KT-70474) FirLazyResolveContractViolationException from JavaSymbolProvider - [`KT-70323`](https://youtrack.jetbrains.com/issue/KT-70323) FirLazyResolveContractViolationException: `lazyResolveToPhase(TYPES)` cannot be called from a transformer with a phase TYPES - [`KT-71567`](https://youtrack.jetbrains.com/issue/KT-71567) LLFirCompilerRequiredAnnotationsTargetResolver should calculate annotation arguments on demand - [`KT-71584`](https://youtrack.jetbrains.com/issue/KT-71584) `getNonLocalContainingOrThisDeclaration` treats KtParameter from functional type as non-local ##### Analysis API. Light Classes ##### Performance Improvements - [`KT-69998`](https://youtrack.jetbrains.com/issue/KT-69998) Drop redundant cache from ClassInnerStuffCache ##### Fixes - [`KT-69833`](https://youtrack.jetbrains.com/issue/KT-69833) Support value classes - [`KT-71693`](https://youtrack.jetbrains.com/issue/KT-71693) Wrong name mangling for JvmField class property and companion property clash - [`KT-71469`](https://youtrack.jetbrains.com/issue/KT-71469) KtLightClassForDecompiledDeclaration: missed kotlinOrigin - [`KT-70710`](https://youtrack.jetbrains.com/issue/KT-70710) Provide light classes for KMP modules in Android Lint - [`KT-70548`](https://youtrack.jetbrains.com/issue/KT-70548) SLC: text of class object access expression is not the same as raw text - [`KT-70572`](https://youtrack.jetbrains.com/issue/KT-70572) SLC: missing `isInheritor` implementation for type parameter - [`KT-70491`](https://youtrack.jetbrains.com/issue/KT-70491) SLC: inconsistent source PSI of no-arg constructor for all default values - [`KT-70458`](https://youtrack.jetbrains.com/issue/KT-70458) SLC: missed `auxiliaryOriginalElement` for delegated property - [`KT-70232`](https://youtrack.jetbrains.com/issue/KT-70232) Support a companion object inside value classes - [`KT-70349`](https://youtrack.jetbrains.com/issue/KT-70349) `@delegate`:\` annotations are missed for light class fields - [`KT-68328`](https://youtrack.jetbrains.com/issue/KT-68328) Move KtLightClassBase to ULC ##### Analysis API. Providers and Caches - [`KT-65618`](https://youtrack.jetbrains.com/issue/KT-65618) K2: resulted FirClass.psi != requested PsiClass from completion - [`KT-69292`](https://youtrack.jetbrains.com/issue/KT-69292) K2: Analysis API: A property's `MUST_BE_INITIALIZED` diagnostic is not updated after changing `field` usage in an accessor - [`KT-71468`](https://youtrack.jetbrains.com/issue/KT-71468) Drop redundant logic from LLFirJavaFacadeForBinaries - [`KT-71700`](https://youtrack.jetbrains.com/issue/KT-71700) Cache result of resolveToCall - [`KT-71520`](https://youtrack.jetbrains.com/issue/KT-71520) Analysis API: `LLFirNativeForwardDeclarationsSymbolProvider` spends a lot of time in indices ##### Analysis API. Standalone - [`KT-65110`](https://youtrack.jetbrains.com/issue/KT-65110) Analysis API: In Standalone mode the order of symbols is unstable ##### Analysis API. Stubs and Decompilation - [`KT-71565`](https://youtrack.jetbrains.com/issue/KT-71565) KtClassOrObject should use isLocal from greenStub ##### Analysis API. Surface ##### New Features - [`KT-69960`](https://youtrack.jetbrains.com/issue/KT-69960) `resolveToCallCandidates` should support operators - [`KT-69961`](https://youtrack.jetbrains.com/issue/KT-69961) `resolveToCallCandidates` should support properties ##### Performance Improvements - [`KT-70529`](https://youtrack.jetbrains.com/issue/KT-70529) KaSymbol: reduce the number of `cached` usages - [`KT-70165`](https://youtrack.jetbrains.com/issue/KT-70165) Introduce PSI-based `KaSymbol`s for K2 ##### Fixes - [`KT-69371`](https://youtrack.jetbrains.com/issue/KT-69371) Analysis API: expose only interfaces/abstract classes for the resolution API - [`KT-69696`](https://youtrack.jetbrains.com/issue/KT-69696) KaSymbolByFirBuilder should filter call-site substitutions - [`KT-69679`](https://youtrack.jetbrains.com/issue/KT-69679) KaDelegatedConstructorCall should have substituted signature - [`KT-70206`](https://youtrack.jetbrains.com/issue/KT-70206) `anonymousSymbol` API throws an exception for regular functions - [`KT-69699`](https://youtrack.jetbrains.com/issue/KT-69699) Receiver type is not substituted in the case of conflict declarations - [`KT-69381`](https://youtrack.jetbrains.com/issue/KT-69381) Analysis API: Investigate the viability of current `KaSymbol` caches - [`KT-70199`](https://youtrack.jetbrains.com/issue/KT-70199) K2: ConcurrentModificationException at FirCallCompleter$LambdaAnalyzerImpl.analyzeAndGetLambdaReturnArguments - [`KT-70661`](https://youtrack.jetbrains.com/issue/KT-70661) Invalid FirDeclarationOrigin ScriptTopLevelDestructuringDeclarationContainer - [`KT-70663`](https://youtrack.jetbrains.com/issue/KT-70663) KaFirDestructuringDeclarationSymbol: Failed requirement - [`KT-63490`](https://youtrack.jetbrains.com/issue/KT-63490) Analysis API: Accessing the Analysis API should be prohibited during dumb mode - [`KT-63390`](https://youtrack.jetbrains.com/issue/KT-63390) K2: Analysis API: add annotations to KtClassInitializerSymbol - [`KT-55124`](https://youtrack.jetbrains.com/issue/KT-55124) Design common ancestor for KtValueParameter and KtReceiverParameterSymbol - [`KT-71731`](https://youtrack.jetbrains.com/issue/KT-71731) directlyOverridenSymbols/allOverridenSymbols works incorrectly for intersection overrides ##### Apple Ecosystem - [`KT-66262`](https://youtrack.jetbrains.com/issue/KT-66262) Deprecate and remove support for bitcode embedding from the Kotlin Gradle plugin - [`KT-66894`](https://youtrack.jetbrains.com/issue/KT-66894) XCFramework task fails when name passed to xcframework DSL is different from framework's name - [`KT-65675`](https://youtrack.jetbrains.com/issue/KT-65675) XCFrameworkTask produces an xcframework with mismatched casing in embedded frameworks - [`KT-69119`](https://youtrack.jetbrains.com/issue/KT-69119) xcodeVersion task fails if Xcode isn't installed and apple-specific native targets aren't declared ##### Backend. Wasm ##### New Features - [`KT-70786`](https://youtrack.jetbrains.com/issue/KT-70786) Improve DX of the variable view during debugging in Chrome/Firefox for Kotlin/Wasm - [`KT-70331`](https://youtrack.jetbrains.com/issue/KT-70331) Support incremental compilation for the Wasm backend - [`KT-71686`](https://youtrack.jetbrains.com/issue/KT-71686) K/Wasm: Add functions to convert between Kotlin and JS array types - [`KT-68185`](https://youtrack.jetbrains.com/issue/KT-68185) \[WasmJs] Attach js exception object to JsException ##### Fixes - [`KT-71294`](https://youtrack.jetbrains.com/issue/KT-71294) Wasm Artifacts/Resource are being loaded relatively instead of absolutely - [`KT-71473`](https://youtrack.jetbrains.com/issue/KT-71473) K/Wasm: Use `--closed-world` and related options for Binaryen - [`KT-72297`](https://youtrack.jetbrains.com/issue/KT-72297) \[Wasm] Unused associated object class lead to compiler fail - [`KT-72156`](https://youtrack.jetbrains.com/issue/KT-72156) custom-formatters.js exists in JAR after publishToMavenLocal but not in the published artifact in Maven public - [`KT-65799`](https://youtrack.jetbrains.com/issue/KT-65799) K/Wasm: remove default exports from wasm exports - [`KT-71800`](https://youtrack.jetbrains.com/issue/KT-71800) Wasm compiler: Fix member generation for data classes with an array-type property - [`KT-71580`](https://youtrack.jetbrains.com/issue/KT-71580) String::toFloat on wasm behaves differently compared to other targets - [`KT-71523`](https://youtrack.jetbrains.com/issue/KT-71523) K/Wasm: cleanup after fix for KT-71474 - [`KT-71475`](https://youtrack.jetbrains.com/issue/KT-71475) K/Wasm: KClass::qualifiedName returns incorrect result for nested or companion objects - [`KT-71474`](https://youtrack.jetbrains.com/issue/KT-71474) K/Wasm: KProperty\*Impl equals work incorrectly for clabbale reference created in different files or modules - [`KT-61130`](https://youtrack.jetbrains.com/issue/KT-61130) K/Wasm: Function signatures may clash with base class internal methods from a friend module - [`KT-70820`](https://youtrack.jetbrains.com/issue/KT-70820) \[Kotlin QG] wasm-validator fails when running compile\[...]KotlinWasmJsOptimize - [`KT-70819`](https://youtrack.jetbrains.com/issue/KT-70819) \[Kotlin QG] node.js fails when running wasmJs\[...]Test KGP tasks - [`KT-70394`](https://youtrack.jetbrains.com/issue/KT-70394) Investigate increased wasm binary size after switching stdlib compilation to K2 - [`KT-69627`](https://youtrack.jetbrains.com/issue/KT-69627) Remove `create###Array` functions from WASM stdlib - [`KT-68509`](https://youtrack.jetbrains.com/issue/KT-68509) Fatal: error validating input in compileProductionExecutableKotlinWasmJsOptimize ##### Compiler ##### New Features - [`KT-71094`](https://youtrack.jetbrains.com/issue/KT-71094) Kotlin/Native incremental compilation: fail compilation if cache build failed - [`KT-21908`](https://youtrack.jetbrains.com/issue/KT-21908) Support 'when' exhaustiveness checking for generic type parameter with sealed class upper bound - [`KT-70679`](https://youtrack.jetbrains.com/issue/KT-70679) Kotlin/Native: fill WritableTypeInfo from Swift Export type mapping - [`KT-59798`](https://youtrack.jetbrains.com/issue/KT-59798) Builder inference is not working when combined with `let` expression - [`KT-54227`](https://youtrack.jetbrains.com/issue/KT-54227) Cannot use nullable Nothing as reified type parameter - [`KT-71430`](https://youtrack.jetbrains.com/issue/KT-71430) Kotlin-to-Java direct actualization implementation - [`KT-68163`](https://youtrack.jetbrains.com/issue/KT-68163) Expose supplementary compiler warnings via CLI - [`KT-69321`](https://youtrack.jetbrains.com/issue/KT-69321) Swift export: enable auto-linkage of binary dependencies - [`KT-11526`](https://youtrack.jetbrains.com/issue/KT-11526) Improve diagnostics for "X overrides nothing" - [`KT-49710`](https://youtrack.jetbrains.com/issue/KT-49710) False positive NO_ELSE_IN_WHEN with nullable type as receiver - [`KT-69729`](https://youtrack.jetbrains.com/issue/KT-69729) Support calling super interface Java methods from Kotlin interface - [`KT-69508`](https://youtrack.jetbrains.com/issue/KT-69508) Improve "Public-API inline function cannot access non-public-API" check for the inline property accessors ##### Performance Improvements - [`KT-71353`](https://youtrack.jetbrains.com/issue/KT-71353) FP Kotlin performance degradation (around Cone types hierarchy changes) - [`KT-71159`](https://youtrack.jetbrains.com/issue/KT-71159) \[K2] OOM on large enum classes with fields - [`KT-69718`](https://youtrack.jetbrains.com/issue/KT-69718) K2: Check for jvm nullability annotations in fir2ir is slow - [`KT-68417`](https://youtrack.jetbrains.com/issue/KT-68417) Native: LLVM 16 inliner is slow on K/N-produced modules - [`KT-63971`](https://youtrack.jetbrains.com/issue/KT-63971) K2: Redundant `@ParameterName` in abbreviated type in metadata ##### Fixes - [`KT-71550`](https://youtrack.jetbrains.com/issue/KT-71550) JVM IR: NPE on identity equals of boolean true with null - [`KT-72214`](https://youtrack.jetbrains.com/issue/KT-72214) -fpass-plugin (clangFlags) is not applied since Kotlin 2.0.20 - [`KT-68933`](https://youtrack.jetbrains.com/issue/KT-68933) CompilationException: Back-end: Could not get inlined class - [`KT-72255`](https://youtrack.jetbrains.com/issue/KT-72255) Promote jspecify from warning to error - [`KT-73065`](https://youtrack.jetbrains.com/issue/KT-73065) CCE with context receivers - [`KT-61033`](https://youtrack.jetbrains.com/issue/KT-61033) K2: implement a diagnostic corresponding to K1's MISSING_BUILT_IN_DECLARATION - [`KT-72345`](https://youtrack.jetbrains.com/issue/KT-72345) K2: Method 'get' without `@Override` annotation not called - [`KT-71260`](https://youtrack.jetbrains.com/issue/KT-71260) K2: Internal compiler error in IrFakeOverrideSymbolBase.getOwner when there is no actual for expect - [`KT-72996`](https://youtrack.jetbrains.com/issue/KT-72996) false-positive unresolved reference error on an overloaded callable reference in a lambda return position on the left-hand size of an elvis operator - [`KT-72552`](https://youtrack.jetbrains.com/issue/KT-72552) AutoboxingTransformer fails on during linkage on nested lambdas with cinteroped types - [`KT-71751`](https://youtrack.jetbrains.com/issue/KT-71751) K2: Skipping code in last statement of lambda - [`KT-71121`](https://youtrack.jetbrains.com/issue/KT-71121) Kotlin/JS incremental compilation fails with KotlinIllegalArgumentExceptionWithAttachments - [`KT-60521`](https://youtrack.jetbrains.com/issue/KT-60521) Drop language versions 1.4 and 1.5 - [`KT-70461`](https://youtrack.jetbrains.com/issue/KT-70461) K2: "Inline class types should have the same representation" caused by value class and smart check - [`KT-72238`](https://youtrack.jetbrains.com/issue/KT-72238) Argument type mismatch in builder inside extension function after ?: - [`KT-70306`](https://youtrack.jetbrains.com/issue/KT-70306) K2: Lambdas are unserializable: inferred from Java param `? super I` - [`KT-67383`](https://youtrack.jetbrains.com/issue/KT-67383) Incorrect optimisation when optimising for loop with UByte - [`KT-68653`](https://youtrack.jetbrains.com/issue/KT-68653) Switch latest stable language version in Kotlin project to 2.1 - [`KT-71708`](https://youtrack.jetbrains.com/issue/KT-71708) False negative UNSUPPORTED for collection literals as trailing return value - [`KT-72281`](https://youtrack.jetbrains.com/issue/KT-72281) K/N: "Failed to wait for cache to be built" - [`KT-72017`](https://youtrack.jetbrains.com/issue/KT-72017) Enum property reflection returning null KClassifier property for Enum classes defined inside Kotlin Scripts - [`KT-69040`](https://youtrack.jetbrains.com/issue/KT-69040) PCLA: deal with "deep" calls that can be fully analyzed properly - [`KT-69920`](https://youtrack.jetbrains.com/issue/KT-69920) K2: java.lang.IllegalArgumentException: FirNamedArgumentExpressionImpl.replaceConeTypeOrNull() during Space project compilation - [`KT-69549`](https://youtrack.jetbrains.com/issue/KT-69549) Try to move callable reference transformation earlier in pipeline - [`KT-63944`](https://youtrack.jetbrains.com/issue/KT-63944) Kotlin/Native: Cache flavor selection doesn't respect GC kind - [`KT-71649`](https://youtrack.jetbrains.com/issue/KT-71649) K2: Put operator on mutableMap\<T?, V>() causes crashes on null key - [`KT-70667`](https://youtrack.jetbrains.com/issue/KT-70667) K2: "Type parameter \* has inconsistent bounds" caused by wildcard and where-clause - [`KT-70562`](https://youtrack.jetbrains.com/issue/KT-70562) `@SubclassOptInRequired` cannot accept multiple experimental marker - [`KT-69407`](https://youtrack.jetbrains.com/issue/KT-69407) K2: Compiler crash (Shouldn't be here) due to unresolved reference in FirProjectionRelationChecker - [`KT-71508`](https://youtrack.jetbrains.com/issue/KT-71508) JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS isn't reported when java class is inherited from an effectively private class - [`KT-72178`](https://youtrack.jetbrains.com/issue/KT-72178) K2: "Unexpected FirPlaceholderProjectionImpl" exception when using "\_" as key type in EnumMap - [`KT-70407`](https://youtrack.jetbrains.com/issue/KT-70407) Error/warning message for `@SubclassOptInRequired`-annotated class should provide more context - [`KT-72302`](https://youtrack.jetbrains.com/issue/KT-72302) K2: no error on type operator in annotation parameter default value - [`KT-58820`](https://youtrack.jetbrains.com/issue/KT-58820) OPT_IN_USAGE_ERROR's message text does not account for SubclassOptInRequired - [`KT-71662`](https://youtrack.jetbrains.com/issue/KT-71662) PCLA: a type variable is not fixed on demand to a type containing a not-fixed type variable - [`KT-69739`](https://youtrack.jetbrains.com/issue/KT-69739) K2: "KotlinIllegalArgumentExceptionWithAttachments: Unexpected FirPlaceholderProjectionImpl" caused by unresolved references - [`KT-72154`](https://youtrack.jetbrains.com/issue/KT-72154) Dokka fails with `not array: KClass<out Annotation>` on Kotlin 2.1.20-dev with `@SubclassOptInRequired` - [`KT-70756`](https://youtrack.jetbrains.com/issue/KT-70756) K2. Compiler crash with FileAnalysisException on incorrect symbol in nesting lambda - [`KT-72173`](https://youtrack.jetbrains.com/issue/KT-72173) K2: simple object names from root package are resolved without imports in non-root packages when used as values - [`KT-71480`](https://youtrack.jetbrains.com/issue/KT-71480) JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS isn't reported while java object isn't created - [`KT-71034`](https://youtrack.jetbrains.com/issue/KT-71034) Failing compiler/testData/codegen/box/inlineClasses/kt70461.kt - [`KT-71016`](https://youtrack.jetbrains.com/issue/KT-71016) K/Wasm: Failing compiler/testData/codegen/box/inlineClasses/kt70461.kt - [`KT-52469`](https://youtrack.jetbrains.com/issue/KT-52469) Deprecate reified type parameter instantiating into intersection types - [`KT-71753`](https://youtrack.jetbrains.com/issue/KT-71753) PCLA: false-negative operator ambiguity error on fixing a type variable on demand for an operator assignment - [`KT-59871`](https://youtrack.jetbrains.com/issue/KT-59871) K2: Fix introduced diagnostics - [`KT-71563`](https://youtrack.jetbrains.com/issue/KT-71563) 'llegalStateException: Source classes should be created separately before referencing' when actualized through typealias and java direct actualization - [`KT-64741`](https://youtrack.jetbrains.com/issue/KT-64741) Avoid leaking ConeTypeVariable types in diagnostics from PCLA - [`KT-60447`](https://youtrack.jetbrains.com/issue/KT-60447) Builder inference fails to infer generic type argument from local class - [`KT-69170`](https://youtrack.jetbrains.com/issue/KT-69170) K2: "Unresolved reference" caused by generics and fun interfaces - [`KT-71756`](https://youtrack.jetbrains.com/issue/KT-71756) K2 evaluator: broken resolve of private members during debug of Kotlin project itself - [`KT-68893`](https://youtrack.jetbrains.com/issue/KT-68893) Invalid annotation in contract crashes with K2 - [`KT-71490`](https://youtrack.jetbrains.com/issue/KT-71490) K2: missing REDUNDANT_ELSE_IN_WHEN - [`KT-64403`](https://youtrack.jetbrains.com/issue/KT-64403) Implement BlackBoxCodegenTestSpecGenerated for K2 - [`KT-71551`](https://youtrack.jetbrains.com/issue/KT-71551) JVM IR K1: NPE on generating a function imported from an object from another module - [`KT-71210`](https://youtrack.jetbrains.com/issue/KT-71210) K2: false negative FUNCTION_CALL_EXPECTED / NESTED_CLASS_ACCESSED_VIA_INSTANCE_REFERENCE with companion objects - [`KT-71528`](https://youtrack.jetbrains.com/issue/KT-71528) K2/JVM: ClassCastException around Array\<Nothing?> - [`KT-71228`](https://youtrack.jetbrains.com/issue/KT-71228) K2: "IllegalArgumentException: Failed requirement" caused by lambda parameter and class type - [`KT-71738`](https://youtrack.jetbrains.com/issue/KT-71738) K2: False negative REDECLARATION inside object expression - [`KT-71701`](https://youtrack.jetbrains.com/issue/KT-71701) K2: false positive CAN_BE_VAL with lateinit and non-in-place lambda - [`KT-68694`](https://youtrack.jetbrains.com/issue/KT-68694) K2 IDE / Kotlin Debugger: AE “Unresolved reference: \<HIDDEN: samples/gen/classes/enum class/EnumClass.lam is invisible” on evaluating private lambda inside enum entry - [`KT-70970`](https://youtrack.jetbrains.com/issue/KT-70970) K2 IDE / Kotlin Debugger: AE “Only assignable IrValues can be set” on calling overloaded inc() operator on interface - [`KT-70824`](https://youtrack.jetbrains.com/issue/KT-70824) K2: NoSuchFieldException when evaluating private extension property - [`KT-70390`](https://youtrack.jetbrains.com/issue/KT-70390) K2 IDE / Kotlin Debugger: can't invoke lambda from private class during evaluation - [`KT-68701`](https://youtrack.jetbrains.com/issue/KT-68701) K2 IDE / Kotlin Debugger: AE “ERROR_CALL 'Unresolved reference: \<HIDDEN: /privateLambda is invisible>#' type=IrErrorType(null)” on evaluating private top-level lambda - [`KT-68695`](https://youtrack.jetbrains.com/issue/KT-68695) K2 IDE / Kotlin Debugger: AE “Unsupported callable reference” on evaluating ::lateinitStr on private lateinit property - [`KT-70861`](https://youtrack.jetbrains.com/issue/KT-70861) K2 IDE / Kotlin Debugger: can't evaluate Clazz::class call for private class - [`KT-34911`](https://youtrack.jetbrains.com/issue/KT-34911) Improve error message for WRONG_ANNOTATION_TARGET: list applicable targets - [`KT-71601`](https://youtrack.jetbrains.com/issue/KT-71601) K2: When with a subject of type dynamic always considered exhaustive - [`KT-33091`](https://youtrack.jetbrains.com/issue/KT-33091) Kotlin/Native: Compiler crashes if an external class is declared - [`KT-59651`](https://youtrack.jetbrains.com/issue/KT-59651) K1/K2: Assertion error on external enum usage attempt - [`KT-69939`](https://youtrack.jetbrains.com/issue/KT-69939) Extract a category of internal FIR checkers from supplementary FIR checkers - [`KT-70850`](https://youtrack.jetbrains.com/issue/KT-70850) Pull down typeArguments from ConeKotlinType to ConeClassLikeType - [`KT-71117`](https://youtrack.jetbrains.com/issue/KT-71117) K2: "IllegalArgumentException: No type for StarProjection" with star projection and function type - [`KT-71251`](https://youtrack.jetbrains.com/issue/KT-71251) Native & JS K2: Missing check for calling `isInitialized` inside inline fun - [`KT-70161`](https://youtrack.jetbrains.com/issue/KT-70161) Native: extracting LLVM 16 on Linux makes the compiler print many "Ignoring unknown extended header keyword 'LIBARCHIVE.creationtime'" messages - [`KT-71215`](https://youtrack.jetbrains.com/issue/KT-71215) K2: UB due to the erroneous greening of the red code with multiple delegation with java - [`KT-59386`](https://youtrack.jetbrains.com/issue/KT-59386) K2: Missing CONSTANT_EXPECTED_TYPE_MISMATCH - [`KT-69564`](https://youtrack.jetbrains.com/issue/KT-69564) Make using -Xuse-k2 compiler flag an error - [`KT-69756`](https://youtrack.jetbrains.com/issue/KT-69756) TypeOfLowering: don't create constant object nodes before inlining - [`KT-66328`](https://youtrack.jetbrains.com/issue/KT-66328) K2: implement an error for KT-66324 - [`KT-71046`](https://youtrack.jetbrains.com/issue/KT-71046) K/N: a separate lowering to convert function reference to IrConstantObject - [`KT-69223`](https://youtrack.jetbrains.com/issue/KT-69223) Drop parallel lowering mode in JVM backend - [`KT-70260`](https://youtrack.jetbrains.com/issue/KT-70260) `@JsPlainObject`: improve compiler error if a method is present - [`KT-67739`](https://youtrack.jetbrains.com/issue/KT-67739) Improve error message when JDK used in -Xjdk-release has corrupted class files - [`KT-63964`](https://youtrack.jetbrains.com/issue/KT-63964) K2: different naming of classes defined in script in metadata - [`KT-70014`](https://youtrack.jetbrains.com/issue/KT-70014) Common inference: introduce rigidTypeMarker - [`KT-71352`](https://youtrack.jetbrains.com/issue/KT-71352) Cannot load script definition class org.gradle.kotlin.dsl.KotlinProjectScriptTemplate - [`KT-63502`](https://youtrack.jetbrains.com/issue/KT-63502) Getting java.lang.ClassNotFoundException: javaslang.λ during compilation - [`KT-66316`](https://youtrack.jetbrains.com/issue/KT-66316) Kotlin/Native: make `@Escapes` annotation required for all external functions - [`KT-69653`](https://youtrack.jetbrains.com/issue/KT-69653) Prohibit exposing types via type parameters' bounds - [`KT-68451`](https://youtrack.jetbrains.com/issue/KT-68451) Inconsistent rules of CFA in enum initialization block - [`KT-70893`](https://youtrack.jetbrains.com/issue/KT-70893) K2: Bogus NO_COMPANION_OBJECT on resolve to private qualifier - [`KT-70965`](https://youtrack.jetbrains.com/issue/KT-70965) FIR/AA: Initializers for Java annotation arguments mapping capture use-site sessions - [`KT-63945`](https://youtrack.jetbrains.com/issue/KT-63945) K2: Prevent possible diagnostic loss - [`KT-64453`](https://youtrack.jetbrains.com/issue/KT-64453) K2: Implement ComposeLikeIr...TestGenerated for K2 - [`KT-30424`](https://youtrack.jetbrains.com/issue/KT-30424) Confusing error message "modality is different" - [`KT-70846`](https://youtrack.jetbrains.com/issue/KT-70846) Replace `ConeKotlinType.nullability` with `isMarkedNullable` on specific types - [`KT-56720`](https://youtrack.jetbrains.com/issue/KT-56720) K2: false positive MANY_IMPL_MEMBER_NOT_IMPLEMENTED in case of delegation in diamond inheritance - [`KT-69937`](https://youtrack.jetbrains.com/issue/KT-69937) Define & enforce user-friendly terminology for extended checkers - [`KT-64406`](https://youtrack.jetbrains.com/issue/KT-64406) K2: Implement CompileKotlinAgainstJavaTestGenerated for K2 - [`KT-69938`](https://youtrack.jetbrains.com/issue/KT-69938) Validate sets of default compiler warnings and supplementary compiler warnings - [`KT-68971`](https://youtrack.jetbrains.com/issue/KT-68971) Investigate suspicious fragmentation of FIR trees for string literals with interpolation - [`KT-71073`](https://youtrack.jetbrains.com/issue/KT-71073) Multi-dollar strings: parser grabs too much if backticks follow a short sequence of '$' - [`KT-71213`](https://youtrack.jetbrains.com/issue/KT-71213) Rethrow exceptions in checkers with some useful attachments - [`KT-70395`](https://youtrack.jetbrains.com/issue/KT-70395) K2: "Captured Type does not have a classifier" caused by `out` type and interface hierarchy - [`KT-70133`](https://youtrack.jetbrains.com/issue/KT-70133) K2: false negative UNINITIALIZED_VARIABLE when postponed lambda is created before initialization - [`KT-70625`](https://youtrack.jetbrains.com/issue/KT-70625) K2: ClassCastException caused by function reference, star projection and invariant type parameter - [`KT-70835`](https://youtrack.jetbrains.com/issue/KT-70835) K2: "TYPE_MISMATCH" caused by operator assignment - [`KT-70366`](https://youtrack.jetbrains.com/issue/KT-70366) K2: "KotlinIllegalArgumentExceptionWithAttachments: Failed to find functional supertype for class " - [`KT-68834`](https://youtrack.jetbrains.com/issue/KT-68834) Parentheses don't influence calls of any convention operators (except invoke operator) after safe navigation operator - [`KT-70358`](https://youtrack.jetbrains.com/issue/KT-70358) K2: "java.lang.IllegalArgumentException: No type for StarProjection" when using a star projection on a function type - [`KT-69298`](https://youtrack.jetbrains.com/issue/KT-69298) K2: "Initializer type mismatch" caused by elvis operator type inference for nullable typealias - [`KT-71189`](https://youtrack.jetbrains.com/issue/KT-71189) K2: emit 'DELEGATE_SPECIAL_FUNCTION_MISSING' and 'DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE' on 'by' keyword - [`KT-71178`](https://youtrack.jetbrains.com/issue/KT-71178) K2: False negative NO_ELSE_IN_WHEN in when over nullable type with `!is Nothing?` check - [`KT-70812`](https://youtrack.jetbrains.com/issue/KT-70812) False positive NO_ELSE_IN_WHEN with nullable type argument as subject - [`KT-70947`](https://youtrack.jetbrains.com/issue/KT-70947) False positive NO_ELSE_IN_WHEN with DNN subject and nullable sealed class upper bound - [`KT-70752`](https://youtrack.jetbrains.com/issue/KT-70752) Review diagnostics with whole declaration as range - [`KT-71160`](https://youtrack.jetbrains.com/issue/KT-71160) K2: Rendering of flexible collection types and arrays is too verbose - [`KT-61227`](https://youtrack.jetbrains.com/issue/KT-61227) Definitely non-nullable types cause "Any was expected" for `@Nullable` parameter - [`KT-69389`](https://youtrack.jetbrains.com/issue/KT-69389) K2: NONE_APPLICABLE instead of more useful "type mismatch" error with overloads and parameter nullability mismatch - [`KT-69829`](https://youtrack.jetbrains.com/issue/KT-69829) Missed UNRESOLVED_LABEL for label in returns and loops - [`KT-61223`](https://youtrack.jetbrains.com/issue/KT-61223) JDK 21: new addFirst/addLast and putFirst/putLast methods allow adding nullable value for non-null types - [`KT-66742`](https://youtrack.jetbrains.com/issue/KT-66742) Supertypes with inaccessible type arguments are allowed - [`KT-62906`](https://youtrack.jetbrains.com/issue/KT-62906) Type system: consider changing simple type & DNN type relation - [`KT-70104`](https://youtrack.jetbrains.com/issue/KT-70104) Update the error message for calling super Java interface methods case - [`KT-69794`](https://youtrack.jetbrains.com/issue/KT-69794) K2: Wrong target is reported for EXPOSED_SUPER_INTERFACE diagnostic - [`KT-70724`](https://youtrack.jetbrains.com/issue/KT-70724) False-positive UNINITIALIZED_VARIABLE for inline constructor with late-initialized variables - [`KT-70749`](https://youtrack.jetbrains.com/issue/KT-70749) False-positive UNINITIALIZED_VARIABLE for inline fun with crossinline modifier - [`KT-65805`](https://youtrack.jetbrains.com/issue/KT-65805) Migrate builtins serializer to K2 - [`KT-71004`](https://youtrack.jetbrains.com/issue/KT-71004) FirSignatureEnhancement#enhance mutates attributes on the original function - [`KT-70813`](https://youtrack.jetbrains.com/issue/KT-70813) Questionable behavior for calls on ILT receivers - [`KT-70208`](https://youtrack.jetbrains.com/issue/KT-70208) 'when' is not exhaustive for expect Boolean - [`KT-69210`](https://youtrack.jetbrains.com/issue/KT-69210) Native: tune LLVM optimization pipeline - [`KT-70753`](https://youtrack.jetbrains.com/issue/KT-70753) K2: Missing non-null assertion on the return value of try-catch block - [`KT-70012`](https://youtrack.jetbrains.com/issue/KT-70012) EXTENSION_SHADOWED_BY_MEMBER shouldn't be reported for actual declarations - [`KT-70837`](https://youtrack.jetbrains.com/issue/KT-70837) K2. "Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource" on incorrect call with extension fun - [`KT-66751`](https://youtrack.jetbrains.com/issue/KT-66751) Implement a general deprecation of types with inaccessible type arguments - [`KT-68748`](https://youtrack.jetbrains.com/issue/KT-68748) K2: Remove `irFactory` from `Fir2IrComponents` - [`KT-61659`](https://youtrack.jetbrains.com/issue/KT-61659) K2: Implement the `EXTENSION_SHADOWED_BY_MEMBER` warning - [`KT-70709`](https://youtrack.jetbrains.com/issue/KT-70709) Range for MUST_BE_INITIALIZED shouldn't include property annotations - [`KT-63294`](https://youtrack.jetbrains.com/issue/KT-63294) Do not use duplicated compiler argument names across the codebase - [`KT-70673`](https://youtrack.jetbrains.com/issue/KT-70673) False positive NO_ELSE_IN_WHEN with nullable Boolean as subject - [`KT-70672`](https://youtrack.jetbrains.com/issue/KT-70672) False positive NO_ELSE_IN_WHEN with nullable Enum as subject - [`KT-69207`](https://youtrack.jetbrains.com/issue/KT-69207) Native: use lld when the compiler produces binaries for a Linux target - [`KT-67696`](https://youtrack.jetbrains.com/issue/KT-67696) Native: compiler crashes when loading an LLVM bitcode file of unsupported version - [`KT-69767`](https://youtrack.jetbrains.com/issue/KT-69767) K2: Investigate differences in tests without alias behavior for cyclic expansion - [`KT-70617`](https://youtrack.jetbrains.com/issue/KT-70617) K2: ClassCastException caused by Java enum with overridden `name` property - [`KT-68796`](https://youtrack.jetbrains.com/issue/KT-68796) Non-first invoke operator calls break chained calls of convention operators after safe navigation operator - [`KT-67772`](https://youtrack.jetbrains.com/issue/KT-67772) K2: Metadata misses NoInfer annotation for unsafeCast result - [`KT-70304`](https://youtrack.jetbrains.com/issue/KT-70304) \[FIR2IR] Missing `@NoInfer` - [`KT-65085`](https://youtrack.jetbrains.com/issue/KT-65085) K2: Get rid of special check for unresolved array literals on argument mapping phase - [`KT-65066`](https://youtrack.jetbrains.com/issue/KT-65066) K1 crashes, K2 doesn't report type mismatch on array literal inside nested annotation call - [`KT-49235`](https://youtrack.jetbrains.com/issue/KT-49235) Kotlin interface limited to 1000 super types - [`KT-69991`](https://youtrack.jetbrains.com/issue/KT-69991) K2/JVM: Backend crash with functional types and KFunctions - [`KT-7461`](https://youtrack.jetbrains.com/issue/KT-7461) Forbid using projection modifiers inside top-level Array in annotation's value parameter - [`KT-52315`](https://youtrack.jetbrains.com/issue/KT-52315) Legacy keywords (header, impl) break enum definitions - [`KT-69499`](https://youtrack.jetbrains.com/issue/KT-69499) Native: aggressive inline of runtime procedures causes compiler crash in debug builds - [`KT-69737`](https://youtrack.jetbrains.com/issue/KT-69737) Native: incompatible target-cpu attributes between runtime and Kotlin code - [`KT-69911`](https://youtrack.jetbrains.com/issue/KT-69911) Unexpected line numbers in default setter - [`KT-61529`](https://youtrack.jetbrains.com/issue/KT-61529) K2: Unexpected FirClassLikeSymbol null with -no-jdk - [`KT-69475`](https://youtrack.jetbrains.com/issue/KT-69475) K2: No "Name contains illegal characters" for package name with dots inside - [`KT-69484`](https://youtrack.jetbrains.com/issue/KT-69484) Native: remove default values for `isObjectType` - [`KT-70352`](https://youtrack.jetbrains.com/issue/KT-70352) K2: False-negative CONFLICTING_UPPER_BOUNDS on `Nothing` bound - [`KT-59781`](https://youtrack.jetbrains.com/issue/KT-59781) K2: investigate implicit cast generation in fir2ir vs psi2ir - [`KT-70036`](https://youtrack.jetbrains.com/issue/KT-70036) \[FIR2IR] Fix param name in overridden setter - [`KT-68718`](https://youtrack.jetbrains.com/issue/KT-68718) \[JVM] Generic function is instantiated with wrong type argument - [`KT-67983`](https://youtrack.jetbrains.com/issue/KT-67983) K2: False negative "Recursive type alias in expansion" at recursive typealiases - [`KT-70328`](https://youtrack.jetbrains.com/issue/KT-70328) K2: `@UnsafeVariance` stored in the metadata despite the Source retention - [`KT-70313`](https://youtrack.jetbrains.com/issue/KT-70313) K2: Don't add `Any` supertype to `kotlin.Nothing` compiled from sources - [`KT-69982`](https://youtrack.jetbrains.com/issue/KT-69982) K2: New errors when executing `:kotlin-stdlib:jvmJar` - [`KT-70169`](https://youtrack.jetbrains.com/issue/KT-70169) K2: implement a deprecation error for Synchronized, Throws, JvmField on annotation parameters - [`KT-67651`](https://youtrack.jetbrains.com/issue/KT-67651) K2: inconsistency in behavior for SAM constructor with flexible type - [`KT-63857`](https://youtrack.jetbrains.com/issue/KT-63857) K2: Extra `operator` modifier in metadata - [`KT-70182`](https://youtrack.jetbrains.com/issue/KT-70182) K2: Set up `isOperator` flag according to operator naming conventions during building synthetic overrides for Java methods - [`KT-20798`](https://youtrack.jetbrains.com/issue/KT-20798) Implement a deprecation warning for reified modifier on type parameters of type alias - [`KT-68697`](https://youtrack.jetbrains.com/issue/KT-68697) K2 IDE / Kotlin Debugger: NSEE “List is empty.” when method reference is used in some place in code - [`KT-70157`](https://youtrack.jetbrains.com/issue/KT-70157) K2: false positive JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS for a Java private class - [`KT-68702`](https://youtrack.jetbrains.com/issue/KT-68702) K2 IDE: AE “SyntheticAccessorLowering should not attempt to modify other files!” on evaluating of supermethods toString() and hashCode() - [`KT-69509`](https://youtrack.jetbrains.com/issue/KT-69509) K2 IDE / Kotlin Debugger: exception in lowering ReplaceKFunctionInvokeWithFunctionInvoke when compiling code fragment - [`KT-66323`](https://youtrack.jetbrains.com/issue/KT-66323) K2: Clarify contracts of `ConeSubstitutorByMap` - [`KT-69652`](https://youtrack.jetbrains.com/issue/KT-69652) K2: False positive "Redundant visibility modifier" with explicitApi() - [`KT-65815`](https://youtrack.jetbrains.com/issue/KT-65815) K2: False-positive NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY with inline function returning Nothing? - [`KT-60508`](https://youtrack.jetbrains.com/issue/KT-60508) K2/stdlib: compilation of common code fails if built-in types are provided as platform sources - [`KT-70037`](https://youtrack.jetbrains.com/issue/KT-70037) K2: Generate IR body for `Any` constructor despite that fact it's empty - [`KT-69870`](https://youtrack.jetbrains.com/issue/KT-69870) K2: False positive NO_VALUE_FOR_PARAMETER for override without default but base with default and with enabled KMP - [`KT-69599`](https://youtrack.jetbrains.com/issue/KT-69599) K2: Investiage and fix lots of `UNRESOLVED_REFERENCE` during building stdlib native with K2 - [`KT-68375`](https://youtrack.jetbrains.com/issue/KT-68375) K2: FirPrimaryConstructorSuperTypeChecker fails on generated superclasses - [`KT-58309`](https://youtrack.jetbrains.com/issue/KT-58309) Deal with test failures inside FirTypeEnhancementTestGenerated - [`KT-27112`](https://youtrack.jetbrains.com/issue/KT-27112) Implement prohibition of exposing types via type parameters' bounds - [`KT-69831`](https://youtrack.jetbrains.com/issue/KT-69831) Add long FastJarFS tests to the `nightlyFirCompilerTest` configuration - [`KT-69537`](https://youtrack.jetbrains.com/issue/KT-69537) K2: Unintentional behavior caused by InferMoreImplicationsFromBooleanExpressions - [`KT-59814`](https://youtrack.jetbrains.com/issue/KT-59814) K2: Explore why `FirDataFlowAnalyzer` strips away value parameters of non top-level-functions - [`KT-69069`](https://youtrack.jetbrains.com/issue/KT-69069) K2: expect overloads are deprioritized in common code - [`KT-69511`](https://youtrack.jetbrains.com/issue/KT-69511) KJS / K2: False positive IMPLICIT_BOXING_IN_IDENTITY_EQUALS when comparing dynamic with primitive - [`KT-69500`](https://youtrack.jetbrains.com/issue/KT-69500) Native: introduce an option to inline less "ALWAYS_INLINE" runtime procedures - [`KT-69717`](https://youtrack.jetbrains.com/issue/KT-69717) K2: Don't call `coneType`/`coneTypeOrNull` extensions on `FirResolvedTypeRef` - [`KT-60440`](https://youtrack.jetbrains.com/issue/KT-60440) K2/Java: investigate constructor own type parameters enhancement - [`KT-69871`](https://youtrack.jetbrains.com/issue/KT-69871) K2 allows modifier keywords on `package` declaration - [`KT-61271`](https://youtrack.jetbrains.com/issue/KT-61271) Frontend: "The label does not denote a loop." error message is used even if the label does denote a loop - [`KT-69768`](https://youtrack.jetbrains.com/issue/KT-69768) K2: Investigate differences in tests without alias behavior with typealias to enum entry - [`KT-63846`](https://youtrack.jetbrains.com/issue/KT-63846) K2: incorrect type argument inferred for smart cast value of a generic type - [`KT-69774`](https://youtrack.jetbrains.com/issue/KT-69774) Don't report overload resolution ambiguity if extension receiver contains error type - [`KT-61316`](https://youtrack.jetbrains.com/issue/KT-61316) K2: Consider throwing exception when replaceType is called on special FirExpressions with immutable types - [`KT-69201`](https://youtrack.jetbrains.com/issue/KT-69201) Discard expect candidate in overload conflict resolver if there is no actual - [`KT-69557`](https://youtrack.jetbrains.com/issue/KT-69557) K2: Investigate failures with enabled assertion in `ConeResolvedAtom` constructor - [`KT-69783`](https://youtrack.jetbrains.com/issue/KT-69783) K2: Make FirTypeProjection sealed - [`KT-68000`](https://youtrack.jetbrains.com/issue/KT-68000) Investigate getting container functions in checkers - [`KT-69649`](https://youtrack.jetbrains.com/issue/KT-69649) K2: Cleanup various utilities about `toSymbol` conversion - [`KT-69185`](https://youtrack.jetbrains.com/issue/KT-69185) K2: Prepare a test runner for diagnostic tests with type aliases non-expanded automatically - [`KT-69390`](https://youtrack.jetbrains.com/issue/KT-69390) UNRESOLVED_REFERENCE on call with lambda argument turns whole call red - [`KT-68794`](https://youtrack.jetbrains.com/issue/KT-68794) K2 IDE / Kotlin Debugger: ISE “No real overrides for FUN FAKE_OVERRIDE name:privateFun visibility:private modality:FINAL” on calling private function from superclass in debugger - [`KT-69315`](https://youtrack.jetbrains.com/issue/KT-69315) FirJavaGenericVarianceViolationTypeChecker: StackOverflowError - [`KT-49962`](https://youtrack.jetbrains.com/issue/KT-49962) "Visibility inherited is not allowed in forVisibility" when analyzing broken file - [`KT-24212`](https://youtrack.jetbrains.com/issue/KT-24212) Report "This class shouldn't be used in Kotlin" on calling constructor of Java class with Kotlin analog - [`KT-64195`](https://youtrack.jetbrains.com/issue/KT-64195) K2: Consider make `FirAnonymousInitializer. containingDeclarationSymbol` not null - [`KT-64254`](https://youtrack.jetbrains.com/issue/KT-64254) "Projections are not allowed on type arguments of functions and properties": Type-project type arguments of properties - [`KT-40533`](https://youtrack.jetbrains.com/issue/KT-40533) Error message PROPERTY_WITH_NO_TYPE_NO_INITIALIZER for interface property is not fully correct - [`KT-20014`](https://youtrack.jetbrains.com/issue/KT-20014) Improve diagnostics for lateinit property without initializer and type annotation - [`KT-51366`](https://youtrack.jetbrains.com/issue/KT-51366) False positive error "Value class cannot extend classes" when extending generic interface with wrong number of type arguments - [`KT-68277`](https://youtrack.jetbrains.com/issue/KT-68277) K2: false positive UNREACHABLE_CODE for non-local `return`/`break` - [`KT-69544`](https://youtrack.jetbrains.com/issue/KT-69544) K2: Mapped Java `@Target` annotation's vararg argument has swapped type and elementType - [`KT-68998`](https://youtrack.jetbrains.com/issue/KT-68998) K2: Refactor postponed atoms - [`KT-69288`](https://youtrack.jetbrains.com/issue/KT-69288) Native: Apple LLVM 16 fork can't read bitcode with memory attribute produced by upstream LLVM 16 - [`KT-67808`](https://youtrack.jetbrains.com/issue/KT-67808) K2: Inconsistent properties initialization analysis in init blocks in presence of smartcast on this - [`KT-69035`](https://youtrack.jetbrains.com/issue/KT-69035) K2: Investigate potential removal of FirMangler - [`KT-69473`](https://youtrack.jetbrains.com/issue/KT-69473) Missing suspend-conversion for lambda in the last statement of when with expected type - [`KT-64640`](https://youtrack.jetbrains.com/issue/KT-64640) Prevent mutating SequenceCollection methods from JDK 21 be available on read-only collections - [`KT-65441`](https://youtrack.jetbrains.com/issue/KT-65441) K1: Remove JDK 21 getFirst()/getLast() in (Mutable)List interfaces - [`KT-54792`](https://youtrack.jetbrains.com/issue/KT-54792) Store program order of properties inside `@kotlin`.Metadata - [`KT-59832`](https://youtrack.jetbrains.com/issue/KT-59832) K2: Fix the TODO about merging values for labels in UnusedChecker ##### Compose compiler ##### New features - [`b/328817808`](https://issuetracker.google.com/issues/328817808) Added the PausableComposition feature flags - [`83c48a0`](https://github.com/JetBrains/kotlin/commit/83c48a0dc54c8b48bd46805c84c5df215558134d) Decoy support for JS target is removed from Compose compiler ##### Fixes - [`CMP-6926`](https://youtrack.jetbrains.com/issue/CMP-6926) iOS compilation failure: Unresolved reference 'copy' - [`CMP-6842`](https://youtrack.jetbrains.com/issue/CMP-6842) FAKE_OVERRIDE declarations are not preserved in metadata and should not be marked with annotations - [`CMP-6788`](https://youtrack.jetbrains.com/issue/CMP-6788) non-private field compilation warnings (stableprop & ComposableSingletons) - [`CMP-6685`](https://youtrack.jetbrains.com/issue/CMP-6685) Native/WASM compilation failure on Composable function with value-type arg + return - [`b/376058538`](https://issuetracker.google.com/issues/376058538) Fix stack overflow when inferring stability of indirect generic loop - [`b/339322843`](https://issuetracker.google.com/issues/339322843) Transform [@&#8203;Composable](https://github.com/Composable) property delegate references - [`b/366040842`](https://issuetracker.google.com/issues/366040842), [`b/365066530`](https://issuetracker.google.com/issues/365066530) Replace deep copy in Compose plugin with in-place type mutation - [`b/329477544`](https://issuetracker.google.com/issues/329477544) Force open / overridden Composable functions to be non-restartable. - [`b/361652128`](https://issuetracker.google.com/issues/361652128) Disable live literal transform if the corresponding flag is disabled - [`b/325004814`](https://issuetracker.google.com/issues/325004814) \[Compose] Fix infinite recursion in target analysis - [`b/357878245`](https://issuetracker.google.com/issues/357878245) Disallow open [@&#8203;Composable](https://github.com/Composable) functions with default params to fix binary compatibility issues. - [`b/338597078`](https://issuetracker.google.com/issues/338597078) \[Compose] Fix target warning message - [`b/351858979`](https://issuetracker.google.com/issues/351858979) Fix stability inferencing of interfaces on incremental compilation - [`b/346821372`](https://issuetracker.google.com/issues/346821372) \[Compose] Fix code generation for group optimization - [`b/339311821`](https://issuetracker.google.com/issues/339311821) Give warning when stability configuration file is not found - [`b/346821372`](https://issuetracker.google.com/issues/346821372) Fixes group generation for if statements when nonSkippingGroupOptimization is enabled. ##### IDE. Gradle Integration - [`KT-48554`](https://youtrack.jetbrains.com/issue/KT-48554) \[Multiplatform Import] Ensure consistency between `GradleImportProperties` and `PropertiesProvider` ##### IR. Actualizer - [`KT-71631`](https://youtrack.jetbrains.com/issue/KT-71631) Kotlin-to-Java direct actualization: java annotation element isn't actualized - [`KT-71597`](https://youtrack.jetbrains.com/issue/KT-71597) Kotlin-to-Java direct actualization: it is possible to actualize a function with default parameters - [`KT-71592`](https://youtrack.jetbrains.com/issue/KT-71592) Kotlin-to-Java direct actualization: constructor of nested class can't be actualized - [`KT-71577`](https://youtrack.jetbrains.com/issue/KT-71577) Kotlin-to-Java direct actualization: method can be actualized by java static method - [`KT-69632`](https://youtrack.jetbrains.com/issue/KT-69632) K2: Expect actual mismatch on actualization with alias to expect class - [`KT-71817`](https://youtrack.jetbrains.com/issue/KT-71817) Actualization of static members is broken for non-JVM platforms ##### IR. Inlining ##### New Features - [`KT-69527`](https://youtrack.jetbrains.com/issue/KT-69527) Set the right visibility for synthetic accessors in SyntheticAccessorLowering ##### Fixes - [`KT-71232`](https://youtrack.jetbrains.com/issue/KT-71232) Implement an IR validation check that ensures that all IrFields are private on non-JVM backends - [`KT-69307`](https://youtrack.jetbrains.com/issue/KT-69307) Source offsets seem incorrect after IR inlining - [`KT-72884`](https://youtrack.jetbrains.com/issue/KT-72884) Internal error in body lowering: IllegalStateException: Can't inline given reference, it should've been lowered - [`KT-71659`](https://youtrack.jetbrains.com/issue/KT-71659) IR Inliner fails to inline function expressions due to implicit cast from the 1st phase of inlining - [`KT-69681`](https://youtrack.jetbrains.com/issue/KT-69681) IR: Report warnings on exposure of private types in non-private inline functions - [`KT-72521`](https://youtrack.jetbrains.com/issue/KT-72521) Kotlin/Native: java.lang.AssertionError: kfun:androidx.compose.runtime#access$\<get-androidx_compose_runtime_ProvidedValue$stable>$p$tComposerKt(){}kotlin.Int - [`KT-72623`](https://youtrack.jetbrains.com/issue/KT-72623) Don't generate synthetic accessors in files other than the one being lowered - [`KT-70420`](https://youtrack.jetbrains.com/issue/KT-70420) Enable double-inlining in Native & JS backends by default - [`KT-67292`](https://youtrack.jetbrains.com/issue/KT-67292) Handling assertions before the IR inliner - [`KT-70423`](https://youtrack.jetbrains.com/issue/KT-70423) KLIB: SyntheticAccessorLowering - generate static factory functions instead of synthetic constructors - [`KT-69565`](https://youtrack.jetbrains.com/issue/KT-69565) Don't generate synthetic accessors for private symbols inside local classes - [`KT-69787`](https://youtrack.jetbrains.com/issue/KT-69787) Handle clashes of synthetic accessors generated for top-level callables - [`KT-71137`](https://youtrack.jetbrains.com/issue/KT-71137) Generate synthetic accessors for backing fields - [`KT-67172`](https://youtrack.jetbrains.com/issue/KT-67172) Native & JS: Introduce OuterThisInInlineFunctionsSpecialAccessorLowering - [`KT-64865`](https://youtrack.jetbrains.com/issue/KT-64865) Explicitly generate accessors for private declarations in inline functions - [`KT-71657`](https://youtrack.jetbrains.com/issue/KT-71657) K/JS: Double-inlining causes failures in IC with top-level synthetic accessors - [`KT-71078`](https://youtrack.jetbrains.com/issue/KT-71078) Inline all functions in local classes at the 1st stage of inlining - [`KT-69802`](https://youtrack.jetbrains.com/issue/KT-69802) Don't extract local classes from inline functions in double inlining mode - [`KT-66508`](https://youtrack.jetbrains.com/issue/KT-66508) IR inliner: Add implicit cast for initializer of temporary variables - [`KT-66507`](https://youtrack.jetbrains.com/issue/KT-66507) IR inliner: Enable implicit casts in all KLib backends - [`KT-69466`](https://youtrack.jetbrains.com/issue/KT-69466) IrInlinedFunctionBlock: Refactor it to make it possible to serialize in KLIBs - [`KT-69317`](https://youtrack.jetbrains.com/issue/KT-69317) IR Inlining. Try to place inlined arguments outside `IrInlinedFunctionBlock` - [`KT-67149`](https://youtrack.jetbrains.com/issue/KT-67149) Common Native/JS lowering prefix at the 2nd phase of compilation - [`KT-69172`](https://youtrack.jetbrains.com/issue/KT-69172) Implement double-inlining for Native - [`KT-67304`](https://youtrack.jetbrains.com/issue/KT-67304) Keep in common prefix: Shared variables + local classes in inline lambdas - [`KT-67170`](https://youtrack.jetbrains.com/issue/KT-67170) ArrayConstructorReferenceLowering is missing in Native - [`KT-70583`](https://youtrack.jetbrains.com/issue/KT-70583) Internal error in body lowering: java.lang.IllegalStateException: An attempt to generate an accessor after all accessors have been already added to their containers - [`KT-69700`](https://youtrack.jetbrains.com/issue/KT-69700) Inline `stub_for_inlining` use sites survive after the inliner - [`KT-69462`](https://youtrack.jetbrains.com/issue/KT-69462) Support dumping IR after inlining in compiler tests - [`KT-70693`](https://youtrack.jetbrains.com/issue/KT-70693) IR: replace IrReturnableBlock.inlineFucntion with IrInlinedFunctionBlock.inlineFucntion - [`KT-70763`](https://youtrack.jetbrains.com/issue/KT-70763) IR inline: consider storing stub_for_inline as an inlined function for callable reference - [`KT-69168`](https://youtrack.jetbrains.com/issue/KT-69168) Wrap assertion calls before IR inliner - [`KT-69167`](https://youtrack.jetbrains.com/issue/KT-69167) Create intrinsics in stdlib for handling assertions in KLIB-based backends - [`KT-69169`](https://youtrack.jetbrains.com/issue/KT-69169) Expand assertion intrinsics in backend based on CLI parameters - [`KT-69174`](https://youtrack.jetbrains.com/issue/KT-69174) Implement the basic Synthetic Accessors Lowering for KLIB-based backends ##### IR. Interpreter - [`KT-70388`](https://youtrack.jetbrains.com/issue/KT-70388) K2 IDE / Kotlin Debugger: InterpreterError “Unsupported number of arguments for invocation as builtin function: INT_MAX_POWER_OF_TWO” during evaluation ##### IR. Tree ##### Fixes - [`KT-69644`](https://youtrack.jetbrains.com/issue/KT-69644) Report warning on cross-file IrGetField operations generated by compiler plugins - [`KT-68789`](https://youtrack.jetbrains.com/issue/KT-68789) Prepare tests for testing visibility (non-)violation in inlined IR - [`KT-71826`](https://youtrack.jetbrains.com/issue/KT-71826) stdlib fails to compile with `-Xserialize-ir=all` - [`KT-70333`](https://youtrack.jetbrains.com/issue/KT-70333) IR: remove ability to apply compiler plugins during KAPT stub generation phase - [`KT-67752`](https://youtrack.jetbrains.com/issue/KT-67752) Make copyRemappedTypeArgumentsFrom and transformValueArguments methods in DeepCopyIrTreeWithSymbols protected instead of private - [`KT-68151`](https://youtrack.jetbrains.com/issue/KT-68151) Setup testing visibility of referenced declarations in IR - [`KT-68988`](https://youtrack.jetbrains.com/issue/KT-68988) \[Tests] Streamline the order of irFiles in IR- and Kotlin-like dumps - [`KT-65773`](https://youtrack.jetbrains.com/issue/KT-65773) Auto generate IR implementation classes - [`KT-70330`](https://youtrack.jetbrains.com/issue/KT-70330) Automatically keep track of IrValueParameter.index - [`KT-68495`](https://youtrack.jetbrains.com/issue/KT-68495) Compile-time failure on bounded generic value used in a contains-check with range - [`KT-68974`](https://youtrack.jetbrains.com/issue/KT-68974) Validate scopes of IrValueParameters in IrValidator ##### JavaScript ##### New Features - [`KT-70254`](https://youtrack.jetbrains.com/issue/KT-70254) K/JS: Generate arrows in ES6 mode instead of anonymous functions - [`KT-70283`](https://youtrack.jetbrains.com/issue/KT-70283) KJS / ES6: Don't generate bind(this) calls for anonymous functions that capture `this` ##### Fixes - [`KT-43567`](https://youtrack.jetbrains.com/issue/KT-43567) KJS: toString() method and string interpolation of variable produce different code - [`KT-70533`](https://youtrack.jetbrains.com/issue/KT-70533) KJS: changed string concatenation behavior in 2.0 - [`KT-14013`](https://youtrack.jetbrains.com/issue/KT-14013) JS toString produces different result for nullable/non-nullable ref to the same array - [`KT-72732`](https://youtrack.jetbrains.com/issue/KT-72732) KJS / ES6: "SyntaxError: 'super' keyword unexpected here" with enabled `-Xir-generate-inline-anonymous-functions` and disabled arrow functions - [`KT-69408`](https://youtrack.jetbrains.com/issue/KT-69408) \[JS] Enable insertAdditionalImplicitCasts=true (as in other KLIB-based backends) - [`KT-71821`](https://youtrack.jetbrains.com/issue/KT-71821) K/JS tests are failing with coroutines flow and turbine on timeout - [`KT-31799`](https://youtrack.jetbrains.com/issue/KT-31799) Allow non-identifier characters in Kotlin/JS (backquoted properties, `@JsName`) - [`KT-55869`](https://youtrack.jetbrains.com/issue/KT-55869) Coroutine is not intercepted, when the coroutine is started calling `startCoroutineUninterceptedOrReturn` using callable reference - [`KT-70117`](https://youtrack.jetbrains.com/issue/KT-70117) Generate debug info for code from `js` call - [`KT-69642`](https://youtrack.jetbrains.com/issue/KT-69642) ES generator-based coroutines rely on eval - [`KT-67452`](https://youtrack.jetbrains.com/issue/KT-67452) K2: Consider hiding dynamic type creation under FlexibleTypeFactory for JS only - [`KT-70226`](https://youtrack.jetbrains.com/issue/KT-70226) Delete JS tests that were only run with the legacy JS backend - [`KT-71338`](https://youtrack.jetbrains.com/issue/KT-71338) K/JS: Add a flag for switching generating arrow functions on & off - [`KT-69173`](https://youtrack.jetbrains.com/issue/KT-69173) Implement double-inlining for JS - [`KT-67327`](https://youtrack.jetbrains.com/issue/KT-67327) JS: Remove error tolerance - [`KT-69892`](https://youtrack.jetbrains.com/issue/KT-69892) Array.isArray() returns false for an instance returned by KtList.asReadonlyArrayView() - [`KT-70231`](https://youtrack.jetbrains.com/issue/KT-70231) Delete the org.jetbrains.kotlin.cli.js.dce.K2JSDce class - [`KT-69928`](https://youtrack.jetbrains.com/issue/KT-69928) KJS: keys() and values() of KtMap's JS view don't behave as expected - [`KT-70707`](https://youtrack.jetbrains.com/issue/KT-70707) KJS: asJsReadonlyMapView does not implement ReadonlyMap correctly - [`KT-71220`](https://youtrack.jetbrains.com/issue/KT-71220) Fix invalid IrFunctionReference creation in InnerClassConstructorCallsLowering - [`KT-70393`](https://youtrack.jetbrains.com/issue/KT-70393) Investigate failing JS test after switch stdlib compilation to K2 - [`KT-64429`](https://youtrack.jetbrains.com/issue/KT-64429) K2: Implement KlibJsIrTextTestCaseGenerated for K2 - [`KT-69587`](https://youtrack.jetbrains.com/issue/KT-69587) \[Tests] Fix multi-module deserialization in JS irText tests - [`KT-70219`](https://youtrack.jetbrains.com/issue/KT-70219) Delete the org.jetbrains.kotlin.cli.js.K2JSCompiler class - [`KT-70221`](https://youtrack.jetbrains.com/issue/KT-70221) Rename org.jetbrains.kotlin.cli.js.K2JsIrCompiler to K2JSCompiler - [`KT-70229`](https://youtrack.jetbrains.com/issue/KT-70229) Remove test classes related to the legacy JS backend - [`KT-70359`](https://youtrack.jetbrains.com/issue/KT-70359) Remove legacy backend-related test directives from Kotlin/JS tests - [`KT-70362`](https://youtrack.jetbrains.com/issue/KT-70362) Clean up Gradle tasks for running JS tests against the legacy JS backend - [`KT-66181`](https://youtrack.jetbrains.com/issue/KT-66181) Reorganize JsCodeOutliningLowering and keep it before the IR inliner - [`KT-30016`](https://youtrack.jetbrains.com/issue/KT-30016) JS BE does not generate special bridge methods - [`KT-68975`](https://youtrack.jetbrains.com/issue/KT-68975) KJS: Investigate calling `js(...)` from inline functions ##### KMM Plugin - [`KT-71011`](https://youtrack.jetbrains.com/issue/KT-71011) AS KMP plugin: ios application can't start for 2024.2.1 ##### Klibs ##### New Features - [`KT-64169`](https://youtrack.jetbrains.com/issue/KT-64169) \[KLIB Resolve] Don't skip libraries that happen to have the same `unique_name` - [`KT-68322`](https://youtrack.jetbrains.com/issue/KT-68322) Compiler (JS, Wasm): warn about incompatible Kotlin stdlib/compiler pair ##### Fixes - [`KT-61098`](https://youtrack.jetbrains.com/issue/KT-61098) \[KLIB Resolve] Don't allow working with KLIB "repositories" - [`KT-72965`](https://youtrack.jetbrains.com/issue/KT-72965) Ignore subclassOptInRequired constructor warning - [`KT-68792`](https://youtrack.jetbrains.com/issue/KT-68792) Bump KLIB ABI version in 2.1 - [`KT-67474`](https://youtrack.jetbrains.com/issue/KT-67474) K2: Missing `@ExtensionFunctionType` in metadata in KLIBs - [`KT-71633`](https://youtrack.jetbrains.com/issue/KT-71633) \[2.1.0] Suspicious "Argument type mismatch" error - [`KT-70146`](https://youtrack.jetbrains.com/issue/KT-70146) \[KLIB Resolve] Don't fail on nonexistent transitive dependency - [`KT-71455`](https://youtrack.jetbrains.com/issue/KT-71455) \[KLIB Resolve] Forbid passing KLIB unique names via CLI - [`KT-67448`](https://youtrack.jetbrains.com/issue/KT-67448) \[KLIB Resolve] Deprecate passing KLIB unique names via CLI - [`KT-67450`](https://youtrack.jetbrains.com/issue/KT-67450) \[KLIB Resolve] Kotlin/Native: Only one implicit repository should remain for the compiler ("dist") - [`KT-70285`](https://youtrack.jetbrains.com/issue/KT-70285) Warning about incompatible stdlib (JS/Wasm) is not reported if stdlib is unpacked - [`KT-66218`](https://youtrack.jetbrains.com/issue/KT-66218) Clean-up the code for serialization & deserialization of DFGs to & from KLIBs - [`KT-71414`](https://youtrack.jetbrains.com/issue/KT-71414) KotlinLibraryResolver.resolveWithDependencies was evolved in binary incompatible way - [`KT-68195`](https://youtrack.jetbrains.com/issue/KT-68195) move KlibMetadataProtoBuf to frondend-independent module ##### Language Design - [`KT-54617`](https://youtrack.jetbrains.com/issue/KT-54617) Stabilize `@SubclassOptInRequired`: ability to require opt-in for interface implementation - [`KT-54458`](https://youtrack.jetbrains.com/issue/KT-54458) Preview of non-local break and continue - [`KT-69924`](https://youtrack.jetbrains.com/issue/KT-69924) Mention 'if' guard when '&&' is used incorrectly - [`KT-71222`](https://youtrack.jetbrains.com/issue/KT-71222) Remove `@ExperimentalSubclassOptIn` from SubclassOptInRequired - [`KT-67675`](https://youtrack.jetbrains.com/issue/KT-67675) Allow usage of Array\<Nothing?> - [`KT-70754`](https://youtrack.jetbrains.com/issue/KT-70754) Changes in typeOf behaviour for Kotlin/Native - [`KT-58659`](https://youtrack.jetbrains.com/issue/KT-58659) Prohibit implementing a var property with an inherited val property ##### Libraries ##### Performance Improvements - [`KT-66715`](https://youtrack.jetbrains.com/issue/KT-66715) Performance: faster alternative to String.lines() ##### Fixes - [`KT-71628`](https://youtrack.jetbrains.com/issue/KT-71628) Review deprecations in stdlib for 2.1 - [`KT-69545`](https://youtrack.jetbrains.com/issue/KT-69545) Kotlin/Native: Deprecate API marked with FreezingIsDeprecated to error - [`KT-56076`](https://youtrack.jetbrains.com/issue/KT-56076) K2: build Kotlin standard library - [`KT-71660`](https://youtrack.jetbrains.com/issue/KT-71660) Stabilize experimental API for 2.1 - [`KT-54299`](https://youtrack.jetbrains.com/issue/KT-54299) Extract org.w3c declarations to separate library from K/Wasm Stdlib - [`KT-68027`](https://youtrack.jetbrains.com/issue/KT-68027) Document caveats and deincentivise usage of measureTimeMillis - [`KT-71581`](https://youtrack.jetbrains.com/issue/KT-71581) Update outdated documentation to common lazy and provide samples - [`KT-71796`](https://youtrack.jetbrains.com/issue/KT-71796) Improve documentation for Path.walk and Path.visitFileTree functions - [`KT-68019`](https://youtrack.jetbrains.com/issue/KT-68019) Fill in missing package descriptions for standard library documentation - [`KT-52181`](https://youtrack.jetbrains.com/issue/KT-52181) Native: Inconsistent behaviour of LinkedHashMap#entries on JVM and Native - [`KT-71570`](https://youtrack.jetbrains.com/issue/KT-71570) Document suspend lambda builder - [`KT-65526`](https://youtrack.jetbrains.com/issue/KT-65526) Rewrite builtins as expect-actual - [`KT-68502`](https://youtrack.jetbrains.com/issue/KT-68502) K2: Fix or suppress stdlib K2 warnings - [`KT-68731`](https://youtrack.jetbrains.com/issue/KT-68731) K2: Handle some formally incompatible expect/actual classes in JVM stdlib - [`KT-70378`](https://youtrack.jetbrains.com/issue/KT-70378) Implement custom serialization for Uuid - [`KT-70005`](https://youtrack.jetbrains.com/issue/KT-70005) K/Wasm and K/Native: IntArray.sort - array element access out of bounds - [`KT-66764`](https://youtrack.jetbrains.com/issue/KT-66764) kotlinx-benchmark: rework on kotlin-compiler-embeddable - [`KT-69817`](https://youtrack.jetbrains.com/issue/KT-69817) Set up klib binary API validation for stdlib - [`KT-68396`](https://youtrack.jetbrains.com/issue/KT-68396) Handle some formally incompatible top-level expects/actuals callables - [`KT-69524`](https://youtrack.jetbrains.com/issue/KT-69524) kotlin.uuid.Uuid: checkHyphenAt - error message always specified index 8 - [`KT-69327`](https://youtrack.jetbrains.com/issue/KT-69327) \[native] FloatingPointParser.initialParse works incorrectly for some inputs - [`KT-46785`](https://youtrack.jetbrains.com/issue/KT-46785) Get rid of !! after readLine() in the standard library ##### Native - [`KT-71435`](https://youtrack.jetbrains.com/issue/KT-71435) Native: cannot access class 'objcnames.classes.Protocol' - [`KT-49279`](https://youtrack.jetbrains.com/issue/KT-49279) Kotlin/Native: update LLVM from 11.1.0 to 16.0.0 - [`KT-61299`](https://youtrack.jetbrains.com/issue/KT-61299) Native: patch LLVM to prevent it from using signal handlers incompatibly with JVM - [`KT-69637`](https://youtrack.jetbrains.com/issue/KT-69637) Native: our LLVM shouldn't advise submitting bugs to the upstream - [`KT-64636`](https://youtrack.jetbrains.com/issue/KT-64636) kotlin.incremental.native=true causes IrLinkageError - [`KT-69142`](https://youtrack.jetbrains.com/issue/KT-69142) ObsoleteWorkersApi and FreezingIsDeprecated is not displayed on targets in webdocs ##### Native. Build Infrastructure - [`KT-71820`](https://youtrack.jetbrains.com/issue/KT-71820) Update the coroutines version used in kotlin-native build infrastructure - [`KT-69479`](https://youtrack.jetbrains.com/issue/KT-69479) Native: remove custom python version building from the LLVM builder container image - [`KT-63214`](https://youtrack.jetbrains.com/issue/KT-63214) \[K/N] llvm build script fails with MacOSX14.0.sdk sysroot ##### Native. ObjC Export - [`KT-62997`](https://youtrack.jetbrains.com/issue/KT-62997) IllegalStateException for hashCode(): KClass for Objective-C classes is not supported yet - [`KT-59497`](https://youtrack.jetbrains.com/issue/KT-59497) KClass.simpleName returns null in ObjC-inherited class ##### Native. Platform Libraries - [`KT-70032`](https://youtrack.jetbrains.com/issue/KT-70032) Rebuild platform libraries in 2.1.0 with Xcode 16 - [`KT-69448`](https://youtrack.jetbrains.com/issue/KT-69448) LLVM 16 clang with Xcode 16 headers: 'sys/cdefs.h' file not found ##### Native. Runtime - [`KT-70680`](https://youtrack.jetbrains.com/issue/KT-70680) Kotlin/Native: Use WritableTypeInfo when creating Swift wrapper from the runtime - [`KT-70568`](https://youtrack.jetbrains.com/issue/KT-70568) Native: revert workaround for debug with LLVM 16 - [`KT-67730`](https://youtrack.jetbrains.com/issue/KT-67730) Native: fix runtime compilation warnings after update to LLVM 16 ##### Native. Runtime. Memory - [`KT-72624`](https://youtrack.jetbrains.com/issue/KT-72624) Native: testRelease_on_unattached_thread sometimes fails with Releasing StableRef with rc 0 - [`KT-71401`](https://youtrack.jetbrains.com/issue/KT-71401) K/N: CMS barrier can be executed on an unregisterred thread - [`KT-70364`](https://youtrack.jetbrains.com/issue/KT-70364) Kotlin/Native: data race during GC initialization - [`KT-68544`](https://youtrack.jetbrains.com/issue/KT-68544) \[Native] Implement heap dump tool - [`KT-70365`](https://youtrack.jetbrains.com/issue/KT-70365) Kotlin/Native: make thread id be pointer size ##### Native. Swift Export ##### New Features - [`KT-71539`](https://youtrack.jetbrains.com/issue/KT-71539) Swift Export: export class member overrides - [`KT-70442`](https://youtrack.jetbrains.com/issue/KT-70442) Swift Export: export class inheritance - [`KT-68864`](https://youtrack.jetbrains.com/issue/KT-68864) Refactor internal details of swift-export-standalone ##### Fixes - [`KT-70678`](https://youtrack.jetbrains.com/issue/KT-70678) Swift Export: generate Kotlin<->Swift type mapping - [`KT-70920`](https://youtrack.jetbrains.com/issue/KT-70920) Swift Export Nullability: primitive type - [`KT-71087`](https://youtrack.jetbrains.com/issue/KT-71087) Swift Export: Nullability: Never - [`KT-71086`](https://youtrack.jetbrains.com/issue/KT-71086) Swift Export: Nullability: Strings - [`KT-70919`](https://youtrack.jetbrains.com/issue/KT-70919) Swift Export Nullability: reference type - [`KT-71026`](https://youtrack.jetbrains.com/issue/KT-71026) Swift Export: function overloading with ref types does not work - [`KT-70960`](https://youtrack.jetbrains.com/issue/KT-70960) Swift Export nullability: add nullability to sir and printer - [`KT-70063`](https://youtrack.jetbrains.com/issue/KT-70063) Swift export generates invalid Swift code for class and function with the same name - [`KT-70069`](https://youtrack.jetbrains.com/issue/KT-70069) Swift export: filter out extension properties - [`KT-70068`](https://youtrack.jetbrains.com/issue/KT-70068) Swift export: nullable types are not marked as unsupported - [`KT-69287`](https://youtrack.jetbrains.com/issue/KT-69287) Swift Export: support leaking dependencies - [`KT-69633`](https://youtrack.jetbrains.com/issue/KT-69633) Provide interface for multiple module translation - [`KT-69286`](https://youtrack.jetbrains.com/issue/KT-69286) \[Swift Export]\[TestInfra] Support translating multiple roots - [`KT-69376`](https://youtrack.jetbrains.com/issue/KT-69376) Property with Any type does not force addition of import ##### Reflection - [`KT-71378`](https://youtrack.jetbrains.com/issue/KT-71378) KotlinReflectionInternalError: Inconsistent number of parameters in the descriptor and Java reflection object ##### Specification - [`KT-53427`](https://youtrack.jetbrains.com/issue/KT-53427) Specify `@SubclassOptInRequired` ##### Tools. CLI ##### New Features - [`KT-8087`](https://youtrack.jetbrains.com/issue/KT-8087) Make it possible to suppress warnings globally in compiler (via command-line option) - [`KT-71537`](https://youtrack.jetbrains.com/issue/KT-71537) Add JVM target bytecode version 23 ##### Fixes - [`KT-70991`](https://youtrack.jetbrains.com/issue/KT-70991) K2: Compilation fails if project version has a comma - [`KT-70179`](https://youtrack.jetbrains.com/issue/KT-70179) K2: Building a file with kotlin-test-junit without junit does not include annotations - [`KT-72311`](https://youtrack.jetbrains.com/issue/KT-72311) KotlinCliJavaFileManagerImpl caches empty result and broke repeated analyses - [`KT-61745`](https://youtrack.jetbrains.com/issue/KT-61745) K2: support light tree in multi-module chunk mode - [`KT-70885`](https://youtrack.jetbrains.com/issue/KT-70885) Errors are not reported for wrong arguments in -Xsuppress-warning flag for non-jvm backends - [`KT-69541`](https://youtrack.jetbrains.com/issue/KT-69541) K2: "IllegalArgumentException: Unexpected versionNeededToExtract" on using JAR packaged as ZIP64 - [`KT-69434`](https://youtrack.jetbrains.com/issue/KT-69434) K2: Kotlin compiler JarFS can't handle large dependencies (>2GB) - [`KT-70959`](https://youtrack.jetbrains.com/issue/KT-70959) K2: Support legacy metadata jar format in K2 compiler - [`KT-70337`](https://youtrack.jetbrains.com/issue/KT-70337) Obsolete code is not removed after refactoring - `JvmEnvironmentConfigurator.registerModuleDependencies` - [`KT-70322`](https://youtrack.jetbrains.com/issue/KT-70322) Merge CLITool and CLICompiler classes ##### Tools. CLI. Native - [`KT-68673`](https://youtrack.jetbrains.com/issue/KT-68673) Kotlin/Native "You have not specified any compilation arguments. No output has been produced" when no source nor `-Xinclude` is passed ##### Tools. Compiler Plugins ##### Fixes - [`KT-72804`](https://youtrack.jetbrains.com/issue/KT-72804) Regression in Kotlin 2.1.0: compilation fails when building iOS - [`KT-72824`](https://youtrack.jetbrains.com/issue/KT-72824) Kotlin power-assert plugin StringIndexOutOfBoundsException - [`KT-71658`](https://youtrack.jetbrains.com/issue/KT-71658) Transform top-level atomic properties to Java boxed atomics - [`KT-65645`](https://youtrack.jetbrains.com/issue/KT-65645) Atomicfu-plugin: compilation hangs on a long string concatenation - [`KT-69038`](https://youtrack.jetbrains.com/issue/KT-69038) Power-Assert does not display const vals - [`KT-71525`](https://youtrack.jetbrains.com/issue/KT-71525) Setting JvmAbiConfigurationKeys.REMOVE_PRIVATE_CLASSES = true triggers java.util.ConcurrentModificationException - [`KT-41888`](https://youtrack.jetbrains.com/issue/KT-41888) IrExpression startOffset and endOffset are inconsistent with raw file text - [`KT-69856`](https://youtrack.jetbrains.com/issue/KT-69856) Compose Plugin: IrType.erasedUpperBound throws NullPointerException when evaluating IrScript nodes due to missing targetClass - [`KT-69410`](https://youtrack.jetbrains.com/issue/KT-69410) PowerAssert: Cannot find overload of requireNotNull without existing message - [`KT-66293`](https://youtrack.jetbrains.com/issue/KT-66293) Atomicfu-plugin: wrong return types for lowered extension functions - [`KT-69646`](https://youtrack.jetbrains.com/issue/KT-69646) PowerAssert: result of array access operator is unaligned - [`KT-70112`](https://youtrack.jetbrains.com/issue/KT-70112) Power Assert: multiline assertion support - [`KT-70504`](https://youtrack.jetbrains.com/issue/KT-70504) \[atomicfu-plugin] Incremental compilation fails for atomic extensions on JVM - [`KT-70351`](https://youtrack.jetbrains.com/issue/KT-70351) K2 CodeGen API exception triggered by a compose compiler plugin lowering transformer for data class example - [`KT-70113`](https://youtrack.jetbrains.com/issue/KT-70113) Power Assert: tab support - [`KT-69806`](https://youtrack.jetbrains.com/issue/KT-69806) K2: SOE on nested plugin-like annotation in class annotated with itself - [`KT-69538`](https://youtrack.jetbrains.com/issue/KT-69538) jvm-abi-gen: Remove copy$default if data class constructor is private and ConsistentCopyVisibility is used ##### Tools. Compiler plugins. Serialization - [`KT-70110`](https://youtrack.jetbrains.com/issue/KT-70110) Prohibit `@Serializable` on companion object of another `@Serializable` class - [`KT-69388`](https://youtrack.jetbrains.com/issue/KT-69388) Serialization: "You should use ConeClassLookupTagWithFixedSymbol" caused by `@Serializable` on local generic class ##### Tools. Daemon - [`KT-69929`](https://youtrack.jetbrains.com/issue/KT-69929) compileKotlin task reports that daemon has terminated unexpectedly - [`KT-72530`](https://youtrack.jetbrains.com/issue/KT-72530) The daemon has terminated unexpectedly on startup attempt [#&#8203;1](https://github.com/JetBrains/kotlin/issues/1) with error code: Unknown ##### Tools. Fleet. ObjC Export ##### Fixes - [`KT-71162`](https://youtrack.jetbrains.com/issue/KT-71162) ObjCExport: nullable functional type with reference arguments - [`KT-71022`](https://youtrack.jetbrains.com/issue/KT-71022) ObjCExport: enum c keywords translation - [`KT-71082`](https://youtrack.jetbrains.com/issue/KT-71082) ObjCExport: KotlinUnit translated as Function1 - [`KT-70781`](https://youtrack.jetbrains.com/issue/KT-70781) ObjCExport: classifiers and callables type parameters translation - [`KT-70943`](https://youtrack.jetbrains.com/issue/KT-70943) ObjCExport: extension order - [`KT-70840`](https://youtrack.jetbrains.com/issue/KT-70840) ObjCExport: duplicated interfaces - [`KT-70642`](https://youtrack.jetbrains.com/issue/KT-70642) ObjCExport: translate collection type arguments as id - [`KT-70546`](https://youtrack.jetbrains.com/issue/KT-70546) ObjCExport: method generic parameter is lost and translated as id - [`KT-70329`](https://youtrack.jetbrains.com/issue/KT-70329) ObjCExport: translation and forward of super generic types - [`KT-70263`](https://youtrack.jetbrains.com/issue/KT-70263) ObjCExport: generic extension support - [`KT-69685`](https://youtrack.jetbrains.com/issue/KT-69685) ObjCExport: extension translated as not extension - [`KT-70318`](https://youtrack.jetbrains.com/issue/KT-70318) ObjCExport: translate companion type - [`KT-69252`](https://youtrack.jetbrains.com/issue/KT-69252) ObjCExport: Get rid of context receivers from ./native/objcexport-header-generator ##### Tools. Gradle ##### New Features - [`KT-69940`](https://youtrack.jetbrains.com/issue/KT-69940) Expose supplementary compiler warnings via KGP - [`KT-71603`](https://youtrack.jetbrains.com/issue/KT-71603) Introduce KotlinJvmExtension and KotlinAndroidExtension - [`KT-70383`](https://youtrack.jetbrains.com/issue/KT-70383) KotlinJvmFactory registerKaptGenerateStubsTask() function should also request compilation task provider - [`KT-65125`](https://youtrack.jetbrains.com/issue/KT-65125) Provide basic support for Swift Export in Kotlin Gradle Plugin - [`KT-71602`](https://youtrack.jetbrains.com/issue/KT-71602) Introduce KotlinTopLevelExtension - [`KT-69927`](https://youtrack.jetbrains.com/issue/KT-69927) Need ability to pass KotlinJvmCompilerOptions to registerKotlinJvmCompileTask() - [`KT-71227`](https://youtrack.jetbrains.com/issue/KT-71227) \[Compose] Add PausableComposition feature flag to the Compose Gradle Plugin - [`KT-68345`](https://youtrack.jetbrains.com/issue/KT-68345) 'composeCompiler#stabilityConfigurationFile' doesn't allow setting multiple stability configuration files ##### Performance Improvements - [`KT-65285`](https://youtrack.jetbrains.com/issue/KT-65285) Use uncompressed Klibs ##### Fixes - [`KT-71411`](https://youtrack.jetbrains.com/issue/KT-71411) Add FUS statistics for new Dokka tasks - [`KT-72495`](https://youtrack.jetbrains.com/issue/KT-72495) Warn about kotlin-compiler-embeddable loaded along KGP - [`KT-70543`](https://youtrack.jetbrains.com/issue/KT-70543) Gradle: create migration guide for those who are using Kotlin compiler classes indirectly available in buildscripts - [`KT-69329`](https://youtrack.jetbrains.com/issue/KT-69329) Compatibility with Gradle 8.9 release - [`KT-71291`](https://youtrack.jetbrains.com/issue/KT-71291) Log plugins from the list as Gradle plugins - [`KT-69255`](https://youtrack.jetbrains.com/issue/KT-69255) Deprecate KotlinCompilationOutput#resourcesDirProvider - [`KT-61706`](https://youtrack.jetbrains.com/issue/KT-61706) Gradle: remove kotlin-compiler-embeddable from build runtime dependencies - [`KT-73128`](https://youtrack.jetbrains.com/issue/KT-73128) Apply Kotlinlang template for partial HTMLs - [`KT-47897`](https://youtrack.jetbrains.com/issue/KT-47897) Official Kotlin Gradle plugin api - [`KT-58858`](https://youtrack.jetbrains.com/issue/KT-58858) Add KDoc documentation for Kotlin Gradle plugin API - [`KT-73076`](https://youtrack.jetbrains.com/issue/KT-73076) Kotlin Gradle Plugin API Reference: adjust settings - [`KT-72387`](https://youtrack.jetbrains.com/issue/KT-72387) KGP 2.1.0-RC-227 changes cause KSP to crash calling produceUnpackedKlib - [`KT-53280`](https://youtrack.jetbrains.com/issue/KT-53280) Gradle plugin leaks some compiler related extensions into API - [`KT-69851`](https://youtrack.jetbrains.com/issue/KT-69851) Compatibility with Gradle 8.10 release - [`KT-65565`](https://youtrack.jetbrains.com/issue/KT-65565) Remove deprecated common platform plugin id - [`KT-69719`](https://youtrack.jetbrains.com/issue/KT-69719) Bump minimal supported Gradle version to 7.6.3 - [`KT-69721`](https://youtrack.jetbrains.com/issue/KT-69721) Bump minimal supported Android Gradle plugin version to 7.3.1 - [`KT-66944`](https://youtrack.jetbrains.com/issue/KT-66944) Relax host requirements on Kotlin klib compilation - [`KT-72651`](https://youtrack.jetbrains.com/issue/KT-72651) Unable to use `target` for KotlinBaseApiPlugin.createKotlin(Jvm/Android)Extension() - [`KT-72467`](https://youtrack.jetbrains.com/issue/KT-72467) kotlin.sourceSets extension not added for KotlinBaseApiPlugin.createKotlinAndroidExtension() - [`KT-72303`](https://youtrack.jetbrains.com/issue/KT-72303) KGP 2.1.0-Beta2 broke compatibility with KSP - [`KT-68596`](https://youtrack.jetbrains.com/issue/KT-68596) Update KGP deprecations before 2.1 - [`KT-67951`](https://youtrack.jetbrains.com/issue/KT-67951) Update Compose extension KDoc - [`KT-66049`](https://youtrack.jetbrains.com/issue/KT-66049) KGP JVM: Publishing isn't compatible with isolated projects and project dependencies - [`KT-71405`](https://youtrack.jetbrains.com/issue/KT-71405) Compose compiler gradle plugin: project.layout.file can't be used as a value of the 'stabilityConfigurationFiles' option - [`KT-71948`](https://youtrack.jetbrains.com/issue/KT-71948) KotlinJvmFactory : get rid of replaces with TODO() - [`KT-72092`](https://youtrack.jetbrains.com/issue/KT-72092) Gradle: use packed klib variant as the default when no packaging attribute is present - [`KT-58956`](https://youtrack.jetbrains.com/issue/KT-58956) Offer a shared interface for JVM and Android compilerOptions in Project extension - [`KT-70251`](https://youtrack.jetbrains.com/issue/KT-70251) Gradle: hide compiler symbols in KGP - [`KT-70430`](https://youtrack.jetbrains.com/issue/KT-70430) Clean-up obsolete Gradle plugin variants for Gradle versions <7.6 - [`KT-69853`](https://youtrack.jetbrains.com/issue/KT-69853) Compile against Gradle API 8.10 - [`KT-69852`](https://youtrack.jetbrains.com/issue/KT-69852) Run Gradle integration tests against Gradle 8.10 release - [`KT-65990`](https://youtrack.jetbrains.com/issue/KT-65990) Update `GradleDeprecatedOption.level` values for arguments removed from the DSL after 2.1 - [`KT-69331`](https://youtrack.jetbrains.com/issue/KT-69331) Run tests against Gradle 8.9 release - [`KT-69332`](https://youtrack.jetbrains.com/issue/KT-69332) Compile against Gradle 8.9 API - [`KT-67174`](https://youtrack.jetbrains.com/issue/KT-67174) Cleanup old Test DSL - [`KT-71071`](https://youtrack.jetbrains.com/issue/KT-71071) BuildFusStatisticsIT.testInvalidFusReportDir test failes on Windows - [`KT-69585`](https://youtrack.jetbrains.com/issue/KT-69585) KGP / Composite Build: "Could not apply withXml() to generated POM" during publishing - [`KT-59769`](https://youtrack.jetbrains.com/issue/KT-59769) Many "Unexpected exception happened" warnings during build without internet connection ##### Tools. Gradle. Cocoapods - [`KT-63811`](https://youtrack.jetbrains.com/issue/KT-63811) cinterop fails to build klib for iosArm64 target when iOS simulator SDK isn't installed - [`KT-70500`](https://youtrack.jetbrains.com/issue/KT-70500) Remove useLibraries from CocoaPods plugin - [`KT-56947`](https://youtrack.jetbrains.com/issue/KT-56947) Replace AFNetworking with a smaller library in tests ##### Tools. Gradle. JS - [`KT-69628`](https://youtrack.jetbrains.com/issue/KT-69628) K/Wasm: Node.js version per project - [`KT-71578`](https://youtrack.jetbrains.com/issue/KT-71578) KotlinJS. Webpack does not recompile on changes with `per-file` - [`KT-71536`](https://youtrack.jetbrains.com/issue/KT-71536) \[JS, Wasm] Stop collecting information about KLIB IC in Kotlin2JsCompile - [`KT-70621`](https://youtrack.jetbrains.com/issue/KT-70621) Move kotlin-test-js-runner out of Kotlin repository - [`KT-67442`](https://youtrack.jetbrains.com/issue/KT-67442) KJS / Gradle: `kotlinStorePackageLock` fails due to OS-dependent lockfile with npm package manager ##### Tools. Gradle. Multiplatform ##### New Features - [`KT-70469`](https://youtrack.jetbrains.com/issue/KT-70469) Add feature flag for Project Isolation and Kotlin Multiplatform - [`KT-70897`](https://youtrack.jetbrains.com/issue/KT-70897) Add KotlinBaseApiPlugin.kotlinAndroidExtension ##### Fixes - [`KT-71206`](https://youtrack.jetbrains.com/issue/KT-71206) KGP: Test source set may get duplicated KLIBs of different versions - [`KT-71209`](https://youtrack.jetbrains.com/issue/KT-71209) Drop Hierarchy Template diagnostic about used shortcuts - [`KT-69412`](https://youtrack.jetbrains.com/issue/KT-69412) Change `KotlinTargetAlreadyDeclaredChecker`'s severity from warning to error - [`KT-70060`](https://youtrack.jetbrains.com/issue/KT-70060) KGP: handleHierarchicalStructureFlagsMigration doesn't support project isolation - [`KT-57280`](https://youtrack.jetbrains.com/issue/KT-57280) Expose Kotlin Project Structure metadata via consumable configurations instead of accessing all gradle projects directly - [`KT-64999`](https://youtrack.jetbrains.com/issue/KT-64999) Support Project Isolation with Kotlin Native tasks (XCode integration, Cocoapods etc) - [`KT-64998`](https://youtrack.jetbrains.com/issue/KT-64998) Granular Metadata Dependencies Transformation is not compatible with Project Isolation - [`KT-70650`](https://youtrack.jetbrains.com/issue/KT-70650) GenerateProjectStructureMetadata is not compatible with Project Isolation - [`KT-71675`](https://youtrack.jetbrains.com/issue/KT-71675) checkSandboxAndWriteProtection collides with Compose's syncComposeResources - [`KT-66461`](https://youtrack.jetbrains.com/issue/KT-66461) Promote compiler options DSL for multiplatform projects to stable - [`KT-69323`](https://youtrack.jetbrains.com/issue/KT-69323) Don't pass platform dependencies to metadata compilation - [`KT-72454`](https://youtrack.jetbrains.com/issue/KT-72454) Revert changes made in KT-69899 i.e. make kotlin.android.buildTypeAttribute.keep = false by default again - [`KT-70380`](https://youtrack.jetbrains.com/issue/KT-70380) KMM App failed to consume android binary lib - [`KT-71423`](https://youtrack.jetbrains.com/issue/KT-71423) Xcode archive missing dSYM files since Kotlin 2.0.20 - [`KT-69899`](https://youtrack.jetbrains.com/issue/KT-69899) KMP: Publish BuildType by default for android publications with multiple variants - [`KT-71428`](https://youtrack.jetbrains.com/issue/KT-71428) Change deprecation message for KMP target shorcuts - [`KT-58231`](https://youtrack.jetbrains.com/issue/KT-58231) Kotlin Gradle Plugin: set deprecation level to Error for KotlinTarget.useDisambiguationClassifierAsSourceSetNamePrefix and overrideDisambiguationClassifierOnIdeImport - [`KT-72068`](https://youtrack.jetbrains.com/issue/KT-72068) Distribution for klib cross-compilation is not downloaded during compile tasks - [`KT-70612`](https://youtrack.jetbrains.com/issue/KT-70612) Report incompatibility warning when Project Isolation enabled and Included builds are used - [`KT-71529`](https://youtrack.jetbrains.com/issue/KT-71529) Deprecate targetFromPreset API with an error - [`KT-69614`](https://youtrack.jetbrains.com/issue/KT-69614) Deprecate with error ios/tvos/watchos presets - [`KT-69974`](https://youtrack.jetbrains.com/issue/KT-69974) KMP: POM dependency rewriter doesn't work with Included Builds OR dependencySubstitution - [`KT-69472`](https://youtrack.jetbrains.com/issue/KT-69472) Remove IncompatibleAgpVersionTooHighWarning diagnostic - [`KT-64996`](https://youtrack.jetbrains.com/issue/KT-64996) Commonize Native Distribution task is not compatible with Project Isolation - [`KT-62911`](https://youtrack.jetbrains.com/issue/KT-62911) Export Kotlin Multipaltform Project Coordinates as a secondary variant of apiMetadataElements - [`KT-70888`](https://youtrack.jetbrains.com/issue/KT-70888) Project isolation: Project cannot dynamically look up a property in the parent project at PropertiesProvider.propertiesWithPrefix - [`KT-70688`](https://youtrack.jetbrains.com/issue/KT-70688) Move ExperimentalSwiftExportDsl to another package - [`KT-58298`](https://youtrack.jetbrains.com/issue/KT-58298) AndroidAndJavaConsumeMppLibIT maintenance: Convert to new infrastructure and add test for newer AGP versions - [`KT-68976`](https://youtrack.jetbrains.com/issue/KT-68976) K2 IDE: Unresolved FileSystem.SYSTEM from OKIO in shared source sets ##### Tools. Gradle. Native - [`KT-67162`](https://youtrack.jetbrains.com/issue/KT-67162) KGP: Kotlin/Native with Isolated Projects: kotlinNativeBundleBuildService cannot be changed any futher - [`KT-72366`](https://youtrack.jetbrains.com/issue/KT-72366) KGP 2.1.0-Beta2 doesn't download `kotlin-native-prebuilt` when running Dokka - [`KT-45559`](https://youtrack.jetbrains.com/issue/KT-45559) CInteropProcess: Changes to header files are not recognized; Task is still UP-TO-DATE - [`KT-71051`](https://youtrack.jetbrains.com/issue/KT-71051) K/N dependencies are re-downloaded multiple times on Windows - [`KT-71398`](https://youtrack.jetbrains.com/issue/KT-71398) kotlinNativeBundleConfiguration should not contain dependencies on unsupported platforms - [`KT-71722`](https://youtrack.jetbrains.com/issue/KT-71722) kotlinNativeBundleConfiguration present in JVM-only Gradle project - [`KT-55832`](https://youtrack.jetbrains.com/issue/KT-55832) Support passing errors to Xcode when configuration cache is enabled - [`KT-70690`](https://youtrack.jetbrains.com/issue/KT-70690) not possible to build iOS app with Swift Export and Xcode 16 - [`KT-65838`](https://youtrack.jetbrains.com/issue/KT-65838) Remove project usage from PlatformLibrariesGenerator - [`KT-70875`](https://youtrack.jetbrains.com/issue/KT-70875) KSP1 native tasks fail on configuration phase ##### Tools. Incremental Compile - [`KT-69123`](https://youtrack.jetbrains.com/issue/KT-69123) IC: "NoSuchFieldError: No instance field". Not tracking changes to Android ViewBinding class ##### Tools. JPS - [`KT-68565`](https://youtrack.jetbrains.com/issue/KT-68565) K2: IllegalStateException: Source classes should be created separately before referencing - [`KT-71042`](https://youtrack.jetbrains.com/issue/KT-71042) `JAVA_MODULE_DOES_NOT_READ_UNNAMED_MODULE` when compiling IntelliJ ##### Tools. Kapt - [`KT-72249`](https://youtrack.jetbrains.com/issue/KT-72249) K2 KAPT Not picking up use site annontation like K1 Kapt - [`KT-69860`](https://youtrack.jetbrains.com/issue/KT-69860) K2 kapt: use compiler directly instead of Analysis API - [`KT-71776`](https://youtrack.jetbrains.com/issue/KT-71776) K2 Kapt in 2.1.0-Beta1 fails with `e: java.lang.IllegalStateException: FIR symbol "class org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol" is not supported in constant evaluation` - [`KT-70879`](https://youtrack.jetbrains.com/issue/KT-70879) Kapt: check that Kotlin 2.1 language features are ignored correctly by K1 kapt - [`KT-71431`](https://youtrack.jetbrains.com/issue/KT-71431) K2KAPT fails on modules without any annotation processors - [`KT-70600`](https://youtrack.jetbrains.com/issue/KT-70600) K2 KAPT: inline reified function has a null signature - [`KT-70718`](https://youtrack.jetbrains.com/issue/KT-70718) Kapt: "error: could not load module <Error module>" on error type in data class component - [`KT-69861`](https://youtrack.jetbrains.com/issue/KT-69861) Kapt: use IR to obtain line information instead of PSI ##### Tools. REPL - [`KT-71109`](https://youtrack.jetbrains.com/issue/KT-71109) Kotlin Scripting REPL doesn't support keyboard shortcuts ##### Tools. Scripts - [`KT-68685`](https://youtrack.jetbrains.com/issue/KT-68685) K2 / Script: "KotlinReflectionInternalError: Unresolved class:" caused by main.kts script with nested classes and reflection - [`KT-68545`](https://youtrack.jetbrains.com/issue/KT-68545) Using labeled `this` access to implicit receivers fails in scripts ##### Tools. Wasm - [`KT-67797`](https://youtrack.jetbrains.com/issue/KT-67797) Improve the variable view during debugging in Fleet for Kotlin/Wasm - [`KT-71506`](https://youtrack.jetbrains.com/issue/KT-71506) \[Wasm, IC] FUS report for builds with incremental compilation - [`KT-70100`](https://youtrack.jetbrains.com/issue/KT-70100) wasmJs Target Fails to Compile on ARM64 Linux - [`KT-70367`](https://youtrack.jetbrains.com/issue/KT-70367) Update binaryen once we get a release with PR 6793 - [`KT-67863`](https://youtrack.jetbrains.com/issue/KT-67863) K/Wasm: Remove ChromeWasmGc - [`KT-71360`](https://youtrack.jetbrains.com/issue/KT-71360) K/JS & K/Wasm: Upgrade NPM dependencies - [`KT-70297`](https://youtrack.jetbrains.com/issue/KT-70297) Wasm: Incorrect kotlinJsTestRunner version set in Multi-Project Builds with mixed kotlin-stdlibs ### [`v2.0.21`](https://github.com/JetBrains/kotlin/releases/tag/v2.0.21): Kotlin 2.0.21 [Compare Source](https://github.com/JetBrains/kotlin/compare/v2.0.20...v2.0.21) #### Changelog ##### Apple Ecosystem - [`KT-69093`](https://youtrack.jetbrains.com/issue/KT-69093) Xcode 16 support in Kotlin ##### Backend. Native. Debug - [`KT-71374`](https://youtrack.jetbrains.com/issue/KT-71374) lldb: step out breaks breaking in Xcode 16 ##### Compiler ##### Fixes - [`KT-69735`](https://youtrack.jetbrains.com/issue/KT-69735) K2: Static fields are missing from the declaration list of corresponding IrClass for java class - [`KT-71122`](https://youtrack.jetbrains.com/issue/KT-71122) Regression in Kotlin Compiler 2.0 causing NPE in the runtime - [`KT-70931`](https://youtrack.jetbrains.com/issue/KT-70931) K2 / Scripts: "cannot convert IrExpression to ConstantValue" when using function annotation - [`KT-70584`](https://youtrack.jetbrains.com/issue/KT-70584) K2: "IllegalStateException: flow for PostponedLambdaExitNode not initialized - traversing nodes in wrong order?" - [`KT-70808`](https://youtrack.jetbrains.com/issue/KT-70808) K2: "node has already been visited" with anonymous object in dead code - [`KT-69985`](https://youtrack.jetbrains.com/issue/KT-69985) K2: Classifier declarations from root package are resolved without imports in non-root packages - [`KT-70683`](https://youtrack.jetbrains.com/issue/KT-70683) K2: Internal compiler error in IrFakeOverrideSymbolBase.getOwner - [`KT-70901`](https://youtrack.jetbrains.com/issue/KT-70901) False positive Public-API inline function cannot access non-public-API property accessor - [`KT-70930`](https://youtrack.jetbrains.com/issue/KT-70930) K2: Java annotations not present on ENUM_ENTRY IR elements - [`KT-70194`](https://youtrack.jetbrains.com/issue/KT-70194) K2 IDE: exception on a very red file - [`KT-69399`](https://youtrack.jetbrains.com/issue/KT-69399) Native: IllegalStateException: "Failed to build cache" ##### Compose compiler ##### Fixes - [`b/329477544`](https://issuetracker.google.com/issues/329477544) Force open / overridden Composable functions to be non-restartable. - [`b/361652128`](https://issuetracker.google.com/issues/361652128) Disable live literal transform if the corresponding flag is disabled ##### IR. Actualizer - [`KT-70894`](https://youtrack.jetbrains.com/issue/KT-70894) IR crash. Unprocessed `IrFunctionFakeOverrideSymbol` when actualize to Java ##### IR. Tree - [`KT-71191`](https://youtrack.jetbrains.com/issue/KT-71191) SymbolTable: Check if the provided signature is public before adding a symbol to the SymbolTable ##### Native. Build Infrastructure - [`KT-71485`](https://youtrack.jetbrains.com/issue/KT-71485) K/N runtime parts don't build due to \_Float16 issues on x86\_64 macOS ##### Native. C Export - [`KT-69507`](https://youtrack.jetbrains.com/issue/KT-69507) LLVM 11 clang with Xcode 16 headers: standard c++ headers ##### Native. C and ObjC Import - [`KT-71029`](https://youtrack.jetbrains.com/issue/KT-71029) Investigate why stdarg.h declarations leak into testModuleA ##### Native. Platform Libraries - [`KT-70566`](https://youtrack.jetbrains.com/issue/KT-70566) LLVM 11 clang with Xcode 16 headers: 'sys/cdefs.h' file not found - [`KT-71624`](https://youtrack.jetbrains.com/issue/KT-71624) Eliminate remaining UIKit/AppKit removed signatures - [`KT-70031`](https://youtrack.jetbrains.com/issue/KT-70031) Rebuild platform libraries in 2.0.21 with Xcode 16 ##### Native. Testing - [`KT-70603`](https://youtrack.jetbrains.com/issue/KT-70603) C++ with -fmodules: cyclic dependency in module 'std': std -> \_wctype -> \__wctype -> std in dev llvm toolchains ##### Tools. CLI. Native - [`KT-71262`](https://youtrack.jetbrains.com/issue/KT-71262) KotlinNativeLink tasks fetching from network despite -Xoverride-konan-properties=dependenciesUrl= being set ##### Tools. Compiler Plugins - [`KT-71038`](https://youtrack.jetbrains.com/issue/KT-71038) PowerAssert: Constant on RHS of elvis operator leads to compiler crash ##### Tools. Daemon - [`KT-35381`](https://youtrack.jetbrains.com/issue/KT-35381) Get rid of the native-platform usage in kotlin compiler ##### Tools. Gradle. Multiplatform - [`KT-71444`](https://youtrack.jetbrains.com/issue/KT-71444) Certain POMs produced by Kotlin 2.0.20 cannot be consumed by KMP projects with Android targets - [`KT-70700`](https://youtrack.jetbrains.com/issue/KT-70700) Gradle 8.10: The value for task ':commonizeNativeDistribution' property 'kotlinNativeBundleBuildService' cannot be changed any further - [`KT-71396`](https://youtrack.jetbrains.com/issue/KT-71396) Gradle client side JVM explodes with OOM due to xcodebuild logs ##### Tools. Gradle. Native - [`KT-71419`](https://youtrack.jetbrains.com/issue/KT-71419) Light bundle KGP IT run against a stable K/N version ##### Tools. JPS - [`KT-71450`](https://youtrack.jetbrains.com/issue/KT-71450) Constant build failure: com.intellij.util.io.ClosedStorageException: storage is already closed ### [`v2.0.20`](https://github.com/JetBrains/kotlin/releases/tag/v2.0.20): Kotlin 2.0.20 [Compare Source](https://github.com/JetBrains/kotlin/compare/v2.0.10...v2.0.20) #### Changelog ##### Analysis. API ##### New Features - [`KT-68143`](https://youtrack.jetbrains.com/issue/KT-68143) Analysis API: support KtWhenConditionInRange call resolution ##### Performance Improvements - [`KT-67195`](https://youtrack.jetbrains.com/issue/KT-67195) K2: do not call redundant resolve on body resolution phase for classes ##### Fixes - [`KT-67360`](https://youtrack.jetbrains.com/issue/KT-67360) Analysis API: KtDestructuringDeclarationSymbol#entries shouldn't be KtLocalVariableSymbol - [`KT-67748`](https://youtrack.jetbrains.com/issue/KT-67748) K2: AllCandidatesResolver modifies the original FirDelegatedConstructorCall - [`KT-68198`](https://youtrack.jetbrains.com/issue/KT-68198) Analysis API: Support application service registration in plugin XMLs - [`KT-62936`](https://youtrack.jetbrains.com/issue/KT-62936) Analysis API: NativeForwardDeclarationsSymbolProvider is not supported for Kotlin/Native - [`KT-68689`](https://youtrack.jetbrains.com/issue/KT-68689) LL API: support analysis from builtins module - [`KT-69630`](https://youtrack.jetbrains.com/issue/KT-69630) KAPT User project builds with KAPT4 enabled fail with Metaspace overflow - [`KT-65417`](https://youtrack.jetbrains.com/issue/KT-65417) K2 IDE: KTOR false positive expect-actual matching error on enum class because of implicit clone() in non-JVM source sets - [`KT-68882`](https://youtrack.jetbrains.com/issue/KT-68882) Analysis API: Refactor `KaSymbol`s - [`KT-65413`](https://youtrack.jetbrains.com/issue/KT-65413) K2 IDE: KTOR unresolved serializer() call for `@Serializable` class in common code - [`KT-67996`](https://youtrack.jetbrains.com/issue/KT-67996) Analysis API: rename Kt prefix to Ka - [`KT-67775`](https://youtrack.jetbrains.com/issue/KT-67775) Analysis API: expose only interfaces/abstract classes for the user surface - [`KT-68009`](https://youtrack.jetbrains.com/issue/KT-68009) K2: lowering transformers of Compose compiler plugin access AbstractFir2IrLazyFunction modality, which results in null point exception - [`KT-68918`](https://youtrack.jetbrains.com/issue/KT-68918) collectCallCandidates works incorrectly for parenthesis invoke - [`KT-68462`](https://youtrack.jetbrains.com/issue/KT-68462) Analysis API: Integrate `project-structure` module into `analysis-api` and `analysis-api-platform-interface` - [`KT-69131`](https://youtrack.jetbrains.com/issue/KT-69131) AA: "provideDelegate" operator is not resolved from the delegation reference in FIR implementation - [`KT-69055`](https://youtrack.jetbrains.com/issue/KT-69055) Analysis API: Stabilize `KaScope`s - [`KT-66216`](https://youtrack.jetbrains.com/issue/KT-66216) K2 IDE. "FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtProperty, fir is null" on incorrect string template - [`KT-68959`](https://youtrack.jetbrains.com/issue/KT-68959) Introduce KaSeverity - [`KT-53669`](https://youtrack.jetbrains.com/issue/KT-53669) Analysis API: redesign KtSymbolOrigin to distinguish kotlin/java source/library declarations - [`KT-68846`](https://youtrack.jetbrains.com/issue/KT-68846) Mark KaFirReference and all implementations with internal modifier - [`KT-68845`](https://youtrack.jetbrains.com/issue/KT-68845) Move KaSymbolBasedReference to resolution package - [`KT-68844`](https://youtrack.jetbrains.com/issue/KT-68844) Move KaTypeProjection to types package - [`KT-65849`](https://youtrack.jetbrains.com/issue/KT-65849) K2: Rename 'high-level-api' family of JARs to 'analysis-api' - [`KT-62540`](https://youtrack.jetbrains.com/issue/KT-62540) Remove uses of TypeInfo.fromString and TypeInfo.createTypeText from Kotlin plugin - [`KT-62889`](https://youtrack.jetbrains.com/issue/KT-62889) K2 IDE. FP `MISSING_DEPENDENCY_CLASS` on not available type alias with available underlying type - [`KT-68155`](https://youtrack.jetbrains.com/issue/KT-68155) Analysis API: Add PSI validity check to `analyze` - [`KT-62343`](https://youtrack.jetbrains.com/issue/KT-62343) Analysis API: fix binary incopatibility problems cause by `KtAnalysisSessionProvider.analyze` being inline - [`KT-68498`](https://youtrack.jetbrains.com/issue/KT-68498) To get reference symbol the one should be KtSymbolBasedReference - [`KT-68393`](https://youtrack.jetbrains.com/issue/KT-68393) Analysis API: Rename `KaClassLikeSymbol. classIdIfNonLocal` to `classId` - [`KT-62924`](https://youtrack.jetbrains.com/issue/KT-62924) Analysis API: rename KtCallableSymbol.callableIdIfNonLocal -> callableId - [`KT-66712`](https://youtrack.jetbrains.com/issue/KT-66712) K2 IDE. SOE on settings string template for string variable with the same name - [`KT-65892`](https://youtrack.jetbrains.com/issue/KT-65892) K2: "We should be able to find a symbol" for findNonLocalFunction - [`KT-68273`](https://youtrack.jetbrains.com/issue/KT-68273) AA: support `KtFirKDocReference#isReferenceToImportAlias` - [`KT-68272`](https://youtrack.jetbrains.com/issue/KT-68272) AA: KtFirReference.isReferenceToImportAlias doesn't work for references on constructor - [`KT-66996`](https://youtrack.jetbrains.com/issue/KT-66996) Analysis API: Expose the abbreviated type of an expanded `KtType` - [`KT-66646`](https://youtrack.jetbrains.com/issue/KT-66646) K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl from FirJsHelpersKt.isExportedObject - [`KT-68203`](https://youtrack.jetbrains.com/issue/KT-68203) K2: Analysis API: wrong type of receiver value in case of imported object member - [`KT-68031`](https://youtrack.jetbrains.com/issue/KT-68031) LL resolve crash in case of PCLA inference with local object - [`KT-67851`](https://youtrack.jetbrains.com/issue/KT-67851) K2: `PsiReference#isReferenceTo` always returns false for references to Java getters - [`KT-68076`](https://youtrack.jetbrains.com/issue/KT-68076) AA: use type code fragments for import alias detection - [`KT-65915`](https://youtrack.jetbrains.com/issue/KT-65915) K2: Analysis API: extract services registration into xml file - [`KT-68049`](https://youtrack.jetbrains.com/issue/KT-68049) Analysis API: do not expose imported symbols - [`KT-68075`](https://youtrack.jetbrains.com/issue/KT-68075) K2: Analysis API: Type arguments for delegation constructor to java constructor with type parameters not supported - [`KT-65190`](https://youtrack.jetbrains.com/issue/KT-65190) AA: reference to the super type is not resolved - [`KT-68070`](https://youtrack.jetbrains.com/issue/KT-68070) AA: KtExpressionInfoProvider#isUsedAsExpression doesn't work for KtPropertyDelegate - [`KT-67743`](https://youtrack.jetbrains.com/issue/KT-67743) K2: Stubs & AbbreviatedTypeAttribute - [`KT-67706`](https://youtrack.jetbrains.com/issue/KT-67706) K2: "KtDotQualifiedExpression is not a subtype of class KtNamedDeclaration" from UnusedChecker - [`KT-68021`](https://youtrack.jetbrains.com/issue/KT-68021) Analysis API: do not break the diagnostic collection in a case of exception from some collector - [`KT-67973`](https://youtrack.jetbrains.com/issue/KT-67973) AA FIR: wrong KtCall modeling for == from type bound - [`KT-67949`](https://youtrack.jetbrains.com/issue/KT-67949) AA: Type arguments of Java methods' calls are not reported as used by KtFirImportOptimizer - [`KT-67988`](https://youtrack.jetbrains.com/issue/KT-67988) AA: functional type at receiver position should be wrapped in parenthesis - [`KT-66536`](https://youtrack.jetbrains.com/issue/KT-66536) Analysis API: ContextCollector doesn't provide implicit receivers from FirExpressionResolutionExtension - [`KT-67321`](https://youtrack.jetbrains.com/issue/KT-67321) AA: Type arguments of Java methods' calls are not resolved - [`KT-64158`](https://youtrack.jetbrains.com/issue/KT-64158) K2: "KotlinIllegalArgumentExceptionWithAttachments: No fir element was found for KtParameter" - [`KT-60344`](https://youtrack.jetbrains.com/issue/KT-60344) K2 IDE. "KotlinExceptionWithAttachments: expect `createKtCall` to succeed for resolvable case with callable symbol" on attempt to assign value to param named getParam - [`KT-64599`](https://youtrack.jetbrains.com/issue/KT-64599) K2: "expect `createKtCall` to succeed for resolvable case with callable" for unfinished if statement - [`KT-60330`](https://youtrack.jetbrains.com/issue/KT-60330) K2 IDE. ".KotlinExceptionWithAttachments: expect `createKtCall` to succeed for resolvable case with callable symbol" on attempt to assign or compare true with something - [`KT-66672`](https://youtrack.jetbrains.com/issue/KT-66672) K2 IDE. False positive INVISIBLE_REFERENCE on accessing private subclass as type argument in parent class declaration - [`KT-67750`](https://youtrack.jetbrains.com/issue/KT-67750) Analysis API: Remove `infix` modifiers from type equality and subtyping functions - [`KT-67655`](https://youtrack.jetbrains.com/issue/KT-67655) Analysis API: declare a rule how to deal with parameters in KtLifetimeOwner - [`KT-61775`](https://youtrack.jetbrains.com/issue/KT-61775) Analysis API: KtKClassAnnotationValue lacks complete type information - [`KT-67168`](https://youtrack.jetbrains.com/issue/KT-67168) K2: Analysis API: Rendering is broken for JSR-305 enhanced Java types - [`KT-66689`](https://youtrack.jetbrains.com/issue/KT-66689) Analysis API: KtFirPackageScope shouldn't rely on KotlinDeclarationProvider for binary dependencies in standalone mode - [`KT-60483`](https://youtrack.jetbrains.com/issue/KT-60483) Analysis API: add isTailrec property to KtFunctionSymbol - [`KT-67472`](https://youtrack.jetbrains.com/issue/KT-67472) K2: Analysis API FIR: KtFunctionCall misses argument with desugared expressions - [`KT-65759`](https://youtrack.jetbrains.com/issue/KT-65759) Analysis API: Avoid hard references to `LLFirSession` in session validity trackers - [`KT-60272`](https://youtrack.jetbrains.com/issue/KT-60272) K2: Implement active invalidation of `KtAnalysisSession`s - [`KT-66765`](https://youtrack.jetbrains.com/issue/KT-66765) K2: Analysis API: support classpath substitution with library dependencies in super type transformer - [`KT-67265`](https://youtrack.jetbrains.com/issue/KT-67265) K2: status phase should resolve original declarations in the case of classpath subsitution - [`KT-67244`](https://youtrack.jetbrains.com/issue/KT-67244) K2: StackOverflowError in the case of cyclic type hierarchy and library classpath substitution - [`KT-67080`](https://youtrack.jetbrains.com/issue/KT-67080) K2: clearer contract for lazyResolveToPhaseWithCallableMembers - [`KT-66713`](https://youtrack.jetbrains.com/issue/KT-66713) K2 FIR: Expose a way to get the module name used for name mangling - [`KT-61892`](https://youtrack.jetbrains.com/issue/KT-61892) KtType#asPsiType could provide nullability annotations - [`KT-66122`](https://youtrack.jetbrains.com/issue/KT-66122) Analysis API: Pass `KtTestModule` instead of `TestModule` to tests based on `AbstractAnalysisApiBasedTest` ##### Analysis. Light Classes - [`KT-65714`](https://youtrack.jetbrains.com/issue/KT-65714) K2: IDE K2: "org.jetbrains.kotlin.analysis.api.fir.symbols.pointers.KtFirClassLikeSymbolPointer pointer already disposed" - [`KT-65835`](https://youtrack.jetbrains.com/issue/KT-65835) `SymbolLightClassForClassLike.getName` returns `null` for a companion object instead of `Companion` - [`KT-68261`](https://youtrack.jetbrains.com/issue/KT-68261) SLC: Constructors of sealed classes should be private - [`KT-68696`](https://youtrack.jetbrains.com/issue/KT-68696) Drop `DecompiledPsiDeclarationProvider`-related stuff - [`KT-68404`](https://youtrack.jetbrains.com/issue/KT-68404) SLC: wrong binary resolution to declaration with `@JvmName` - [`KT-68275`](https://youtrack.jetbrains.com/issue/KT-68275) LC: no arg constructor is not visible in light classes - [`KT-66687`](https://youtrack.jetbrains.com/issue/KT-66687) Symbol Light Classes: Duplicate field names for classes with companion objects - [`KT-66804`](https://youtrack.jetbrains.com/issue/KT-66804) Symbol Light Classes: Fields from the parent interface's companion are added to DefaultImpls ##### Apple Ecosystem - [`KT-65542`](https://youtrack.jetbrains.com/issue/KT-65542) Cinterop tasks fails if Xcode 15.3 is used ##### Backend. Native. Debug - [`KT-67567`](https://youtrack.jetbrains.com/issue/KT-67567) Native: after updating to LLVM 16 lldb hangs when smooth stepping ##### Backend. Wasm - [`KT-70591`](https://youtrack.jetbrains.com/issue/KT-70591) To much sources that don't exist inside SourceMap file - [`KT-69529`](https://youtrack.jetbrains.com/issue/KT-69529) compileProductionExecutableKotlinWasmJs FAILED: No such value argument slot in IrConstructorCallImpl: 1 (total=1) - [`KT-68088`](https://youtrack.jetbrains.com/issue/KT-68088) Wasm: "UNREACHABLE executed at Precompute.cpp:838" running gradle task wasmJsBrowserDistribution for compose multiplatform on Windows - [`KT-65798`](https://youtrack.jetbrains.com/issue/KT-65798) K/Wasm: make an error on default export usage - [`KT-68828`](https://youtrack.jetbrains.com/issue/KT-68828) Wasm test failure. expect-actual. private constructor in expect - [`KT-68453`](https://youtrack.jetbrains.com/issue/KT-68453) K/Wasm: "Supported JS engine not detected" in Web Worker - [`KT-64565`](https://youtrack.jetbrains.com/issue/KT-64565) Kotlin/wasm removeEventListener function did not remove the event listener - [`KT-65322`](https://youtrack.jetbrains.com/issue/KT-65322) \[Wasm] Clean-up bootstrap code - [`KT-66099`](https://youtrack.jetbrains.com/issue/KT-66099) Wasm: local.get of type f64 has to be in the same reference type hierarchy as (ref 686) @&#8203;+237036 - [`KT-63230`](https://youtrack.jetbrains.com/issue/KT-63230) \[WASM] `println(null)` prints 'ul' ##### Compiler ##### New Features - [`KT-58310`](https://youtrack.jetbrains.com/issue/KT-58310) Consider non-functional type constraints for type variable which is an expected type for lambda argument - [`KT-68969`](https://youtrack.jetbrains.com/issue/KT-68969) Consider implementing general "redundant interpolation prefix" warning - [`KT-57872`](https://youtrack.jetbrains.com/issue/KT-57872) Improve "Public-API inline function cannot access non-public-API" check - [`KT-68165`](https://youtrack.jetbrains.com/issue/KT-68165) Native: type checks on generic types boundary - [`KT-67611`](https://youtrack.jetbrains.com/issue/KT-67611) Implement improved handling of $ in literals - [`KT-67787`](https://youtrack.jetbrains.com/issue/KT-67787) Implement guard conditions for when-with-subject - [`KT-39868`](https://youtrack.jetbrains.com/issue/KT-39868) Allow access to protected consts and fields from a super companion object - [`KT-66169`](https://youtrack.jetbrains.com/issue/KT-66169) `useContents` lacks a `contract` - [`KT-67767`](https://youtrack.jetbrains.com/issue/KT-67767) Introduce an ability to enforce explicit return types for public declarations without enabling Explicit API mode - [`KT-65841`](https://youtrack.jetbrains.com/issue/KT-65841) Allow to actualize expect types in kotlin stdlib to builtins in JVM - [`KT-53834`](https://youtrack.jetbrains.com/issue/KT-53834) Support for JSpecify `@NullUnmarked` ##### Performance Improvements - [`KT-69995`](https://youtrack.jetbrains.com/issue/KT-69995) K2: Slow compilation when star projecting mutually recursive bounds from java - [`KT-69723`](https://youtrack.jetbrains.com/issue/KT-69723) K2: code analysis taking too long - [`KT-69898`](https://youtrack.jetbrains.com/issue/KT-69898) K2: Performance degradation in fir2ir caused by changes around intersection types - [`KT-68034`](https://youtrack.jetbrains.com/issue/KT-68034) Devirtualization analysis fails to devirtualize string.get ##### Fixes - [`KT-67102`](https://youtrack.jetbrains.com/issue/KT-67102) IR Evaluator: NoSuchFieldException when accessing a private delegated property - [`KT-35305`](https://youtrack.jetbrains.com/issue/KT-35305) "Overload resolution ambiguity" on function for unsigned types (UByte, UShort, UInt, ULong) - [`KT-69211`](https://youtrack.jetbrains.com/issue/KT-69211) K2: java.lang.IllegalArgumentException: Failed requirement - [`KT-68874`](https://youtrack.jetbrains.com/issue/KT-68874) Types with different captured types as type arguments are rendered incorrectly - [`KT-66086`](https://youtrack.jetbrains.com/issue/KT-66086) K/N: Unchecked illegal cast is not thrown - [`KT-70186`](https://youtrack.jetbrains.com/issue/KT-70186) Kotlin 2.0.20-Beta2: Unexpected number of type arguments: 0 - [`KT-68889`](https://youtrack.jetbrains.com/issue/KT-68889) K2: type variable should not be fixed - [`KT-69835`](https://youtrack.jetbrains.com/issue/KT-69835) K2 / Native: kotlin.native.binary.gc=cms throws library cached but its dependency isn't error - [`KT-70417`](https://youtrack.jetbrains.com/issue/KT-70417) DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE leads to NPE in BE - [`KT-69964`](https://youtrack.jetbrains.com/issue/KT-69964) K2: Returning from an in-place lambda doesn't compile - [`KT-69773`](https://youtrack.jetbrains.com/issue/KT-69773) K2: "Overload resolution ambiguity between candidate" with arrays - [`KT-60261`](https://youtrack.jetbrains.com/issue/KT-60261) K2: No origin is set for composite assignment operators - [`KT-15388`](https://youtrack.jetbrains.com/issue/KT-15388) Forbid delegated property to have external getter/setter - [`KT-70238`](https://youtrack.jetbrains.com/issue/KT-70238) K2: false negative VOLATILE_ON_VALUE for constructor properties - [`KT-68669`](https://youtrack.jetbrains.com/issue/KT-68669) K2: Generate inherited delegated members after actualization - [`KT-63828`](https://youtrack.jetbrains.com/issue/KT-63828) K2: Missing `signature` metadata for accessors of properties inherited from delegate - [`KT-63871`](https://youtrack.jetbrains.com/issue/KT-63871) K2: different value of ` isNotDefault ` flag for property inherited from delegate - [`KT-67119`](https://youtrack.jetbrains.com/issue/KT-67119) Migration warning from context receivers to context parameters - [`KT-68997`](https://youtrack.jetbrains.com/issue/KT-68997) K2: "No accessor found" for an inline value class when query the value of a delegated class by reflection - [`KT-64106`](https://youtrack.jetbrains.com/issue/KT-64106) Native: the compiler allows using `-opt` and `-g` at the same time - [`KT-69766`](https://youtrack.jetbrains.com/issue/KT-69766) K2: False negative: Internal setter of generic class is accessible from another module - [`KT-68364`](https://youtrack.jetbrains.com/issue/KT-68364) JVM: ISE "Bad exception handler end" on a non-local break/continue inside try with finally - [`KT-69494`](https://youtrack.jetbrains.com/issue/KT-69494) StackOverflowError in CfgTraverserKt.getPreviousCfgNodes - [`KT-56880`](https://youtrack.jetbrains.com/issue/KT-56880) K2. Conflicting overloads for main() isn't shown when language version is set to 2.0 - [`KT-69282`](https://youtrack.jetbrains.com/issue/KT-69282) K2: equality of unsigned types with nullability works incorrectly - [`KT-68492`](https://youtrack.jetbrains.com/issue/KT-68492) JVM IR backend: IDE / Kotlin Debugger: AE “Non-reified type parameter under ::class should be rejected by type checker” on evaluating private generic function - [`KT-70039`](https://youtrack.jetbrains.com/issue/KT-70039) K2: inconsistent stability of vals of captured receivers - [`KT-44139`](https://youtrack.jetbrains.com/issue/KT-44139) Don't report overload resolution ambiguities if arguments contain an error type - [`KT-68996`](https://youtrack.jetbrains.com/issue/KT-68996) K2: "Not enough information to infer type argument" caused by typealias annotation with fixed generic argument - [`KT-55851`](https://youtrack.jetbrains.com/issue/KT-55851) K2: reference to a field from package private class crashes in runtime - [`KT-65038`](https://youtrack.jetbrains.com/issue/KT-65038) K2: Type alias from indirect dependency causes `MISSING_DEPENDENCY_CLASS` error - [`KT-61875`](https://youtrack.jetbrains.com/issue/KT-61875) Native: remove support for bitcode embedding - [`KT-67693`](https://youtrack.jetbrains.com/issue/KT-67693) Implement checkers for K1 compiler which will check the usage of K2 new features and report that they are not supported in K1 compiler - [`KT-68556`](https://youtrack.jetbrains.com/issue/KT-68556) K2: false negative PROPERTY_WITH_NO_TYPE_NO_INITIALIZER on uninitialized property without type - [`KT-60445`](https://youtrack.jetbrains.com/issue/KT-60445) K2/Java: investigate possible symbol clash while enhancing Java class type parameter bounds - [`KT-64193`](https://youtrack.jetbrains.com/issue/KT-64193) K2: No smartcast with two boolean expressions in a row - [`KT-65546`](https://youtrack.jetbrains.com/issue/KT-65546) K2. implement extended checker for unused anonymous parameter in lambda - [`KT-68358`](https://youtrack.jetbrains.com/issue/KT-68358) `@EnhancedNullability` is missing on value parameter type after inheritance by delegation with strict JSpecify enabled - [`KT-67791`](https://youtrack.jetbrains.com/issue/KT-67791) False negative "Synchronizing by Meters is forbidden" with inline value classes - [`KT-69495`](https://youtrack.jetbrains.com/issue/KT-69495) k2: inconsistent output of unsigned number in string templates - [`KT-69619`](https://youtrack.jetbrains.com/issue/KT-69619) K2. JAVA_TYPE_MISMATCH when Kotlin out generic type used in Java - [`KT-69563`](https://youtrack.jetbrains.com/issue/KT-69563) trying to call `.source` on `FirPackageFragmentDescriptor` results in exception - [`KT-69611`](https://youtrack.jetbrains.com/issue/KT-69611) Internal annotation FlexibleArrayElementVariance is written to output jar - [`KT-69463`](https://youtrack.jetbrains.com/issue/KT-69463) K2: false negative SUPER_CALL_WITH_DEFAULT_PARAMETERS with expect/actual declarations - [`KT-68724`](https://youtrack.jetbrains.com/issue/KT-68724) K2: "ABSTRACT_MEMBER_NOT_IMPLEMENTED" caused by open modifier on interface - [`KT-69182`](https://youtrack.jetbrains.com/issue/KT-69182) K2: OptIn on enum companion blocks enum constants - [`KT-69191`](https://youtrack.jetbrains.com/issue/KT-69191) K2: "Unresolved reference" caused by nested data objects - [`KT-69569`](https://youtrack.jetbrains.com/issue/KT-69569) Wrong paths when one type has multiple annotated arguments - [`KT-55128`](https://youtrack.jetbrains.com/issue/KT-55128) Wrong type path in type annotations when type arguments are compiled to wildcards - [`KT-67692`](https://youtrack.jetbrains.com/issue/KT-67692) Native: support LLVM opaque pointers in the compiler - [`KT-69402`](https://youtrack.jetbrains.com/issue/KT-69402) FirSupertypeResolverVisitor: ConcurrentModificationException - [`KT-69062`](https://youtrack.jetbrains.com/issue/KT-69062) K1: false-negative "unsupported feature" error on multi-dollar interpolation - [`KT-68967`](https://youtrack.jetbrains.com/issue/KT-68967) Consider demoting warnings about multi-dollar interpolation to IJ inspections - [`KT-68957`](https://youtrack.jetbrains.com/issue/KT-68957) False-negative diagnostics about multi-dollar interpolation on string literals without interpolation - [`KT-69476`](https://youtrack.jetbrains.com/issue/KT-69476) False negative NO_ELSE_IN_WHEN on when over intersection type with expect enum/sealed class - [`KT-67069`](https://youtrack.jetbrains.com/issue/KT-67069) K2: Delegated member calls interface method instead of fake override - [`KT-63864`](https://youtrack.jetbrains.com/issue/KT-63864) K2: Missing abbreviated type in metadata - [`KT-59833`](https://youtrack.jetbrains.com/issue/KT-59833) K2: Stop modifying values of enum entries - [`KT-69421`](https://youtrack.jetbrains.com/issue/KT-69421) K2: Resolve changed from delegated function to java default function - [`KT-69392`](https://youtrack.jetbrains.com/issue/KT-69392) K2: "UNSAFE_CALL": when with some variable subjects does not smartcast the variable - [`KT-69053`](https://youtrack.jetbrains.com/issue/KT-69053) K2: Unsupported intersection overrides for fields - [`KT-69227`](https://youtrack.jetbrains.com/issue/KT-69227) K2: "Argument type mismatch" caused by generic typealias and upper bound - [`KT-31371`](https://youtrack.jetbrains.com/issue/KT-31371) NOT_YET_SUPPORTED_IN_INLINE: incorrect error message for local inline function - [`KT-49473`](https://youtrack.jetbrains.com/issue/KT-49473) PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR: specialize error message for 'inline' property - [`KT-49474`](https://youtrack.jetbrains.com/issue/KT-49474) NON_PUBLIC_CALL_FROM_PUBLIC_INLINE: specialize error message for 'inline' property - [`KT-49503`](https://youtrack.jetbrains.com/issue/KT-49503) SUPER_CALL_FROM_PUBLIC_INLINE_ERROR: specialize error message for 'inline' property - [`KT-11302`](https://youtrack.jetbrains.com/issue/KT-11302) On inapplicable '`@JvmStatic`' annotation, highlight only the annotation, not the function signature - [`KT-59510`](https://youtrack.jetbrains.com/issue/KT-59510) K2: do not render annotations in the deprecation diagnostic - [`KT-68532`](https://youtrack.jetbrains.com/issue/KT-68532) "This code uses error suppression for 'INAPPLICABLE_JVM_NAME'. While it might compile and work, the compiler behavior is UNSPECIFIED and WON'T BE PRESERVED" - [`KT-68859`](https://youtrack.jetbrains.com/issue/KT-68859) K2: unable to suppress only "JAVA_MODULE_DOES_NOT_EXPORT_PACKAGE" - [`KT-68469`](https://youtrack.jetbrains.com/issue/KT-68469) \[K2] MISSING_DEPENDENCY_CLASS caused by redundant `@file`:JvmName - [`KT-68999`](https://youtrack.jetbrains.com/issue/KT-68999) K2: Unify the style of FIR generator with IR and SIR tree-generators - [`KT-66061`](https://youtrack.jetbrains.com/issue/KT-66061) Kotlin/Native - building shared module for iOS - Argument list too long - [`KT-49420`](https://youtrack.jetbrains.com/issue/KT-49420) Suspicious behaviour of frontend in case of DefinitelyNotNull type overload - [`KT-59752`](https://youtrack.jetbrains.com/issue/KT-59752) K2: "Conflicting overloads" if function with same signature added to different contexts - [`KT-68618`](https://youtrack.jetbrains.com/issue/KT-68618) K1: Unresolved reference for qualified this in implicit type - [`KT-25341`](https://youtrack.jetbrains.com/issue/KT-25341) NOT_YET_SUPPORTED_IN_INLINE reported over anonymous object border - [`KT-69215`](https://youtrack.jetbrains.com/issue/KT-69215) K2: IllegalArgumentException for delegated function in anonymous object with captured type parameters - [`KT-69044`](https://youtrack.jetbrains.com/issue/KT-69044) Destructuring declaration shouldn't be possible in declaration in when - [`KT-69028`](https://youtrack.jetbrains.com/issue/KT-69028) K2: `FirJvmActualizingBuiltinSymbolProvider` returns `null` on builtins declarations if common source-set is not presented - [`KT-15704`](https://youtrack.jetbrains.com/issue/KT-15704) Rethink usage of term "type annotation" in error messages - [`KT-68970`](https://youtrack.jetbrains.com/issue/KT-68970) K2. Argument type mismatch caused by out projection in inferred type from if - else - [`KT-68800`](https://youtrack.jetbrains.com/issue/KT-68800) K2: Delete `ConeAttributes.plus` method - [`KT-59389`](https://youtrack.jetbrains.com/issue/KT-59389) K2: Missing AMBIGUOUS_LABEL - [`KT-68803`](https://youtrack.jetbrains.com/issue/KT-68803) K2: Smart cast fails with "Unresolved reference" when `@Suppress`("UNCHECKED_CAST") used in statement - [`KT-68968`](https://youtrack.jetbrains.com/issue/KT-68968) K2: Missing ILLEGAL_SUSPEND_FUNCTION_CALL diagnostic in initialization code of a local class inside suspend function - [`KT-68336`](https://youtrack.jetbrains.com/issue/KT-68336) K2 does not seem to pass the right constructor arguments to custom scripts - [`KT-68517`](https://youtrack.jetbrains.com/issue/KT-68517) "IrSimpleFunctionSymbolImpl is unbound" for actual class containing non-actual functions - [`KT-59678`](https://youtrack.jetbrains.com/issue/KT-59678) K2: Investigate `ConeKotlinType.unCapture()` - [`KT-69027`](https://youtrack.jetbrains.com/issue/KT-69027) K2: Initialize `FirStdlibBuiltinSyntheticFunctionInterfaceProvider` in library session - [`KT-62818`](https://youtrack.jetbrains.com/issue/KT-62818) K2: improve VAR_OVERRIDDEN_BY_VAL diagnostic message - [`KT-68214`](https://youtrack.jetbrains.com/issue/KT-68214) Rename TypeApproximatorConfiguration properties for clarity - [`KT-68093`](https://youtrack.jetbrains.com/issue/KT-68093) Implement deprecation of smartcasts on class-delegated properties - [`KT-67270`](https://youtrack.jetbrains.com/issue/KT-67270) Native: report more performance metrics from the compiler - [`KT-68621`](https://youtrack.jetbrains.com/issue/KT-68621) DATA_CLASS_INVISIBLE_COPY_USAGE false negative for inline fun - [`KT-68568`](https://youtrack.jetbrains.com/issue/KT-68568) K2: False-positive ACCIDENTAL_OVERRIDE caused by missing dependency class - [`KT-66723`](https://youtrack.jetbrains.com/issue/KT-66723) K2: NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS for actual typealias that extends to Java class with complicated hierarchy that includes default method - [`KT-69000`](https://youtrack.jetbrains.com/issue/KT-69000) Can't render constructor of intersection type - [`KT-68849`](https://youtrack.jetbrains.com/issue/KT-68849) K2: "ClassCastException: cannot be cast to kotlin.jvm.functions.Function2" caused by passing lambda to SAM constructor results - [`KT-61744`](https://youtrack.jetbrains.com/issue/KT-61744) Native: -Xsave-llvm-ir-after fails to check errors from LLVMPrintModuleToFile - [`KT-67103`](https://youtrack.jetbrains.com/issue/KT-67103) Support AbbreviatedTypeAttribute for aliased types from the source code - [`KT-63921`](https://youtrack.jetbrains.com/issue/KT-63921) K2: different representation of recursive type aliases - [`KT-68679`](https://youtrack.jetbrains.com/issue/KT-68679) K2: "Override has incorrect nullability in its signature compared to the overridden declaration" caused by subclass of Android HashMap - [`KT-64335`](https://youtrack.jetbrains.com/issue/KT-64335) K2: improve rendering of captured types in diagnostic messages - [`KT-68820`](https://youtrack.jetbrains.com/issue/KT-68820) K2: "Unresolved reference" on calling function with "contract" name - [`KT-67933`](https://youtrack.jetbrains.com/issue/KT-67933) K2: no conversion between fun interfaces if target has `suspend` - [`KT-68230`](https://youtrack.jetbrains.com/issue/KT-68230) K2: FirMissingDependencyClassChecker: Not supported: ConeFlexibleType - [`KT-68531`](https://youtrack.jetbrains.com/issue/KT-68531) K2: False-negative error on assignment to enum entry - [`KT-68446`](https://youtrack.jetbrains.com/issue/KT-68446) K2: compile-time failure on smart-casted generic value used as a when-subject in a contains-check with range - [`KT-68678`](https://youtrack.jetbrains.com/issue/KT-68678) K2: Drop using `FirBuiltinSymbolProvider` while compiling JVM stdlib - [`KT-68382`](https://youtrack.jetbrains.com/issue/KT-68382) Get rid of context receivers in FirScript implementation - [`KT-68585`](https://youtrack.jetbrains.com/issue/KT-68585) Implement new rules for CFA about enum entries - [`KT-68110`](https://youtrack.jetbrains.com/issue/KT-68110) K2: "Java type mismatch" caused by spring.Nullable - [`KT-68613`](https://youtrack.jetbrains.com/issue/KT-68613) K2: False positive `CONFLICTING_PROJECTION` after fixing KT-67764 - [`KT-67764`](https://youtrack.jetbrains.com/issue/KT-67764) K2: False negative: Projection problem is not reported in `is` expression - [`KT-67887`](https://youtrack.jetbrains.com/issue/KT-67887) Expection on assigning to private field of value type - [`KT-67801`](https://youtrack.jetbrains.com/issue/KT-67801) NSME on evaluating private member function with value class parameter - [`KT-67800`](https://youtrack.jetbrains.com/issue/KT-67800) NSME on evaluating private top-level function with value class parameter - [`KT-68542`](https://youtrack.jetbrains.com/issue/KT-68542) K2: Fix referecing to `@ExtensionFunctionType` if it's declared in source - [`KT-68188`](https://youtrack.jetbrains.com/issue/KT-68188) K2: Properly support FunctionN creation for stdlib compilation - [`KT-67946`](https://youtrack.jetbrains.com/issue/KT-67946) K2: Crash on red code: `Instead use FirErrorTypeRef for ERROR CLASS: Cannot infer argument for type parameter T` - [`KT-68526`](https://youtrack.jetbrains.com/issue/KT-68526) K2: false-negative inconsistent data class copy visibility warning on call to generic data class copy function - [`KT-68528`](https://youtrack.jetbrains.com/issue/KT-68528) K2: false-positive inconsistent data class copy visibility warning on call to function from another module with identical value parameter types and return type - [`KT-68525`](https://youtrack.jetbrains.com/issue/KT-68525) K2: false-negative inconsistent data class copy visibility warning on callable reference to data class copy function - [`KT-68617`](https://youtrack.jetbrains.com/issue/KT-68617) K2: Secondary constructors in a sealed class have private visibility instead of protected in the generated IR - [`KT-63920`](https://youtrack.jetbrains.com/issue/KT-63920) K2: Private secondary sealed class constructor is private in metadata, but protected in K1 - [`KT-57996`](https://youtrack.jetbrains.com/issue/KT-57996) Usages of `Foo` `@Nullable` \[]`produce only warnings even with`-Xtype-enhancement-improvements-strict-mode -Xjspecify-annotations=strict\` - [`KT-68207`](https://youtrack.jetbrains.com/issue/KT-68207) K2: Investigate if losing ConeIntersectionType.upperBoundForApproximation during approximation leads to any issues - [`KT-64990`](https://youtrack.jetbrains.com/issue/KT-64990) K2: Remove usages of SymbolTable from FIR2IR - [`KT-67798`](https://youtrack.jetbrains.com/issue/KT-67798) NSME on assigning to private delegated property of value class - [`KT-68264`](https://youtrack.jetbrains.com/issue/KT-68264) K2: confusing INVISIBLE_\* error when typealias is involved - [`KT-68529`](https://youtrack.jetbrains.com/issue/KT-68529) K2: false-negative redundant annotation warning on `@ExposedCopyVisibility` on data class with public constructor - [`KT-67943`](https://youtrack.jetbrains.com/issue/KT-67943) Approximation should not generate types with UPPER_BOUND_VIOLATION errors - [`KT-67503`](https://youtrack.jetbrains.com/issue/KT-67503) K2: False negative "Type Expected" when attempting to annotate a wildcard type argument - [`KT-68187`](https://youtrack.jetbrains.com/issue/KT-68187) K2: Create IrBuiltins in fir2ir only after IR actualization - [`KT-66443`](https://youtrack.jetbrains.com/issue/KT-66443) K2: ArrayIterationHandler doesn't work if UIntArray declared in sources - [`KT-68291`](https://youtrack.jetbrains.com/issue/KT-68291) K2 / Contracts: Non-existent invocation kind is suggested as a fix - [`KT-68209`](https://youtrack.jetbrains.com/issue/KT-68209) K2: Strange import suggestion when lambda body contains invalid code - [`KT-67368`](https://youtrack.jetbrains.com/issue/KT-67368) "NullPointerException: Parameter specified as non-null is null" local lambda creates new not-null checks with 2.0.0-Beta5 - [`KT-51433`](https://youtrack.jetbrains.com/issue/KT-51433) FE 1.0: implement warnings about label resolve changes - [`KT-66554`](https://youtrack.jetbrains.com/issue/KT-66554) K2. Drop FIR based fake-override generator from fir2ir - [`KT-64202`](https://youtrack.jetbrains.com/issue/KT-64202) K2: Drop old methods for calculation of overridden symbols for lazy declarations - [`KT-67895`](https://youtrack.jetbrains.com/issue/KT-67895) K2: Properly implement generation of fake-overrides for fields - [`KT-54496`](https://youtrack.jetbrains.com/issue/KT-54496) K2: `REDUNDANT_MODALITY_MODIFIER` diagnostic disregards compiler plugins - [`KT-63745`](https://youtrack.jetbrains.com/issue/KT-63745) K2: Approximation of DNN with nullability warning attribute leads to attribute incorrectly becoming not-null - [`KT-63362`](https://youtrack.jetbrains.com/issue/KT-63362) AbstractTypeApproximator fixes only first local type in hierarchy - [`KT-67769`](https://youtrack.jetbrains.com/issue/KT-67769) K2: "variable must be initialized" on unreachable access in constructor - [`KT-51195`](https://youtrack.jetbrains.com/issue/KT-51195) FIR IC: Incremental compilation fails with `@PublishedApi` property - [`KT-67966`](https://youtrack.jetbrains.com/issue/KT-67966) No JVM type annotation is generated on a class supertype - [`KT-46640`](https://youtrack.jetbrains.com/issue/KT-46640) Generate JVM type annotations on wildcard bounds - [`KT-67952`](https://youtrack.jetbrains.com/issue/KT-67952) Annotations on type parameters are not generated for parameters other than the first - [`KT-68012`](https://youtrack.jetbrains.com/issue/KT-68012) K2. No `'operator' modifier is required on 'component'` error in K2 - [`KT-61835`](https://youtrack.jetbrains.com/issue/KT-61835) K2: FirStubTypeTransformer receives unresolved expressions in builder inference session - [`KT-63596`](https://youtrack.jetbrains.com/issue/KT-63596) K1/K2: Different behavior for lambda with different return type - [`KT-67688`](https://youtrack.jetbrains.com/issue/KT-67688) K2: False positive CANNOT_INFER_PARAMETER_TYPE for Unit constraint type variable - [`KT-62080`](https://youtrack.jetbrains.com/issue/KT-62080) False positive UNUSED_VARIABLE for variable that is used in lambda and in further code with several conditions - [`KT-60726`](https://youtrack.jetbrains.com/issue/KT-60726) K2: Missed TYPE_MISMATCH error: inferred type non-suspend function but suspend function was expected - [`KT-41835`](https://youtrack.jetbrains.com/issue/KT-41835) \[FIR] Green code turns to red in presence of smartcasts and redundant type arguments - [`KT-67579`](https://youtrack.jetbrains.com/issue/KT-67579) K1/JVM: false-negative annotation-based diagnostics on usages of ABI compiled with non-trivially configured generation of default methods - [`KT-67493`](https://youtrack.jetbrains.com/issue/KT-67493) K2: argument type mismatch: actual type is 'T', but 'T' was expected - [`KT-64900`](https://youtrack.jetbrains.com/issue/KT-64900) K2: `getConstructorKeyword` call in `PsiRawFirBuilder.toFirConstructor` forces AST load - [`KT-67648`](https://youtrack.jetbrains.com/issue/KT-67648) K2: wrong exposed visibility errors with WRONG_MODIFIER_CONTAINING_DECLARATION on top-level enum class - [`KT-58686`](https://youtrack.jetbrains.com/issue/KT-58686) FIR2IR: Don't use global counters - [`KT-67592`](https://youtrack.jetbrains.com/issue/KT-67592) K2: Success execution of `:kotlin-stdlib:compileKotlinMetadata` - [`KT-60398`](https://youtrack.jetbrains.com/issue/KT-60398) K2: consider forbidding FirBasedSymbol rebind - [`KT-54918`](https://youtrack.jetbrains.com/issue/KT-54918) Refactor transformAnonymousFunctionWithExpectedType - [`KT-63360`](https://youtrack.jetbrains.com/issue/KT-63360) K2: Malformed type mismatch error with functional type - [`KT-67266`](https://youtrack.jetbrains.com/issue/KT-67266) K2: disappeared INLINE_CLASS_DEPRECATED - [`KT-67569`](https://youtrack.jetbrains.com/issue/KT-67569) K2: Fix default value parameters of Enum's constructor if it's declared in source code - [`KT-67378`](https://youtrack.jetbrains.com/issue/KT-67378) K2: Don't use `wrapScopeWithJvmMapped` for common source sets - [`KT-67738`](https://youtrack.jetbrains.com/issue/KT-67738) K2: Introduce `kotlin.internal.ActualizeByJvmBuiltinProvider` annotation - [`KT-64456`](https://youtrack.jetbrains.com/issue/KT-64456) K2: Port \*VersionRequirementTest to K2 - [`KT-67136`](https://youtrack.jetbrains.com/issue/KT-67136) Put $this parameter to LVT for suspend lambdas - [`KT-62538`](https://youtrack.jetbrains.com/issue/KT-62538) K2: Declarations inside external classes should be implicitly external - [`KT-67627`](https://youtrack.jetbrains.com/issue/KT-67627) K2: External interface companion isn't external in IR - [`KT-60290`](https://youtrack.jetbrains.com/issue/KT-60290) K2: origin is not set for !in operator - [`KT-67512`](https://youtrack.jetbrains.com/issue/KT-67512) K2: false positive WRONG_GETTER_RETURN_TYPE when getter return type is annotated - [`KT-67635`](https://youtrack.jetbrains.com/issue/KT-67635) K2: No warning TYPE_MISMATCH_WHEN_FLEXIBILITY_CHANGES for SAM constructor with inferred type - [`KT-60501`](https://youtrack.jetbrains.com/issue/KT-60501) K2 Scripting: investigate metadata difference between K1 and K2 - [`KT-67598`](https://youtrack.jetbrains.com/issue/KT-67598) K2: Fix incorrect casting `UByte` to `Number` in `FirToConstantValueTransformer` - [`KT-56564`](https://youtrack.jetbrains.com/issue/KT-56564) False positive "non-exhaustive when" in case of intersection type - [`KT-63969`](https://youtrack.jetbrains.com/issue/KT-63969) K2: extra property in metadata - [`KT-63968`](https://youtrack.jetbrains.com/issue/KT-63968) K2: extra property in metadata for anonymous variable in script - [`KT-67547`](https://youtrack.jetbrains.com/issue/KT-67547) K/N can't build caches, fails with "clang++: error=2, No such file or directory" - [`KT-67469`](https://youtrack.jetbrains.com/issue/KT-67469) K2: Failing module in FP-intellij - [`KT-64033`](https://youtrack.jetbrains.com/issue/KT-64033) K2: Investigate ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound - [`KT-64457`](https://youtrack.jetbrains.com/issue/KT-64457) K2: Fix DecompiledKnmStubConsistencyK2TestGenerated - [`KT-66377`](https://youtrack.jetbrains.com/issue/KT-66377) IR Evaluator: "no container found for type parameter" when evaluating nested generics - [`KT-66378`](https://youtrack.jetbrains.com/issue/KT-66378) IR Evaluator: Symbol is unbound - [`KT-64506`](https://youtrack.jetbrains.com/issue/KT-64506) IDE, IR Evaluator: NPE in ReflectiveAccessLowering.fieldLocationAndReceiver when evaluating private static properties - [`KT-67380`](https://youtrack.jetbrains.com/issue/KT-67380) K2: Don't check for `equals` overriding for class `Any` - [`KT-67038`](https://youtrack.jetbrains.com/issue/KT-67038) K2: Missing type of FirLiteralExpression causes an exception for property initializer type resolution - [`KT-59813`](https://youtrack.jetbrains.com/issue/KT-59813) K2: Fix the TODO about `firEffect.source` in `FirReturnsImpliesAnalyzer` - [`KT-59834`](https://youtrack.jetbrains.com/issue/KT-59834) K2: Fix the TODO about `merge(other)` in `UnusedChecker` - [`KT-59188`](https://youtrack.jetbrains.com/issue/KT-59188) K2: Change positioning strategy for `WRONG_NUMBER_OF_TYPE_ARGUMENTS` error - [`KT-59108`](https://youtrack.jetbrains.com/issue/KT-59108) K2. SMARTCAST_IMPOSSIBLE instead of UNSAFE_IMPLICIT_INVOKE_CALL - [`KT-65503`](https://youtrack.jetbrains.com/issue/KT-65503) The inline processor cannot handle objects inside the lambda correctly when calling an inline function from another module - [`KT-30696`](https://youtrack.jetbrains.com/issue/KT-30696) NoSuchMethodError if nested anonymous objects are used with propagation reified type parameter - [`KT-58966`](https://youtrack.jetbrains.com/issue/KT-58966) Incorrect type inference for parameters with omitted type of anonymous function that is being analyzed as value of function type with receiver - [`KT-67458`](https://youtrack.jetbrains.com/issue/KT-67458) Use `@PhaseDescription` for JVM backend lowering phases - [`KT-65647`](https://youtrack.jetbrains.com/issue/KT-65647) K2 ignores diagnostics on sourceless `FirTypeRef`s - [`KT-64489`](https://youtrack.jetbrains.com/issue/KT-64489) K2: Rename FirAugmentedArraySet - [`KT-67394`](https://youtrack.jetbrains.com/issue/KT-67394) FIR: Make FIR repr of For from PSI and LightTree the same - [`KT-66724`](https://youtrack.jetbrains.com/issue/KT-66724) K2 IDE. False positive errors because of wrong type inference in complex case of delegated property and type arguments - [`KT-40248`](https://youtrack.jetbrains.com/issue/KT-40248) Confusing error message NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY - [`KT-66947`](https://youtrack.jetbrains.com/issue/KT-66947) K2: false-positive JSpecify nullability enhancement warning on Java wildcard type argument with same base type but different nullabilities as upper and lower bounds - [`KT-66974`](https://youtrack.jetbrains.com/issue/KT-66974) K2: false-negative JSpecify nullability enhancement warning on nullable projection of Java wildcard type argument with non-null bounds in out-position - [`KT-66946`](https://youtrack.jetbrains.com/issue/KT-66946) K2: false-negative JSpecify nullability enhancement warning on Java wildcard type argument with nullable upper bound in out-position - [`KT-66442`](https://youtrack.jetbrains.com/issue/KT-66442) K2: No visibility error on importing private aliases - [`KT-66598`](https://youtrack.jetbrains.com/issue/KT-66598) K2: Allow comparisons, `is`-checks and casts between Kotlin and platform types - [`KT-55966`](https://youtrack.jetbrains.com/issue/KT-55966) K2: Not enough information to infer type variable K if smartcast is used - [`KT-64894`](https://youtrack.jetbrains.com/issue/KT-64894) OPT_IN_ARGUMENT_IS_NOT_MARKER diagnostic message is unclear - [`KT-67019`](https://youtrack.jetbrains.com/issue/KT-67019) K2: IR has incorrect EQ origins for some inplace updating operators - [`KT-59810`](https://youtrack.jetbrains.com/issue/KT-59810) K2: Support other ConstraintPosition-s - [`KT-55383`](https://youtrack.jetbrains.com/issue/KT-55383) K1/K2: isClassTypeConstructor behaves differently for stub types - [`KT-60089`](https://youtrack.jetbrains.com/issue/KT-60089) K2: Introduced ERROR_IN_CONTRACT_DESCRIPTION - [`KT-60382`](https://youtrack.jetbrains.com/issue/KT-60382) K2: Refactor ExpectActualCollector - [`KT-62929`](https://youtrack.jetbrains.com/issue/KT-62929) K2: investigate if guessArrayTypeIfNeeded is necessary in annotation loader - [`KT-65642`](https://youtrack.jetbrains.com/issue/KT-65642) K2: IR: Array access desugaring doesn't have origins - [`KT-24807`](https://youtrack.jetbrains.com/issue/KT-24807) No smartcast to Boolean in subject of when-expression when subject type is non-nullable - [`KT-66057`](https://youtrack.jetbrains.com/issue/KT-66057) K2: incorrect supertype leads to class declaration being highlighted red - [`KT-63958`](https://youtrack.jetbrains.com/issue/KT-63958) K2: drop support of UseBuilderInferenceOnlyIfNeeded=false - [`KT-63959`](https://youtrack.jetbrains.com/issue/KT-63959) K2: treat stub types as non-nullable for isReceiverNullable check - [`KT-65100`](https://youtrack.jetbrains.com/issue/KT-65100) IrFakeOverrideBuilder: support custom 'remove(Int)' handling logic in MutableCollection subclasses ##### Compose compiler ##### New features - [`cdfe659`](https://github.com/JetBrains/kotlin/commit/cdfe65911490eef21892098494986af1af14fa64) Changed how compiler features being rolled out are enabled and disabled in compiler plugin CLI. Features, such as strong skipping and non-skipping group optimizations are now enabled through the "featureFlag" option instead of their own option. - [`192e556`](https://github.com/JetBrains/kotlin/commit/192e5565f484b399b33ed9e959793922f0aeb3d0) Strong skipping is now enabled by default - [`842a9e8`](https://github.com/JetBrains/kotlin/commit/842a9e87e3c1e1d219313caedcc9e9fae895e53f) Add support for default parameters in abstract and open `@Composable` functions [`b/165812010`](https://issuetracker.google.com/issues/165812010) ##### Fixes - [`e207b05`](https://github.com/JetBrains/kotlin/commit/e207b05f1fcbba38b71030be0fc30b378e9b5308) Fixes group generation for if statements when nonSkippingGroupOptimization is enabled [`b/346821372`](https://issuetracker.google.com/issues/346821372) - [`f64fc3a`](https://github.com/JetBrains/kotlin/commit/f64fc3ae5f9be6f2a066b3b9350f830bdd4e854c) Fixes `endToMarker` generation in early return from inline lambdas that caused start/end imbalance [`b/346808602`](https://issuetracker.google.com/issues/346808602) - [`d6ac8a5`](https://github.com/JetBrains/kotlin/commit/d6ac8a50a4eb4ce1c6464cb5103d2d9b04f67019) Stop memoizing lambdas with captured property delegates [`b/342557697`](https://issuetracker.google.com/issues/342557697) - [`f38d5a3`](https://github.com/JetBrains/kotlin/commit/f38d5a3c047edb3b38eb0eaebcdcedc2aa1c04d8) Stop capturing parameter meta across crossinline boundary [`b/343801379`](https://issuetracker.google.com/issues/343801379) - [`770fe8d`](https://github.com/JetBrains/kotlin/commit/770fe8dda6a8a801b47cb84f5026f93555c4b452) Propagate annotations from inferred function types when serializing [`b/345261077`](https://issuetracker.google.com/issues/345261077) - [`3c67cda`](https://github.com/JetBrains/kotlin/commit/3c67cda09099f9acdd10b944183a75958e023141) Fix memoization of captureless lambdas when K2 compiler is used [`b/340582180`](https://issuetracker.google.com/issues/340582180) - [`3281e53`](https://github.com/JetBrains/kotlin/commit/3281e53a1bb15af932157d42178184aed55e6d71) Allow memoizing lambdas in composable inline functions [`b/340606661`](https://issuetracker.google.com/issues/340606661) - [`b/351858979`](https://issuetracker.google.com/issues/351858979) Fix stability inferencing of interfaces on incremental compilation - [`b/346821372`](https://issuetracker.google.com/issues/346821372) \[Compose] Fix code generation for group optimization - [`b/357878245`](https://issuetracker.google.com/issues/357878245) Disallow open `@Composable` functions with default params to fix binary compatibility issues. ##### IR. Actualizer - [`KT-68830`](https://youtrack.jetbrains.com/issue/KT-68830) Compiler crash on missing actual class - [`KT-69024`](https://youtrack.jetbrains.com/issue/KT-69024) K2: Children of expect annotation with `@OptionalExpectation` should be actualized - [`KT-68742`](https://youtrack.jetbrains.com/issue/KT-68742) Allow expect protected to Java protected actualization - [`KT-66436`](https://youtrack.jetbrains.com/issue/KT-66436) K2. Actualizing modCount property with a field in AbstractMutableList - [`KT-68741`](https://youtrack.jetbrains.com/issue/KT-68741) Support actualization of AbstractMutableList.modCount - [`KT-68801`](https://youtrack.jetbrains.com/issue/KT-68801) Crash on access of fake override of function actualized by fake override - [`KT-66307`](https://youtrack.jetbrains.com/issue/KT-66307) K2: property fake override isn't generated for protected field ##### IR. Inlining - [`KT-67208`](https://youtrack.jetbrains.com/issue/KT-67208) KJS: put ReplaceSuspendIntrinsicLowering after IR inliner - [`KT-68100`](https://youtrack.jetbrains.com/issue/KT-68100) Run IR validation in the beginning and the end of the common prefix - [`KT-69171`](https://youtrack.jetbrains.com/issue/KT-69171) Introduce a temporary `-X` CLI parameter that enables double-inlining - [`KT-69006`](https://youtrack.jetbrains.com/issue/KT-69006) Enable IR visibility checks after IR inlining - [`KT-69183`](https://youtrack.jetbrains.com/issue/KT-69183) IR inlining: properly handle defaults that depends on previous value parameters - [`KT-67660`](https://youtrack.jetbrains.com/issue/KT-67660) Suspicious package part FQN calculation in InventNamesForLocalClasses - [`KT-68558`](https://youtrack.jetbrains.com/issue/KT-68558) Move `InlineCallableReferenceToLambdaPhase` into `ir.inline` module - [`KT-56466`](https://youtrack.jetbrains.com/issue/KT-56466) Support non-local break/continue in IR inliner - [`KT-64958`](https://youtrack.jetbrains.com/issue/KT-64958) KJS: Put as many as possible lowerings after the inliner - [`KT-67297`](https://youtrack.jetbrains.com/issue/KT-67297) Implement IR deserializer with unbound symbols ##### IR. Interpreter - [`KT-66938`](https://youtrack.jetbrains.com/issue/KT-66938) Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression: CALL 'public final fun less (arg0: kotlin.Int, arg1: kotlin.Int): kotlin.Boolean declared in kotlin.internal.ir' ##### IR. Tree ##### Performance Improvements - [`KT-67695`](https://youtrack.jetbrains.com/issue/KT-67695) ForLoopsLowering fails to handle a loop over an imprecise typed iterable ##### Fixes - [`KT-68784`](https://youtrack.jetbrains.com/issue/KT-68784) Support validating visibility of referenced declarations in IrValidator - [`KT-68174`](https://youtrack.jetbrains.com/issue/KT-68174) Delete the IrMessageLogger interface - [`KT-67082`](https://youtrack.jetbrains.com/issue/KT-67082) Introduce attributes on IrElement - [`KT-68716`](https://youtrack.jetbrains.com/issue/KT-68716) `DeepCopyIrTreeWithSymbols.visitConst` should remap const type - [`KT-67650`](https://youtrack.jetbrains.com/issue/KT-67650) Add default implementations to methods for non-leaf IrSymbol subclasses from SymbolRemapper - [`KT-67649`](https://youtrack.jetbrains.com/issue/KT-67649) Autogenerate IrSymbol interface hierarchy - [`KT-44721`](https://youtrack.jetbrains.com/issue/KT-44721) IR: merge IrPrivateSymbolBase and IrPublicSymbolBase hierarchies - [`KT-67580`](https://youtrack.jetbrains.com/issue/KT-67580) Autogenerate SymbolRemapper - [`KT-67457`](https://youtrack.jetbrains.com/issue/KT-67457) Introduce a way to simplify IR lowering phase creation - [`KT-67060`](https://youtrack.jetbrains.com/issue/KT-67060) NoSuchMethodError for org.jetbrains.kotlin.ir.expressions.impl.IrCompositeImpl in the Flysto ##### JavaScript ##### New Features - [`KT-69133`](https://youtrack.jetbrains.com/issue/KT-69133) Kotlin/JS: Add support for collection instantiation in JavaScript - [`KT-18891`](https://youtrack.jetbrains.com/issue/KT-18891) JS: provide a way to declare static members (JsStatic?) ##### Fixes - [`KT-68943`](https://youtrack.jetbrains.com/issue/KT-68943) `@JsPlainObject` breaks when interface has type parameters - [`KT-70592`](https://youtrack.jetbrains.com/issue/KT-70592) "Error: HttpClientCall expected" on HTTP request when targeting es2015 with KTOR - [`KT-67273`](https://youtrack.jetbrains.com/issue/KT-67273) Creating Kotlin Collections from JS collections - [`KT-65018`](https://youtrack.jetbrains.com/issue/KT-65018) JS: Deprecate error tolerance - [`KT-67355`](https://youtrack.jetbrains.com/issue/KT-67355) KJS / ES6: 'super' in lambda with enabled `-Xir-generate-inline-anonymous-functions` leads to JS errors - [`KT-69353`](https://youtrack.jetbrains.com/issue/KT-69353) KJS / d.ts: Kotlin does not export base collection classes along with their mutable collection counterparts - [`KT-66898`](https://youtrack.jetbrains.com/issue/KT-66898) KJS: Reserved keywords not escaped when `-Xir-generate-inline-anonymous-functions` is enabled - [`KT-69710`](https://youtrack.jetbrains.com/issue/KT-69710) JS IR generates bad code for inner param default referring to outer members - [`KT-68632`](https://youtrack.jetbrains.com/issue/KT-68632) K2: allow JS_NAME_CLASH suppression - [`KT-69400`](https://youtrack.jetbrains.com/issue/KT-69400) Use correct type for references on local functions when transforming them into lambda - [`KT-68554`](https://youtrack.jetbrains.com/issue/KT-68554) Legalize marker interface as parent for JSO (interface marked with `@JsPlainObject`) - [`KT-68740`](https://youtrack.jetbrains.com/issue/KT-68740) Kotlin/JS 2.0.0 IrLinkageError with dynamic function parameters inside data classes - [`KT-68944`](https://youtrack.jetbrains.com/issue/KT-68944) `@JsPlainObject` require properties, when type - nullable alias - [`KT-68891`](https://youtrack.jetbrains.com/issue/KT-68891) `@JsPlainObject` fails to compile when encountering reserved keywords as interface properties - [`KT-69023`](https://youtrack.jetbrains.com/issue/KT-69023) KJS / IR: `globalThis` is mandatory, breaking older browsers support - [`KT-68641`](https://youtrack.jetbrains.com/issue/KT-68641) KJS: 'export was not found' with per-file mode on case-insensitive filesystem - [`KT-68053`](https://youtrack.jetbrains.com/issue/KT-68053) K2: NON_EXPORTABLE_TYPE on a typealias of primitive type - [`KT-62304`](https://youtrack.jetbrains.com/issue/KT-62304) K/JS: Investigate the compiler assertion crash in JS FIR with backend tests - [`KT-68620`](https://youtrack.jetbrains.com/issue/KT-68620) \[wasm]\[js] Default param in inner class method fails if we are referring generic extension property - [`KT-64801`](https://youtrack.jetbrains.com/issue/KT-64801) K2 + JS and WASM: Inner with default inner doesn't work properly - [`KT-67248`](https://youtrack.jetbrains.com/issue/KT-67248) ModuleDescriptor in JS Linker contains incorrect friend dependecies - [`KT-64424`](https://youtrack.jetbrains.com/issue/KT-64424) K2: Migrate JsProtoComparisonTestGenerated to K2 - [`KT-52602`](https://youtrack.jetbrains.com/issue/KT-52602) Kotlin/JS + IR: incompatible ABI version is not reported when no declarations are actually used by a Gradle compilation - [`KT-66092`](https://youtrack.jetbrains.com/issue/KT-66092) K/JS & Wasm: .isReified for reified upper bound is wrongly false - [`KT-67112`](https://youtrack.jetbrains.com/issue/KT-67112) Unable to apply `@JsStatic` for common sources: \[NO_CONSTRUCTOR] - [`KT-62329`](https://youtrack.jetbrains.com/issue/KT-62329) KJS: "UnsupportedOperationException: Empty collection can't be reduced" caused by external enum with "`@JsExport`" - [`KT-67018`](https://youtrack.jetbrains.com/issue/KT-67018) K/JS: Executable js file for module-kind=umd contains top level this instead of globalThis - [`KT-64776`](https://youtrack.jetbrains.com/issue/KT-64776) Test infra for JS can't process dependency in mpp module - [`KT-65076`](https://youtrack.jetbrains.com/issue/KT-65076) Use the same instance when a fun interface doesn't capture or capture only singletons ##### Klibs - [`KT-66557`](https://youtrack.jetbrains.com/issue/KT-66557) Check, that no bad metadata in klib is produced, when we failed to compute constant value - [`KT-66968`](https://youtrack.jetbrains.com/issue/KT-66968) Provide K/N platforms libs for all available targets - [`KT-66967`](https://youtrack.jetbrains.com/issue/KT-66967) Provide K/N stdlib for all available targets in all distributions - [`KT-66605`](https://youtrack.jetbrains.com/issue/KT-66605) \[KLIB] Excessive creation of `BaseKotlinLibrary` during resolving libs - [`KT-68824`](https://youtrack.jetbrains.com/issue/KT-68824) API 4 ABI: Don't show sealed class constructors - [`KT-68202`](https://youtrack.jetbrains.com/issue/KT-68202) KLIB metadata: nested classes are sometimes inside a different 'knm' chunk - [`KT-65834`](https://youtrack.jetbrains.com/issue/KT-65834) \[KLIB Resolve] Drop library versions in KLIB manifests - [`KT-67446`](https://youtrack.jetbrains.com/issue/KT-67446) \[KLIB Tool] Drop "-repository <path>" CLI parameter - [`KT-67445`](https://youtrack.jetbrains.com/issue/KT-67445) \[KLIB Tool] Drop "install" and "remove" commands ##### Language Design - [`KT-58920`](https://youtrack.jetbrains.com/issue/KT-58920) K2: Prioritize Enum.entries resolve - [`KT-11914`](https://youtrack.jetbrains.com/issue/KT-11914) Confusing data class copy with private constructor - [`KT-68636`](https://youtrack.jetbrains.com/issue/KT-68636) Incorrect private_to_this visibility for data class with a private constructor ##### Libraries ##### New Features - [`KT-31880`](https://youtrack.jetbrains.com/issue/KT-31880) UUID functionality to fix Java bugs as well as extend it - [`KT-57998`](https://youtrack.jetbrains.com/issue/KT-57998) implement Base64.withoutPadding ##### Performance Improvements - [`KT-67023`](https://youtrack.jetbrains.com/issue/KT-67023) Optimize Int.sign and Long.sign for js and wasmJs targets ##### Fixes - [`KT-70196`](https://youtrack.jetbrains.com/issue/KT-70196) Introduce ExperimentalUuidApi annotation for marking Uuid API - [`KT-60787`](https://youtrack.jetbrains.com/issue/KT-60787) Cannot ignore alpha when formatting with HexFormat - [`KT-68025`](https://youtrack.jetbrains.com/issue/KT-68025) Improve documentation for Hex - [`KT-66129`](https://youtrack.jetbrains.com/issue/KT-66129) Minor issues with HexFormat - [`KT-67511`](https://youtrack.jetbrains.com/issue/KT-67511) provide equals() and hashCode() implementations for kotlinx.metadata.KmType - [`KT-68240`](https://youtrack.jetbrains.com/issue/KT-68240) stdlib: proper expects for internal API used in intermediate shared source sets - [`KT-68840`](https://youtrack.jetbrains.com/issue/KT-68840) atomicfu-runtime: annotate some internal functions with `@PublishedApi` - [`KT-68839`](https://youtrack.jetbrains.com/issue/KT-68839) Annotate `kotlin.js.VOID` property with `@PublishedApi` - [`KT-68023`](https://youtrack.jetbrains.com/issue/KT-68023) Improve documentation for Base64 - [`KT-51483`](https://youtrack.jetbrains.com/issue/KT-51483) Documentation of trimMargin is (partly) difficult to understand - [`KT-64649`](https://youtrack.jetbrains.com/issue/KT-64649) Add explanation to "A compileOnly dependency is used in the Kotlin/Native target" warning message - [`KT-67807`](https://youtrack.jetbrains.com/issue/KT-67807) JS/Wasm: ByteArray.decodeToString incorrectly handles ill-formed 4-byte sequences with a 2nd byte not being continuation byte - [`KT-67768`](https://youtrack.jetbrains.com/issue/KT-67768) Wasm: ByteArray.decodeToString throws out-of-bounds exception if the last byte is a start of a 4-byte sequence - [`KT-66896`](https://youtrack.jetbrains.com/issue/KT-66896) Improve Array contentEquals and contentDeepEquals documentation ##### Native - [`KT-70166`](https://youtrack.jetbrains.com/issue/KT-70166) Native: EXC_BAD_ACCESS on watchOS when using Dispatchers - [`KT-69246`](https://youtrack.jetbrains.com/issue/KT-69246) K2: linkPodDebugFrameworkIosArm64 takes 15 (!!) times longer - [`KT-67694`](https://youtrack.jetbrains.com/issue/KT-67694) Native: WeakRefBenchmark degradation due to nonoptimized IntProgression iteration - [`KT-69206`](https://youtrack.jetbrains.com/issue/KT-69206) Native: updating to LLVM 16 breaks debugging in lldb on Linux - [`KT-68640`](https://youtrack.jetbrains.com/issue/KT-68640) Native: updating to LLVM 16 changes behavior of `used` attribute in C/C++ code - [`KT-58097`](https://youtrack.jetbrains.com/issue/KT-58097) Kotlin/Native: improve the error message if Xcode is not properly configured - [`KT-67583`](https://youtrack.jetbrains.com/issue/KT-67583) compileKotlin-task unexpectedly downloads K/N dependencies on Linux (but doesn't on Mac) ##### Native. Build Infrastructure - [`KT-69781`](https://youtrack.jetbrains.com/issue/KT-69781) Kotlin/Native performance tests fail to compile with bitcode ##### Native. C and ObjC Import - [`KT-69094`](https://youtrack.jetbrains.com/issue/KT-69094) LLVM 11 clang: cinterops fail with "\_Float16 is not supported on this target" - [`KT-68254`](https://youtrack.jetbrains.com/issue/KT-68254) Native: flaky testForwardEnum test in Kotlin/Native on MacOS - [`KT-65260`](https://youtrack.jetbrains.com/issue/KT-65260) Native: compiler crashes when casting to an Obj-C class companion ##### Native. ObjC Export - [`KT-65666`](https://youtrack.jetbrains.com/issue/KT-65666) Native: enable objcExportSuspendFunctionLaunchThreadRestriction=none by default - [`KT-57496`](https://youtrack.jetbrains.com/issue/KT-57496) linkReleaseFrameworkIosArm64: e: Compilation failed: An operation is not implemented ##### Native. Platform Libraries - [`KT-69382`](https://youtrack.jetbrains.com/issue/KT-69382) LLVM 11 clang: symbol not found when running the linker ##### Native. Runtime - [`KT-70043`](https://youtrack.jetbrains.com/issue/KT-70043) Native: EXC_BAD_ACCESS on watchOS when using Random - [`KT-68928`](https://youtrack.jetbrains.com/issue/KT-68928) EXC_BREAKPOINT: BUG IN CLIENT OF LIBPLATFORM: Trying to recursively lock an os_unfair_lock ##### Native. Runtime. Memory - [`KT-66644`](https://youtrack.jetbrains.com/issue/KT-66644) Native: threads are too often paused to assist GC (with concurrent mark) - [`KT-68871`](https://youtrack.jetbrains.com/issue/KT-68871) Native: Unexpected barriers phase during STW: weak-processing - [`KT-67779`](https://youtrack.jetbrains.com/issue/KT-67779) Native: SpecialRefRegistry::ThradData publication prolongs the pause in CMS - [`KT-66918`](https://youtrack.jetbrains.com/issue/KT-66918) Native: scan global root set concurrently ##### Native. Swift Export - [`KT-69469`](https://youtrack.jetbrains.com/issue/KT-69469) Exporting object twice causing crash - [`KT-69251`](https://youtrack.jetbrains.com/issue/KT-69251) Get rid of context receivers from ./native/.../lazyWithSessions.kt - [`KT-68865`](https://youtrack.jetbrains.com/issue/KT-68865) Move config into test-directives - [`KT-68259`](https://youtrack.jetbrains.com/issue/KT-68259) Swift export: secondary constructs lead to compilation errors - [`KT-67095`](https://youtrack.jetbrains.com/issue/KT-67095) Native: fix testNativeRefs export test - [`KT-67099`](https://youtrack.jetbrains.com/issue/KT-67099) Remove SirVisitor and SirTransformer from code - [`KT-67003`](https://youtrack.jetbrains.com/issue/KT-67003) Abandon PackageInflator implementation in favour of PackageProvider component ##### Native. Testing - [`KT-69235`](https://youtrack.jetbrains.com/issue/KT-69235) Incorrect handling of friend dependencies in Native test infra - [`KT-67436`](https://youtrack.jetbrains.com/issue/KT-67436) Native: support CLI tests - [`KT-68416`](https://youtrack.jetbrains.com/issue/KT-68416) Native: when using test grouping, a whole group gets ignored on non-Mac hosts if it has Objective-C tests - [`KT-68500`](https://youtrack.jetbrains.com/issue/KT-68500) Native: Drop custom logic in ExtTestCaseGroupProvider, mute codegen/box tests explicitly ##### Reflection - [`KT-69433`](https://youtrack.jetbrains.com/issue/KT-69433) KotlinReflectionInternalError on non-reified type parameter in typeOf inside an inline lambda - [`KT-68675`](https://youtrack.jetbrains.com/issue/KT-68675) K2: KotlinReflectionInternalError on non-reified type parameter in typeOf inside a lambda ##### Tools. Build Tools API - [`KT-68555`](https://youtrack.jetbrains.com/issue/KT-68555) BTA test infra: top level declarations are invisible across modules ##### Tools. CLI - [`KT-69792`](https://youtrack.jetbrains.com/issue/KT-69792) Add the possibility to disable fast jar fs in K2 - [`KT-68838`](https://youtrack.jetbrains.com/issue/KT-68838) OutOfMemory when compiling in CLI - [`KT-67939`](https://youtrack.jetbrains.com/issue/KT-67939) Add CLI argument to enable when guards feature - [`KT-68743`](https://youtrack.jetbrains.com/issue/KT-68743) Extract common CLI arguments for all KLIB-based backends - [`KT-68450`](https://youtrack.jetbrains.com/issue/KT-68450) CLI: errors related to module-info are reported even if there are no Kotlin source files - [`KT-68060`](https://youtrack.jetbrains.com/issue/KT-68060) FastJarFS fails on empty jars ##### Tools. CLI. Native - [`KT-66952`](https://youtrack.jetbrains.com/issue/KT-66952) Native: konanc fails when KONAN_HOME is under path with spaces - [`KT-64524`](https://youtrack.jetbrains.com/issue/KT-64524) Introduce a CLI argument to override native_targets field in klib manifest ##### Tools. Commonizer - [`KT-68835`](https://youtrack.jetbrains.com/issue/KT-68835) Command line length overflow on Linux/Windows while invoking commonizer via :commonizeDistribution ##### Tools. Compiler Plugin API - [`KT-68020`](https://youtrack.jetbrains.com/issue/KT-68020) K2: run FirSupertypeGenerationExtension over generated declarations ##### Tools. Compiler Plugins - [`KT-64425`](https://youtrack.jetbrains.com/issue/KT-64425) K2: Implement Atomicfu\*IrTestGenerated for K2 - [`KT-69401`](https://youtrack.jetbrains.com/issue/KT-69401) Kotlin power assert plugin doesn't work correctly with safe cast operator - [`KT-69290`](https://youtrack.jetbrains.com/issue/KT-69290) PowerAssert: implicit receivers included in power-assert generated diagram - [`KT-68511`](https://youtrack.jetbrains.com/issue/KT-68511) Power Assert kotlinx.assertEquals message display problem - [`KT-68807`](https://youtrack.jetbrains.com/issue/KT-68807) Power-Assert crashes the Kotlin compiler when if expression used as assertion parameter - [`KT-68162`](https://youtrack.jetbrains.com/issue/KT-68162) K2 Parcelize implementation breaks compiler phase contracts - [`KT-67605`](https://youtrack.jetbrains.com/issue/KT-67605) K2 parcelize: false positive NOTHING_TO_OVERRIDE in one test - [`KT-64455`](https://youtrack.jetbrains.com/issue/KT-64455) K2: Implement ParcelizeIrBoxTestWithSerializableLikeExtension for K2 ##### Tools. Compiler plugins. Serialization - [`KT-70516`](https://youtrack.jetbrains.com/issue/KT-70516) KxSerialization: `@KeepGeneratedSerializer` and sealed class cause initialization error - [`KT-68752`](https://youtrack.jetbrains.com/issue/KT-68752) Serializable annotation on Java class is not taken into account in K2 checker - [`KT-68931`](https://youtrack.jetbrains.com/issue/KT-68931) JS/Native + serialization: partial linkage error - [`KT-69039`](https://youtrack.jetbrains.com/issue/KT-69039) FIR: Implement IDE-only checker for kotlinx.serialization compiler plugin to report IDE-only diagnostics ##### Tools. Fleet. ObjC Export - [`KT-68826`](https://youtrack.jetbrains.com/issue/KT-68826) ObjCExport: SerializersModuleBuilder - [`KT-68841`](https://youtrack.jetbrains.com/issue/KT-68841) ObjCExport: `@Deprecated` support - [`KT-68887`](https://youtrack.jetbrains.com/issue/KT-68887) ObjCExport: K1 text fixture `@Deprecated` support - [`KT-68051`](https://youtrack.jetbrains.com/issue/KT-68051) \[ObjCExport] Support reserved method names ##### Tools. Gradle ##### New Features - [`KT-68651`](https://youtrack.jetbrains.com/issue/KT-68651) Compose: provide a single place in extension to configure all compose flags ##### Performance Improvements - [`KT-61861`](https://youtrack.jetbrains.com/issue/KT-61861) Gradle: Kotlin compilations depend on packed artifacts ##### Fixes - [`KT-69809`](https://youtrack.jetbrains.com/issue/KT-69809) Compose Gradle Plugin: AGP doesn't override configuration properties like traceMarkersEnabled - [`KT-65820`](https://youtrack.jetbrains.com/issue/KT-65820) Compatibility with Gradle 8.7 release - [`KT-69444`](https://youtrack.jetbrains.com/issue/KT-69444) Don't warn about missing Compose Compiler Gradle plugin in some cases - [`KT-67888`](https://youtrack.jetbrains.com/issue/KT-67888) Remove usages of deprecated Configuration.fileCollection() method - [`KT-68843`](https://youtrack.jetbrains.com/issue/KT-68843) Gradle: Kotlin plugin changes source set 'main' to 'null/main' - [`KT-67395`](https://youtrack.jetbrains.com/issue/KT-67395) Add new plugins to collector kotlin gradle performance - [`KT-68661`](https://youtrack.jetbrains.com/issue/KT-68661) Move ExperimentalWasmDsl to kotlin-gradle-plugin-annotations - [`KT-69837`](https://youtrack.jetbrains.com/issue/KT-69837) Deprecation warning for file-based IC is issued when the property is set to true, altering the intended meaning of the message - [`KT-69291`](https://youtrack.jetbrains.com/issue/KT-69291) Compose Gradle plugin: Enable strong skipping by default - [`KT-67766`](https://youtrack.jetbrains.com/issue/KT-67766) Build against Gradle API 8.7 - [`KT-67889`](https://youtrack.jetbrains.com/issue/KT-67889) Run tests against Gradle 8.8 release - [`KT-65271`](https://youtrack.jetbrains.com/issue/KT-65271) Gradle: "Mutating dependency DefaultExternalModuleDependency after it has been finalized has been deprecated " with gradle 8.6-rc-3 - [`KT-67822`](https://youtrack.jetbrains.com/issue/KT-67822) Deprecate JVM history files based incremental compilation - [`KT-64378`](https://youtrack.jetbrains.com/issue/KT-64378) Compatibility with Gradle 8.6 release - [`KT-69414`](https://youtrack.jetbrains.com/issue/KT-69414) Compose: featureFlags override values of the deprecated compose options - [`KT-67771`](https://youtrack.jetbrains.com/issue/KT-67771) Compatibility with Gradle 8.8 release - [`KT-65528`](https://youtrack.jetbrains.com/issue/KT-65528) Migrate rest of Gradle integration tests to new Test DSL - [`KT-68306`](https://youtrack.jetbrains.com/issue/KT-68306) Project isolation for FUS statistics: Cannot access project ':' from project ':app' at org.jetbrains.kotlin.gradle.report.BuildMetricsService$ Companion.initBuildScanExtensionHolder - [`KT-67890`](https://youtrack.jetbrains.com/issue/KT-67890) Compile against Gradle 8.8 API artifact - [`KT-68773`](https://youtrack.jetbrains.com/issue/KT-68773) Kotlin 2.0.0 with Gradle 8.8: ConcurrentModificationException on BuildFusService configurationMetrics - [`KT-68308`](https://youtrack.jetbrains.com/issue/KT-68308) Project isolation for FUS statistics: An error is thrown at org.gradle.configurationcache.ProblemReportingCrossProjectModelAccess$ProblemReportingProject.getLayout - [`KT-61574`](https://youtrack.jetbrains.com/issue/KT-61574) Add project-isolation test for Kotlin/Android plugin - [`KT-65936`](https://youtrack.jetbrains.com/issue/KT-65936) Provide a detailed error for changing kotlin native version dependency. - [`KT-62684`](https://youtrack.jetbrains.com/issue/KT-62684) PropertiesBuildService should load extraProperties only once - [`KT-67288`](https://youtrack.jetbrains.com/issue/KT-67288) Test DSL should not fail the test if build scan publishing has failed - [`KT-58280`](https://youtrack.jetbrains.com/issue/KT-58280) org.jetbrains.kotlin.jvm Gradle plugin contributes build directories to the test compile classpath ##### Tools. Gradle. JS - [`KT-70077`](https://youtrack.jetbrains.com/issue/KT-70077) \[2.0.20-Beta2] KGP reports confusing warnings about js/wasmJS source sets - [`KT-69805`](https://youtrack.jetbrains.com/issue/KT-69805) YarnSetupTask does not work for custom downloadBaseUrl - [`KT-67444`](https://youtrack.jetbrains.com/issue/KT-67444) Gradle / JS: wrong type commonWebpackConfig.devServer.proxy - [`KT-42923`](https://youtrack.jetbrains.com/issue/KT-42923) KJS: Resources are not available when running Karma tests - [`KT-68482`](https://youtrack.jetbrains.com/issue/KT-68482) KotlinNpmInstallTask is not compatible with configuration cache - [`KT-68072`](https://youtrack.jetbrains.com/issue/KT-68072) K/JS, K/Wasm: Module not found in transitive case - [`KT-68103`](https://youtrack.jetbrains.com/issue/KT-68103) K/JS, K/Wasm: Generation of test compilation's package.json requires main compilation - [`KT-67924`](https://youtrack.jetbrains.com/issue/KT-67924) K/JS, K/Wasm: kotlinNpmInstall can rewrite root package.json ##### Tools. Gradle. Kapt - [`KT-64627`](https://youtrack.jetbrains.com/issue/KT-64627) Kapt3KotlinGradleSubplugin uses property lookup that breaks project isolation - [`KT-61928`](https://youtrack.jetbrains.com/issue/KT-61928) Clarify parameter types in KaptArguments and KaptJavacOption ##### Tools. Gradle. Multiplatform ##### New Features - [`KT-56566`](https://youtrack.jetbrains.com/issue/KT-56566) Consider pre-generating DSL accessors for source sets with names corresponding to the default target hierarchy ##### Fixes - [`KT-66568`](https://youtrack.jetbrains.com/issue/KT-66568) w: KLIB resolver: The same 'unique_name=...' found in more than one library - [`KT-65754`](https://youtrack.jetbrains.com/issue/KT-65754) Gradle: Commonized cinterop dependency configuration changes project description - [`KT-69406`](https://youtrack.jetbrains.com/issue/KT-69406) Deprecate combinations of KMP plugin with some Gradle Java plugins - [`KT-64109`](https://youtrack.jetbrains.com/issue/KT-64109) Using compileOnly/runtimeOnly dependencies in K/N-related configurations leads to odd behaviour - [`KT-69311`](https://youtrack.jetbrains.com/issue/KT-69311) runDebugExecutable task fails with "this.compilation" is null with enabled configuration cache - [`KT-69310`](https://youtrack.jetbrains.com/issue/KT-69310) w: KLIB resolver: The same 'unique_name=...' found in more than one library for diamond source set structures - [`KT-61793`](https://youtrack.jetbrains.com/issue/KT-61793) KMP/AGP compatibility: Update the maximum tested AGP version to 8.3 - [`KT-66209`](https://youtrack.jetbrains.com/issue/KT-66209) Accessing the source sets by name is confusing - [`KT-62368`](https://youtrack.jetbrains.com/issue/KT-62368) Kotlin 1.9.X fails to detect kotlin.test.Test annotation reference on commonTest source set when targeting JVM+Android - [`KT-67110`](https://youtrack.jetbrains.com/issue/KT-67110) Usage of BuildOperationExecutor.getCurrentOpeartion internal Gradle API - [`KT-58319`](https://youtrack.jetbrains.com/issue/KT-58319) kotlin.git: ProjectMetadataProviderImpl "Unexpected source set 'commonMain'" ##### Tools. Gradle. Native - [`KT-69918`](https://youtrack.jetbrains.com/issue/KT-69918) java.lang.NullPointerException: Cannot invoke "org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeCompilation.getTarget()" because "this.compilation" is null - [`KT-67935`](https://youtrack.jetbrains.com/issue/KT-67935) OverriddenKotlinNativeHomeChecker does not work well with relative paths - [`KT-64430`](https://youtrack.jetbrains.com/issue/KT-64430) Remove deprecated KotlinToolRunner(project) constructor - [`KT-64427`](https://youtrack.jetbrains.com/issue/KT-64427) Stop using deprecated KotlinToolRunner(project) constructor call ##### Tools. Incremental Compile - [`KT-69042`](https://youtrack.jetbrains.com/issue/KT-69042) K2: changing a Java constant won't cause Kotlin usages to recompile - [`KT-63476`](https://youtrack.jetbrains.com/issue/KT-63476) Investigate the debug output of JVM compilation in KMP IC smoke tests ##### Tools. JPS - [`KT-63707`](https://youtrack.jetbrains.com/issue/KT-63707) JPS: "Multiple values are not allowed for" caused by Compose ##### Tools. Kapt - [`KT-68145`](https://youtrack.jetbrains.com/issue/KT-68145) K2 KAPT: missing $annotations methods for const properties and private properties without accessors - [`KT-67495`](https://youtrack.jetbrains.com/issue/KT-67495) File leak in when building with kapt - [`KT-66780`](https://youtrack.jetbrains.com/issue/KT-66780) K2 KAPT Kotlinc should exit with an exit code 1 (compilation error) if a Kapt task fails - [`KT-66998`](https://youtrack.jetbrains.com/issue/KT-66998) K2 KAPT: Reimplement support for DefaultImpls ##### Tools. Scripts - [`KT-69296`](https://youtrack.jetbrains.com/issue/KT-69296) scripting dependency resolution does not authenticate towards maven mirrors - [`KT-67575`](https://youtrack.jetbrains.com/issue/KT-67575) FromConfigurationsBase script definition unexpected behaviour with regex from gradle templates - [`KT-67066`](https://youtrack.jetbrains.com/issue/KT-67066) DeepCopyIrTreeWithSymbols does not copy IrScript nodes correctly - [`KT-67071`](https://youtrack.jetbrains.com/issue/KT-67071) K2: ScriptCompilationConfigurationFromDefinition is not serializable - [`KT-67063`](https://youtrack.jetbrains.com/issue/KT-67063) LauncherReplTest flaky on Windows ##### Tools. Wasm - [`KT-70220`](https://youtrack.jetbrains.com/issue/KT-70220) K/Wasm: Upgrade NPM dependencies - [`KT-69245`](https://youtrack.jetbrains.com/issue/KT-69245) K/Wasm: Remove warning of working-in-progress - [`KT-69154`](https://youtrack.jetbrains.com/issue/KT-69154) K/Wasm: wasmJsBrowserProductionRun flaky crash with "WebAssembly.instantiate(): Import ... function import requires a callable" - [`KT-68930`](https://youtrack.jetbrains.com/issue/KT-68930) K/Wasm: Production run doesn not use optimize task result - [`KT-67901`](https://youtrack.jetbrains.com/issue/KT-67901) K/Wasm: Add kotlin-wasm-examples to CI - [`KT-67468`](https://youtrack.jetbrains.com/issue/KT-67468) Gradle task build (allTests) fails on default web project - [`KT-67980`](https://youtrack.jetbrains.com/issue/KT-67980) Wasm: Incorrect "Please choose a JavaScript environment to build distributions and run tests" when WASM is not configured - [`KT-67862`](https://youtrack.jetbrains.com/issue/KT-67862) K/Wasm: Make usage of ChromeWasmGc an error ### [`v2.0.10`](https://github.com/JetBrains/kotlin/releases/tag/v2.0.10): Kotlin 2.0.10 [Compare Source](https://github.com/JetBrains/kotlin/compare/v2.0.0...v2.0.10) #### 2.0.10 ##### Apple Ecosystem - [`KT-68257`](https://youtrack.jetbrains.com/issue/KT-68257) Xcode incorrectly reuses embedAndSign framework when moving to and from 2.0.0 ##### Compiler ##### Fixes - [`KT-69876`](https://youtrack.jetbrains.com/issue/KT-69876) K2 Compile exception: Only IrBlockBody together with kotlinx serialization - [`KT-68521`](https://youtrack.jetbrains.com/issue/KT-68521) K2: Property's private setters can be bypassed when using plusAssign and minusAssign operators - [`KT-68667`](https://youtrack.jetbrains.com/issue/KT-68667) K2: Compiler hangs on mapNotNull and elvis inside lambda - [`KT-68747`](https://youtrack.jetbrains.com/issue/KT-68747) K2: Long compilation time because of constraint solving when using typealias in different modules - [`KT-68940`](https://youtrack.jetbrains.com/issue/KT-68940) K2: "IllegalArgumentException: All variables should be fixed to something" - [`KT-68797`](https://youtrack.jetbrains.com/issue/KT-68797) K2 / Native: "java.lang.IllegalStateException: FIELD" caused by enabled caching - [`KT-68362`](https://youtrack.jetbrains.com/issue/KT-68362) False-positive ABSTRACT_MEMBER_NOT_IMPLEMENTED for inheritor of java class which directly implements java.util.Map - [`KT-68449`](https://youtrack.jetbrains.com/issue/KT-68449) K2: "when" expression returns Unit - [`KT-67072`](https://youtrack.jetbrains.com/issue/KT-67072) K2: inconsistent stability of open vals on receivers of final type - [`KT-68570`](https://youtrack.jetbrains.com/issue/KT-68570) K2: "Unresolved reference" in call with lambda argument and nested lambda argument - [`KT-69159`](https://youtrack.jetbrains.com/issue/KT-69159) K2: KotlinNothingValueException in Exposed - [`KT-68623`](https://youtrack.jetbrains.com/issue/KT-68623) K2: "Only safe or null-asserted calls are allowed" on safe call - [`KT-68193`](https://youtrack.jetbrains.com/issue/KT-68193) JDK 21: new MutableList.addFirst/addLast methods allow adding nullable value for non-null types - [`KT-67804`](https://youtrack.jetbrains.com/issue/KT-67804) removeFirst and removeLast return type with Java 21 - [`KT-68727`](https://youtrack.jetbrains.com/issue/KT-68727) K2: "Null argument in ExpressionCodegen for parameter VALUE_PARAMETER" caused by an enum class with default parameter in a different module - [`KT-68383`](https://youtrack.jetbrains.com/issue/KT-68383) K2: "Argument type mismatch: actual type is 'kotlin.String', but 'T & Any' was expected." with intersection types - [`KT-68546`](https://youtrack.jetbrains.com/issue/KT-68546) K2: false-positive conflicting overloads error on inheriting generic type with inherited generic and non-generic member overloads - [`KT-68626`](https://youtrack.jetbrains.com/issue/KT-68626) K2: "Conflicting Overloads" for function if inherited from generic type - [`KT-68351`](https://youtrack.jetbrains.com/issue/KT-68351) K2: "Suspension functions can only be called within coroutine body" - [`KT-68489`](https://youtrack.jetbrains.com/issue/KT-68489) K2: WRONG_ANNOTATION_TARGET with Java and Kotlin `@Target` annotation positions - [`KT-69058`](https://youtrack.jetbrains.com/issue/KT-69058) K2: Java-defined property annotations not persisted - [`KT-64515`](https://youtrack.jetbrains.com/issue/KT-64515) K2 IDE: \[NEW_INFERENCE_ERROR] in a build.gradle.kts script while applying "jvm-test-suite" plugin and then configuring targets for test suites - [`KT-68016`](https://youtrack.jetbrains.com/issue/KT-68016) K2: Gradle repo test `should compile correctly with Kotlin explicit api mode` fails on K2 - [`KT-68575`](https://youtrack.jetbrains.com/issue/KT-68575) K2: `@ParameterName` annotation is not erased when inferring the type of `it` in lambdas - [`KT-67999`](https://youtrack.jetbrains.com/issue/KT-67999) K2: lost flexibility on parameters of Java SAM - [`KT-59679`](https://youtrack.jetbrains.com/issue/KT-59679) K2: Investigate extracting uncompleted candidates from blocks - [`KT-68401`](https://youtrack.jetbrains.com/issue/KT-68401) K2: "IllegalAccessError: failed to access class" caused by package private super Java type, when inferencing a common super type of if or when branches on JVM - [`KT-68806`](https://youtrack.jetbrains.com/issue/KT-68806) K/Wasm RuntimeError: unreachable on Sequence::toList - [`KT-68455`](https://youtrack.jetbrains.com/issue/KT-68455) K2: False negative UPPER_BOUND_VIOLATED_BASED_ON_JAVA_ANNOTATIONS - [`KT-68538`](https://youtrack.jetbrains.com/issue/KT-68538) KJS/K2: using `while` with `break` inside inline lambdas leads to an endless cycle - [`KT-68798`](https://youtrack.jetbrains.com/issue/KT-68798) JVM compiler crashes on calling private expect constructor with a default parameter - [`KT-68734`](https://youtrack.jetbrains.com/issue/KT-68734) K2: enum class in KMP: Expect declaration `MMKVLogLevel` is incompatible with actual `MMKVLogLevel` because modality is different - [`KT-68674`](https://youtrack.jetbrains.com/issue/KT-68674) False positive ACTUAL_WITHOUT_EXPECT in K2 - [`KT-68350`](https://youtrack.jetbrains.com/issue/KT-68350) K2: "Inapplicable candidate(s)" caused by parameter reference of local class with type parameters from function - [`KT-68571`](https://youtrack.jetbrains.com/issue/KT-68571) K2: "IllegalStateException: Fake override should have at least one overridden descriptor" caused by exceptions and when statement - [`KT-68523`](https://youtrack.jetbrains.com/issue/KT-68523) K2: FileAnalysisException when using Definitely non-nullable types - [`KT-68339`](https://youtrack.jetbrains.com/issue/KT-68339) K2: "Enum entry \* is uninitialized here" caused by lazy property with enum in `when` expression - [`KT-66688`](https://youtrack.jetbrains.com/issue/KT-66688) K2: false-negative "upper bound violated" error in extension receiver - [`KT-68630`](https://youtrack.jetbrains.com/issue/KT-68630) DiagnosticsSuppressor is not invoked with Kotlin 2.0 - [`KT-68222`](https://youtrack.jetbrains.com/issue/KT-68222) K2. KMP. False negative `Expected declaration must not have a body` for expected top-level property with getter/setter - [`KT-64103`](https://youtrack.jetbrains.com/issue/KT-64103) FirExpectActualDeclarationChecker reports diagnostic error for KtPsiSimpleDiagnostic with KtFakeSourceElement - [`KT-68191`](https://youtrack.jetbrains.com/issue/KT-68191) K2. Static fake-overrides are not generated for kotlin Fir2IrLazyClass - [`KT-68024`](https://youtrack.jetbrains.com/issue/KT-68024) K2: Gradle repo test `accessors to kotlin internal task types...` fails on K2 - [`KT-64957`](https://youtrack.jetbrains.com/issue/KT-64957) K1: drop ModuleAnnotationResolver ##### Compose compiler - [`0c5a858`](https://github.com/JetBrains/kotlin/commit/0c5a858604da726792d5b3c16374bb6cba5baf2f) Fix memoization of captureless lambdas when K2 compiler is used [b/340582180](https://issuetracker.google.com/issues/340582180) - [`a8249d6`](https://github.com/JetBrains/kotlin/commit/a8249d60c7cd14a459469fe0ef2099721d3dd699) Allow memoizing lambdas in composable inline functions [b/340606661](https://issuetracker.google.com/issues/340606661) ##### Native - [`KT-68094`](https://youtrack.jetbrains.com/issue/KT-68094) K2/Native: Member inherits different '`@Throws`' when inheriting from generic type ##### Tools. Compiler Plugins - [`KT-69187`](https://youtrack.jetbrains.com/issue/KT-69187) Compose compiler for web doesn't support rememberComposableLambda - [`KT-68557`](https://youtrack.jetbrains.com/issue/KT-68557) K2. Supertypes resolution of KJK hierarchy fails in presence of allopen plugin ##### Tools. Compiler plugins. Serialization - [`KT-68850`](https://youtrack.jetbrains.com/issue/KT-68850) Compose lambda type not transformed with KGP 2 + new Compose plugin ##### Tools. Daemon - [`KT-68297`](https://youtrack.jetbrains.com/issue/KT-68297) KGP 2.0 regression: JAVA_TOOL_OPTIONS is not considered in Kotlin daemon creation ##### Tools. Gradle - [`KT-69330`](https://youtrack.jetbrains.com/issue/KT-69330) KotlinCompile friendPathsSet property is racy due causing build cache invalidation - [`KT-69026`](https://youtrack.jetbrains.com/issue/KT-69026) Mark AGP 8.5.0 as compatible with KGP - [`KT-68447`](https://youtrack.jetbrains.com/issue/KT-68447) ill-added intentionally-broken dependency source configurations - [`KT-69078`](https://youtrack.jetbrains.com/issue/KT-69078) Gradle: Add option to disable FUS Service - [`KT-68278`](https://youtrack.jetbrains.com/issue/KT-68278) Spring resource loading in combination with `java-test-fixtures` plugin broken - [`KT-66452`](https://youtrack.jetbrains.com/issue/KT-66452) Gradle produces false positive configuration cache problem for Project usage at execution time - [`KT-68242`](https://youtrack.jetbrains.com/issue/KT-68242) Run tests against AGP 8.4.0 ##### Tools. Gradle. Multiplatform - [`KT-68805`](https://youtrack.jetbrains.com/issue/KT-68805) KMP project (re-)import took a long time for downloading platform libs - [`KT-68248`](https://youtrack.jetbrains.com/issue/KT-68248) kotlin multiplatform project fail to build on Fedora with corretto ##### Tools. Gradle. Native - [`KT-68638`](https://youtrack.jetbrains.com/issue/KT-68638) KGP 2.0 breaks native test with api dependencies and configuration cache - [`KT-65761`](https://youtrack.jetbrains.com/issue/KT-65761) Missing JDK Platform ClassLoader when compiling Kotlin native in daemon ##### Tools. JPS - [`KT-69204`](https://youtrack.jetbrains.com/issue/KT-69204) Generate lookups in dumb mode for compatibility with ref index ##### Tools. Kapt - [`KT-68171`](https://youtrack.jetbrains.com/issue/KT-68171) K2KAPT: boxed return types in overridden methods changed to primitives ##### Tools. Scripts - [`KT-68681`](https://youtrack.jetbrains.com/issue/KT-68681) K2 / CLI / Script: "NullPointerException: getService(...) must not be null" caused by `@DependsOn` - [`KT-67747`](https://youtrack.jetbrains.com/issue/KT-67747) K2: regression in Spring unit tests using `javax.script.ScriptEngine` ### [`v2.0.0`](https://github.com/JetBrains/kotlin/releases/tag/v2.0.0): Kotlin 2.0.0 [Compare Source](https://github.com/JetBrains/kotlin/compare/v1.9.25...v2.0.0) #### Changelog ##### Analysis. API ##### New Features - [`KT-65327`](https://youtrack.jetbrains.com/issue/KT-65327) Support reading klib contents in Analysis API ##### Performance Improvements - [`KT-65560`](https://youtrack.jetbrains.com/issue/KT-65560) K2: Anaysis API: ContextCollector triggers redundant resolution in the case of file elements - [`KT-64987`](https://youtrack.jetbrains.com/issue/KT-64987) Analysis API: 50GB memory allocation on creating empty kotlinx.collections.immutable.persistentMapOf - [`KT-61789`](https://youtrack.jetbrains.com/issue/KT-61789) K2: optimize getFirForNonKtFileElement for references inside super type reference - [`KT-59498`](https://youtrack.jetbrains.com/issue/KT-59498) K2: getOnAirGetTowerContextProvider took too much time due to on air resolve - [`KT-61728`](https://youtrack.jetbrains.com/issue/KT-61728) Analysis API: optimize AllCandidatesResolver.getAllCandidates ##### Fixes - [`KT-65561`](https://youtrack.jetbrains.com/issue/KT-65561) Analysis API: dummy.kt is not a physical file - [`KT-65616`](https://youtrack.jetbrains.com/issue/KT-65616) K2: FirDeclarationStatusImpl cannot be cast to FirResolvedDeclarationStatus from STATUS - [`KT-65600`](https://youtrack.jetbrains.com/issue/KT-65600) Analysis Api: FirFile for KtCodeFragments are created and not updated on changes - [`KT-64919`](https://youtrack.jetbrains.com/issue/KT-64919) K2 IDE: Implement KMP support for sealed class inheritors - [`KT-64241`](https://youtrack.jetbrains.com/issue/KT-64241) K2: Unresolved calls to functions in scripts depending on included projects - [`KT-65813`](https://youtrack.jetbrains.com/issue/KT-65813) Analysis API Standalone: `FirDeclarationForCompiledElementSearcher` does not find compiled elements - [`KT-66052`](https://youtrack.jetbrains.com/issue/KT-66052) AA: render expect/actual modifier - [`KT-66795`](https://youtrack.jetbrains.com/issue/KT-66795) KtCodeFragment.clone() is broken - [`KT-66532`](https://youtrack.jetbrains.com/issue/KT-66532) K2 CodeGen AA: missing annotation setup for function in source module but not in a compile target file - [`KT-64833`](https://youtrack.jetbrains.com/issue/KT-64833) Analysis API: Members implemented by delegation have no overridden symbols - [`KT-62405`](https://youtrack.jetbrains.com/issue/KT-62405) Analysis API: Symbols `SUBSTITUTION_OVERRIDE` have no overridden symbols - [`KT-66749`](https://youtrack.jetbrains.com/issue/KT-66749) K2: "Collection contains no element matching the predicate" on an unresolved call - [`KT-62832`](https://youtrack.jetbrains.com/issue/KT-62832) K2: ClassCastException: FirDeclarationStatusImpl cannot be cast to FirResolvedDeclarationStatus - [`KT-66719`](https://youtrack.jetbrains.com/issue/KT-66719) AbstractGetKlibSourceFileNameTest: The dependency to ":native:analysis-api-klib-reader" breaks JPS compilation - [`KT-66603`](https://youtrack.jetbrains.com/issue/KT-66603) Analysis API: support type annotations in KtPsiTypeProviderMixIn#asPsiType - [`KT-64505`](https://youtrack.jetbrains.com/issue/KT-64505) Analysis API Standalone: Remove test-specific calculation of sealed class inheritors - [`KT-66013`](https://youtrack.jetbrains.com/issue/KT-66013) Analysis API Standalone: Sealed inheritors aren't correctly calculated for source classes - [`KT-62880`](https://youtrack.jetbrains.com/issue/KT-62880) K2 IDE: Unresolved java annotation methods in KDoc - [`KT-66530`](https://youtrack.jetbrains.com/issue/KT-66530) K2: Analysis API: KtPsiTypeProvider#asKtType crashes on PsiClassType for Java type parameter with wrong use site - [`KT-65571`](https://youtrack.jetbrains.com/issue/KT-65571) Support VirtualFile inputs to Analysis API modules - [`KT-66485`](https://youtrack.jetbrains.com/issue/KT-66485) Substituted types are not provided for callable references - [`KT-66498`](https://youtrack.jetbrains.com/issue/KT-66498) Analysis API: 'KtFe10SymbolDeclarationOverridesProvider' considers a class to be a subclass of itself - [`KT-64579`](https://youtrack.jetbrains.com/issue/KT-64579) K2 IDE: "Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirValueParameterImpl(Source) but FirArgumentListImpl found" - [`KT-65978`](https://youtrack.jetbrains.com/issue/KT-65978) Analysis API: Use soft references in `FileStructureCache` - [`KT-64051`](https://youtrack.jetbrains.com/issue/KT-64051) K2 IDE: Analysis API: Unresolved links to typealias in KDoc - [`KT-66189`](https://youtrack.jetbrains.com/issue/KT-66189) K2 / IDE: KtFirExpressionTypeProvider bugs - [`KT-61422`](https://youtrack.jetbrains.com/issue/KT-61422) K2 IDE: "No array element type for vararg value parameter: org.jetbrains.kotlin.fir.declarations.impl.FirValueParameterImpl" - [`KT-66276`](https://youtrack.jetbrains.com/issue/KT-66276) K2: Analysis API: `TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM` false positive for script parameter - [`KT-66232`](https://youtrack.jetbrains.com/issue/KT-66232) K2: Analysis API: cover ScriptWithCustomDefDiagnosticsTestBaseGenerated by LL FIR tests - [`KT-60996`](https://youtrack.jetbrains.com/issue/KT-60996) K2: Stub Based Deserializer: Set versionRequirements to enable VERSION_REQUIREMENT_DEPRECATION diagnostics - [`KT-66306`](https://youtrack.jetbrains.com/issue/KT-66306) K2: Analysis API: drop ability to enable global phase resolve lock - [`KT-55750`](https://youtrack.jetbrains.com/issue/KT-55750) LL FIR: Implement multi-threaded resolve - [`KT-65563`](https://youtrack.jetbrains.com/issue/KT-65563) Analysis API: Missing session component `FirExpectActualMatchingContextFactory` in `LLFirLibrarySession` - [`KT-66173`](https://youtrack.jetbrains.com/issue/KT-66173) K2: No 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter' in array owner: LLFirLibrarySession - [`KT-66238`](https://youtrack.jetbrains.com/issue/KT-66238) Gradle kotlin build scripts - a lot of unresolved symbols after latest changes in kotlin master - [`KT-65099`](https://youtrack.jetbrains.com/issue/KT-65099) K2: Recursive local storage cache check for Fir2IrDeclarationStorage::createAndCacheIrPropertySymbols() - [`KT-65265`](https://youtrack.jetbrains.com/issue/KT-65265) Analysis API: Add library session invalidation tests - [`KT-56288`](https://youtrack.jetbrains.com/issue/KT-56288) Analysis API: Add tests for session invalidation on the Analysis API side - [`KT-64000`](https://youtrack.jetbrains.com/issue/KT-64000) K2: make AnnotationArgumentsStateKeepers more accurate - [`KT-63606`](https://youtrack.jetbrains.com/issue/KT-63606) K2: Analysis API: rewrite FirLazyAnnotationTransformer to avoid redundant transformations - [`KT-65191`](https://youtrack.jetbrains.com/issue/KT-65191) KtFirMultiplatformInfoProvider#getExpectForActual doesn't return expect function for slightly broken code - [`KT-62136`](https://youtrack.jetbrains.com/issue/KT-62136) Analysis API: Add concurrent tests for `CleanableSoftValueCache` - [`KT-61222`](https://youtrack.jetbrains.com/issue/KT-61222) K2: Add lifecycle management for `KtResolveExtension` - [`KT-65960`](https://youtrack.jetbrains.com/issue/KT-65960) Analysis API: Test infrastructure indexes binary libraries from decompiled files instead of stubs during IDE mode tests - [`KT-65240`](https://youtrack.jetbrains.com/issue/KT-65240) K2: CodeGen API fails to resolve Annotation parameter type when it runs FIR2IR for a class with a parent class from other module if the parent class has an annotation from another module - [`KT-65344`](https://youtrack.jetbrains.com/issue/KT-65344) K2: make FirScript statements (declarations) independent - [`KT-65930`](https://youtrack.jetbrains.com/issue/KT-65930) AA: receiver type for `Int?::foo` misses nullability - [`KT-65914`](https://youtrack.jetbrains.com/issue/KT-65914) AA: receiver type for `this::foo` returns return type of the target callable - [`KT-62071`](https://youtrack.jetbrains.com/issue/KT-62071) Analysis API: KtFirScopeProvider.getScopeContextForPosition throws exception when ImplicitReceiverValue.implicitScope is null - [`KT-65780`](https://youtrack.jetbrains.com/issue/KT-65780) K2: polish FileStructure implementation for FirFile - [`KT-62840`](https://youtrack.jetbrains.com/issue/KT-62840) K2 Script: everything around destructuring declaration on top level of scripts are broken - [`KT-64528`](https://youtrack.jetbrains.com/issue/KT-64528) K2 IDE: MPP: unregistered component 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter' - [`KT-64921`](https://youtrack.jetbrains.com/issue/KT-64921) K2 IDE: references in platform code resolve to expect classifier instead of actual - [`KT-61296`](https://youtrack.jetbrains.com/issue/KT-61296) K2: do not resolve the entire file on lazyResolve call if FirFile is passed - [`KT-65683`](https://youtrack.jetbrains.com/issue/KT-65683) Analysis API: Dangling file session creation causes a `computeIfAbsent` contract violation - [`KT-64884`](https://youtrack.jetbrains.com/issue/KT-64884) K2 IDE. FP \[NAMED_PARAMETER_NOT_FOUND] for copy method of library data class when class has not parameter-properties - [`KT-65763`](https://youtrack.jetbrains.com/issue/KT-65763) K2: value parameter from library data class copy have RAW_FIR phase - [`KT-65665`](https://youtrack.jetbrains.com/issue/KT-65665) Analysis API: support `KtDelegatedSuperTypeEntry` in `KtFirExpressionInfoProvider.isUsedAsExpression` - [`KT-62899`](https://youtrack.jetbrains.com/issue/KT-62899) K2 IDE. IDE ignores `@Suppress` annotation for errors - [`KT-65655`](https://youtrack.jetbrains.com/issue/KT-65655) Analysis API: `KtCodeCompilationException` should not strongly reference FIR sessions - [`KT-62302`](https://youtrack.jetbrains.com/issue/KT-62302) Support PsiType -> KtType conversion - [`KT-64604`](https://youtrack.jetbrains.com/issue/KT-64604) K2: IDE K2: "Modules are inconsistent during performance tests" - [`KT-65345`](https://youtrack.jetbrains.com/issue/KT-65345) K2: unify FirDesignation and LLFirResolveTarget - [`KT-61757`](https://youtrack.jetbrains.com/issue/KT-61757) K2 IDE: resolution to buitlins does not work for from common module - [`KT-65268`](https://youtrack.jetbrains.com/issue/KT-65268) K2: Checking the presence of the delegated constructor call forces AST loading - [`KT-63330`](https://youtrack.jetbrains.com/issue/KT-63330) Analysis API: Stub-based deserialized symbol providers provide unresolved enum entry annotation arguments - [`KT-65418`](https://youtrack.jetbrains.com/issue/KT-65418) Analysis API: `LLFirAbstractSessionFactory` loads anchor module sessions eagerly - [`KT-64718`](https://youtrack.jetbrains.com/issue/KT-64718) Analysis API: do not expose SealedClassInheritorsProvider and FirRegularClass to IDE Plugin - [`KT-65075`](https://youtrack.jetbrains.com/issue/KT-65075) K2: getContainingDeclaration() is broken for declarations inside code fragments - [`KT-61332`](https://youtrack.jetbrains.com/issue/KT-61332) Support `KtTypeCodeFragment` in `PsiRawFirBuilder` - [`KT-65150`](https://youtrack.jetbrains.com/issue/KT-65150) AA: incorrect result from `KtTypeProvider#getReceiverTypeForDoubleColonExpression` for Java static method - [`KT-56551`](https://youtrack.jetbrains.com/issue/KT-56551) LL FIR: implement parallel resolve for jumping phases - [`KT-65223`](https://youtrack.jetbrains.com/issue/KT-65223) Psi: avoid KtFile usages - [`KT-65307`](https://youtrack.jetbrains.com/issue/KT-65307) Analysis API FE10: support KtFe10AnalysisSessionProvider.getAnalysisSessionByUseSiteKtModule - [`KT-62695`](https://youtrack.jetbrains.com/issue/KT-62695) K2 IDE: Unresolved extension functions in KDoc - [`KT-65152`](https://youtrack.jetbrains.com/issue/KT-65152) Analysis API: KDoc references to packages are not fully resolved - [`KT-64988`](https://youtrack.jetbrains.com/issue/KT-64988) K2 IDE: Navigation from the named argument in safe call does not work - [`KT-63195`](https://youtrack.jetbrains.com/issue/KT-63195) AA: incorrect results from `KtTypeProvider#getReceiverTypeForDoubleColonExpression` - [`KT-64074`](https://youtrack.jetbrains.com/issue/KT-64074) K2: Investigate LL divergence for Script.testTopLevelPropertyInitialization - [`KT-62441`](https://youtrack.jetbrains.com/issue/KT-62441) K2: IDE K2: "No dangling modifier found" - [`KT-62895`](https://youtrack.jetbrains.com/issue/KT-62895) K2 IDE. FP `'when' expression must be exhaustive` with sealed interface from library - [`KT-64993`](https://youtrack.jetbrains.com/issue/KT-64993) Analysis API: KtExpressionTypeProvider.getExpectedType works incorrectly for arguments of safe calls - [`KT-64883`](https://youtrack.jetbrains.com/issue/KT-64883) Allow direct creation of KtCommonFile - [`KT-64646`](https://youtrack.jetbrains.com/issue/KT-64646) K2: properly forbid ast loading during raw fir phase in tests - [`KT-64862`](https://youtrack.jetbrains.com/issue/KT-64862) Psi: missed parenthesis in type reference presentation - [`KT-62893`](https://youtrack.jetbrains.com/issue/KT-62893) K2 IDE. FP 'when' expression must be exhaustive with Java sealed interface from library - [`KT-63795`](https://youtrack.jetbrains.com/issue/KT-63795) K2: `lazyResolveToPhase(BODY_RESOLVE)` cannot be called from a transformer with a phase BODY_RESOLVE from SealedClassInheritorsProviderIdeImpl - [`KT-64805`](https://youtrack.jetbrains.com/issue/KT-64805) Analysis API: introduce common entry point for multi-file test cases - [`KT-64714`](https://youtrack.jetbrains.com/issue/KT-64714) K2: Analysis API: CollectionsKt.map doesn't resolves from Java in kotlin repo - [`KT-64647`](https://youtrack.jetbrains.com/issue/KT-64647) K2: Allow to calculate decompiled inheritors for sealed classes in tests - [`KT-64595`](https://youtrack.jetbrains.com/issue/KT-64595) AA: stackoverflow while simplifying a type with a recursive type parameter - [`KT-64825`](https://youtrack.jetbrains.com/issue/KT-64825) Analysis API. Cannot compute containing PSI for unknown source kind 'org.jetbrains.kotlin.KtFakeSourceElementKind$DefaultAccessor' exception on getContainingSymbol call for default setter parameter - [`KT-64080`](https://youtrack.jetbrains.com/issue/KT-64080) K2: Analysis API: On-air resolve does not trigger resolution of delegated super call arguments - [`KT-64243`](https://youtrack.jetbrains.com/issue/KT-64243) K2: proper lazy resolution for fake overrides - [`KT-62891`](https://youtrack.jetbrains.com/issue/KT-62891) K2 IDE. FP \[EXPOSED_FUNCTION_RETURN_TYPE] on overriding library method which returns protected type - [`KT-62667`](https://youtrack.jetbrains.com/issue/KT-62667) K2: Cannot find enclosing declaration for KtNameReferenceExpression (on-air, imports) - [`KT-61890`](https://youtrack.jetbrains.com/issue/KT-61890) Analysis API: Migrate KtFirScopeProvider to ContextCollector instead of onAirResolve - [`KT-64197`](https://youtrack.jetbrains.com/issue/KT-64197) K2: Code fragments are only supported in JVM - [`KT-62357`](https://youtrack.jetbrains.com/issue/KT-62357) K2 IDE. False positive on generated component methods and false negative on getter of `@JvmRecord` classes in Java - [`KT-62892`](https://youtrack.jetbrains.com/issue/KT-62892) K2 IDE. Java outer class from other module is not resolved when nested class is accessed with fq name in a type position - [`KT-62888`](https://youtrack.jetbrains.com/issue/KT-62888) K2 IDE. IDE infers reference to `KMutableProperty` as reference to just `KProperty` - [`KT-64584`](https://youtrack.jetbrains.com/issue/KT-64584) K2: StubBasedFirDeserializedSymbolProvider: support deserialization of delegated declarations - [`KT-60324`](https://youtrack.jetbrains.com/issue/KT-60324) K2 IDE: "NoSuchElementException: List is empty at JavaOverrideChecker#buildErasure" - [`KT-62896`](https://youtrack.jetbrains.com/issue/KT-62896) K2 IDE. FP ABSTRACT_MEMBER_NOT_IMPLEMENTED on inheriting class from library which implements interface by delegation - [`KT-62947`](https://youtrack.jetbrains.com/issue/KT-62947) Analysis API: Error while resolving FirPropertyImpl - [`KT-64468`](https://youtrack.jetbrains.com/issue/KT-64468) Analysis API: Implement mixed multi-module tests which support different kinds of `KtModule`s - [`KT-56541`](https://youtrack.jetbrains.com/issue/KT-56541) Symbol Light Classes: No `@NotNull` annotations are generated for accessors of lateinit properties of unresolved types - [`KT-63547`](https://youtrack.jetbrains.com/issue/KT-63547) K2 IDE. False Positive AMBIGUOUS_ANNOTATION_ARGUMENT - [`KT-64205`](https://youtrack.jetbrains.com/issue/KT-64205) Analysis API: Do not import non-top-level callables by default - [`KT-63056`](https://youtrack.jetbrains.com/issue/KT-63056) K2: Cannot mutate an immutable ImplicitReceiverValue on FirCodeFragment analysis - [`KT-64108`](https://youtrack.jetbrains.com/issue/KT-64108) K2: KtFirSymbolDeclarationOverridesProvider shouldn't provide fake overrides - [`KT-63752`](https://youtrack.jetbrains.com/issue/KT-63752) K2: java.lang.StackOverflowError FirFieldSymbol.getHasInitializer - [`KT-63718`](https://youtrack.jetbrains.com/issue/KT-63718) Analysis API: Stub-based dependency symbol providers of library source sessions compute the wrong package name sets - [`KT-64225`](https://youtrack.jetbrains.com/issue/KT-64225) K2: IDE K2: "FirLazyBlock should be calculated before accessing" in evaluate debuger completion - [`KT-64186`](https://youtrack.jetbrains.com/issue/KT-64186) Analysis API: ContextCollector provides incorrect scopes for anonymous objects - [`KT-63979`](https://youtrack.jetbrains.com/issue/KT-63979) K2 IDE: presentation of types in completion is too verbose - [`KT-63681`](https://youtrack.jetbrains.com/issue/KT-63681) K2: LL FIR: Improve isResolved check coverage of after lazy resolution - [`KT-62982`](https://youtrack.jetbrains.com/issue/KT-62982) K2: Cannot get a PSI element for 'Enum.values' - [`KT-59732`](https://youtrack.jetbrains.com/issue/KT-59732) FirLazyResolveContractViolationException: `lazyResolveToPhase(IMPORTS)` cannot be called from a transformer with a phase IMPORTS from serialisation plugin - [`KT-62676`](https://youtrack.jetbrains.com/issue/KT-62676) K2 IDE: Reference shortener does not recoginize redundant this references - [`KT-63627`](https://youtrack.jetbrains.com/issue/KT-63627) K2 IDE: shorten reference shortens required qualifier - [`KT-62675`](https://youtrack.jetbrains.com/issue/KT-62675) K2 IDE: Reference shortener does not recoginize redundant labels - [`KT-60957`](https://youtrack.jetbrains.com/issue/KT-60957) K2: Analysis API: Reference shortener does not work correctly with invoke function calls on properties - [`KT-63771`](https://youtrack.jetbrains.com/issue/KT-63771) fe10: KtNamedClassOrObjectSymbol#isInline does not cover value classes - [`KT-60327`](https://youtrack.jetbrains.com/issue/KT-60327) K2 IDE. "IllegalArgumentException: source must not be null" during delegation declaration - [`KT-62421`](https://youtrack.jetbrains.com/issue/KT-62421) K2: IDE K2: "`lazyResolveToPhase(BODY_RESOLVE)` cannot be called from a transformer with a phase BODY_RESOLVE." - [`KT-62587`](https://youtrack.jetbrains.com/issue/KT-62587) K2 IDE. FP unresolved reference on accessing nested class in annotation argument - [`KT-63700`](https://youtrack.jetbrains.com/issue/KT-63700) K2: "FirLazyExpression should be calculated before accessing" in the case of secondary constructor - [`KT-61383`](https://youtrack.jetbrains.com/issue/KT-61383) K2: 'KtCompilerFacility' fails on code fragment compilation in library sources with duplicated dependencies - [`KT-62111`](https://youtrack.jetbrains.com/issue/KT-62111) K2 IDE. IllegalArgumentException on for loop with iterator declaration attempt - [`KT-63538`](https://youtrack.jetbrains.com/issue/KT-63538) Analysis API: Removing a contract statement via `PsiElement.delete()` does not trigger an out-of-block modification - [`KT-63694`](https://youtrack.jetbrains.com/issue/KT-63694) K1/K2 IDE. "RuntimeException: Broken stub format, most likely version of kotlin.FILE (kotlin.FILE) was not updated after serialization changes" exception on incorrect class name - [`KT-63660`](https://youtrack.jetbrains.com/issue/KT-63660) K2: expect-actual gutter icons must be shown when declarations are matched but incompatible - [`KT-63560`](https://youtrack.jetbrains.com/issue/KT-63560) Analysis API: Modifiable PSI tests cannot rely on the cached application environment to allow write access - [`KT-62980`](https://youtrack.jetbrains.com/issue/KT-62980) Implement `KtFirSimpleNameReference#getImportAlias` - [`KT-63130`](https://youtrack.jetbrains.com/issue/KT-63130) Analysis API: No receiver found for broken code during commit document - [`KT-62705`](https://youtrack.jetbrains.com/issue/KT-62705) K2: "lazyResolveToPhase(IMPORTS) cannot be called..." from light classes - [`KT-60170`](https://youtrack.jetbrains.com/issue/KT-60170) K2 IDE: CCE from KtFirCallResolver on invalid code with wrong implicit invoke - [`KT-61783`](https://youtrack.jetbrains.com/issue/KT-61783) K2: Analyze 'KtCodeFragment' in a separate session - [`KT-62010`](https://youtrack.jetbrains.com/issue/KT-62010) K2: IDE K2: "ConeClassLikeTypeImpl is not resolved to symbol for on-error type" - [`KT-62957`](https://youtrack.jetbrains.com/issue/KT-62957) Analysis API: NullPointerException on call resolution when builtins are not available - [`KT-61252`](https://youtrack.jetbrains.com/issue/KT-61252) K2: IDE K2: "By now the annotations argument mapping should have been resolved" - [`KT-62935`](https://youtrack.jetbrains.com/issue/KT-62935) Analysis API: `kotlin.Cloneable` should not be available in Kotlin/Native sources - [`KT-62910`](https://youtrack.jetbrains.com/issue/KT-62910) Analysis API: create AbstractFirPsiNativeDiagnosticsTest for LL FIR - [`KT-63096`](https://youtrack.jetbrains.com/issue/KT-63096) K2: Analysis API: KotlinAnnotationsResolver for IDE is created with incorrect scope - [`KT-62310`](https://youtrack.jetbrains.com/issue/KT-62310) K2 IDE. False positives errors with external annotations - [`KT-63282`](https://youtrack.jetbrains.com/issue/KT-63282) K2 Script: annotation arguments phase should resolve propagated annotations - [`KT-62397`](https://youtrack.jetbrains.com/issue/KT-62397) K2 IDE. FP Error in the editor on `RequiresOptIn` annotation from the lib despite the warning level - [`KT-63223`](https://youtrack.jetbrains.com/issue/KT-63223) Analysis API: reference to declarations with kotlin\* package are not resolved - [`KT-62626`](https://youtrack.jetbrains.com/issue/KT-62626) IllegalStateException: Cannot build symbol for class org.jetbrains.kotlin.psi.KtScriptInitializer - [`KT-62693`](https://youtrack.jetbrains.com/issue/KT-62693) K2: IDE K2: "PSI should present for declaration built by Kotlin code" - [`KT-62674`](https://youtrack.jetbrains.com/issue/KT-62674) K2: "Scope for type ConeClassLikeTypeImpl" is null from transitive dependencies - [`KT-61889`](https://youtrack.jetbrains.com/issue/KT-61889) Analysis API: Migrate KtFirReferenceShortener to ContextCollector instead of FirResolveContextCollector - [`KT-62772`](https://youtrack.jetbrains.com/issue/KT-62772) Analysis API: No 'org.jetbrains.kotlin.fir.java.FirSyntheticPropertiesStorage'(31) in array owner: LLFirSourcesSession when analysing builtins in a context of common code - [`KT-60319`](https://youtrack.jetbrains.com/issue/KT-60319) K2 IDE: "Stability for initialized variable always should be computable" - [`KT-62859`](https://youtrack.jetbrains.com/issue/KT-62859) K2 IDE: "Evaluate expression" throws exception when calling "Any?.toString()" - [`KT-63058`](https://youtrack.jetbrains.com/issue/KT-63058) K2 IDE: Code completion unexpectedly imports static/companion object method - [`KT-62588`](https://youtrack.jetbrains.com/issue/KT-62588) getExpectedType should not calculate type of the expression - [`KT-61990`](https://youtrack.jetbrains.com/issue/KT-61990) K2: Unexpected returnTypeRef for FirSyntheticProperty - [`KT-62625`](https://youtrack.jetbrains.com/issue/KT-62625) K2: 'FirLazyExpression should be calculated before accessing' for unresolved super type - [`KT-62691`](https://youtrack.jetbrains.com/issue/KT-62691) K2: optimize getFirForNonKtFileElement for references inside 'where' - [`KT-62834`](https://youtrack.jetbrains.com/issue/KT-62834) K2: missing file node level in control flow builder - [`KT-62768`](https://youtrack.jetbrains.com/issue/KT-62768) Analysis API: No 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter'(44) in array owner: LLFirSourcesSession exception on analysing common code - [`KT-62874`](https://youtrack.jetbrains.com/issue/KT-62874) K2: FirLazyExpression should be calculated before accessing - [`KT-62407`](https://youtrack.jetbrains.com/issue/KT-62407) Analysis API: resolve `[this]` in KDoc to extension receiver - [`KT-61204`](https://youtrack.jetbrains.com/issue/KT-61204) K2: "FirLazyExpression should be calculated before accessing in ktor HttpBinApplication" - [`KT-61901`](https://youtrack.jetbrains.com/issue/KT-61901) Analysis API: Declared member scopes for Java classes are missing static members - [`KT-61800`](https://youtrack.jetbrains.com/issue/KT-61800) Analysis API: Provide separate declared member scopes for non-static and static callables - [`KT-61255`](https://youtrack.jetbrains.com/issue/KT-61255) Analysis API: Get rid of `valueOf`, `values` and `entries` from a declared member scope - [`KT-62466`](https://youtrack.jetbrains.com/issue/KT-62466) Expected type for functional expression should include inferred types - [`KT-61203`](https://youtrack.jetbrains.com/issue/KT-61203) IDE K2: "Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirRegularClassImpl(Source) but FirArgumentListImpl found" - [`KT-61791`](https://youtrack.jetbrains.com/issue/KT-61791) Analysis API: Implement combined `getPackage` for combined Kotlin symbol providers - [`KT-62437`](https://youtrack.jetbrains.com/issue/KT-62437) K2 IDE. Resolution does not work inside lambda expression in constructor argument in supertypes - [`KT-62244`](https://youtrack.jetbrains.com/issue/KT-62244) K2: Analysis API Standalone: Resolving klib dependencies from binary roots terminates application - [`KT-62897`](https://youtrack.jetbrains.com/issue/KT-62897) K2 IDE. Unresolved declarations from libraries which are doubled in `intellij` project libraries - [`KT-61615`](https://youtrack.jetbrains.com/issue/KT-61615) K2: No 'org.jetbrains.kotlin.fir.analysis.js.checkers.FirJsModuleKind' in array owner: LLFirSourcesSession - [`KT-59334`](https://youtrack.jetbrains.com/issue/KT-59334) K2: LLFirImplicitTypesLazyResolver problems - [`KT-62038`](https://youtrack.jetbrains.com/issue/KT-62038) K2: Nested classes are missing in symbol light class structure tests for libraries - [`KT-61788`](https://youtrack.jetbrains.com/issue/KT-61788) Analysis API: Symbol for `FirAnonymousInitializer` cannot be null - [`KT-62139`](https://youtrack.jetbrains.com/issue/KT-62139) Analysis API: KtFe10AnalysisSession.createContextDependentCopy does not need validity check - [`KT-62090`](https://youtrack.jetbrains.com/issue/KT-62090) Analysis API: introduce an API to get a substitution formed by class inheritance - [`KT-62268`](https://youtrack.jetbrains.com/issue/KT-62268) K2 IDE. No autocompletion and IllegalStateException for Pair - [`KT-60325`](https://youtrack.jetbrains.com/issue/KT-60325) K2 IDE. "IllegalArgumentException: source must not be null" on `throw` usage attempt - [`KT-61431`](https://youtrack.jetbrains.com/issue/KT-61431) K2: KtPropertyAccessorSymbolPointer pointer already disposed for $$result script property - [`KT-58490`](https://youtrack.jetbrains.com/issue/KT-58490) K2: LLFirTypeLazyResolver problems - [`KT-58494`](https://youtrack.jetbrains.com/issue/KT-58494) K2: LLFirAnnotationArgumentsLazyResolver problems - [`KT-58492`](https://youtrack.jetbrains.com/issue/KT-58492) K2: LLFirBodyLazyResolver problems - [`KT-58769`](https://youtrack.jetbrains.com/issue/KT-58769) K2: LL FIR: implement platform-dependent session factories - [`KT-60343`](https://youtrack.jetbrains.com/issue/KT-60343) K2 IDE. IllegalArgumentException on passing incorrect type parameter to function - [`KT-61842`](https://youtrack.jetbrains.com/issue/KT-61842) K2: reduce number of "in-block modification" events - [`KT-62012`](https://youtrack.jetbrains.com/issue/KT-62012) K2: "KtReadActionConfinementLifetimeToken is inaccessible: Called outside analyse method" - [`KT-61371`](https://youtrack.jetbrains.com/issue/KT-61371) K2: Analysis API standalone: register compiler symbol provider for libraries in standalone mode - [`KT-60611`](https://youtrack.jetbrains.com/issue/KT-60611) K2: reduce number of "in-block modification" events - [`KT-61425`](https://youtrack.jetbrains.com/issue/KT-61425) Analysis API: Provide a way to get a declared member scope for an enum entry's initializing anonymous object - [`KT-61405`](https://youtrack.jetbrains.com/issue/KT-61405) Analysis API: An enum entry should not be a `KtSymbolWithMembers` - [`KT-55504`](https://youtrack.jetbrains.com/issue/KT-55504) AA: remove dependency on :compiler:cli from standalone AA - [`KT-60904`](https://youtrack.jetbrains.com/issue/KT-60904) K2: IDE K2: "For DESTRUCTURING_DECLARATION_ENTRY with text `_`, one of element types expected, but FirValueParameterSymbol found" - [`KT-61260`](https://youtrack.jetbrains.com/issue/KT-61260) K2 Scripts: Containing function should be not null for KtParameter - [`KT-61568`](https://youtrack.jetbrains.com/issue/KT-61568) FIR Analysis API: `collectCallCandidates` gives presence to the top level functions in the presence of more suitable overrides - [`KT-60610`](https://youtrack.jetbrains.com/issue/KT-60610) K2 IDE: move "out of block" processing logic into LL FIR - [`KT-61597`](https://youtrack.jetbrains.com/issue/KT-61597) Analysis API: KotlinIllegalStateExceptionWithAttachments: expected as maximum one `expect` for the actual on errorneous code with multiple expects - [`KT-59793`](https://youtrack.jetbrains.com/issue/KT-59793) K2: class org.jetbrains.kotlin.fir.declarations.impl.FirErrorImportImpl cannot be cast to class org.jetbrains.kotlin.fir.declarations.FirResolvedImport - [`KT-61599`](https://youtrack.jetbrains.com/issue/KT-61599) K2: ContextCollector: Support smart cast collection - [`KT-61689`](https://youtrack.jetbrains.com/issue/KT-61689) Analysis API: ContextCollector provides incorrect context in scripts - [`KT-61683`](https://youtrack.jetbrains.com/issue/KT-61683) Analysis API: resolve ambiguities in kotlin project - [`KT-61245`](https://youtrack.jetbrains.com/issue/KT-61245) Analysis API: ContextCollector provides incorrect context for supertype constructor calls - [`KT-60384`](https://youtrack.jetbrains.com/issue/KT-60384) K2: Opening `@JvmName` source in IDEA: NPE at PsiRawFirBuilder$Visitor.toFirConstructor() - [`KT-60918`](https://youtrack.jetbrains.com/issue/KT-60918) K2 IDE: "FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtDestructuringDeclarationEntry, fir is null" - [`KT-61013`](https://youtrack.jetbrains.com/issue/KT-61013) K2 Scripts: LLFirReturnTypeCalculatorWithJump: No designation of local declaration - [`KT-59517`](https://youtrack.jetbrains.com/issue/KT-59517) K2 IDE: KotlinExceptionWithAttachments: Modules are inconsistent - [`KT-61331`](https://youtrack.jetbrains.com/issue/KT-61331) K2: add cache restoring in case of existing context - [`KT-61408`](https://youtrack.jetbrains.com/issue/KT-61408) K2: IDE K2: "Inconsistency in the cache. Someone without context put a null value in the cache" ##### Analysis. Light Classes ##### Performance Improvements - [`KT-63486`](https://youtrack.jetbrains.com/issue/KT-63486) SLC: a lot of RAM is allocated in `org.jetbrains.kotlin.asJava.LightClassUtil.isMangled` ##### Fixes - [`KT-66692`](https://youtrack.jetbrains.com/issue/KT-66692) SLC: `findAttributeValue` for attribute w/ default value in Java returns `null` - [`KT-61734`](https://youtrack.jetbrains.com/issue/KT-61734) SLC: wildcard suppression not honored - [`KT-65112`](https://youtrack.jetbrains.com/issue/KT-65112) Symbol Light Classes don't support annotations on type parameters - [`KT-65843`](https://youtrack.jetbrains.com/issue/KT-65843) K2: Light method returns `kotlin.Unit` type for `TestResult` return type - [`KT-65653`](https://youtrack.jetbrains.com/issue/KT-65653) SLC: wrong binary resolution to function with value class - [`KT-65393`](https://youtrack.jetbrains.com/issue/KT-65393) SLC: missing deprecated-hidden property - [`KT-64772`](https://youtrack.jetbrains.com/issue/KT-64772) SLC: presence of source PSI for compiler-generated declaration - [`KT-65425`](https://youtrack.jetbrains.com/issue/KT-65425) K2 IDE: Seeing a reference to the class generated by compiler plugin exposed from Java code caused NPE from light classes - [`KT-64937`](https://youtrack.jetbrains.com/issue/KT-64937) SLC: internal setters are not mangled - [`KT-63949`](https://youtrack.jetbrains.com/issue/KT-63949) K2 IDE. Analyze hang on `@Autowired` constructor analysis - [`KT-63087`](https://youtrack.jetbrains.com/issue/KT-63087) K2 IDE: in .java source reference to JvmName names on unsigned type / value class are unresolved - [`KT-64605`](https://youtrack.jetbrains.com/issue/KT-64605) K2 IDE: usage of `@Repeatable` annotation in Java: false positive "Duplicate annotation" - [`KT-64795`](https://youtrack.jetbrains.com/issue/KT-64795) SLC: distinguish last v.s. non-last `vararg` value parameter type during binary resolution - [`KT-61605`](https://youtrack.jetbrains.com/issue/KT-61605) K2 IDE: Light elements do not obey platform contracts - [`KT-57536`](https://youtrack.jetbrains.com/issue/KT-57536) SLC: no need to populate members with `expect` modifier - [`KT-64320`](https://youtrack.jetbrains.com/issue/KT-64320) Decouple kotlin psi from java PSI - [`KT-64282`](https://youtrack.jetbrains.com/issue/KT-64282) Decouple KotlinIconProviderService from java PSI - [`KT-63552`](https://youtrack.jetbrains.com/issue/KT-63552) Symbol Light Classes don't support arrayOf and similar without parameters in property initializers and default parameter values ##### Apple Ecosystem - [`KT-63821`](https://youtrack.jetbrains.com/issue/KT-63821) Copy framework to BUILT_PRODUCTS_DIR in the embedAndSign task - [`KT-67892`](https://youtrack.jetbrains.com/issue/KT-67892) KotlinNativeLink task instantiates with a fixed list of apiFiles - [`KT-64096`](https://youtrack.jetbrains.com/issue/KT-64096) Diagnostic when embedAndSign used for framework with cocoapods-dependencies - [`KT-66446`](https://youtrack.jetbrains.com/issue/KT-66446) Diagnostic never showed, and build fails when CocoaPods dependency is used with embedAndSign task and linking type is dynamic - [`KT-66445`](https://youtrack.jetbrains.com/issue/KT-66445) Diagnostic never showed when CocoaPods dependency is used with embedAndSign task and linking type is static - [`KT-62373`](https://youtrack.jetbrains.com/issue/KT-62373) "Xcode higher than tested" diagnostic - [`KT-63212`](https://youtrack.jetbrains.com/issue/KT-63212) podInstall task fails without a proper diagnostic when xcodeproj gem is outdated ##### Backend. Native. Debug - [`KT-65553`](https://youtrack.jetbrains.com/issue/KT-65553) K2: Native: kt42208WithPassingLambdaToAnotherFunction test fails with K2 - [`KT-57365`](https://youtrack.jetbrains.com/issue/KT-57365) \[Native] Incorrect debug info on inline function call site ##### Backend. Wasm ##### New Features - [`KT-65009`](https://youtrack.jetbrains.com/issue/KT-65009) Generate TypeScript definitions for the `@JsExport` declarations in K/Wasm - [`KT-58088`](https://youtrack.jetbrains.com/issue/KT-58088) \[PL] Support & enable partial linkage for Wasm - [`KT-66327`](https://youtrack.jetbrains.com/issue/KT-66327) Include information about particular Wasm target into KLib manifest ##### Fixes - [`KT-66465`](https://youtrack.jetbrains.com/issue/KT-66465) WASM support doesn't appear to be able to see some common declarations - [`KT-66905`](https://youtrack.jetbrains.com/issue/KT-66905) K/Wasm: support new version of exception handling proposal - [`KT-66515`](https://youtrack.jetbrains.com/issue/KT-66515) Wasm: "call param types must match" during the build - [`KT-67435`](https://youtrack.jetbrains.com/issue/KT-67435) K/Wasm: import.meta.url transforming into absolute local path in webpack - [`KT-65777`](https://youtrack.jetbrains.com/issue/KT-65777) Implement named export for Kotlin/Wasm - [`KT-65660`](https://youtrack.jetbrains.com/issue/KT-65660) \[WasmJs] Support catching JS exceptions - [`KT-65824`](https://youtrack.jetbrains.com/issue/KT-65824) Wasm: Allow unsigned primitives to be used inside functions annotated with `@JsExport` - [`KT-66103`](https://youtrack.jetbrains.com/issue/KT-66103) Wasm: companion object is not initialized in test initializers1.kt - [`KT-66471`](https://youtrack.jetbrains.com/issue/KT-66471) Null method reference with Kotlin/Wasm on 2.0.0-Beta4 - [`KT-65210`](https://youtrack.jetbrains.com/issue/KT-65210) K/Wasm `::class` operator produces Number KClass for Short expression - [`KT-66065`](https://youtrack.jetbrains.com/issue/KT-66065) \[Wasm] Make specialisations for closured primitive values - [`KT-64890`](https://youtrack.jetbrains.com/issue/KT-64890) K/Wasm compiler crash with external class and Kodein - [`KT-66104`](https://youtrack.jetbrains.com/issue/KT-66104) Wasm: compiler crash: NoSuchElementException: Sequence contains no element matching the predicate - [`KT-65778`](https://youtrack.jetbrains.com/issue/KT-65778) Create the same TypeScript tests infrastructure for Kotlin/Wasm that we have now for Kotlin/JS - [`KT-65411`](https://youtrack.jetbrains.com/issue/KT-65411) Kotlin/Wasm: Boolean boxed instances are not the same - [`KT-65713`](https://youtrack.jetbrains.com/issue/KT-65713) Kotlin/Wasm generates a wrapper that cannot run in Deno - [`KT-63939`](https://youtrack.jetbrains.com/issue/KT-63939) Kotlin/Wasm Support lazy associated object initialisation - [`KT-61888`](https://youtrack.jetbrains.com/issue/KT-61888) \[Kotlin/wasm] in kotlin.test support for `@AfterTest` for async tests - [`KT-64803`](https://youtrack.jetbrains.com/issue/KT-64803) K/Wasm: non-capturing lambdas are not singleton unlike same lambdas in jvm - [`KT-64449`](https://youtrack.jetbrains.com/issue/KT-64449) K2: Implement K1WasmWasiCodegenBoxTestGenerated for K2 - [`KT-64829`](https://youtrack.jetbrains.com/issue/KT-64829) K/Wasm: division remainder has a wrong sign - [`KT-58852`](https://youtrack.jetbrains.com/issue/KT-58852) WASM: two methods with different varargs: Class korlibs.template.dynamic.DynamicShape has 2 methods with the same signature \[register(kotlin.Array<T of kotlin.Array>) - [`KT-61263`](https://youtrack.jetbrains.com/issue/KT-61263) K/Wasm: add a way to turn on k2 in wasm examples using Compose - [`KT-62863`](https://youtrack.jetbrains.com/issue/KT-62863) Execution failed for task ':kotlinx-serialization-properties:wasmJsD8Test' in serialization in the K2 QG - [`KT-62657`](https://youtrack.jetbrains.com/issue/KT-62657) K/Wasm: switch to json repots for Kotlin Wasm Benchmarks - [`KT-62147`](https://youtrack.jetbrains.com/issue/KT-62147) \[Kotlin/Wasm] Nothing typed when expression cause a backend error - [`KT-61958`](https://youtrack.jetbrains.com/issue/KT-61958) Update SpiderMonkey and return its usage in box tests when they switch to the final opcodes for GC and FTR proposals - [`KT-60828`](https://youtrack.jetbrains.com/issue/KT-60828) K/Wasm: return br_on_cast_fail usages - [`KT-59084`](https://youtrack.jetbrains.com/issue/KT-59084) WASM: "RuntimeError: illegal cast" caused by inline class and JsAny - [`KT-60700`](https://youtrack.jetbrains.com/issue/KT-60700) \[WASM] test FirWasmCodegenBoxTestGenerated.testSuspendUnitConversion failed after KT-60259 ##### Compiler ##### New Features - [`KT-45375`](https://youtrack.jetbrains.com/issue/KT-45375) Generate all Kotlin lambdas via invokedynamic + LambdaMetafactory by default - [`KT-24664`](https://youtrack.jetbrains.com/issue/KT-24664) No smartcast on stable property if receiver had non-null assertion - [`KT-23915`](https://youtrack.jetbrains.com/issue/KT-23915) Add smart cast to non-nullable type after elvis operator - [`KT-61077`](https://youtrack.jetbrains.com/issue/KT-61077) Support provideDelegate inference from var property type - [`KT-59688`](https://youtrack.jetbrains.com/issue/KT-59688) K2: consider removing smartcasts only from the only visibile property with specific name, not from all of them - [`KT-7389`](https://youtrack.jetbrains.com/issue/KT-7389) Intersection type for type parameter with multiple upper bounds in star projection - [`KT-63477`](https://youtrack.jetbrains.com/issue/KT-63477) Consider supporting builder-style type inference from Unit coercion of last statements in lambdas - [`KT-61907`](https://youtrack.jetbrains.com/issue/KT-61907) K2: builder inference works with assignments to member properties - [`KT-61909`](https://youtrack.jetbrains.com/issue/KT-61909) K2: builder inference infers correct types from assignments to extension properties - [`KT-59551`](https://youtrack.jetbrains.com/issue/KT-59551) K2: builder inference works with anonymous functions if builder parameter has a receiver with a postponed type variable - [`KT-65443`](https://youtrack.jetbrains.com/issue/KT-65443) \[K/N] Implement header caches - [`KT-4113`](https://youtrack.jetbrains.com/issue/KT-4113) Smart casts for properties to not-null functional types at `invoke` calls - [`KT-65681`](https://youtrack.jetbrains.com/issue/KT-65681) K2: Improve error message of UPPER_BOUND_VIOLATED when upper bound is a captured type or other non-denotable type - [`KT-32754`](https://youtrack.jetbrains.com/issue/KT-32754) Choose existing extensions over additional built-ins members from JDK except overrides - [`KT-57800`](https://youtrack.jetbrains.com/issue/KT-57800) Support synthetic properties on `super` receiver - [`KT-64350`](https://youtrack.jetbrains.com/issue/KT-64350) K2: deprecate using typealias as a callable qualifier in imports - [`KT-26565`](https://youtrack.jetbrains.com/issue/KT-26565) Choose existing extensions over additional built-ins members from JDK - [`KT-65478`](https://youtrack.jetbrains.com/issue/KT-65478) JVM: Change inlined variable naming format - [`KT-64702`](https://youtrack.jetbrains.com/issue/KT-64702) Upper bound of type parameter is ignored when capturing of in-projection appears in out position - [`KT-60274`](https://youtrack.jetbrains.com/issue/KT-60274) K2: builder inference works through a delegated local variable inside builder argument - [`KT-65859`](https://youtrack.jetbrains.com/issue/KT-65859) Calls refinement extension point - [`KT-15220`](https://youtrack.jetbrains.com/issue/KT-15220) Reuse resolution results of common code for platform modules in multiplatform projects - [`KT-60476`](https://youtrack.jetbrains.com/issue/KT-60476) K2: False positive NO_VALUE_FOR_PARAMETER in platform code for value class with default parameter in common declaration - [`KT-65153`](https://youtrack.jetbrains.com/issue/KT-65153) K/N: extract liveness analysis to a separate phase - [`KT-59098`](https://youtrack.jetbrains.com/issue/KT-59098) Support -Xjdk-release=1.6/1.7 with -jvm-target 1.8 - [`KT-63670`](https://youtrack.jetbrains.com/issue/KT-63670) Implement platform specific declaration clash diagnostics across all backends - [`KT-62547`](https://youtrack.jetbrains.com/issue/KT-62547) Introduce a language feature flag for smartcasts based on "memory" variables - [`KT-60820`](https://youtrack.jetbrains.com/issue/KT-60820) K1: Empty vararg value is inserted in serialized annotation call with expect default vararg value - [`KT-58172`](https://youtrack.jetbrains.com/issue/KT-58172) Forbid `expect class A actual constructor` - [`KT-54443`](https://youtrack.jetbrains.com/issue/KT-54443) Smart cast to non-null after safe-call in require - [`KT-25747`](https://youtrack.jetbrains.com/issue/KT-25747) DFA variables: propagate smart cast results from local variables - [`KT-22997`](https://youtrack.jetbrains.com/issue/KT-22997) Smart-cast should merge is-check for non-nullable type and a null check to a nullable type - [`KT-22996`](https://youtrack.jetbrains.com/issue/KT-22996) Smart casts should observe nullability after is-check with a nullable subject type - [`KT-22004`](https://youtrack.jetbrains.com/issue/KT-22004) Allow to resolve CONFLICTING_OVERLOADS with Deprecated(HIDDEN) - [`KT-61955`](https://youtrack.jetbrains.com/issue/KT-61955) Support more wider actual member visibility, if the expect member is effectively final - [`KT-59504`](https://youtrack.jetbrains.com/issue/KT-59504) K2 compiler does not require resolved 'componentX' functions for the placeholder ('\_') variables in the destructuring declarations - [`KT-62239`](https://youtrack.jetbrains.com/issue/KT-62239) Allow enum entries without parentheses uniformly - [`KT-11712`](https://youtrack.jetbrains.com/issue/KT-11712) Smart cast is not applied for invisible setter ##### Performance Improvements - [`KT-47545`](https://youtrack.jetbrains.com/issue/KT-47545) NI: Slow type inference involving large when-expression (ConstraintInjector.processConstraints) - [`KT-62714`](https://youtrack.jetbrains.com/issue/KT-62714) Do not add nullability annotations to the methods of inner classes in enum entries - [`KT-62903`](https://youtrack.jetbrains.com/issue/KT-62903) Unoptimzied `when` compilation - [`KT-67388`](https://youtrack.jetbrains.com/issue/KT-67388) FP intellij: performance degradation in build 611 - [`KT-67507`](https://youtrack.jetbrains.com/issue/KT-67507) K2: Slow compilation times when a class has a lot of possibly conflicting declarations - [`KT-65005`](https://youtrack.jetbrains.com/issue/KT-65005) K2: Investigate testCommonSuperTypeContravariant performance - [`KT-65996`](https://youtrack.jetbrains.com/issue/KT-65996) Compiler enters endless loop - [`KT-66341`](https://youtrack.jetbrains.com/issue/KT-66341) K2: Don't build IdSignatures in FIR2IR with IR f/o builder - [`KT-66172`](https://youtrack.jetbrains.com/issue/KT-66172) K2: Improve memory consumption of `KtPsiSourceElement` - [`KT-50860`](https://youtrack.jetbrains.com/issue/KT-50860) Combination of array set convention and plusAssign works exponentially - [`KT-62798`](https://youtrack.jetbrains.com/issue/KT-62798) 'in' range checks are not intrinsified in kotlin-stdlib - [`KT-65579`](https://youtrack.jetbrains.com/issue/KT-65579) K2: performance regression in FP Space - [`KT-61635`](https://youtrack.jetbrains.com/issue/KT-61635) K2: `getConstructorKeyword` call in `PsiRawFirBuilder.toFirConstructor` forces AST load - [`KT-62619`](https://youtrack.jetbrains.com/issue/KT-62619) FIR: Checker performance regression due to MISSING_DEPENDENCY checkers - [`KT-62044`](https://youtrack.jetbrains.com/issue/KT-62044) Do not add nullability annotations to the methods of anonymous class - [`KT-62706`](https://youtrack.jetbrains.com/issue/KT-62706) Optimize KtSourceElement.findChild() - [`KT-62513`](https://youtrack.jetbrains.com/issue/KT-62513) Do not add nullability annotations to the methods of local classes - [`KT-61991`](https://youtrack.jetbrains.com/issue/KT-61991) K2: avoid redundant full body resolution for properties during implicit type phase - [`KT-61604`](https://youtrack.jetbrains.com/issue/KT-61604) \[K/N] Bitcode dependency linking is slow for large compilations - [`KT-61121`](https://youtrack.jetbrains.com/issue/KT-61121) \[K/N] Kotlin Native compiler performance is slow when generating large frameworks - [`KT-57616`](https://youtrack.jetbrains.com/issue/KT-57616) K2: Consider optimizing reversed versions of persistent lists in FirTowerDataContext ##### Fixes - [`KT-67993`](https://youtrack.jetbrains.com/issue/KT-67993) K2: PCLA Inference throws exception with local objects - [`KT-61768`](https://youtrack.jetbrains.com/issue/KT-61768) Wrong bytecode index in LineNumberTable when there is an incremental operation - [`KT-63580`](https://youtrack.jetbrains.com/issue/KT-63580) "AssertionError: access of const val: GET_FIELD" caused by const value and variable with delegation - [`KT-63567`](https://youtrack.jetbrains.com/issue/KT-63567) "NoSuchMethodError" on getting value of lazily initialized property by companion's const value - [`KT-56078`](https://youtrack.jetbrains.com/issue/KT-56078) K2: build kotlinx.coroutines - [`KT-67609`](https://youtrack.jetbrains.com/issue/KT-67609) K2: False negative INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR - [`KT-57750`](https://youtrack.jetbrains.com/issue/KT-57750) Report ambiguity error when resolving types and having the same-named classes star imported - [`KT-65603`](https://youtrack.jetbrains.com/issue/KT-65603) K2: No approximation is done on public, but effectively private property - [`KT-59932`](https://youtrack.jetbrains.com/issue/KT-59932) K2: Disappeared AMBIGUOUS_ANONYMOUS_TYPE_INFERRED - [`KT-59906`](https://youtrack.jetbrains.com/issue/KT-59906) K2: Disappeared CAPTURED_VAL_INITIALIZATION - [`KT-53886`](https://youtrack.jetbrains.com/issue/KT-53886) NoSuchMethodError exception in Kotlin/Native compiler - [`KT-57678`](https://youtrack.jetbrains.com/issue/KT-57678) K2: Inconsistency in how K2 analyzes unresolved code for loops and changing closures - [`KT-57871`](https://youtrack.jetbrains.com/issue/KT-57871) K1/K2 inconsistency on if-conditional without else-branch in parenthesis - [`KT-56384`](https://youtrack.jetbrains.com/issue/KT-56384) K2: build IntelliJ monorepo master branch - [`KT-49191`](https://youtrack.jetbrains.com/issue/KT-49191) Leaked integer literals from lambda with flexible return type - [`KT-65812`](https://youtrack.jetbrains.com/issue/KT-65812) K2: "OutOfMemoryError: Java heap space" in kotlin.utils.SmartList.add - [`KT-67224`](https://youtrack.jetbrains.com/issue/KT-67224) K2/Native: Member overrides different '`@Throws`' filter from separate module - [`KT-65623`](https://youtrack.jetbrains.com/issue/KT-65623) K2: Unresolved reference in connection with casts - [`KT-64136`](https://youtrack.jetbrains.com/issue/KT-64136) K2: NSME with Anvil compiler plugin - [`KT-51241`](https://youtrack.jetbrains.com/issue/KT-51241) Provide a error when override method has different set of context receivers - [`KT-52920`](https://youtrack.jetbrains.com/issue/KT-52920) Confusing "Multiple arguments applicable for context receiver" error message - [`KT-67912`](https://youtrack.jetbrains.com/issue/KT-67912) K2: Cannot inference type properly from inline function with Type parameter - [`KT-68056`](https://youtrack.jetbrains.com/issue/KT-68056) Prohibit referencing java field in case of conflict with property from companion object of the derived class - [`KT-61129`](https://youtrack.jetbrains.com/issue/KT-61129) K2: Implement error suppression warning - [`KT-67367`](https://youtrack.jetbrains.com/issue/KT-67367) K2: Incorrect resolution to top-level function with less specific signature in presence of SAM constructor on the same tower level - [`KT-50179`](https://youtrack.jetbrains.com/issue/KT-50179) Fix DUPLICATE_LABEL_IN_WHEN warning with new rules of complex boolean constants - [`KT-45334`](https://youtrack.jetbrains.com/issue/KT-45334) Prohibit referencing constructors of sealed classes by its inner members - [`KT-59943`](https://youtrack.jetbrains.com/issue/KT-59943) K2: Disappeared OPERATOR_MODIFIER_REQUIRED - [`KT-67875`](https://youtrack.jetbrains.com/issue/KT-67875) K2: Resolution ambiguity between Iterable and varargs - [`KT-67699`](https://youtrack.jetbrains.com/issue/KT-67699) Not enough information to infer type argument for 'Error' using Arrow's Raise context receiver since Kotlin 2.0.0-Beta3 - [`KT-67486`](https://youtrack.jetbrains.com/issue/KT-67486) K2: Calling method from a Java (implementing a Kotlin class) with named parameters is no longer possible if Java method has different parameter names - [`KT-66527`](https://youtrack.jetbrains.com/issue/KT-66527) K2: type mismatch on override for <anonymous> type - [`KT-59897`](https://youtrack.jetbrains.com/issue/KT-59897) K2: Disappeared PACKAGE_OR_CLASSIFIER_REDECLARATION - [`KT-50020`](https://youtrack.jetbrains.com/issue/KT-50020) K2: False-negative USAGE_IS_NOT_INLINEABLE when lambda in receiver position - [`KT-44557`](https://youtrack.jetbrains.com/issue/KT-44557) Implement main function detection to FIR - [`KT-67810`](https://youtrack.jetbrains.com/issue/KT-67810) K2: public-API inline function cannot access non-public-API annotation enum - [`KT-66447`](https://youtrack.jetbrains.com/issue/KT-66447) Implement KT-59138 under a language feature - [`KT-54862`](https://youtrack.jetbrains.com/issue/KT-54862) Anonymous type can be exposed from private inline function from type argument - [`KT-37592`](https://youtrack.jetbrains.com/issue/KT-37592) Property invoke of a functional type with receiver is preferred over extension function invoke - [`KT-51194`](https://youtrack.jetbrains.com/issue/KT-51194) False negative CONFLICTING_INHERITED_MEMBERS when dependency class contained in two different versions of the same dependency - [`KT-67221`](https://youtrack.jetbrains.com/issue/KT-67221) K2: "new inference error \[NewConstraintError at Incorporate TypeVariable" for captured type - [`KT-66701`](https://youtrack.jetbrains.com/issue/KT-66701) K2: Java interface method override via Kotlin class rejected - [`KT-60604`](https://youtrack.jetbrains.com/issue/KT-60604) K2: introduced NON_PUBLIC_CALL_FROM_PUBLIC_INLINE, `@PublishedApi` needed for constants in annotations - [`KT-64309`](https://youtrack.jetbrains.com/issue/KT-64309) Generate a variable mapping for continuation parameter in suspend methods just from the start - [`KT-65438`](https://youtrack.jetbrains.com/issue/KT-65438) K2: Introduce WEAKLY_HIDDEN concept to built-in-JDK content mapping - [`KT-65235`](https://youtrack.jetbrains.com/issue/KT-65235) JDK 21 might lead to change in overloads resolution - [`KT-66768`](https://youtrack.jetbrains.com/issue/KT-66768) K1: False positive UNRESOLVED_REFERENCE in super.getFirst/getLast call - [`KT-67106`](https://youtrack.jetbrains.com/issue/KT-67106) Platforms libs-dependant autotests for ObjC checkers - [`KT-65440`](https://youtrack.jetbrains.com/issue/KT-65440) K2: Mark all potential implementations of List.getFirst()/getLast() as deprecated independently of JDK - [`KT-65594`](https://youtrack.jetbrains.com/issue/KT-65594) K2: Type inference fails on NullMarked object with star type - [`KT-62849`](https://youtrack.jetbrains.com/issue/KT-62849) Unoptimised bytecode for Java synthetic property references - [`KT-60174`](https://youtrack.jetbrains.com/issue/KT-60174) JVM IR inline: accidental reification in various cases - [`KT-57609`](https://youtrack.jetbrains.com/issue/KT-57609) K2: Stop relying on the presence of `@UnsafeVariance` using for contravariant parameters - [`KT-54316`](https://youtrack.jetbrains.com/issue/KT-54316) Out-of-call reference to companion object's member has invalid signature - [`KT-66976`](https://youtrack.jetbrains.com/issue/KT-66976) Some value class diagnostics are missed - [`KT-57426`](https://youtrack.jetbrains.com/issue/KT-57426) Incorrect error message on inapplicable smartcast from alien property - [`KT-55111`](https://youtrack.jetbrains.com/issue/KT-55111) OptIn: forbid constructor calls with default arguments under marker - [`KT-49856`](https://youtrack.jetbrains.com/issue/KT-49856) Incorrect smartcast on var assigned in try-catch block - [`KT-41237`](https://youtrack.jetbrains.com/issue/KT-41237) ReturnsImplies contract for receiver of member function does not work (no smartcast) - [`KT-37878`](https://youtrack.jetbrains.com/issue/KT-37878) No Smart cast for class literal reference of nullable generic type - [`KT-35846`](https://youtrack.jetbrains.com/issue/KT-35846) Smart cast with unchecked cast leads to unresolved call that was resolved before (both old and new inference) - [`KT-30867`](https://youtrack.jetbrains.com/issue/KT-30867) Unsound smartcast if smartcast source and break is placed in for-in header as function arguments - [`KT-30267`](https://youtrack.jetbrains.com/issue/KT-30267) Inconsistent smart casts in while (true) - [`KT-33917`](https://youtrack.jetbrains.com/issue/KT-33917) Prohibit to expose anonymous types from private inline functions - [`KT-28889`](https://youtrack.jetbrains.com/issue/KT-28889) Smart cast does not work with boolean `and` infix function - [`KT-54790`](https://youtrack.jetbrains.com/issue/KT-54790) False positive NO_ELSE_IN_WHEN when all interfaces are sealed - [`KT-54920`](https://youtrack.jetbrains.com/issue/KT-54920) K2: `when` with a single branch stops being exhaustive the second time it's done - [`KT-53364`](https://youtrack.jetbrains.com/issue/KT-53364) False positive UNUSED_VARIABLE warning for variable that is used across multiple blocks - [`KT-43234`](https://youtrack.jetbrains.com/issue/KT-43234) False positive INVALID_IF_AS_EXPRESSION caused by `if` without `else` inside `else` inside synchronized() - [`KT-38490`](https://youtrack.jetbrains.com/issue/KT-38490) False negative INVALID_IF_AS_EXPRESSION with unreachable code and coercion to Unit - [`KT-35510`](https://youtrack.jetbrains.com/issue/KT-35510) No INVALID_IF_AS_EXPRESSION ("'if' must have both main and 'else' branches if used as an expression") diagnostic for if-expression with only one branch and Nothing type condition - [`KT-34016`](https://youtrack.jetbrains.com/issue/KT-34016) Contracts - variable cannot be initialized before declaration - [`KT-56408`](https://youtrack.jetbrains.com/issue/KT-56408) Inconsistent rules of CFA in class initialization block between K1 and K2 - [`KT-33829`](https://youtrack.jetbrains.com/issue/KT-33829) False positive SENSELESS_COMPARISON with assignment in catch block - [`KT-30717`](https://youtrack.jetbrains.com/issue/KT-30717) False positive UNUSED_VARIABLE with local var used in inline lambda block with loop, return and other lambda - [`KT-28232`](https://youtrack.jetbrains.com/issue/KT-28232) RETURN_NOT_ALLOWED in inline lambda argument of '\[... ]' operator convention - [`KT-26116`](https://youtrack.jetbrains.com/issue/KT-26116) No error when class member val is referenced in inline function before it is assigned later on - [`KT-25311`](https://youtrack.jetbrains.com/issue/KT-25311) Calls on error type values lead to false-positive unreachable code - [`KT-24372`](https://youtrack.jetbrains.com/issue/KT-24372) Misleading warning on unused setter parameter in some cases - [`KT-23680`](https://youtrack.jetbrains.com/issue/KT-23680) False positive UNREACHABLE_CODE on `throw` with a `return` inside `finally` clause - [`KT-23502`](https://youtrack.jetbrains.com/issue/KT-23502) When exhaustiveness is not checked for unreachable code, resulting in JVM back-end error - [`KT-22621`](https://youtrack.jetbrains.com/issue/KT-22621) "throw throw Exception()": False negative UNREACHABLE_CODE warning - [`KT-22317`](https://youtrack.jetbrains.com/issue/KT-22317) No INITIALIZATION_BEFORE_DECLARATION without primary constructor - [`KT-67307`](https://youtrack.jetbrains.com/issue/KT-67307) K2: "Cannot find cached type parameter by FIR symbol" in JpaRepository.saveAll - [`KT-67185`](https://youtrack.jetbrains.com/issue/KT-67185) K2: Incorrect coercion-to-Unit leading to CCE at runtime - [`KT-64891`](https://youtrack.jetbrains.com/issue/KT-64891) K2: consider supporting/forbidding foo.(bar)() syntax - [`KT-59480`](https://youtrack.jetbrains.com/issue/KT-59480) K2: build moko-resources - [`KT-65771`](https://youtrack.jetbrains.com/issue/KT-65771) K2: "IndexOutOfBoundsException: Cannot pop operand off an empty stack" when calling method imported using typealias as callable qualifier - [`KT-67502`](https://youtrack.jetbrains.com/issue/KT-67502) K2: "property must be initialized or be abstract" with try-finally in secondary constructor - [`KT-67456`](https://youtrack.jetbrains.com/issue/KT-67456) K2: "property must be initialized or be abstract" depending on constructor declaration order - [`KT-63524`](https://youtrack.jetbrains.com/issue/KT-63524) K2: "Not enough information to infer type argument" - [`KT-67628`](https://youtrack.jetbrains.com/issue/KT-67628) K2: "IllegalArgumentException: Expected nullable type" — alias of nullable type analyzed as non-nullable in type parameter - [`KT-67625`](https://youtrack.jetbrains.com/issue/KT-67625) K2: Array aliases can't be used as vararg values - [`KT-67624`](https://youtrack.jetbrains.com/issue/KT-67624) K2: False negative "The feature "break continue in inline lambdas" is experimental and should be enabled explicitly" in elvis operator - [`KT-61787`](https://youtrack.jetbrains.com/issue/KT-61787) K2 doesn't report warnings for some Gradle tasks - [`KT-62550`](https://youtrack.jetbrains.com/issue/KT-62550) K2: Different JVM signature of lambda with `Unit` return type - [`KT-65120`](https://youtrack.jetbrains.com/issue/KT-65120) K2 Consider turn into platform checkers ones which checks for objC - [`KT-60271`](https://youtrack.jetbrains.com/issue/KT-60271) K2: origins are not set on compare operators - [`KT-28695`](https://youtrack.jetbrains.com/issue/KT-28695) Compiler does not detect uninitialized property in lambda - [`KT-67593`](https://youtrack.jetbrains.com/issue/KT-67593) K2: false negative SUPER_CALL_WITH_DEFAULT_PARAMETERS - [`KT-67484`](https://youtrack.jetbrains.com/issue/KT-67484) K2: FIR2IR generates incorrect access to f/o of lateinit internal var - [`KT-47382`](https://youtrack.jetbrains.com/issue/KT-47382) JVM / IR: "AssertionError: Unbound private symbol IrFieldSymbolImpl" caused by string template in constructor and extension property - [`KT-67581`](https://youtrack.jetbrains.com/issue/KT-67581) K2: Compiler fails on actualizing abstract class with sealed Java class via type alias - [`KT-49404`](https://youtrack.jetbrains.com/issue/KT-49404) Fix type unsoundness for contravariant captured type based on Java class - [`KT-22379`](https://youtrack.jetbrains.com/issue/KT-22379) Condition of while-loop with break can produce unsound smartcast - [`KT-67021`](https://youtrack.jetbrains.com/issue/KT-67021) K2: Cannot find cached type parameter by FIR symbol: E of the owner: FirRegularClassSymbol Function - [`KT-67014`](https://youtrack.jetbrains.com/issue/KT-67014) K1/K2 handle when expression as annotation target differently - [`KT-67254`](https://youtrack.jetbrains.com/issue/KT-67254) K1/K2 both allow annotations on loops, assignments, array sets - [`KT-66960`](https://youtrack.jetbrains.com/issue/KT-66960) K2. KMP. False negative ` 'when' expression must be exhaustive ` without sealed class inheritor from common source-set - [`KT-65578`](https://youtrack.jetbrains.com/issue/KT-65578) K2: implement a deprecation warning for KT-57014 (wrong nullability returned from JDK SAM constructor lambda) - [`KT-63466`](https://youtrack.jetbrains.com/issue/KT-63466) `@NonNull` on a type-variable usage doesn't take precedence over a wildcard type argument - [`KT-56134`](https://youtrack.jetbrains.com/issue/KT-56134) K2: NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER diagnostic is reported for the wrong symbol - [`KT-66196`](https://youtrack.jetbrains.com/issue/KT-66196) Convert INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR to warning - [`KT-66793`](https://youtrack.jetbrains.com/issue/KT-66793) K2: "assigning single elements to varargs in named form is prohibited." caused by varargs supplied from java with elvis operator - [`KT-59872`](https://youtrack.jetbrains.com/issue/KT-59872) K2: Disappeared TYPE_MISMATCH - [`KT-67192`](https://youtrack.jetbrains.com/issue/KT-67192) K2: Disappeared TYPE_MISMATCH \[3] - [`KT-63319`](https://youtrack.jetbrains.com/issue/KT-63319) K1/K2: inconsistent behavior around NullMarked and type parameter based types - [`KT-59882`](https://youtrack.jetbrains.com/issue/KT-59882) K2: Disappeared CANNOT_INFER_PARAMETER_TYPE - [`KT-67191`](https://youtrack.jetbrains.com/issue/KT-67191) K2: Disappeared TYPE_MISMATCH \[4] - [`KT-53752`](https://youtrack.jetbrains.com/issue/KT-53752) Missed subtyping check for an intersection type - [`KT-52628`](https://youtrack.jetbrains.com/issue/KT-52628) Deprecate SAM constructor usages which require OptIn without annotation - [`KT-54066`](https://youtrack.jetbrains.com/issue/KT-54066) Deprecate upper bound violation in typealias constructors - [`KT-64860`](https://youtrack.jetbrains.com/issue/KT-64860) K2: Consider using different ConstraintPosition when fixing variables for PCLA - [`KT-67189`](https://youtrack.jetbrains.com/issue/KT-67189) K2: Disappeared TYPE_MISMATCH \[5] - [`KT-67551`](https://youtrack.jetbrains.com/issue/KT-67551) K2: No wrong annotation target error for `for` statement - [`KT-67374`](https://youtrack.jetbrains.com/issue/KT-67374) K2: Object is not smartcasted to type parameter type - [`KT-67264`](https://youtrack.jetbrains.com/issue/KT-67264) K2: "argument type mismatch" with suspend lambda and java wildcard - [`KT-63257`](https://youtrack.jetbrains.com/issue/KT-63257) K2: FIR2IR inserts incorrect implicit cast for smartcasted variable - [`KT-66902`](https://youtrack.jetbrains.com/issue/KT-66902) K2: "Named arguments are prohibited for non-Kotlin functions" with Java interop - [`KT-67311`](https://youtrack.jetbrains.com/issue/KT-67311) K2: "Argument type mismatch" caused by lambda type when using named arguments - [`KT-57011`](https://youtrack.jetbrains.com/issue/KT-57011) Make real type of a destructuring variable consistent with explicit type when specified - [`KT-62043`](https://youtrack.jetbrains.com/issue/KT-62043) K2: Fix FirCompileKotlinAgainstCustomBinariesTest.testRawTypes - [`KT-66256`](https://youtrack.jetbrains.com/issue/KT-66256) K2: compiler FIR2IR crash on SAM-conversion to value parameter of in-projected type - [`KT-67124`](https://youtrack.jetbrains.com/issue/KT-67124) "Unstable inference behaviour with multiple generic lambdas" compilation error - [`KT-59791`](https://youtrack.jetbrains.com/issue/KT-59791) K2: Implement partially constrained lambda analysis - [`KT-66743`](https://youtrack.jetbrains.com/issue/KT-66743) Lambda receivers and anonymous function parameters of inaccessible types are allowed - [`KT-67315`](https://youtrack.jetbrains.com/issue/KT-67315) K2: Some default imports are not excluded - [`KT-56126`](https://youtrack.jetbrains.com/issue/KT-56126) Avoid using descriptors at JvmPlatformAnalyzerServices::computePlatformSpecificDefaultImports - [`KT-66513`](https://youtrack.jetbrains.com/issue/KT-66513) K2: Suppressing OPT_IN_USAGE_ERROR is now a warning in K2, preventing safe code gen compatible with -Werror - [`KT-67233`](https://youtrack.jetbrains.com/issue/KT-67233) False negative UNSAFE_CALL with type check after null coalescing with 'OR' - [`KT-52802`](https://youtrack.jetbrains.com/issue/KT-52802) Report ambiguity resolving between property/field and enum entry - [`KT-64920`](https://youtrack.jetbrains.com/issue/KT-64920) Json.encodeToString yields different results depending on whether typealias is used - [`KT-58260`](https://youtrack.jetbrains.com/issue/KT-58260) Make invoke convention work consistently with expected desugaring - [`KT-67314`](https://youtrack.jetbrains.com/issue/KT-67314) PCLA works inconsistently with smart-cast related CS forks - [`KT-66797`](https://youtrack.jetbrains.com/issue/KT-66797) K2 JS: Primary constructor property annotation with target VALUE_PARAMETER is put on property instead of parameter - [`KT-55179`](https://youtrack.jetbrains.com/issue/KT-55179) False negative PRIVATE_CLASS_MEMBER_FROM_INLINE on calling private class companion object member from internal inline function - [`KT-54663`](https://youtrack.jetbrains.com/issue/KT-54663) Projected types don't take into account in-place not null types - [`KT-58191`](https://youtrack.jetbrains.com/issue/KT-58191) K2: capturing closures successors that are already resolved (thanks to backward edges) must be taken into account for allowing smart casts - [`KT-67144`](https://youtrack.jetbrains.com/issue/KT-67144) K2: potential NPE when assigning to unstable vars - [`KT-66971`](https://youtrack.jetbrains.com/issue/KT-66971) K2: missing SMARTCAST_IMPOSSIBLE on open val declared in another module - [`KT-66904`](https://youtrack.jetbrains.com/issue/KT-66904) K2: possible NPE when reassigning captured variables - [`KT-57031`](https://youtrack.jetbrains.com/issue/KT-57031) operator assignment, increment/decrement should be considered as variable reassigning in terms of DFA. green in K1 -> red in K2 for unsound code - [`KT-67212`](https://youtrack.jetbrains.com/issue/KT-67212) K2: "Failed to find functional supertype for class org.jetbrains.kotlin.fir.types.ConeCapturedType" - [`KT-67283`](https://youtrack.jetbrains.com/issue/KT-67283) K2: No SAM conversion for fun interface with abstract toString - [`KT-67318`](https://youtrack.jetbrains.com/issue/KT-67318) Compiler fails with OutOfMemoryError on combination of PCLA+smart cast - [`KT-66956`](https://youtrack.jetbrains.com/issue/KT-66956) K2: false negative CONST_VAL_WITH_NON_CONST_INITIALIZER for inc/dec operators - [`KT-64233`](https://youtrack.jetbrains.com/issue/KT-64233) K2: K1/K2: ensure JVM ABI consistency for quality gates projects - [`KT-63535`](https://youtrack.jetbrains.com/issue/KT-63535) K2: Apply DFA implications for nullable Nothing to both sides - [`KT-63413`](https://youtrack.jetbrains.com/issue/KT-63413) K2 / kotlinx-atomicfu: "IllegalStateException: Expected some types" - [`KT-62931`](https://youtrack.jetbrains.com/issue/KT-62931) K2: extra class files for `@OptionalExpectation` marked annotations - [`KT-34307`](https://youtrack.jetbrains.com/issue/KT-34307) Confusing error message on lambda return type mismatch - [`KT-62151`](https://youtrack.jetbrains.com/issue/KT-62151) K2. overload resolution ambiguity for calls of Java record compact constructors - [`KT-60732`](https://youtrack.jetbrains.com/issue/KT-60732) K2 Scripting: TeamCity DSL test - [`KT-65062`](https://youtrack.jetbrains.com/issue/KT-65062) K2: build kotlinx.collections.immutable and pass to CI - [`KT-59467`](https://youtrack.jetbrains.com/issue/KT-59467) K2: build toolbox-enterprise - [`KT-67205`](https://youtrack.jetbrains.com/issue/KT-67205) K2: can't deserialize annotation with local class as argument - [`KT-52175`](https://youtrack.jetbrains.com/issue/KT-52175) K2: WRONG_ANNOTATION_TARGET for annotation that used inside if - [`KT-65449`](https://youtrack.jetbrains.com/issue/KT-65449) K2: build KAPT user project and pass it to CI - [`KT-61384`](https://youtrack.jetbrains.com/issue/KT-61384) IrFakeOverrideBuilder incorrectly checks visibility for friend modules - [`KT-67142`](https://youtrack.jetbrains.com/issue/KT-67142) K2: IrFakeOverrideBuilder: AbstractMethodError on raw type argument in a Java superclass - [`KT-65105`](https://youtrack.jetbrains.com/issue/KT-65105) K2 / Native: Member overrides different '`@Throws`' filter - [`KT-62570`](https://youtrack.jetbrains.com/issue/KT-62570) IncompatibleClassChangeError due to overriding final method - [`KT-57812`](https://youtrack.jetbrains.com/issue/KT-57812) K2: support serialization of type annotation's arguments - [`KT-67190`](https://youtrack.jetbrains.com/issue/KT-67190) K2: Disappeared TYPE_MISMATCH \[2] - [`KT-56683`](https://youtrack.jetbrains.com/issue/KT-56683) K2: No control flow analysis for top-level properties - [`KT-67188`](https://youtrack.jetbrains.com/issue/KT-67188) K2: Disappeared TYPE_MISMATCH \[6] - [`KT-62063`](https://youtrack.jetbrains.com/issue/KT-62063) K2: drop pre-release flag in 2.0-RC - [`KT-67187`](https://youtrack.jetbrains.com/issue/KT-67187) K2: Disappeared TYPE_MISMATCH \[1] - [`KT-66909`](https://youtrack.jetbrains.com/issue/KT-66909) K2: Implement a diagnostic for returning null from a lambda with expected return type Unit! - [`KT-66534`](https://youtrack.jetbrains.com/issue/KT-66534) False positive ASSIGNMENT_TYPE_MISMATCH in lambdas with expected return type Unit! - [`KT-63381`](https://youtrack.jetbrains.com/issue/KT-63381) IrFakeOverrideBuilder: PublishedApi affects overridability of internal members - [`KT-63836`](https://youtrack.jetbrains.com/issue/KT-63836) K2: No deprecation error message in common metadata compilation - [`KT-57618`](https://youtrack.jetbrains.com/issue/KT-57618) K2: complex deprecation messages are not printed in the error - [`KT-59856`](https://youtrack.jetbrains.com/issue/KT-59856) K2: Check ConeDiagnostics that are not mapped to KtDiagnostics - [`KT-57502`](https://youtrack.jetbrains.com/issue/KT-57502) K2: Smart casts should be forbidden if variable that remembers the smart cast is declared by delegation - [`KT-63967`](https://youtrack.jetbrains.com/issue/KT-63967) K2: Missing getterSignature in metadata for script variables - [`KT-59372`](https://youtrack.jetbrains.com/issue/KT-59372) K2: Missing SELF_CALL_IN_NESTED_OBJECT_CONSTRUCTOR_ERROR - [`KT-60526`](https://youtrack.jetbrains.com/issue/KT-60526) K2: Fix the TODO in `convertToIr.kt` - [`KT-67090`](https://youtrack.jetbrains.com/issue/KT-67090) K2: Exception from metadata compilation when compiling class with annotations from dependencies - [`KT-59479`](https://youtrack.jetbrains.com/issue/KT-59479) K2: build KorGE - [`KT-64502`](https://youtrack.jetbrains.com/issue/KT-64502) K2: Internal error on calling function before declaration - [`KT-62560`](https://youtrack.jetbrains.com/issue/KT-62560) K2: KAPT4: annotation `@ReplaceWith` is missing a default value for the element 'imports' - [`KT-67027`](https://youtrack.jetbrains.com/issue/KT-67027) K2: Review all use-sites of annotation arguments utilities - [`KT-65012`](https://youtrack.jetbrains.com/issue/KT-65012) IR Evaluator: `NoSuchFieldException` when evaluating protected/private fields of superclasses - [`KT-66953`](https://youtrack.jetbrains.com/issue/KT-66953) K2: toByte() call on Char leads to ClassCastException for klib backends - [`KT-60096`](https://youtrack.jetbrains.com/issue/KT-60096) K2: Introduced API_NOT_AVAILABLE - [`KT-59484`](https://youtrack.jetbrains.com/issue/KT-59484) K2: build trustwallet sample - [`KT-64151`](https://youtrack.jetbrains.com/issue/KT-64151) K2: consider implementing FIR-level constant evaluation - [`KT-65787`](https://youtrack.jetbrains.com/issue/KT-65787) K2: "KotlinIllegalArgumentExceptionWithAttachments: Expected FirResolvedTypeRef with ConeKotlinType" caused by passing lambda expression with multiple labels to function - [`KT-53629`](https://youtrack.jetbrains.com/issue/KT-53629) K2: forbid multiple labels per statement - [`KT-65255`](https://youtrack.jetbrains.com/issue/KT-65255) K2 / KJS: "IllegalArgumentException: Candidate is not successful, but system has no contradiction" - [`KT-65195`](https://youtrack.jetbrains.com/issue/KT-65195) K2: Unexpected exception when executing dynamic array element inc/dec - [`KT-63416`](https://youtrack.jetbrains.com/issue/KT-63416) K2 / Contracts: False positive "Leaked in-place lambda" warning caused by suspend lambda with callsInPlace contract - [`KT-66717`](https://youtrack.jetbrains.com/issue/KT-66717) Incorrect diagnostics around intersection property overrides - [`KT-63540`](https://youtrack.jetbrains.com/issue/KT-63540) Restrict the CONFLICTING_OVERLOADS + DeprecatedLevel.HIDDEN ignore to final callables - [`KT-56587`](https://youtrack.jetbrains.com/issue/KT-56587) There are no warnings in some cases when Enum.entries is shadowed - [`KT-65111`](https://youtrack.jetbrains.com/issue/KT-65111) K2: Java star imports don't work in KJK interdependencies - [`KT-63709`](https://youtrack.jetbrains.com/issue/KT-63709) K2: Argument smartcasting impacting receiver and call resolution for implicit invoke - [`KT-63530`](https://youtrack.jetbrains.com/issue/KT-63530) K2: Disable passing data flow info from in-place lambdas - [`KT-65377`](https://youtrack.jetbrains.com/issue/KT-65377) K2: "Argument type mismatch" caused by approximated captured type argument of generic type - [`KT-59400`](https://youtrack.jetbrains.com/issue/KT-59400) K2: Missing CANNOT_INFER_VISIBILITY - [`KT-62305`](https://youtrack.jetbrains.com/issue/KT-62305) K2: Missing Fir metadata serialization support for scripts - [`KT-64534`](https://youtrack.jetbrains.com/issue/KT-64534) K2: org.jetbrains.kotlin.util.FileAnalysisException: Somewhere in file - [`KT-57555`](https://youtrack.jetbrains.com/issue/KT-57555) \[LC] Forbid deferred initialization of open properties with backing field - [`KT-65776`](https://youtrack.jetbrains.com/issue/KT-65776) \[LC] K2 breaks `false && ...` and `false || ...` - [`KT-64641`](https://youtrack.jetbrains.com/issue/KT-64641) K2: Change in inference of supertype of function types with receiver - [`KT-65649`](https://youtrack.jetbrains.com/issue/KT-65649) K2: IR has incorrect origins for some inplace updating operators - [`KT-64295`](https://youtrack.jetbrains.com/issue/KT-64295) Forbid recursive resolve in case of potential ambiguity on upper tower level - [`KT-62866`](https://youtrack.jetbrains.com/issue/KT-62866) K2: Change qualifier resolution behavior when companion object is preferred against static scope - [`KT-55446`](https://youtrack.jetbrains.com/issue/KT-55446) Change impact of *private-to-this* visibility to resolution - [`KT-64255`](https://youtrack.jetbrains.com/issue/KT-64255) Forbid accessing internal setter from a derived class in another module - [`KT-64966`](https://youtrack.jetbrains.com/issue/KT-64966) Forbid generic delegating constructor calls with wrong type for generic parameter - [`KT-63389`](https://youtrack.jetbrains.com/issue/KT-63389) K2: `WRONG_ANNOTATION_TARGET` is reported on incompatible annotations of a type wrapped into `()?` - [`KT-66748`](https://youtrack.jetbrains.com/issue/KT-66748) K2: False-positive AMBIGUOUS_SUPER in toString - [`KT-67013`](https://youtrack.jetbrains.com/issue/KT-67013) K2: ClassCastException: class FirConstructorSymbol cannot be cast to class FirNamedFunctionSymbol - [`KT-64872`](https://youtrack.jetbrains.com/issue/KT-64872) K2: do-while condition able to access uninitialized variable - [`KT-66350`](https://youtrack.jetbrains.com/issue/KT-66350) K2: "IllegalStateException: Unsupported compile-time value STRING_CONCATENATION" when evaluating an annotation argument string - [`KT-61798`](https://youtrack.jetbrains.com/issue/KT-61798) K2 incorrectly calculates modality of property accessors - [`KT-65035`](https://youtrack.jetbrains.com/issue/KT-65035) IrFakeOverrideBuilder: AbstractMethodError on inheritance from Java subclass of CharSequence with inherited implementations - [`KT-61579`](https://youtrack.jetbrains.com/issue/KT-61579) K2: Inconsistent reporting `UNINITIALIZED_VARIABLE` for top-level properties - [`KT-66730`](https://youtrack.jetbrains.com/issue/KT-66730) K2: False positive RETURN_TYPE_MISMATCH in return statement in SAM constructor - [`KT-66570`](https://youtrack.jetbrains.com/issue/KT-66570) Generic wildcard upper bound inference error - [`KT-65272`](https://youtrack.jetbrains.com/issue/KT-65272) K2: invoke operator applies "restricted suspending call" error differently than K1 - [`KT-66148`](https://youtrack.jetbrains.com/issue/KT-66148) K2. Sources of receivers updated twice because of PCLA - [`KT-62525`](https://youtrack.jetbrains.com/issue/KT-62525) K2: IllegalStateException: Can't find KotlinType in IrErrorType: IrErrorType(null) - [`KT-64266`](https://youtrack.jetbrains.com/issue/KT-64266) K2: don't report MISSING_DEPENDENCY_CLASS on lambda parameter for non-generic types - [`KT-65300`](https://youtrack.jetbrains.com/issue/KT-65300) K2: this-expressions in initializers and local declarations don't introduce type information to either BI or PCLA - [`KT-66463`](https://youtrack.jetbrains.com/issue/KT-66463) K2: false positive ACCIDENTAL_OVERRIDE_CLASH_BY_JVM_SIGNATURE - [`KT-62356`](https://youtrack.jetbrains.com/issue/KT-62356) Prohibit using property+invoke for iterator - [`KT-63631`](https://youtrack.jetbrains.com/issue/KT-63631) K2: constant value UByte.MAX_VALUE is incorrectly deserialized from metadata - [`KT-65386`](https://youtrack.jetbrains.com/issue/KT-65386) K2: Different signature of invoke for Unit lambda - [`KT-60574`](https://youtrack.jetbrains.com/issue/KT-60574) K2: generated IR for `suspendCoroutineUninterceptedOrReturn` is different from K1 (K2 uses Any? instead of Unit) - [`KT-66512`](https://youtrack.jetbrains.com/issue/KT-66512) K2: Incorrect diagnostic in lambda whose expected type is a type alias to Unit - [`KT-66279`](https://youtrack.jetbrains.com/issue/KT-66279) K2: False positive INITIALIZER_TYPE_MISMATCH with `return Unit` in a lambda with the expected type `() -> Unit` - [`KT-66277`](https://youtrack.jetbrains.com/issue/KT-66277) K2: False negative RETURN_TYPE_MISMATCH with empty return in lambda assigned to a property - [`KT-66654`](https://youtrack.jetbrains.com/issue/KT-66654) K2 FIR resolution: Mismatch between actual type and expected type for a value parameter when the parameter type is a function type with special function kind - [`KT-66638`](https://youtrack.jetbrains.com/issue/KT-66638) Cannot access properties of a generic type with wildcards - [`KT-66690`](https://youtrack.jetbrains.com/issue/KT-66690) K2: don't report MISSING_DEPENDENCY_CLASS on expression without errors for generic type arguments - [`KT-66767`](https://youtrack.jetbrains.com/issue/KT-66767) K2: Destructuring declaration inside initializer failure - [`KT-63695`](https://youtrack.jetbrains.com/issue/KT-63695) JVM: Don't use plugin extensions when compiling code fragment - [`KT-65727`](https://youtrack.jetbrains.com/issue/KT-65727) K2: add proper package for properties generated from destructuring declarations - [`KT-64854`](https://youtrack.jetbrains.com/issue/KT-64854) K2: Trying to access private field on runtime with contracts - [`KT-65388`](https://youtrack.jetbrains.com/issue/KT-65388) IrFakeOverrideBuilder - custom annotation is available in fake getter/setter - [`KT-66595`](https://youtrack.jetbrains.com/issue/KT-66595) K2: compiler FIR checking crash on destructuring declarations calling hidden componentN declarations - [`KT-62129`](https://youtrack.jetbrains.com/issue/KT-62129) K2: Verification error on calling an extension from an env with 2+ context receivers - [`KT-41607`](https://youtrack.jetbrains.com/issue/KT-41607) NI: UNSAFE_CALL caused by try catch block assigning to a nullable variable - [`KT-63932`](https://youtrack.jetbrains.com/issue/KT-63932) K2/Native codegen test failures around builder inference - [`KT-66352`](https://youtrack.jetbrains.com/issue/KT-66352) K2: difference between LL FIR and FIR for componentN functions - [`KT-66686`](https://youtrack.jetbrains.com/issue/KT-66686) K2 Script: Unresolved reference of script-specific entities on out-of-order resolve - [`KT-65523`](https://youtrack.jetbrains.com/issue/KT-65523) K2: add proper package for result$$ property - [`KT-66699`](https://youtrack.jetbrains.com/issue/KT-66699) Restore HostManager ABI - [`KT-60533`](https://youtrack.jetbrains.com/issue/KT-60533) Inliner incorrectly captures non-null value as null in coroutines - [`KT-57925`](https://youtrack.jetbrains.com/issue/KT-57925) K2: Consider removing FirEmptyContractDescription - [`KT-61893`](https://youtrack.jetbrains.com/issue/KT-61893) K2: should not resolve to Java function with Kotlin hidden-level deprecation - [`KT-59669`](https://youtrack.jetbrains.com/issue/KT-59669) K2: Explore assignments in in-place lambdas - [`KT-66271`](https://youtrack.jetbrains.com/issue/KT-66271) Fir: Deserialize classFile, functionFile and propertyFile from KlibMetadataProtoBuf - [`KT-57957`](https://youtrack.jetbrains.com/issue/KT-57957) K2: Symbol providers are frequently queried with error-named class IDs - [`KT-66046`](https://youtrack.jetbrains.com/issue/KT-66046) K2: false negative CANNOT_WEAKEN_ACCESS_PRIVILEGE on property - [`KT-66677`](https://youtrack.jetbrains.com/issue/KT-66677) K2: OVERRIDE_DEPRECATION isn't reported for WEAKLY_HIDDEN method toArray() - [`KT-62793`](https://youtrack.jetbrains.com/issue/KT-62793) K2: slightly different bytecode of suspend conversions - [`KT-57244`](https://youtrack.jetbrains.com/issue/KT-57244) K2: slightly different naming scheme for suspend conversion adapters - [`KT-60256`](https://youtrack.jetbrains.com/issue/KT-60256) K2: types are not substituted in suspend conversion - [`KT-66673`](https://youtrack.jetbrains.com/issue/KT-66673) K2/JS: FirJsInheritanceClassChecker doesn't expand type aliases to supertypes - [`KT-66475`](https://youtrack.jetbrains.com/issue/KT-66475) K2/KMP/Wasm: report WRONG_JS_INTEROP_TYPE from a platform checker - [`KT-66474`](https://youtrack.jetbrains.com/issue/KT-66474) K2/KMP/JS: report EXTERNAL_TYPE_EXTENDS_NON_EXTERNAL_TYPE from a platform checker - [`KT-66473`](https://youtrack.jetbrains.com/issue/KT-66473) K2/Wasm: FirWasmExternalInheritanceChecker doesn't expand type aliases - [`KT-64407`](https://youtrack.jetbrains.com/issue/KT-64407) Implement WriteSignatureTestGenerated for K2 - [`KT-64438`](https://youtrack.jetbrains.com/issue/KT-64438) K2: Port CodegenTestCase to K2 - [`KT-64404`](https://youtrack.jetbrains.com/issue/KT-64404) Implement WriteFlagsTestGenerated for K2 - [`KT-66491`](https://youtrack.jetbrains.com/issue/KT-66491) K2 / KJS: "Name contains illegal characters." caused by backticks in import - [`KT-66275`](https://youtrack.jetbrains.com/issue/KT-66275) K2: false-positive "Java module does not depend on module" error on access to inherited member from twice-transitive dependency via class from transitive dependency - [`KT-65801`](https://youtrack.jetbrains.com/issue/KT-65801) IrFakeOverrideBuilder - visibility is lost for setter in KJK hierarchy - [`KT-65576`](https://youtrack.jetbrains.com/issue/KT-65576) K2: Incorrect resolution of variable+invoke when the property type is not computed - [`KT-58575`](https://youtrack.jetbrains.com/issue/KT-58575) Private Kotlin property prevents use of Java get- and set-methods from Java-Kotlin-Java hierarchy - [`KT-61282`](https://youtrack.jetbrains.com/issue/KT-61282) K2: Incorrect overridden function for `java.nio.CharBuffer.get` - [`KT-65464`](https://youtrack.jetbrains.com/issue/KT-65464) K2: False positive UNRESOLVED_REFERENCE on extension property call defined in KJK hierarchy - [`KT-59470`](https://youtrack.jetbrains.com/issue/KT-59470) K2: build KaMPKit - [`KT-60510`](https://youtrack.jetbrains.com/issue/KT-60510) Smartcast to functional type does not work in when exprssion - [`KT-59677`](https://youtrack.jetbrains.com/issue/KT-59677) K2: Report diagnostics about missing receiver for delegated constructor call to inner class - [`KT-65183`](https://youtrack.jetbrains.com/issue/KT-65183) K2: Remove workaround for `@OnlyInputTypes` and captured types with recursive supertypes from inference - [`KT-66120`](https://youtrack.jetbrains.com/issue/KT-66120) IrFakeOverrideBuilder: wrong return type in intersection with 3 classes - [`KT-65939`](https://youtrack.jetbrains.com/issue/KT-65939) IrFakeOverrideBuilder - nullability annotation is lost in intersection without annotation - [`KT-59473`](https://youtrack.jetbrains.com/issue/KT-59473) K2: build firebase-kotlin-sdk - [`KT-66356`](https://youtrack.jetbrains.com/issue/KT-66356) K2: type mismatch error when generic type with inaccessible generic type as type argument is produced and consumed by declarations from dependencies - [`KT-65193`](https://youtrack.jetbrains.com/issue/KT-65193) K2: "JAVA_TYPE_MISMATCH" caused by MutableList - [`KT-66636`](https://youtrack.jetbrains.com/issue/KT-66636) NoSuchMethodError: 'void org.jetbrains.kotlin.ir.expressions.impl.IrCompositeImpl.<init> in the FLysto K2 QG - [`KT-63941`](https://youtrack.jetbrains.com/issue/KT-63941) K2: "IllegalStateException: Unsupported compile-time value STRING_CONCATENATION" caused by class reference in string expression as annotation parameter - [`KT-65704`](https://youtrack.jetbrains.com/issue/KT-65704) K2: `computeCommonSuperType` of flexible type with recursive captured type argument produces giant multi-level-deep type - [`KT-65410`](https://youtrack.jetbrains.com/issue/KT-65410) K2: ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED for 'removeAt' in KJK hierarchy - [`KT-65184`](https://youtrack.jetbrains.com/issue/KT-65184) K2: disappeared TYPE_MISMATCH for java collections - [`KT-66392`](https://youtrack.jetbrains.com/issue/KT-66392) K2: Exception in KJK hierarchy with implicit types - [`KT-66551`](https://youtrack.jetbrains.com/issue/KT-66551) Revert temporary commits after KT-62063 and bootstrapping - [`KT-65218`](https://youtrack.jetbrains.com/issue/KT-65218) FIR LL and DiagnosticFE10 tests start to fail in case of adding any new declaration into stdlib commonMain - [`KT-66552`](https://youtrack.jetbrains.com/issue/KT-66552) K2: build of intellij crashes the compiler - [`KT-63746`](https://youtrack.jetbrains.com/issue/KT-63746) K2: JSpecify: If a class has a `@Nullable` type-parameter bound, Kotlin should still treat unbounded wildcards like platform types - [`KT-66504`](https://youtrack.jetbrains.com/issue/KT-66504) K2: plusAssign operator call is resolved differently than function call - [`KT-48515`](https://youtrack.jetbrains.com/issue/KT-48515) JSpecify: If a class has a `@Nullable` type-parameter bound, Kotlin should still treat unbounded wildcards like platform types - [`KT-57588`](https://youtrack.jetbrains.com/issue/KT-57588) K2/Native: False positive '"CONFLICTING_OVERLOADS", "PARAMETER_NAME_CHANGED_ON_OVERRIDE" on overriding objc methods - [`KT-58892`](https://youtrack.jetbrains.com/issue/KT-58892) K2: Parcelize doesn't work in common code when expect annotation is actualized with typealias to `@Parcelize` - [`KT-65882`](https://youtrack.jetbrains.com/issue/KT-65882) K2: "KotlinNothingValueException" caused by unsafe cast and Nothing::class - [`KT-66124`](https://youtrack.jetbrains.com/issue/KT-66124) K2: Remove FirLambdaArgumentExpression and FirNamedArgumentExpression after resolution - [`KT-65959`](https://youtrack.jetbrains.com/issue/KT-65959) K2: Incorrect warnings about inline function impact - [`KT-64994`](https://youtrack.jetbrains.com/issue/KT-64994) K2: `@Composable` lambda type is not resolved from other modules - [`KT-66048`](https://youtrack.jetbrains.com/issue/KT-66048) K2: property becomes nullable in KJK hierarchy if base declaration has implicit return type - [`KT-47843`](https://youtrack.jetbrains.com/issue/KT-47843) No error reported on assigning "continue" to a companion object - [`KT-47530`](https://youtrack.jetbrains.com/issue/KT-47530) NI: Unexpected TYPE_MISMATCH when combining nested conditional and contravariant type argument - [`KT-49583`](https://youtrack.jetbrains.com/issue/KT-49583) NI: NullPointerException on compiling anonymous function returning a method reference - [`KT-42782`](https://youtrack.jetbrains.com/issue/KT-42782) NI: Smart casting for generic type doesn't work if the variable is already smart cast - [`KT-38031`](https://youtrack.jetbrains.com/issue/KT-38031) FIR: Discrepancy in call resolution for qualifiers with old FE - [`KT-65789`](https://youtrack.jetbrains.com/issue/KT-65789) K1/K2: Resolve change in constructor/top-level function ambiguity - [`KT-66150`](https://youtrack.jetbrains.com/issue/KT-66150) K2: expects type argument in super qualifier - [`KT-60971`](https://youtrack.jetbrains.com/issue/KT-60971) Incorrect "cannot inline bytecode built with JVM target ..." on property setter if only getter is inline - [`KT-61514`](https://youtrack.jetbrains.com/issue/KT-61514) K2: Build fake overrides using IR during Fir2IR - [`KT-65584`](https://youtrack.jetbrains.com/issue/KT-65584) K2: "Duplicate parameter name in a function type" - [`KT-50008`](https://youtrack.jetbrains.com/issue/KT-50008) JSpecify `@Nullable` annotation on type-parameter bound prevents type-variable usages from being platform types - [`KT-37000`](https://youtrack.jetbrains.com/issue/KT-37000) IndexOutOfBoundsException from TypeResolver on typealias with cyclic references - [`KT-56988`](https://youtrack.jetbrains.com/issue/KT-56988) CFG, smart casts: red in K1 -> green in K2 for invalid code - [`KT-62118`](https://youtrack.jetbrains.com/issue/KT-62118) FIR: "HashMap.entry" has invalid enhanced type - [`KT-64840`](https://youtrack.jetbrains.com/issue/KT-64840) K2: Bare type are not allowed for TV based values during PCLA - [`KT-65415`](https://youtrack.jetbrains.com/issue/KT-65415) K2: Stdlib K2 build error: IrConstructorSymbolImpl is already bound - [`KT-66449`](https://youtrack.jetbrains.com/issue/KT-66449) Make DiagnosticSuppressor a project-level extension - [`KT-66411`](https://youtrack.jetbrains.com/issue/KT-66411) FIR: Real source on fake block around assignment expression in the "when" branch affects resolve in K2 Analysis API and IDE - [`KT-65249`](https://youtrack.jetbrains.com/issue/KT-65249) K2: False positive modality is different for native compilation - [`KT-65982`](https://youtrack.jetbrains.com/issue/KT-65982) K2 Scripts cannot disambiguate declarations imported from default and explicit imports - [`KT-65677`](https://youtrack.jetbrains.com/issue/KT-65677) K2: Unable to resolve parent class from companion object - [`KT-47310`](https://youtrack.jetbrains.com/issue/KT-47310) Change qualifier resolution behavior when companion property is preferred against enum entry - [`KT-41034`](https://youtrack.jetbrains.com/issue/KT-41034) K2: Change evaluation semantics for combination of safe calls and convention operators - [`KT-63529`](https://youtrack.jetbrains.com/issue/KT-63529) K2: Compiler does not detect tailrec call with nullable type - [`KT-66441`](https://youtrack.jetbrains.com/issue/KT-66441) Remove symbol table from IR fake override builder in Fir2Ir - [`KT-64846`](https://youtrack.jetbrains.com/issue/KT-64846) K2: false negative CONFLICTING_JVM_DECLARATIONS on inheritance from Java collection subclass with a conflicting override - [`KT-62312`](https://youtrack.jetbrains.com/issue/KT-62312) \[K2/N] revert putting stdlib to the beginning of libraries list in the compiler - [`KT-58203`](https://youtrack.jetbrains.com/issue/KT-58203) K2: false-negative incompatible types error on is-check with unrelated type - [`KT-65722`](https://youtrack.jetbrains.com/issue/KT-65722) K2: Property reference refers to non-existent functions - [`KT-65878`](https://youtrack.jetbrains.com/issue/KT-65878) K2: "ClassCastException" when passing nun-suspend lambda to SAM constructor with named argument - [`KT-66379`](https://youtrack.jetbrains.com/issue/KT-66379) K2: No extra message in UPPER_BOUND_VIOLATED for cases with CapturedType - [`KT-59475`](https://youtrack.jetbrains.com/issue/KT-59475) K2: build nowinandroid - [`KT-65926`](https://youtrack.jetbrains.com/issue/KT-65926) K2: add tests for all fixed-in-k2 / not-reproducible-in-k2 unresolved issues - [`KT-59481`](https://youtrack.jetbrains.com/issue/KT-59481) K2: build aws-sdk-kotlin + smithy-kotlin - [`KT-65022`](https://youtrack.jetbrains.com/issue/KT-65022) K2: Compiler crashes when array literal is used in delegate expression - [`KT-62836`](https://youtrack.jetbrains.com/issue/KT-62836) K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource - [`KT-64727`](https://youtrack.jetbrains.com/issue/KT-64727) K1: Closing bracket of object inside crossinline lambda or inside lambda in inline function is not hit on step-over - [`KT-64726`](https://youtrack.jetbrains.com/issue/KT-64726) K1: Cannot stop on closing bracket of crossinline lambda inside of another crossinline lambda - [`KT-64725`](https://youtrack.jetbrains.com/issue/KT-64725) K1: Cannot stop on closing bracket of lambda of inline-only function - [`KT-66272`](https://youtrack.jetbrains.com/issue/KT-66272) Could not load module <Error module> with a combination of type parameters - [`KT-66243`](https://youtrack.jetbrains.com/issue/KT-66243) Could not load module <Error module> in a builder inference with lambda with typed parameter - [`KT-66229`](https://youtrack.jetbrains.com/issue/KT-66229) Could not load module <Error module> in a builder inference with Map.Entry - [`KT-66313`](https://youtrack.jetbrains.com/issue/KT-66313) K2: declaration-order-dependent false-positive "recursive problem in type checker" error on `getX` declaration with implicit return type that calls `x` declaration via intermediate declaration in `getX`'s expression body - [`KT-61041`](https://youtrack.jetbrains.com/issue/KT-61041) K2: Consider getting rid of confusing shouldRunCompletion and shouldAvoidFullCompletion function in FirInferenceSession - [`KT-66267`](https://youtrack.jetbrains.com/issue/KT-66267) K2: generic function's type parameter is erased if present as type argument in type of callable reference to member of generic function's local class - [`KT-61448`](https://youtrack.jetbrains.com/issue/KT-61448) K2: Disappeared DEPRECATION in testWithModifiedMockJdk - [`KT-60106`](https://youtrack.jetbrains.com/issue/KT-60106) K2: Introduced REIFIED_TYPE_FORBIDDEN_SUBSTITUTION - [`KT-58279`](https://youtrack.jetbrains.com/issue/KT-58279) K2. False-negative `Smart cast to is impossible, because is a public API property declared in different module` for Java static field - [`KT-61626`](https://youtrack.jetbrains.com/issue/KT-61626) K2: Module "com.soywiz.korlibs.kmem:kmem" has a reference to symbol korlibs.memory/Buffer|null\[1] - [`KT-57427`](https://youtrack.jetbrains.com/issue/KT-57427) Fix inconsistencies in name manglers that use different declaration representations - [`KT-66258`](https://youtrack.jetbrains.com/issue/KT-66258) K2: accessor-targeted `@Suppress` annotation is ignored on primary constructor property - [`KT-29559`](https://youtrack.jetbrains.com/issue/KT-29559) Smart Cast functionality doesn't behave in an expected way in all cases - [`KT-60777`](https://youtrack.jetbrains.com/issue/KT-60777) K2: missing INLINE_FROM_HIGHER_PLATFORM - [`KT-66260`](https://youtrack.jetbrains.com/issue/KT-66260) K2: false-positive "abstract function in non-abstract class" error on abstract member function of open interface - [`KT-66067`](https://youtrack.jetbrains.com/issue/KT-66067) K2: different overrides are created in a complex hierarchy with raw types and upper-bounded type parameters - [`KT-65821`](https://youtrack.jetbrains.com/issue/KT-65821) K2: \[NONE_APPLICABLE] None of the following functions is applicable: \[constructor(message: String?): Throwable, constructor(cause: Throwable?): Throwable, constructor(): Throwable, ...] - [`KT-66268`](https://youtrack.jetbrains.com/issue/KT-66268) K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl - [`KT-63563`](https://youtrack.jetbrains.com/issue/KT-63563) K2: False negative RETURN_TYPE_MISMATCH with empty return - [`KT-60797`](https://youtrack.jetbrains.com/issue/KT-60797) K2: implement JAVA_MODULE_DOES_NOT_EXPORT_PACKAGE - [`KT-28159`](https://youtrack.jetbrains.com/issue/KT-28159) Smartcasts don't work with Nothing? values (Nothing? considered a null constant => an unstable value) - [`KT-28262`](https://youtrack.jetbrains.com/issue/KT-28262) Smartcasts for reference equality don't work if explicit true check is used - [`KT-66000`](https://youtrack.jetbrains.com/issue/KT-66000) K2: inherited inline getter has not been inlined - [`KT-66158`](https://youtrack.jetbrains.com/issue/KT-66158) K2: not nullable return type for upper-bounded kotlin type parameter in KJK hierarchy - [`KT-57268`](https://youtrack.jetbrains.com/issue/KT-57268) K2: extra methods `remove` and/or `getOrDefault` are generated for Map subclasses with JDK 1.6 in dependencies - [`KT-63577`](https://youtrack.jetbrains.com/issue/KT-63577) K2: false-positive "wrong number of type arguments" error on callable reference to member of generic function's local class - [`KT-62352`](https://youtrack.jetbrains.com/issue/KT-62352) jspecify NonNull annotation seems not supported - [`KT-65636`](https://youtrack.jetbrains.com/issue/KT-65636) PowerAssert: Negative contains operator not aligned correctly in K2 - [`KT-64271`](https://youtrack.jetbrains.com/issue/KT-64271) K2: Wrong overriddenSymbols for toString of data class - [`KT-62779`](https://youtrack.jetbrains.com/issue/KT-62779) K2: Difference in fake override generation - [`KT-61941`](https://youtrack.jetbrains.com/issue/KT-61941) K2: FIR2IR incorrectly generates f/o structure for complex java/kotlin hierarchies with remapped jvm declarations - [`KT-60283`](https://youtrack.jetbrains.com/issue/KT-60283) K2: fake override for java static method is not generated - [`KT-65095`](https://youtrack.jetbrains.com/issue/KT-65095) K2: no bridge generated for getOrDefault when inheriting from Java Map implementation - [`KT-57301`](https://youtrack.jetbrains.com/issue/KT-57301) K2: `getOrDefault` and bridges are not generated for certain Map subclasses - [`KT-50916`](https://youtrack.jetbrains.com/issue/KT-50916) K2: store resolved type inside ConeStubType after builder inference - [`KT-65857`](https://youtrack.jetbrains.com/issue/KT-65857) K2: java.lang.IllegalArgumentException: Unknown visibility: unknown - [`KT-66174`](https://youtrack.jetbrains.com/issue/KT-66174) -Xjdk-release 6 and 7 have a misleading error message - [`KT-66175`](https://youtrack.jetbrains.com/issue/KT-66175) Wrong supported options list for -jvm-target compiler option - [`KT-58814`](https://youtrack.jetbrains.com/issue/KT-58814) Too eager subtype inference in when expression - [`KT-65408`](https://youtrack.jetbrains.com/issue/KT-65408) K1: "There are still 2 unbound symbols after generation of IR module" caused by data object's `copy` function usage - [`KT-65844`](https://youtrack.jetbrains.com/issue/KT-65844) False Positive "This class can only be used as an annotation or as an argument to `@OptIn`" when passing as an array - [`KT-58697`](https://youtrack.jetbrains.com/issue/KT-58697) K2: Tests: Assert no dump files exist when dump directive isn't present - [`KT-63258`](https://youtrack.jetbrains.com/issue/KT-63258) NPE with function reference from within lambda during init - [`KT-60597`](https://youtrack.jetbrains.com/issue/KT-60597) K1: IllegalArgumentException: fromIndex(0) > toIndex(-1) when wrapping receiver with backticks - [`KT-33108`](https://youtrack.jetbrains.com/issue/KT-33108) USELESS_CAST false positive for cast inside lambda - [`KT-58458`](https://youtrack.jetbrains.com/issue/KT-58458) K1: "java.lang.NullPointerException" with 'var equals' or 'val equals' as argument in when - [`KT-58447`](https://youtrack.jetbrains.com/issue/KT-58447) K1: "AssertionError: Recursion detected on input" with `@ParameterName` and extension - [`KT-41013`](https://youtrack.jetbrains.com/issue/KT-41013) OVERLOAD_RESOLUTION_AMBIGUITY for functions takes lambda: can not resolve it, but only named lambda parameter - [`KT-56032`](https://youtrack.jetbrains.com/issue/KT-56032) \[LC issue] Incorrect wrapping when passing java vararg method to inline function - [`KT-65588`](https://youtrack.jetbrains.com/issue/KT-65588) K2: typealias of primitive type in vararg causes ABI incompatibility - [`KT-23873`](https://youtrack.jetbrains.com/issue/KT-23873) Indexed access operator can cause false USELESS_CAST warning - [`KT-31191`](https://youtrack.jetbrains.com/issue/KT-31191) Contract not smartcasting for extension functions in if-statement with multiple conditions - [`KT-28725`](https://youtrack.jetbrains.com/issue/KT-28725) ReenteringLazyValueComputationException during resolution & inference - [`KT-35429`](https://youtrack.jetbrains.com/issue/KT-35429) ReenteringLazyValueComputationException when accessing property with same name - [`KT-63826`](https://youtrack.jetbrains.com/issue/KT-63826) K2: expect for expect crashes the compiler - [`KT-25668`](https://youtrack.jetbrains.com/issue/KT-25668) False-positive error on restricted suspending function call with callable reference - [`KT-18055`](https://youtrack.jetbrains.com/issue/KT-18055) SMARTCAST_IMPOSSIBLE on mutable data class variable with a read-only property - [`KT-15904`](https://youtrack.jetbrains.com/issue/KT-15904) Improve error message when type of generic extension call is inferred from receiver - [`KT-66186`](https://youtrack.jetbrains.com/issue/KT-66186) K1 diagnostics miss some reporting messages - [`KT-65101`](https://youtrack.jetbrains.com/issue/KT-65101) Generics behaving different when parenthesized - [`KT-63444`](https://youtrack.jetbrains.com/issue/KT-63444) TYPE_MISMATCH caused by Inner class with nullable type and star projection - [`KT-62022`](https://youtrack.jetbrains.com/issue/KT-62022) K1 False positive EXPOSED_FUNCTION_RETURN_TYPE on generics with anonymous object types - [`KT-58751`](https://youtrack.jetbrains.com/issue/KT-58751) Definitely non-nullable type gets lost with star projection - [`KT-56624`](https://youtrack.jetbrains.com/issue/KT-56624) "Unresolved reference" with import alias and enum constructor call - [`KT-54726`](https://youtrack.jetbrains.com/issue/KT-54726) K1: StackOverflowError on mutually recursive typealiases - [`KT-35134`](https://youtrack.jetbrains.com/issue/KT-35134) False negative INCOMPATIBLE_TYPES, EQUALITY_NOT_APPLICABLE when comparing smartcast value to Boolean - [`KT-20617`](https://youtrack.jetbrains.com/issue/KT-20617) Qualified this`@property` does not work in extension properties with body expression - [`KT-10879`](https://youtrack.jetbrains.com/issue/KT-10879) OVERLOAD_RESOLUTION_AMBIGUITY for synthetic property accessor with smartcasted receiver - [`KT-26768`](https://youtrack.jetbrains.com/issue/KT-26768) K1 IDE: False positive "Smart cast to '$CLASS$' is impossible", on local variable in run closure - [`KT-63525`](https://youtrack.jetbrains.com/issue/KT-63525) K2: "IllegalStateException: Fake override should have at least one overridden descriptor" caused by unreachable code - [`KT-65333`](https://youtrack.jetbrains.com/issue/KT-65333) K2: UNRESOLVED_REFERENCE for java inner class in intersection scope - [`KT-61060`](https://youtrack.jetbrains.com/issue/KT-61060) K2: Rewrite delegate inference - [`KT-63712`](https://youtrack.jetbrains.com/issue/KT-63712) Make it possible to add new stdlib API with SinceKotlin(2.0) - [`KT-63741`](https://youtrack.jetbrains.com/issue/KT-63741) K2: fix visibility inference with overridden + inherited member - [`KT-64488`](https://youtrack.jetbrains.com/issue/KT-64488) K2: False positive DEPRECATED_ACCESS_TO_ENTRY_PROPERTY_FROM_ENUM with context receivers - [`KT-62283`](https://youtrack.jetbrains.com/issue/KT-62283) K2: build Dokka with K2 user project and pass it to CI - [`KT-57585`](https://youtrack.jetbrains.com/issue/KT-57585) K2/MPP: false-negative errors on expect/actual modifiers mismatch - [`KT-66077`](https://youtrack.jetbrains.com/issue/KT-66077) IrFakeOverrideBuilder: NPE from IrJavaIncompatibilityRulesOverridabilityCondition.doesJavaOverrideHaveIncompatibleValueParameterKinds - [`KT-57044`](https://youtrack.jetbrains.com/issue/KT-57044) K2 LL Tests: false-positive 'Overload resolution ambiguity between candidates: \[`@Override`() fun test(): Unit , fun test(): Unit]' - [`KT-66020`](https://youtrack.jetbrains.com/issue/KT-66020) K2: ISE "IrPropertySymbolImpl is unbound. Signature: null" on a property with getter with `@JvmName` - [`KT-62135`](https://youtrack.jetbrains.com/issue/KT-62135) K2, KLIB: Classes are still sorted before serializing them to metadata - [`KT-65866`](https://youtrack.jetbrains.com/issue/KT-65866) \[K/N] Fix java.lang.IllegalArgumentException: Unknown visibility: unknown - [`KT-66005`](https://youtrack.jetbrains.com/issue/KT-66005) K2: "Should not be here: class org.jetbrains.kotlin.fir.expressions.impl.FirResolvedReifiedParameterReferenceImpl" on incorrect comparison of reified type parameter - [`KT-65840`](https://youtrack.jetbrains.com/issue/KT-65840) \[K2] Initializer type mismatch: expected 'Type', actual 'Type' - [`KT-65002`](https://youtrack.jetbrains.com/issue/KT-65002) K2: Incorrect suspend conversion if argument is an aliased functional type - [`KT-65984`](https://youtrack.jetbrains.com/issue/KT-65984) K2 scripting: failure on processing SUPPRESS annotation in the last script statement - [`KT-65680`](https://youtrack.jetbrains.com/issue/KT-65680) K2: Class redeclaration leads to BackendException during IR fake override builder - [`KT-66028`](https://youtrack.jetbrains.com/issue/KT-66028) K2: Convert FirExpectActualDeclarationChecker to platform checker - [`KT-65592`](https://youtrack.jetbrains.com/issue/KT-65592) K2: IrFakeOverrideBuilder: ISE "should not be called" on diamond hierarchy with explicit dependency on annotations.jar - [`KT-65277`](https://youtrack.jetbrains.com/issue/KT-65277) IrFakeOverrideBuilder: NPE from IrJavaIncompatibilityRulesOverridabilityCondition.doesJavaOverrideHaveIncompatibleValueParameterKinds - [`KT-65983`](https://youtrack.jetbrains.com/issue/KT-65983) K2 gradle scripting: "'val' cannot be reassigned" errors - [`KT-60452`](https://youtrack.jetbrains.com/issue/KT-60452) K2 Scripting: implement overriding of the script params - [`KT-65975`](https://youtrack.jetbrains.com/issue/KT-65975) K2: Implicit receivers resolution order in K2 scripting - [`KT-60249`](https://youtrack.jetbrains.com/issue/KT-60249) K2: No unit coercion generated for loops body - [`KT-65937`](https://youtrack.jetbrains.com/issue/KT-65937) K2: order of enum entries changed - [`KT-65933`](https://youtrack.jetbrains.com/issue/KT-65933) K2: Type missmatch in arrays in annotations - [`KT-65343`](https://youtrack.jetbrains.com/issue/KT-65343) JVM IR: Source parameter is lost when copying with DeepCopyIrTreeWithSymbols - [`KT-65103`](https://youtrack.jetbrains.com/issue/KT-65103) K2: IllegalArgumentException: IrErrorCallExpressionImpl(5388, 5392, "Unresolved reference: R?C|<local>/cont|") found but error code is not allowed - [`KT-62788`](https://youtrack.jetbrains.com/issue/KT-62788) K2: difference in annotation inheritance in overriddings - [`KT-65669`](https://youtrack.jetbrains.com/issue/KT-65669) K2: ClassCastException class FirDeclarationStatusImpl cannot be cast to class FirResolvedDeclarationStatus - [`KT-65493`](https://youtrack.jetbrains.com/issue/KT-65493) IrFakeOverrideBuilder: difference in return type for intersection with raw type - [`KT-65207`](https://youtrack.jetbrains.com/issue/KT-65207) IrFakeOverrideBuilder - nullable return type for intersection override - [`KT-65972`](https://youtrack.jetbrains.com/issue/KT-65972) Fix problems related to Unknown visibility in \[FP] intellij - [`KT-65246`](https://youtrack.jetbrains.com/issue/KT-65246) K2: Overiding java method that takes vararg parameter causes WRONG_NULLABILITY_FOR_JAVA_OVERRIDE warning - [`KT-59883`](https://youtrack.jetbrains.com/issue/KT-59883) K2: Disappeared INVALID_IF_AS_EXPRESSION - [`KT-57300`](https://youtrack.jetbrains.com/issue/KT-57300) K2: subclass of MutableCollection with primitive element type has methods with boxed type - [`KT-58476`](https://youtrack.jetbrains.com/issue/KT-58476) Context receivers: "No mapping for symbol: VALUE_PARAMETER" with context-receiver inside suspended lambda calling another suspended function - [`KT-52213`](https://youtrack.jetbrains.com/issue/KT-52213) Context receivers: "No mapping for symbol: VALUE_PARAMETER" caused by contextual suspending function type with receiver - [`KT-56545`](https://youtrack.jetbrains.com/issue/KT-56545) Fix incorrect functions mangling in JVM backend in case of accidental clashing overload in a Java subclass - [`KT-13650`](https://youtrack.jetbrains.com/issue/KT-13650) Right-hand side of a safe assignment is not always evaluated, which can fool smart-casts - [`KT-61823`](https://youtrack.jetbrains.com/issue/KT-61823) K2: Render list of declarations in diagnostic messages with linebreak as separator - [`KT-65302`](https://youtrack.jetbrains.com/issue/KT-65302) IrFakeOverrideBuilder - missing `@EnhancedNullability` - [`KT-65241`](https://youtrack.jetbrains.com/issue/KT-65241) K2: \[LT] Compiler crash on assignment expression with incorrect lvalue - [`KT-60006`](https://youtrack.jetbrains.com/issue/KT-60006) K2: Disappeared EXPRESSION_EXPECTED - [`KT-65817`](https://youtrack.jetbrains.com/issue/KT-65817) K2: Check if callable reference vararg adaption can be affected by primitive type aliases - [`KT-62847`](https://youtrack.jetbrains.com/issue/KT-62847) K2: Introduce FIR node for SAM conversion - [`KT-65920`](https://youtrack.jetbrains.com/issue/KT-65920) K2: no field for delegation is created - [`KT-65487`](https://youtrack.jetbrains.com/issue/KT-65487) K2: Different fake overrides and false positive NOTHING_TO_OVERRIDE for intersection/override with Collection.remove - [`KT-65460`](https://youtrack.jetbrains.com/issue/KT-65460) Don't compare order of functions in IR dump - [`KT-64276`](https://youtrack.jetbrains.com/issue/KT-64276) \[K/N]\[K2] K2 behaviorial difference with inconsistent inheritance of ObjCName - [`KT-65572`](https://youtrack.jetbrains.com/issue/KT-65572) \[K/N]\[K2] INCOMPATIBLE_OBJC_NAME_OVERRIDE error message changed from K1 - [`KT-63420`](https://youtrack.jetbrains.com/issue/KT-63420) Prevent weakening visibility in implicit overrides - [`KT-64635`](https://youtrack.jetbrains.com/issue/KT-64635) K2: "KotlinIllegalArgumentExceptionWithAttachments: Expected expression 'FirAnonymousFunctionExpressionImpl' to be resolved" when provideDelegate is extension of function with receiver - [`KT-63879`](https://youtrack.jetbrains.com/issue/KT-63879) K2: Redundant flag `declaresDefaultValue` for parameter of function inherited from delegate - [`KT-56744`](https://youtrack.jetbrains.com/issue/KT-56744) Prepare language committee ticket about DFA/Smart-cast related changes in K2 - [`KT-65790`](https://youtrack.jetbrains.com/issue/KT-65790) K2: Move check for *private-to-this* visibility into checker - [`KT-65551`](https://youtrack.jetbrains.com/issue/KT-65551) K2: Property redeclaration on native compilation leads to NotImplementedError - [`KT-65770`](https://youtrack.jetbrains.com/issue/KT-65770) K2: Diagnostic rendering of `vararg Foo` parameter produces `vararg Array<Foo>` - [`KT-65555`](https://youtrack.jetbrains.com/issue/KT-65555) K2: must override 'spliterator' because it inherits multiple implementations for it - [`KT-59921`](https://youtrack.jetbrains.com/issue/KT-59921) K2: Disappeared NULL_FOR_NONNULL_TYPE - [`KT-65290`](https://youtrack.jetbrains.com/issue/KT-65290) K2: No override for FUN DEFAULT_PROPERTY_ACCESSOR - [`KT-19446`](https://youtrack.jetbrains.com/issue/KT-19446) False positive "Smart cast to 'Foo' is impossible" due to same variable names in different closures - [`KT-65337`](https://youtrack.jetbrains.com/issue/KT-65337) K2: False positive UNRESOLVED_REFERENCE when lambda labeled by illegal label and operator-invoked - [`KT-65448`](https://youtrack.jetbrains.com/issue/KT-65448) K2: fake overrides are not generated for 'containsAll', 'removeAll', 'retainAll' if inherited from raw type - [`KT-65298`](https://youtrack.jetbrains.com/issue/KT-65298) K2: not nullable return type and parameter for raw types - [`KT-63377`](https://youtrack.jetbrains.com/issue/KT-63377) K2: conflict between type parameter and nested class - [`KT-63286`](https://youtrack.jetbrains.com/issue/KT-63286) K2: Top-level properties in scripts are missing initialization checks - [`KT-59744`](https://youtrack.jetbrains.com/issue/KT-59744) K2: false negative VAL_REASSIGNMENT in case of reassignment inside custom setter - [`KT-58579`](https://youtrack.jetbrains.com/issue/KT-58579) K2: false-positive new inference error on invoking a generic function on Java wildcard type bounded by raw-typed Java inner class - [`KT-60258`](https://youtrack.jetbrains.com/issue/KT-60258) Support java-kotlin interop for `@SubclassOptInRequired` - [`KT-60262`](https://youtrack.jetbrains.com/issue/KT-60262) Support for inter-module interaction for `@SubclassOptInRequired` - [`KT-62878`](https://youtrack.jetbrains.com/issue/KT-62878) K2: missing implicit coercion to unit - [`KT-59715`](https://youtrack.jetbrains.com/issue/KT-59715) K2: Check behaviour of property + operator in operator position - [`KT-63441`](https://youtrack.jetbrains.com/issue/KT-63441) IrFakeOverrideBuilder: "accidental override" when implementing a Java function taking an array parameter - [`KT-65706`](https://youtrack.jetbrains.com/issue/KT-65706) K2: IrFakeOverrideBuilder: ISE "Fake override should have at least one overridden descriptor" on J-K-J-K hierarchy with interface delegation - [`KT-61362`](https://youtrack.jetbrains.com/issue/KT-61362) K2: Properties/fields are missing from system libraries - [`KT-63344`](https://youtrack.jetbrains.com/issue/KT-63344) K2: False positive ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED - [`KT-58845`](https://youtrack.jetbrains.com/issue/KT-58845) K2: SAM checker can run incorrectly in presence of an expect supertype - [`KT-61843`](https://youtrack.jetbrains.com/issue/KT-61843) K2: Missing TYPE_MISMATCH for nested array literals - [`KT-62752`](https://youtrack.jetbrains.com/issue/KT-62752) expect-actual matcher/checker: return type must be "checking" incompatibility - [`KT-59887`](https://youtrack.jetbrains.com/issue/KT-59887) K2: Disappeared ACTUAL_MISSING - [`KT-65604`](https://youtrack.jetbrains.com/issue/KT-65604) K2: INAPPLICABLE_JVM_NAME: effective modality - [`KT-65637`](https://youtrack.jetbrains.com/issue/KT-65637) Prepare documentation for PCLA implementation - [`KT-65341`](https://youtrack.jetbrains.com/issue/KT-65341) K2: "Cannot find cached type parameter by FIR symbol" caused by not-null assertion operator inside string in throw - [`KT-49283`](https://youtrack.jetbrains.com/issue/KT-49283) Support contribution type info from a nested builder inference call - [`KT-64077`](https://youtrack.jetbrains.com/issue/KT-64077) K2: Builder inference ignores constraints from nested builder inference - [`KT-49160`](https://youtrack.jetbrains.com/issue/KT-49160) Couldn't infer a type argument through several builder inference calls broken by a local class - [`KT-63827`](https://youtrack.jetbrains.com/issue/KT-63827) K2: Array += desugaring doesn't have origin - [`KT-65057`](https://youtrack.jetbrains.com/issue/KT-65057) K2: Wrong type inferred in code with heavy use of generics - [`KT-63514`](https://youtrack.jetbrains.com/issue/KT-63514) ISE “Inline class types should have the same representation: \[I != I” during compilation on submitting UIntArray to vararg - [`KT-61088`](https://youtrack.jetbrains.com/issue/KT-61088) K2: return types of non-last-expression calls to `@PolymorphicSignature` methods inside try-expressions don't resolve to void when required - [`KT-62476`](https://youtrack.jetbrains.com/issue/KT-62476) K2: Enable building fake overrides by ir on non-JVM targets - [`KT-59839`](https://youtrack.jetbrains.com/issue/KT-59839) Prohibit `header` and `impl` in MPP - [`KT-61310`](https://youtrack.jetbrains.com/issue/KT-61310) K2: "Not enough information to infer type variable R" for transformLatest - [`KT-63733`](https://youtrack.jetbrains.com/issue/KT-63733) Builder-style type inference can't resolve to extension overloads when they're more applicable than member ones - [`KT-57707`](https://youtrack.jetbrains.com/issue/KT-57707) K1: inconsistent TYPE_MISMATCH in builder inference - [`KT-55057`](https://youtrack.jetbrains.com/issue/KT-55057) Builder inference changes behaviour sporadically based on BI annotation on unrelated call - [`KT-60663`](https://youtrack.jetbrains.com/issue/KT-60663) Builder inference does not work inside a nested unrelated builder inference lambda - [`KT-53639`](https://youtrack.jetbrains.com/issue/KT-53639) TYPE_MISMATCH: compiler can't infer the list's type when using `buildList {}` builder or `Collection#isNotEmpty` - [`KT-60291`](https://youtrack.jetbrains.com/issue/KT-60291) K2: "IllegalStateException: Cannot serialize error type: ERROR CLASS: Cannot infer argument for type parameter T" during FIR serialization - [`KT-65033`](https://youtrack.jetbrains.com/issue/KT-65033) K2: Fir2LazyIr: Lazy type aliases not supported - [`KT-57709`](https://youtrack.jetbrains.com/issue/KT-57709) Inconsistent extension function call resolution in builder inference - [`KT-53740`](https://youtrack.jetbrains.com/issue/KT-53740) Builder inference with multiple lambdas leads to unsound type - [`KT-60877`](https://youtrack.jetbrains.com/issue/KT-60877) Builder inference from the null literal results in Nothing instead of Nothing? for producing positions of the postponed type variable - [`KT-53553`](https://youtrack.jetbrains.com/issue/KT-53553) Builder inference: inconsistent types in different lambda scopes - [`KT-54400`](https://youtrack.jetbrains.com/issue/KT-54400) K2: builder inference does not work with assignments of literals to member properties - [`KT-63840`](https://youtrack.jetbrains.com/issue/KT-63840) Builder inference fails on calls to identity-shaped functions with postponed type variables inside select-constructions - [`KT-65262`](https://youtrack.jetbrains.com/issue/KT-65262) K2: Exception in DFA for combination of try-finally + PCLA + DI - [`KT-58169`](https://youtrack.jetbrains.com/issue/KT-58169) K2: make equals bounded smart casts work the same as in K1 - [`KT-64967`](https://youtrack.jetbrains.com/issue/KT-64967) K2: false positive TYPE_MISMATCH with generic type parameters - [`KT-64102`](https://youtrack.jetbrains.com/issue/KT-64102) K2: Missing (disappeared in this case) DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETER_ERROR - [`KT-63988`](https://youtrack.jetbrains.com/issue/KT-63988) K2: Reflection cannot find type of local class of local class - [`KT-63901`](https://youtrack.jetbrains.com/issue/KT-63901) K2: Different naming of inner class in metadata - [`KT-63655`](https://youtrack.jetbrains.com/issue/KT-63655) K2: incorrect short class name in metadata for anonymous object inside a local class - [`KT-59664`](https://youtrack.jetbrains.com/issue/KT-59664) Inline modifier can be added to a constructor parameter, but it does not have any effect - [`KT-59418`](https://youtrack.jetbrains.com/issue/KT-59418) K2: Missing DUPLICATE_PARAMETER_NAME_IN_FUNCTION_TYPE - [`KT-63612`](https://youtrack.jetbrains.com/issue/KT-63612) K2: Class is not abstract and does not implement abstract member - [`KT-63737`](https://youtrack.jetbrains.com/issue/KT-63737) Wasm: revise external declaration FE checker for WASI mode - [`KT-59782`](https://youtrack.jetbrains.com/issue/KT-59782) K2: Forbid local delegated properties with private accessors in public inline functions - [`KT-65482`](https://youtrack.jetbrains.com/issue/KT-65482) K2: NoSuchFieldError due to using unboxed type - [`KT-61182`](https://youtrack.jetbrains.com/issue/KT-61182) Unit conversion is accidentally allowed to be used for expressions on variables + invoke resolution - [`KT-62998`](https://youtrack.jetbrains.com/issue/KT-62998) Forbid assignment of a nullable to a not-null Java field as a selector of unsafe assignment - [`KT-63208`](https://youtrack.jetbrains.com/issue/KT-63208) K2: Implement deprecation cycle and fix missing errors for error-level nullable arguments of warning-level Java types - [`KT-57600`](https://youtrack.jetbrains.com/issue/KT-57600) Forbid overriding of Java method with raw-typed parameter with generic typed parameter - [`KT-63147`](https://youtrack.jetbrains.com/issue/KT-63147) K2: False negative DSL_SCOPE_VIOLATION when member is annotated with `@LowPriorityInOverloadResolution` - [`KT-62134`](https://youtrack.jetbrains.com/issue/KT-62134) K2: handle non-simple types during FirStatusResolver.isPrivateToThis check - [`KT-42020`](https://youtrack.jetbrains.com/issue/KT-42020) Psi2ir: IllegalStateException: "IrSimpleFunctionPublicSymbolImpl for public \[...] is already bound" on generic function whose substitution leads to IdSignature clash ##### See the full 2.0.0 ChangeLog here - https://github.com/JetBrains/kotlin/blob/2.0.0/ChangeLog.md </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS45NS4wIiwidXBkYXRlZEluVmVyIjoiMzkuMTI3LjAiLCJ0YXJnZXRCcmFuY2giOiJtYWluIiwibGFiZWxzIjpbInJlbm92YXRlIl19-->

renovatebot added 1 commit 2025-01-08 16:26:08 +01:00

chore(deps): update dependency org.jetbrains.kotlin:kotlin-maven-plugin to v2 ... c7008a5cc2

Signed-off-by: RenovateBot <renovatebot@w9r.dev>

oliver was assigned by renovatebot 2025-01-08 16:26:09 +01:00

requested review from oliver 2025-01-08 16:26:09 +01:00

renovatebot force-pushed renovate/major-kotlin-monorepo from c7008a5cc2 to 22e56b4c1a 2025-01-08 17:01:04 +01:00 Compare

renovatebot force-pushed renovate/major-kotlin-monorepo from 22e56b4c1a to 725a07fb47 2025-01-08 18:44:38 +01:00 Compare

renovatebot force-pushed renovate/major-kotlin-monorepo from 725a07fb47 to 2a666ac61e 2025-01-09 11:01:16 +01:00 Compare

renovatebot force-pushed renovate/major-kotlin-monorepo from 2a666ac61e to ef2cb22e83 2025-01-10 07:55:31 +01:00 Compare

renovatebot force-pushed renovate/major-kotlin-monorepo from ef2cb22e83 to b0087a513e 2025-01-15 17:02:14 +01:00 Compare

renovatebot force-pushed renovate/major-kotlin-monorepo from b0087a513e to 5e47f284b7 2025-01-21 21:01:35 +01:00 Compare

renovatebot force-pushed renovate/major-kotlin-monorepo from 5e47f284b7 to 4283e3d5e5 2025-02-01 23:05:38 +01:00 Compare

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Reference: pom/spring-boot-starter#8

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