Changelog

Analysis API

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

Analysis API. FIR

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

Analysis API. FIR Low Level API

• KT-52160 FIR: Substitution overrides on FirValueParameter-s are incorrectly unwrapped
• KT-54826 KtSymbolPointer: migrate from IdSignature to our own solution

Android

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

Backend. Wasm

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

Compiler

New Features

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

Performance Improvements

• KT-53330 Optimize for-loops and contains over open-ended ranges with until operator (..<) for all backends
• KT-48759 Infix compareTo boxes inline classes
• KT-55033 Make org.jetbrains.kotlin.resolve.calls.inference.model.NewConstraintSystemImpl#runTransaction an inline function
• KT-33722 JVM: Result API causes unnecessary boxing

Fixes

• KT-53153 Synthetic Enum.entries can be shadowed by user-defined declarations
• KT-54140 SOE at IrBasedDescriptorsKt.makeKotlinType with mixing recursive definitely not nullable type with nullability
• KT-56224 Clarify message "Secondary constructors with bodies are reserved for for future releases" for secondary constructors in value classes with bodies
• KT-54662 K2: Assign operator ambiguity on synthetic property from java
• KT-54507 K2: Wrong implicitModality for interface in FirHelpers
• KT-55912 "UnsupportedOperationException: Unsupported const element type kotlin.Any" caused by kotlin fqn in annotation
• KT-55251 Enum.entries compilation error should be more specific
• KT-43296 FIR: Complicated interaction between smart cast and inference leads to false-positive diagnostic
• KT-55483 K2: Fir is not initialized for FirRegularClassSymbol java/lang/invoke/LambdaMetafactory
• KT-56188 K/N: AssertionError when casting SAM wrapper with generic type parameter
• KT-54209 K2: false positive deprecation on a class literal with deprecated companion
• KT-55408 K2: can't access indirectly inherited from a package-private class Java members through a type alias
• KT-55116 K2: store static qualifiers in dispatch receiver field
• KT-55436 K1: implement warning about shadowing of the derived property by the base class field
• KT-55368 K2/MPP: Metadata compiler
• KT-53846 K2 / Context receivers: ClassCastException on secondary constructor of class with context receiver
• KT-54305 K1: implement warning "synthetic setter projected out"
• KT-52027 "NullPointerException" when using context receivers with inline fun
• KT-55984 Stack allocated array is not cleaned between loop iterations
• KT-52593 Provide Alpha support for JS in the K2 platform
• KT-54656 NoSuchMethodError on invoking Java constructor which takes an inline value class as a parameter
• KT-55606 K2. Infix operator "in" works on ConcurrentHashMap when it's declared through another class
• KT-53884 K2: "IllegalStateException: Fir is not initialized for FirRegularClassSymbol com/appodeal/consent/Consent.a" when importing this class
• KT-54502 Synthetic extensions on raw types work differently from regular getter calls
• KT-49351 FIR: Raw type scopes are unsupported
• KT-49345 FIR: Properly support raw types in type parameter upper bounds
• KT-55887 K2. "IllegalStateException: org.jetbrains.kotlin.ir.expressions.impl.IrErrorCallExpressionImpl is not expected" on adding kotlin.plugin.jpa
• KT-55733 K2. Reference resolve works incorrectly for classes declared through typealias
• KT-46369 FIR: Investigate raw types for arrays
• KT-41794 [FIR] Implement raw type based scope
• KT-55181 K2. No compilation error on throwing not throwable
• KT-55398 Kotlin inline nested inline lambda's inline variable will inline not correctly
• KT-55359 K2. No error when secondary constructor does not delegate to primary one
• KT-55759 K2: Unresolved reference of serializer if library linking is used (with kotlinx.serialization plugin)
• KT-54705 Kotlin scripting doesn't support files with UTF-8 BOM
• KT-51753 FIR: various errors due to expect/actual mapping absence in translator
• KT-44515 FIR DFA: extract non-null info from anonymous object's initialization
• KT-55018 K2 / serialization: FIR2IR fails on local companion
• KT-55284 Refactor org.jetbrains.kotlin.diagnostics.KtDiagnosticReportContextHelpersKt#reportOn(...)
• KT-55693 K2. Type inference changed in k2
• KT-54332 Add deprecation warning for false-negative TYPE_MISMATCH for KT-49404
• KT-55597 K2. This type has a constructor, and thus must be initialized here error is missed for anonymous object inherits class with no-arg constructor
• KT-52459 Context receivers: AbstractMethodError caused by Interface method with both an extension and a context receiver is overriden incorrectly in subclasses
• KT-54357 "ClassCastException: class org.jetbrains.kotlin.resolve.scopes.receivers.ExtensionReceiver cannot be cast to class org.jetbrains.kotlin.resolve.scopes.receivers.ContextClassReceiver" with anonymous object extending a class with a context receiver
• KT-51397 "VerifyError: Bad type on operand stack" with context receivers
• KT-54905 KLIB check on compiled with pre-release version
• KT-55615 K2 often does not expand type aliases in annotation position
• KT-54522 K2: ambiguity between operator candidates on += (plusAssign) to reassigned var of MutableList type
• KT-54300 K2: No "Projections are not allowed for immediate arguments of a supertype" for projection in supertypes of an anonymous object
• KT-55495 K2: support lateinit intrinsic applicability checker
• KT-33132 Cannot override the equals operator twice (in a class and its subclass) unless omitting the operator keyword in the subclass
• KT-55288 False negative WRONG_ANNOTATION_TARGET on type under a nullability qualifier
• KT-54730 K2: type aliases to generic functional interfaces attempt to re-infer explicitly specified type parameters
• KT-55611 IC / MPP: Optional internal annotations are not visible on incremental builds
• KT-55656 K2: PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED being a warning causes a NPE in runtime
• KT-51277 "NoSuchElementException: Collection contains no element matching the predicate" with context receivers and star projection
• KT-52791 Class with multiple context receivers fails -Xvalidate-ir with "Validation failed in file"
• KT-55071 Shared Native Compilation: Calls from intermediate common source set cannot use default parameters declared in expect common functions
• KT-54573 K2: untouched implicit types in delegated constructor call of data class with [@JvmRecord](https://github.com/JvmRecord)
• KT-55037 Support jspecify annotations moved to the new package org.jspecify.annotations in jspecify 0.3
• KT-48989 JVM / IR: "IllegalStateException: Bad exception handler end" when first parameter of inline function is nullable with "try/catch/finally" default value and second parameter tries to call toString() on the first
• KT-55231 K2: Contract declarations are not passed to checkers
• KT-54411 False positive: INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION on kotlinx.coroutines code
• KT-55005 Inconsistent behavior of array set operation in Kotlin 1.7.21
• KT-44625 Property backing/delegate field annotations are not serialized/deserialized for non-JVM targets
• KT-42490 Receiver annotations are not serialized/deserialized for non-JVM targets
• KT-53441 K2: cannot access static method of package-private Java grandparent class
• KT-54197 [K2] Exception from inliner for inline function with context receiver
• KT-55246 Disable 'CustomEqualsInValueClasses' feature in 1.9 language version
• KT-55247 Disable 'InlineLateinit' feature in 1.9 language version
• KT-53957 K2 and -Xlambdas=indy: LambdaConversionException on reference to method with both context and extension receivers
• KT-55421 K2: get rid of potentially redundant call of preCacheBuiltinClassMembers from getIrClassSymbol
• KT-52815 Compiler option -Xjdk-release fails to compile mixed projects
• KT-52236 Different modality in psi and fir
• KT-54921 K2: cannot access static field of package-private Java parent class
• KT-53698 K2: FIR2IR fails on call of inivisble extension function with Suppress
• KT-53920 K2: "NoSuchElementException: Key org.jetbrains.kotlin.fir.resolve.dfa.cfg.ClassExitNode is missing in the map" with unreachable code and anonymous object
• KT-51290 "AssertionError: Parameter indices mismatch at context" with context receivers
• KT-51475 "ArrayIndexOutOfBoundsException: Index 4 out of bounds for length 4" with context(Any) on inline function with contract
• KT-51247 "AssertionError: org.jetbrains.kotlin.ir.expressions.impl.IrFunctionReferenceImpl" caused by context receiver functional types
• KT-51951 "IllegalStateException: No receiver" caused by implicit invoke on typealias context receiver
• KT-52373 Context receivers: ClassCastException: function with dispatch, context, and extension receivers produces this when a parameter's default is included
• KT-54807 K2. Support [@OnlyInputTypes](https://github.com/OnlyInputTypes) diagnostic checks (contains like calls)
• KT-54824 K2: missing smartcast after two levels of aliasing and a reassignment
• KT-53368 Out of bounds read in sse version of String::hashCode
• KT-51863 ClassCastException when using context receivers with named argument.
• KT-55123 JvmSerializableLambda is not applicable in common code in multiplatform projects
• KT-45970 Missing deprecation warnings for constant operators calls in property initializers
• KT-54851 K2: analysis of as/is contains multiple errors that result in missing diagnostics
• KT-54668 K2: Inference error in body of lazy property with elvis with Nothing in RHS
• KT-53070 Update intellij testdata fixes for FIR and merge it to master
• KT-54950 NoSuchMethodError on calling 'addAll' on inline class implementing mutable list
• KT-53492 No parameter null check generated for constructor taking an inline class type
• KT-55160 Kotlin's fragment element types must not extend IStubFileElementType
• KT-55143 K2: INAPPLICABLE_JVM_NAME in JVM does not work for inline classes
• KT-47933 Report warning if kotlin.annotation.Repeatable is used together with java.lang.annotation.Repeatable
• KT-55035 FIR: do not use FirValueParameter for FirFunctionalTypeRef
• KT-55095 Wrong containingDeclarationSymbol in type parameter from Enhancement
• KT-53946 K2: don't resolve Enum.declaringClass and Enum.getDeclaringClass
• KT-55074 OptIn false negative: constructor call with default argument value
• KT-54260 K2: "AssertionError: No modifier list, but modifier has been found by the analyzer" when annotated annotation and AllOpen plugin
• KT-55034 FIR: provide information about containing function/constructor to FirValueParameter
• KT-53988 K2: False negative "The expression cannot be a selector (occur after a dot)"
• KT-53983 K2 crashes with NPE when 'this' is used inside enum class constructor
• KT-53371 Properly resolve FIR to get fully resolved annotations
• KT-53519 FIR: argument mapping for annotations on value parameter is not properly built
• KT-54827 MPP: "java.lang.IndexOutOfBoundsException: Index: 0" during compilation of androidMain target
• KT-54417 K2: move receiver-targeted annotations to KtReceiverParameterSymbol and remove it from FirProperty receiver type
• KT-54762 Private constructor is accessible from a public inline function via [@PublishedAPI](https://github.com/PublishedAPI) annotation
• KT-54732 DirectedGraphCondensationBuilder.paint fails with StackOverflowError during linkReleaseFrameworkIos64
• KT-54897 K2: value class with private constructor stripped by jvm-abi-gen cannot be used in another module
• KT-54784 NPE from IrSourceCompilerForInlineKt.nonLocalReturnLabel on non-local break and continue in anonymous initializers and in scripts
• KT-54840 Field for const property on interface companion object loses deprecated status when copied to interface
• KT-53825 class files are generated when compilation fails with platform declaration clash
• KT-52157 Annotation on type parameter isn't present in the symbol loaded from the library
• KT-54654 K2: Implicit types leaks into delegated member
• KT-53255 [FIR2IR] StackOverflowError with long when-expression conditions
• KT-48861 No warning on incorrect usage of array type annotated as Nullable in Java
• KT-54539 [@Deprecated](https://github.com/Deprecated) on members of private companion object is no longer needed
• KT-54401 Unhandled exception on compilation inline class with 'equals' from 'Any' returning 'Nothing'
• KT-54455 Unexpected result of equality comparison of inline class objects
• KT-54378 K2: smart cast breaks subtyping in case with complex projections
• KT-53761 Reified type not propagated to supertype token through two inline functions
• KT-53876 Manually instantiated annotations with unsigned arrays are not equal
• KT-51740 NO_VALUE_FOR_PARAMETER: Consider increasing error highlighting range
• KT-54084 ClassCastException when trying to call a context receiver's method
• KT-51282 IllegalAccessError: Compiler for JVM 1.8+ makes lambdas access unaccessible classes when using [@JvmMultifileClasses](https://github.com/JvmMultifileClasses)
• KT-53479 False positive "Cannot access 'runCatching' before superclass constructor has been called"
• KT-50950 JVM IR: "AssertionError: FUN SYNTHETIC_GENERATED_SAM_IMPLEMENTATION" when using bound reference to suspend SAM function
• KT-49364 "VerifyError: Bad type on operand stack" on cast which "can never succeed" from ULong to Int

IDE

Performance Improvements

• KT-55445 KtUltraLightClassModifierList.hasModifierProperty requires resolve for PsiModifier.PRIVATE

Fixes

• KT-55862 Can't resolve kotlin-stdlib-js sources in IDE
• KT-55743 K2 SLC: SymbolLightClassForClassOrObject must have a name
• KT-55604 Descriptor leak
• KT-55502 SLC: drop redundant 'final' modifier from synthetic static enum members
• KT-55497 LC: drop [@NotNull](https://github.com/NotNull) annotation from parameter from synthetic Enum.valueOf
• KT-55496 SLC: generated synthetic enum methods by symbols instead of manual creation
• KT-55481 SLC: implement correct java annotations for annotation classes (Retention, Target, etc.)
• KT-55470 SLC: implement light class for RepeatableContainer
• KT-55442 SLC: 'isInheritor' for 'DefaultImpls' should work correctly
• KT-40609 IDE: False positive "Exception is never thrown..." in Java when Kotlin getter is annotated with Throws
• KT-54051 Migrate symbol light classes from KtSymbol to KtElement

JavaScript

New Features

• KT-35655 Investigate could we use "names" field in SourceMaps to improve debug experience
• KT-54118 Kotlin/JS IR: keep declarations with non-minified names

Fixes

• KT-55720 KJS: ReferenceError: SuspendFunction1 is not defined with 1.8 when importingkotlin.coroutines.SuspendFunction1
• KT-55930 KJS: A recursive callable reference of the inline function leads broken cross module references
• KT-31888 Kotlin/JS: make possible to call main() in main run tasks, but not in test tasks
• KT-51581 FIR: support JS backend
• KT-55786 KJS: Rewriting of secondary constructors if they are protected
• KT-52563 KJS / IR: Invalid TypeScript generated for class extending base class with private constructor
• KT-55367 KJS / IR + IC: Moving an external declaration between different JsModules() doesn't rebuild the JS code
• KT-55240 KJS: "NoSuchElementException: No element of given type found" caused by [@JsExport](https://github.com/JsExport) and Throwable's child class
• KT-54398 KJS / IR + IC: Support *.d.ts generation
• KT-55144 KJS / IR + IC: Modifying an inline function which is used as a default param in another inline function doesn't invalidate a caller
• KT-54134 KJS / IR: "TypeError: Cannot read properties of undefined" in js block wrapped with suspend functions around
• KT-54911 KJS / IR + IC: invalidate all klib dependencies after removing it
• KT-54912 KJS / IR + IC: Commit cache header only in the end (after lowering)
• KT-52677 Native: StackOverFlow during "kotlin.ir.util.RenderIrElementVisitor$renderTypeAnnotations$1.invoke"
• KT-54480 KJS: "Exported declaration contains non-consumable identifier" warning when exporting modules as default
• KT-41294 KJS: Weird behaviour of j2v8 in test infra

Language Design

• KT-55344 Deprecate [@Synchronized](https://github.com/Synchronized) in platforms except JVM

Libraries

• KT-55978 Provide Common Base64 encoding in stdlib
• KT-46211 [Kotlin/Native] Stack overflow crash in Regex classes with simple pattern and very large input
• KT-31066 Add Closeable & use to common stdlib
• KT-55609 Introduce experimental kotlin.concurrent.Volatile annotation
• KT-39789 Segfault in Kotlin/Native regex interpreter
• KT-35508 EXC_BAD_ACCESS(code=2, address=0x16d8dbff0) crashes on iOS when using a sequence (from map() etc.)
• KT-53310 Native: HashMap/HashSet doesn't reclaim storage after removing elements

Native

• KT-55938 [Kotlin/Native] Inline functions accessing ObjC class companion cause compiler to crash when building static caches in 1.8.20 dev build

Native. C and ObjC Import

• KT-55303 Objective-C import: improve -fmodules flag discoverability.
• KT-39120 Cinterop tool doesn't support the -fmodules compiler argument
• KT-40426 Incorrect Objective-C extensions importing that prevents UIKit usage
• KT-55653 Since Kotlin 1.8.0 NSView.resetCursorRects doesn't exist anymore and cannot override it
• KT-54284 Kotlin/Native: cinterop produces non-deterministic metadata

Native. ObjC Export

• KT-56350 Kotlin/Native: restore "use Foundation" in generated Objective-C frameworks
• KT-53638 Native: support disabling mangling globally for Swift names in generated Objective-C header
• KT-53069 SOE on K/N framework build for Arm64
• KT-53317 ObjCName annotation is not applied to an extension receiver in Objective-C export

Native. Stdlib

• KT-53064 Native: provide stdlib API to obtain memory management statistics

Reflection

• KT-27585 Flaky IllegalPropertyDelegateAccessException: Cannot obtain the delegate of a non-accessible property. Use "isAccessible = true" to make the property accessible
• KT-55178 Improve performance of KCallable.callBy
• KT-53279 Reflection: "KotlinReflectionInternalError: Method is not supported" caused by [@Repeatable](https://github.com/Repeatable) annotation deserialization at runtime if it's repeated and contains arrays
• KT-44977 Reflection: ClassCastException caused by annotations with "AnnotationTarget.TYPE" usage on array attributes access

Tools. CLI

• KT-54652 Enable -Xuse-fir-lt by default when -Xuse-k2 is turned on, provide way to disable
• KT-55784 Unable to format compilation errors with ansi colors in compilation server
• KT-54337 CLI: compiling module-info.java without explicitly specified JDK home leads to a weird error

Tools. Commonizer

• KT-47429 [Commonizer] OKIO support
• KT-51517 C Interop Commonizer Fails On Classifier That Doesn't Exist

Tools. Compiler Plugins

• KT-53590 K2 Allopen does not look for transitive meta-annotations
• KT-54020 [K2] [NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER] error in case 'static Name' param was added to @ AllArgsConstructor annotation and an empty list is set as a constructor param value
• KT-53096 Create a pack of compiler utilities for generating declarations from plugins
• KT-55248 K2/PluginAPI: getCallableNamesForClass/generateClassLikeDeclaration are not called for synthetic companions of local classes
• KT-54756 Deprecate "legacy" mode of jvm-abi-gen plugin
• KT-55233 jvm-abi-gen strips out InnerClass attributes
• KT-54500 Private type aliases can be referenced from public declarations, but are stripped by jvm-abi-gen

Tools. Compiler plugins. Serialization

• KT-49983 Implement prototype of kotlinx.serialization for K2 compiler
• KT-54441 Prohibit implicit serializer customization via companion object
• KT-48733 "AssertionError: Unexpected IR element found during code generation" caused by Serialization and annotation with default parameter
• KT-54297 Regression in serializable classes with star projections

Tools. Gradle

New Features

• KT-54492 Send gradle build errors from idea
• KT-55540 Add compilation speed metric in build reports
• KT-54691 Kotlin Gradle Plugin libraries alignment platform
• KT-55541 Validate FUS metrics values on Gradle side

Performance Improvements

• KT-55995 Add ability to perform precise compilation task outputs backup
• KT-54836 Kotlin/JVM Gradle plugin creates task eagerly on Gradle 7.3+
• KT-54579 Kapt tasks slow down significantly on Windows when running with JDK 17 compared to JDK 11
• KT-54588 KotlinCompile: Avoid calling FileCollection.getFiles() multiple times

Fixes

• KT-52625 Compatibility with Gradle 7.4 release
• KT-55544 Gradle: add more debugging information for finding usages of kotlinOptions.freeCompilerArgs
• KT-52149 Gradle: declare shared build services usages with Task#usesService
• KT-53811 Compatibility with Gradle 7.6 release
• KT-52998 Compatibility with Gradle 7.5 release
• KT-55741 Gradle 8: Build service '' is being used by task '' without the corresponding declaration via 'Task#usesService'.
• KT-55174 KotlinCompile task produces deprecation "Build service 'variant_impl_factories_...' is being used by task"
• KT-54425 Kotlin Gradle Plugin should not use deprecated UsageContext#getUsage()
• KT-54998 "kotlin.gradle.performance" FUS collector reports data twice
• KT-55520 Add required configuration for Kotlin Gradle Plugin API reference publication
• KT-52963 Build report code breaks Gradle project isolation.
• KT-55164 KGP: "Cannot access project ':' from project ':list'" JVM - Project Isolation with Multi Modules and Configuration Cache fails
• KT-52490 Gradle: [org.jetbrains.kotlin.gradle.testing.internal] TestReport.destinationDir and TestReport.reportOn deprecation warnings
• KT-55000 Include information about the new IC into "kotlin.gradle.performance" FUS collector
• KT-45748 Migrate all Kotlin Gradle plugin Android tests to new test setup
• KT-54029 Validate Binary Compatibility for kotlin-gradle-plugin-api

Tools. Gradle. Cocoapods

• KT-41830 CocoaPods integration: Support link-only mode for pods
• KT-55801 Deprecate useLibraries
• KT-55790 Improper sdk selected for watchosDeviceArm64 target

Tools. Gradle. JS

New Features

• KT-37759 [Gradle, JS] Support arguments of command line for webpack and nodejs task
• KT-33518 Allow specifying command line args for node in nodejs or mocha tests
• KT-46163 KJS / Ktor: Support run on the next free port if default one is occupied

Performance Improvements

• KT-39108 Kotlin multiplatform plugin targeting js takes too long compared to the old kotlin-frontend plugin
• KT-45411 Investigate memory consumption in npm package
• KT-55476 KotlinWebpack should be cacheable
• KT-51376 KJS / Gradle: Dukat tasks make impact on build time even if there's no npm dependencies

Fixes

• KT-56131 KJS / Gradle: Could not create an instance of type org.jetbrains.kotlin.gradle.targets.js.subtargets.KotlinNodeJs when task configuration avoidance is broken
• KT-37668 Kotlin/JS: nodeTest failure due to main() function fail is reported as "BUILD SUCCESSFUL"
• KT-35285 Kotlin/JS + Gradle: browserDevelopementWebpack and browserProductionWebpack could write to different locations
• KT-55593 KotlinJsCompilerType and KotlinJsCompilerTypeHolder LEGACY and BOTH constants should be marked as [@Deprecated](https://github.com/Deprecated) in 1.8
• KT-33291 JS: No build result with gradle parallel build in multiproject build
• KT-40925 KJS: need a way to configure extra environment variables for the test task
• KT-47236 KJS: kotlinNpmInstall fails if no yarn is downloaded
• KT-53288 KJS / Gradle: FileNotFoundException when customising moduleName
• KT-54445 KJS Remove dukat integration
• KT-54421 KJS / Legacy: Kotlin 1.7.20 fails when running tests on Node 14
• KT-54418 KJS: Change test running with kotlin-test adapter
• KT-54132 KJS IR: Sometimes karma failed on teamcity because of uninitialized browser

Tools. Gradle. Multiplatform

New Features

• KT-53570 multiplatform 'natural hierarchy' prototype

Fixes

• KT-55873 Unrequested dependencies leaking into common source sets: Regression after 703fd0f2
• KT-55891 Deprecate pre-HMPP flags
• KT-56285 TCS: Gradle Sync: IdeProjectToProjectCInteropDependencyResolver: Ensure lenient resolution
• KT-56115 Multiplatform;Composite Builds: Support import with cinterop commonization enabled
• KT-56204 KotlinTargetHierarchy: Changing naming from 'any' to 'with' prefix
• KT-54974 TCS: Gradle Sync: Implement IdeKotlinDependencyResolvers
• KT-38712 Gradle configuration's name with word "implementation" is camelcased to "İmplementation" if default locale is Turkish
• KT-54975 TCS: Gradle Sync: Implement stdlib-common filter for platform source sets
• KT-36943 Gradle Plugin (multiplatform) - Consider publishing a 'sourcesElements' variant for the sources.jar
• KT-48839 Sources.jar of the root artifact of MPP library includes source files from test sourcesets
• KT-55492 TCS: Gradle Sync: Sources and Documentation as extra 'classpath'
• KT-55237 TCS: Gradle Sync: Support stdlib-native sources
• KT-55475 TCS: Gradle Sync: Fine tune jvmAndAndroid source sets
• KT-55189 TCS: Gradle Sync: Support icons (native, js) and global libraries
• KT-55218 KotlinTargetHierarchy: Disambiguate declaring targets vs including targets
• KT-55112 TCS: Gradle Sync: Resolve Source Dependencies
• KT-54977 TCS: Gradle Sync: Implement debugging tools
• KT-54948 TCS: Gradle Sync: Port IdeaKpmPlatformDependencyResolver to TCS
• KT-55289 TCS: Gradle Sync: Prototypical sources jar resolution
• KT-55238 TCS: Gradle Sync: Support commonized native distribution
• KT-55230 Remove metadata dependencies transformation for runtimeOnly scope
• KT-53338 Prettify the message about incompatible AGP and KGP versions
• KT-54506 Test tasks are considered up-to-date after a failure when triggered by allTests
• KT-54787 Test tasks are not up-to-date when an individual test task called after aggregating test task
• KT-54033 Multiplatform/Android Source Set Layout 1: Also support setting source dirs using AGP Apis
• KT-54202 CInterop Commonization fails on first run when native distribution is not yet commonizied
• KT-54135 Add documentation with examples to CompositeMetadataArtifact

Tools. Gradle. Native

• KT-55650 Pass through errors from Gradle to Xcode
• KT-56205 Shared Native Compilation: False positive 'w: Could not find' warnings on metadata klibs
• KT-54969 Support podspec generation for the new K/N artifact DSL

Tools. Incremental Compile

• KT-53832 Enable new incremental compilation by default in Gradle
• KT-55309 IC: Get rid of NonCachingLazyStorage
• KT-53402 Incremental compilation tries to compile resources

Tools. JPS

• KT-56165 Language version 1.9 and 2.0 is absent in Kotlin Compiler settings
• KT-51536 [JPS] Recompile module on facet settings change
• KT-53735 JPS / IC: "IOException: The system cannot find the file specified" on Windows
• KT-47983 [JPS] Adding compilerSettings to Facet should initiate rebuild of module
• KT-54449 Cyrillic characters in a filename break builds on linux

Tools. Kapt

New Features

• KT-53135 Enable JVM IR for KAPT stub generation by default
• KT-41129 kotlin-maven-plugin + kapt - allow aptMode to be set according to docs

Fixes

• KT-54380 Kapt / IR: Build failed when inheritance by functional interface with suspend modifier
• KT-55490 Kapt + JVM IR: "annotation [@Foo](https://github.com/Foo) is missing default values"
• KT-43786 KAPT: IllegalStateException: SimpleTypeImpl should not be created for error type: ErrorScope
• KT-43117 Kapt: "System is already defined in this compilation unit"
• KT-46966 Kapt: correctErrorTypes: receiver type is NonExistentClass
• KT-46965 Kapt: correctErrorTypes: custom setter gets Object parameter type
• KT-51087 KAPT: [@JvmRepeatable](https://github.com/JvmRepeatable) annotations are present in inverse order in KAPT stubs
• KT-54245 JVM IR / Kapt / Serialization: NullPointerException in SerializableIrGenerator.kt
• KT-54870 KAPT stub generation with JVM_IR backend throws exception for delegated properties
• KT-44350 Kapt Gradle integration tests failing with Android Gradle plugin 7.0
• KT-33847 Kapt does not included Filer-generated class files on compilation classpath
• KT-54030 Kapt: annotation processor warnings are displayed as errors on JDK 17+
• KT-32596 kapt replaces class generated by annotation processor with error.NonExistentClass when the class is used as an annotation
• KT-37586 KAPT: When delegated property use an unknown type (to-be-generated class), correctTypeError will mess up the $delegate field type

Tools. Maven

• KT-29346 Add components.xml to automatically compile kotlin maven projects
• KT-13995 Maven: Kotlin compiler plugin should respect model's compile source roots
• KT-54822 Maven: Too low-level error message "Parameter specified as non-null is null: method kotlin.text.StringsKt__StringsJVMKt.startsWith, parameter " from Kotlin Maven plugin invoking compiler when tags are empty
• KT-47110 Disable jdk8-specific warnings in kotlin-maven-plugin

Tools. Scripts

• KT-54461 Warnings and stack traces when executing scripts via kotlin-maven-plugin
• KT-54733 Scripts: ConcurrentModificationException in *.main.kts scripts
• KT-53283 Scripts: main-kts JAR does not relocate embedded SLF4J and jsoup libraries
• KT-54095 It is difficult (if not impossible) to use kotlin compiler plugins with scripting

Checksums

| File | Sha256 | | --- | --- | | kotlin-compiler-1.8.20-Beta.zip | ed487b3555967bb09ca46c1ccd2fca8d6ce8a813fcbd7ab31c74887a5826370a | | kotlin-native-linux-x86_64-1.8.20-Beta.tar.gz | 388df4048fa53d1137ce7ca1036d049061b6b7a5111f450dfbc6680d8bca30ed | | kotlin-native-macos-x86_64-1.8.20-Beta.tar.gz | b6856aeecf104c92dfedf23a603477e45711e064db10174cf863b94d0cff92e5 | | kotlin-native-macos-aarch64-1.8.20-Beta.tar.gz | eb8001fb8bf10ff599b749cf17761e4fe737b898b08bbbde07e03c082de6e856 | | kotlin-native-windows-x86_64-1.8.20-Beta.zip | f7d8f466f142ea0c4ca4692353d09efa1e86689e12906f27ddf604675feb188b |