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ChangeLog-1.9.X.md

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1.9.24

Backend. Wasm

  • KT-64890 K/Wasm compiler crash with external class and Kodein

Compiler

  • KT-65235 JDK 21 might lead to change in overloads resolution
  • KT-66768 K1: False positive UNRESOLVED_REFERENCE in super.getFirst/getLast call

Native

  • KT-67218 Native: nested classes in kx.serialization ProtoBuf produce empty array for release binary

Tools. Gradle

  • KT-67139 Build reports can be overridden
  • KT-67138 Json report is empty for incremental compilation

Tools. Gradle. Multiplatform

  • KT-67127 KMP: IDE Dependency Resolver for CInterops reports errors on linux and windows machines
  • KT-66514 Don't get output file from Cinterop task for IDE Import if host os doesn't support it

Tools. JPS

  • KT-65043 JPS dumb mode should respect maps needed for the compiler

Tools. Wasm

  • KT-67785 Kotlin/Wasm: Node.JS 22 does not need experimental-wasm-gc flag anymore
  • KT-65864 K/Wasm: update Node.js to 22.x

1.9.23

Apple Ecosystem

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

Backend. Wasm

  • KT-58088 [PL] Support & enable partial linkage for Wasm
  • KT-64486 Kotlin/Wasm/WASI exported function callback for coroutines support

Compiler

  • KT-53478 Could not load module
  • KT-66044 JDK's new API is used over Kotlin's SDK functions
  • KT-64640 Prevent mutating SequenceCollection methods from JDK 21 be available on read-only collections
  • KT-65441 K1: Remove JDK 21 getFirst()/getLast() in (Mutable)List interfaces
  • KT-65634 K/N: data race during monolithic cache creation
  • KT-53109 CompilationErrorException generateUnboundSymbolsAsDependencies with builder inference and lambdas
  • KT-52757 Type inference for builders fails if inferred from a function

Tools. Gradle

  • KT-65792 Add JSON build report
  • KT-65091 Update compiler metrics in build reports
  • KT-62490 KGP dropping resource directories

Tools. Gradle. JS

  • KT-64119 K/JS: Migrate package manager from Yarn onto NPM
  • KT-64561 K/JS tests are not executed after upgrade to 1.9.22

Tools. Gradle. Multiplatform

  • KT-65954 commonTest dependencies affect commoMainMetadata compilation

Tools. Gradle. Native

  • KT-64573 Default value for produceUnpackedKlib was not provided

1.9.22

JavaScript

  • KT-63719 KJS: Test results ignored for ES module kind
  • KT-63808 compileTestDevelopmentExecutableKotlinJs failed in JsIntrinsicTransformers

Native

  • KT-64139 Weird bug with while and coroutine in Kotlin Native
  • KT-63471 linkDebugTestIosX64 Failed to build cache: NoSuchFileException bitcode_deps
  • KT-63789 Native: Incremental compilation problem with compose

Tools. CLI

  • KT-64485 CLI: cache and optimize parsing of command-line arguments

Tools. Gradle

  • KT-63990 "Cannot query the value of property 'buildFlowServiceProperty' because it has no value available" with Isolated Projects

Tools. Gradle. Native

  • KT-63363 Kotlin Gradle Plugin: KotlinNativeHostSpecificMetadataArtifact breaks configuration cache, implicitly includes output file as configuration cache input
  • KT-63742 Gradle wrongly caches Kotlin/Native compiler flags

Tools. JPS

  • KT-64305 Kotlin JPS builder requests chunk rebuild with graph implementation
  • KT-64112 Avoid using IJ's JPS mappings in Kotlin JPS tests
  • KT-63799 Make plugin classpath serialization path agnostic

1.9.21

Compiler

  • KT-62885 Introduce a language feature entry for expect actual classes for easier configuration of MPP projects
  • KT-63081 Optimize new native caches: CachedLibraries.computeVersionedCacheDirectory()

Docs & Examples

  • KT-55619 Document String.format function

IDE. Gradle Integration

  • KT-62877 Artifact files collecting for project configuration was finished. Resolution for configuration configuration X will be skipped

IDE. Gradle. Script

  • KT-60813 Scripts: NoSuchMethodError: 'void org.slf4j.Logger.error(java.lang.String, java.lang.Object)' when dependency uses Slf4j API

JavaScript

  • KT-60785 KJS: Destructured value class in suspend function fails with Uncaught TypeError: can't convert to primitive type error
  • KT-63207 KMP / JS: "TypeError: <mangled_name> is not a function" with 1.9.20
  • KT-62778 package.json "main" field has .js extension when the result files have .mjs extension
  • KT-61795 KJS: Incremental Cache is not invalidated if useEsClasses compiler argument was changed
  • KT-61957 KJS: "Uncaught ReferenceError: entries is not defined" caused by enum class with @JsExport and Enum.entries call
  • KT-62444 KJS with commonJS modules should re-export in 1.9.20
  • KT-63184 KJS / Serialization: JsExport on serializable interface creates erroneous TypeScript
  • KT-62190 KJS: "IllegalStateException: Expect to have either super call or partial linkage stub inside constructor" caused by Compose and useEsModules()
  • KT-58685 KJS: "IllegalStateException: Not locked" cused by "unlock" called twice

Klibs

  • KT-62515 Interop klib of concurrent version is not accepted when building dependent project: "The library versions don't match"

Tools. CLI

  • KT-63139 Incorrect kotlin implementation version (1.9.255-SNAPSHOT) in metadata info

Tools. Gradle

  • KT-63499 Gradle: Source sets conventions are still registered

Tools. Gradle. JS

  • KT-59523 MPP / KJS: ESM modules uses incorrect file extension on package.json (.mjs)

Tools. Gradle. Kapt

  • KT-63366 Kapt processing fails with custom source sets

Tools. Gradle. Multiplatform

  • KT-32608 Create JUnit-XML result file in multiplatform gradle build
  • KT-63315 Wasm gradle plugin DSL is invalid for parameterless wasmWasi method
  • KT-63338 [KMP] metadata task fails to find cinterop classes from dependency projects
  • KT-63044 KGP: Multiplatform - 8.4 configuration cache support
  • KT-63011 Apple Framework Artifacts is not connected to KotlinNativeTask
  • KT-62601 AS/IntelliJ exception after updating a KMP project with a macos target to Kotlin 1.9.20-RC

Tools. Incremental Compile

  • KT-61590 K2/KMP: Expect actual matching is breaking on the incremental compilation

Tools. JPS

  • KT-63594 ClassCastException in JPS statistics
  • KT-63651 Fix NPE in Kotlin JPS after enabling graph implementation of JPS

Tools. Kapt

  • KT-57389 KAPT3 uses a Javac API for JCImport which will break in JDK 21
  • KT-60507 Kapt: "IllegalAccessError: superclass access check failed" using java 21 toolchain

Tools. Scripts

  • KT-54819 Scripts: Not able to use slf4j in .main.kts
  • KT-61727 Scripts: Maven artifacts resolution is slow

1.9.20

Analysis. API

New Features

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

Performance Improvements

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

Fixes

  • KT-59240 K2: FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from superTypes
  • KT-58499 K2: FirLazyBlock should be calculated before accessing
  • KT-57966 K2: Analysis API: Reference Shortener does not work correctly when called on entire file
  • KT-60954 K2: Analysis API: Reference shortener does not work correctly with variable assignments
  • KT-60940 K2: Analysis API: Reference shortener incorrectly handles types in vararg parameters declarations
  • KT-60488 Analysis API: forbid providing custom KtLifetimeToken for every analyze call
  • KT-60728 K2: proper support for scripts in LL FIR transformers
  • KT-59159 K2 IDE: declaration is not found exception
  • KT-59297 K2: exception from body resolve leads to corrupted state and broken analysis
  • KT-59077 KtFirExpressionTypeProvider behaviour for KtSimpleNameReferences in function calls
  • KT-60586 K2: forbid analyze from write action
  • KT-57743 K2 IDE: StackOverflowError from LLFirSessionCache for simple JPS project with cyclic dependencies
  • KT-61026 K2 Scripts: FirLazyExpression should be calculated before accessing from on-air resolve
  • KT-61009 K2 Scripts: KtFirExpressionTypeProvider: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
  • KT-60357 K2 IDE. Reified types parameters are not resolved in a function body
  • KT-60317 K2 IDE. IAE "This method will only work on compiled declarations, but this declaration is not compiled" on invoking Find Usages for enum method in library
  • KT-60706 K2 IDE: FirJvmTypeMapper is not found for kotlin.kotlin-stdlib-common
  • KT-60552 K2: merge StateKeeper and lazy body calculator for ANNOTATIONS_ARGUMENTS_MAPPING transformer
  • KT-60641 Analysis API: Scope for class org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl not found exception when stdlib is missing
  • KT-60638 K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
  • KT-54846 Analysis API: add isExpect/isActual to KtSymbol
  • KT-60448 FirLazyResolveContractViolationException: lazyResolveToPhase(COMPILER_REQUIRED_ANNOTATIONS) cannot be called from a transformer with a phase COMPILER_REQUIRED_ANNOTATIONS from AllOpen plugin
  • KT-59342 K2 IDE. FirLazyResolveContractViolationException: lazyResolveToPhase(TYPES) cannot be called from a transformer with a phase TYPES
  • KT-59687 K2: Implement proper body update for in-block modifications
  • KT-59329 Resolve Extensions reference resolution breaks Find Usages
  • KT-60295 K2: move checkIsResolved for annotations from LLFirAnnotationArgumentsLazyResolver to LLFirTypeLazyResolver
  • KT-59758 K2: Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImplWithoutSource from ReturnTypeCalculatorWithJump
  • KT-60377 K2 IDE: This method will only work on compiled declarations, but this declaration is not compiled
  • KT-59685 K2: rewrite on-air resolution
  • KT-60132 K2: properties and functions without a name should be re-analyzable as well
  • KT-59199 K2 IDE: PSI changes which do not cause OOB modifications can be unseen from the FIR elements
  • KT-59667 Analysis API: PsiInvalidElementAccessException from JavaClassifierTypeImpl.substitutor
  • KT-59705 KotlinExceptionWithAttachments: No fir element was found for getter
  • KT-59697 AA standalone: JRT module paths are not properly populated in Windows
  • KT-59505 K2: implicit type lazy resolution doesn't work for delegated declaration from other module
  • KT-56426 K2 IDE: Typealised functional types cannot be rendered
  • KT-59598 AA: stackoverflow while simplifying a type with a recursive type parameter
  • KT-58497 K2: Expected FirResolvedTypeRef for initializer type of FirPropertyImpl(Source) but FirImplicitTypeRefImplWithoutSource found
  • KT-59511 AA standalone mode creates Application Environment for tests
  • KT-58161 Analysis API: Make methods in KtCallResolverMixIn more distinctive based on their receiver/return type
  • KT-59093 Do not throw exception on KtCall resolution, KtCallElement.resolveCall should return null on unknown cases
  • KT-59243 K2: FirLazyResolveContractViolationException: lazyResolveToPhase(IMPORTS) cannot be called from a transformer with a phase IMPORTS from permits types
  • KT-58194 K2: Low Level API: use smart pointers to store references to PSI from FIR declarations for JavaElement
  • KT-59133 K2: java.lang.IllegalStateException: Fir is not initialized for FirRegularClassSymbol
  • KT-58174 K2: LL FIR: Invalid type reference for T & Any type
  • KT-52615 LL FIR: build RAW FIR only by stubs
  • KT-55053 K2: Exception "lateinit property diagnostic has not been initialized" in FirBuilder
  • KT-58580 K2: LL FIR: Declarations provided by resolve extensions from a dependency module are not visible through LLFirCombinedKotlinSymbolProvider
  • KT-58992 Analysis API: move org.jetbrains.kotlin.analysis.api.fir.utils.addImportToFile out of Analysis API
  • KT-58727 K2: AA FIR: implicit type in delegated function treated as error
  • KT-58653 K2: Analysis API: add functions for KtScope members access by name
  • KT-57559 K2 IDE: KotlinExceptionWithAttachments: Modules are inconsistent on intellij project
  • KT-58262 Analysis API: Declarations from Analysis API Resolve Extensions are not seen from completion
  • KT-57455 LL FIR: Combine AbstractFirDeserializedSymbolProviders in session dependencies (optimization)
  • KT-57207 LL FIR: Combine JavaSymbolProviders in session dependencies (optimization)
  • KT-58546 K2: LL FIR: support name collision in a designation path
  • KT-58495 K2: Lazy calculation is redundant
  • KT-58500 K2: null cannot be cast to non-null type org.jetbrains.kotlin.fir.FirPureAbstractElement
  • KT-58493 K2: Expected FirResolvedTypeRef for default value type of FirValueParameterImpl(Source) but FirUserTypeRefImpl found
  • KT-58496 K2: Expected FirNamedReference, FirErrorNamedReference or FirFromMissingDependenciesNamedReference, but FirExplicitSuperReference found
  • KT-58491 K2: Expected FirResolvedTypeRef or FirImplicitTypeRef for return type of FirDefaultPropertyBackingField(Synthetic) but FirUserTypeRefImpl found
  • KT-56550 LL FIR: implement parallel resolve for non-jumping phases
  • KT-58503 Analysis API: KtFirNamedClassOrObjectSymbol.visibility/modality do not trigger STATUS resolve
  • KT-57623 K2 IDE: ConcurrentModificationException from getSuperConeTypes
  • KT-58083 K2: LL FIR: implement FakeOverrideTypeCalculator

Android

  • KT-27170 Android lint tasks fails in Gradle with MPP dependency

Backend. Native. Debug

  • KT-61131 Virtual functions trampolines have invalid debug info

Backend. Wasm

Fixes

  • KT-60244 K/Wasm: make the compiler compatible with Wasm GC phase 4 (Final) specification
  • KT-61262 K/Wasm: add a way to turn on k2 in wasm examples that don't use compose
  • KT-61343 K/Wasm: add a wasi example to kotlin-wasm-examples
  • KT-62147 [Kotlin/Wasm] Nothing typed when expression cause a backend error
  • KT-59720 K/Wasm: update to final opcodes
  • KT-60834 K/Wasm: investigate consequences of stopping using br_on_cast_fail
  • KT-59294 WASM: localStorage Cannot read properties of undefined (reading 'length')
  • KT-60835 K/Wasm: fix compatibility with Node.js 20.*
  • KT-60113 K/Wasm: illegal cast when using 1.9.20-dev
  • KT-60496 Compose-web Wasm crashes on remember { null } calls
  • KT-58746 K/Wasm: Make Arrays' constructors with size and lambda inline (similar to other implementations)
  • KT-58993 [K/Wasm] Fix w3c declarations with lambda parameters
  • KT-59722 K/Wasm: Support new encoding with flags for br_on_cast and br_on_cast_fail instructions
  • KT-59713 K/Wasm: Implement enumEntries intrinsic
  • KT-59082 WASM: NullPointerException caused by companion with String type constants
  • KT-58941 WASM Hang with extension delegate inside a Class
  • KT-60200 K/Wasm: generate types without supertypes properly
  • KT-52178 IR dump doesn't seem to work for Kotlin/WASM phases
  • KT-59556 Wasm: critical dependency when using with webpack
  • KT-58681 K/Wasm: division remainder has a wrong sign
  • KT-56711 Wasm: IllegalStateException caused by dynamic type

Compiler

New Features

  • KT-58551 KMP: check all annotation from expect declaration are present on actual
  • KT-58554 KMP: restrict expect opt-in annotations and actual typealiases to annotations with special meaning
  • KT-58545 KMP: prohibit implicit actualization via Java
  • KT-58536 KMP: prohibit expect tailrec / expect external
  • KT-59764 Make a frontend checker that reports cast to forward declaration as unchecked
  • KT-60528 Updates for JVM/IR backend of kotlin-atomicfu-compiler-plugin
  • KT-59558 Add support for creating annotation instances with type parameters
  • KT-52367 Devirtualization algorithm improvement
  • KT-58652 Native: Implement frontend checkers for HiddenFromObjC on classes

Performance Improvements

  • KT-59600 K2: CFG: do not add edges to nested classes and functions
  • KT-57860 K/N: Functions with default arguments of value/inline class types have poor performance due to value class boxing

Fixes

  • KT-60387 K2: IDE K2: "org.jetbrains.kotlin.fir.expressions.impl.FirArgumentListImpl cannot be cast to class org.jetbrains.kotlin.fir.expressions.impl.FirResolvedArgumentList"
  • KT-61228 False positive MUST_BE_INITIALIZED_OR_FINAL_OR_ABSTRACT_WARNING for effectively final properties
  • KT-61643 "Argument type mismatch" for mixed Java/Kotlin Project with Java 21
  • KT-62389 JDK 21: Cannot access class 'TimeUnit'. Check your module classpath for missing or conflicting dependencies
  • KT-56768 K2. No error description on incomplete try catch declaration
  • KT-52220 FIR + LightTree - Consider building a single tree on parsing into LightTree
  • KT-60601 K2 / Maven: Overload resolution ambiguity between candidates inline method
  • KT-62027 "java.lang.IndexOutOfBoundsException: Empty list doesn't contain element at index 0" caused by ClassicExpectActualMatchingContext.kt when annotation @AllowDifferentMembersInActual used
  • KT-62747 Wrong warning message when overriding vararg with Array during actualization
  • KT-62655 Don't report a warning when new members and new supertypes are added to open expect actualization
  • KT-62313 Kotlin/Native Compiler crash: ClassCastException in IntrinsicGenerator
  • KT-60902 visibility vs upper bound expect actual matching conflict
  • KT-61095 K2: "IAE: source must not be null" from FirMultipleDefaultsInheritedFromSupertypesChecker
  • KT-47567 'Val cannot be reassigned' error not reported in unreachable code
  • KT-59468 K2: build realm-kotlin
  • KT-62026 KMP: Correctly handle a case when annotation on expect declaration is unresolved
  • KT-59476 K2: build ClashForAndroid
  • KT-59487 K2: build KSP-playground
  • KT-47409 K1/K2: Investigate and align inference for equality (==) operator
  • KT-59393 K2: Missing TYPE_ARGUMENTS_FOR_OUTER_CLASS_WHEN_NESTED_REFERENCED
  • KT-62127 "NoSuchFieldError: TRUE$delegate" on referencing companion's variable in submodule
  • KT-62335 Improve debuggability of code generator crashes
  • KT-61165 More than one overridden descriptor declares a default value for 'cause: Throwable?'. As the compiler can not make sure these values agree, this is not allowed
  • KT-62263 Turn "different expect/actual members" error into a warning
  • KT-59969 K2: Disappeared UNSUPPORTED_CONTEXTUAL_DECLARATION_CALL
  • KT-61616 K2: IrBuiltIns.extensionToString fails during native compilation
  • KT-59377 K2: Missing CALL_TO_JS_MODULE_WITHOUT_MODULE_SYSTEM
  • KT-61645 K2/KMP: Set stdlib-native before stdlib-commonMain in dependencies for shared native metadata compilation
  • KT-61924 Native: problem with abstract fake override from Any
  • KT-61933 K2: "Argument type mismatch: actual type is 'Foo<kotlin/Function0<kotlin/Unit>>' but 'Foo<kotlin/coroutines/SuspendFunction0<kotlin/Unit>>' was expected"
  • KT-59471 K2: build multiplatform-settings
  • KT-56077 K2: build kotlinx.atomicfu
  • KT-59465 K2: build kotlinx-datetime
  • KT-60824 K2 IDE: FirSyntheticCallGenerator: IAE: List has more than one element
  • KT-61856 K2: "KotlinIllegalArgumentExceptionWithAttachments" on usage of javax.validation.constraints.Email.List
  • KT-54792 Store program order of properties inside @kotlin.Metadata
  • KT-56083 K2: build ktor
  • KT-23861 Expect annotation should not be applicable wider than the actual one
  • KT-59466 K2: build kotlinx-benchmark
  • KT-60830 KMP, K2: expect actual annotation IR checker doesn't unwrap actual typealiases to annotations
  • KT-61668 Put expect/actual diagnostics introduced in 1.9.20 release under 1.9 Language Version
  • KT-61725 KMP: Annotation matching requirement for expect/actual leads to errors for annotations with @OptionalExpectation
  • KT-47892 False negative BREAK_OR_CONTINUE_OUTSIDE_A_LOOP with continue in init block inside for
  • KT-61784 KMP: [DEFAULT_ARGUMENTS_IN_EXPECT_WITH_ACTUAL_TYPEALIAS] checker missed for companion functions
  • KT-61173 K2: FirProperty.hasBackingField is true for an expect val
  • KT-59743 K2: erroneous binding of typealias with two type parameters to a class with one type parameter
  • KT-60650 KMP: prohibit problematic actual typealiases
  • KT-61461 K2: Kotlin native metadata compilation breaks when stdlib is present in -libraries
  • KT-61270 Enabling Kotlin/Native caching causes 65K warnings from dsymutil when building Compose iOS app
  • KT-58229 K2/MPP/JVM: compiler codegen crash on call of inherited generic class's method with actual-typealias as value parameter
  • KT-47702 Support call of Java annotation constructor without specifying a default value
  • KT-56460 K2: Do not re-run DiagnosticCollectorVisitor from FirInlineDeclarationChecker.checkChildrenWithCustomVisitor
  • KT-55933 K2: False negative Overload resolution ambiguity for call functions with named parameters if one of params is vararg
  • KT-59548 FIR2IR: inconsistent generation of dispatch receiver for object methods
  • KT-55072 K2: False positive "suspension point is inside a critical section"
  • KT-58778 JVM IR inline: add fake variables for debugger
  • KT-59404 K2: Missing EXPECT_TYPE_IN_WHEN_WITHOUT_ELSE
  • KT-59830 K2. False negative [FINAL_SUPERTYPE] on extending final class through type alias
  • KT-60580 K2: Not supported: class org.jetbrains.kotlin.fir.types.ConeFlexibleType
  • KT-59391 K2: Missing JS_BUILTIN_NAME_CLASH
  • KT-59392 K2: Missing NAME_CONTAINS_ILLEGAL_CHARS
  • KT-58360 Intrinsics for atomic update of array elements
  • KT-59165 K2: Prohibit class literals with empty left-hand side
  • KT-60427 K2 @Metadata annotations contain outerType/outerTypeId information for non-inner nested classes
  • KT-59376 K2: Missing TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_ERROR
  • KT-55221 K2: No error reported for self-referencing local function with inferred return type
  • KT-59586 K2: support JVM backend diagnostics in light tree mode
  • KT-57780 K2: Calling a constructor through a deprecated typealias doesn't report a deprecation
  • KT-59110 K2. "NotImplementedError: An operation is not implemented." error on incorrect @Target annotation
  • KT-59249 K2: Empty varargs are not serialized to KLIB
  • KT-55373 K2. Unresolved reference error for type mismatch with callable references
  • KT-55955 K2: callable references are not properly resolved when in conflict with expected type
  • KT-60144 JVM IR inline: backport primitive boxing in class literals
  • KT-60779 K2: missing INTERFACE_CANT_CALL_DEFAULT_METHOD_VIA_SUPER
  • KT-60587 K2: Implement warning NO_REFLECTION_IN_CLASS_PATH
  • KT-61145 False negative NOTHING_TO_OVERRIDE when context receivers don't match
  • KT-59378 K2: Missing FINITE_BOUNDS_VIOLATION and FINITE_BOUNDS_VIOLATION_IN_JAVA
  • KT-61163 Default params on actual check and inheritance by delegation compilation error
  • KT-60800 [atomicfu-K/N]: turn on the tests for the K/N part of the compiler plugin
  • KT-61029 K2: Duplicates when processing direct overridden callables
  • KT-55196 K2: False-negative CONST_VAL_WITH_NON_CONST_INITIALIZER on boolean .not() call
  • KT-60862 Kotlin Scripting: NoSuchMethodError for ExternalDependenciesResolver.addRepository
  • KT-57963 K2: MPP: Annotation calls should be actualized
  • KT-60854 K2: IrActualizer incorrectly generates fake overrides for synthetic java properties
  • KT-59665 ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS isn't reported for actual typealias and fake-override actualization
  • KT-61039 False positive ABSTRACT_MEMBER_NOT_IMPLEMENTED in K1 when expect actual super types scopes don't match
  • KT-61166 Inherited platform declaration clash & accidental override
  • KT-60531 K2/JS: Report diagnostics before running FIR2IR
  • KT-32275 Embedding kotlin-compiler-embeddable into a Java EE App leads to CDI related deployment error
  • KT-57845 K2. Unresolved reference error on calling Java references with fully qualified name
  • KT-58757 K2: False-positive NON_PUBLIC_CALL_FROM_PUBLIC_INLINE error in case an inline fun is protected and is a part of an internal abstract class declaration
  • KT-59736 kotlinx.serialization + K2 + JS: e: java.lang.IllegalStateException: Symbol for kotlinx.serialization.json.internal/FormatLanguage.|-547215418288530576[1] is unbound
  • KT-59071 K2/MPP: internal declarations from common module are invisible in dependent source sets if there is more that one intermediate source set between
  • KT-61167 Runtime failure: ReferenceError: MyPromise is not defined
  • KT-59408 K2: Missing MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES
  • KT-61409 Kotlin/Native: crash in kmm-production-sample (compose-app) with escape analysis enabled
  • KT-57329 K/N IR linkage issues due to the combination of static caches w/ Lazy IR & Compose compiler plugin
  • KT-59247 Kapt+JVM_IR: AssertionError on anonymous object in enum super constructor call
  • KT-58576 K2: IR actualization problems in MPP scenario
  • KT-61442 K2: Consider stricter filtering on implicit integer coercion
  • KT-61441 K2: Wrong overload is chosen with ImplicitIntegerCoercion enabled
  • KT-59328 K2: property with compound getter and without explicit type: compilation failure, IAE "List has more than one element" at FirDeclarationsResolveTransformer.transformFunctionWithGivenSignature()
  • KT-61159 K2: OVERLOAD_RESOLUTION_AMBIGUITY between private top-level property in same file and top-level property in different module
  • KT-59233 K2: false-negative diagnostic on creating a callable reference to a function with free type variables
  • KT-61418 k2: ImplicitIntegerCoercion to List leads to "IllegalStateException: Cannot find cached type parameter by FIR symbol"
  • KT-61373 False positive: "The opt-in annotation is redundant: no matching experimental API is used" with multiplatform code.
  • KT-58884 K2: NotAMockException for mock testing with lambda expression with Maven
  • KT-58893 K2: MockitoException for mock testing with lambda expression with Gradle
  • KT-59483 K2: Build a Native app
  • KT-57738 K2: unresolved class fields and methods in kotlin scripts
  • KT-59449 K2: Diagnostic messages contain debugging-style rendered FIR
  • KT-59849 K2: IllegalArgumentException: List has more than one element
  • KT-57553 Implement deprecation for open val with backing field and deferred initialization in K1
  • KT-57230 Support Kotlin/Wasm in the K2 platform
  • KT-59409 K2: Missing DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE
  • KT-59058 Companion object is not initialized on class constructor call
  • KT-61017 K2: intermediate expect/actual class results in expected class has no actual declaration in module
  • KT-60181 K2: "NotImplementedError: An operation is not implemented" with Spring
  • KT-59472 K2: build Reaktive
  • KT-54786 MPP: "LazyTypeAliasDescriptor cannot be cast to class org.jetbrains.kotlin.descriptors.ClassDescriptor" caused by expected non-constant function argument on iOS if class is type aliased
  • KT-59753 K2: NotImplementedError when using annotation with vararg with default value from other module
  • KT-60883 K2: Fix testRequireKotlinCompilerVersion in LV 2.0 branch
  • KT-59747 K2: cannot actualize expect class to Unit via typealias
  • KT-61054 K2: "IAE: source must not be null" with -no-reflect on calling property getter with implicit invoke
  • KT-57126 [KLIB Reproducibility] Manifest is written using os-dependent line separators
  • KT-60850 K2: FIR2IR generates incorrect signature for fake overrides for common declaration if it called from a platform module
  • KT-59218 K2: return types of calls to @PolymorphicSignature methods inside try-expressions don't resolve to void when required
  • KT-60002 K2: Missing UNSUPPORTED_SUSPEND_TEST
  • KT-61011 K2 Scripts: FirRecursiveProblemChecker: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource
  • KT-58906 K2. "Backend Internal error: Exception during IR lowering" instead of CANNOT_INFER_PARAMETER_TYPE error when parameter type missing in lambda
  • KT-59490 K2: build km-shop
  • KT-60163 K2: vararg annotation argument value is serialized not as an array
  • KT-59355 K2: Allow to actual classifier have wider visibility than the corresponding expect class
  • KT-56179 [K2/N] interop_objc_tests/multipleInheritanceClash.kt test failed
  • KT-59411 K2: Missing ENUM_CLASS_CONSTRUCTOR_CALL
  • KT-59410 K2: Missing TYPEALIAS_EXPANDED_TO_MALFORMED_TYPE
  • KT-59382 K2: Missing PROTECTED_CONSTRUCTOR_NOT_IN_SUPER_CALL
  • KT-59901 K2: Disappeared API_NOT_AVAILABLE
  • KT-60474 K2: False negative type mismatch for array literal with wrong numeric literal
  • KT-59610 K2: Calls to annotations with default values are serialized differently in K1 and K2
  • KT-60139 K2: Refactor handling of implicitly actual declarations (annotation & inline class constructors and property of inline class)
  • KT-60793 K2: IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirJavaTypeRef
  • KT-60735 K2: lateinit property diagnostic has not been initialized
  • KT-60137 K2: Quite complicated redeclaration error description is displayed for data classes
  • KT-60639 K2: IllegalStateException: Unsupported compile-time value GET_CLASS type=kotlin.reflect.KClass<p1.A>
  • KT-56888 CFA: Valid green in K1 -> red in K2. catch_end -> finally -> after_try
  • KT-60723 K2: Nested finally block has extra jump edge if surrounding try block jumps
  • KT-60573 K2: False positive/negative CONFLICTING_OVERLOADS for main functions
  • KT-60124 K2: Conflicting declarations on extension properties with different upper-bounded type parameter
  • KT-60259 K2: Reflection target is missing on adapted function refernces
  • KT-59036 InstantiationError when instantiating annotation with a parameter type as a default parameter of another annotation
  • KT-59094 K2: Fix Scripting K2 tests
  • KT-59711 K/N: Implement enumEntries intrinsic
  • KT-59748 K2: Return type mismatch: expected Unit, actual Any? for when with an assignment in branch
  • KT-60154 K2: Expected some types error
  • KT-58139 K2/MPP/metadata: compiler FIR serialization crash on complex expression as annotation argument
  • KT-59485 K2: build Anki-Android
  • KT-59415 K2: Missing DATA_CLASS_OVERRIDE_DEFAULT_VALUES_ERROR
  • KT-59710 K/JVM: Implement enumEntries intrinsic
  • KT-57984 K2/JS fails with IdSignature clash for inherited expect/actual function
  • KT-59398 K2: Missing NOT_SUPPORTED_INLINE_PARAMETER_IN_INLINE_PARAMETER_DEFAULT_VALUE
  • KT-60645 Native: dynamic caches are broken on Linux
  • KT-50221 FIR: handle enhanced/flexible nullability inside withNullability properly
  • KT-59281 JVM IR inline: incorrect type of created array
  • KT-59507 JVM IR inline: invocation of arrayOfNulls by function reference results in exception
  • KT-58359 Allow volatile intrinsics on inline function constant arguments
  • KT-60598 K2: add OptIn checkers for command line arguments
  • KT-59766 K2: ISE: Cannot find cached type parameter by FIR symbol during the coroutines library build
  • KT-59644 K2: the companion object in an expect class requires to be explicitly defined for compileNativeMainKotlinMetadata
  • KT-59640 K2: expect constructor requires calling this or super but didn't use to
  • KT-58883 K2: False negative type mismatch for generic annotation in collection literal
  • KT-59581 K2: Initializer type mismatch: expected Array<KClass<*>>, actual Array<KClass> in annotation parameter default value using array literal
  • KT-59069 K2 does not report EXPECTED_CLASS_CONSTRUCTOR_DELEGATION_CALL
  • KT-59416 K2: Missing EXTERNAL_INTERFACE_AS_REIFIED_TYPE_ARGUMENT
  • KT-59417 K2: Missing CALL_FROM_UMD_MUST_BE_JS_MODULE_AND_JS_NON_MODULE
  • KT-59381 K2: Missing CALL_TO_JS_NON_MODULE_WITH_MODULE_SYSTEM
  • KT-59384 K2: Missing DYNAMIC_NOT_ALLOWED
  • KT-59406 K2: Missing PROPERTY_DELEGATION_BY_DYNAMIC
  • KT-60247 K2: order of data class generated member differs in IR
  • KT-57223 K2: false-negative INAPPLICABLE_JVM_NAME on non-final properties outside interfaces
  • KT-60183 K2: INAPPLICABLE_JVM_NAME on private methods with all-open plugin
  • KT-60120 K2 can't get a default parameter value of expect annotation
  • KT-57240 K2 MPP: Actualization doesn't work for flexible types
  • KT-60436 K2: investigate possible FirJavaTypeRef equals parameter in FirDataFlowAnalyzer.hasEqualsOverride
  • KT-60299 K2: when a typealias to Unit is returned, an explicit return is now required
  • KT-58005 K2: Unsupported compile-time value BLOCK for Repeatable annotations
  • KT-60223 K2: Wrong import with import alias
  • KT-54854 K2. Unresolved reference for not imported declaration when it is already imported as an import alias is absent in K2
  • KT-59738 K2: NoSuchElementException from JvmValueClassLoweringDispatcher in MPP environment
  • KT-59708 K2: "Property must be initialized or be abstract" occurs due to constructors order
  • KT-58483 K2. -Xmulti-platform flag isn't working
  • KT-53490 FIR: Refactor augmented assignment resolving code - fix lhs-related problems and combine similar code in array and assign operator handling
  • KT-59673 K2: incorrect error message
  • KT-58578 K2: Commonize expect-actual logic between FIR and IR actualizer
  • KT-54989 FIR2IR: fragile code in postfix op detection
  • KT-59464 K2: Investigate cases of implicit type refs in Fir2IrImplicitCastInserter
  • KT-53898 K2: False negative VAL_REASSIGNMENT on member vals
  • KT-57641 K2: "java.lang.NoSuchFieldException: INSTANCE" in kotlin-reflect for KClass.objectInstance on an anonymous object
  • KT-59299 [K2] ISE in IrBindablePublicSymbolBase.bind on equals function from companion of serializable class
  • KT-58844 Incorrect type mismatch error: "actual type is kotlin/Int but kotlin/Int was expected"
  • KT-59413 K2: Missing VALUE_CLASS_CANNOT_HAVE_CONTEXT_RECEIVERS
  • KT-56173 FIR: IrGenerationExtensions cannot see default values from expect declarations
  • KT-59611 FIR2IR: Unsupported callable reference for enum entry with clashing name
  • KT-59858 Kotlin Native: Compilation failed: Sequence contains more than one matching element, org.jetbrains.kotlin.backend.konan.lower.FunctionReferenceLowering$FunctionReferenceBuilder.buildClass(FunctionReferenceLowering.kt:644)
  • KT-58539 [K2] Ir actualization fails to match expect/actual declarations that use custom function types
  • KT-59775 'toString()' on Object returns different result with concatenation
  • KT-59737 K2: Actual class 'actual class FastArrayList : AbstractMutableList, MutableListEx, RandomAccess' has no corresponding members for expected class members because of different parameter names in Java
  • KT-59613 K2: Unhandled intrinsic in ExpressionCodegen exception in for expect function with default value in parameter
  • KT-59216 K2. Unhelpful unresolved reference when inheriting from interface with constructor call (K1 reports NO_CONSTRUCTOR instead)
  • KT-59057 Revise muted tests for native backend
  • KT-57377 K2/MPP: internal declarations from common module are inivisible for intermediate modules during metadata compilation
  • KT-59693 MPP: linkReleaseExecutableLinux fails with IllegalStateException: Drains have not been painted properly
  • KT-59362 K2/MPP: .toByte() conversion for const val causes SourceCodeAnalysisException: java.lang.NullPointerException: null
  • KT-51670 FIR: questionable behavior for deprecated String constructors
  • KT-35314 StackOverflowError with nested try-finally and function with contracts
  • KT-53460 False positive smartcast warning in if block after if block
  • KT-40851 False MUST_BE_INITIALIZED_OR_BE_ABSTRACT error for a property which is initialised in the init block
  • KT-59695 K2: false negative NON_PUBLIC_CALL_FROM_PUBLIC_INLINE
  • KT-41198 False positive “Variable must be initialized” with assignment in scope function and safe call
  • KT-58901 K2. Value parameter default values are not checked for type mismatch
  • KT-48115 Member functions with type parameter and contract don't produce smartcasts
  • KT-59541 K2: Type checking has run into a recursive problem on code that was compiling with Language 1.9
  • KT-58943 K2: Incorrect with K1 priority of "invokeExtension + implicit receiver" candidate
  • KT-37375 [FIR] Incorrect invoke resolution
  • KT-59789 K2: self-reference does not compile anymore
  • KT-59286 JVM IR inline: local property not found
  • KT-58823 K2: Android app crashes right after start: java.lang.NoSuchMethodError: No virtual method findViewById(I)Landroid/view/View
  • KT-57754 K2: No public signature built for the synthesized delegate field
  • KT-58533 K2: "Not enough information to infer type variable T" for generic call in throw expression
  • KT-34846 FIR Java: enhance type parameter bounds properly
  • KT-52043 FIR: FirValueParameter with SubstitutionOverride does not reference the original FIR declaration
  • KT-59291 JVM IR inline: unexpected result of apiVersionIsAtLeast invocation
  • KT-59550 K2: synthetic property isn't seen through Java
  • KT-59038 [K2] IllegalStateException in mixed Java/Kotlin inheritance
  • KT-59489 K2: builld spring-petclinic-kotlin
  • KT-58908 K2. Internal error "kotlin.UninitializedPropertyAccessException: lateinit property firType has not been initialized" on incomplete is
  • KT-56755 K2: Investigate failures related to line numbers with LT compilation enabled
  • KT-56139 K2: consider adding source element for implicit receivers
  • KT-57489 K2: Incorrectly generated line numbers in companion object access inside class
  • KT-58947 Run all existing codegen box tests with kapt stub generation
  • KT-58827 K2 reports ACTUAL_WITHOUT_EXPECT on the whole class
  • KT-54917 K2: ILT leak from a completed generic call
  • KT-56187 K2: type parameter's upper bound is ignored in callable references
  • KT-56186 K2: lack of type arguments in type constructor is ignored in callable references
  • KT-59356 K2: Restrict rules for matching of expect supertypes for actual class
  • KT-57217 K2: NoSuchMethodError on toChar call on java inheritor of java.lang.Number
  • KT-58356 K2: StackOverflowError with OptIn and Deprecated, while compiling Kotlin project
  • KT-57954 K2. Auto-generated "entries" member of enum class has higher priority than user-declared companion object with same name when language version is set to 2.0
  • KT-59508 K2: Make sure that warnings-severity nullability annotations are not perceived as reasons for nullability errors
  • KT-53820 FIR: mismatching error message for invisible reference/member
  • KT-58641 K2: PublishedApi has no effect when internal fun used in the test source set
  • KT-59461 K2: Erroneous null check when returning not-null typealias to nullable type
  • KT-58980 K2: Import of java field from companion's base breaks the compiler
  • KT-59140 K2: "Symbol public final static field is invisible" caused by java static field called in kotlin code
  • KT-59501 Escape analysis constructs arrays of negative size
  • KT-59452 apiVersionIsAtLeast calls in body of stdlib inline function may be evaluated on compile-time
  • KT-53967 [PL] Classifiers: Turning interface from fun to non-fun + adding member function causes Kotlin/JS fail: IAE: "Sequence contains more than one matching element"
  • KT-59346 Not working breakpoints on not initialized variables
  • KT-55993 Wrong current pointer: strange behaviour of debugger or compiler when two IFs and an uninitialized variable between them
  • KT-58335 K2: Exposed typealias from implementation dependency produces type mismatch in dependent module
  • KT-58719 K2: false-positive INVISIBLE_REFERENCE error in case of importing an internal abstract class
  • KT-57694 K2: False positive [NOTHING_TO_OVERRIDE] for a class overriding 'sort' method from the List collection
  • KT-58460 K2. return without argument became allowed for functions with return type Any
  • KT-49249 Incorrect nullability inferred for Throwable
  • KT-57429 K2: Fix computing a mangled name for members of a generic class that reference the class's type parameters in their signature
  • KT-57566 K2: Fix name mangling for functions that have dynamic type in their signature
  • KT-57818 K2: Fix FirMangleComputer to not include the "special" package name into mangled names of property accessors on non-JVM platforms
  • KT-57777 K2: Fix computing a mangled name for the synthesized entries property getter of an enum class
  • KT-57433 K2: Fix computing a mangled name for top-level functions and properties
  • KT-58553 k2: Annotation type arguments are lost in FIR2IR
  • KT-58184 K2: False negative INVISIBLE_MEMBER on destructuring declaration
  • KT-58637 K2: False negative ABSTRACT_MEMBER_NOT_IMPLEMENTED on Entry of Enum with abstract member declaration
  • KT-54952 JvmSerializationBindings does not work with K2
  • KT-54844 FIR/Analysis API: create stubs for equals/hashCode/toString for data classes in FIR
  • KT-58555 K2: Generic property reference inside delegation misses type argument
  • KT-57648 FIR: move deprecation calculation on COMPILER_REQUIRED_ANNOTATIONS phase
  • KT-57049 K2 generates duplicates of symbols/declarations
  • KT-55723 K2: deprecations for enum entries are not resolved on the TYPES phase
  • KT-59033 Doesn’t support vararg parameter in annotation instantiation with empty arguments
  • KT-58780 JVM IR inline: local property delegation is not working for K2
  • KT-58779 JVM IR inline: correctly process special inlined block in value class lowering
  • KT-58720 Generate full InnerClass attributes for the standard library
  • KT-58215 K2: JVM IR produces line numbers for delegation bridges that are not marked with ACC_BRIDGE
  • KT-42696 JVM IR generates line numbers for all bridges leading to extra steps in the debugger
  • KT-57228 K2: annotations for interface member properties implemented by delegation are copied
  • KT-57216 K2: non-trivial enum declaration does not have ACC_FINAL in the bytecode
  • KT-55866 K2: Constant as parameter of @JvmName: BE: "Unsupported compile-time value CALL private final fun "
  • KT-58717 Object on the left-hand side of callable reference is not initialized if KCallable.name optimization is used
  • KT-59211 Kapt+JVM_IR: AssertionError on delegating to anonymous object
  • KT-57251 K2: weird error message when trying to instantiate an expect class without explicit constructor
  • KT-58623 Language version 2.0: compiling into common, Native does not report "Protected function call from public-API inline function is prohibited", while JVM, JS do
  • KT-55945 NoSuchMethodError when calling method with value class parameter on java class inherited from kotlin class
  • KT-58840 K1/K2: false positive EXPOSED_FUNCTION_RETURN_TYPE related to protected lower bound
  • KT-57243 K2: no warning or error reported on expect class in CLI, and JVM backend tries to generate it to a .class file
  • KT-57833 K2 reports NO_ACTUAL_FOR_EXPECT for inherited properties with the same name
  • KT-58153 K2/MPP/JVM&Native: cannot override Any::toString when an expect-supertype has Any::toString override in actual-class
  • KT-58124 K2: FIR2IR compiler crash with MPP (Fir2IrSimpleFunctionSymbol is already bound)
  • KT-58346 k2: false negative MUST_BE_INITIALIZED for deferred initialization
  • KT-57803 K2. "Kotlin: Only the Kotlin standard library is allowed to use the 'kotlin' package" error missing in 2.0
  • KT-57504 [K2/N] Wrong coercion of ILT: 7 to kotlinx.cinterop.COpaquePointer causes Cannot adapt kotlin.Int to kotlinx.cinterop.CPointer during autoboxing
  • KT-57484 K2: false positive OVERLOAD_RESOLUTION_AMBIGUITY with ImplicitIntegerCoercion
  • KT-57971 K1/K2: False positive "Redundant 'suspend' modifier" warning on declaration site when suspend function is also argument
  • KT-56779 Checkers false negative: AbstractMethodError when accessing setter via an interface where the member is defined as var, but it's val in implementation
  • KT-51793 FIR: Investigate property+invoke resolution priorities
  • KT-57003 FIR: missing annotation on parameter of data class' synthetic copy
  • KT-57269 K2: collection stub for sort is not generated for custom List subclasses
  • KT-54748 K2: incomprehensible errors when type parameter has the same name as a class
  • KT-50703 FIR: Improve reporting UPPER_BOUND_VIOLATED for type arguments of typealias constructor calls
  • KT-57622 Fix incorrect metadata for data class generated methods
  • KT-54887 K2: fix behavior of references to value classes equals/hashCode/toString
  • KT-58937 K2: Annotation vararg arguments are incorrectly serialized
  • KT-58621 K2: Private class shadows public function defined in the same package
  • KT-59041 K2. "IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource " on incorrect collection declaration
  • KT-58665 K2: Optional.of incorrectly accepts nullable String
  • KT-58938 K2. Abstract class can be invoked using member reference :: operator
  • KT-50798 FIR: False negative UPPER_BOUND_VIOLATED_IN_TYPEALIAS_EXPANSION
  • KT-58944 K2. StackOverflowError on incorrect intersection types
  • KT-59241 K2: broken inference of DNN types
  • KT-58294 K2 compiler crashes with OOM on deserializing annotation applied to itself with a enum outer/nested parameter
  • KT-58972 K2: Error message of PRIVATE_CLASS_MEMBER_FROM_INLINE doesn't mention class members
  • KT-58989 K2: Forbid suspend operator get/setValue and provideDelegate
  • KT-59177 K2: Report NAMED_ARGUMENTS_NOT_ALLOWED for named parameters in lambdas
  • KT-57028 K2: "NSEE: Sequence contains no element matching the predicate" with stream related Java api
  • KT-58007 K2: Unsupported compile-time value GET_FIELD FIELD PROPERTY_BACKING_FIELD when const value is default for annotation
  • KT-58472 Secondary constructor breaks MUST_BE_INITIALIZED check
  • KT-59022 Make is and as behaviour consistent in Native
  • KT-58902 K2: Calls to overridden method with default parameter are not compiled
  • KT-58549 K2: variable type is infered to non-existing interface
  • KT-58613 K2: ConcurrentModificationException from FirSignatureEnhancement.performFirstRoundOfBoundsResolution
  • KT-55552 K2. False negative TYPE_MISMATCH in implementation via delegation
  • KT-57436 Fix computing mangled names of generic properties from IR-based declaration descriptors
  • KT-58543 [K2/N] Rewrite native MPP tests to avoid expect actual in same module
  • KT-57701 Unify selection of inherited callable with default implementation among multiple candidates in JVM, Native & JS backends
  • KT-58444 K2/MPP/metadata: compiler FIR2IR crash on constant with intrinsic initializer from common source set in Native-shared source set
  • KT-57756 K2: Missing syntax errors when light tree parsing is used
  • KT-57435 Fix computing mangled names for functions with context receivers
  • KT-57219 K2: incorrect relative order of normal and use-site-targeted annotations on property getter in the resulting bytecode
  • KT-57955 K2: "ClassCastException: class org.jetbrains.kotlin.ir.declarations.impl.IrExternalPackageFragmentImpl cannot be cast to class org.jetbrains.kotlin.ir.declarations.IrDeclaration" with property delegate
  • KT-58583 K2: false-positive invisible reference error on nested anonymous object literal extending a protected nested class
  • KT-57425 K2: False-positive smartcast on property accessed through a property from another module
  • KT-57844 K2. Not relevant errors when accessing Java member which have private overloads with argument type mismatch
  • KT-58584 K2: "UninitializedPropertyAccessException: lateinit property packageFqName has not been initialized"
  • KT-58529 K2: "Extension function type is not allowed as supertypes" compile error
  • KT-58379 K2: NEW_INFERENCE_ERROR in sortedBy call with exception in branch
  • KT-58284 K2: False negative ITERATOR_MISSING
  • KT-55078 K2 IDE: Infinite recursion in org.jetbrains.kotlin.fir.java.JavaScopeProvider#findJavaSuperClass
  • KT-58080 K2: False-positive TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM on annotated const val
  • KT-58674 K2: No expected type for while loop condition
  • KT-56523 K2 should report MANY_INTERFACES_MEMBER_NOT_IMPLEMENTED
  • KT-58238 Support dumping signatures and mangled names in irText tests
  • KT-58456 K2: Custom function type metadata breaks Compose library compatibility
  • KT-58267 K/N: do not reference hidden Array.content* functions from the compiler
  • KT-57791 Native: Method returning String? leads to exception: Unexpected receiver type: kotlin.String
  • KT-58437 K2: Do not use descriptors in KonanSymbols
  • KT-57432 K2: Don't create default getters and setters in case when they are not needed
  • KT-46047 FIR: incorrect type of integer literals
  • KT-57487 [K2/N] Stdlib ArraysTest fails with Class found but error nodes are not allowed
  • KT-56951 K2: False negative error on compound assignment for property of type Byte
  • KT-57222 K2: compiler FIR serialization crash on two functions with captured type and object literal
  • KT-58224 K2: deprecation on field is not detected properly
  • KT-55662 K2. Incorrect type mismatch error "inferred type is IOT" instead of "inferred type is Int"
  • KT-55668 K2. 'in' modifier became applicable to star projection
  • KT-57064 K2: hidden internals of dealing with type-aliased primitive types are exposed to user
  • KT-58252 K2: Symbol already bound for backing field during building resulting JS artifact for MPP project
  • KT-56940 K/Wasm: report compiler errors for unsupported external declarations
  • KT-56943 K/Wasm: implement @WasmImport diagnostics
  • KT-55903 K2: False negative CANNOT_CHECK_FOR_ERASED on is-check for type with reified type arguments
  • KT-56944 K/Wasm: implement @JsFun diagnostics
  • KT-58329 K2: False-positive suspend conversion for anonymous functions
  • KT-58028 K2: False-positive TYPE_PARAMETER_IS_NOT_AN_EXPRESSION

Docs & Examples

  • KT-60545 Documentation change on Interoperability with Swift/Objective-C: highlight that it is not normal to suppress errors
  • KT-50927 Kotlin / Docs: Delete all the information about old Kotlin/Wasm
  • KT-61398 Advertise hierarchy templates in 1.9.20-Beta what's new

IDE

New Features

  • KTIJ-23199 K2 IDE: Improve Import quick fix description
  • KTIJ-26056 Support highlighting of KNM files

Performance Improvements

Fixes

  • KTIJ-26782 Internal error while highlighting "AndroidHighlighterExtension does not define or inherit highlightDeclaration"
  • KTIJ-27188 Bundled DevKit plugin + 1.9.20-Beta* constantly throws exceptions when opening another plugin codebase
  • KTIJ-25220 Kotlin not configured dialog does not show if Kotlin stdlib is anywhere on classpath
  • KTIJ-25563 Failed cinterop task becomes UP-TO-DATE and successfully passes on the second import
  • KTIJ-26536 IDE in Java file resolves to property with the same name instead of method in the nested class from library
  • KTIJ-25126 K2 IDE. No import quickfix for Java static members
  • KT-60341 K2 IDE: "UnsupportedOperationException: Unknown type CapturedType(*)?"
  • KTIJ-25960 K2 IDE: KDoc references to static java methods are not resolved
  • KTIJ-7642 HMPP, IDE: False positive ''suspend' modifier is not allowed on a single abstract member' for common code if JVM target present
  • KTIJ-25745 K2 IDE: "Type info" intention shows the return type of a functional type instead of the functional type itself
  • KTIJ-26501 K2: IDE K2: False positive unused import when declaration used for vararg parameter type
  • KTIJ-26661 K2 IDE. PIEAE “Element class CompositeElement of type FUN” after removing/putting back function with operator modifier
  • KTIJ-26672 K2 IDE: false positive in optimize import for ambiguity calls
  • KTIJ-26760 K2 IDE: OVERLOAD_RESOLUTION_AMBIGUITY false positive
  • KTIJ-26867 K2 IDE: rename refactoring doesn't rename subclasses if they are used in import directives
  • KTIJ-26848 K2 IDE: index inconsistency in case of "" name
  • KTIJ-26666 K2 IDE: changed FirFile is treated as fully resolved after in-block modification
  • KT-59836 Symbol Light Classes: Type parameters from the parent interface aren't copied to DefaultImpls methods
  • KT-28611 MPP: Gradle -> IDE: settings provided via compilations DSL are not imported into common modules facets
  • KTIJ-25448 When project JDK is less than one defines in jvmToolchain block, run with Idea fails with has been compiled by a more recent version of the Java Runtime
  • KT-60603 K2: Investigate intellij tests failures in branch 2.0
  • KTIJ-25364 K2 IDE: References to Java records are red: OVERLOAD_RESOLUTION_AMBIGUITY, UNRESOLVED_REFERENCE
  • KTIJ-24390 Kotlin assignment plugin: Imports are not recognized in build logic .kt files for Gradle build
  • KT-60590 Fix light classes related tests in branch 2.0
  • KT-60530 K2 scripting: exception on .gradle.kts opening
  • KT-60539 K2: "KtInaccessibleLifetimeOwnerAccessException: org.jetbrains.kotlin.analysis.api.lifetime.KtReadActionConfinementLifetimeToken@3ce52fd9 is inaccessible: Using KtLifetimeOwner from previous analysis" at highlighting
  • KTIJ-26276 K2 IDE: Optimize import drops used import alias
  • KT-60518 K2 IDE. False positive [NON_MEMBER_FUNCTION_NO_BODY] when completing function with Complete current statement
  • KT-60323 K2 IDE. "KotlinExceptionWithAttachments: Unexpected returnTypeRef. Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImpl" exception on contract return type
  • KT-60352 K2 IDE. Support Java Records
  • KT-56503 K2 IDE: FIR tree is incorrect in a case of ProcessCancelledException was thrown during phase execution
  • KTIJ-25653 K2 IDE. "KotlinExceptionWithAttachments: Containing function should be not null for KtParameter" exception on incorrect derived class declaration
  • KT-59843 SLC: KotlinAsJavaSupport.packageExists (via KotlinStaticPackageProvider) said ROOT package doesn't exist if no KtFiles are given
  • KTIJ-26206 Support retrieving KtType from annotation constructor calls on getters and setters
  • KT-59445 Recursion detected on input: JavaAnnotationImpl
  • KTIJ-26066 K2 IDE. "KotlinExceptionWithAttachments: Unexpected returnTypeRef. Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImpl" on attempt to set contract
  • KTIJ-26085 K2 IDE: treat psi modification of a contact inside a body as OOBM
  • KTIJ-25869 K2 IDE. Expected FirResolvedTypeRef for return type of FirValueParameterImpl(Source) but FirImplicitTypeRefImplWithoutSource was found
  • KTIJ-24272 K2 IDE: "Expected some types"
  • KTIJ-24730 K2 IDE. IllegalStateException on absence of opening bracket in main() function
  • KT-59533 AA/SLC: anonymous object appears during PsiType conversion, resulting in IllegalArgumentException:KtFirPsiTypeProviderKt.asPsiTypeElement
  • KT-59563 Symbol Light Classes: Incorrect type erasure in $annotations methods for extension properties with generic parameters
  • KT-57567 SLC: missing final modifier on enum (non-synthetic) members
  • KT-59537 SLC: SymbolLightClassForAnonymousObject with null parent
  • KTIJ-24121 K2 IDE. "failed to convert element KtLightField" when trying to declare property after function that has return with type mismatch
  • KTIJ-25335 K2 IDE. "failed to convert element KtLightField:" on attempt to set property in class with constructor
  • KT-59293 Symbol Light Classes: DefaultImpls methods must be static and have an additional $this parameter
  • KTIJ-25976 K2 IDE: Fix "Unsupported compiled declaration of type" for type parameters
  • KT-59325 Symbol Light Classes: Non-existing fields for properties from companion objects
  • KT-57579 SLC: unboxed type argument as method return type
  • KT-54804 Generate synthetic functions for annotations on properties in light classes
  • KT-56200 Kotlin FIR reference resolve exception leaks user code
  • KT-58448 K2 / IDE / SLC: findAttributeValue for attribute w/ default value raises ClassCastException

IDE. Completion

Fixes

  • KTIJ-26518 K2 IDE: Code completion does not insert import when completing a type in the vararg position
  • KTIJ-26713 K2 IDE: Code completion does not insert import when completing a type inside a functional type
  • KTIJ-26597 K2 IDE: "Change return type" quick fix adds full qualified name to anonymous function
  • KTIJ-26384 K2 IDE: Extension functions completion should recognize context receivers
  • KTIJ-26419 K2 IDE: Completion in anonymous function inside when branch expression does not account for smart cast
  • KTIJ-26629 K2 IDE: Completion of types in anonymous function return is not shortened
  • KTIJ-26599 K2 IDE: Typing do ... while statement: InvalidFirElementTypeException: "For DO_WHILE with text... FirExpression expected, but FirDoWhileLoopImpl found"
  • KTIJ-26113 K2 IDE: Completion in when branch does not account for smart casts if else branch is present
  • KT-60451 K2 IDE: FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtProperty, fir is class org.jetbrains.kotlin.fir.expressions.impl.FirBlockImpl
  • KTIJ-21103 FIR IDE: implement completion In Kdoc
  • KTIJ-24096 K2 IDE: Completion should insert the fully-qualified class name when the short class name clashes with a name from scope
  • KTIJ-25116 K2 IDE: Name shortening in constructor's parameters affects constructor
  • KTIJ-19863 Bad completion variants inside annotations

IDE. Decompiler, Indexing, Stubs

  • KTIJ-26706 Bytecode viewer: "IllegalStateException: Couldn't find declaration file" for a file with a delegated property with inline accessor in another module
  • KTIJ-25465 IDE hangs when indexing Kotlin project
  • KTIJ-25979 K2 IDE: 'java.lang.IllegalStateException: Attempt to load decompiled text, please use stubs instead' exception if navigate to the decompiled KGP sources
  • KTIJ-25985 Stub mismatch for names with special characters

IDE. Gradle Integration

  • KTIJ-25334 Gradle 8.1: Unresolved references in IDE for build.gradle.kts
  • KT-61777 Explicit API mode isn't reflected in IDE settings unless every task is configured with Gradle
  • KTIJ-26306 apiLevel (API version) for Kotlin/Native modules is set to 1.8 with KGP 1.9 and IDE Plugin 1.9.0-XXX, if the compiler bundled to IDE Plugin is still 1.8
  • KT-61172 MPP: Stacktraces of diagnostics are always printed during IDEA sync
  • KT-48554 [Multiplatform Import] Ensure consistency between GradleImportProperties and PropertiesProvider
  • KT-36677 MPP Gradle plugin doesn't respect manually set compiler arg -opt-in
  • KT-58696 MPP + IDEA: tryK2 does not affect LV value of common facets
  • KT-53875 Warn users about erroneously adding dependsOn from test to main
  • KTIJ-23890 Gradle to IDEA import: "You are currently using the Kotlin/JS Legacy toolchain" balloon is shown when I actually use IR

IDE. Gradle. Script

  • KTIJ-25523 Scripts: support for standalone configuration flag
  • KTIJ-25910 Scripts: transition to GistStorage
  • KTIJ-26778 Gradle 8.3: some parts of build.gradle.kts look unresolved
  • KTIJ-26308 IAE “Unable to find script compilation configuration for the script KtFile: build.gradle.kts” on reopening project with build.gradle.kts
  • KT-60171 K2 IDE: scripting freeze on kotlin project build.gradle.kts file
  • KT-60236 K2 scripting: completion fails with exception
  • KT-59801 K2 IDE: Adding of an import with a task name to a build script leads to unresolved references
  • KT-60749 Scripting: default definition as a fallback
  • KT-60199 K2 scripting: exception on script opening
  • KT-60193 K2 scripts: configuration discovery fails silently from time to time

IDE. Hints. Parameter Info

  • KTIJ-26824 K2 IDE: "Parameter Info" shows incorrect overload as selected

IDE. Inspections and Intentions

New Features

  • KTIJ-26302 K2 IDE: Support adding a @OptIn annotation and suggesting to propagate opt-in requirement in quickFixes
  • KTIJ-25002 Provide a quick fix to migrate use-site 'get' annotations on getters

Fixes

  • KTIJ-24832 K2 IDE: 'Redundant qualifier name' false positive for nested classes from supertypes on the outside of a class
  • KTIJ-26103 K2 IDE: False positive in redundant qualifier inspection
  • KTIJ-26024 K2 IDE: False positive "Redundant qualifier" inspection on a nested class which extends its outer class
  • KTIJ-26576 K2 IDE: "Redundant qualifier" false positive with referring parent's subclass in type constraint
  • KTIJ-26785 K2 IDE: False positive "Redundant qualifier" inspection in extension function for Java interface with nested interface
  • KTIJ-26695 K2 IDE. False negative "Redundant qualifier" directive for invoke function from object
  • KTIJ-26627 K2 IDE: False positive "Redundant qualifier" inspection on extension property called on object when other 'this' is present in scope
  • KTIJ-23407 K2 IDE. False positive unused import directive for invoke function from object
  • KTIJ-26808 K2 IDE. "Redundant qualifier" inspection on the receiver of static method from Java may change semantic when receiver is not direct parent
  • KTIJ-26840 K2 IDE. False positive "Redundant qualifier" inspection when accessing companion object member inside anonymous object and there is a name clash
  • KTIJ-26498 KMP: Create expect-actual dialog selects incorrect path on Windows
  • KTIJ-24877 K2 IDE. False negative unused import directive when declaration is available in file indirectly
  • KTIJ-25368 K2 IDE. Specify type explicitly intention does not work with Java records

IDE. JS

  • KTIJ-25023 K/JS: Remove balloon warning about migration to IR backend

IDE. Libraries

  • KTIJ-13660 MPP library: No gutters for expect and actual symbols

IDE. Misc

  • KT-60053 IdeaKotlinBinaryCoordinates doesn't respect capabilities and classifier attributes

IDE. Multiplatform

Fixes

  • KTIJ-26700 KMP: false positive report of non matching expect and actual annotations if annotation is actual typealias
  • KTIJ-25997 KotlinMPPGradleTestTasksProvider: Support jvm targets with other names (such as android)
  • KT-61686 Check and update places in compiler and IDE where we are saying that MPP is experimental/Beta/Alpha
  • KTIJ-27058 Wizard's KMM application failed to build in 232 AS
  • KT-59760 [BUG] Use bundled version of Kotlin IDE Plugin in KMM Tests instead of custom
  • KT-61520 Sources.jar is not imported for common and intermediate source-sets from the MPP library
  • KTIJ-25842 MPP: New create expect/actual dialog uses deprecated location for android instrumented actual counterpart
  • KTIJ-25746 MPP: Unable to distinguish android unit and instrumented tests in new create expect/actual dialog if instrumented tests are depends on common
  • KT-60410 Add minimum supported KGP version in intellij.git infrastructure
  • KT-59794 Bump used KGP in multiplatform intellij.git tests after release 1.9.0
  • KT-59518 Cherry-pick old-import tests into 231-1.9.0/master
  • KT-56736 Investigate how-to run multiplatform tests on real devices
  • KT-59519 Bump AGP versions in intellij.git tests in master
  • KTIJ-25591 MPP: Create expect/actual dialog doesn't allow selecting all targets
  • KT-56684 Adopt KMM UI tests to be used with IDEA
  • KT-50952 MPP: Commonized cinterops doesn't attach/detach to source set on configuration changes

IDE. Navigation

  • KT-61894 Navigation from java sources leads to Kotlin decompiled code in case of suspend function
  • KTIJ-27053 Value parameters documentation of expect isn't shown in actuals
  • KTIJ-26292 Documentation for expect/actual comes from a random actual
  • KTIJ-26441 K2 IDE: navigation doesn't work when type parameters are missed in annotation call
  • KTIJ-26566 K2 IDE: don't show no-name parameters in presentations
  • KTIJ-25366 K2 IDE. Go to declaration of Java record shows record and constructor

IDE. Refactorings. Rename

  • KTIJ-25762 K2 IDE. label rename doesn't change it's name in usages after rename refactoring

IDE. Script

  • KTIJ-25989 java.lang.NullPointerException: Cannot invoke "com.intellij.openapi.vfs.VirtualFile.getPath()" because the return value of "java.lang.ThreadLocal.get()" is null
  • KT-60519 Analysis API: scripts are not invalidated on PCE
  • KTIJ-26670 K2 Scripts: We should be able to find a symbol for
  • KTIJ-25731 KtAssignResolutionPresenceService is not available as a service in 231-1.9.20
  • KT-60307 K2 IDE. KotlinExceptionWithAttachments in script file

IDE. Wizards

  • KTIJ-27005 Wizards 232: Fix generated kotlin version for 1.9.20-Beta
  • KTIJ-26846 Adjust compatibility data for 1.9.20 release
  • KTIJ-26479 1.9.20: Update versions in wizards
  • KT-59347 Rename Compose Multiplatform wizard to Compose for Desktop

IR. Interpreter

  • KT-60467 "InternalError: Companion object * cannot be interpreted" caused by java's package name
  • KT-60744 Restore binary compatibility of toIrConst function

IR. Tree

  • KT-59771 Restore compatibility of IdSignature.CommonSignature
  • KT-59772 Restore compatibility of IrFactory#createFunction
  • KT-59308 Auto-generate the IrFactory interface

JS. Tools

  • KT-44838 Kotlin/JS source-map-loader slow performance since 1.4.0

JavaScript

New Features

  • KT-58684 KJS: ES15 classes — creating instance by class

Performance Improvements

  • KT-58187 KJS / IR: Huge performance bottleneck while generating sourceMaps (getCannonicalFile)

Fixes

  • KT-60425 Kotlin/JS compiler incorrect behavior for object singleton with CompleteableDeferred
  • KT-62790 java.lang.ClassCastException in compiler when ::class is used
  • KT-60495 K2: Make JS CliTestGenerated working with K2
  • KT-6168 Ability to generate one JS file for each Kotlin source file
  • KT-60667 K2 / KJS: jsTest fails with "SyntaxError: Unexpected token '}'" on runtime
  • KT-61581 KJS: generate separate imports for useEsModules()
  • KT-56737 K2: build Space JS
  • KT-59001 K/JS: Use open-addressing hash map in JS stdlib
  • KT-60131 KJS: Interference between @JsExport and final implementation of properties
  • KT-59712 K/JS: Implement enumEntries intrinsic
  • KT-60202 JsExport.Ignored internal extension still has "JavaScript name () generated for this declaration clashes with another declaration"
  • KT-51333 KJS: some KType equals Nothing's KType throws an exception, breaking its symmetry
  • KT-58857 KJS/IR: js file is not generated when source is stored in /var folder
  • KT-53482 KJS: Inheritance from JS class fails in ES6, because constructor is not called with new
  • KT-58891 K/JS: non-local return in lambda may leave an unreachable JS code after return
  • KT-49077 KJS / IR: Wrong method called when using overloaded methods and class with the same name
  • KT-59718 K/JS: Concatenating a String with a Char can lead to boxing of the Char
  • KT-59717 K/JS: a redundant boxing of a returned Char from an inline function
  • KT-39506 Kotlin/JS browser application using JS IR and React fails in runtime with "TypeError: _this__0._set_name__2 is not a function"
  • KT-59151 K2 / KJS: NullPointerException in Fir2IrClassifierStorage.preCacheBuiltinClasses
  • KT-59335 K/JS ES6 classes: A child constructor, when using parent secondary constructor super call, creates a parent object
  • KT-58797 Optimize the code generated for objects on JS and Wasm backends
  • KT-52339 FIx failing JS tests after bootstrap update
  • KT-46643 KJS / IR: Setter of overridden var of external val is removed
  • KT-55315 IR: can't access the stack property of Throwable
  • KT-59204 Automatically generate NATIVE directive in tests for IR signatures
  • KT-59239 K/JS: Bridge not generated for checking parameter type in generic class override
  • KT-57347 KJS: BE IR Incremental cache invalidation doesn't work after inserting Partial Linkage stub
  • KT-58599 KJS: Adding an override method to open class does not rebuild children JS code
  • KT-58003 K2/MPP/JS: compiler IR serialization crash on multiple calls to inherited expect-function
  • KT-38017 KJS: tests generate invalid code depending on file names
  • KT-25796 KJS: Top-level constructs are put in an incorrect order
  • KT-58396 KJS / IR: "IllegalStateException: Validation failed in file" with Enum.entries and inheritance

KMM Plugin

  • KTIJ-27158 Import is failing after creation of new module if project don't use versionCatalog
  • KT-59492 KMM AS plugin for Canary 231 reports error

Klibs

  • KT-58877 [klib tool] add ability to dump klib ir
  • KT-54402 Programmatic API to dump public signatures from KLibs
  • KT-60576 Keep supported IR signature versions in manifest
  • KT-59136 [PL] Lower the default PL engine messages log level down to INFO
  • KT-59486 klib: Serialize mangled names along with signatures

Language Design

  • KT-22841 Prohibit different member scopes for non-final expect and its actual
  • KT-49175 Inconsistency with extension super-type allowance between suspend / non-suspend function types
  • KT-61573 Emit the compilation warning on expect/actual classes. The warning must mention that expect/actual classes are in Beta
  • KT-57614 KMP: consider prohibiting actual typealias when the corresponding expect class has default arguments
  • KT-27750 Reverse reservation of 'yield' as keyword

Libraries

New Features

  • KT-59440 Rework Flags API in kotlinx-metadata-jvm

Fixes

  • KT-62381 K/Wasm: (re)publish libraries with 1.9.20-Beta2 (or newer if available)
  • KT-62656 Drop @AllowDifferentMembersInActual from stdlib
  • KT-58887 Reflection: "IllegalArgumentException: argument type mismatch" when using reflection to invoke a value class returning function that suspends
  • KT-61507 Native: enum hashcode is not final
  • KT-56106 Migrate stdlib to current Kotlin Multiplatform Plugin
  • KT-58402 Migrate Vector128 from kotlin.native to kotlinx.cinterop
  • KT-60911 Compatibility publishing of kotlin-stdlib-common
  • KT-53154 Deprecate enumValues and replace it with enumEntries in standard library
  • KT-58123 Update deprecations in native atomic classes for 1.9.20
  • KT-60444 transformJvmMainAtomicfu fails with java.lang.NoSuchMethodError: 'kotlin.Metadata kotlinx.metadata.jvm.KotlinClassMetadata.getAnnotationData()'
  • KT-61342 kotlin-test-wasm-* artifacts include test code
  • KT-61315 Publish common sources in kotlin-test-js sources jar
  • KT-56608 WASI Preview1 version of Kotlin/Wasm stdlib
  • KT-55765 Review and stabilize stdlib surface available in K/N
  • KT-55297 kotlin-stdlib should declare constraints on kotlin-stdlib-jdk8 and kotlin-stdlib-jdk7
  • KT-57838 Native: raise ExperimentalNativeApi opt-in requirement level to ERROR
  • KT-61028 Behavioural changes to the Native stdlib API
  • KT-61024 Native: Mark the kotlin.native.CName annotation with ExperimentalNativeApi
  • KT-61025 Native: Deprecate HashSet.getElement() with WARNING
  • KT-53791 Publish standard library as a multiplatform artifact with Gradle metadata
  • KT-57363 Remove reified constraint from Array constructors in platforms where Array type parameter is not required to be reified
  • KT-57401 Native: Regex matching zero length should split surrogate pairs
  • KT-57359 Provide Common StringBuilder.append/insert with primitive type arguments
  • KT-58264 K2: republish kotlinx.metadata to support LV 2.0
  • KT-57710 Native: Internalize @Retain and @RetainForTarget annotations
  • KT-57720 Native: Consider strictening NativeRuntimeApi opt-in requirement level to ERROR
  • KT-57837 Deprecate kotlin.native.SharedImmutable and kotlin.native.concurrent.SharedImmutable
  • KT-58126 Wasm: Consider removing Primitive.equals(Primitive) overload on primitive types
  • KT-53327 Migrate all usages of 'Enum.values' to 'Enum.entries' in standard library
  • KT-59366 Deprecate KmModule.annotations
  • KT-59365 Get rid of two-stage parsing in KotlinClassMetadata
  • KT-35116 Enum.valueOf throws inconsistent exception across multiple platforms
  • KT-59223 Native Enum.hashCode should return identity hash code, similar to JVM
  • KT-56637 Native: 'String.indexOf' matches byte sequences not on the char boundary, which also makes the result of 'split' and 'replace' operation incorrect
  • KT-59192 Align behavior of collection constructors across platforms

Native

New Features

  • KT-50463 Native: Provide a way to control the KONAN_DATA_DIR by the Gradle mechanisms
  • KT-59448 K2: IR and FIR signatures are not same for composable functions

Fixes

  • KT-60230 Native: "unknown options: -ios_simulator_version_min -sdk_version" with Xcode 15 beta 3
  • KT-62532 Support Xcode 15.0 frameworks as Kotlin/Native platform libraries
  • KT-61382 Linking XCFramework fails with error: Invalid record (Producer: 'LLVM11.1.0' Reader: 'LLVM APPLE_1_1300.0.29.30_0')
  • KT-61417 Native: string and array variables are not properly displayed in lldb when compiling with caches with Xcode 15
  • KT-60758 Native: Building for 'iOS-simulator', but linking in dylib built for 'iOS' in Xcode 15 beta 4
  • KT-59149 Native: check compiler compatibility with Xcode 15 beta 1
  • KT-58537 iOS project fails to build with rootProject.name = "Contains Space"
  • KT-59073 Native: don't include kotlinx.cli endorsed library into compiler distribution
  • KT-58707 [K/N] Compiler crash building generics with redundant cast
  • KT-58654 Compiler error from kotlin.collections.Map : "Invalid phi record", while compiling for kotlin native

Native. C Export

  • KT-56182 [K2/N] C export doesn't work for non-root packages with K2

Native. C and ObjC Import

  • KT-59642 Remove ability to import forward declaration by library package name
  • KT-59643 K2: Disable merging of forward declaration with real declaration class
  • KT-52882 MPP / Native: expect/actual mechanism broken when base contract is NSObjectProtocol
  • KT-55578 Custom user message for linker error
  • KT-58585 [K2/N] Fix interop issues
  • KT-56041 [K2/N] Fix broken __builtin_nanf(String)
  • KT-57716 [K2/N] Validation failed in file smoke.kt : unexpected type: expected platform.objc.Protocol?, got objcnames.classes.Protocol?
  • KT-56028 [K2/N] cnames.structs.Foo does not resolve
  • KT-59645 Cast to objective C forward declaration crashes compiler
  • KT-58793 [K2/N] Package separators after mangling are different for IR and FIR

Native. ObjC Export

  • KT-56090 [K2/N] Emit DocString klib extensions for ObjCExport

Native. Runtime. Memory

  • KT-61914 Kotlin/Native: massive increase in memory usage
  • KT-61092 Kotlin/Native: Adjust initial values for expected heap size
  • KT-61091 Kotlin/Native: GC scheduler pauses mutators too aggressively
  • KT-61741 Kotlin/Native: tsan error in parallel mark
  • KT-57773 Kotlin/Native: track memory in big chunks in the GC scheduler
  • KT-61089 Kotlin/Native: fix concurrent weak processing for new allocations
  • KT-55364 Implement custom allocator for Kotlin/Native
  • KT-57772 Kotlin/Native: concurrently process weak references in GC
  • KT-57771 Kotlin/Native: parallel mark in GC

Native. Stdlib

  • KT-60608 Introduce AtomicArrays API in K/N stdlib
  • KT-59120 Native: Rewrite stdlib AtomicReference with Volatile instead of custom C++ code

Reflection

  • KT-47973 Reflection: "IllegalArgumentException: argument type mismatch" when using callSuspend to call a function returning value class over primitive
  • KT-41373 "KotlinReflectionInternalError: Unresolved class" when inspecting anonymous Java class
  • KT-61304 Reflection: Calling data class copy method via reflection (callBy) fails when the data class has exactly 64 fields
  • KT-52071 Continue gracefully when the system property check "kotlin.ignore.old.metadata" fails

Tools. CLI

  • KT-60662 Add JVM target bytecode version 21
  • KT-58183 ParseCommandLineArgumentsKt.parseCommandLineArguments takes ~500ms
  • KT-58690 OutOfMemory when compiling in CLI
  • KT-58065 K2: Enable light tree instead of PSI for CLI compilation of JS and Native by default

Tools. CLI. Native

  • KT-59245 [K1/N] Compile sources to native binary in two stages
  • KT-56855 [K2/N] Command-line compiler doesn't support compiling sources directly to a native binary (without intermediate klib) with -language-version 2.0
  • KT-58979 [K2/N] FIR frontend cannot resolve symbols from resolved klib having non-normalized path

Tools. Commonizer

  • KT-59302 Commonizer: make sure that opt-in annotation generated by cinterop made it into commonized artifact
  • KT-62028 False positive "Unnecessary '@OptIn' Annotation" for ExperimentalForeignApi
  • KT-55757 kotlinx.cinterop.UnsafeNumber: empty opt-in message
  • KT-59859 Change the OptIn Level to Error for kotlinx.cinterop.UnsafeNumber
  • KT-59132 K2/Native/CInterop: [UPPER_BOUND_VIOLATED] Type argument is not within its bounds: should be subtype of 'kotlinx/cinterop/CPointed'
  • KT-58822 Kotlin Gradle Plugin: migrate tests off native deprecated targets
  • KT-47641 Enabled cInterop commonization triggers native compilation during Gradle sync in IDE

Tools. Compiler Plugin API

  • KT-58638 K2: Annotations generated by IR plugins are not included into metadata
  • KT-61872 K2: Adding annotations to metadata from backend plugin doesn't work in the presence of comments on annotated declaration
  • KT-61833 K2: annotations added via addMetadataVisibleAnnotationsToElement to declarations from common sourceset in MPP project are invisible
  • KT-60051 K2: Support metadata serialization of primitive const annotation arguments generated by IR plugins

Tools. Compiler Plugins

  • KT-61550 [atomicfu-compiler-plugin]: check that atomic properties are declared as private or internal val
  • KT-58079 K2/atomicfu: JVM IR transformer crash on atomic extension functions
  • KT-61293 Usage of atomicfu compiler plugin leads to UnsupportedClassVersionError if Gradle runs on JVM <11
  • KT-55876 K2. "[Internal Error] java.lang.NoClassDefFoundError: org/jetbrains/kotlin/com/intellij/openapi/util/UserDataHolderBase" when project with languageVersion 2.0 is Built and Run using Intelij IDEA
  • KT-58049 K2: Smartcast of nullable property fails when Spring compiler plugin is present
  • KT-57468 Kotlin assignment plugin: operation name cannot be found for reference

Tools. Compiler plugins. Serialization

  • KT-58501 K2/MPP/serialization: several classifier kinds seem to miss generated serializer functions when compiled to K/JS and K/Native targets
  • KT-59768 kotlinx.serialization + K2 + JS/Native: Support meta-annotations on sealed interfaces with user-defined companions

Tools. Gradle

New Features

  • KT-59000 Default standard library dependency should use the single artifact for all targets
  • KT-57398 Add ability to run compilation via build-tools-api
  • KT-34901 Gradle testFixtures don't have friendPaths set
  • KT-44833 Gradle DSL: Add languageSettings accessor to kotlin extension that applies to all source sets
  • KT-58315 Add build metrics for Kotlin/Native task

Performance Improvements

  • KT-62318 Android Studio sync memory leak in 1.9.20-Beta
  • KT-62496 Configuration time regression with KGP 1.9.20-Beta caused by loading of properties
  • KT-61426 Enabling compilation via the build tools API may cause high metaspace usage

Fixes

  • KT-61359 "Unresolved reference: platform" when enabling Gradle configuration cache
  • KT-59826 Update SimpleKotlinGradleIT#testProjectIsolation to run on Gradle 8
  • KT-57565 Add ability to capture classpath snapshots via the build-tools-api
  • KT-51964 Optimize kotlin.incremental.useClasspathSnapshot feature to improve incremental Kotlin compilation
  • KT-61368 Native compiler option 'module-name' isn't available within the compilerOptions extension for native target while configuring it inside compilations
  • KT-61355 freeCompilerArgs arguments and its values are passed to the compiler 5 times if added through target-level compilerOptions{} extension inside compilations
  • KT-61273 KGP: TaskOutputsBackup.createSnapshot was failed by IOException sometimes
  • KT-58987 Use some available JVM target if there's no JvmTarget for the inferred toolchain version
  • KT-58234 Kotlin Gradle Plugin: Deprecate and remove KotlinCompilation.source API
  • KT-61401 The reported language version value for KotlinNativeLink tasks in build reports and build scans is inaccurate
  • KT-54231 Compatibility with Gradle 8.0 release
  • KT-61950 K/Wasm: Add warning about changed sourceSets
  • KT-61895 KotlinTopLevelExtension.useCompilerVersion is not marked as experimental
  • KT-61303 The module-name value stays unchanged when configuring it through compiler options extension specific to the android target
  • KT-61194 MPP compiler options: part of JsCompilerOptions set up using js { compilerOptions {} } extension is lost
  • KT-61253 CompileExecutableKotlinJs task is skipped while configuring LV either using sourceSets.all {} or both js compiler options extension and base multiplatform compiler options extension
  • KT-59588 Upgrade max gradle version to max supported in kapt connected tests
  • KT-61292 Gradle: compilation tasks may capture wrong build directory when build directory is changed after task configuration
  • KT-61193 Flag kotlin.experimental.tryK2 doesn't set LV 2.0 for tasks of kotlin-js gradle plugin
  • KT-60541 Possibility to create a custom usable KotlinCompile task without using internals
  • KT-59451 [K2][1.9.0-Beta] "Errors were stored into ..." log files never actually exist
  • KT-48898 Can't suppress warnings by Optin() in KMM build.gradle.kts or IDEA settings
  • KT-60660 konan.data.dir property not provided for K/N Gradle project build (on Linux or Mac) with a dependency from a Maven
  • KT-56959 K2: Set up Ktor repo performance benchmarks with K2 enabled
  • KT-56178 Compatibility with Gradle 8.1 release
  • KT-61457 Kotlin Gradle Plugin should not use internal deprecated StartParameterInternal.isConfigurationCache
  • KT-60718 Kotlin Gradle Plugin's incremental compilation violates Project Isolation by accessing the tasks in the task graph that were produced by other projects
  • KT-60717 Kotlin Gradle Plugin violates Project Isolation restrictions by dynamically looking up properties in the project
  • KT-54232 Don't check if file exists in task file inputs configuration
  • KT-61066 [KMP] iOS "Unkown Kotlin JVM target 20"
  • KT-54160 New KGP API using lazy properties to add compiler plugin options may remove options with the same pluginId
  • KT-60839 KGP provides incorrect default value "ENABLED" for -Xpartial-linkage
  • KT-15370 Gradle DSL: add module-level kotlin options
  • KT-57645 build_scan failed in testBuildScanReportSmokeTestForConfigurationCache test with Gradle 8.0.2
  • KT-59827 Update configuration to validate plugin inputs
  • KT-59799 Validate Gralde Integrations tests has only one tag
  • KT-59117 Add gradle integration tests for explicit api mode in Android projects
  • KT-59587 Upgrade max gradle version to max supported in jvmToolchain connected tests
  • KT-56636 Bump max Gradle version for integration tests to 8.0
  • KT-58353 Support reporting of diagnostics after projects are evaluated
  • KT-53822 Upgrade the gradle-download-task dependency of the Kotlin Gradle plugin
  • KT-58162 Kotlin Gradle Plugin: Remove kotlinx.coroutines from classpath of KGP
  • KT-58104 Check values for MPP_PLATFORMS
  • KT-58569 Bump language version for Gradle plugins dependencies to 1.5

Tools. Gradle. Cocoapods

  • KT-59263 Add diagnostic that a dummy framework is not present when build is triggered from Xcode
  • KT-57741 KMP importing an iOS project with Xcode 14.3 fails when importing a pod that depends on libarclite_iphoneos
  • KT-60050 Log reason why podInstall task is skipped
  • KT-49430 Stop invalidating iOS framework generated by KMM module on each Gradle Sync
  • KT-59522 Set the required environment for cocoapods invocations
  • KT-59313 Elevate to error deprecation of useLibraries
  • KT-58775 If the pod has a declared dependency on itself, then it will cause StackOverFlow exception while importing of a project

Tools. Gradle. JS

New Features

  • KT-49789 KJS / Gradle: Add npm style repository option for YarnRootExtension - and/or don't register github repository when download=false

Fixes

  • KT-60469 KJS: "Could not serialize value of type Build_gradle" caused by changed name in packageJson task
  • KT-61623 K/Wasm: Error with project dependency between modules with both wasmJs and wasmWasi targets
  • KT-61326 K/JS: rootPackageJson fails with NLP when testPackageJson skipped and main packageJson up-to-date
  • KT-60218 K/JS reports reports deprecation for non-Action dsl params in regular kotlin dsl
  • KT-56933 Add Kotlin/JS incremental tests with K2 enabled
  • KT-58970 browserTest gradle task fails if karma is used and gradle configuration cache is enabled
  • KT-42520 Add a way to setup generating separate js files for each module inside gradle
  • KT-32086 Gradle, JS: runTask.enabled = false has no effect on npm dependencies
  • KT-48358 KJS: Circular dependency when multiple second-level Gradle modules have the same name
  • KT-50530 Kotlin/JS: enabling kotlin.js.ir.output.granularity=whole-program does not remove superfluous .js output files
  • KT-50442 KJS / Gradle: webpack plugin errors not logged
  • KT-46003 KJS / IR: Should provide single distributions folder for production and development similarly to Legacy
  • KT-47319 KJS: Error when project contains two modules with same name
  • KT-46010 KJS / Gradle: Can't find a file on building on Windows
  • KT-48923 KJS / Gradle: No Webpack error messages when Node.js process exits unexpected
  • KT-51942 KJS / Gradle: fails with two projects with the same name, but different paths
  • KT-51372 Kotlin/JS: Gradle compileKotlinJs processes directory just excluded from source set
  • KT-52134 KJS: the default generated JS module name in a Gradle project with multiple subprojects is incomplete, which might cause duplicate names and build conflicts
  • KT-52776 KJS / Gradle: Webpack version update despite yarn.lock breaks Kotlin/JS build
  • KT-39173 Kotlin/JS: kotlinNpmInstall fails with Gradle plugin 1.4-M2 and transitive dependency to 1.4-M1
  • KT-55216 KJS / IR: Transitive NPM dependencies between projects are not included in jsPublicPackageJsonTask
  • KT-54182 MPP / JS: StackOverflowError when in a Gradle multi-project and Kotlin Multiplatform build with the JS IR target which depends on another with the same subproject name via a renamed published Maven artifact
  • KT-58250 The NodeJsExec tasks are not compatible with Gradle configuration cache
  • KT-58256 The D8Exec tasks are not compatible with Gradle configuration cache

Tools. Gradle. Multiplatform

New Features

  • KT-60441 KGP based dependency resolution: Support 'idea.gradle.download.sources' flag

Fixes

  • KT-59316 Deprecate multiple ‘same’ targets
  • KT-59042 "Cannot build 'KotlinProjectStructureMetadata' during project configuration phase" when configuration cache enabled
  • KT-58029 Emit warning when using experimental artifacts DSL
  • KT-60763 Evaluate user feedback after switch to java-base plugin for KotlinJvmTarget.withJava
  • KT-62029 Kotlin 1.9.20-Beta fails to detect some transitive dependency references in JVM+Android source set
  • KT-61652 MPP ConcurrentModificationException on transformCommonMainDependenciesMetadata
  • KT-61622 Upgrading to Kotlin 1.9 prevents commonMain sourceset classes from being processed by kapt/ksp (dagger/Hilt)
  • KT-59321 Deprecate targets.presets
  • KT-58759 Deprecate platform, enforcedPlatform and other related to Gradle DependencyHandler methods in KotlinDependencyHandler
  • KT-60579 Multiplatform;Composite Builds: prepareKotlinIdeaImport called by wrong path for nested build, causing sync fail
  • KT-61540 K2: KMP/K2: Metadata compilations: Discriminate expect over actual by sorting compile path using refines edges
  • KTIJ-26340 Bump Kotlin Gradle Plugin version to '1.9.20-dev-6845'
  • KT-59020 1.9.0 Beta Kotlin plugin Gradle sync fails with intermediate JVM + Android source set
  • KT-60198 Stop publishing the org.jetbrains.kotlin.multiplatform.pm20
  • KT-60596 Return targetHierarchy with deprecation to kotlin dsl for smooth migration
  • KT-59595 KotlinJvmTarget.withJava: Switch implementation from java to java-base plugin
  • KT-58800 Add some cocoapods will cause Xcode preview into build loop since Xcode 14.3
  • KT-58489 MPP: Add an error if SourceLayoutV1 is used
  • KT-59774 MPP: Print stacktraces of diagnostics only when --stacktrace (or higher) is used
  • KT-60158 KotlinJvmTarget.withJava: Ensure java source sets are created eagerly
  • KT-58316 Gradle 8: ':podDebugFrameworkIosFat' and [configuration ':debugFrameworkIosFat'] contain identical attribute sets
  • KT-59615 renderReportedDiagnostics: Rename 'isVerbose' to 'renderForTests'
  • KT-60943 K2/KMP: compileCommonMainKotlinMetadata fails with resolution ambiguity between candidates from stdlib
  • KT-60491 KMP: Add documentation link to the warning message w: The Default Kotlin Hierarchy was not applied to
  • KT-57521 MPP: Compiler options declared in places other than languageSettings don't reach shared source sets
  • KT-58676 Enable default Kotlin Target Hierarchy by default
  • KT-61056 Native-shared source sets don't receive dependency on a commonMain of 1.9.20 stdlib
  • KT-58712 Enable commonization by default if the CocoaPods plugin provided the dependencies that should be commonized
  • KT-59317 Deprecate ios() preset in favor of target hierarchy
  • KT-47144 [Multiplatform] Warn about setting *Test.dependsOn(*Main)
  • KT-59733 Make KotlinDefaultHierarchyFallbackIllegalTargetNames to check target names disregarding the case
  • KT-55787 Deprecate dependsOn edges ending at declared source sets of platform compilations
  • KT-58872 MPP: kotlin-test library reported as published in the legacy mode
  • KT-59863 pluginManagement.includeBuild doesn't work when kotlin("multiplatform") applied to one of subprojects of included build
  • KT-58729 Investigate failures in KMM UI tests
  • KT-59661 Bump kotlin.git AGP version in tests to 8
  • KT-58753 Add Hedgehog AS in KMM UI tests
  • KT-58731 Fix failues in Mac tests in kt-master, kt-231-1.9.0 and kt-223-1.9.0
  • KT-59248 Fix failures in Mac tests and Android Tests in kt-223-master and kt-231-master
  • KT-58732 Run kt-master Mac tests on cloud Mac
  • KT-57686 Fix KMM UI tests again
  • KT-60134 MPP: Include user attributes to host-specific metadata dependency configurations
  • KT-60233 Investigate publication of TargetJvmEnivornment on Kotlin configuration
  • KT-59311 Elevate to Error commonMain.dependsOn(anything)
  • KT-59320 Elevate to Error usage of jvmWithJava
  • KT-45877 MPP / Gradle: "GradleException: Please initialize at least one Kotlin target" isn't user-friendly
  • KT-59844 KGP-based import: Reduce 'red wall of errors' on dependency resolution failures
  • KT-60462 jvm().withJava(): Zombie instance returned for compilations created after withJava call
  • KT-58471 Kotlin Multiplatform plugin resolves configurations during configuration
  • KT-59578 External Android Target: Implement integration tests
  • KT-58737 Develop tests for old import in new intellij.git test infra
  • KT-59268 Run multiplatform tests in intellij.git with XCode 15.0 manually
  • KT-58220 Kotlin Gradle Plugin: Kotlin 1.9 release grooming
  • KT-58305 Investigate KotlinAndroidMppIT.testCustomAttributesInAndroidTargets: being broken for AGP 7.0.4
  • KT-58255 Kotlin Gradle Plugin Lifecycle: Remove LifecycleAwareProperty
  • KT-55312 Replace "ALL_COMPILE_DEPENDENCIES_METADATA" configuration with set of metadata dependencies configurations associated per set
  • KT-54825 TCS: Gradle Sync: Dependency resolution in KGP

Tools. Gradle. Native

  • KT-54362 Support Gradle Configuration caching in Xcode integration tasks and in CocoaPods plugin
  • KT-61700 Native: linkDebugExecutableNative has duplicated freeCompilerArgs
  • KT-58519 Migrate Xcode/CocoaPods warnings to the new diagnostics infra
  • KT-61154 NativeCompilerDownloader adds .konan/kotlin-native-prebuilt-linux-x86_64-1.9.0/konan/lib/kotlin-native-compiler-embeddable.jar as configuration cache input
  • KT-59252 Support configuration cache in Xcode/CocoaPods tasks with Gradle 8.1

Tools. Incremental Compile

  • KT-61852 Kotlin 1.9.20-Beta: incremental compilation fails with files outside of the project folder
  • KT-19745 After konverting java to kotlin, kapt3 throws duplicate class exception
  • KT-58547 "has several compatible actual declarations in , "

Tools. JPS

  • KT-58026 Add basic JPS build performance metrics
  • KT-57039 K2 IDE. Cannot compile gradle project with LV=2.0 via JPS with NoClassDefFoundError: org/jetbrains/kotlin/com/intellij/openapi/util/UserDataHolderBase
  • KT-58314 kotlin-build-statistics is missing for kotlin-jps-plugin

Tools. Kapt

Fixes

  • KT-62438 Change experimental K2 kapt diagnostic message
  • KT-61879 K2 Kapt: java.lang.NoSuchMethodError during stub generation
  • KT-58326 KAPT / Gradle: argument changes are ignored
  • KT-61114 K2 Kapt: add a Gradle property kapt.use.k2 to enable K2 Kapt
  • KT-57594 K2: Investigate the Kapt features used in the quality gates projects
  • KT-59754 K2: KAPT4 generates non-compilable code for nested data classes, annotated by Moshi's @JsonClass
  • KT-60270 K2: KAPT4 tries to generate metadata for local variables
  • KT-60293 K2: KAPT4 fails to generate metadata for const vals
  • KT-59704 KAPT4 does not support Dagger's @Inject lateinit properties
  • KT-59745 K2: KAPT4: ISE when passing moshi's @JsonClass to Class
  • KT-59756 K2: KAPT4 with Moshi generates @Transient fields
  • KT-59757 K2: KAPT4: Generic interfaces with default methods lead to static usage of type parameters
  • KT-59703 KAPT4 generates old metadata version

Tools. Maven

  • KT-26156 Maven Kotlin Plugin should not WARN when no sources found

Tools. Parcelize

  • KT-57795 Add for-ide support for Parcelize K2 jars

Tools. Scripts

  • KT-57877 K2 / Script: "IllegalArgumentException: source must not be null" during compilation
  • KT-58817 K2: support for .kts highlighting and completion

Tools. Wasm

  • KT-62128 Wasm tests (still) do not work on Kotlin 1.9.20-Beta2
  • KT-61973 K/Wasm: wasmWasiNodeRun is missed
  • KT-61971 K/Wasm: wasmWasiTest should depends on kotlinNodeJsSetup
  • KT-60654 Wasm: split wasm target into wasm-js and wasm-wasi
  • KT-57058 Do not require a return value for DOM event listeners with Kotlin/Wasm
  • KT-59062 WASM: Report errors when calling WebAssembly.instantiateStreaming in tests
  • KTIJ-25207 Collect stats about Kotlin/Wasm usage

1.9.0

Analysis API

New Features

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

Fixes

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

Backend. Native. Debug

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

Backend. Wasm

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

Compiler

New Features

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

Performance Improvements

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

Fixes

  • KT-57784 "NullPointerException: Parameter specified as non-null is null:" with enum, companion object, 'entries' and map
  • KT-55217 K2: support callable reference conversions on top-level expressions
  • KT-57232 K2: build Space JVM (master)
  • KT-59079 "AE: SyntheticAccessorLowering should not attempt to modify other files!" with callable reference to constructor with value class parameter
  • KT-58837 Partial linkage fails to report any compiler message on Windows when launched through Gradle plugin
  • KT-57602 K2: Rework member scope of types having projection arguments for covariant parameters
  • KT-55171 Put new contracts syntax under a feature flag
  • KT-58719 K2: false-positive INVISIBLE_REFERENCE error in case of importing an internal abstract class
  • KT-56030 [K2/N] Support Objective-C overloading by param names only
  • KT-57510 K2: Data class equals/hashCode/toString methods are not written to Klib metadata
  • KT-56331 K2: compiler backend crash on usage of expected function with default arguments
  • KT-53846 K2 / Context receivers: ClassCastException on secondary constructor of class with context receiver
  • KT-58621 K2: Private class shadows public function defined in the same package
  • KT-59102 K2: constant evaluator does not provide Long type on shl
  • KT-59066 [K2] delegation leads to "IllegalStateException: Expected some types"
  • KT-56074 K2: build Space JVM (snapshot 2022.3)
  • KT-58787 KAPT: "NullPointerException: null cannot be cast to non-null type" with delegate
  • KT-57022 K2 IllegalStateException in signature computation
  • KT-56792 K2: build kotlinpoet
  • KT-57373 K2: FIR properties synthesized when implementing interface by delegation don't have accessors
  • KT-56583 K1: Implement opt-in for integer cinterop conversions
  • KT-59030 [PL] Workaround for broken @Deprecated annotations in c-interop KLIBs
  • KT-58618 K2: Local property delegates cannot infer generic return type
  • KT-36770 Prohibit unsafe calls with expected @NotNull T and given Kotlin generic parameter with nullable bound
  • KT-56739 K2: build Space iOS
  • KT-57131 K2: stdlib test compilation fails on ListTest.kt in FirJvmMangleComputer
  • KT-58137 K2: ISE "Usage of default value argument for this annotation is not yet possible" when instantiating Kotlin annotation with default parameter from another module
  • KT-58897 K2: False positive unresolved reference with same-named enum class and its entry
  • KT-40903 Forbid actual member in expect class
  • KT-30905 Expect var property with default public setter matches with actual var property with private setter
  • KT-56172 K2: Fix reporting of PRIVATE_CLASS_MEMBER_FROM_INLINE error
  • KT-56171 Implement deprecation warning for missing PRIVATE_CLASS_MEMBER_FROM_INLINE error
  • KT-27261 Contracts for infix functions don't work (for receivers and parameters)
  • KT-56927 Enum with secondary constructor can't be compiled with K2 using JS/Native backend
  • KT-53568 Partial linkage: absent class as type parameter bound causes failure of compileProductionExecutableKotlinJs
  • KT-53608 Partial linkage: Kotlin/JS fails with IllegalStateException: "Validation failed in file" when overridden declaration was visible, but now private
  • KT-53663 Partial linkage: usage of property which becomes abstract: no IrLinkageError, but AssertionError in Native backend instead
  • KT-56013 K2. a set of errors about local properties are missing
  • KT-53939 Partial linkage: with turning object into class linkNative and jsTest tasks fail
  • KT-53938 Partial linkage: with turning interface into class and using as second parent Native build fails
  • KT-53941 Partial linkage: with turning class into object accessing member via parameterless constructor does not fail
  • KT-53970 Partial linkage: on turning nested class into inner JS tasks are successful, Native build fails
  • KT-53971 Partial linkage: turning inner class into nested: without usage in executable Native is successful, JavaScript fails
  • KT-53972 Partial linkage: turning inner class into nested: with usage in executable Native fails with NPE in backend
  • KT-54045 Partial linkage: turning class into type alias + calculating implicit function type: build fails with UninitializedPropertyAccessException: "lateinit property parent has not been initialized"
  • KT-54046 Partial linkage: turning type alias into class + using it as type: build fails with AssertionError: "Expected exactly one delegating constructor call but none encountered"
  • KT-53887 Partial linkage: turning from enum to regular class + reference to enum contant causes compileProductionExecutableKotlinJs fail with IllegalStateException
  • KT-54047 Partial linkage: reference to removed enum const causes JS fail with "IllegalStateException: Validation failed in file"
  • KT-54048 Partial linkage: reference to removed enum const in runtime causes Native fail with IllegalStateException at IrBindablePublicSymbolBase.getOwner()
  • KT-53995 Partial linkage: on turning class to abstract and direct constructor call Naive fails, JavaScript is successful
  • KT-43527 @ExtensionFunctionType is allowed on function types with no parameters and leads to backend exception
  • KT-55316 K2. IllegalStateException on incorrect import directive name
  • KT-57570 Remove source code excerpts from platform type nullability assertion exceptions
  • KT-56073 K2: build Exposed
  • KT-47932 Report errors on cycles in annotation parameter types
  • KT-38871 Kotlin Gradle DSL, MPP: UNUSED_VARIABLE when configuring a sourceset with delegated property
  • KT-46344 No error for a super class constructor call on a function interface in supertypes list
  • KT-56609 K2: False positive NULL_FOR_NONNULL_TYPE with -Xjsr305=strict and @Nullable annotation Java parameter
  • KT-56656 K1/K2: inconsistent NOTHING_TO_OVERRIDE with complex nullable annotations
  • KT-58332 K2: local fun with suspend type is not marked as suspend in IR
  • KT-57991 K2: Modifier 'suspend' is not applicable to 'anonymous function'
  • KT-54294 K2: "Not all type variables found" in builder inference with type parameters inferred through a union of two branches
  • KT-58564 [PL] Annotations with unlinked parameters are not removed
  • KT-52597 Provide Alpha Support for Multiplatform in the K2 platform
  • KT-58523 K2: reference is resolved to imported type-alias instead of identically named top-level property
  • KT-57098 Native: avoid object initialization while accessing const val
  • KT-57973 32-th default value in inline classes override function is not used
  • KT-57714 "IllegalStateException: <B::!>" using reified generics
  • KT-57810 toString of object erroneously considered as constant function in string concatenation
  • KT-58076 K2: Incorrect inference of type of labeled receiver
  • KT-57929 K2: Arguments of annotations are not calculated in a lot of strange locations
  • KT-54874 K2. No compilation error with incorrect Comparator invocation
  • KT-55388 Consider enabling ProhibitUsingNullableTypeParameterAgainstNotNullAnnotated
  • KT-53041 NPE in Kotlin 1.7.0 when using RxJava Maybe.doOnEvent with anonymous parameters
  • KT-54829 Cleanup local types approximation logic
  • KT-58577 K2: private Kotlin property prevents use of Java set-method from Java-Kotlin-Java hierarchy in another module
  • KT-58587 MUST_BE_INITIALIZED must take into account effectivelly final
  • KT-58524 K2: false-positive overload resolution ambiguity error on invoking a generic class's member function with id-shaped function-typed parameter on intersection-typed receiver
  • KT-53929 Enum.entries: consider changing scope behavior in K1
  • KT-58520 K2: FIR2IR: ISE during const evaluation of operator times with exposed
  • KT-57905 K1: resolution to base class's Java field instead of derived class's Kotlin property is not deprecated in case of different types
  • KT-56662 K1: false negative INVISIBLE_SETTER for a var with internal setter accessed from a derived class
  • KT-57770 K2: Support generation of serializer if base class for serializable class declared in different module
  • KT-58375 Kapt: "wrong number of type arguments. required 1" when more than 22 type arguments
  • KT-48870 [FIR] Different behavior for explicit receiver resolution inside delegated constructors
  • KT-58013 K2: "Not enough information to infer type variable T" when using assert non-null (!!) and delegation
  • KT-58365 K2: Fix stub types leakage in builder inference caused by implicit receiver type update with partially resolved calls (IGNORE_LEAKED_INTERNAL_TYPES for stub types)
  • KT-58214 Continuation parameter only exists in lowered suspend functions, but function origin is LOCAL_FUNCTION_FOR_LAMBDA
  • KT-58030 K2/MPP/JVM: compiler backend crash on super-call to indirectly inherited Java method
  • KT-58135 K2: Priority of extension property is lower than ordinary property
  • KT-57181 [K1/N, K2/N] Expect and Actual funs have different IdSignature.CommonSignature, if Expect has default argument
  • KT-58219 K2/MPP/metadata: false-positive invisible reference error in Native-shared source set
  • KT-58145 K2/MPP/metadata: compiler FIR crash on inheritance of a generic class with property by actual-class from Native-shared source set
  • KT-56023 Constant operations (e.g. division) are not constant in K2 (JS, Native)
  • KT-57354 In suspend function default arguments are sometimes not deleted in IR
  • KT-55242 K2/MPP: basic build/link functionality
  • KT-57979 K2: Unresolved reference error when assigning to Java synthetic property with a different nullability getter
  • KT-57543 K2 reports DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE
  • KT-58142 K2: val parameter with more specific type is lower priority
  • KT-48546 Missed TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM error at plus-assign
  • KT-57854 RECEIVER_TYPE_MISMATCH on synthetic property from mutually recursive Java generics with disabled ProperTypeInferenceConstraintsProcessing
  • KT-54518 False negative NON_PUBLIC_CALL_FROM_PUBLIC_INLINE when calling internal method of super class
  • KT-58025 K2: Argument type mismatch when using Springs HandlerMethodArgumentResolver
  • KT-58259 Unexpected unresolved function call with obvious invoke-convention desugaring
  • KT-57135 K2: Fir should take into account an annotation's allowed targets as well as the use-site target when deciding whether it applies to a property, a field, or a constructor parameter
  • KT-57069 K2: Method kind in metadata is DECLARATION when DELEGATION is used in K1
  • KT-57958 K2: Initializer type mismatch when using extension property on type with star projection
  • KT-58149 K2: New inference error with buildList
  • KT-58008 K2: "Cannot find cached type parameter by FIR symbol: T" on suspend function with generic and nested class
  • KT-57835 K2: compiler crash on lambda with dynamic receiver
  • KT-57601 K2: Builtin function extensionToString can't be accessed
  • KT-57655 K2: ImplicitIntegerCoercion is not working for named arguments
  • KT-58143 K2: overload resolution ambiguity inside dynamic lambda
  • KT-58132 K2: Implicit int constant to long converion crashes FirSerializer
  • KT-57378 Partial linkage: Run codegen box tests for Native & JS with enabled PL
  • KT-58207 K2: Handle result of completion of synthetic call with callable reference argument
  • KT-56549 K2: Reference to Java sealed class fails to compile
  • KT-57994 K2: Type inference failed on function reference
  • KT-58099 interop0 test fails with error "type kotlin.String? is not supported here: doesn't correspond to any C type"
  • KT-57671 Synthetic $EntriesMappings declaration is public and generated even for enums from current module on IC
  • KT-56517 K2: Reference to Java record fails to compile: "unresolved reference", "Overload resolution ambiguity between candidates"
  • KT-58163 FIR: deserialized default property setter and getter must have FirResolvePhase.ANALYZED_DEPENDENCIES phase
  • KT-55646 K2: Report definitely non-nullable as reified error
  • KT-58043 k2: Expect call is not removed from IR with nullability-based overload
  • KT-56442 K2: Make sure K2 has the same behavior for defaults with overrides as K1 has
  • KT-55904 Fix tests for volatile annotation on K2
  • KT-57928 K2: Arguments of annotations on constructor value parameter are not calculated
  • KT-57814 K2: Argument type mismatch with delegating property
  • KT-56490 Implement deprecation for an anonymous type exposed from inline functions with type argument
  • KT-57781 K2: Generated serializer is invisible in a non-JVM test source set
  • KT-57807 K2: Symbol already bound exception for arrayOf function from IrBuiltInsOverFir
  • KT-57962 K2: No set method providing array access on dynamic
  • KT-57353 K2: unresolved reference when using fully qualified object declaration name as an expression, when a declaration package is from another klib and has at least two name segments
  • KT-57899 K2: compiler FIR2IR crash on anonymous object with inheritance by delegation to value of smart-casted type parameter
  • KT-57988 K2: compiler exception on get operator on dynamic this
  • KT-57960 K2: incorrect type inference in lambda with dynamic receiver
  • KT-57923 K2: Optional expectation annotation crashes const evaluator
  • KT-56511 K1: false negative SMARTCAST_IMPOSSIBLE when alien constructor property is accessed from a private class
  • KT-58033 K2 reports Constructor must be private or protected in sealed class in actual sealed class if its constructor has own actual declaration
  • KT-58061 K2: false-positive unsupported feature error on callable references to Java methods from annotation interfaces
  • KT-55079 Refactor DiagnosticReporterByTrackingStrategy and fix some "diagnostic into black hole" problems
  • KT-57889 K2: false-positive lack of information for inline function's type parameter in case of builder-style inference from caller function's return expression
  • KT-57961 K2: Unresolved reference using dynamic lambda parameter
  • KT-57911 K2: Contracts are not inherited by substitution overrides
  • KT-57880 K2: false-positive argument type mismatch due to lambda receiver shadowing labeled outer lambda receiver when assigning lambda to variable
  • KT-57986 K2: NPE on building Space
  • KT-57873 K2: compiler FIR serialization crash on builder-style inference from lambda's return type
  • KT-57941 K2: Assertion error on loading serializable class with non-serializable property compiled with K1 compiler
  • KT-57947 K2: Incorrect resolution results when property type for invokeExtension is not inferred
  • KT-58002 K2: compiler FIR serialization crash on platform type with type-targeted Java annotation with Java enum as argument
  • KT-57263 K2/MPP/JVM: compiler codegen crash on expect-property as default argument for expect-function's parameter
  • KT-56942 K2: False-negative NO_ELSE_IN_WHEN if subject is flexible type
  • KT-56687 Unexpected behaviour with enum entries when using outdated stdlib
  • KT-56398 K2/MPP: compiler backend crash on inheritance from expected interface
  • KT-57806 K2: string interpolation as annotation parameter causes error
  • KT-57611 K2: Annotation arguments are not evaluated
  • KT-56190 [K2/N] Const initializers are not serialized to klib
  • KT-57843 K2: Missing diagnostic when calling constructor through typealias whose expansion has a deprecation
  • KT-57350 FIR: deprecation diagnostic is not reported on a super class call
  • KT-57532 K2: IrActualizer doesn't handle properties overloaded by extension receiver correctly
  • KT-57776 K2: Suppressing "INVISIBLE_REFERENCE" leads to AssertionError: Unexpected IR element found during code generation
  • KT-57769 [K2] Load properties in proper order for classes compiled with kotlinx.serialization and LV < 2.0
  • KT-57879 K2: compiler FIR serialization crash on passing Java constants as arguments to type-targeted annotations
  • KT-57893 K1/K2 inconsistency on smart casts of internally visible properties in friend modules
  • KT-57876 K2: stack overflow in compiler FIR deserialization on nested type-target annotation class used in enclosing class
  • KT-57839 K2: Compiler crash on lambda returning anonymous object with implemented lambda
  • KT-57822 K2: Can't refer to external interface from class literal
  • KT-57809 K2: No value passed for parameter of external class
  • KT-56383 Build intellij master with LV 1.9
  • KT-57735 K2: MPP: K2 reports hides member of supertype and needs 'override' modifier for the function with @PlatformDependent annotation when there is an empty linux target in project
  • KT-55056 Builder inference causes incorrect type inference result in related call
  • KT-57689 K2: Unresolved reference to nested typealias in KLIB
  • KT-57665 K2: incorrect resolution of dynamic type
  • KT-57381 K2/MPP/Native: impossible to override Any::equals with non-external function
  • KT-57654 K2: Lambda with receiver deserialized as lambda without receiver during metadata compilation
  • KT-57662 K2: The error message is poorly formatted and not precise in case of NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS error and @Suppress is used
  • KT-57763 FirExtensionRegistrar extension point broken
  • KT-57312 K2: IR interpreter fails on string interpolation with const val from a klib involved
  • KT-57768 Don't decompile code to search for annotation arguments
  • KT-55628 Diagnostics for kotlin.concurrent.Volatile annotation applicability
  • KT-55860 K2. [CONFLICTING_INHERITED_MEMBERS] for inheritor of a class with overloaded generic function
  • KT-53491 K2: Implement "Operator '==' cannot be applied to 'Long' and 'Int'" error
  • KT-55804 K2: UNSAFE_CALL Non-nullable generic marked as nullable even if non-null asserted
  • KT-57682 K2: Incorrect composing of signatures for calls on dynamic types
  • KT-55405 K2: false-negative INVISIBLE_REFERENCE in import directives
  • KT-54781 K2: no error on unresolved import statement with more than one package
  • KT-57635 K2/MPP: Expect constructors are not considered as expect during metadata deserialization
  • KT-57376 K2/MPP: false-positive K/JS diagnostic in absence of K/JS target when sharing a source set between K/JVM and K/Native
  • KT-55902 K2: Support ImplicitIntegerCoercion annotation
  • KT-56577 Migrate Native KLIB ABI compatibility tests to K2
  • KT-56603 [K2/N] Segfault invoking fun from binary compatible klib
  • KT-57457 K2: the error message is not quite informative in case of EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_ERROR
  • KT-57568 K2: K2, Native reports overload resolution ambiguity
  • KT-57446 K2: Adapter function reference is not generated inside when expression
  • KT-54894 K2: False positive RETURN_TYPE_MISMATCH on function which returns a functional type with @UnsafeVariance argument
  • KT-57001 K2 compilation fails due to nullabillity subtyping not working properly
  • KT-57271 Delay forbidding inference to an empty intersection to version 2.0
  • KT-57209 K2: type parameters are available in companion object scope
  • KT-50550 False positive NO_ELSE_IN_WHEN with annotated when branch condition
  • KT-57431 K2 MPP JS: Compiler crash on transitive common dependencies
  • KT-57456 K2 reports uninitializied variable in enum class when variable is used in lambda and defined in companion object
  • KT-57583 K2/MPP/JS&Native: FIR2IR compiler crash on reference to Any method inherited by expect-classifier
  • KT-56336 [K2/N] Multiplatform test fails with unexpected "actual declaration has no corresponding expected declaration" compiler error
  • KT-57556 K2: Rename error 'This API is not available after FIR'
  • KT-23447 Integer.toChar compiles to missing method
  • KT-46465 Deprecate and make open Number.toChar()
  • KT-49017 Forbid usages of super or super if in fact it accesses an abstract member
  • KT-56119 BinaryVersion.isCompatible binary compatibility is broken
  • KT-57369 K2/MPP: supertypes established in actual-classifiers from other source sets are not visible
  • KT-55469 [K2/N] equals(Double,Double) and equals(Boolean,Boolean) are not found
  • KT-57250 K2: the metadata is serialized for an expect class even if the actual class is present when compiling to klib
  • KT-56660 K2/MPP: compiler backend crash on invoking a K/Common constructor in K/JS code
  • KT-55055 K1: Builder inference violates upper bound
  • KT-57316 Initialize Enum.entries eagerly: avoid using invokedynamics
  • KT-57491 Kotlin synthetic parameter looks ordinary
  • KT-56846 K2: incorrect line & symbol numbers in exception reporting
  • KT-56368 K2/MPP: compiler backend crash on missing actual declaration
  • KT-57104 K2: false-positive conflicting inherited JVM declarations error despite use of @JvmName in another module
  • KT-56747 [K2/N] Return type for lambda: (Any) -> Any which returns Unit is different for K1 and K2 and return statement is missing with K2
  • KT-57211 K2: incorrect "error: an annotation argument must be a compile-time constant" on unsigned array in annotation argument
  • KT-57302 K2 fails with IllegalStateException on reading inherited property of Java enum
  • KT-57424 K2 IDE: "By now the annotations argument mapping should have been resolved" exception
  • KT-57241 K2 MPP: Actualization doesn't work for actual enum that has primary constructor with arguments
  • KT-57210 K2 MPP: Support of arguments with dynamic type
  • KT-57182 K2 MPP: Actualization doesn't work for nested objects
  • KT-56344 K2: Implement correct errors reporting of IrActualizer
  • KT-54405 K2 compiler allows val redeclaration
  • KT-54531 [K2] Uncaught Runtime exception is thrown instead of user friendly error messages with details in case -no-jdk option set to true
  • KT-56926 K2: incorrect line number generated for class constructor or method with default parameter when comment before
  • KT-56913 K2: Incorrect line numbers in overriden field getters and setters
  • KT-56982 K2: Incorrect line number start in when expression
  • KT-56720 K2: false positive MANY_IMPL_MEMBER_NOT_IMPLEMENTED in case of delegation in diamond inheritance
  • KT-57175 K2: false-positive INVALID_TYPE_OF_ANNOTATION_MEMBER on type aliases
  • KT-25694 Fix reporting of uninitialized parameter in default values of parameters
  • KT-57198 K2: false-positive type mismatch error on inherited raw-typed class with type parameters in upper bounds of other type parameters
  • KT-15470 Inconsistency: use-site 'set' target is a compilation error, use-site 'get' target is ok
  • KT-57179 FIR: preserve prefix increment behavior like in K1 by calling getter twice
  • KT-57405 K2. Function call ambiguity error when nullable String is passed to function with Spring @Nullable annotation in signature
  • KT-57284 K2: compiler codegen crash at property initialization in constructor after smartcast of dispatch receiver to indirectly derived type
  • KT-57221 K2: compiler FIR2IR crash on function's unavailable cached type parameter
  • KT-57036 Unresolved reference: with inferred type of class constructor with extension parameter
  • KT-56177 K2: FIR should not generate annotation on both property and parameter
  • KT-54990 NI: Type mismatch when encountering bounded type parameter and projections
  • KT-57065 K2: overload resolution ambiguity between type-aliased constructor and identically named function
  • KT-49653 Deprecate and remove Enum.declaringClass synthetic property
  • KT-57190 K2: false-positive unsafe call error on safe call on type-aliased nullable receiver in SAM-conversion
  • KT-57166 K2: false-positive val reassignment error when synthetic property with implicitly typed overridden getter is called from implicitly typed member that is declared earlier
  • KT-55828 [K2/N]: Fix test fails in OPT mode : Internal compiler error: no implementation found ... when building itable/vtable
  • KT-56169 False negative deprecation warning about future inference error with builder inference
  • KT-56657 K1/K2: inconsistent behavior in nullability mismatch (Guava hash set/map)
  • KT-57105 K2: compiler codegen crash at property initialization in constructor after smartcast
  • KT-56379 K2: build tests for the Kotlin standard library
  • KT-56079 K2: build YouTrack 2022.3
  • KT-57092 K2: false-positive multiple inherited implementations error
  • KT-56696 K2: Allow to access uninitialized member properties in non-inPlace lambdas in class initialization
  • KT-56354 K2/MPP: unresolved references to library entities
  • KT-57095 K2: false-positive lack of type arguments error on raw cast of Base<*> to Derived: Base<T?>
  • KT-56630 FIR: ClassCastException on compilation hierarchy with a raw type
  • KT-57171 K2: Implement bytecode tests
  • KT-57214 K2: compiler FIR crash on annotation usage before annotation class declaration
  • KT-57204 K2: callable reference to mutable property of inherited by delegation superinterface isn't properly resolved
  • KT-57195 K2: false-positive VAR_TYPE_MISMATCH_ON_OVERRIDE on changing property's platform type to non-nullable type when overriding
  • KT-56814 K2. PsiElement is null inside IrClass. As a result ClassBuilder defineClass gets null as origin
  • KT-54758 Deprecate ClassBuilderInterceptorExtension.interceptClassBuilderFactory and provide another method without dependency on K1
  • KT-57253 K2: clean up callable reference logic in FIR2IR
  • KT-56225 K2. "BackendException: Backend Internal error: Exception during IR lowering" error on incorrect constructor in inline class
  • KT-56769 K2. Annotation applicability is ignored during compilation when there's use-site @target
  • KT-56616 K2: cannot infer Java array type properly
  • KT-57247 K2: false-positive INVALID_TYPE_OF_ANNOTATION_MEMBER on type-aliased vararg property
  • KT-57206 K2: false-positive val reassignment error on synthetic property from generic class with overridden getter but not setter
  • KT-56519 K2: Compiler crash on a function reference on companion receiver that inherits from outer class
  • KT-56506 K1/K2 inconsistency: VAL_REASSIGNMENT on synthetic setter with different nullability
  • KT-56877 K2: false-positive UNRESOLVED_LABEL for labeled this-expression in contract description
  • KT-56863 K2: false-positive property initialization analysis errors after smartcast
  • KT-56864 K2: Unexpected behavior with default parameter inheritance and function reference
  • KT-56665 K2: false positive RECURSIVE_TYPEALIAS_EXPANSION
  • KT-53966 K2 does not support SAM conversions with condition into Java/Kotlin functional interfaces
  • KT-56659 FIR: Increment operator on object leads to exception from resolve
  • KT-56771 FIR: Increment operator on qualified expressions leads to exception from resolve
  • KT-56759 K2: False-positive UNRESOLVED_REFERENCE on labeled desctructuring declaration in LT mode
  • KT-56548 K2: false positive overload resolution ambiguity for Java record constructor
  • KT-56476 K2: false positive NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY at inline fun use-site
  • KT-56138 K2: Illegal conversion of lambda with parameters to ExtensionFunction expected type
  • KT-56448 K2: False-positive unsafe call due to incorrect inference of smartcasted type
  • KT-55966 K2: Not enough information to infer type variable K if smartcast is used
  • KT-57168 K2: compiler FIR2IR crash on synthetic property from generic class with overridden getter but not setter
  • KT-56876 K2: false-positive UNRESOLVED_REFERENCE for name of nested class in contract description
  • KT-57194 K2: overload resolution doesn't prioritize Double over Float
  • KT-57067 Warning about expect/aсtual in the same module doesn't take into account absence of 'actual' modifier
  • KT-56954 K2: function literals can be passed as arguments to parameters with kotlin.reflect function types
  • KT-55423 K2: Implement CONTRACT_NOT_ALLOWED
  • KT-56923 K2: no line number in bytecode when ASTORE exception in catch
  • KT-56829 K2: compiler FIR2IR crash on passing to function a callable reference to nested class's constructor with default arguments
  • KT-57029 Per-file caches fail on local inline function in an inline function
  • KT-57085 K2: @Suppress is sensitive to its argument's case
  • KT-57103 K1: AssertionError: Mismatching type arguments: 0 vs 1 + 0 when calling inline function with callable reference to generic synthetic property
  • KT-57033 Make KtClassLiteralExpression stub based
  • KT-57035 Make KtCollectionLiteralExpression stub based
  • KT-40857 Invalid parameterized types for extension function on parameterized receiver when javaParameters=true
  • KT-56154 Compiler backend crash on reference to Java synthetic property from generic class
  • KT-56692 StackOverflow in PrivateInlineFunctionsReturningAnonymousObjectsChecker
  • KT-55879 Modularized tests: fir.bench.language.version is used as API version, not language version
  • KT-51821 ClassCastException on anonymous fun interface implementation when unrelated vararg is used
  • KT-56820 K2: compiler FIR crash on Java field access after smartcast
  • KT-56579 [K2/N] IR actualizer crashed with K2 on expect annotation marked with @OptionalExpectation, without actual.
  • KT-56750 K2: "IllegalArgumentException: No argument for parameter VALUE_PARAMETER" when calling typealias method reference
  • KT-55614 K2: consider serializing static enum members (values/valueOf/entries) to match K1 behavior
  • KT-30507 Unsound smartcast if null assignment inside index place and plusAssign/minusAssign is used
  • KT-56646 K2: "IllegalStateException: No single implementation found for: FUN FAKE_OVERRIDE" when compiling a functional interface
  • KT-56334 K2: can't call expected function with default arguments
  • KT-56514 K2 should report ACTUAL_TYPE_ALIAS_NOT_TO_CLASS
  • KT-56522 K2 should report ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS
  • KT-56910 Exception during IR lowering: Cannot determine lineNumber of element FUN name:cancelProgress
  • KT-56542 K2: false positive TOO_MANY_ARGUMENTS in VarHandle.set call
  • KT-56861 FIR: test FirPluginBlackBoxCodegenTestGenerated.testClassWithAllPropertiesConstructor is failing with runtime error
  • KT-56234 K2: "ISE: Expected value generated with NEW" with inline property setter and noinline parameter
  • KT-56722 K2: cannot resolve component call after smart cast
  • KT-56875 K2: isOperator flag is incorrectly set for java methods
  • KT-56714 K2: wrong argument mapping in DSL
  • KT-56723 K2: lambda accidentally returns Unit? instead of Unit
  • KT-55877 K2: Secondary constructor without call to parent: no frontend error, ISE: "Null argument in ExpressionCodegen for parameter VALUE_PARAMETER"
  • KT-56386 K2: Make possible to access Java field which is shadowed by Kotlin invisible property`
  • KT-56862 Compatibility problem with using Kotlin in Intellij 223 or higher because of missing particular trove4j dependency
  • KT-55088 JS, Native compilation fail with internal error on SomeEnum.entries reference when SomeEnum is from klib compiled with disabled EnumEntries language feature
  • KT-40904 No warning when declare actual in the same target (module) as expect
  • KT-56707 K2: Unexpected TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM where only getter type specified explicitly
  • KT-56508 Context receivers: Internal compiler error when compiling code containing a class with a secondary constructor
  • KT-56706 K2: False-positive ARGUMENT_TYPE_MISMATCH for generic nested types from library
  • KT-56505 K2: Missing NO_EXPLICIT_VISIBILITY_IN_API_MODE errors on various declarations
  • KT-56682 K2: False-negative UNINITIALIZED_VARIABLE on access to delegated property
  • KT-56678 K2: False-negative UNINITIALIZED_VARIABLE if corresponding variable has initializer
  • KT-56612 K2: false positive NO_TYPE_ARGUMENTS_ON_RHS on raw cast with type alias based argument
  • KT-56445 K2: False-positive unresolved reference to callable reference to function with default argument
  • KT-55024 K2: overload resolution ambiguity/unresolved reference if variable is smart-casted to an invisible internal class
  • KT-55722 K2: Incorrect OVERLOAD_RESOLUTION_AMBIGUITY with smart cast on dispatch receiver (simple)
  • KT-56563 Inference within if stops working when changing expected type from Any to a different type
  • KT-55936 K2: Support proper resolution of callable references as last statements in lambda
  • KT-45989 FIR: wrong callable reference type inferred
  • KT-55169 K2: False-negative NO_ELSE_IN_WHEN
  • KT-55932 K2. No compiler error when elvis operator returns not matched type
  • KT-53987 K2: False negative "TYPE_MISMATCH" with if statement return
  • KT-41038 NI: TYPE_MISMATCH when passing constructor of nested class
  • KT-42449 Can not resolve property for value of type Any even after casting type to a type with star projection
  • KT-52934 StackOverflow from PseudocodeTraverserKt.collectDataFromSubgraph with if inside finally
  • KT-52860 StackOverflowError when casting involving recursive generics and star projection
  • KT-52424 ClassCastException: Wrong smartcast to Nothing? with if-else in nullable lambda parameter
  • KT-52262 TYPE_MISMATCH: Nonnull smartcasting fails with non-exhaustive when
  • KT-52502 Forbid extension calls on inline functional parameters
  • KT-51045 SETTER_PROJECTED_OUT: Star projected nullable property can't be set to null
  • KT-40480 [FIR] Support hasStableParameterName from metadata
  • KT-50134 NI: Type inference regression in java streams groupingBy
  • KT-50160 False positive "USELESS_CAST" caused by indexed access operator
  • KT-42715 Unable to use implicit lambda param it for overloaded methods
  • KT-49045 False positive USELESS_CAST in generic type with nullable type parameter
  • KT-49024 AssertionError: Variance conflict: type parameter variance 'out' and projection kind 'in' cannot be combined
  • KT-48975 Type mismatch: inferred type is X but Nothing! was expected with the AssertJ latest version
  • KT-47870 INVISIBLE_MEMBER: Kotlin class can't access protected annotation defined in Java parent class
  • KT-47495 ReenteringLazyValueComputationException on invalid code
  • KT-47490 Missed diagnostic for incorrect callable reference in finally
  • KT-47484 "Recursion detected in a lazy value under LockBasedStorageManager" on invalid code
  • KT-46301 Combining branches with sealed interfaces in when breaks type inference
  • KT-44392 False negative: redundant nullability/not null check on cast with as operator
  • KT-43936 Recursion detected on input: ANNOTATION_ENTRY with annotation on star-imported nested class
  • KT-43846 No smart cast when returning function closures with captured smart-cast variable
  • KT-43603 False positive USELESS_CAST leads to TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM on "when" with smart cast and extension property
  • KT-43553 JVM / IR: "AssertionError: Unbound symbols not allowed" caused by annotation class with TYPE target
  • KT-42169 False negative CAST_NEVER_SUCCEEDS for incompatible types with generic parameter and star projection
  • KT-42136 NI: False positive [USELESS_CAST] when list serves to create a mutable list
  • KT-41721 SAM conversion fails on varargs with type approximated to Nothing
  • KT-38288 Unresolved reference for type parameter upper bound of nested class when outer class extends it with star projected type argument
  • KT-37490 NULL_FOR_NONNULL_TYPE: "Null can not be a value of a non-null type Nothing" when null is passed to nullable argument of type projected method
  • KT-37365 NPE from ReflectionReferencesGenerator.generateCallableReference with inner class function reference and wrong parenthesis
  • KT-36958 NI: missed unresolved on parenthesized callable reference passing through call (back-ends throw an exception)
  • KT-30756 No smartcast if elvis operator as a smartcast source in while or do-while is used as the last statement
  • KT-24737 Report an error on invalid this-expression with angle brackets on left-hand side of a callable reference
  • KT-21463 Compiler doesn't take into accout a type parameter upper bound if a corresponding type argument is in projection
  • KT-6822 Smart cast doesn't work inside local returned expression in lambda
  • KT-55840 Inconsistency between members of enums in bytecode between FE 1.0 + JVM IR and FIR + JVM IR
  • KT-47815 JVM: "Recursion detected in a lazy value under LockBasedStorageManager" when trying to inherit interface from a class with non-trivial function
  • KT-17817 No error reported on invalid LHS for class literal
  • KT-47373 Missed diagnostics on/after non-null assertion (!!) on generic class class use with class literal
  • KT-51143 Wrong Unit-requiring at if/when branch with stub types
  • KT-53671 False-positive diagnostic reported on OptIn annotation import from root package
  • KT-53494 Mistaken type inference in compound 'if' expression with nullability check and covariant type
  • KT-28668 "AssertionError: Unrelated types in SAM conversion for index variable" if lambda argument of '[...]' in LHS of augmented assignment is used as an implementation for different SAM interfaces
  • KT-55931 Inference for callable reference inside synthetic calls for if/when/try/etc stops working when brought into lambda for a call
  • KT-20223 Inline access check ignores operator calls to invoke()
  • KT-54478 @NoInfer causes CONFLICTING_OVERLOADS
  • KT-56472 K2: Add stack of all FIR elements to CheckerContext
  • KT-41126 [FIR] Inconsistency of a compiler behaviour at init block for an enum entry with and without a qualifier name
  • KT-54931 Annotations defined in nested classes cannot be instantiated directly
  • KT-52338 "IncompatibleClassChangeError: Expected non-static field" with Kotlin class with same-named companion object property as base Java class field
  • KT-24901 No smart cast for when with early return
  • KT-53086 "Cannot access '' before superclass constructor has been called" with inner class secondary constructor
  • KT-55137 Callable references with conversion are incorrectly allowed to be promoted to KFunction
  • KT-30497 EXACTLY_ONCE contract doesn't work in a function with vararg parameter
  • KT-47074 Front-end Internal error: Failed to analyze declaration State / java.lang.IllegalStateException: Should not be called! when try to add Parcelize
  • KT-24503 Return-as-expression is allowed as this/super constructor parameter
  • KT-55379 False positive NO_ELSE_IN_WHEN with smartcast to Boolean
  • KT-47750 False positive NO_ELSE_IN_WHEN in presence of smartcast to sealed interface
  • KT-53819 False positive UNINITIALIZED_VARIABLE with secondary constructor and custom property getter in local class
  • KT-56457 JVM: Enum.entries are not annotated with @NotNull
  • KT-56072 K2. "IllegalStateException: Fir2IrSimpleFunctionSymbol for is already bound" when trying to access java synthetic property of inherited class
  • KT-50082 Kotlin non-overriding property of subclass doesn't shadow same-named Java field from base class
  • KT-55822 False positive ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED with raw types and mixed overridden members
  • KT-55666 K2: label on local function is rejected: "Target label does not denote a function"
  • KT-56283 False-positive INVISIBLE_MEMBER on overridden member of more specific type after smart cast
  • KT-51969 [FIR] Compilation for expect value class fails with "Fir2IrSimpleFunctionSymbol for [declaration] is already bound"
  • KT-56329 K2: compiler backend crash on two expected functions with similar signatures
  • KT-56361 K2/MPP: receiver isn't available in lambda literals with receiver
  • KT-55295 K2/MPP: JS build functionality
  • KT-55909 [K2/N] IndexOutOfBoundsException for a reference to a function defined in companion object superclass
  • KT-55664 K2: eliminate ClassId.isSame call from FirClass.isSubclassOf
  • KT-56353 K2. False negative "Unresolved reference" in default value of secondary constructor's parameter
  • KT-56381 K2: Function type kind not extracted from lambda literal in generic call
  • KT-55747 K2. "Convention for 'mod' is forbidden. Use 'rem'" error is missing
  • KT-56104 Unnecessary inner classes attributes in class files for subclasses
  • KT-55570 K2: ACTUAL_WITHOUT_EXPECT error is not reported on a simple actual class
  • KT-56176 [K2/N] "IllegalStateException: actual type is kotlin.Int, expected kotlin.Long" when expected type uses typealias
  • KT-56229 K2: IllegalStateException (already bound) for triangle-like dependencies scheme with MPP scenario
  • KT-56199 K2 + MPP + kotlinx.serialization: java.lang.VerifyError: Bad type on operand stack in aaload
  • KT-56212 K2: Exception when compiling extension function declaration with illegally chained type parameter receiver
  • KT-55503 K2: "Argument type mismatch" caused by using the wrong "this"
  • KT-56050 K2: inconsistency regarding visibility of synthetic properties with protected getter and public setter
  • KT-49663 FIR: Support @kotlin.jvm.PurelyImplements for java collections
  • KT-55468 [K2/N] Crash with debuginfo caused by changed tree using IMPLICIT_COERCION_TO_UNIT
  • KT-56269 [K2/N] Don't test "Tailrec is not allowed on open members" in K2
  • KT-54647 K2: Function call with Lambda on LHS of assignment leads to KotlinExceptionWithAttachments: FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtFunctionLiteral
  • KT-54648 K2: Function call on left side of erroneous assignment isn't resolved
  • KT-55699 K2. False Negative "Type parameter T is not an expression"
  • KT-56132 Restore 'JvmBackendContext' constructor signature for compatibility
  • KT-55973 K2: Exception from UnusedChecker on an unused destructuring
  • KT-56275 K2 IDE: Missed error for enum super type
  • KT-54775 K2. "IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImpl " exception on incorrect code
  • KT-55528 K2: CFA for property initialization analysis is not run for class initialization graphs
  • KT-54410 K2: Deprecation warning instead of "this declaration is only available since Kotlin X" when language version in project are below required to use language feature
  • KT-55186 K2: No compilation error on calling exception without constructor
  • KT-36776 Treat special constructions (if, when, try) as a usual calls when there is expected type
  • KT-50947 False negative: FE 1.0 doesn't report type variance conflict error on an inner type
  • KT-39041 Collection literals should not be allowed inside annotation classes
  • KT-54694 Consider enabling BooleanElvisBoundSmartCasts in K1 or K2
  • KT-54587 K2. CCE on compilation when some operator fun is needed and it is implemented as an extension function for another class
  • KT-52774 Resolve unqualified enum constants based on expected type

Docs & Examples

  • KT-53643 Update coding style conventions to include rangeUntil operator
  • KT-57902 Create migration tutorial from kotlin-js to kotlin-multiplatform gradle plugin
  • KT-58381 [Docs][Libraries] Document Path.createParentDirectories

IDE

Performance Improvements

  • KTIJ-23501 Make main run configuration detection lighter
  • KT-56613 Reduce memory consumption of light classes

Fixes

  • KTIJ-25855 Infinite "Analyzing..." on .kt files from native source-set
  • KTIJ-25448 When project JDK is less than one defines in jvmToolchain block run with Idea fails with has been compiled by a more recent version of the Java Runtime
  • KTIJ-25673 Temporarily switch off adding jvmToolchain to new/converted Kotlin projects
  • KTIJ-25719 K/Wasm: Fix import of wasm projects with Kotlin 1.9.0
  • KTIJ-24136 Files with actual declarations are not highlighted in kotlinx.coroutines project
  • KTIJ-24390 Kotlin assignment plugin: Imports are not recognized in build logic .kt files for Gradle build
  • KTIJ-24695 Default Kotlin project can not be synced on Mac M1
  • KTIJ-25302 Wrong variant of serialization plugins is passed to JPS build if the project was imported from Gradle
  • KTIJ-25416 "Add import" works incorrectly without formatting the code for root package
  • KT-57849 K2: contract violation due to implicit java type with annotation
  • KTIJ-24666 Store annotation arguments in cls
  • KTIJ-24667 Store constant expressions in cls
  • KTIJ-24665 Store contracts in cls
  • KTIJ-24543 An option to configure kotlin with JavaScript is available at Tools -> Kotlin menu
  • KT-57857 LC: FakeFileForLightClass: Read access is allowed from inside read-action
  • KTIJ-25172 Store flexible types in cls
  • KT-57578 SLC: incorrect upper bound wildcards
  • KT-57917 Analysis API: decompiled value parameters are not resolved
  • KT-56046 K2 IDE: Avoid redundant resolve from annotations
  • KT-57569 SLC: incorrect visibility for lateinit var with private setter
  • KT-57547 SLC: non-last vararg value parameter type mismatch
  • KTIJ-25034 K2 IDE: unresolved import treated as unused
  • KT-57548 SLC: incorrect inheritance list for Comparator
  • KT-56843 Light classes: certain kinds of constant values in property initializers aren't supported
  • KTIJ-24676 Enum.entries is red if it's called on enum class from JDK or module without stdlib in dependencies
  • KT-56868 SLC: IncorrectOperationException on enum annotation arguments that are not valid Java identifiers
  • KTIJ-25048 K2: IDE K2: "Unexpected scope FirNameAwareCompositeScope"
  • KTIJ-24895 K2 IDE: "Invalid FirDeclarationOrigin Synthetic" exception for synthetic "WHEN_CALL" function during highlighting
  • KT-56833 Light classes: Accessors to lateinit properties don't have @NotNull annotations
  • KTIJ-24768 IDE K2: "IllegalArgumentException Failed requirement at FirJvmTypeMapper"
  • KT-56845 Light classes: Overridden property accessors don't have @Override annotation
  • KT-56441 K2 IDE: reference from Java to ObjectName.INSTANCE of private object is red in IDE, but compiled successfully
  • KT-56891 Symbol Classes: DefaultImpls classes contain methods without default implementation
  • KTIJ-24742 K2 IDE: InvalidFirElementTypeException
  • KTIJ-24067 K2 IDE: references from .java source to top-level Kotlin members from dependencies are unresolved
  • KT-56842 Light Classes: Primitive-backed context receiver parameters shouldn't be marked with @NotNull
  • KT-56835 Light classes: Underlying fields for delegated properties should be marked as final and @NotNull
  • KT-56840 Light Classes: Inline classes backed by Java primitives shouldn't be marked with @NotNull
  • KT-56728 K2 IDE. False positive not applicable to for kotlin annotation with target annotating Java element
  • KTIJ-24610 K2: Exception from import optimizer: "Unexpected qualifier '10' of type 'KtConstantExpression`"
  • KTIJ-24476 Make application services to be classes instead of objects
  • KTIJ-24574 K2 IDE: "No fir element was found for" from inspections
  • KT-55815 SLC: Keep annotations on type when converting to PsiType
  • KT-55669 K2 IDE: INRE from light classes
  • KTIJ-24530 K2 IDE: status resolution fails with CCE
  • KTIJ-23937 K2: No 'JavaSymbolProvider' in array owner: Source session for module
  • KTIJ-24087 K2: Type parameter bounds found not analyzed during call inference
  • KTIJ-24344 K2 IDE: Object reference incorrectly resolves to 'invoke' operator function
  • KTIJ-24107 K2 IDE: Unresolved call for qualified companion invoke()
  • KTIJ-24385 K2 IDE: KtCallExpression(KtCallExpression) should always resolve to a KtCallInfo

IDE. Code Style, Formatting

  • KTIJ-24928 Organize imports puts imports in one line if Formatter option is used

IDE. Completion

  • KTIJ-25108 K2 IDE: Code completion in Java context for Kotlin top level members: "Slow operations are prohibited on EDT" through KtAnalysisScopeProviderImpl.canBeAnalysed()
  • KTIJ-24989 K2 IDE: completion should show information about expanded types for type alias parameters
  • KTIJ-24992 K2 IDE: completion shows return type with incorrect nullability when type is stub type
  • KTIJ-24948 K2 IDE: "ERROR: class org.jetbrains.kotlin.fir.types.jvm.FirJavaTypeRef cannot be cast to class org.jetbrains.kotlin.fir.types.FirResolvedTypeRef" during completion of inner classes' constructors
  • KTIJ-24256 K2 IDE: Angle brackets are missing in completion of function with type parameters
  • KTIJ-24083 K2, Completion: Exception on adding a type parameter receiver to a function
  • KTIJ-23963 K2 IDE: Completion in Kotlin suggests overriding a Java field; fails with "Unknown member to override"
  • KTIJ-22359 K2 IDE: no completion for Java synthetic properties from super class
  • KTIJ-23880 Completion doesn't work for Java synthetic property reference

IDE. Decompiler, Indexing, Stubs

  • KTIJ-25152 Kotlin Bytecode tool window: ISE Symbol with IrSimpleFunctionSymbolImpl is unbound on actual callable with argument in mpp project with IR
  • KTIJ-24475 Migrate kotlin index extension implementation from object to classes
  • KTIJ-24335 Kotlin Bytecode tool window: NoSuchElementException caused by duplicate Boolean type descriptor in JvmSharedVariablesManager.getProvider
  • KTIJ-24206 Kotlin Bytecode tool window: "Unhandled intrinsic in ExpressionCodegen" when compiling a source file with an expect function
  • KTIJ-15764 IR by default in Kotlin bytecode tool window

IDE. Gradle Integration

  • KT-59034 MPP build failed with "Factory type is not known for plugin variants" in kt-231-*
  • KT-56671 KGP import: K/N distribution libraries should'n be resolved for IDE by KGP with package names
  • KTIJ-24573 KGP-based import: commonized cinterop libraries don't include source set targets, unsupported by host
  • KTIJ-25757 KJS: 1.9.0-Beta fails to run when running in Android Studio
  • KTIJ-24701 KGP import: JVM+Android shared source sets don't receive a correct default stdlib dependency
  • KTIJ-24745 IDE sync of kotlin("js") projects with js(BOTH) set fails with exception because of the new MPP IDE import
  • KTIJ-24567 Enable KGP dependency resolution by default
  • KTIJ-24729 KotlinMPPGradleProjectResolverKt must not be requested from main classloader on project import
  • KTIJ-11978 IDE does not recognize the sources JAR of a published to mavenLocal MPP library

IDE. Inspections and Intentions

  • KTIJ-24684 K2 IDE: 'Redundant qualifier name' false positive in type specification in extension function
  • KTIJ-24662 K2 IDE: False positive "Redundant qualifier name" inspection for nested class from base interface
  • KTIJ-25232 K2 IDE: "Redundant qualifier name" inspection false positive with object referenced via property
  • KTIJ-25447 Make Enum.entries and RangeUntil inspections don't check for opt-in when APIs become stable
  • KTIJ-23588 K2 IDE. False positive unused import directive for extension function of an object
  • KTIJ-25112 K2 IDE: False positive "Actual value of parameter 'b' is always 'null'"
  • KTIJ-24485 Explicit API mode: false positive "redundant 'public' modifier"
  • KTIJ-24453 Unsuccessfull resolve error from OperatorToFunctionIntention on recursive property declaration

IDE. JS

  • KT-58427 Kotlin Gradle Plugin ignores language version value for Kotlin/JS sources

IDE. Libraries

  • KTIJ-25096 K2 IDE: Library sessions are garbage collected between performance test runs with enabled library caches
  • KTIJ-24413 Cannot navigate to enum of the Kotlin library via entries call

IDE. Misc

  • KT-58763 K2 IDE: NoSuchMethodError: KtPsiFactory$Companion.contextual
  • KTIJ-25304 Move IDE Extension Points from compiler.xml to the IDE repository
  • KTIJ-24893 K2 IDE: Serializable plugin causes infinite resolve recursion

IDE. Multiplatform

  • KTIJ-25859 MPP: Library wizard with android target uses deprecated androidTest source set
  • KTIJ-25479 Compiler options is not imported correctly for js source sets
  • KTIJ-24011 MPP: Native tests are missing run gutters

IDE. Navigation

  • KTIJ-23073 K2 IDE: Navigation doesn't work from library sources to another library sources
  • KTIJ-24819 K2 IDE: support compiler reference index
  • KTIJ-24697 K2 IDE: handling PresistenceMap in LLFirSessionsCache takes a lot of time
  • KTIJ-24373 K2 IDE: Qualified generic type is not fully resolved

IDE. Run Configurations

  • KTIJ-25046 K2 IDE. Junit5 test method with internal modifier can't be launched using gutter

IDE. Wizards

  • KTIJ-25932 Turn off the adding new targets in Kotlin Multiplatform Wizard
  • KTIJ-26022 Project module not selected in a second page of "New Project" window in KMP wizard
  • KTIJ-24834 Set default for "kotlin.mpp.experimental" flag for K/JS features to true

JavaScript

New Features

  • KT-12784 JS: generate ES2015 compatible modules
  • KT-48154 KJS / IR: Inline members support for external types
  • KT-51582 FIR: support basic compile-time evaluation for JS backend

Fixes

  • KT-43490 KJS / IR: "Cannot set property message of Error which has only a getter" caused by class that is child of Throwable
  • KT-57690 K2/MPP: compileProductionLibraryKotlinJs fails with Module has a reference to symbol kotlin/arrayOf|3204918726020768747[0]. Neither the module itself nor its dependencies contain such declaration
  • KT-56911 K2/MPP: Compile K/JS fails for @Serializable annotation with class IrDeclarationOrigin$GeneratedByPlugin cannot be cast to class IrDeclarationOriginImpl
  • KT-56950 Support KLIB IC with K2
  • KT-58570 KJS: ES6 classes + PL throw java.lang.NullPointerException
  • KT-58835 K2/JS: Fix incremental compilation klib tests
  • KT-58794 KJS / K2: Assertion failed with Space build
  • KT-51706 Partial linkage: in case of absent symbol referred from declaration Native compiler is successful, JavaScript fails
  • KT-54452 Kotlin/JS libraries with "joined" legacy+IR content: publish IR sources for them
  • KT-53180 Kotlin/JS: generated TypeScript constructor can have "TS1016: A required parameter cannot follow an optional parameter" error with certain properties order
  • KT-39650 KJS IR: provide a way to enable ES2015 class generation
  • KT-57990 KJS/IR. Invalid super call for final parent methods (ES classes)
  • KT-58246 KJS: ES15 classses — duplicated code in class constructor
  • KT-57479 KJS: Add an annotation for a function parameter which checks that a passed argument has an external type
  • KT-58201 Unknown statement type when building with ES modules
  • KT-30810 values and valueOf are miscompiled for external enum classes
  • KT-57024 Ugly TypeScript definitions for declarations with both @JsExport and @Serializable
  • KT-56237 KJS + IC: Adding or removing interface default implementation doesn't invalidate children and doesn't update JS code
  • KT-54638 K2/JS: Fir2ir - implement and use JS-specific mangler
  • KT-54028 Native / JS: Using private object implementing a sealed interface causes a linker error
  • KT-57423 KJS: Add an annotation for external interfaces which allows to be inherited only by other external interfaces, classes or objects
  • KT-57711 K2: Native & JS fail to compile a KLIB that uses const val from a dependency KLIB
  • KT-57078 JS IC: Unbound symbol left in SymbolTable in JsIr[ES6]InvalidationTestGenerated.testBreakKlibBinaryCompatibilityWithVariance tests
  • KT-57254 Deprecate external enum declarations
  • KT-57002 KJS: "JsParserException: missing name after . operator" when a js(...) block contains an interpolated constant
  • KT-56961 JS IR: serializedIrFileFingerprints in klib manifest has a wrong format
  • KT-56282 KJS: Invalidate incremental cache in case of compiler internal errors

KMM Plugin

  • KT-55402 "Framework not found SQLCipher": after selection of "Regular framework" as "iOS framework distribution" and installing SqlCihper through CocoaPods
  • KT-55988 KN debugger in KMM plugin for Android Studio can't recognize the source code

Language Design

New Features

  • KT-48872 Provide modern and performant replacement for Enum.values()
  • KT-15613 Introduce special syntax for the until operator
  • KT-4107 Design and implement a solution for toString, equals and hashCode on objects (data object)

Fixes

  • KT-28850 Prohibit protected visibility in final expected classes
  • KT-39362 Expect fun interface must have actual fun interface counterpart
  • KT-48994 Prohibit type unsound java fields assignments
  • KT-58791 Prolongate PROGRESSION_CHANGE_RESOLVE diagnostics to 2.x
  • KT-53778 Release stdlib API about "rangeUntil" operator in 1.9
  • KT-53653 Export Enum.entries to Objective-C and Swift
  • KT-55177 Deprecate declaration of expect and actual counterparts of same class in one module
  • KT-49110 Prohibit access to members of companion of enum class from initializers of entries of this enum
  • KT-47986 Forbid implicit inferring a type variable into an upper bound in the builder inference context
  • KT-57395 Delay ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound feature to LV 2.0
  • KT-55082 Bump KLib version for Enum.entries
  • KT-49264 Deprecate infix function calls of functions named "suspend" with dangling function literal

Libraries

New Features

  • KT-58046 Stabilize remaining kotlin.time API: time sources, time marks, measureTime
  • KT-58074 Stabilization of Atomics API in K/N
  • KT-55268 Mutiplatform @Volatile annotation
  • KT-51908 Provide common function for getting regex capture group by name
  • KT-53263 Path.createParentDirectories
  • KT-7637 Add toString() to standard delegates classes (NotNullVar, LazyVal, BlockingLazyVal, ...)
  • KT-40728 Add AssertionError constructor with cause: Throwable parameter to common stdlib
  • KT-57298 Avoid FileAlreadyExistsException from Path.createParentDirectories in case of parent is symlink

Performance Improvements

  • KT-54739 build method in collection builders (Set, Map, List) should return a single instance for empty collections
  • KT-42589 Provide common listOf(value) overload to avoid allocation of the vararg
  • KT-55091 Stdlib: Sequence.toSet() and Sequence.toList() may create the collection twice
  • KT-57617 Optimize ReversedListReadOnly iterator
  • KT-57607 KJS: Bad performance for ArrayList.addAll

Fixes

  • KT-58841 Serialization: NPE when obtaining a serializer of a sealed base class with a self-referencing property
  • KT-57728 Explicitly specify level of stability of programmatically-accessible interoperability API
  • KT-58985 Update KClass.isData KDoc
  • KT-57762 Introduce HexFormat for formatting and parsing hexadecimals
  • KT-55612 Stabilize experimental API for 1.9
  • KT-58548 Stabilize standard library API for Enum.entries
  • KT-56400 Disable compilation of atomicfu-runtime with legacy JS backend
  • KT-58276 Deprecate redundant public declarations in kotlin.native.concurrent
  • KT-35973 Extract org.w3c declarations from stdlib-js
  • KT-58073 JS/Legacy compiler blocks compilation of kotlinx.atomicfu with K2
  • KT-57317 Repack EnumEntries from stdlib into the compiler
  • KT-54702 Native: mark Worker and related APIs as obsolete
  • KT-55610 Deprecate kotlin.jvm.Volatile annotation in platforms except JVM
  • KT-57404 Native: Support AnnotationTarget.TYPE_PARAMETER
  • KT-57318 Change EnumEntries stdlib implementation to be eager
  • KT-57137 Native: Consider removing ArrayAsList
  • KT-56661 Missing EnumEntries-related bytecode in kotlin-stdlib-1.9.255-SNAPSHOT.jar
  • KT-51579 PlatformImplementations loading is not compatible with graalvm native-image --no-fallback

Native

  • KT-54098 Decommission and remove 'enableEndorsedLibs' flag from Gradle setup
  • KT-52594 Provide Alpha support for Native in the K2 platform
  • KT-56071 K2/MPP: Native build functionality
  • KT-56218 [K2/N] Receiver annotations for properties are not serialized
  • KT-56326 [K2/N] RemoveRedundantCallsToStaticInitializersPhase removes important static initializer
  • KT-27002 lateinit intrinsics frontend checkers aren't applied on Native

Native. Build Infrastructure

  • KT-58160 Native: performance build configuration fails with NoSuchMethodError: 'boolean kotlinx.coroutines.CompletableDeferredKt.completeWith(kotlinx.coroutines.CompletableDeferred, java.lang.Object)'

Native. C and ObjC Import

  • KT-54610 Kotlin Native can't call objc_direct functions
  • KT-57918 [K2/N] Support typealiases in FirClassSymbol<*>.selfOrAnySuperClass()
  • KT-58651 Native c-interop tool generates broken @Deprecated annotations
  • KT-57541 Compilation fails without explicit cast on cinterop code
  • KT-54805 KMP ios memory leak when using CA Layer
  • KT-57490 [K/N] Duplicate package names for cinterop klibs with objc protocols fails to link

Native. ObjC Export

  • KT-58839 K/N: Exception during HiddenFromObjC marked class extension function compiling
  • KT-56464 K/N: Allow HiddenFromObjC for classes
  • KT-57507 K2: Set of Objc exported declarations is different between K1 and K2

Native. Runtime

  • KT-58441 Kotlin/Native: @ObjCAction @ObjCOutlet generate bridges without switching state
  • KT-57091 Align Native and Java file/class initialization behavior

Native. Runtime. Memory

  • KT-56233 [Kotlin/Native] Crash when enum values are accessed in multiple threads
  • KT-58130 Implement preview of custom allocator for Kotlin/Native
  • KT-56402 Native: if a Kotlin peer for an Obj-C object is created on the main thread, then Kotlin runtime should run objc_release for it on the main thread

Native. Stdlib

  • KT-57344 Try to remove strange .equals overload on primitive types
  • KT-57592 Native: Remove the default parameter value for AtomicLong constructor

Native. Testing

  • KT-57349 Enable more K2 MPP codegen/box tests for Kotlin/Native
  • KT-57026 K2: Fix Native test infrastructure for MPP

Reflection

  • KT-54833 Reflection: Incorrect behaviour for Field.kotlinProperty function in companion objects
  • KT-56650 ArrayStoreException from InlineClassAwareCaller.call with an array of inline class
  • KT-56093 Metaspace leak in a Gradle plugin built with Kotlin 1.8.0
  • KT-55937 Optimize implementation of kotlinFunction/kotlinProperty

Specification

  • KT-58932 Specify the priority between candidates with type and value receivers when doing callable reference inference
  • KT-54254 Specify that an annotation type cannot have itself as a nested element
  • KT-53427 Specify @SubclassOptInRequired
  • KT-53323 Add Enum.entries to Kotlin specification, KEEP-283
  • KT-54255 Specify extension receivers are effectively noinline
  • KT-53646 Incorporate rangeUntil (..<) operator into specification

Tools. CLI

  • KT-57495 Add JVM target bytecode version 20
  • KT-57154 Incorrect version of JDK is provided through CoreJrtFs
  • KT-56209 Add CLI support for HMPP in K2
  • KT-58351 Confusing error message when using removed -Xjvm-default mode value
  • KT-57535 K2: Kotlin command line compiler doesn't see class files on the class path in 2.0
  • KT-57644 K2: Prohibit passing HMPP module structure with CLI arguments to metadata compiler
  • KT-56351 Reduce memory usage spent on compiler settings

Tools. Commonizer

  • KT-57796 NoSuchFileException in :module-B:commonizeCInterop with Kotlin 1.8.20
  • KT-56207 Investigate failing tests in ClassifierCommonizationFromSourcesTest

Tools. Compiler Plugins

Fixes

  • KT-57821 K2: Compiler calls declaration generation plugins twice for classes in the common source set
  • KT-57406 FIR Compiler plugins: Assignment plugin incorrectly recognizes qualified names of annotations
  • KT-57626 K2: SERIALIZER_NOT_FOUND for serializable class from another module
  • KT-57400 FIR Compiler Plugins: annotated predicate does not work with Java classes
  • KT-57140 K2: Implement backwards compatibility for FirFunctionTypeKindExtension
  • KT-56685 K2: ArrayIndexOfBound during session creation if compiler plugins are enabled
  • KT-55375 Remove "legacy" mode of jvm-abi-gen plugin
  • KT-53470 FIR: pass MemberGenerationContext to all methods of FirDeclarationGenerationExtension
  • KT-51092 Lombok @Value causes IllegalAccessError
  • KT-55885 K2 plugin API: Backend-only declarations are not visible from other modules
  • KT-55584 K2: Improve registration of session components from compiler plugins
  • KT-55843 FIR Plugin API: metaAnnotated predicate returns meta-annotation itself as well
  • KT-53874 Optimize checking for plugin applicability and redesign DeclarationPredicates

Tools. Compiler plugins. Serialization

Fixes

  • KT-58954 Serialization: NPE at run time when accessing a delegating property of a deserialized object
  • KT-56537 Serialization: Presence of (transient) delegated field in the serialized class breaks deserialization
  • KT-58918 Serialization: NPE at run time obtaining a serializer for a sealed class with a generic self-referencing property
  • KT-59113 Serialization: NPE at run time when accessing a delegating property of a deserialized object
  • KT-57647 Serialization: "IllegalAccessError: Update to static final field" caused by serializable value class
  • KT-57704 K2/serialization: false-positive SERIALIZER_NOT_FOUND when compiling against 1.7.20 binary with enum class
  • KT-57083 K2/serialization: can't resolve serializers for classes from other modules
  • KT-56480 K2: false-positive warning about incompatible serializer type when using type aliases
  • KT-56594 K2/serialization reports SERIALIZER_NOT_FOUND over aliased String or primitive types
  • KT-56553 Support 'serialization plugin intrinsics' feature in K2
  • KT-56244 kotlinx.serialization compiler intrinsic does not work with encodeToString function in 1.8.0

Tools. Daemon

  • KT-50846 Remove "new" Kotlin daemon from codebase

Tools. Gradle

New Features

  • KT-56971 Expose jvmTargetValidationMode property in KotlinCompile Gradle task
  • KT-57159 Add project level compiler options for Kotlin/JVM plugin

Performance Improvements

  • KT-57052 Gradle: Stop using exceptions for flow control
  • KT-57757 Reduce classpath snapshotter memory consumption
  • KT-56052 Implement an in-memory wrapper for PersistentHashMap to avoid applying changes to IC caches before successful compilation

Fixes

  • KT-55624 Update KGP integration tests that use removed in Gradle 8 getClassifier method
  • KT-59589 Gradle: 'java.lang.NoClassDefFoundError: com/gradle/scan/plugin/BuildScanExtension' on 1.9.0-RC when applying Enterprise Plugin from initscript
  • KT-59063 Explicit API mode broken in Kotlin 1.9.0-Beta
  • KT-57653 Explicit API mode is not enabled when free compiler arguments are specified in Gradle project
  • KT-59256 [1.9.0-Beta] ServiceLoader does not pick up classes defined in the same project
  • KT-58662 Gradle 8.1 + Configuration Cache: custom values data is missing from build report
  • KT-58280 org.jetbrains.kotlin.jvm Gradle plugin contributes build directories to the test compile classpath
  • KT-59191 Actual compilation failure exception might be hidden in the case of a Kotlin daemon crash
  • KT-56211 Improve Kotlin build reports
  • KT-57767 Gradle: "ZipException: invalid entry size" with 1.8.20
  • KT-57736 K2: Introduce an easy way to try K2 compiler in Gradle user projects
  • KT-59056 FreeCompilerArgs options added using 'subprojects' extension override module-level freeCompilerArgs options
  • KT-55740 Gradle 8: Listener registration using Gradle.addBuildListener() has been deprecated
  • KT-37652 Support explicit mode for Android projects
  • KT-58251 Build Statistics. Kotlin-specific tags are missing in build scans if projects use Gradle 8+
  • KT-57224 Add an indicator into build metrics report to show whether K1 or K2 compiler was used to compile the code
  • KT-58571 ExplicitApi mode should not apply for test compilations
  • KT-42718 Test and AndroidTest sources should be excluded from explicit API requirements for libraries
  • KT-58916 [1.9.0-Beta] PLUGIN_CLASSPATH_CONFIGURATION_NAME and NATIVE_COMPILER_PLUGIN_CLASSPATH_CONFIGURATION_NAME should stay public or offer an alternative API
  • KT-58869 K2, Gradle: Improve message "100% (2/2) tasks have compiled with Kotlin 2"
  • KT-52811 Kotlin Serialization metadata issue due to incompatibility between Gradle Kotlin embedded version and Kotlin Gradle Plugin version
  • KT-57330 Provide collection of usage statistics for the Dokka
  • KT-57393 jvm-target value set through 'android.kotlinOptions' is ignored and overwritten with the default 1.8 value
  • KT-58745 KaptGenerateStubs task should also be configured with the same compiler plugin options
  • KT-58682 Explicit api mode does not apply in MPP projects
  • KT-52976 Remove deprecated Gradle conventions usages
  • KT-58530 Compiler plugin unbundling changes should be backward compatible with Kotlin plugin
  • KT-36904 Adding folders to sourceSets.resources.srcDir() in Gradle script does not work
  • KT-58313 An exception in console if no task is executed and file build reports are enabled
  • KT-58619 Move all pm20 interfaces into Gradle plugin codebase
  • KT-58320 Kotlin daemon OOM help message is missing on OOM in Kotlin Daemon itself
  • KT-53923 Add 'progressive' compiler argument to Gradle compiler options
  • KT-53924 Add 'optIn' compiler arguments to Gradle compiler options
  • KT-53748 Remove KotlinCompile setClasspath/getClasspath methods
  • KT-56454 Bump minimal support AGP version to 4.2.2
  • KT-57397 Add infrastructure to use the build-tools-api to run compilation from Gradle
  • KT-56946 Switch incremental Gradle tests for K2 to use language version 2.0
  • KT-57782 Disable daemon fallback strategy for Gradle integration tests by default
  • KT-57142 Split org.jetbrains.kotlin.gradle.tasks/Tasks.kt into several source files
  • KT-54447 Remove usage of deprecated internal Gradle field in Kotlin Gradle Plugin, replace with equivalent in public API
  • KT-49785 Avoid creating task output backups until really needed
  • KT-56047 False positive message about full recompilation is displayed while restoring from build cache and then making a syntax error
  • KT-56421 Gradle: plugin should not use BasePluginExtension deprecated properties
  • KT-55241 Gradle: the VariantImplementationFactories build service state is not persistent making impossible to access factories with configuration cache lazily
  • KT-56357 Gradle: "DefaultTaskCollection#configureEach(Action) on task set cannot be executed in the current context" because of VariantImplementationFactories
  • KT-56352 Make build scan reports more readable
  • KT-55972 Gradle: Add an assertion to all integration tests if warningMode is not FAIL, but the build doesn't produce any warnings

Tools. Gradle. Cocoapods

  • KT-38749 Support reusing generated C-interop between dependant pods
  • KT-54161 Support adding extra code to generated Podfile from the Kotlin gradle plugin
  • KT-56162 Provide granular Gradle warnings suppression for CocoaPodsIT

Tools. Gradle. JS

New Features

  • KT-48791 KJS: Support for Power(ppc64le) and Z(s390x)
  • KT-32209 org.jetbrains.kotlin.js does not respect Gradle's archivesBaseName
  • KT-52646 KJS / Gradle: make "KotlinCompilationNpmResolver already closed" a warning
  • KT-52647 KJS / Gradle: Make "Projects must be configuring" a warning
  • KT-56158 KJS: Support implementation dependencies

Fixes

  • KT-59604 Unresolved reference: useKarma in convention plugin
  • KT-57604 JS, Space: Circular dependency between tasks
  • KT-59116 K/JS npm dependcies are not resolved properly on Kotlin 1.9
  • KT-54731 KJS / Gradle: "There are multiple versions of "kotlin" used in nodejs build: 1.6.21, 1.7.20." with kotlin-dsl in buildSrc
  • KT-58970 browserTest gradle task fails if karma is used and gradle configuration cache is enabled
  • KT-59004 Kotlin JS 1.9.0-Beta, yarn.lock is unstable in multi module project
  • KT-56458 KJS / Gradle: Unnecessary and confusing "There are multiple versions of "kotlin" used in nodejs build" generated from YarnImportedPackagesVersionResolver
  • KT-57985 K/JS: packageJson Gradle configurations don't inherit unique attributes from JsTarget DSL
  • KT-57817 JS: executables for couple of JS targets builds in the same directory
  • KT-58199 K/JS: Remove useCoverage method
  • KT-57116 KJS / Gradle: commonWebpackConfig not applied if called after binaries.executable()
  • KT-58522 K/JS: Upgrade NPM dependency versions
  • KT-57629 K/JS: Change default destination of JS production distribution
  • KT-57480 K/JS: Use IR compiler by default without explicit choosing of js compiler
  • KT-58345 K/JS: Webpack task skipped with ES modules because files have mjs extension
  • KT-58071 KJS / Gradle: jsNodeTest task is not incremental
  • KT-43809 KJS: browserProductionExecutableDistributeResources tasks deletes distributions directory
  • KT-56690 Kotlin2JsCompiler friendDependencies cannot be configured through friendPaths
  • KT-57920 K/JS: Make imported NPM package not considering dev dependencies
  • KT-56025 KJS / Gradle: Gradle 8.0 jsBrowserProductionWebpack uses the output of another project's jsProductionExecutableCompileSync
  • KT-57630 K/JS: webpack updating twice on one change of kt sources
  • KT-47351 KJS / IR: :jsTestPackageJson is unable to find nested included builds under composite build
  • KT-44754 K/JS: browserRun --continuous keeps rebuilding without any changes
  • KT-49774 KJS / Gradle: Errors during NPM dependencies resolution in parallel build lead to unfriendly error messages like "Projects must be closed"
  • KT-57387 Remove support of webpack 4
  • KT-57386 Kotlin/JS upgrade npm dependencies
  • KT-56705 KJS / Gradle: Module name starting with '@' isn't properly set when FUS is disabled
  • KT-46428 KJS / IR: Composing build failed "Failed to create MD5 hash for package.json"
  • KT-53687 Don't trigger npm and yarn related tasks if it not relevant for assemble
  • KT-49915 KJS / Gradle: Gradle build cache miss because of absolute path in KotlinJsIrLink.filteredArgumentsMap
  • KT-56192 KJS: In browser testing no original sources in stacktrace
  • KT-42395 Kotlin/JS: Gradle DSL: PackageJson.customField() does not accept null
  • KT-43305 Support Node.JS downloading for Ubuntu
  • KT-48631 KJS: Unconditionally uses linux/x86 binaries
  • KT-38015 NodeJS installation does not extract symlinks correctly (npm and npx)

Tools. Gradle. Multiplatform

New Features

  • KT-34662 Provide an option for Android targets to compile & run commonTest tests as unit tests only, instrumented tests only, or both
  • KT-55881 Add possibility to enable/disable sources publication similar to Java Gradle Plugin API

Fixes

  • KT-59446 MPP: transformCommonMainDependenciesMetadata failing for api java dependency in shared jvm source set with Future was not completed yet
  • KT-55751 MPP / Gradle: Consumable configurations must have unique attributes
  • KT-57688 MPP: compileDebugKotlinAndroid task fails with llegalArgumentException: 'moduleName' is null!
  • KT-56210 Pass module structure to CLI of K2 if K2 enabled
  • KT-57531 KotlinNativeLink: StackOverflowError when consuming library with dependency cycles (from constraints)
  • KT-58281 Kotlin Gradle Plugin: Enable Kotlin/Android SourceSetLayout v2 by default
  • KT-57903 Prepare for migration to the pluggable android target plugin
  • KT-49933 Support Gradle Configuration caching with HMPP
  • KTIJ-25644 KGP import: 'KotlinRunConfiguration' won't be able to infer correct runtime classpath
  • KT-58661 KGP: KotlinJvmTarget: Implement 'run' carrier task
  • KT-59055 KotlinJvmRun not respecting jvmToolchain setting
  • KT-57959 Module-name value can't be changed for the android target of a multiplatform project
  • KT-55506 TCS: Gradle Sync: kotlin-stdlib-common is not filtered from JVM + Android source sets
  • KTIJ-25732 Flaky: KotlinMultiplatformSmokeTests .testJvmAndNative
  • KTIJ-25039 New import can add unresolved dependency as empty
  • KT-57652 Don't expose sourcesElements for project2project dependencies
  • KT-58601 Finalise "ExternalKotlinTargetApi" shape for initial 1.9 release
  • KT-58710 External Target Api: Add API to control SourceSetTree
  • KT-58488 Add a diagnostic message to KGP in case of val androidTest by getting usage
  • KT-57482 cleanNativeDistributionCommonization is not compatible with configuration cache with gradle 8.0
  • KT-58062 Commonizer configuration cache not compatible with Gradle 8.1
  • KT-58086 Warn about using MPP libraries published in the legacy mode
  • KTIJ-24254 KotlinProjectArtifactDependencyResolver returning too early
  • KT-56439 TCS: Gradle Sync: IdeBinaryResolver: Add componentFilter API for compilations/configurations
  • KT-57023 Cryptic Gradle task descriptions for compile tasks
  • KT-58470 Warning about using MPP libraries published in the legacy mode is not reported if the dependency is declared in an intermediate source set
  • KT-58466 K2 Gradle: non *.kt files are passed to -Xfragment-sources
  • KT-58319 kotlin.git: ProjectMetadataProviderImpl "Unexpected source set 'commonMain'"
  • KT-51940 HMPP resolves configurations during configuration
  • KT-58261 Link kotlin native binary framework tasks fails when configuration cache is enabled
  • KT-41506 UnknownDomainObjectException: "KotlinSourceSet with name not found" when creating custom compilations after applying withJava to an MPP JVM target
  • KT-58209 Do not use the term 'Module' in KotlinTargetHierarchy
  • KT-56153 When the dependency is unresolved, import fails and don't import anything instead of degrading gracefully
  • KT-56571 New import broke apiVersion for commonMain, commonTest and jvmAndAndroidMain modules
  • KTIJ-24552 TCS: KotlinMppGradleProjectResolverExtension: Add 'afterProjectResolved' API
  • KTIJ-24368 Multiplatform;Composite Builds: prepareKotlinIdeaImport not executed on included builds
  • KTIJ-24377 Multiplatform;Composite Builds: Unresolved symbols from a root project of included build
  • KT-56712 Multiplatform;Composite Builds: Classpath isolation: .MppDependencyProjectStructureMetadataExtractorFactory cannot be cast to class *MppDependencyProjectStructureMetadataExtractorFactory
  • KT-56461 MPP: resolvableMetadataConfiguration: Ensure consistent resolution across all compile dependencies
  • KT-56841 MPP: Module-to-module dependencies don't work inside included build in included build
  • KT-42748 Project that transitively depends on composite build of multimodule multiplatform library cannot resolve dependencies properly
  • KT-52356 MPP / Gradle: Missing common classes on KMM project integrated via Gradle included build into an Android application
  • KT-51293 Unresolved references with hierarchical project structure when building KotlinMetadata from native-common source set
  • KTIJ-24771 Multiplatform: Composite builds do not resolve in IDEA when rootProject.name != buildIdentifier.name
  • KT-56700 V2 MPP Source Set layout warnings should include link to docs
  • KT-55926 TCS: Gradle Sync: Import Extras on KotlinSourceSet and KotlinTarget
  • KTIJ-24364 KotlinProjectArtifactDependencyResolver: Extend API to include information about 'requesting source set'
  • KTIJ-24365 KotlinMPPGradleProjectResolver: Create extension points for other plugins (Android)
  • KT-55730 MPP / Gradle: compileKotlinMetadata fails to resolve symbols in additional source sets

Tools. Gradle. Native

  • KT-58838 KGP/Multiplatform: 1.9.0-Beta with custom cinterops: IllegalStateException: Could not create domain object 'jni' (DefaultCInteropSettings)
  • KT-57823 KotlinNativeCompileOptions.moduleName value is ignored and replaced with the default one if to set up using compilations
  • KT-57815 KotlinNativeCompileOptions.moduleName isn't accessible if to configure using compilerOptions.configure {}
  • KT-57944 K2: K2, MPP, Native: K2 reports "Source does not belong to any module" for native sources
  • KT-53108 Expose Kotlin/Native compiler options as Gradle DSL
  • KT-58063 Kotlin/Native tasks configuration cache are not compatible with Gradle 8.1
  • KT-38317 Kotlin/Native: NSURLConnection HTTPS requests fail in iOS tests due to --standalone simctl flag
  • KT-56280 Gradle: freeCompilerArgs are no longer propagated from compilations to Native binaries

Tools. Incremental Compile

  • KT-58289 IC fails to detect a change to class annotations
  • KT-58986 New IC: ISE "The following LookupSymbols are not yet converted to ProgramSymbols: LookupSymbol(name=$$delegatedProperties, ...)"
  • KT-56197 If use classpathSnapshot, the invoke place of subclass's super function who has default parameters will not recompiled if it is incremental build
  • KT-56886 K2: Changes to Java sources used in Kotlin project do not trigger a rebuild if a previous build was successful

Tools. JPS

  • KTIJ-25384 JPS plugin: serialization plugin is not applied to modules
  • KT-56438 Add minimal statistic report for JPS build
  • KT-58314 kotlin-build-statistics is missing for kotlin-jps-plugin
  • KT-55696 JPS IC K2 - fix new failing tests with Java interop
  • KT-57102 SCE: DefaultErrorMessages$Extension: DefaultErrorMessagesWasm not a subtype after adding WASM error messages

Tools. Kapt

  • KT-54468 KAPT Gradle plugin causes eager task creation
  • KT-59521 Kapt maven plugin require version of annotation processor
  • KT-58301 K2: Compile Kotlin task failure for the generated by Kapt sources : 'Source NameOfTheGenerated.kt does not belong to any module
  • KT-57598 K2: Support a fallback mode executing Kapt with K1 even when the compiler is run with languageVersion=2.0
  • KT-58226 KAPT: “org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtNameReferenceExpression” with enum with secondary constructor

Tools. Maven

  • KTIJ-25445 Maven. JVM target is imported as 1.6 when no target specified in pom.xml

Tools. Parcelize

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

Tools. Scripts

  • KT-58366 The obsolete kotlin-script-util jar is still published and contains broken JSR-223 implementation

Tools. Wasm

  • KT-56585 Change wasmBrowserRun Browser Executable to System Default
  • KT-56159 Running (karma) tests doesn't work in a project generated by wizard "Browser Application for Kotlin/Wasm"
  • KT-57203 Update Kotlin/Wasm to support Gradle 8