Kotlin 1.8.20-RC2

Changelog

Compiler

• KT-57388 Kapt+JVM_IR: "RuntimeException: No type for expression" for delegated property
• KT-57242 Equals behaviour for value classes implementing interfaces is different between 1.8.10 and 1.8.20-RC
• KT-57261 "IllegalArgumentException was thrown at: MemoizedInlineClassReplacements.getSpecializedEqualsMethod" when comparing non-inline class instance with an inline class instance
• KT-56527 K2: "AssertionError: Assertion failed" during compilation in SequentialFilePositionFinder
• KT-57107 Handling of Windows line endings CRLF broken in latest snapshot with K2

Tools. Gradle

• KT-57296 Build statistics sending errors in case of buildSrc directory usage with kotlin-dsl plugin applied

Tools. Gradle. JS

• KT-57285 KJS / Gradle / MPP: FileNotFoundException on publishing empty KJS sourceset

Tools. Gradle. Multiplatform

• KT-57460 Kotlin Gradle Plugin: Null this pointer in transformCommonMainDependenciesMetadata
• KT-57306 [Kotlin 1.8.20-RC] GradleException: Could not load the value of field apiConfiguration of org.jetbrains.kotlin.gradle.plugin.mpp.compilationImpl.DefaultKotlinCompilationConfigurationsContainer

Checksums

File	Sha256
kotlin-compiler-1.8.20-RC2.zip	0db23d86962bece7577c19b76ec6b27611e5c4b7c70e93d71451d289e6a7741b
kotlin-native-linux-x86_64-1.8.20-RC2.tar.gz	e38429bd0f778689c3953d4c3d5aa67c30fc9c39c0fa4d75463fa645356aa97b
kotlin-native-macos-x86_64-1.8.20-RC2.tar.gz	0939c73f2d30b0eaed826d2dd3eb6ce0a4720ccaa48a8fed2b9439b3168273ef
kotlin-native-macos-aarch64-1.8.20-RC2.tar.gz	536fb2d6f26d4f9ed351a07c8673fe3c8d669cedc983b6151ef1d36f8bd564b4
kotlin-native-windows-x86_64-1.8.20-RC2.zip	2fd80c2f59125469d17d35a79c7711302875f8dd4a0403d6e0885e678a099ece

Kotlin 1.8.20-RC

Changelog

Backend. Wasm

• KT-56584 K/Wasm: Can't link symbol class

Compiler

Fixes

• KT-57053 Problem around anonymous objects in inline functions
• KT-56965 K/N: linkDebugFrameworkIosArm64 tasks failing with UnsupportedOperationException: VAR name:disposables type:com.badoo.reaktive.disposable.CompositeDisposable [val]
• KT-56815 compileKotlin task is stuck with while(true) and suspend function
• KT-56258 VerifyError: Bad local variable type when using -Xdebug
• KT-56847 Unresolved reference to Java annotation in Kotlin class with the same name packages
• KT-56526 InvalidProtocolBufferException on reading module metadata compiled by K2 in 1.8.20
• KT-56500 The type parameter TYPE_PARAMETER name:E index:0 variance: superTypes:[kotlin.Any?] reified:false is not defined in the referenced function FUN LOCAL_FUNCTION_FOR_LAMBDA
• KT-56611 Native: new native caches are broken when KONAN_DATA_DIR is defined to a directory inside ~/.gradle
• KT-56215 JVM: Object extension function nullable receiver null check false negative when object is null
• KT-56033 Restore 'isMostPreciseContravariantArgument' function signature for compatibility
• KT-56407 Backend Internal error: Exception during IR lowering during :daemon-common-new:compileKotlin
• KT-56701 K2 (with LightTree) reports syntax errors without additional information
• KT-56649 K2 uses 0-index for line numbers rather than 1-index
• KT-56521 Static scope initializers sometimes not called when first accessed from interop
• KT-49182 Strange cast from Unit to String
• KT-55125 Difference in generated bytecode for open suspend functions of generic classes

IDE. Gradle. Script

• KT-56941 Gradle KTS / Navigation: Go to declaration for Java types doesn't work

JavaScript

• KT-56602 KJS / Serialization: polymorphicDefaultDeserializer unbound on Kotlin 1.8.20-Beta
• KT-56580 KJS: languageVersionSettings string is unstable
• KT-56581 KJS: Lock file for incremental cache
• KT-56582 KJS: Function type interface reflection crashes the compiler in incremental build
• KT-56469 KJS: BE Incremental rebuild spoils source map comment

Libraries

• KT-55935 [Kotlin/JVM] Path.copyToRecursively does not work across file systems

Native

• KT-56443 Native link task reports w: Cached libraries will not be used for optimized compilation

Tools. CLI

• KT-56789 Metaspace memory leak in CoreJrtFileSystem
• KT-56992 Performance test regression in Gradle when switching to Kotlin 1.8.20
• KT-56925 Remove warning about assignment plugin
• KT-57077 1.8.20-RC-243 shows Java 19 warnings even if configured with Java 17 toolchain

Tools. Compiler Plugins

• KT-56487 Add more methods to DescriptorSerializerPlugin

Tools. Compiler plugins. Serialization

• KT-56738 Unexpected SERIALIZER_NOT_FOUND when compiling against binary with enum
• KT-56990 "AssertionError: SyntheticAccessorLowering should not attempt to modify other files" in kotlinx-serialization using @Serializer and List argument

Tools. Gradle

• KT-56221 Gradle KTS: False positive Val cannot be reassigned when using an extension and its property with an implicit set operator
• KT-55452 Values of the compiler arguments set via KotlinCompile task configuration are duplicated by the KaptGenerateStubs task
• KT-56645 Gradle: KGP reports an incorrect resources processing task name for JVM projects
• KT-55565 Consider de-duping or blocking standard addition of freeCompilerArgs to KaptGenerateStubsTask
• KT-56414 Dependency locking and failed builds with Kotlin 1.8.10

Tools. Gradle. JS

• KT-57068 KJS / Gradle: "Unable to find method 'kotlin.gradle.targets.js.dsl.KotlinJsBrowserDsl.testTask'" after updating to 1.8.20-Beta
• KT-56999 K/JS: KotlinJsIrLink::rootCacheDirectory property must be public
• KT-56765 K/JS: Several binaries use same cache directory
• KT-56488 Debugger won't stop on breakpoints of JS browser test
• KT-56719 KJS / Gradle: Compile sync task has to sync only changed files

Tools. Gradle. Multiplatform

• KT-56729 commonizeCInterop: Duplicated libraries: co.touchlab:sqliter-driver-cinterop-sqlite3
• KT-56510 Import with included plugin build may fail with OverlappingFileLockException during commonizeNativeDistribution

Tools. Kapt

• KT-56635 KAPT / IR: "Unresolved reference: DaggerGeneratedCodeTest_AppComponent " caused by stub generation with Kotlin 1.8.20-Beta
• KT-56360 Kapt with JVM IR changes fields order

Checksums

File	Sha256
kotlin-compiler-1.8.20-RC.zip	cd90d3fef3608f8866520c84f4fe729e6733b13cfa18bf93ebb52a2cf3f37b7b
kotlin-native-linux-x86_64-1.8.20-RC.tar.gz	35296775617118bc2e703f3e226bbb827885765be7001a9ebcd5cb68783ce323
kotlin-native-macos-x86_64-1.8.20-RC.tar.gz	f76faf8063d9d170db2dc5bb1b5d442787b0cf69983aa0605c1da22f31ef33b7
kotlin-native-macos-aarch64-1.8.20-RC.tar.gz	45694d385d09eb0eb075fa08b1bbf5000289120e6de677b71504481010a170a7
kotlin-native-windows-x86_64-1.8.20-RC.zip	9a0ce3887a4fc188b209a3ceff2b9235b2bd5ac965b1259b62ac91b9ea914b0f

Kotlin 1.8.20-Beta

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 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...

Kotlin 1.8.10

Changelog

Compiler

• KT-55483 K2: Fir is not initialized for FirRegularClassSymbol java/lang/invoke/LambdaMetafactory
• KT-55729 "None of the following functions can be called with the arguments supplied:" in 1.8.0
• KT-55769 "ERROR: Could not find accessor": Android DataBinding fails with Kotlin 1.8.0
• KT-55308 InnerClass attributes should be sorted (innermost last)

JavaScript

• KT-56282 KJS: Invalidate incremental cache in case of compiler internal errors
• KT-55852 JS: "IllegalStateException: Unexpected ir type argument" caused by List with star projection type
• KT-55716 KJS / IC: "Cannot read properties of undefined" with overriding variables with 1.8.0
• KT-55758 KJS / IR: Checking implemented interface on a class implementing a @JsExport interface returns the wrong result

Reflection

• KT-56093 Metaspace leak in a Gradle plugin built with Kotlin 1.8.0

Tools. Compiler plugins. Serialization

• KT-56347 [Kotlin 1.8] Regression kotlinx.serialization compiler plugin internal error
• KT-55681 Serialization: NullPointerException after update to 1.8.0 caused by @Serializer(forClass= ..)
• KT-56244 kotlinx.serialization compiler intrinsic does not work with encodeToString function in 1.8.0
• KT-55683 Serialization: "IllegalStateException: Expected to have a primary constructor" with expect class and companion object
• KT-55682 Serialization: "IllegalStateException: Function has no body: FUN name:serializer" with 1.8.0

Tools. Gradle

• KT-55697 KGP 1.8.0 adds compileOnly dependencies to unit test compile classpath

Tools. Gradle. Multiplatform

• KT-55730 MPP / Gradle: compileKotlinMetadata fails to resolve symbols in additional source sets

Tools. Gradle. Native

• KT-56280 Gradle: freeCompilerArgs are no longer propagated from compilations to Native binaries

Tools. Kapt

• KT-48013 Kapt generates illegal stubs for private interface methods

Checksums

File	Sha256
kotlin-compiler-1.8.10.zip	4c3fa7bc1bb9ef3058a2319d8bcc3b7196079f88e92fdcd8d304a46f4b6b5787
kotlin-native-linux-x86_64-1.8.10.tar.gz	4c5c8a82a63a3a9845be2514d536ca407340db7fc558b97c43ed003f866a9742
kotlin-native-macos-x86_64-1.8.10.tar.gz	52ea7cf2dfaae058fc00fc4e00ec89fefe5a7e4c83abeadb7531cc9346ff18db
kotlin-native-macos-aarch64-1.8.10.tar.gz	08cef514e9d582b0e7bcf3f592dd853270b535a4b765555db97381aeb8c92a85
kotlin-native-windows-x86_64-1.8.10.zip	e8b9a04f0df3cdec6fa360a6781723fc8551e93c70dfd1aaffbd282b7cddc19d

Kotlin 1.8.0

Changelog

Analysis API

• KT-50255 Analysis API: Implement standalone mode for the Analysis API

Analysis API. FIR

• KT-54292 Symbol Light classes: implement PsiVariable.computeConstantValue for light field
• KT-54293 Analysis API: fix constructor symbol creation when its accessed via type alias

Android

• KT-53342 TCS: New AndroidSourceSet layout for multiplatform
• KT-53013 Increase AGP compile version in KGP to 4.1.3
• KT-54013 Report error when using deprecated Kotlin Android Extensions compiler plugin
• KT-53709 MPP, Android SSL2: Conflicting warnings for androidTest/kotlin source set folder

Backend. Native. Debug

• KT-53561 Invalid LLVM module: "inlinable function call in a function with debug info must have a !dbg location"

Compiler

New Features

• KT-52817 Add @JvmSerializableLambda annotation to keep old behavior of non-invokedynamic lambdas
• KT-54460 Implementation of non-local break and continue
• KT-53916 Support Xcode 14 and new Objective-C frameworks in Kotlin/Native compiler
• KT-32208 Generate method annotations into bytecode for suspend lambdas (on invokeSuspend)
• KT-53438 Introduce a way to get SourceDebugExtension attribute value via JVMTI for profiler and coverage

Performance Improvements

• KT-53347 Get rid of excess allocations in parser
• KT-53689 JVM: Optimize equality on class literals
• KT-53119 Improve String Concatenation Lowering

Fixes

• KT-53465 Unnecessary checkcast to array of reified type is not optimized since Kotlin 1.6.20
• KT-49658 NI: False negative TYPE_MISMATCH on nullable type with when
• KT-48162 NON_VARARG_SPREAD isn't reported on *toTypedArray() call
• KT-43493 NI: False negative: no compilation error "Operator '==' cannot be applied to 'Long' and 'Int'" is reported in builder inference lambdas
• KT-54393 Change in behavior from 1.7.10 to 1.7.20 for java field override.
• KT-55357 IllegalStateException when reading a class that delegates to a Java class with a definitely-not-null type with a flexible upper bound
• KT-55068 Kotlin Gradle DSL: No mapping for symbol: VALUE_PARAMETER SCRIPT_IMPLICIT_RECEIVER on JVM IR backend
• KT-51284 SAM conversion doesn't work if method has context receivers
• KT-48532 Remove old JVM backend
• KT-55065 Kotlin Gradle DSL: Reflection cannot find class data for lambda, produced by JVM IR backend
• KT-53270 K1: implement synthetic Enum.entries property
• KT-52823 Cannot access class Thread.State after upgrading to 1.7 from 1.6.1 using -Xjdk-release=1.8
• KT-55108 IR interpreter: Error occurred while optimizing an expression: VARARG
• KT-53547 Missing fun IrBuilderWithScope.irFunctionReference
• KT-54884 "StackOverflowError: null" caused by Enum constant name in constructor of the same Enum constant
• KT-47475 "IncompatibleClassChangeError: disagree on InnerClasses attribute": cross-module inlined WhenMappings has mismatched InnerClasses
• KT-55013 State checker use-after-free with XCode 14.1
• KT-54802 "VerifyError: Bad type on operand stack" for inline functions on arrays
• KT-54707 "VerifyError: Bad type on operand stack" in inline call chain on a nullable array value
• KT-48678 Coroutine debugger: disable "was optimised out" compiler feature
• KT-54745 Restore KtToken constructors without tokenId parameter to preserve back compatibility
• KT-54650 Binary incompatible ABI change in Kotlin 1.7.20
• KT-52786 Frontend / K2: IndexOutOfBoundsException when opting in to K2
• KT-54004 Builder type inference does not work correctly with variable assignment and breaks run-time
• KT-54581 JVM: "VerifyError: Bad type on operand stack" with generic inline function and when inside try-catch block
• KT-53794 IAE "Unknown visibility: protected/protected and package/" on callable reference to protected member of Java superclass
• KT-54600 NPE on passing nullable Kotlin lambda as Java's generic SAM interface with super type bound
• KT-54463 Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate
• KT-54509 Ir Interpreter: unable to evaluate string concatenation with "this" as argument
• KT-54615 JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression
• KT-53146 JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtime
• KT-53712 Add mode to prevent generating JVM 1.8+ annotation targets (TYPE_USE, TYPE_PARAMETER)
• KT-54366 K2: no JVM BE specific diagnostics (in particular CONFLICTING_JVM_DECLARATIONS) in 1.8
• KT-35187 NullPointerException on compiling suspend inline fun with typealias to suspend function type
• KT-54275 K2: "IllegalArgumentException: KtParameter is not a subtype of class KtAnnotationEntry for factory REPEATED_ANNOTATION"
• KT-53656 "IllegalStateException: typeParameters == null for SimpleFunctionDescriptorImpl" with recursive generic type parameters
• KT-46727 Report warning on contravariant usages of star projected argument from Java
• KT-53197 K2: 'init' hides member of supertype 'UIComponent' and needs 'override' modifier
• KT-53867 K2: @JvmRecord does not compile to a java record
• KT-53964 K2 is unable to work with Java records
• KT-53349 K2: TYPE_MISMATCH caused by non-local return
• KT-54100 "Type variable TypeVariable(P) should not be fixed" crash in code with errors
• KT-54212 K2: cannot calculate implicit property type
• KT-53699 K2: Exception during IR lowering in code with coroutines
• KT-54192 Warn about unsupported feature on generic inline class parameters
• KT-53723 Friend modules aren't getting passed to cache build during box tests
• KT-53873 K2: Duplicated diagnostics reported from user type ref checkers
• KT-50909 "VerifyError: Bad type on operand stack" caused by smartcasting for nullable inline class property in class
• KT-54115 Restore Psi2IrTranslator constructor from 1.7.20
• KT-53908 K2: Self-referencing generics in Java class causes New Inference Error (IE: class Foo<T extends Foo>)
• KT-53193 K2: compile error on project that compiles fine with normal 1.7.10
• KT-54062 K2 Invalid serialization for type-aliased suspend function type with extension receiver
• KT-53953 Forbid usages of super or super if in fact it accesses an abstract member
• KT-47473 NI: Missed UPPER_BOUND_VIOLATED diagnostics if use ty...

Kotlin 1.8.0-RC2

Changelog

Compiler

• KT-55357 IllegalStateException when reading a class that delegates to a Java class with a definitely-not-null type with a flexible upper bound
• KT-55068 Kotlin Gradle DSL: No mapping for symbol: VALUE_PARAMETER SCRIPT_IMPLICIT_RECEIVER on JVM IR backend
• KT-51284 SAM conversion doesn't work if method has context receivers
• KT-55065 Kotlin Gradle DSL: Reflection cannot find class data for lambda, produced by JVM IR backend

Tools. Compiler plugins. Serialization

• KT-55340 Argument for kotlinx.serialization.UseSerializers does not implement KSerializer or does not provide serializer for concrete type

Tools. Gradle

• KT-55334 kaptGenerateStubs passes wrong android variant module names to compiler
• KT-55255 Gradle: stdlib version alignment fails build on dynamic stdlib version.
• KT-55363 [K1.8.0-Beta] Command line parsing treats plugin parameters as source files

Checksums

File	Sha256
kotlin-compiler-1.8.0-RC2.zip	149492cac31a94e8ee5173035520bb31286f6f6eb004cc0306b47127f7a72ce9
kotlin-native-linux-x86_64-1.8.0-RC2.tar.gz	859031d2f8dc86398a3484a9103eea3dffbe546be658063bff69913c2d1d7233
kotlin-native-macos-x86_64-1.8.0-RC2.tar.gz	cb25632ddc061c04a0a7a23a3afdf9dcc5a8c5d4a536fd8b5396be700ad87b38
kotlin-native-macos-aarch64-1.8.0-RC2.tar.gz	9ba55a4e4ca3fc263d9758bd5f5ded732c0ef53fae7920a495715907c9a43c33
kotlin-native-windows-x86_64-1.8.0-RC2.zip	2c6a2b11523929563845b945faa8b7c481727d0408d18e41dcd48bf6bdf7e570

Kotlin 1.8.0-RC

Changelog

Compiler

• KT-55108 IR interpreter: Error occurred while optimizing an expression: VARARG
• KT-54884 "StackOverflowError: null" caused by Enum constant name in constructor of the same Enum constant
• KT-55013 State checker use-after-free with XCode 14.1
• KT-54275 K2: "IllegalArgumentException: KtParameter is not a subtype of class KtAnnotationEntry for factory REPEATED_ANNOTATION"

JavaScript

• KT-55097 KJS / IR + IC: Using an internal function from a friend module throws an unbound symbol exception
• KT-54934 KJS / IR + IC: Suspend abstract function stubs are generated with unstable lowered ic signatures
• KT-54895 KJS / IR + IC: broken cross module references for function default param wrappers

Language Design

• KT-48516 Forbid @Synchronized annotation on suspend functions

Libraries

• KT-54835 Document that Iterable.all(emptyCollection) returns TRUE.
• KT-54168 Expand on natural order in comparator docs

Native. Platform Libraries

• KT-54225 Native: update to Xcode 14.1

Tools. Compiler plugins. Serialization

• KT-55296 Improve exceptions in serialization plugin
• KT-55180 KJS: regression in serialization for Kotlin 1.8.0-beta
• KT-54878 JVM/IR: java.lang.ClassCastException: class org.jetbrains.kotlin.ir.types.impl.IrStarProjectionImpl cannot be cast to class org.jetbrains.kotlin.ir.types.IrTypeProjection on serializer<Box<*>>()

Tools. Gradle

• KT-50115 Setting toolchain via Java extension does not configure 'kotlinOptions.jvmTarget' value when Kotlin compilation tasks are created eagerly
• KT-55222 Migrate AndroidDependencyResolver to the new Gradle API
• KT-54993 Raise kotlin.jvm.target.validation.mode check default level to error when build is running on Gradle 8+
• KT-54995 [1.8.0-Beta] compileAppleMainKotlinMetadata fails on default parameters with No value passed for parameter 'mustExist'
• KT-45335 kotlinOptions.jvmTarget conflicts with Gradle variants
• KT-55019 Gradle sync: UnknownConfigurationException when adding implementation dependencies to a Kotlin with Java compilation
• KT-55004 jvmTarget value is ignored by depending modules if a task "UsesKotlinJavaToolchain" is configured for all project modules using allProjects {}
• KT-54888 Add Gradle property to suppress kotlinOptions.freeCompilerArgs modification on execution phase

Tools. Gradle. JS

• KT-55099 K/JS: Second declaration of JS target without compiler type report warning incorrectly

Tools. Gradle. Multiplatform

• KT-54634 MPP: Test Failure causes: KotlinJvmTest$Executor$execute$1 does not define failure

Tools. Incremental Compile

• KT-54144 New IC: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing an inline function with custom JvmName

Checksums

File	Sha256
kotlin-compiler-1.8.0-RC.zip	20437cf085cfc1e70d63ba0be9034db1c4dd9f280872b626213f974b130b8dfe
kotlin-native-linux-x86_64-1.8.0-RC.tar.gz	195b2ef759a28138df5e305259b77b3512ad1942c3aaed2dd2cba54235ac693f
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kotlin-native-windows-x86_64-1.8.0-RC.zip	d38a39e1e53bba5bdb5f52a04e55dca360dcc527434d2c5c338c92ba1bf03b6a

Kotlin 1.7.22

This is a technical release. It doesn't contain any fixes that aren't included in Kotlin 1.7.21.
Version 1.7.22 of the Kotlin plugin will not be available for downloading or installing in any IDEs.

Checksums

File	Sha256
kotlin-compiler-1.7.22.zip	9db4b467743c1aea8a21c08e1c286bc2aeb93f14c7ba2037dbd8f48adc357d83
kotlin-native-linux-x86_64-1.7.22.tar.gz	dd004d520056aba67f2955a3bec5af75f8f2d78b179d4b5f733a77e3eef57aff
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kotlin-native-windows-x86_64-1.7.22.zip	3bccd23479848ec61c56ed5760010456d17acbe88a00a1f10fb38eae256f2e92

Kotlin 1.8.0-Beta

1.8.0-Beta

Android

• KT-53013 Increase AGP compile version in KGP to 4.1.3
• KT-53709 MPP, Android SSL2: Conflicting warnings for androidTest/kotlin source set folder

Backend. Native. Debug

• KT-53561 Invalid LLVM module: "inlinable function call in a function with debug info must have a !dbg location"

Compiler

New Features

• KT-53916 Support Xcode 14 and new Objective-C frameworks in Kotlin/Native compiler
• KT-54460 Implementation of non-local break and continue
• KT-32208 Generate method annotations into bytecode for suspend lambdas (on invokeSuspend)
• KT-53438 Introduce a way to get SourceDebugExtension attribute value via JVMTI for profiler and coverage

Performance Improvements

• KT-53347 Get rid of excess allocations in parser
• KT-53689 JVM: Optimize equality on class literals

Fixes

• KT-52974 "IllegalStateException: Symbol with IrSimpleFunctionSymbolImpl is unbound" compiling native targets of MPP project
• KT-48678 Coroutine debugger: disable "was optimised out" compiler feature
• KT-54745 Restore KtToken constructors without tokenId parameter to preserve back compatibility
• KT-54650 Binary incompatible ABI change in Kotlin 1.7.20
• KT-52786 Frontend / K2: IndexOutOfBoundsException when opting in to K2
• KT-54004 Builder type inference does not work correctly with variable assignment and breaks run-time
• KT-54581 JVM: "VerifyError: Bad type on operand stack" with generic inline function and when inside try-catch block
• KT-52913 JVM / IR: "IllegalArgumentException: Inline class types should have the same representation" when trying to down cast cast a value class
• KT-54600 NPE on passing nullable Kotlin lambda as Java's generic SAM interface with super type bound
• KT-54463 Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate
• KT-54509 Ir Interpreter: unable to evaluate string concatenation with "this" as argument
• KT-54393 Change in behavior from 1.7.10 to 1.7.20 for java field override.
• KT-54615 JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression
• KT-53146 JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtime
• KT-51868 JVM / IR: Inconsistent behaviour between lambda expression and SAM interface conversion for the same interface
• KT-53947 IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER
• KT-53712 Add mode to prevent generating JVM 1.8+ annotation targets (TYPE_USE, TYPE_PARAMETER)
• KT-48532 Remove old JVM backend
• KT-35187 NullPointerException on compiling suspend inline fun with typealias to suspend function type
• KT-54275 K2: "IllegalArgumentException: KtParameter is not a subtype of class KtAnnotationEntry for factory REPEATED_ANNOTATION"
• KT-47475 "IncompatibleClassChangeError: disagree on InnerClasses attribute": cross-module inlined WhenMappings has mismatched InnerClasses
• KT-53197 K2: 'init' hides member of supertype 'UIComponent' and needs 'override' modifier
• KT-53867 K2: @JvmRecord does not compile to a java record
• KT-53964 K2 is unable to work with Java records
• KT-53349 K2: TYPE_MISMATCH caused by non-local return
• KT-54100 "Type variable TypeVariable(P) should not be fixed" crash in code with errors
• KT-49017 Forbid usages of super or super if in fact it accesses an abstract member
• KT-54192 Warn about unsupported feature on generic inline class parameters
• KT-53723 Friend modules aren't getting passed to cache build during box tests
• KT-53873 K2: Duplicated diagnostics reported from user type ref checkers
• KT-50909 "VerifyError: Bad type on operand stack" caused by smartcasting for nullable inline class property in class
• KT-48031 "IllegalStateException: Type variable TypeVariable(T) should not be fixed!"
• KT-54115 Restore Psi2IrTranslator constructor from 1.7.20
• KT-53908 K2: Self-referencing generics in Java class causes New Inference Error (IE: class Foo<T extends Foo>)
• KT-53193 K2: compile error on project that compiles fine with normal 1.7.10
• KT-53953 Forbid usages of super or super if in fact it accesses an abstract member
• KT-47473 NI: Missed UPPER_BOUND_VIOLATED diagnostics if use type aliases with type parameters
• KT-54049 K2: false positive MANY_IMPL_MEMBER_NOT_IMPLEMENTED
• KT-30054 Wrong approximation if nullable anonymous object with implemented interface is used
• KT-53751 Postpone IgnoreNullabilityForErasedValueParameters feature
• KT-53324 Implement Enum.entries lowering on K/N
• KT-44441 K2: report redeclaration error if there is a Java class with the same name as the Kotlin class
• KT-53493 K2: val on function parameter counts as just warning
• KT-53435 K2: "IllegalArgumentException: class KtValueArgument is not a subtype of class KtExpression for factory ANNOTATION_ARGUMENT_MUST_BE_CONST" if string in nested annotation is concatenated
• KT-52927 AssertionError: LambdaKotlinCallArgumentImpl
• KT-53922 Make Enum.entries unstable feature to poison binaries
• KT-53783 Exception during psi2ir when declaring expect data object
• KT-41670 JVM IR: AbstractMethodError when using inheritance for fun interfaces
• KT-53178 K2: implement diagnostics for serialization plugin
• KT-53465 Unnecessary checkcast to array of reified type is not optimized since Kotlin 1.6.20
• KT-52970 Default value constant in companion object works on JVM and JS, but fails on native
• KT-27936 Write InnerClasses attribute for all class names used in a class file
• KT-53007 JVM: "Bad invokespecial instruction: current class isn't assignable to reference class" when call superclass of outer class method from inner class
• KT-53261 Evaluate effect from inline for primitive types
• KT-39492 Kotlin.Metadata's packageName field cannot be an empty string
• KT-53664 Ir Interpreter: unable to evaluate name of function reference marked with JvmStatic from another module
• KT-52478 [Native] Partial linkage: Building native binary from cached KLIBs fails if one library depends on removed nested callable member from another one
• KT-53667 Compiler crashes on attempt to alloc a string on the stack in new MM
• KT-48822 CompilationException: Back-end (JVM) Internal error: Failed to generate expression: KtProperty - ConcurrentModificationException
• KT-50281 IllegalStateException: unsupported c...

Kotlin 1.7.21

Changelog

Compiler

• KT-54463 Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate
• KT-54509 Ir Interpreter: unable to evaluate string concatenation with "this" as argument
• KT-54004 Builder type inference does not work correctly with variable assignment and breaks run-time
• KT-54393 Change in behavior from 1.7.10 to 1.7.20 for java field override.
• KT-54615 JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression
• KT-54581 JVM: "VerifyError: Bad type on operand stack" with generic inline function and when inside try-catch block
• KT-53146 JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtime
• KT-54600 NPE on passing nullable Kotlin lambda as Java's generic SAM interface with super type bound
• KT-54707 "VerifyError: Bad type on operand stack" in inline call chain on a nullable array value
• KT-54650 Binary incompatible ABI change in Kotlin 1.7.20
• KT-54802 "VerifyError: Bad type on operand stack" for inline functions on arrays

Native. Runtime. Memory

• KT-54498 Deprecation message of 'FreezingIsDeprecated' is not really helpful

Tools. Gradle. Multiplatform

• KT-54387 Remove MPP alpha stability warning
• KT-48436 False positive "The Kotlin source set androidAndroidTestRelease was configured but not added to any Kotlin compilation"

Tools. JPS

• KT-45474 False positive NO_ELSE_IN_WHEN on sealed class with incremental compilation

Checksums

File	Sha256
kotlin-compiler-1.7.21.zip	8412b31b808755f0c0d336dbb8c8443fa239bf32ddb3cdb81b305b25f0ad279e
kotlin-native-linux-x86_64-1.7.21.tar.gz	0f9eb04a5ee0665a195c1f1093c778f5696216660feb638b29f923f586093dd0
kotlin-native-macos-x86_64-1.7.21.tar.gz	9530cadcf05cfd6111ef35725115009283b1a0292427261b78d43853c35ccd44
kotlin-native-macos-aarch64-1.7.21.tar.gz	f75e1a68e193b0cd9df56f15166fb4e721641b408065531b620cf204d78922e5
kotlin-native-windows-x86_64-1.7.21.zip	5e76301f6c386ea83dc668e171887244908c18da636f7237d5371b56d8fec8da