Update kotlin (main)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlinx:kotlinx-coroutines-android	1.6.4 -> 1.9.0
org.jetbrains.kotlin.android	1.9.21 -> 2.1.0
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	1.7.10 -> 2.1.0

---

Release Notes

Kotlin/kotlinx.coroutines (org.jetbrains.kotlinx:kotlinx-coroutines-android)

v1.9.0

Compare Source

Features

• Wasm/WASI target support (#​4064). Thanks, @​igoriakovlev!
• limitedParallelism now optionally accepts the name of the dispatcher view for easier debugging (#​4023).
• No longer initialize Dispatchers.IO on the JVM when other standard dispatchers are accessed (#​4166). Thanks, @​metalhead8816!
• Introduced the Flow<T>.chunked(size: Int): Flow<List<T>> operator that groups emitted values into groups of the given size (#​1290).
• Closeable dispatchers are instances of AutoCloseable now (#​4123).

Fixes

• Calling hasNext on a Channel's iterator is idempotent (#​4065). Thanks, @​gitpaxultek!
• CoroutineScope() created without an explicit dispatcher uses Dispatchers.Default on Native (#​4074). Thanks, @​whyoleg!
• Fixed a bug that prevented non-Android Dispatchers.Main from initializing when the Firebase dependency is used (#​3914).
• Ensured a more intuitive ordering of tasks in runBlocking (#​4134).
• Forbid casting a Mutex to Semaphore (#​4176).
• Worked around a stack overflow that may occur when calling asDeferred on a Future many times (#​4156).

Deprecations and promotions

• Advanced the deprecation levels for BroadcastChannel-based API (#​4197).
• Advanced the deprecation levels for the old kotlinx-coroutines-test API (#​4198).
• Deprecated Job.cancelFutureOnCompletion (#​4173).
• Promoted CoroutineDispatcher.limitedParallelism to stable (#​3864).
• Promoted CoroutineStart.ATOMIC from ExperimentalCoroutinesApi to DelicateCoroutinesApi (#​4169).
• Promoted CancellableContinuation.resume with an onCancellation lambda to stable, providing extra arguments to the lambda (#​4088).
• Marked the classes and interfaces that are not supposed to be inherited from with the new InternalForInheritanceCoroutinesApi opt-in (#​3770).
• Marked the classes and interfaces inheriting from which is not stable with the new ExperimentalForInheritanceCoroutinesApi opt-in (#​3770).

Other

• Kotlin was updated to 2.0 (#​4137).
• Reworked the documentation for CoroutineStart and Channel-based API (#​4147, #​4148, #​4167). Thanks, @​globsterg!
• Simplified the internal implementation of Job (#​4053).
• Small tweaks, fixes, and documentation improvements.

v1.8.1

Compare Source

• Remove the @ExperimentalTime annotation from usages of TimeSource (#​4046). Thanks, @​hfhbd!
• Introduce a workaround for an Android bug that caused an occasional NullPointerException when setting the StateFlow value on old Android devices (#​3820).
• No longer use kotlin.random.Random as part of Dispatchers.Default and Dispatchers.IO initialization (#​4051).
• Flow.timeout throws the exception with which the channel was closed (#​4071).
• Small tweaks and documentation fixes.

Changelog relative to version 1.8.1-Beta

• Flow.timeout throws the exception with which the channel was closed (#​4071).
• Small documentation fixes.

v1.8.0

Compare Source

• Implement the library for the Web Assembly (Wasm) for JavaScript (#​3713). Thanks @​igoriakovlev!
• Major Kotlin version update: was 1.8.20, became 1.9.21.
• On Android, ensure that Dispatchers.Main != Dispatchers.Main.immediate (#​3545, #​3963).
• Fixed a bug that caused Flow operators that limit cancel the upstream flow to forget that they were already finished if there is another such operator upstream (#​4035, #​4038)
• kotlinx-coroutines-debug is published with the correct Java 9 module info (#​3944).
• kotlinx-coroutines-debug no longer requires manually setting DebugProbes.enableCoroutineCreationStackTraces to false, it's the default (#​3783).
• kotlinx-coroutines-test: set the default timeout of runTest to 60 seconds, added the ability to configure it on the JVM with the kotlinx.coroutines.test.default_timeout=10s (#​3800).
• kotlinx-coroutines-test: fixed a bug that could lead to not all uncaught exceptions being reported after some tests failed (#​3800).
• delay(Duration) rounds nanoseconds up to whole milliseconds and not down (#​3920). Thanks @​kevincianfarini!
• Dispatchers.Default and the default thread for background work are guaranteed to use the same context classloader as the object containing it them (#​3832).
• It is guaranteed that by the time SharedFlow.collect suspends for the first time, it's registered as a subscriber for that SharedFlow (#​3885). Before, it was also true, but not documented.
• Atomicfu version is updated to 0.23.1, and Kotlin/Native atomic transformations are enabled, reducing the footprint of coroutine-heavy code (#​3954).
• Added a workaround for miscompilation of withLock on JS (#​3881). Thanks @​CLOVIS-AI!
• Small tweaks and documentation fixes.

Changelog relative to version 1.8.0-RC2

• kotlinx-coroutines-debug no longer requires manually setting DebugProbes.enableCoroutineCreationStackTraces to false, it's the default (#​3783).
• Fixed a bug that caused Flow operators that limit cancel the upstream flow to forget that they were already finished if there is another such operator upstream (#​4035, #​4038)
• Small documentation fixes.

v1.7.3

Compare Source

• Disabled the publication of the multiplatform library metadata for the old (1.6 and earlier) KMP Gradle plugin (#​3809).
• Fixed a bug introduced in 1.7.2 that disabled the coroutine debugger in IDEA (#​3822).

v1.7.2

Compare Source

Bug fixes and improvements

• Coroutines debugger no longer keeps track of coroutines with empty coroutine context (#​3782).
• CopyableThreadContextElement now properly copies an element when crossing the coroutine boundary in flowOn (#​3787). Thanks @​wanyingd1996!
• Coroutine timeouts no longer prevent K/N newSingleThreadContext from closing (#​3768).
• A non-linearizability in Mutex during tryLock/unlock sequence with owners is fixed (#​3745).
• Atomicfu version is updated to 0.21.0.

v1.7.1

Compare Source

Bug fixes and improvements

• Special characters in coroutine names in JSON dumps are supported (#​3747)
• The binary compatibility of the experimental overload of runTest is restored (#​3673)
• Channels that don't use onUndeliveredElement now allocate less memory (#​3646)

v1.7.0

Compare Source

Core API significant improvements

• New Channel implementation with significant performance improvements across the API (#​3621).
• New select operator implementation: faster, more lightweight, and more robust (#​3020).
• Mutex and Semaphore now share the same underlying data structure (#​3020).
• Dispatchers.IO is added to K/N (#​3205)
  • newFixedThreadPool and Dispatchers.Default implementations on K/N were wholly rewritten to support graceful growth under load (#​3595).
• kotlinx-coroutines-test rework:
  • Add the timeout parameter to runTest for the whole-test timeout, 10 seconds by default (#​3270). This replaces the configuration of quiescence timeouts, which is now deprecated (#​3603).
  • The withTimeout exception messages indicate if the timeout used the virtual time (#​3588).
  • TestCoroutineScheduler, runTest, and TestScope API are promoted to stable (#​3622).
  • runTest now also fails if there were uncaught exceptions in coroutines not inherited from the test coroutine (#​1205).

Breaking changes

• Old K/N memory model is no longer supported (#​3375).
• New generic upper bounds were added to reactive integration API where the language since 1.8.0 dictates (#​3393).
• kotlinx-coroutines-core and kotlinx-coroutines-jdk8 artifacts were merged into a single artifact (#​3268).
• Artificial stackframes in stacktrace recovery no longer contain the \b symbol and are now navigable in IDE and supplied with proper documentation (#​2291).
• CoroutineContext.isActive returns true for contexts without any job in them (#​3300).

Bug fixes and improvements

• Kotlin version is updated to 1.8.20
• Atomicfu version is updated to 0.20.2.
• JavaFx version is updated to 17.0.2 in kotlinx-coroutines-javafx (#​3671)..
• JPMS is supported (#​2237). Thanks @​lion7!
• BroadcastChannel and all the corresponding API are deprecated (#​2680).
• Added all supported K/N targets (#​3601, #​812, #​855).
• K/N Dispatchers.Default is backed by the number of threads equal to the number of available cores (#​3366).
• Fixed an issue where some coroutines' internal exceptions were not properly serializable (#​3328).
• Introduced Job.parent API (#​3201).
• Fixed a bug when TestScheduler leaked cancelled jobs (#​3398).
• TestScope.timeSource now provides comparable time marks (#​3617). Thanks @​hfhbd!
• Fixed an issue when cancelled withTimeout handles were preserved in JS runtime (#​3440).
• Ensure awaitFrame only awaits a single frame when used from the main looper (#​3432). Thanks @​pablobaxter!
• Obsolete Class-Path attribute was removed from kotlinx-coroutines-debug.jar manifest (#​3361).
• Fixed a bug when updateThreadContext operated on the parent context (#​3411).
• Added new Flow.filterIsInstance extension (#​3240).
• Dispatchers.Default thread name prefixes are now configurable with system property (#​3231).
• Added Flow.timeout operator as @FlowPreview (#​2624). Thanks @​pablobaxter!
• Improved the performance of the future builder in case of exceptions (#​3475). Thanks @​He-Pin!
• Mono.awaitSingleOrNull now waits for the onComplete signal (#​3487).
• Channel.isClosedForSend and Channel.isClosedForReceive are promoted from experimental to delicate (#​3448).
• Fixed a data race in native EventLoop (#​3547).
• Dispatchers.IO.limitedParallelism(valueLargerThanIOSize) no longer creates an additional wrapper (#​3442). Thanks @​dovchinnikov!
• Various @FlowPreview and @ExperimentalCoroutinesApi are promoted to experimental and stable respectively (#​3542, #​3097, #​3548).
• Performance improvements in Dispatchers.Default and Dispatchers.IO (#​3416, #​3418).
• Fixed a bug when internal suspendCancellableCoroutineReusable might have hanged (#​3613).
• Introduced internal API to process events in the current system dispatcher (#​3439).
• Global CoroutineExceptionHandler is no longer invoked in case of unprocessed future failure (#​3452).
• Performance improvements and reduced thread-local pressure for the withContext operator (#​3592).
• Improved performance of DebugProbes (#​3527).
• Fixed a bug when the coroutine debugger might have detected the state of a coroutine incorrectly (#​3193).
• CoroutineDispatcher.asExecutor() runs tasks without dispatching if the dispatcher is unconfined (#​3683). Thanks @​odedniv!
• SharedFlow.toMutableList and SharedFlow.toSet lints are introduced (#​3706).
• Channel.invokeOnClose is promoted to stable API (#​3358).
• Improved lock contention in Dispatchers.Default and Dispatchers.IO during the startup phase (#​3652).
• Fixed a bug that led to threads oversubscription in Dispatchers.Default (#​3642).
• Fixed a bug that allowed limitedParallelism to perform dispatches even after the underlying dispatcher was closed (#​3672).
• Fixed a bug that prevented stacktrace recovery when the exception's constructor from cause was selected (#​3714).
• Improved sanitizing of stracktrace-recovered traces (#​3714).
• Introduced an internal flag to disable uncaught exceptions reporting in tests as a temporary migration mechanism (#​3736).
• Various documentation improvements and fixes.

Changelog for previous versions may be found in CHANGES_UP_TO_1.7.md

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

v2.1.0: Kotlin 2.1.0

Changelog

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 se

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