Update kotlin monorepo to v2.1.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin:kotlin-test-junit (source)	2.1.10 -> 2.1.20
org.jetbrains.kotlin:kotlin-test (source)	2.1.10 -> 2.1.20
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	2.1.10 -> 2.1.20

---

Release Notes

JetBrains/kotlin (org.jetbrains.kotlin:kotlin-test-junit)

v2.1.20: Kotlin 2.1.20

Changelog

Analysis API

Fixes

• KT-68198 Analysis API: Support application service registration in plugin XMLs
• KT-57733 Analysis API: Use optimized ModuleWithDependenciesScopes in combined symbol providers
• KT-73156 AA: type retrieval for erroneous typealias crashes
• KT-71907 K2 debugger evaluator failed when cannot resolve unrelated annotation
• KT-69128 K2 IDE: "Unresolved reference in KDoc" reports existing Java class in reference to its own nested class
• KT-71613 KaFirPsiJavaTypeParameterSymbol cannot be cast to KaFirTypeParameterSymbol
• KT-71741 K2 IDE. Classifier was found in KtFile but was not found in FirFile in libraries/tools/kotlin-gradle-plugin-integration-tests/build.gradle.kts in kotlin.git and broken analysis
• KT-71942 Need to rethrow Intellij Platform exceptions, like ProcessCanceledException
• KT-70949 Analysis API: "containingDeclaration" does not work on nested Java classes in K2 implementation
• KT-69736 K2 IDE: False positive resolution from KDoc for value
• KT-69047 Analysis API: Unresolved KDoc reference to extensions with the same name
• KT-70815 Analysis API: Implement stop-the-world session invalidation
• KT-69630 KAPT User project builds with KAPT4 enabled fail with Metaspace overflow

Analysis API. Code Compilation

• KT-71263 K2 evaluator: Error in evaluating self property with extension receiver

Analysis API. FIR

Performance Improvements

• KT-72025 FileStructureElement: reduce redundant resolve
• KT-74012 Redundant FirAbstractBodyResolveTransformerDispatcher.<init> CPU consumption
• KT-73900 ContextCollectorVisitor#computeContext may spend significant time on createSnapshot
• KT-73665 FirElementFinder is inefficient in large files
• KT-73330 Remove bodies from functions without contracts after the CONTRACTS phase
• KT-73017 Analysis API: FirReferenceResolveHelper.getSymbolsByResolvedImport searches for classes even when the selected FqName is a known package

Fixes

• KT-72308 getOrBuildFir returns null for this expression for plusAssign operator
• KT-72660 ISE: Recursive update at org.jetbrains.kotlin.analysis.low.level.api.fir.caches.FirCaffeineCache.getValue
• KT-74097 ISE: Recursive update at org.jetbrains.kotlin.analysis.low.level.api.fir.caches.FirCaffeineCache.getValue
• KT-74098 ISE: Recursive update at org.jetbrains.kotlin.analysis.low.level.api.fir.caches.FirCaffeineCache.getValue
• KT-72148 K2: KISEWA: Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirValueParameterImpl(DataClassMember) but FirArgumentListImpl found
• KT-73079 K2: Internal compiler error when conflicting type aliases are present
• KT-73456 Expected FirResolvedContractDescription but FirRawContractDescriptionImpl found for FirSimpleFunctionImpl
• KT-73259 Expected FirResolvedContractDescription but FirLegacyRawContractDescriptionImpl found for FirSimpleFunctionImpl
• KT-72740 FirDanglingModifierList: lazyResolveToPhase(STATUS) cannot be called from a transformer with a phase STATUS
• KT-66132 K2: FirRegularClass expected, but FirFileImpl found | Containing declaration is not found
• KT-72196 K2. KMP. IllegalStateException: expect-actual matching is only possible for code with sources
• KT-72652 FirProvider#getContainingClass should support FirDanglingModifierSymbol
• KT-73105 Lazy resolve contract violation (BODY_RESOLVE from BODY_RESOLVE)
• KT-66261 K2: Analysis API: "FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtProperty, fir is null" with MULTIPLE_LABELS_ARE_FORBIDDEN K2 error
• KT-72315 K2. KIWA on usage of always-true OR in guard condition
• KT-65707 K2 IDE: unresolved calls of callables imported with typealias as qualifier
• KT-61516 K2: Provide an LL FIR implementation for getContainingClassSymbol (in FirHelpers)
• KT-72853 Expected FirResolvedArgumentList for FirAnnotationCallImpl of FirContextReceiverImpl(Source) but FirArgumentListImpl found
• KT-64215 K2: do not resolve type annotations of receiver if it is used as an implicit return type
• KT-64248 K2: do not resolve type annotations of context receiver if it is used as an implicit return type
• KT-72821 Add assertion to diagnostic tests to check that all declarations have BODY_RESOLVE phase at the end
• KT-64056 K2: K2: FirLazyBodiesCalculator shouldn't calculate annotation arguments on type phase
• KT-71651 K2 IDE: False positive NON_LOCAL_SUSPENSION_POINT in suspend function call
• KT-72164 K2. IllegalArgumentException when pre and post increment are used simultaneously in assignment
• KT-71174 Illegal scope used
• KT-72407 FirImplementationByDelegationWithDifferentGenericSignatureChecker: FirLazyExpression should be calculated before accessing
• KT-72228 K2: Reformat doesn't work in project with Kotlin 2.0.21
• KT-69671 TYPES phase contract violation through JavaSymbolProvider
• KT-71348 K2: KotlinIllegalStateExceptionWithAttachments: 'By now the annotations argument mapping should have been resolved' during code inspection
• KT-72024 FirClassVarianceChecker: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
• KT-71746 K2 IDE. ISE: Zero or multiple overrides found for descriptor in FirRegularClassSymbol serializing/ExternalSerializer and red code on @Serializer(forClass) ` usage

Analysis API. Infrastructure

• KT-72922 KotlinFakeClsStubsCache project leakage
• KT-71988 Improve scripts test coverage by LL FIR
• KT-64687 K2: Analysis API: migrate AbstractFirLibraryModuleDeclarationResolveTest to kotlin repo

Analysis API. Light Classes

• KT-73492 K2. FP error in Java file when using @JvmSuppressWildcards annotation without arguments
• KT-66763 K2: Get rid of context receivers in Analysis API and LL API
• KT-71781 SLC: migrate SLC from KotlinModificationTrackerService to KotlinModificationTrackerFactory
• KT-67963 K2: PsiInvalidElementAccessException on redeclaration of class with constructor
• KT-71407 K2: Do not report @JvmField default value as PsiField initializer in K2
• KT-72078 K2 PSI change for constructor parameter with value class type

Analysis API. Providers and Caches

• KT-69247 Analysis API: Invalidate sessions after builtins modification events
• KT-72704 ISE: No 'org.jetbrains.kotlin.fir.scopes.impl.FirDelegatedMembersFilter'(53) in array owner: LLFirBuiltinsAndCloneableSession for Builtins for JS/wasm-js (JS)
• KT-67148 Analysis API: Introduce a weak reference cache for the original KtSymbol in KtSymbolPointer
• KT-73395 Analysis API: JavaElementPsiSourceWithSmartPointer contains strong references to PSI
• KT-72390 Kotlin project full of red code
• KT-72388 KaFirStopWorldCacheCleaner: Control-flow exceptions
• KT-72644 "PSI has changed since creation" reason is misleading

Analysis API. Standalone

• KT-73776 Analysis API Standalone: Application services are missing registrations in tests and Dokka
• KT-70346 Analysis API Standalone: Remove the custom class loader option in Standalone session creation

Analysis API. Stubs and Decompilation

• KT-69398 K2 IDE: SOE on editing top level private variable name
• KT-72897 Analysis API: Smart PSI element pointers for KtEnumEntry stubs cannot be restored
• KT-71565 KtClassOrObject should use isLocal from greenStub

Analysis API. Surface

New Features

• KT-73414 Analysis API: Support typealiased constructors in KaConstructorSymbol
• KT-70301 Analysis API: 'KaSamConstructorSymbol' does not allow to find the constructed SAM type
• KT-68236 Analysis API: add isExternal property for KtPropertySymbol
• KT-68598 Analysis API: missed getClassLikeSymbolByClassId API

Performance Improvements

• KT-74112 UI freeze: AnyThreadWriteThreadingSupport.getWritePermit
• KT-73942 Extend resolveToSymbols cache to all references
• KT-73622 Cache resolveToSymbols result
• KT-72684 Drop explicit resolve from KaFirJavaInteroperabilityComponent#asPsiTypeElement
• KT-60486 Analysis API: optimize KaExpressionTypeProvider.returnType for simple cases

Fixes

• KT-70114 K2: Analysis API: do not lazy resolve declarations without deprecation to get it deprecation
• KT-73406 [Analysis API] Allow extending KaModule resolution scope for all KaModules
• KT-65850 Cover Analysis API with KDocs
• KT-72099 Analysis API: implement an API to retrieve default imports
• KT-73662 KotlinIllegalArgumentExceptionWithAttachments: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl
• KT-70108 Analysis API: "KaScopeProvider.scopeContext" provides scopes from implicit companion objects with inaccessible classifiers
• KT-68954 Remove JAR publications with old artifact names (high-level-api family)
• KT-70134 Analysis API: Port API documentation from the guide to KDoc
• KT-72973 Introduce KaSymbolOrigin.TYPE_ALIAS_CONSTRUCTOR
• KT-70356 analyzeCopy with IGNORE_SELF cannot find private members
• KT-66783 Analysis API: KtFirSymbolProvider creates symbols when given PSI from unrelated modules
• KT-72937 Migrate KaFirReceiverParameterSymbol to KaFirSymbol/KaFirKtBasedSymbol
• KT-70243 K2 IDE: PsiMethod.callableSymbol returns null for constructor
• KT-66608 Support OperatorFunctionChecks#isOperator in AA
• KT-73068 Analysis API: A KaFirJavaFieldSymbol for a static Java field is open instead of final
• KT-73055 Get rid of the deprecated Analysis API API
• KT-65065 Provide KtTypeReference#getShortTypeText()
• KT-63800 AA: this reference shortener doesn't simplify label
• KT-72793 Analysis API: 'expressionType' returns raw type for typealiased constructors calls
• KT-72658 resolveToCall doesn't work for KtSafeQualifiedExpression
• KT-69930 K2 IDE: Kotlin/JS project: ISE: "Unsupported type DYNAMIC_TYPE"
• KT-71373 Make KaSessionProvider the internal API
• KT-71869 KaClassSymbol.superTypes for kotlin.Any contains kotlin.Any itself (K1-only)
• KT-64190 K2 IDE: Analysis API: KDoc link leads to a function instead of interface
• KT-72075 defaultType should be available for KaClassifierSymbol instead of KaNamedClassSymbol
• KT-72002 Analysis API: psi KaTypeParameterSymbol for default Java constructor is null

Backend. Native. Debug

• KT-73306 Native: add a way to specify a dir for the debug compilation unit file
• KT-68536 Native: bridges and trampolines affect stepping in the debugger
• KT-72398 Native: use DW_AT_trampoline for objc2kotlin_* functions instead of KonanHook in konan_lldb.py

Backend. Wasm

• KT-71868 K/Wasm: support generating debug information in DWARF format
• KT-71645 [Wasm] Check wasm test runner for groupByPackage=true case
• KT-72232 Wasm, IC: Compilation exception on renaming of file
• KT-73907 Wasm: Duplication of files in browser distribution
• KT-72223 Compiler generates an invalid glue-code for externals with backquoted identifiers
• KT-73015 [Wasm, IC] Implement possibility for readonly IC cache
• KT-71763 K/Wasm: compiler generates incorrect code for is check on JsAny
• KT-72156 custom-formatters.js exists in JAR after publishToMavenLocal but not in the published artifact in Maven public
• KT-71037 [Wasm, IC] Investigate how make kotlin.test not fully loaded in IC

Compiler

New Features

• KT-74049 Introduce special override rule to allow overriding T! with T & Any
• KT-73256 Implement all meta-target for annotations
• KT-73255 Change defaulting rule for annotations
• KT-61447 Support context receivers overloads in Kotlin multiplatform
• KT-67034 Warning when a property hides a Java field from superclass
• KT-71092 Native: Write out used dependencies
• KT-71094 Kotlin/Native incremental compilation: fail compilation if cache build failed
• KT-71569 Improve diagnostic precision for OPT_IN_ARGUMENT_IS_NOT_MARKER

Performance Improvements

• KT-73434 Slow / infinite compile involving ConeInferenceContext
• KT-73328 Do not spill this to a local variable in coroutines
• KT-69995 K2: Slow compilation when star projecting mutually recursive bounds from java
• KT-73687 Inefficient KtCommonFile#getFileAnnotationList
• KT-45452 K/N optimization: inline simple functions that aren't marked with inline keyword
• KT-64898 K2: toFirProperty call in PsiRawFirBuilder forces AST loading
• KT-71673 Consider making EnhancementSymbolsCache. enhancedFunctions using simple cache
• KT-71973 KtPsiUtil#getEnclosingElementForLocalDeclaration shouldn't iterate over directories

Fixes

• KT-75965 The iOS app did not run successfully in Release mode
• KT-57696 Deprecate JvmDefault annotation with level HIDDEN
• KT-75578 K2: False negative [SUPER_CALL_WITH_DEFAULT_PARAMETERS] when calling the upper-class implementation of a method with the default value argument
• KT-74764 Native: merge init nodes generated within the same LLVM module for the same klib
• KT-75444 Contradictions in the constraint system are ignored in case of multiple constraints from forking points
• KT-75649 K2: NPE on assigning platform type value to non-nullable lateinit var
• KT-75483 Native: redundant unboxing generated with smart cast
• KT-73028 K2. FileAnalysisException on private property in Context
• KT-73937 Context parameters: IllegalArgumentException: source must not be null on lateinit var with a context
• KT-74104 Native: SynchronizedLazyImpl produces NPE on 2.1.20-Beta1 on mingwX64
• KT-71752 K2: Absent non-null check for platform types in assignments
• KT-75526 Regression in K2 scripting: local name doesn't shadow one from the implicit receiver
• KT-68131 K2: build Grazie monorepo main branch
• KT-72618 Cannot define operator inc/dec in class context
• KT-74739 Native: "IllegalArgumentException: All constructors should've been lowered: FUNCTION_REFERENCE"
• KT-68768 K2: unsuccessful inference fork with jspecify annotations
• KT-71943 K2: IAE "source must not be null" in FirJvmModuleAccessibilityQualifiedAccessChecker
• KT-75111 False negative "This declaration needs opt-in" for usage of enum entry with OptIn marker in another module
• KT-73831 Do not choose field target in annotation classes
• KT-73494 Enable first-only-warn annotation defaulting mode
• KT-74929 False positive TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER if it is used with T&Any
• KT-74227 K2: "Cannot infer type for this parameter. Please specify it explicitly" caused by lambda in another lambda with a parameterized function type
• KT-70789 CLI error "mixing legacy and modern plugin arguments is prohibited" on using -Xcompiler-plugin unless default scripting plugin is disabled
• KT-73903 Design 'replaceWith' / 'test-only' kinds for the 'LanguageFeature' class
• KT-74474 K2: Report more precise diagnostic when last expression of non-unit lambda is a statement
• KT-74478 K2: False negative RETURN TYPE_MISMATCH if the last statement of a lambda is indexed assignment
• KT-67480 K/N: a separate inlining phase after the lowerings
• KT-72154 Dokka fails with not array: KClass<out Annotation> on Kotlin 2.1.20-dev with @SubclassOptInRequired
• KT-72040 Extra checkers: false-positive unused parameter warnings on anonymous lambda parameters
• KT-74203 K2: False negative NO_ELSE_IN_WHEN of a generic type with star projection <*> bounded by a sealed hierarchy
• KT-63720 Coroutine debugger: do not optimise out local variables
• KT-74024 K2: Prohibit declaring local type aliases
• KT-73146 Context parameters CLI & diagnostics
• KT-73251 Warn users about removal of context classes and constructors
• KT-72222 Context parameters parsing & resolution part 1
• KT-61175 K2: FirReceiverParameter does not extend FirDeclaration
• KT-73858 Compose / iOS: NullPointerException on building
• KT-73864 [Native] Decouple IrType.computePrimitiveBinaryTypeOrNull from backend.native
• KT-73122 Move the upgrade references lowering to be first one in Native pipeline
• KT-73608 K2: "Initializer type mismatch" with map and typealias to object
• KT-73691 DCE removes static initializer function, which is actually called
• KT-74147 K2: False negative INCONSISTENT_TYPE_PARAMETER_VALUES
• 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-74195 Fully qualified names in error messages make them complicated
• KT-74221 Make FirSupertypesChecker a platform checker
• KT-72962 Consider enabling ConsiderForkPointsWhenCheckingContradictions LF earlier
• KT-74242 Freeze on runCatching call in finally block inside SAM conversion
• KT-29222 FIR: consider folding binary expression chains
• KT-73760 Cannot implement two Java interfaces with @NotNull-annotated type argument and Kotlin's plain (nullable) type parameter
• KT-58933 Applying suggested signature from WRONG_NULLABILITY_FOR_JAVA_OVERRIDE leads to red code
• KT-74107 K2: Calling type alias constructor with inner RHS in static scope causes runtime crash
• KT-74244 Context parameters: context isn't checked for expect/actual property declaration
• KT-74276 Update ASM from 9.0 to 9.6.1
• KT-72737 Avoid function references creation in lowerings after FunctionReferenceLowering
• KT-72295 K2: Generated accessors for delegated property should have property source
• KT-73150 Investigate/test approximation of context parameter type in completion
• KT-73862 [Native] Decouple NativePreSerializationLoweringContext from backend.native
• KT-70507 Should parentheses prevent from plus/set operator desugaring?
• KT-72677 K2 IDE / Kotlin Debugger: “Couldn't find virtual file for p1/MainKt$foo$iface$1” on evaluating inline function from another module
• KT-72672 K2 IDE / Kotlin Debugger: “Couldn't find virtual file” on evaluating inline function for enum class entries from test module
• KT-73912 Cannot evaluate inline methods from another module in KMP project
• KT-73765 K2: Prohibit nested type aliases with inner RHS when it captures type parameters implicitly
• KT-73869 [Native] Move KonanSymbols out of backend.native
• KT-73823 Kotlin/Native: IndexOutOfBounds for java.util.Map::getOrDefault
• KT-73755 K2: type mismatch error contains unsubstituted type parameter types
• KT-72837 ERROR_IN_CONTRACT_DESCRIPTION message contains compiler internals
• KT-73771 K2: Infinite compilation caused by buildList without type
• KT-67520 Change of behaviour of inline function with safe cast on value type
• KT-67518 Value classes leak their carrier type implementation details via inlining
• KT-71767 Generate default compatibility bridges in -Xjvm-default=all/all-compatibility mode
• KT-73716 Context parameters expose visibility
• KT-73671 Context parameters: val/var on context parameter on a property is possible
• KT-73510 Context parameters: It is possible to declare a context for init block
• KT-72305 K2: Report error when using synthetic properties in case of mapped collections
• KT-72429 StackOverflowError when compiling large files
• KT-72500 K2 Debugger: NSME on evaluating lambda with a call to internal class field
• KT-73845 K2: IllegalArgumentException during FIR2IR transformation when processing nested default values in annotations
• KT-73538 K2 IDE / Kotlin Debugger: ISE “couldn't find inline method" on evaluating internal inline function with default arg from main module in test module
• KT-73347 K2: Expected is FirResolvedDeclarationStatus
• KT-71226 K2 Evaluator: Code fragment compilation with unresolved classes does not fail with exception
• KT-73902 Clean-up code around lateinit inline/value classes
• KT-73693 K2: DslMarker checker doesn't report violation for callable reference with bound receiver
• KT-73667 K2: DslMarker checker ignores function type annotations for invokeExtension
• KT-72797 K2 IDE / Kotlin Debugger: AE “No such value argument slot in IrCallImpl” on evaluating inc()-operator for private field
• KT-68388 Compiler crash on convesion to fun interface with extension receiver
• KT-73801 False positive CONFLICTING_OVERLOADS between base suspend fun and derived property
• KT-62833 K2: Run smoke FP tests with SLOW_ASSERTIONS enabled
• KT-54068 Context receivers with lambda nesting result in Type mismatch
• KT-51383 Lambdas with context receivers do not accept context receivers from scope
• KT-73331 Context parameters implicit invoke
• KT-73650 Implement DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES for K2
• KT-73745 Migrate modularized tests to the latest stable version
• KT-70233 Implement a deprecation error for FIELD-targeted annotations on annotation properties
• 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-73791 Forbid using inline and value class modifiers together
• KT-73704 [Native] Decouple KonanIrLinker from cinterop deserialization
• KT-73641 Context parameters DSL marker support
• KT-59880 K2: Disappeared CONFLICTING_OVERLOADS
• 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-59443 K2: Implement missing K1 diagnostics
• KT-67517 Value class upcast to Any leaks carrier type interfaces
• KT-73527 Prohibit (via a deprecation warning) accessing nested class through generic outer class
• KT-72852 JAVA_CLASS_ON_COMPANION compiler warning missing in K2
• KT-71704 K2: subAtom already initialized
• KT-73399 compile-time JVM codegen failure on a KProperty argument of a KSuspendFunction parameter
• KT-72281 K/N: "Failed to wait for cache to be built"
• KT-73049 Kotlin Debugger: CNFE on evaluating local function inside lambda
• KT-72725 KMP: Unsupported actualization of inherited java field in expect class
• KT-73476 K2: Visibility of nested type aliases is not respected if RHS is inner
• KT-72957 K2: Don't use offsets for mapping annotations from IR plugins injected into metadata
• KT-72814 FIR: don't use function references in FirThisReference
• KT-73143 Context parameters resolution leftovers
• KT-71649 K2: Put operator on mutableMap<T?, V>() causes crashes on null key
• KT-72832 Erroneous implicit cast inserted by smartcast
• KT-72930 K2 IDE / Kotlin Debugger: ISE “couldn't find inline method” on evaluating internal inline function from main module in test module
• KT-73095 K2: "Failed to find functional supertype for ConeIntersectionType"
• KT-70366 K2: "KotlinIllegalArgumentExceptionWithAttachments: Failed to find functional supertype for class "
• KT-73260 Rename context receivers to context parameters in frontend
• KT-73375 K2/JVM: -Xuse-type-table generates incorrect metadata for local delegated properties
• KT-72470 Annotations on effect declarations are unresolved
• KT-72409 False negative "Type parameter is forbidden for catch parameter"
• KT-72723 K2: Replace unused FIR properties required by inheritence with computed properties
• KT-72246 Exception from FirReceiverAccessBeforeSuperCallChecker on red code
• KT-47289 No error on companion object inside inner class in enum constructor call
• KT-46120 No error reported when Java interface method is implemented by delegation to Java class where corresponding method has different generic signature
• KT-72746 K2: No IR overriddens generated for Nothing.toString
• KT-70389 K2: StackOverflowError at org.jetbrains.kotlin.fir.resolve.calls.CreateFreshTypeVariableSubstitutorStage.shouldBeFlexible
• KT-72537 [FIR Analysis] 'IllegalArgumentException: source must not be null' when typing '++++' (four pluses)
• KT-73010 K2: Refactor DispatchReceiverMemberScopeTowerLevel.processMembers
• KT-72924 Extension property declaration shouldn't be possible in when
• KT-72826 UNUSED_LAMBDA_EXPRESSION compiler warning missing in K2
• KT-25513 Report compilation error when in generated JVM bytecode there is a need for CHECKCAST to inaccessible interface
• KT-73153 K2: Standalone diagnostics on type arguments are not reported
• KT-71252 JVM: Set the proper visibility to backing fields of lateinit properties
• KT-73213 K2: Initialize outer type parameter refs for inner (local) type aliases during FIR building
• KT-73215 Set up isInner property for inner type aliases during FIR building
• KT-73088 K2: Introduce NestedTypeAliases experimental feature
• KT-73192 K2: FirJavaField has incorrect modality
• KT-60310 K2: introduce FirErrorContractDescription to distinguish unresolved contract from error one
• KT-73008 K2: Resolve nested type aliases in derived classes
• KT-73009 K2: Treat nested type aliases as classes during supertypes resolution (they are not inner by default)
• KT-59886 K2: Disappeared ERROR_IN_CONTRACT_DESCRIPTION
• KT-72839 Rewrite processConstraintStorageFromExpression using resolution atoms
• KT-73147 Context parameters FIR2IR support
• KT-72789 Fix inconsistent IR produced by ScriptsToClassesLowering for script instance feature
• KT-66711 K2: INITIALIZER_TYPE_MISMATCH is reported on the whole lambda instead of RETURN_TYPE_MISMATCH on each return expression
• KT-73011 K2: Allow overloads resolution for callable references based on expected type variable with constraints
• KT-73031 K2: Callable reference unresolved inside elvis with a complex function type
• KT-66161 K2: False-positive REDUNDANT_VISIBILITY_MODIFIER for protected modifier in private class
• KT-73065 CCE with context receivers
• KT-72345 K2: Method 'get' without @Override annotation not called
• KT-69981 K2: Refactor ResolutionMode.WithExpectedType.expectedType to be a ConeKotlinType
• KT-68363 ABSTRACT_MEMBER_NOT_IMPLEMENTED diagnostic reported only for the first not implemented function
• KT-72105 JVM: typeOf() result is sometimes incorrectly optimized to null in bytecode
• KT-72813 FIR: fix containing declaration for annotations of a receiver parameter
• KT-72552 AutoboxingTransformer fails on during linkage on nested lambdas with cinteroped types
• KT-71751 K2: Skipping code in last statement of lambda
• KT-72863 K2: failed compilation for a context receiver with an annotated type
• KT-68984 K2: Typealiased SAM constructors resolve to the expanded interface
• KT-57471 K2: Wrong diagnostics for named lambda arguments
• KT-69560 Tidy up test data that affected by PrioritizedEnumEntries or ProperUninitializedEnumEntryAccessAnalysis features
• KT-72894 "Placeholder projection cannot be mapped." error from resolve when using placeholder in a typealias
• KT-70886 FIR/AA: Reduce strong memory footprint of cached symbol names providers
• KT-72238 Argument type mismatch in builder inside extension function after ?:
• KT-72738 Simplify naming scheme for function references
• KT-72340 K1/K2 difference in de-duplication of OPT_IN_USAGE and OPT_IN_TO_INHERITANCE
• KT-61272 Frontend: error message "feature ... is experimental and should be enabled explicitly" does not explain how to do it
• KT-72664 K2: Function type kind is not propagated for parameters of incomplete calls
• KT-64247 K2: FirContextReceiver does not extend FirDeclaration
• KT-67383 Incorrect optimisation when optimising for loop with UByte
• KT-70975 K2: Confusing INVISIBLE_REFERENCE message when accessing nested class in private-in-file class
• KT-72743 CCE in FirUninitializedEnumChecker: FirPropertySymbol cannot be cast to FirEnumEntrySymbol
• KT-71708 False negative UNSUPPORTED for collection literals as trailing return value
• KT-67707 K2: CCE "ArrayMapImpl cannot be cast to class OneElementArrayMap" from FIR evaluator
• KT-71966 Seemingly bug in SupertypeComputationSession#breakLoopFor
• KT-17455 Confusing error message "There's a cycle in the inheritance hierarchy for this type" when outer class inherits nested class
• KT-71119 K2: "AssertionError: Should be primitive or nullable primitive type" caused by comparing Double/Float and Any successor type
• KT-57527 K1/K2: "IllegalArgumentException: Some properties have the same names" with inline class
• KT-57851 Wrong ValueClassRepresentation inside value class
• KT-67998 K2: CANNOT_INFER_PARAMETER_TYPE on incomplete call inside if in a Java SAM
• KT-71961 K2 debugger evaluation ClassCastException in IrElementsCreationUtilsKt#createFilesWithBuiltinsSyntheticDeclarationsIfNeeded
• KT-72504 Optimize KotlinLocalVirtualFile.isDirectory for parent virtual files
• KT-71399 Kotlin Script: NPE on type resolve
• KT-69283 Incorrect synthetic line numbers when inlining suspend funs
• KT-52929 Java cannot extend instantiations of generic Kotlin collections in the presence of instantiated Kotlin subclasses
• KT-71885 K2: confusing message when lateinit var is assigned once
• KT-69920 K2: java.lang.IllegalArgumentException: FirNamedArgumentExpressionImpl.replaceConeTypeOrNull() during Space project compilation
• KT-55894 NI: Compile errors for out-projected types are more cryptic than previously
• KT-72231 K2: NONE_APPLICABLE instead of NAMED_ARGUMENTS_NOT_ALLOWED for non-Kotlin functions with overloads
• KT-72422 KMP: False-positive report of ACTUAL_ANNOTATIONS_NOT_MATCH_EXPECT on SublcassOptInRequired
• KT-72257 'javaClass' method cannot be evaluated in Kotlin project itself
• KT-72408 Introduce new TYPE_VARIANCE_CONFLICT diagnostics
• KT-71508 JAVA_CLASS_INHERITS_KT_PRIVATE_CLASS isn't reported when java class is inherited from an effectively private class
• KT-72177 K2: Argument type mismatch when using star projection
• KT-72245 K2: When Java source roots are passed by file, fully qualified deep packages are unresolved
• KT-63923 Confusing error messages for TYPE_MISMATCH from inference
• KT-57708 Unclear TYPE_MISMATCH messages in certain situations with generics
• KT-72178 K2: "Unexpected FirPlaceholderProjectionImpl" exception when using "_" as key type in EnumMap
• KT-62455 "NullPointerException" with 'multi-field value class'
• KT-72302 K2: no error on type operator in annotation parameter default value
• KT-72212 [Scripting] Guava dependency is not packaged correctly
• KT-71662 PCLA: a type variable is not fixed on demand to a type containing a not-fixed type variable
• KT-72229 K2: Change LV of ProhibitConstructorAndSupertypeOnTypealiasWithTypeProjection to 2.2
• KT-70256 K2: Check for MISSING_BUILT_IN_DECLARATION not only for JVM but for all platforms
• 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-60034 K2: Introduced NO_GET_METHOD
• KT-72199 K1: Match the shape of references to synthetic Java properties to the shape of their getters
• KT-15672 Improve diagnostics for accessing Enum companion object from enum constructor
• KT-71321 K2: ClassCastException caused by missed type mismatch when passing a method reference
• KT-72041 Extra checkers: false-positive unused parameter warnings on implicit lambda parameters
• KT-71959 NO_VALUE_FOR_PARAMETER should use actual lambda parameter name
• KT-69985 K2: simple classifier names from root package are resolved without imports in non-root packages
• KT-70139 Remove dependencies of debugger on K1 and old JVM backend
• KT-72142 PSI: unrelated enums are treated as equivalent
• KT-57358 False positive "Const 'val' initializer should be a constant value" caused by equality with literals
• KT-71753 PCLA: false-negative operator ambiguity error on fixing a type variable on demand for an operator assignment
• KT-70844 K2 IDE: deprecated marker shouldn't highlight not deprecated type argument
• KT-70854 K2 IDE: annotation on delegation causes illegal argument exception
• KT-56901 NI: Missing error on passing star-projection to reified type argument
• KT-70856 K2: IllegalStateException: Non-empty unresolved argument list
• KT-71897 K2: Don't erase in projections in SAM conversion if -Xsam-conversion=class like in K1
• KT-66464 Introduce isInlineable parameter for FunctionTypeKind
• KT-71590 K2: false alarm from UselessCallOnNotNullChecker
• KT-71919 Wrapped ProcessCanceledException in GenerationState#loadClassBuilderInterceptors
• KT-70922 PSI for KtPropertyAccessor is inconsistent with KtNamedFunction
• KT-28598 Type is inferred incorrectly to Any on a deep generic type with out projection
• KT-71490 K2: missing REDUNDANT_ELSE_IN_WHEN
• KT-36107 Remove deprecated mod operator convention
• KT-71166 Generic synthetic property is unresolved when parameterized with Unit
• KT-71738 K2: False negative REDECLARATION inside object expression
• KT-59908 K2: Disappeared RECURSIVE_TYPEALIAS_EXPANSION
• KT-69937 Define & enforce user-friendly terminology for extended checkers
• KT-68834 Parentheses don't influence calls of any convention operators (except invoke operator) after safe navigation operator
• KT-58437 K2: Do not use descriptors in KonanSymbols
• KT-18563 Do not generate inline reified functions as private in bytecode

Compose compiler

• b/397855145 Fix "Unknown file" error in target annotation inference
• b/377499888 Allow restarting overridden functions in a final class
• b/390151896 Fix default arguments with varargs in @Composable functions
• b/388030459 Kotlin compiler backend exception when lambda with anonymous object is memoized
• b/310004740 Check vararg parameter length in skipping logic
• b/393400768 Use -1 for .changed call if nullable enum parameter is null
• b/388505454 Change order of $changed bits with context parameters
• b/165812010 Support default values in open @Composable functions (K2 only)
• b/285336821 Use stability of parent class in stability inference
• b/353744956 Fix context receiver/parameter handling in Compose
• b/195200551 Call Enum#ordinal on enum values passed to Composer#changed
• b/378697545 Avoid using ComposableSingletons inside public inline functions
• b/376148043 Use remember function source key for intrinsic remember
• b/345204571 Remove IR offsets for conditions generated by Compose compiler
• b/376058538 Fix stack overflow when inferring stability of indirect generic loop
• b/339322843 Transform @Composable property delegate references
• CMP-7571 1.8.0-alpha03 incompatible with Compose based on k1

IDE

• KT-59445 Recursion detected on input: JavaAnnotationImpl

IR. Actualizer

• KT-68830 Compiler crash on missing actual class
• KT-71809 Kotlin-to-Java direct actualization: the property isn't actualized by overridden getter
• KT-71817 Actualization of static members is broken for non-JVM platforms

IR. Inlining

Fixes

• KT-69681 IR: Report warnings on exposure of private types in non-private inline functions
• KT-72776 [JS] Add lowerings around inlining of private functions to the common prefix at the 1st phase of compilation
• KT-72775 [JS] Add lowerings up to "cache private inline functions" to the common prefix at the 1st phase of compilation
• KT-72440 [Native] Add lowerings around inlining of private functions to the common prefix at the 1st phase of compilation

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