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Changelog

Backend. Wasm

• KT-59720 K/Wasm: update to final opcodes

Compiler

• KT-62027 «java.lang.IndexOutOfBoundsException: Empty list doesn’t contain element at index 0» caused by ClassicExpectActualMatchingContext.kt when annotation @AllowDifferentMembersInActual used
• KT-61668 Put expect/actual diagnostics introduced in 1.9.20 release under 1.9 Language Version
• KT-61645 K2/KMP: Set stdlib-native before stdlib-commonMain in dependencies for shared native metadata compilation
• KT-61924 Native: problem with abstract fake override from Any
• KT-61725 KMP: Annotation matching requirement for expect/actual leads to errors for annotations with @OptionalExpectation
• KT-61784 KMP: [DEFAULT_ARGUMENTS_IN_EXPECT_WITH_ACTUAL_TYPEALIAS] checker missed for companion functions
• KT-61167 Runtime failure: ReferenceError: MyPromise is not defined
• KT-59094 K2: Fix Scripting K2 tests

IDE. Navigation

• KT-61894 Navigation from java sources leads to Kotlin decompiled code in case of suspend function

Native. C and ObjC Import

• KT-56369 Hint about «-fmodules» is not shown

Tools. Compiler Plugin API

• KT-61872 K2: Adding annotations to metadata from backend plugin doesn’t work in the presence of comments on annotated declaration
• KT-61833 K2: annotations added via addMetadataVisibleAnnotationsToElement to declarations from common sourceset in MPP project are invisible

Tools. Gradle

• KT-61401 The reported language version value for KotlinNativeLink tasks in build reports and build scans is inaccurate
• KT-61950 K/Wasm: Add warning about changed sourceSets
• KT-61895 KotlinTopLevelExtension.useCompilerVersion is not marked as experimental

Tools. Gradle. Multiplatform

• KT-59042 «Cannot build ‘KotlinProjectStructureMetadata’ during project configuration phase» when configuration cache enabled
• KT-61652 MPP ConcurrentModificationException on transformCommonMainDependenciesMetadata
• KT-61622 Upgrading to Kotlin 1.9 prevents commonMain sourceset classes from being processed by kapt/ksp (dagger/Hilt)

Tools. Gradle. Native

• KT-61700 Native: linkDebugExecutableNative has duplicated freeCompilerArgs

Tools. Wasm

• KT-61971 K/Wasm: wasmWasiTest should depends on kotlinNodeJsSetup

Checksums

Changelog

Analysis API

New Features

• KT-58834 Analysis API: Add source shadowing feature to resolve extensions

Performance Improvements

• KT-57515 LL FIR: Performance bottleneck in CompositeModificationTracker.getModificationCount
• KT-59266 K2: optimize FirElementBuilder.getOrBuildFir for elements outside body
• KT-59454 K2: drop resolve from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations
• KT-59453 K2: completion regression from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations
• KT-59189 Analysis API: KtFirKDocReference.resolveToSymbols is slow
• KT-58125 K2: LL FIR: KtToFirMapping.getElement is slow for KtUserTypes due to on-air resolution of types

Fixes

• KT-60940 K2: Analysis API: Reference shortener incorrectly handles types in vararg parameters declarations
• KT-61026 K2 Scripts: FirLazyExpression should be calculated before accessing from on-air resolve
• KT-61009 K2 Scripts: KtFirExpressionTypeProvider: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
• KT-60357 K2 IDE. Reified types parameters are not resolved in a function body
• KT-60954 K2: Analysis API: Reference shortener does not work correctly with variable assignments
• KT-60317 K2 IDE. IAE «This method will only work on compiled declarations, but this declaration is not compiled» on invoking Find Usages for enum method in library
• KT-60728 K2: proper support for scripts in LL FIR transformers
• KT-60706 K2 IDE: FirJvmTypeMapper is not found for kotlin.kotlin-stdlib-common
• KT-57743 K2 IDE: StackOverflowError from LLFirSessionCache for simple JPS project with cyclic dependencies
• KT-60552 K2: merge StateKeeper and lazy body calculator for ANNOTATIONS_ARGUMENTS_MAPPING transformer
• KT-60641 Analysis API: Scope for class org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl not found exception when stdlib is missing
• KT-60586 K2: forbid analyze from write action
• KT-60638 K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
• KT-54846 Analysis API: add isExpect/isActual to KtSymbol
• KT-59077 KtFirExpressionTypeProvider behaviour for KtSimpleNameReferences in function calls
• KT-60448 FirLazyResolveContractViolationException: lazyResolveToPhase(COMPILER_REQUIRED_ANNOTATIONS) cannot be called from a transformer with a phase COMPILER_REQUIRED_ANNOTATIONS from AllOpen plugin
• KT-59342 K2 IDE. FirLazyResolveContractViolationException: lazyResolveToPhase(TYPES) cannot be called from a transformer with a phase TYPES
• KT-59687 K2: Implement proper body update for in-block modifications
• KT-60488 Analysis API: forbid providing custom KtLifetimeToken for every analyze call
• KT-59329 Resolve Extensions reference resolution breaks Find Usages
• KT-60295 K2: move checkIsResolved for annotations from LLFirAnnotationArgumentsLazyResolver to LLFirTypeLazyResolver
• KT-59758 K2: Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImplWithoutSource from ReturnTypeCalculatorWithJump
• KT-60377 K2 IDE: This method will only work on compiled declarations, but this declaration is not compiled
• KT-59685 K2: rewrite on-air resolution
• KT-59159 K2 IDE: declaration is not found exception
• KT-59297 K2: exception from body resolve leads to corrupted state and broken analysis
• KT-60132 K2: properties and functions without a name should be re-analyzable as well
• KT-59199 K2 IDE: PSI changes which do not cause OOB modifications can be unseen from the FIR elements
• KT-59667 Analysis API: PsiInvalidElementAccessException from JavaClassifierTypeImpl.substitutor
• KT-59705 KotlinExceptionWithAttachments: No fir element was found for getter
• KT-59697 AA standalone: JRT module paths are not properly populated in Windows
• KT-59505 K2: implicit type lazy resolution doesn’t work for delegated declaration from other module
• KT-56426 K2 IDE: Typealised functional types cannot be rendered
• KT-59598 AA: stackoverflow while simplifying a type with a recursive type parameter
• KT-58497 K2: Expected FirResolvedTypeRef for initializer type of FirPropertyImpl(Source) but FirImplicitTypeRefImplWithoutSource found
• KT-59511 AA standalone mode creates Application Environment for tests
• KT-58161 Analysis API: Make methods in KtCallResolverMixIn more distinctive based on their receiver/return type
• KT-59093 Do not throw exception on KtCall resolution, KtCallElement.resolveCall should return null on unknown cases
• KT-59240 K2: FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from superTypes
• KT-59243 K2: FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from permits types
• KT-58194 K2: Low Level API: use smart pointers to store references to PSI from FIR declarations for JavaElement
• KT-59133 K2: java.lang.IllegalStateException: Fir is not initialized for FirRegularClassSymbol
• KT-58174 K2: LL FIR: Invalid type reference for T & Any type
• KT-52615 LL FIR: build RAW FIR only by stubs
• KT-55053 K2: Exception «lateinit property diagnostic has not been initialized» in FirBuilder
• KT-58580 K2: LL FIR: Declarations provided by resolve extensions from a dependency module are not visible through LLFirCombinedKotlinSymbolProvider
• KT-58992 Analysis API: move org.jetbrains.kotlin.analysis.api.fir.utils.addImportToFile out of Analysis API
• KT-58727 K2: AA FIR: implicit type in delegated function treated as error
• KT-58653 K2: Analysis API: add functions for KtScope members access by name
• KT-57559 K2 IDE: KotlinExceptionWithAttachments: Modules are inconsistent on intellij project
• KT-58262 Analysis API: Declarations from Analysis API Resolve Extensions are not seen from completion
• KT-57455 LL FIR: Combine AbstractFirDeserializedSymbolProviders in session dependencies (optimization)
• KT-57207 LL FIR: Combine JavaSymbolProviders in session dependencies (optimization)
• KT-58546 K2: LL FIR: support name collision in a designation path
• KT-58495 K2: Lazy calculation is redundant
• KT-58500 K2: null cannot be cast to non-null type org.jetbrains.kotlin.fir.FirPureAbstractElement
• KT-58493 K2: Expected FirResolvedTypeRef for default value type of FirValueParameterImpl(Source) but FirUserTypeRefImpl found
• KT-58496 K2: Expected FirNamedReference, FirErrorNamedReference or FirFromMissingDependenciesNamedReference, b…

Changelog

Compiler

• KT-60769 Partially revert KT-58371
• KT-60659 Incorrect ‘unresolved reference: addFirst’ error with JDK 21
• KT-60371 Native custom allocator link error
• KT-60986 Native: static caches with custom runtime options are broken on Linux
• KT-60770 Fix false-positive ABSTRACT_MEMBER_NOT_IMPLEMENTED on toArray with JDK 21
• KT-60231 NoClassDefFoundError: $$$$$NON_LOCAL_RETURN$$$$$ after upgrade to Kotlin 1.9.0

JavaScript

• KT-60785 KJS: Destructured value class in suspend function fails with Uncaught TypeError: can’t convert to primitive type error
• KT-60852 Kotlin JS(IR): IllegalArgumentException: Cross module dependency resolution failed when updating to Kotlin 1.9.0
• KT-57509 KJS: Compiler generates native JS operator == for comparing values with Any type

Native

• KT-60230 Native: «unknown options: -ios_simulator_version_min -sdk_version» with Xcode 15 beta 3
• KT-60758 Native: Building for ‘iOS-simulator’, but linking in dylib built for ‘iOS’ in Xcode 15 beta 4

Native. C and ObjC Import

• KT-59167 Native: cinterop is unable to build interop libraries against the Xcode 15 Beta 1

Tools. Gradle

• KT-61147 Kotlin Compiler 1.9.0 bundles a stripped unshadowed version of Gson
• KT-60543 NoClassDefFoundError for com/gradle/scan/plugin/BuildScanExtension

Checksums

Changelog

Analysis API

New Features

• KT-57930 Analysis API: provide an API for extending Kotlin resolution
• KT-57636 K2: Add the return type of K2 reference shortener AA ShortenCommand::invokeShortening() e.g., ShorteningResultInfo to allow callers to access the shortening result PSI

Fixes

• KT-58249 Analysis API: Disable error logging for FE10 implementation of resolveCall when resolve is not successful
• KT-55626 Impossible to restore symbol by psi from script file
• KT-57314 LL FIR: Combine LLFirProvider$SymbolProviders in session dependencies (optimization)
• KT-55527 K2 IDE: Rewrite KtScopeContext class to allow to handle each scope separately
• KT-55329 LL FIR: Unexpected ACTUAL_WITHOUT_EXPECT error on constructor and function declaration
• KT-50732 LL API: fix compiler based tests
• KT-57850 K2: contract violation due to SymbolLightAccessorMethod.propertyAccessorSymbol
• KT-56543 LL FIR: rework lazy transformers so transformers modify only declarations they suppose to
• KT-56721 K2: FirExtensionDeclarationsSymbolProvider: java.lang.IllegalStateException: Recursive update
• KT-50253 Analysis API: Solve issues with ProcessCancelledException
• KT-56800 K2 IDE: optimize deprecation calculation for symbols
• KT-55006 Analysis API does not transform Java type refs for callable symbol return types
• KT-57256 AA FIR: Reduce lazy resolve phase for deprecation status
• KT-57619 K2: CFG for class initializer is not correctly built in reversed resolve mode
• KT-58141 K2: AA FIR: impossible to restore symbol for declaration with annotation with argument inside type
• KT-57462 Symbol Light Classes: SymbolLightFieldForProperty should retrieve annotations not from KtPropertySymbol, but from the corresponding backing field
• KT-54864 Analysis API: add function to get expect KtSymbol list by actual KtSymbol
• KT-56763 Analysis API: .KtSourceModuleImpl is missing in the map. on symbol restore when symbol cannot be seen from the use-site module
• KT-56617 Analysis API: optimize KtFirSymbolProviderByJavaPsi.getNamedClassSymbol
• KT-54430 K2: .getAllOverriddenSymbols() returns invalid results

Backend. Native. Debug

• KT-55440 Kotlin/Native debugger: inline function parameters are not visible during debugging

Backend. Wasm

• KT-58293 Wasm: ReferenceError: e is not defined in kotlin.test.jsThrow
• KT-58931 Wasm tests are failing to start on Kotlin 1.9.0-Beta
• KT-58188 Restore binary compatibility of PlatformDiagnosticSuppressor.shouldReportUnusedParameter
• KT-57136 K/Wasm: Restrict non-external types in JS interop
• KT-57060 Clarify the lack of support for dynamic in Kotlin/Wasm
• KT-56955 K/Wasm: Support restricted version of K/JS js(code)
• KT-57276 Wasm: «Body not found for function» error when compiling konform library with Kotlin/Wasm support
• KT-56976 K/Wasm bug with calling override of external function with default parameters

Compiler

New Features

• KT-55333 Allow secondary constructors in value classes with bodies
• KT-54944 @Volatile support in native
• KT-54746 Deprecate with ERROR JvmDefault annotation and old -Xjvm-default modes
• KT-47902 Do not propagate method deprecation through overrides
• KT-29378 K2: rework warnings/errors for equality/identity operators on incompatible types
• KT-57477 False-positive overload resolution ambiguity in case of lambda without arguments
• KT-57010 Kotlin/Native: make it possible to compile bitcode in a separate compiler invocation
• KT-55691 K2: Avoid inferring Nothing? in presence of other constraints (beside type parameter bounds)
• KT-46288 Unexpected behavior of extension function on lambda with suspend receiver
• KT-24779 Inconsistent smart cast behavior for bound data flow values

Performance Improvements

• KT-23397 Optimize out field for property delegate when it’s safe (JVM)
• KT-56906 FIR: Use cached instance of FirImplicitTypeRefImpl in FIR builders
• KT-56276 LanguageVersion.getVersionString() allocates 5k objects on project opening

Fixes

• KT-57784 «NullPointerException: Parameter specified as non-null is null:» with enum, companion object, ‘entries’ and map
• KT-55217 K2: support callable reference conversions on top-level expressions
• KT-57232 K2: build Space JVM (master)
• KT-59079 «AE: SyntheticAccessorLowering should not attempt to modify other files!» with callable reference to constructor with value class parameter
• KT-58837 Partial linkage fails to report any compiler message on Windows when launched through Gradle plugin
• KT-57602 K2: Rework member scope of types having projection arguments for covariant parameters
• KT-55171 Put new contracts syntax under a feature flag
• KT-58719 K2: false-positive INVISIBLE_REFERENCE error in case of importing an internal abstract class
• KT-56030 [K2/N] Support Objective-C overloading by param names only
• KT-57510 K2: Data class equals/hashCode/toString methods are not written to Klib metadata
• KT-56331 K2: compiler backend crash on usage of expected function with default arguments
• KT-53846 K2 / Context receivers: ClassCastException on secondary constructor of class with context receiver
• KT-58621 K2: Private class shadows public function defined in the same package
• KT-59102 K2: constant evaluator does not provide Long type on shl
• KT-59066 [K2] delegation leads to «IllegalStateException: Expected some types»
• KT-56074 K2: build Space JVM (snapshot 2022.3)
• KT-58787 KAPT: «NullPointerException: null cannot be cast to non-null type» with delegate
• KT-57022 K2 IllegalStateException in signature computation
• KT-56792 K2: build kotlinpoet
• KT-57373 K2: FIR properties synthesized when implementing interface by delegation don’t have accessors
• KT-56583 K1: Implement opt-in for integer cinterop conversions
• KT-59030 [PL] Workaround for broken @Deprecated annotations in c-interop KLIBs
• KT-58618 K2: Local property delegates cannot infer generic return type
• KT-36770 Prohibit unsafe calls with expected @NotNull T and given Kotlin generic parameter with nullable bound
• KT-56739 K2: build Space iOS
• KT-57131 K2: stdlib test compilation fails on ListTest.kt in FirJvmMangleComputer
• KT-58137 K2: ISE «Usage of default value argument for this annotation is not yet possible» when instan…

Changelog

Backend. Wasm

• KT-58188 Restore binary compatibility of PlatformDiagnosticSuppressor.shouldReportUnusedParameter
• KT-58293 Wasm: ReferenceError: e is not defined in kotlin.test.jsThrow
• KT-58931 Wasm tests are failing to start on Kotlin 1.9.0-Beta

Compiler

Fixes

• KT-58621 K2: Private class shadows public function defined in the same package
• KT-59102 K2: constant evaluator does not provide Long type on shl
• KT-59079 «AE: SyntheticAccessorLowering should not attempt to modify other files!» with callable reference to constructor with value class parameter
• KT-58787 KAPT: «NullPointerException: null cannot be cast to non-null type» with delegate
• KT-58837 Partial linkage fails to report any compiler message on Windows when launched through Gradle plugin
• KT-59030 [PL] Workaround for broken @Deprecated annotations in c-interop KLIBs
• KT-58618 K2: Local property delegates cannot infer generic return type
• KT-58897 K2: False positive unresolved reference with same-named enum class and its entry
• KT-56927 Enum with secondary constructor can’t be compiled with K2 using JS/Native backend
• KT-57570 Remove source code excerpts from platform type nullability assertion exceptions
• KT-52774 Resolve unqualified enum constants based on expected type

IDE. Gradle Integration

• KT-59034 MPP build failed with «Factory type is not known for plugin variants» in kt-231-*

JavaScript

• KT-58570 KJS: ES6 classes + PL throw java.lang.NullPointerException
• KT-58835 K2/JS: Fix incremental compilation klib tests
• KT-58794 KJS / K2: Assertion failed with Space build

Libraries

• KT-58985 Update KClass.isData KDoc
• KT-58276 Deprecate redundant public declarations in kotlin.native.concurrent

Native. ObjC Export

• KT-58839 K/N: Exception during HiddenFromObjC marked class extension function compiling

Tools. Compiler plugins. Serialization

• KT-58918 Serialization: NPE at run time obtaining a serializer for a sealed class with a generic self-referencing property
• KT-58954 Serialization: NPE at run time when accessing a delegating property of a deserialized object
• KT-59113 Serialization: NPE at run time when accessing a delegating property of a deserialized object
• KT-57647 Serialization: «IllegalAccessError: Update to static final field» caused by serializable value class

Tools. Gradle

• KT-59256 [1.9.0-Beta] ServiceLoader does not pick up classes defined in the same project
• KT-58662 Gradle 8.1 + Configuration Cache: custom values data is missing from build report
• KT-59063 Explicit API mode broken in Kotlin 1.9.0-Beta
• KT-59191 Actual compilation failure exception might be hidden in the case of a Kotlin daemon crash
• KT-59056 FreeCompilerArgs options added using ‘subprojects’ extension override module-level freeCompilerArgs options
• KT-55740 Gradle 8: Listener registration using Gradle.addBuildListener() has been deprecated
• KT-58251 Build Statistics. Kotlin-specific tags are missing in build scans if projects use Gradle 8+
• KT-58916 [1.9.0-Beta] PLUGIN_CLASSPATH_CONFIGURATION_NAME and NATIVE_COMPILER_PLUGIN_CLASSPATH_CONFIGURATION_NAME should stay public or offer an alternative API
• KT-58869 K2, Gradle: Improve message «100% (2/2) tasks have compiled with Kotlin 2»

Tools. Gradle. JS

• KT-59116 K/JS npm dependcies are not resolved properly on Kotlin 1.9
• KT-58970 browserTest gradle task fails if karma is used and gradle configuration cache is enabled
• KT-59004 Kotlin JS 1.9.0-Beta, yarn.lock is unstable in multi module project

Tools. Gradle. Multiplatform

• KT-57903 Prepare for migration to the pluggable android target plugin
• KT-58661 KGP: KotlinJvmTarget: Implement ‘run’ carrier task
• KT-59055 KotlinJvmRun not respecting jvmToolchain setting

Tools. Gradle. Native

• KT-57823 KotlinNativeCompileOptions.moduleName value is ignored and replaced with the default one if to set up using compilations
• KT-58838 KGP/Multiplatform: 1.9.0-Beta with custom cinterops: IllegalStateException: Could not create domain object ‘jni’ (DefaultCInteropSettings)

Tools. Incremental Compile

• KT-58986 New IC: ISE «The following LookupSymbols are not yet converted to ProgramSymbols: LookupSymbol(name=$$delegatedProperties, …)»

Tools. Parcelize

• KT-59112 K2: «IllegalStateException: Function has no body with @Parcelize» on nested sealed class hierarchies

Checksums

Changelog

Tools. Gradle

• KT-58280 org.jetbrains.kotlin.jvm Gradle plugin contributes build directories to the test compile classpath

Checksums

Changelog

Analysis API

New Features

• KT-57930 Analysis API: provide an API for extending Kotlin resolution
• KT-57636 K2: Add the return type of K2 reference shortener AA ShortenCommand::invokeShortening() e.g., ShorteningResultInfo to allow callers to access the shortening result PSI

Fixes

• KT-55626 Impossible to restore symbol by psi from script file
• KT-57314 LL FIR: Combine LLFirProvider$SymbolProviders in session dependencies (optimization)
• KT-55527 K2 IDE: Rewrite KtScopeContext class to allow to handle each scope separately
• KT-55329 LL FIR: Unexpected ACTUAL_WITHOUT_EXPECT error on constructor and function declaration
• KT-50732 LL API: fix compiler based tests
• KT-57850 K2: contract violation due to SymbolLightAccessorMethod.propertyAccessorSymbol
• KT-56543 LL FIR: rework lazy transformers so transformers modify only declarations they suppose to
• KT-56721 K2: FirExtensionDeclarationsSymbolProvider: java.lang.IllegalStateException: Recursive update
• KT-50253 Analysis API: Solve issues with ProcessCancelledException
• KT-56800 K2 IDE: optimize deprecation calculation for symbols
• KT-55006 Analysis API does not transform Java type refs for callable symbol return types
• KT-57256 AA FIR: Reduce lazy resolve phase for deprecation status
• KT-58141 K2: AA FIR: impossible to restore symbol for declaration with annotation with argument inside type
• KT-57462 Symbol Light Classes: SymbolLightFieldForProperty should retrieve annotations not from KtPropertySymbol, but from the corresponding backing field
• KT-58249 Analysis API: Disable error logging for FE10 implementation of resolveCall when resolve is not successful
• KT-54864 Analysis API: add function to get expect KtSymbol list by actual KtSymbol
• KT-56763 Analysis API: .KtSourceModuleImpl is missing in the map. on symbol restore when symbol cannot be seen from the use-site module
• KT-56617 Analysis API: optimize KtFirSymbolProviderByJavaPsi.getNamedClassSymbol
• KT-54430 K2: .getAllOverriddenSymbols() returns invalid results

Backend. Native. Debug

• KT-55440 Kotlin/Native debugger: inline function parameters are not visible during debugging

Backend. Wasm

• KT-57136 K/Wasm: Restrict non-external types in JS interop
• KT-57060 Clarify the lack of support for dynamic in Kotlin/Wasm
• KT-56955 K/Wasm: Support restricted version of K/JS js(code)
• KT-57276 Wasm: «Body not found for function» error when compiling konform library with Kotlin/Wasm support
• KT-56976 K/Wasm bug with calling override of external function with default parameters
• KT-56584 K/Wasm: Can’t link symbol class

Compiler

New Features

• KT-49276 Warn about potential overload resolution change if Range/Progression starts implementing Collection
• KT-55333 Allow secondary constructors in value classes with bodies
• KT-54944 @Volatile support in native
• KT-54746 Deprecate with ERROR JvmDefault annotation and old -Xjvm-default modes
• KT-29378 K2: rework warnings/errors for equality/identity operators on incompatible types
• KT-57010 Kotlin/Native: make it possible to compile bitcode in a separate compiler invocation
• KT-55691 K2: Avoid inferring Nothing? in presence of other constraints (beside type parameter bounds)
• KT-46288 Unexpected behavior of extension function on lambda with suspend receiver
• KT-24779 Inconsistent smart cast behavior for bound data flow values

Performance Improvements

• KT-56906 FIR: Use cached instance of FirImplicitTypeRefImpl in FIR builders
• KT-56276 LanguageVersion.getVersionString() allocates 5k objects on project opening

Fixes

• KT-56609 K2: False positive NULL_FOR_NONNULL_TYPE with -Xjsr305=strict and @Nullable annotation Java parameter
• KT-56656 K1/K2: inconsistent NOTHING_TO_OVERRIDE with complex nullable annotations
• KT-58332 K2: local fun with suspend type is not marked as suspend in IR
• KT-57991 K2: Modifier ‘suspend’ is not applicable to ‘anonymous function’
• KT-4113 No smartcast for nullable lambda property (functional type) with implicit/operator invoke call
• KT-54294 K2: «Not all type variables found» in builder inference with type parameters inferred through a union of two branches
• KT-52597 Provide Alpha Support for Multiplatform in the K2 platform
• KT-58523 K2: reference is resolved to imported type-alias instead of identically named top-level property
• KT-57098 Native: avoid object initialization while accessing const val
• KT-57973 32-th default value in inline classes override function is not used
• KT-57714 «IllegalStateException: <B::!>» using reified generics
• KT-57810 toString of object erroneously considered as constant function in string concatenation
• KT-58076 K2: Incorrect inference of type of labeled receiver
• KT-57929 K2: Arguments of annotations are not calculated in a lot of strange locations
• KT-55388 Consider enabling ProhibitUsingNullableTypeParameterAgainstNotNullAnnotated
• KT-53041 NPE in Kotlin 1.7.0 when using RxJava Maybe.doOnEvent with anonymous parameters
• KT-54829 Cleanup local types approximation logic
• KT-38871 Kotlin Gradle DSL, MPP: UNUSED_VARIABLE when configuring a sourceset with delegated property
• KT-58587 MUST_BE_INITIALIZED must take into account effectivelly final
• KT-58524 K2: false-positive overload resolution ambiguity error on invoking a generic class’s member function with id-shaped function-typed parameter on intersection-typed receiver
• KT-53929 Enum.entries: consider changing scope behavior in K1
• KT-58520 K2: FIR2IR: ISE during const evaluation of operator times with exposed
• KT-56662 K1: false negative INVISIBLE_SETTER for a var with internal setter accessed from a derived class
• KT-57770 K2: Support generation of serializer if base class for serializable class declared in different module
• KT-58375 Kapt: «wrong number of type arguments. required 1» when more than 22 type arguments
• KT-56077 K2: build atomicfu
• KT-56074 K2: build Space JVM (snapshot 2022.3)
• KT-48870 [FIR] Different behavior for explicit receiver resolution inside delegated constructors
• KT-53865 Partial linkage: overriding function with parameter losing vararg: Native is successful, JS fails in runtime
• KT-53568 Partial linkage: absent class as type parameter bound causes failure of compileProductionExecutableKotlinJs
• [KT-53608](https://youtrack.jetbrains.com/iss…

Changelog

Compiler

• KT-57848 Native: compilation of dynamic/static library fails with Xcode 14.3
• KT-57875 Native compilation failure: Suspend functions should be lowered out at this point, but FUN LOCAL_FUNCTION_FOR_LAMBDA
• KT-57946 KAPT: «RuntimeException: No type for expression» with delegate

JavaScript

• KT-57356 KJS: StackOverflowException on @JsExport with type parameters referring to one another

Tools. Commonizer

• KT-57796 NoSuchFileException in :module-B:commonizeCInterop with Kotlin 1.8.20

Tools. Compiler plugins. Serialization

• KT-58067 Serialization: NullPointerException caused by @Contextual property with type with generic
• KT-57730 Serialization: «IllegalStateException: Serializer for element of type .Foo has not been found» caused by serialization of Java type

Tools. Gradle. JS

• KT-57766 KJS / Gradle «Module not found: Error: Can’t resolve ‘kotlin-kotlin-stdlib-js-ir'» when using «useEsModules»

Tools. Kapt

• KT-58027 Kotlin 1.8.20 kapt issue «null: KtCallExpression: build()»

Tools. Maven

• KT-58048 Maven: «Too many source module declarations found» after upgrading to 1.8.20
• KT-58101 ‘Unable to access class’ in kotlin-maven-plugin after updating to Kotlin 1.8.20

Checksums

Changelog

Analysis API

• KT-55510 K2: Lost designation for local classes
• KT-55191 AA: add an API to compare symbol pointers
• KT-55487 K2: symbol pointer restoring doesn’t work for static members
• KT-55336 K2 IDE: «java.lang.IllegalStateException: Required value was null.» exception while importing a compiled JPS project
• KT-55098 AA: KtDeclarationRenderer should render a context receivers
• KT-51181 LL API: errors for SAM with suspend function from another module
• KT-50250 Analysis API: Implement Analysis API of KtExpression.isUsedAsExpression
• KT-54360 KtPropertySymbol: support JvmField in javaSetterName and javaGetterName

Analysis API. FE1.0

• KT-55825 AA FE1.0: stackoverflow when resolution to a function with a recursive type parameter

Analysis API. FIR

• KT-54311 K2: proper implementation of KtSymbolPointer
• KT-50238 Analysis API: Implement KSymbolPointer for KtSymbol

Analysis API. FIR Low Level API

• KT-52160 FIR: Substitution overrides on FirValueParameter-s are incorrectly unwrapped
• KT-55566 LL FIR: Tests in compiler/testData/diagnostics/tests/testsWithJava17 fail under LL FIR
• KT-55339 LL FIR: Missing RECURSIVE_TYPEALIAS_EXPANSION error in function type alias
• KT-55327 LL FIR: Diverging UNRESOLVED_REFERENCE errors in recursive local function test
• KT-54826 KtSymbolPointer: migrate from IdSignature to our own solution

Android

• KT-54464 MPP, Android SSL2: Add a flag for suppressing warning in case of using Android Style folders

Backend. Wasm

• KT-38924 Wasm support in nodejs
• KT-56160 Getting WebAssembly.CompileError in browsers not supported GC and other required proposals
• KT-46773 Implement an experimental version of the Kotlin/Wasm compiler backend
• KT-56584 K/Wasm: Can’t link symbol class
• KT-56166 Fix compatibility with Firefox Nightly
• KT-55589 Basic support of WASI
• KT-53790 Reading from «node:module» is not handled by plugins error with Kotlin/Wasm 1.7.20-Beta

Compiler

New Features

• KT-54535 Implement custom equals and hashCode for value classes in Kotlin/JVM
• KT-55949 Release experimental @Volatile support in native
• KT-44698 Frontend (K2): print file name/line on compiler crash/exception
• KT-54666 K2: Allow to skip specifying type arguments for members from raw type scope
• KT-54524 Implement Java synthetic property references in compiler
• KT-54024 K2: support -Xlink-via-signatures mode

Performance Improvements

• KT-33722 JVM: Result API causes unnecessary boxing
• KT-53330 Optimize for-loops and contains over open-ended ranges with until operator (..<) for all backends
• KT-54415 JVM BE: performance loss related to multi-field inline class lowering
• KT-48759 Infix compareTo boxes inline classes
• KT-55033 Make org.jetbrains.kotlin.resolve.calls.inference.model.NewConstraintSystemImpl#runTransaction an inline function
• KT-54501 Improve code generation for inline classes with custom equals

Fixes

• KT-56965 K/N: linkDebugFrameworkIosArm64 tasks failing with UnsupportedOperationException: VAR name:disposables type:com.badoo.reaktive.disposable.CompositeDisposable [val]
• KT-56611 Native: new native caches are broken when KONAN_DATA_DIR is defined to a directory inside ~/.gradle
• KT-55251 Enum.entries compilation error should be more specific
• KT-56527 K2: «AssertionError: Assertion failed» during compilation in SequentialFilePositionFinder
• KT-56526 InvalidProtocolBufferException on reading module metadata compiled by K2 in 1.8.20
• KT-57388 Kapt+JVM_IR: «RuntimeException: No type for expression» for delegated property
• KT-53153 Synthetic Enum.entries can be shadowed by user-defined declarations
• KT-51290 «AssertionError: Parameter indices mismatch at context» with context receivers
• KT-57242 Equals behaviour for value classes implementing interfaces is different between 1.8.10 and 1.8.20-RC
• KT-57261 «IllegalArgumentException was thrown at: MemoizedInlineClassReplacements.getSpecializedEqualsMethod» when comparing non-inline class instance with an inline class instance
• KT-57107 Handling of Windows line endings CRLF broken in latest snapshot with K2
• KT-57117 K2: Compiler reports invalid columns in diagnostics in case of crlf line endings
• KT-56500 The type parameter TYPE_PARAMETER name:E index:0 variance: superTypes:[kotlin.Any?] reified:false is not defined in the referenced function FUN LOCAL_FUNCTION_FOR_LAMBDA
• KT-56258 VerifyError: Bad local variable type when using -Xdebug
• KT-54455 Unexpected result of equality comparison of inline class objects
• KT-56251 Generic Java synthetic property references don’t work in K2
• KT-55886 K2: Wrong code location mapping with Windows line endings
• KT-43296 FIR: Complicated interaction between smart cast and inference leads to false-positive diagnostic
• KT-57053 Problem around anonymous objects in inline functions
• KT-54950 NoSuchMethodError on calling ‘addAll’ on inline class implementing mutable list
• KT-56815 compileKotlin task is stuck with while(true) and suspend function
• KT-56847 Unresolved reference to Java annotation in Kotlin class with the same name packages
• KT-52459 Context receivers: AbstractMethodError caused by Interface method with both an extension and a context receiver is overriden incorrectly in subclasses
• KT-56215 JVM: Object extension function nullable receiver null check false negative when object is null
• KT-56188 K/N: AssertionError when casting SAM wrapper with generic type parameter
• KT-56033 Restore ‘isMostPreciseContravariantArgument’ function signature for compatibility
• KT-56407 Backend Internal error: Exception during IR lowering during :daemon-common-new:compileKotlin
• KT-55887 K2. «IllegalStateException: org.jetbrains.kotlin.ir.expressions.impl.IrErrorCallExpressionImpl is not expected» on adding kotlin.plugin.jpa
• KT-56701 K2 (with LightTree) reports syntax errors without additional information
• KT-56649 K2 uses 0-index for line numbers rather than 1-index
• KT-54807 K2. Support @OnlyInputTypes diagnostic checks (contains like calls)
• KT-51247 «AssertionError: org.jetbrains.kotlin.ir.expressions.impl.IrFunctionReferenceImpl» caused by context receiver functional types
• KT-55436 K1: implement warning about shadowing of the derived property by the base class field
• KT-56521 Static scope…

Changelog

Compiler

• KT-57388 Kapt+JVM_IR: «RuntimeException: No type for expression» for delegated property
• KT-57242 Equals behaviour for value classes implementing interfaces is different between 1.8.10 and 1.8.20-RC
• KT-57261 «IllegalArgumentException was thrown at: MemoizedInlineClassReplacements.getSpecializedEqualsMethod» when comparing non-inline class instance with an inline class instance
• KT-56527 K2: «AssertionError: Assertion failed» during compilation in SequentialFilePositionFinder
• KT-57107 Handling of Windows line endings CRLF broken in latest snapshot with K2

Tools. Gradle

• KT-57296 Build statistics sending errors in case of buildSrc directory usage with kotlin-dsl plugin applied

Tools. Gradle. JS

• KT-57285 KJS / Gradle / MPP: FileNotFoundException on publishing empty KJS sourceset

Tools. Gradle. Multiplatform

• KT-57460 Kotlin Gradle Plugin: Null this pointer in transformCommonMainDependenciesMetadata
• KT-57306 [Kotlin 1.8.20-RC] GradleException: Could not load the value of field apiConfiguration of org.jetbrains.kotlin.gradle.plugin.mpp.compilationImpl.DefaultKotlinCompilationConfigurationsContainer

Checksums