Update kotlin

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.jetbrains.kotlinx:kotlinx-coroutines-play-services	1.7.1 -> 1.10.2
org.jetbrains.kotlinx:kotlinx-datetime	0.7.1 -> 0.7.1-0.6.x-compat
com.google.devtools.ksp (source)	2.2.0-2.0.2 -> 2.3.0
org.jetbrains.kotlin.plugin.compose (source)	2.2.0 -> 2.2.21
org.jetbrains.kotlin.plugin.serialization (source)	2.2.0 -> 2.2.21
org.jetbrains.kotlin.multiplatform (source)	2.2.0 -> 2.2.21

---

Release Notes

Kotlin/kotlinx.coroutines (org.jetbrains.kotlinx:kotlinx-coroutines-play-services)

v1.10.2

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• Fixed the kotlinx-coroutines-debug JAR file including the module-info.class file twice, resulting in failures in various tooling (#​4314). Thanks, @​RyuNen344!
• Fixed Flow.stateIn hanging when the scope is cancelled in advance or the flow is empty (#​4322). Thanks, @​francescotescari!
• Improved handling of dispatcher failures in .limitedParallelism (#​4330) and during flow collection (#​4272).
• Fixed runBlocking failing to run its coroutine to completion in some cases if its JVM thread got interrupted (#​4399).
• Small tweaks, fixes, and documentation improvements.

v1.10.1

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• Fixed binary incompatibility introduced for non-JVM targets in #​4261 (#​4309).

v1.10.0

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• Kotlin was updated to 2.1.0 (#​4284).
• Introduced Flow.any, Flow.all, and Flow.none (#​4212). Thanks, @​CLOVIS-AI!
• Reorganized kotlinx-coroutines-debug and kotlinx-coroutines-core code to avoid a split package between the two artifacts (#​4247). Note that directly referencing kotlinx.coroutines.debug.AgentPremain must now be replaced with kotlinx.coroutines.debug.internal.AgentPremain. Thanks, @​sellmair!
• No longer shade byte-buddy in kotlinx-coroutines-debug, reducing the artifact size and simplifying the build configuration of client code. Thanks, @​sellmair!
• Fixed NullPointerException when using Java-deserialized kotlinx-coroutines-core exceptions (#​4291). Thanks, @​AlexRiedler!
• Properly report exceptions thrown by CoroutineDispatcher.dispatch instead of raising internal errors (#​4091). Thanks, @​zuevmaxim!
• Fixed a bug that delayed scheduling of a Dispatchers.Default or Dispatchers.IO task after a yield() in rare scenarios (#​4248).
• Fixed a bug that prevented the main() coroutine on Wasm/WASI from executing after a delay() call in some scenarios (#​4239).
• Fixed scheduling of runBlocking tasks on Kotlin/Native that arrive after the runBlocking block was exited (#​4245).
• Fixed some terminal Flow operators sometimes resuming without taking cancellation into account (#​4254). Thanks, @​jxdabc!
• Fixed a bug on the JVM that caused coroutine-bound ThreadLocal values not to get cleaned when using non-CoroutineDispatcher continuation interceptors (#​4296).
• Small tweaks, fixes, and documentation improvements.

v1.9.0

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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

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• 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

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• 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

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• 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

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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.

google/ksp (com.google.devtools.ksp)

v2.3.0

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What's Changed

• KSP1 has been deprecated #​2657
• KSP is now independent of Kotlin Versions #​2658

Full Changelog: google/ksp@2.2.20-2.0.4...2.3.0

v2.2.20-2.0.4

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What's Changed

• Unable to build on AGP 8.11.1 using KSP 2.2.20-2.0.3 due to class cast exception #​2614

• Resolver#getJvmCheckedException(KSPropertyAccessor) throws IllegalArgumentException #​2548

• ClassCastException when building with 2.2.20-2.0.3 #​2598

• Replace KaFirStopWorldCacheCleaner with no-op implementation #​2626

• BuildConfig values are not available during annotation process after upgrading ksp from 2.2.10-2.0.2 -> 2.2.20-2.0.3 #​2597

• Missing Gradle task wiring with 2.2.20-2.0.3 #​2595

• 2.2.20-2.0.3 + protobufJavalite build errors #​2596

Contributors

Thanks to everyone who reported bugs and participated in discussions!

Full Changelog: google/ksp@2.2.20-2.0.3...2.2.20-2.0.4

v2.2.20-2.0.3

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What's Changed

• Removed usages of deprecated KGP ApiVersion - #​2400
• Android integration for KSP has moved on to the new Variant API - #​2250
• Runtime warning was added for projects that opt out of KSP2 - #​2538
• AGP version against which KSP is compiled has been upgraded - #​2552

Contributors

Thanks to everyone who reported bugs and participated in discussions!

Full Changelog: google/ksp@2.1.21-2.0.2...2.2.20-2.0.3

v2.2.20-2.0.2

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What's Changed

• Kotlin version: 2.2.20 by @​mkmuir0 in #​2590

Full Changelog: google/ksp@2.2.20-RC2-2.0.2...2.2.20-2.0.2

v2.2.10-2.0.2

Compare Source

What's Changed

• Kotlin version: 2.2.10 by @​mkmuir0 in #​2555

Full Changelog: google/ksp@2.2.10-RC2-2.0.2...2.2.10-2.0.2

JetBrains/kotlin (org.jetbrains.kotlin.plugin.compose)

v2.2.21: Kotlin 2.2.21

Changelog

Backend. Wasm

• KT-81372 K/Wasm: JsException: Exception was thrown while running JavaScript code on Safari 18.2/18.3
• KT-80018 K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit)

Compiler

• KT-81191 K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code
• KT-80936 NON_PUBLIC_CALL_FROM_PUBLIC_INLINE : @PublishedApi doesn't work for fun interfaces

JavaScript

• KT-79926 Wrong export of interfaces with companions with ES Modules
• KT-81424 Kotlin/JS: Cannot Get / in a simple running application
• KT-80873 KJS: Stdlib requires ES2020-compatible JS engine due to BigInt type literal

Native

• KT-79384 K/N: Application Not Responding: Thread Deadlock

Tools. Gradle

• KT-79047 Gradle compileKotlin fails with configuration cache
• KT-81148 Publishing helpers in KGP are incompatible with Isolated Projects
• KT-80950 KGP breaks configuration cache when signing plugin with GnuPG is applied

Tools. Gradle. Multiplatform

• KT-61127 Remove scoped resolvable and intransitive DependenciesMetadata configurations used in the pre-IdeMultiplatformImport IDE import
• KT-81249 Kotlin 2.2.20 broke KMP implementation of Parcelize

Tools. Gradle. Native

• KT-81510 commonizeCInterop exception with 'kotlinNativeBundleConfiguration' not found
• KT-81134 Native: Gradle configuration failure likely related to Klibs cross-compilation
• KT-77732 commonizeCInterop failed with "Unresolved classifier: platform/posix/size_t"
• KT-80675 Commonized cinterops between "test" compilations produce an import failure

Tools. Maven

• KT-81218 Kotlin Maven Plugin 2.2.20: Java classes not resolved with enabled incremental compilation without daemon

Tools. Wasm

• KT-80582 Multiple reloads when using webpack dev server after 2.2.20-Beta2

v2.2.20

Analysis API

• KT-78187 Synthetic properties not to be shown as callables
• KT-72525 K2. red code and KIWA on new-lines in guarded when conditions (with parentheses)
• KT-74246 KaVisibilityChecker.isVisible is inefficient with multiple calls on the same use-site

Analysis API. Code Compilation

• KT-78382 K2 IR lowering error when interface extends interface
• KT-73201 K2 IDE: Error while evaluating expressions with local classes
• KT-78164 Evaluator: '@JvmName' annotations are not recognized in other modules
• KT-76457 K2 IDE / KMP Debugger: KISEWA “Cannot compile a common source without a JVM counterpart” on evaluating inline fun from common module inside jvm
• KT-73084 K2 evaluator cannot resolve local variables standing at the closing brace

Analysis API. FIR

Performance Improvements

• KT-76490 Do not load ast during the contracts phase if no contracts present
• KT-78132 Do not check FirElementBuilder#tryGetFirWithoutBodyResolve optimization for already resolved declarations

Fixes

• KT-72227 SOE from recursive value class
• KT-68977 K2 IDE: Reference to companion object through typealias in a function call does not work
• KT-72357 Implement partial body resolution
• KT-76932 Support context parameters on dangling modifier list
• KT-72407 FirImplementationByDelegationWithDifferentGenericSignatureChecker: FirLazyExpression should be calculated before accessing
• KT-77602 K2 / Analysis API: KAEWA “No fir element was found for KtParameter” on incorrect context()-call
• KT-77629 K2: NPE: "org.jetbrains.kotlin.fir.java.declarations.FirJavaTypeParameter.performFirstRoundOfBoundsResolution"
• KT-76855 Analysis API: KaType.asPsiType returns null for a local inner class in dependent analysis tests
• KT-72718 ImplicitReceiverValue.createSnapshot creates invalid FIR if receiver is smart-casted
• KT-76811 Analysis API: resolveToFirSymbol finds a FirPropertySymbol for a KtScript in dependent analysis
• KT-73586 [Analysis API] Add lazyResolveToPhase(STATUS) before accessing modifiers of members
• KT-71135 AA: exception from sealed inheritors checker when analyzeCopy
• KT-75534 K2 AA: "Containing declaration should present for nested declaration class KtNamedFunction" with dangling annotation on top-level anonymous function
• KT-75687 K2: local variable doesn't get to the do-while scope
• KT-56543 LL FIR: rework lazy transformers so transformers modify only declarations they suppose to

Analysis API. Infrastructure

• KT-76809 Analysis API: Dependent analysis tests frequently work with the original element instead of the copied element

Analysis API. Light Classes

• KT-78835 Find usages of a light constructor from a class with an empty body finds usages of class as well
• KT-78878 K2. Method shown as unavailable in Java when @JvmExposeBoxed is applied (redundantly) at both class and method level in Kotlin
• KT-78065 Support "Expose boxed inline value classes" in Light Classes
• KT-78076 DLC: KotlinDeclarationInCompiledFileSearcher missed accessors if types are boxed
• KT-77569 SLC: annotation missing from generated no-args constructor
• KT-75182 K2 AA. False positive red code "Unresolved reference" to a Kotlin method in Java when Kotlin uses a value class with @JvmOverloads
• KT-77564 Constructor with JvmOverloads and value class shouldn't mark regular constructors private
• KT-77505 K2: find usages on java accessor methods do not detect kotlin property accessor usages
• KT-76789 Annotation resolve shouldn't search through non-class members
• KT-76907 Wrong equality between repeatable annotation and container

Analysis API. Providers and Caches

• KT-77578 Analysis API: Performance degradation of KaBaseResolutionScope.contains after introduction of library restriction scopes
• KT-78640 Analysis API: Remove "friend builtins provider" from FirDeclarationForCompiledElementSearcher
• KT-74907 Analysis API: Apply platform-based library module content restrictions consistently
• KT-77605 AA: Leaking KaDanglingFileModule through IdeKotlinPackageProvider
• KT-62474 Analysis API: Improve mergeability and performance of custom search scopes
• KT-77022 Get rid of ExpectBuiltinPostProcessor workaround
• KT-77248 Delegation of JavaModuleResolver is restricted to CliJavaModuleResolver
• KT-76850 LLFirLibrarySession cannot be cast to LLFirResolvableModuleSession
• KT-76952 Analysis API: when exhaustiveness analysis fails for sealed classes in dangling files
• KT-72390 Kotlin project full of red code

Analysis API. Standalone

• KT-78638 Analysis API Standalone: Stdlib builtins are not indexed in STUBS deserialized declaration origin mode

Analysis API. Stubs and Decompilation

• KT-77496 Support HAS_MUST_USE_RETURN_VALUE metadata flags in FirStubBasedMemberDeserializer
• KT-77778 Function receivers doesn't have annotations
• KT-77777 Receiver annotations shouldn't be present on types
• KT-77538 Support default property accessors with annotations
• KT-77763 Decompiled stubs miss inline modifier for property accessors
• KT-77309 Decompiled property from annotation constructor with default value should have a constant initializer
• KT-77168 Prefer DataInputOutputUtil for serialization/deserialization
• KT-77117 Flaky WRONG_ANNOTATION_TARGET diagnostic
• KT-76791 Function signature types are deserialized inconsistently
• KT-76947 Support functional types with context parameters

Analysis API. Surface

New Features

• KT-73473 Provide KaExpressionInformationProvider.isUsedAsResultOfLambda
• KT-77278 Implement psi-based KaFirKotlinPropertyKtPropertyBasedSymbol#hasBackingField
• KT-70770 KaLocalVariableSymbol: support isLateInit

Performance Improvements

• KT-78526 Get rid of redundant checkValidity from withPsiValidityAssertion

Fixes

• KT-77674 Analysis API: Redundant smart cast to the original type
• KT-76577 Guard KaFirStopWorldCacheCleaner from deadlocks via threads waiting
• KT-78820 K2: ISE "FIR element class FirErrorExpressionImpl is not supported in constant evaluation" through RedundantValueArgumentInspection
• KT-75057 Analysis API: Reference to object through typealias in invoke operator call leads to original type
• KT-79042 Do not restore KaTypePointer if target kind has changed
• KT-72421 AA: "KtReference.resolveToSymbols" returns empty list when ASSIGN_OPERATOR_AMBGUITY error is present
• KT-63464 AA: KtPsiTypeProvider#asPsiType doesn't substitute kotlin.Unit
• KT-75913 K2: SymbolLightLazyAnnotation evaluates arguments and replaces them with constants
• KT-78628 K2. Setting Receiver=true in Change Signature produces parameter of regular function type receiver instead of extension function type
• KT-78278 ISE: FIR element "class org.jetbrains.kotlin.fir.expressions.impl.FirErrorResolvedQualifierImpl" is not supported in constant evaluation at org.jetbrains.uast.kotlin.internal.FirKotlinUastConstantEvaluator.evaluate
• KT-73184 Analysis API: KaFunctionCall.argumentMapping is unexpectedly deparenthesised
• KT-73327 Cover all psi inputs with scope validity assertions
• KT-78613 PSI: add binary compatibility checks
• KT-74013 Analysis API: Cover the API surface with @SubclassOptInRequired annotations
• KT-76614 Move the parser and lexer to a separate module
• KT-78552 KaFunctionValueParameter is not marked as KaLifetimeOwner
• KT-71152 Add back SubclassOptInRequired to classes in KaModule.kt
• KT-71876 Support storing parameter names in KaFunctionType
• KT-77738 AA: inconsistent KaType.allSupertypes regarding multiple iterations
• KT-75358 K2 AA, KaFirVisibilityChecker: private member of anonymous object is not visible inside it
• KT-73723 K2 AA, KaFirVisibilityChecker: protected member of superclass is not visible from anonymous object
• KT-78057 [Analysis API, K2] Context parameters are not resolved in KDoc
• KT-73758 K2 Mode: "KaEvaluator.evaluate" does not work for simple arithmetic expressions
• KT-72301 K2 AA. PSI should present for declaration built by Kotlin code on property access syntax of generic Java getter through Kotlin subclass
• KT-77730 K2: Unable to get a light PSI for a nested annotation used with fully-qualified name
• KT-73216 K2: unresolvable references in type parameters
• KT-71794 Analysis API: Types with errors have unresolved qualifiers in lambda parameters position
• KT-65846 Support parameter names in functional type rendering
• KT-76738 K2 AA: rendering constructor of sealed class inserts protected modifier
• KT-77515 KaTypeProvider#receiverType should be more tolerant to an error code
• KT-77333 K2 AA: KaFirTypeProvider.getType: InvalidFirElementTypeException: For TYPE_REFERENCE with text I, unexpected element of type: FirSuperReceiverExpressionImpl found
• KT-76044 K2 AA: isFun is true for restored symbol of Java interface with several methods
• KT-77264 KaTypeProvider#type should be more tolerant to an error code
• KT-77282 KaPropertySymbol: support isDelegatedProperty for libraries
• KT-77254 K2 AA: expectedType doesn't provide anything for parameter default value
• KT-74777 KaVariableSymbol.hasBackingField returns incorrect result for libraries
• KT-77280 Rename KaPropertyAccessorSymbol#isCustom to isNotDefault
• KT-77210 Analysis API: scopeContext shows implicit receiver with a class instance in the class constructor
• KT-77196 Clarify differences between KaPropertyAccessorSymbol#{isDefault, hasBody}
• KT-76580 K2: No expected type for the second+ vararg argument
• KT-76750 K2. internal exception 'Unable to provide inlay hint' on typo in nested lambdas
• KT-73290 Analysis API: Improve the architecture of content scopes and resolution scopes
• KT-73055 Get rid of the deprecated Analysis API API
• KT-70199 K2: ConcurrentModificationException at FirCallCompleter$LambdaAnalyzerImpl.analyzeAndGetLambdaReturnArguments

Backend. Wasm

New Features

• KT-65721 K/Wasm: stop unconditionally exporting any main function from the root package

Performance Improvements

• KT-70097 Optimize shared primitive variables in Native and Wasm

Fixes

• KT-80106 devServer in Kotlin/Wasm overwrites defaults, causing missing static paths
• KT-80018 K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit)
• KT-66072 K/Wasm: improve how exceptions work in JS interop
• KT-77897 WasmJs: ClassCastException when using star-projection with nullable transformation in generic extension function
• KT-71533 K/Wasm + K2: no error on KClass::qualifiedName usages
• KT-73931 WASM: "RuntimeError: illegal cast" with nullable generic
• KT-65403 [WASM] RuntimeError is thrown instead of ClassCastException
• KT-79317 [Wasm] Do not throw CCE for ExcludedFromCodegen declarations
• KT-66085 K/WASM: Runtime error is uncaught with catch (e: Throwable)
• KT-78036 K/Wasm: generate a message with "expected" and "actual" types in case of CCE
• KT-78384 K/Wasm: Incorrect debug info of local declarations in inline function from another file
• KT-72220 Wasm: Unclear exception in case of missed dependency
• KT-71691 No trace on Wasm/JS if an error occurred in initializing global variables in a file with the main function
• KT-67554 [Wasm] Consider to have reference equals or/and equals for function references
• KT-71521 K/Wasm: incorrect results on equality checks for capturing property references
• KT-71522 K/Wasm: incorrect results on equality checks for function references
• KT-69570 K/Wasm: JsExport with default parameter value compiles to invalid Wasm
• KT-71517 K/Wasm: KClass::qualifiedName for local classes and objects returns non-null value
• KT-68309 WASM: Anonymous class simpleName returns "" instead of null
• KT-77272 K/Wasm: Remove kotlin.wasm.internal.ClosureBox* classes from the standard library
• KT-66106 Wasm: lambda was not invoked in test lambda2.kt
• KT-77855 [Wasm] Improve virtual function calls speed for lambdas
• KT-77501 Wasm: unsigned vararg compiles to invalid Wasm
• KT-76775 [Wasm] Inconsistent FP mod operation
• KT-77464 Wasm: KType.toString() has simple names even with -Xwasm-kclass-fqn
• KT-77465 Wasm: KTypeParamter printed without variance information

Compiler

New Features

• KT-71768 Enable -Xjvm-default=all-compatibility by default to generate JVM default interface methods
• KT-78374 Make indy lambda function name generation more consistent
• KT-45683 Allow generics in contract type assertions
• KT-27090 Support contracts in getter and setter for top-level extension properties
• KT-76766 Warning is missing for wrong subclass checking
• KT-71244 Incorporate existing @CheckReturnValue annotation(s) into Kotlin's unused return value checker
• KT-73256 Implement all meta-target for annotations
• KT-78792 Report warning for redundant return in expression body
• KT-32313 Support contracts for operator functions
• KT-70722 Implement better Kotlin warnings for value classes and JEP 390 (Warnings for Value-Based Classes)
• KT-65688 Generate when-expressions over final classes via invokedynamic typeSwitch + tableswitch on JDK 21+
• KT-54344 Trigger the unused expression warning for interpolated strings, even when the expression may have side effects
• KT-74807 Implement 'full' unused return value checker mode
• KT-77653 K/N: an optimization pass to remove redundant type checks
• KT-64477 Enhance KotlinLightParser to make it able to parse scripts
• KT-74809 Support unnamed local variables
• KT-72941 ANNOTATIONS_ON_BLOCK_LEVEL_EXPRESSION_ON_THE_SAME_LINE missing in K2
• KT-75061 Support context-sensitive resolution in type position

Performance Improvements

• KT-77993 Optimize old PSI/LightTree Kotlin parser
• KT-78672 Consider having FirCallableSymbol.callableId null for local properties / parameters
• KT-77839 K2: consider not creating CallableId for value parameters / variables / fields
• KT-74981 Kotlin/Native: large binary size for iOS target in 2.1.0(LLVM16)
• KT-77838 K2: consider replacing LinkedHashMap with HashMap inside scopes and scope session
• KT-76698 Android Studio compose preview holds read lock 700ms for KaCompilerFacility API
• KT-68677 Kotlin compilation issue when using EnumMap and Pair

Fixes

• KT-79979 K2: ClassCastException when overriding extension property with delegation
• KT-67146 UPPER_BOUND_VIOLATED missing on implicit type arguments
• KT-76477 Kotlin/Native: fix compiler performance reporting in sources->klib and klibs->binary
• KT-79866 kotlinc 2.2.0 silently emits 'NonExistentClass' instead of reporting an error
• KT-78666 "Platform declaration clash" caused by indy lambda name generation which generates conflicting names
• KT-80285 IJ monorepo: broken compilation after 2.2.20-RC update
• KT-79442 "Multiple annotations of type kotlin.coroutines.jvm.internal.DebugMetadata": 2.2.0-Beta1 generates broken code with JVM default suspend methods in interfaces
• KT-78589 "Class does not have member field" caused by delegation from a Java to Kotlin class
• KT-79816 Java Interfaces implemented by delegation have non-null return checks
• KT-78097 False positive NO_ELSE_IN_WHEN on sealed interface with negative is check
• KT-77182 A function in a file annotated with @file:MustUseReturnValue doesn't produce a warning when it is used from compiled code
• KT-79085 Adding -Xreturn-value-checker=full to kotlinc causes "error: conflicting overloads"
• KT-75268 K2: Implement the new compilation scheme for MPP (compiler part)
• KT-78843 FIR tree: comments within String concatenation aren't visited in 2.2.0
• KT-77401 [FIR] ParameterNameTypeAttribute.name doesn't support @ParameterName with compile-time constant property argument
• KT-73611 Remove -Xextended-compiler-checks in favor of a deprecation cycle
• KT-79276 Dexing fails with "Cannot read field X because is null" with 2.2.0
• KT-79781 Missing MISSING_DEPENDENCY_CLASS when using type alias with inaccessible RHS
• KT-78621 false-positive type mismatch error on value of nullable type as value of platform type
• KT-79547 "UnsupportedOperationException: Not supported" with inlining and value classes
• KT-52706 Bad signature for generic value classes with substituted type parameter
• KT-79519 Nested type alias is unreachable from another module
• KT-76839 False-negative MISSING_DEPENDENCY_CLASS on parameter of data class constructor
• KT-78352 False-positive IDENTITY_SENSITIVE_OPERATIONS_WITH_VALUE_TYPE when comparing with equality operator (==)
• KT-78815 Symbol not found: __ZNSt3__117bad_function_callD1Ev error on iOS 15.5 simulator in Xcode 16.3 after update to 2.2.0-Beta2
• KT-25341 NOT_YET_SUPPORTED_IN_INLINE reported over anonymous object border
• KT-77099 'all' annotation target is not a soft keyword
• KT-76478 FIR: Implement IDE-only checker for types exposed in inline function
• KT-79355 Failed to fix the problem of desugared inc with new reverse implies returns contract
• KT-79277 Implies returns contract doesn't affect the return type of the function if it is in the argument position
• KT-79271 Implies returns contract doesn't impact exhaustiveness
• KT-79218 SMARTCAST_IMPOSSIBLE for top‑level extension‑property getter despite returnsNotNull contract
• KT-79220 returnsNotNull contract ignored on extension function with nullable receiver
• KT-79354 IllegalStateException: Debug metadata version mismatch. Expected: 1, got 2 with compiler 2.2.20-Beta1 and stdlib 2.2.0
• KT-78479 IR lowering failed / Unexpected null argument for composable call
• KT-77986 K2: False negative: "Local classes are not yet supported in inline functions"
• KT-79076 'IllegalStateException: Cannot serialize error type: ERROR CLASS: Uninferred type' with Exposed column using recursive generic type
• KT-78726 Split runPsiToIr phase into runPsiToIr and runIrLinker
• KT-77672 K/N: come up with a fallback strategy for the casts optimization pass
• KT-76365 K2: Missing ABSTRACT_SUPER_CALL
• KT-76585 K2: RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY is not reported inside initializers of local variables
• KT-79099 K2: Do not inherit inline modifier
• KT-76902 Omit type-use annotations from diagnostics
• KT-64499 Report error on overloading by order of context parameters
• KT-58988 K2: Deprecate exposing package-private parameter of internal method
• KT-77199 OPT_IN_USAGE_ERROR is still absent when calling the enum primary constructor
• KT-72800 K2: java.util.NoSuchElementException when introduce variable
• KT-79056 Add experimental language version 2.5
• KT-17460 Diagnostics and intention on suspend function that is overriden with non-suspend one.
• KT-78351 Plugins: VIRTUAL_MEMBER_HIDDEN caused by FirSupertypeGenerationExtension
• KT-78527 No LESS_VISIBLE_TYPE_ACCESS_IN_INLINE_WARNING is reported when a private companion object is accessed via the class name
• KT-79045 FirExpectActualMatcherTransformer should not visit bodies
• KT-74570 K2: Linenumber for annotation on property is present in LVT
• KT-74569 K2: Linenumber of annotation is present in constructor's LVT
• KT-64731 K2: Annotation on inline function or inside inline function is hit by debugger
• KT-77756 Add experimental language version 2.4
• KT-78837 linkReleaseFrameworkIosArm64: Compilation failed: An interface expected but was Any
• KT-78945 CONTRACT_NOT_ALLOWED is not reported for local operator functions
• KT-78944 ANNOTATION_IN_CONTRACT_ERROR is not reported for operators and property accessors with contracts
• KT-78943 ERROR_IN_CONTRACT_DESCRIPTION is not reported for operators and property accessors with contracts
• KT-78932 Contracts are allowed for open and overridden property accessors
• KT-77203 FIR: Consider add

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