ChangeLog.md

1.8.0

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 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-53807 No warning about declaringClass on an enum value
• 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-53622 [OVERLOAD_RESOLUTION_AMBIGUITY] when enum entry called 'entries' is present in K2
• KT-41670 JVM IR: AbstractMethodError when using inheritance for fun interfaces
• KT-53178 K2: implement diagnostics for serialization plugin
• KT-53804 Restore old and incorrect logic of generating InnerClasses attributes for kotlin-stdlib
• KT-52970 Default value constant in companion object works on JVM and JS, but fails on native
• KT-51114 FIR: Support DNN checks
• KT-27936 Write InnerClasses attribute for all class names used in a class file
• KT-53719 Parsing regression on function call with type arguments and labeled lambda
• KT-53261 Evaluate effect from inline for primitive types
• KT-53706 K2: Context receivers are not resolved on properties during type resolution stage
• 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-48822 CompilationException: Back-end (JVM) Internal error: Failed to generate expression: KtProperty - ConcurrentModificationException
• KT-50281 IllegalStateException: unsupported call of reified inlined function
• KT-50083 Different error messages in android and JVM (Intrinsics.checkNotNullParameter).
• KT-53236 Support Enum.entries codegen on JVM/IR BE
• KT-41017 FIR: should we support smartcast after null check
• KT-53202 "ISE: Descriptor can be left only if it is last" after direct invoke optimization on a capturing lambda
• KT-46969 @BuilderInference with nested DSL scopes cause false-positive scope violation in Kotlin 1.5
• KT-53257 FIR: Improper context receiver argument is chosen when there are two extension receiver candidates
• KT-53090 Anonymous function and extension function literals are generated as classes even with -Xlambdas=indy
• KT-53208 K2: Cannot get annotation for default interface method parameter when compiled with -Xuse-k2
• KT-53184 K2: NoSuchMethodError on KProperty1.get() referenced via nullable typealias
• KT-53198 K2: Return type mismatch: expected kotlin/Unit, actual kotlin/Unit?
• KT-53100 Optimization needed: (CONSTANT_PRIMITIVE(x: T?)) => x
• KT-49875 [FIR] Support infering PRIVATE_TO_THIS visibility
• KT-53024 Refactor FIR renderer to composable architecture
• KT-50995 [FIR] Support SAM with receiver plugin
• KT-53148 K1: introduce warning for inline virtual member in enum
• KT-49847 Devirtualization fails to eliminate boxing in function reference context
• KT-52875 Extension function literal creation with -Xlambdas=indy fails with incorrect arguments
• KT-53072 INVALID_IF_AS_EXPRESSION error isn't shown in the IDE (LV 1.8)
• KT-52985 Native: a function with type T? returned a kotlin.Unit instead of null
• KT-52020 FIR warning message includes internal rendering
• KT-48778 -Xtype-enhancement-improvements-strict-mode not respecting @NonNull annotation for property accesses?

IDE

Fixes

• KTIJ-22357 CCE “class org.jetbrains.kotlin.fir.types.impl.FirImplicitTypeRefImpl cannot be cast to class org.jetbrains.kotlin.fir.types.FirResolvedTypeRef” in K2
• KT-55150 Argument for @NotNull parameter 'scope' of org/jetbrains/kotlin/resolve/AnnotationResolverImpl.resolveAnnotationType must not be null
• KTIJ-22165 IDE notification to promote users to migrate to the new Kotlin/JS toolchain
• KTIJ-22166 IDE notification (or something else) about JPS and Maven support for Kotlin/JS is deprecated
• KT-53543 Rework light classes for file facade
• KT-48773 Investigate the possibility of removing dependency on old JVM backend in light classes
• KTIJ-19699 IDE: False positive type mismatch in Java code for Kotlin nested class non-direct inheritor from external library
• KT-51101 FIR IDE: Exception on "Show Type Info" action
• KTIJ-22295 MPP, IDE: False positive UPPER_BOUND_VIOLATED when JVM module implements the generic interface from MPP module and the type parameter is not equal to itself.
• KT-51656 FIR IDE: ProgressCancelled exception is masked in the compiler during resolve
• KT-51315 FIR IDE: move out base modules from fe10 plugin to reuse in k2 plugin
• KTIJ-22323 K2: ISE during resolve of stdlib calls from the stdlib
• KTIJ-21391 Generate -> Override methods : don't delegate to abstract methods
• KT-53097 Extract common part of light classes to another module
• KTIJ-22354 FIR LC: annotation owner is always null
• KTIJ-22157 Kotlin call resolver leaks user code when reporting exception

IDE. Completion

• KTIJ-22552 Kotlin: 'for loop' postfix completion doesn't work - "Fe10SuggestVariableNameMacro must be not requested from main classloader"
• KTIJ-22503 Support code completion for data objects

IDE. Debugger

• KT-51755 Compilation exception with scripting compilation during debug session
• KTIJ-21963 Debugger / IR: Expression evaluation of the debugger doesn't work

IDE. Decompiler, Indexing, Stubs

• KTIJ-22750 Initialize Kotlin stub element types lazily
• KTIJ-18094 IDE: "AssertionError: Stub count doesn't match stubbed node length" with minified Android AAR library
• KTIJ-17632 IndexOutOfBoundsException: Cannot decompile a class located in minified AAR

IDE. Gradle Integration

• KT-48135 In the IDE import, reuse dependency granular source set KLIBs across multi-project build to avoid duplicate external libraries
• KTIJ-22345 False positive unresolved reference for members of subclasses of expect classes.
• KT-53514 HMPP: False positive for None of the following functions can be called with the arguments supplied. with Enum in common module
• KT-51583 Gradle 7.4+ | SamplesVariantRule interference: Could not resolve all files for configuration ':kotlinKlibCommonizerClasspath'
• KTIJ-21077 Dependency matrix does not work with Jetpack compose / multiplatform projects

IDE. Inspections and Intentions

• KTIJ-19531 Adapt changes about new rules for method implementation requirements
• KTIJ-22087 Support IDE inspections for upcoming data objects
• KTIJ-20510 Quick fix to implement and call correct super method in case of inheritance with defaults
• KTIJ-20170 Provide quickfix for deprecated resolution to private constructor of sealed class
• KTIJ-22630 FIR IDE: Lazy resolve exception after invocation of Override members action on value class
• KT-49643 Intentions: "Implement members" fails when base type function declaration uses unresolved generic types

IDE. JS

• KTIJ-22167 Make JS IR default in projects created by wizard
• KTIJ-22332 Wizard: Kotlin/JS projects: cssSupport DSL should be updated

IDE. KDoc

• KTIJ-22324 K2 IDE: implement reference resolve inside KDocs

IDE. Multiplatform

• KTIJ-19566 New Project Wizard: Update HMPP-related flags in multiplatform wizards

IDE. Navigation

• KT-51314 FIR IDE: show Kotlin declarations in search symbol
• KTIJ-22755 Find usage for constructor from kotlin library doesn't work for secondary constructor usages

IDE. Script

• KTIJ-22598 Add warning for standalone scripts in source roots
• KT-54325 .settings.gradle.kts and .init.gradle.kts are reported as standalone scripts

IDE. Structural Search

• KTIJ-21986 KSSR: "CodeFragment with non-kotlin context should have fakeContextForJavaFile set: originalContext = null" warning shows up when replacing

IDE. Tests Support

• KT-50269 FIR IDE: Allow running tests via gutter

IDE. Wizards

• KTIJ-23537 Wizard: projects with Android modules require higher sdkCompileVersion
• KTIJ-23525 Wizard: Compose multiplatform: project won't build and require higher compileSdkVersion
• KTIJ-22763 New Project Wizard: remove deprecated Android extensions plugin from Android target in the project constructor
• KTIJ-22481 Wizard: Kotlin -> Browser application (gradle groove). Build error

JavaScript

Fixes

• KT-55097 KJS / IR + IC: Using an internal function from a friend module throws an unbound symbol exception
• KT-54406 Kotlin/JS: build with dependencies fails with "Could not find "kotlin" in [~/.local/share/kotlin/daemon]"
• KT-53074 Make JS IR BE default in toolchain (gradle & CLI)
• KT-50589 UTF-8 Instability in kotlin.js.map
• 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
• KT-54520 KJS / IR Allow IdSignature clashes
• KT-54120 JS IR + IC: pointless invalidation of dependent code after modifying companions
• KT-53986 KJS / IR + IC: compiler produces different JS file names with IC and without IC
• KT-54010 JS IR + IC: Force IC cache invalidation after updating language version or features
• KT-53931 KJS / Gradle: Regression with 1.7.20-RC: ReferenceError: println is not defined
• KT-53968 Kotlin/JS: no UninitializedPropertyAccessException on access to non-initialized lateinit property defined in dependencies
• KT-54686 KJS / IR: Incorrect generation of signatures when one of argument is nested class
• KT-54479 KJS / IR + IC: Adding or removing companion fields leads java.lang.IllegalStateException in the compiler IC infrastructure
• KT-54382 KJS / IR: Wrong type check for inheritors of suspend functions
• KT-54323 KJS / IR + IC: Intrinsics from stdlib may lose their dependencies in incremental rebuild
• KT-53361 KJS / IR: No debug info is generated for in-line js code
• KT-53321 Implement Enum.entries lowering on JS/IR
• KT-53112 KJS IR turn on IC infra by default
• KT-50503 Kotlin/JS: IR + IC: compileTestDevelopmentExecutableKotlinJs fails with ISE: "Could not find library" after removing module dependency
• KT-54011 JS IR + IC: EnumEntries don't work well when IC is enabled
• KT-53672 KJS / IR: "IndexOutOfBoundsException: Index 0 out of bounds for length 0" caused by function reference to extension function of reified type variable
• KT-43455 KJS: IR. Incremental compilation problem with unbound symbols
• KT-53539 KJS: Exported class inherited non-exported class shows warning
• KT-53443 KJS/IR: NullPointerException caused by anonymous objects inside lambdas
• KT-52795 K/JS and K/Native IR-validation/compilation errors for a valid kotlin code
• KT-52805 KJS/IR: Invalid call of inline function in also block
• KT-51151 KJS / IR: Wrong overloaded generic method with receiver is called
• KT-52830 KJS/IR: Sourcemap disabling doesn't work
• KT-52968 KJS / IR: Buggy generation of overridden methods
• KT-53063 KJS / IR + IC: undefined cross module reference for implemented interface functions
• KT-51099 KJS / IR + IC: Cache invalidation doesn't check generic class variance annotations (in, out)
• KT-51090 KJS / IR + IC: Cache invalidation doesn't check suspend qualifier
• KT-51088 KJS / IR + IC: Cache invalidation doesn't check class qualifiers (data, inline)
• KT-51083 KJS / IR + IC: Cache invalidation doesn't check inline function which was non inline initially
• KT-51896 KJS / IR + IC: Cache invalidation doesn't trigger rebuild for fake overridden inline functions

Language Design

• KT-48385 Deprecate confusing grammar in when-with-subject
• KT-48516 Forbid @Synchronized annotation on suspend functions
• KT-41886 Ability to require opt-in for interface implementation, but not for usage
• KT-34943 OVERLOAD_RESOLUTION_AMBIGUITY inconsistent with the equivalent Java code
• KT-51334 Implement type-bound label this@Type

Libraries

New Features

• KT-21007 Provide Kotlin OSGI Bundle with extensions for JRE8 (and JRE7)
• KT-54082 Comparable and subtractible TimeMarks
• KT-52928 Provide copyToRecursively and deleteRecursively extension functions for java.nio.file.Path
• KT-49425 Update OptIn documentation to reflect latest design changes
• KT-54005 Allow calling declaringJavaClass on Enum
• KT-52933 rangeUntil members in built-in types

Performance Improvements

• KT-53508 Cache typeOf-related KType instances when kotlin-reflect is used

Fixes

• KT-51907 Switch JVM target of the standard libraries to 1.8
• KT-54835 Document that Iterable.all(emptyCollection) returns TRUE.
• KT-54168 Expand on natural order in comparator docs
• KT-53277 Stabilize experimental API for 1.8
• KT-53864 Review deprecations in stdlib for 1.8
• KT-47707 Remove the system property and the brittle contains optimization code itself
• KT-52336 Different behavior on JVM and Native in stringBuilder.append(charArray, 0, 1)
• KT-53927 Remove deprecation from ConcurrentModificationException constructors
• KT-53152 Introduce EnumEntries to stdlib as backing implementation of Enum.entries
• KT-53134 stdlib > object Charsets > not thread safe lazy initialization
• KT-51063 Gradle project with JPS runner: "JUnitException: Failed to parse version" JUnit runner internal error with JUnit
• KT-52908 Native: setUnhandledExceptionHook swallows exceptions

Native

• KT-51043 Kotlin Native: ObjC-Interop: kotlin.ClassCastException: null cannot be cast to kotlin.Function2
• KT-50786 Native: prohibit suspend calls inside autoreleasepool {}
• KT-52834 Implement test infrastructure for K2/Native

Native. C Export

• KT-36878 Reverse C Interop: incorrect headers generation for primitive unassigned type arrays
• KT-53599 [Reverse C Interop] Provide box/unbox API for unsigned primitive types
• KT-41904 Kotlin/Native : error: duplicate member for interface and function with the same name
• KT-42830 [Reverse C Interop] Add API to get value of boxed primitives
• KT-39496 K/N C: optional unsigned types as function parameters crash the compiler
• KT-39015 Cannot compile native library with nullable inline class

Native. C and ObjC Import

• KT-54738 Cocoapods cinterop: linking platform.CoreGraphics package
• KT-54001 Kotlin/Native: support header exclusion in cinterop def files
• KT-53151 Native: Custom declarations in .def don't work with modules, only headers

Native. ObjC Export

• KT-53680 Obj-C refinement annotations
• KT-54119 Native: runtime assertion failed due to missing thread state switch
• KT-42641 Don't export generated component* methods from Kotlin data classes to Obj-C header

Native. Platform Libraries

• KT-54225 Native: update to Xcode 14.1
• KT-54164 Native: commonizer fails on CoreFoundation types
• KT-39747 Why is there no WinHttp API in Kotlin/Native's Windows API?

Native. Runtime

• KT-49228 Kotlin/Native: Allow to unset unhandled exception hook
• KT-27305 Fix FILE macro inside RuntimeCheck and RuntimeAssert

Native. Runtime. Memory

• KT-54498 Deprecation message of 'FreezingIsDeprecated' is not really helpful
• KT-53182 New memory manager: Unexpected memory usage on IOS

Native. Stdlib

• KT-52429 Small Usability Improvements for Worker API

Reflection

• KT-54629 Incorrectly cached class classifier
• KT-54611 KTypeImpl does not take into account class loader from the classifier property
• KT-48136 Make Reflection.getOrCreateKotlinPackage use cache when kotlin-reflect is used
• KT-50705 Use ClassValue to cache KClass objects in kotlin-reflect
• KT-53454 Properly cache the same class's KClass when it's loaded by multiple classloaders in getOrCreateKotlinClass

Specification

• KT-54210 Update Kotlin specification to mention that since 1.8 generics in value classes are allowed

Tools. CLI

• KT-54116 Add JVM target bytecode version 19
• KT-53278 Support values 6 and 8 for -Xjdk-release
• KT-46312 CLI: Kotlin runner should use platform class loader to load JDK modules on Java 9+

Tools. Commonizer

• KT-54310 Commonizer fails on 1.8.0-dev K/N distributions
• KT-48576 [Commonizer] platform.posix.pselect not commonized in Ktor

Tools. Compiler Plugins

• KT-46959 Kotlin Lombok: Support generated builders (@Builder)
• KT-53683 Unresolved reference compilation error occurs if a file is annotated with @ Singular and has any guava collection type : ImmutableTable, ImmutableList or else
• KT-53657 [K2] Unresolved reference compilation error occurs if a field is annotated with @ Singular and has type NavigableMap without explicit types specification
• KT-53647 [K2] Unresolved reference compilation error occurs if a field is annotated with @ Singular and has type Iterable<>
• KT-53724 Param of the @ Singular lombok annotation ignoreNullCollections=true is ignored by kotlin compiler
• KT-53451 [K2] References to methods generated by @ With lombok annotation can't be resolved with enabled K2 compiler
• KT-53721 [K2] There is no compilation error while trying to add null as a param of the field with non-null type
• KT-53370 Kotlin Lombok compiler plugin can't resolve methods generated for java boolean fields annotated with @ With annotation

Tools. Compiler plugins. Serialization

• 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<*>>()
• KT-55340 Argument for kotlinx.serialization.UseSerializers does not implement KSerializer or does not provide serializer for concrete type
• KT-55296 Improve exceptions in serialization plugin
• KT-55180 KJS: regression in serialization for Kotlin 1.8.0-beta
• KT-53157 Recursion detected in a lazy value under LockBasedStorageManager in kotlinx.serialization
• KT-54297 Regression in serializable classes with star projections
• KT-49660 kotlinx.serialization: IndexOutOfBoundsException for parameterized sealed class
• KT-43910 JS IR: Serialization with base class: "IndexOutOfBoundsException: Index 0 out of bounds for length 0"

Tools. Daemon

• KT-52622 Kotlin/JS, Kotlin/Common compilations start Kotlin daemon incompatible with Kotlin/JVM compilation on JDK 8

Tools. Gradle

New Features

• KT-27301 Expose compiler flags via Gradle lazy properties
• KT-53357 Change single build metrics property
• KT-50673 Gradle: KotlinCompile task(s) should use @NormalizeLineEndings
• KT-34464 Kotlin build report path not clickable in the IDE

Performance Improvements

• KT-51525 [Gradle] Optimize evaluating args for compile tasks
• KT-52520 Remove usage of reflection from CompilerArgumentsGradleInput

Fixes

• KT-48843 Add ability to disable Kotlin daemon fallback strategy
• 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
• KT-54993 Raise kotlin.jvm.target.validation.mode check default level to error when build is running on Gradle 8+
• KT-54136 Duplicated classes cause build failure if a dependency to kotlin-stdlib specified in an android project
• 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-55119 There is no validation for different jvmTarget and targetCompatibility values in multiplatform projects with jvm target and used java sources
• KT-55102 Compile java task fails with different target version in pure kotlin project
• KT-54995 [1.8.0-Beta] compileAppleMainKotlinMetadata fails on default parameters with No value passed for parameter 'mustExist'
• KT-35003 Automatically set targetCompatibility for kotlin-jvm projects to work with gradle 6 metadata
• KT-45335 kotlinOptions.jvmTarget conflicts with Gradle variants
• KT-48798 Android: going from one to more than one productFlavor causes inputs of commonSourceSet$kotlin_gradle_plugin property of compileKotlin task to change
• 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
• KT-54399 Undeprecate 'kotlinOptions' DSL
• KT-54306 Change the naming of newly added Compiler*Options classes and interfaces
• KT-54580 KotlinOptions in AbstractKotlinCompilation class are deprecated
• KT-54653 java.lang.NoClassDefFoundError: kotlin/jdk7/AutoCloseableKt exception if a dependency to the kotlin-stdlib is added
• KT-52624 Compatibility with Gradle 7.3 release
• KT-54703 Stdlib substitution does not work with JPMS modules
• KT-54602 Prevent leaking Gradle Compile DSL types into compiler cli runtime
• KT-54439 Project failed to sync Native LaguageSettings to compiler options in afterEvaluate
• KT-53885 Bump minimal supported Gradle version to 6.8.3
• KT-53773 Protect and system properties can contain sensitive data
• KT-53732 Add custom values limits for build scan reports
• KT-52623 Compatibility with Gradle 7.2. release
• KT-51831 Gradle: remove kotlin.compiler.execution.strategy system property
• KT-51679 Change deprecation level to error for KotlinCompile setClasspath/getClasspath methods
• KT-54335 Kotlin build report configuration. There is no validation for SINGLE_FILE output if the required kotlin.build.report.single_file property is empty or absent
• KT-54356 Kotlin build report configuration. Wrong path is used for the property kotlin.internal.single.build.metrics.file
• KT-53617 KotlinCompilerExecutionStrategy value is ignored by depending modules if configure once for all project modules using allProjects {}
• KT-53823 Kotlin Gradle Plugin uses deprecated Gradle API: Provider.forUseAtConfigurationTime()
• KT-54142 Increase Kotlin Gradle plugin Gradle target API to 7.5
• KT-50161 Android variant filter breaks KotlinCompile cache compatibility
• KT-54113 LanguageSettings to KotlinNativeLink.toolOptions sync are executed on the wrong context
• KT-53830 Versions of kotlin-stdlib-jdk8 and kotlin-stdlib-jdk7 aren't overrided if added as transitive dependencies to kotlin-stdlib
• KT-54112 Missing target input on KotlinNativeLink task
• KT-45879 Documentation: Wrong kotlin languageVersion "1.6 (EXPERIMENTAL)"
• KT-54103 Remove JvmTarget.JVM_1_6 from generated Gradle compiler type
• KT-52959 KMP code is breaking Gradle project isolation
• KT-50598 MULTIPLE_KOTLIN_PLUGINS_SPECIFIC_PROJECTS_WARNING is only shown on first build
• KT-53246 Gradle: Special characters in paths of errors and warnings should be escaped
• KT-47730 How to avoid stdlib coming from Kotlin gradle plugin
• KT-52209 Corrupted cache and non-incremental build if produce caches "in process" and restore then compiling with kotlin daemon
• KT-41642 "TaskDependencyResolveException: Could not determine the dependencies" when trying to apply stdlib
• KT-53390 Drop usage of -Xjava-source-roots when passing java sources required for Kotlin compilation
• KT-52984 Kotlin Gradle plugin is misbehaving by resolving DomainObjectCollection early
• KT-38622 Non-incremental compilation because of R.jar with Android Gradle plugin 3.6
• KT-38576 AnalysisResult.RetryWithAdditionalRoots crashes during incremental compilation with java classes in classpath

Tools. Gradle. Cocoapods

• KT-54314 Cocoapods: Signing pod dependency for Xcode 14
• KT-54060 Xcode 14: disable bitcode embedding for Apple frameworks
• KT-53340 Change default linking type for frameworks registered by cocoapods plugin
• KT-53392 Deprecate and delete downloading pod dependencies by direct link
• KT-53695 Build of macOS application fails if a framework is integrated via Cocoapods plugin

Tools. Gradle. JS

• KT-53367 KJS: Migrate cssSupport API
• KT-45789 KJS / IR: Transitive NPM dependencies are not included in PublicPackageJsonTask output
• KT-55099 K/JS: Second declaration of JS target without compiler type report warning incorrectly
• KT-52951 [KGP/JS] Browser test target registration via properties
• KT-52950 KJS: Report if yarn.lock was updated during built
• KT-53374 KJS / Gradle: Implement IDEA sync detection logic via ValueSource to improve configuration cache support
• KT-53381 Kotlin/JS: with erased kotlin-js-store/ and reportNewYarnLock = true the task kotlinUpgradeYarnLock always fails
• KT-53788 KJS / Gradle: Disable Gradle build cache for KotlinJsDce when development mode is enabled
• KT-53614 Kotlin/JS upgrade npm dependencies

Tools. Gradle. Multiplatform

New Features

• KT-53396 Support 'implementation platform()' by gradle kotlin mpp plugin for JVM target
• KT-40489 MPP / Gradle: support BOM (enforcedPlatform) artifacts in source set dependencies DSL

Performance Improvements

• KT-52726 [MPP] Optimize caching/performance/call-sites of 'compilationsBySourceSets'

Fixes

• KT-54634 MPP: Test Failure causes: KotlinJvmTest$Executor$execute$1 does not define failure
• KT-35916 Gradle MPP plugin: Configurations for a main compilation and its default source set have different naming
• KT-46960 Repeated kotlin/native external libraries in project
• KT-27292 MPP: jvm { withJava() }: Gradle build: Java source under Kotlin root is resolved while building, but does not produce output class files
• KT-34650 Naming clash in MPP+Android: androidTest vs androidAndroidTest
• KT-54387 Remove MPP alpha stability warning
• KT-31468 Targets disambiguation doesn't work if a depending multiplatform module uses withJava() mode
• KT-54090 Take an Apple test device from the device list
• KT-54301 KotlinToolingVersionOrNull: IllegalArgumentException
• KT-53256 Implement K/N compiler downloading for KPM
• KT-45412 KotlinCompilation: Make sure .kotlinSourceSets and .allKotlinSourceSets include the default source set
• KT-49202 Tests on android target can't be executed in multiplatform project if dependency to kotlin-test framework is provided as a single dependency and tests configured to be executed via Junit5

Tools. Gradle. Native

New Features

• KT-43293 Support Gradle configuration caching with Kotlin/Native
• KT-53107 Add arm64 support for watchOS targets (Xcode 14)

Fixes

• KT-53704 Native cinterop: eager header path calculation
• KT-54814 Kotlin/Native: Github Actions: Testing watchOSX64 with Xcode 14 — Invalid device: Apple Watch Series 5
• KT-54627 Native: :commonizeNativeDistribution with configuration cache enabled fails even when set to warn on JDK 17
• KT-54339 Link tasks fail if Gradle Configuration Cache is enabled
• KT-53191 Native cinterop sync problem with gradle
• KT-54583 watchosDeviceArm64 target shouldn't register test tasks
• KT-52303 Gradle / Native: Build tasks ignore project.buildDir
• KT-54442 Gradle iOS test tasks fail if a device is not selected explicitly
• KT-54177 Gradle: Deprecate enableEndorsedLibs flag
• KT-47355 Support macos target for FatFramework task
• KT-53339 MPP / CocoaPods: The static framework fails to install on a real iOS device
• KT-31573 Missing description for Native Gradle tasks
• KT-53131 Gradle Sync: "NoSuchElementException: Array contains no element matching the predicate" with CocoaPods
• KT-53686 Task assembleReleaseXCFramework fails with "error: the path does not point to a valid framework" if project name contains a dash

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
• KT-53871 New IC: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing an inline property accessor
• KT-19804 Relocatable IC caches

Tools. JPS

• KT-45474 False positive NO_ELSE_IN_WHEN on sealed class with incremental compilation
• KT-54228 Switching abstract to sealed classes causes incremental issue
• KT-38483 JPS: Stopping compilation causes IDE CompilationCanceledException
• KT-50310 False positive NO_ELSE_IN_WHEN on incremental build when adding sealed classes
• KT-48813 Move cache version to compiler
• KTIJ-921 JPS: FileNotFoundException on project build in mixed Kotlin/Scala project

Tools. Kapt

• KT-54187 JVM IR + kapt: incorrect modifier final is generated for nested enum in interface
• KT-48827 Remove 'kapt.use.worker.api' property

Tools. Scripts

• KT-54355 Scripts: Internal compiler error (languageVersion=1.9)
• KT-53009 Scripting: NDFDE “Descriptor wasn't found for declaration SCRIPT” on using script definition with kotlin from master

1.7.21

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

1.7.20

Analysis API

• KT-52667 FIR IDE: fun interfaces (SAM interfaces) are not properly resolved
• KT-52136 FIR: Implicit type declaration from the other module cannot be used for overloading

Analysis API. FE1.0

• KT-51962 Analysis API: Finish Analysis API for FE1.0

Analysis API. FIR

• KT-52779 FIR IDE: Import Optimizer cannot handle generic type qualifiers
• KT-50236 Fix OOB modification trackers for non-Kotlin code
• KT-51240 Analysis API: KtAnalysisSession for a specific module cannot create a symbol for PSI that cannot be seen from that module.
• KT-50868 Analysis API: decompiled type aliases are not resolved

Compiler

• KT-53739 Builder inference, extension hides members
• KT-53733 Kotlin/Native: update source documentation for the new default memory manager
• KT-53667 Compiler crashes on attempt to alloc a string on the stack in new MM
• KT-53480 Internal error in file lowering: java.lang.ClassNotFoundException: com.android.systemui.R$string
• KT-52843 Compose: NPE at Parameters.getParameterByDeclarationSlot if inline function with default arguments takes a lambda which captures value class represented by Long
• KT-53475 Kotlin/Native for iOS: "IllegalArgumentException: Sequence has more than one element"

New Features

• KT-52495 Support until operator in back-ends
• KT-52420 Implement resolve of until operator
• KT-52419 Implement until operator in the parser
• KT-33755 Kotlin/Native: Provide a way to customize a bundle Identifier of a generated framework
• KT-51665 FIR: implement label resolve for "typed this" case
• KT-52361 Report warning on potentially empty intersection types

Performance Improvements

• KT-47816 Disable script discovery for non-script environments
• KT-48635 JVM IR: Double/Float values are boxed when comparing for equality in equals method of data/value classes
• KT-23397 Optimize out field for property delegate when it's safe (JVM)

Fixes

• KT-53272 Backend Internal error: Exception during IR lowering / No such value argument slot: 2
• KT-53124 Receiver type mismatch when combining extension properties, type projections, Java sources, and F-bounded type-variables
• KT-51868 JVM / IR: Inconsistent behaviour between lambda expression and SAM interface conversion for the same interface
• KT-36770 Prohibit unsafe calls with expected @NotNull T and given Kotlin generic parameter with nullable bound
• KT-52974 "IllegalStateException: Symbol with IrSimpleFunctionSymbolImpl is unbound" compiling native targets of MPP project
• 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-53019 K2: cannot cast callable reference to Function1 in runtime
• KT-53031 K2 compiler crashes with IllegalStateException: No type in ProtoBuf.ValueParameter
• KT-29168 Prohibit upper bounds violation with generic typealias using not all type parameters as arguments for underlying type in supertypes
• KT-52432 Using the IDE compiled with K2 (useFir) throws VerifyError exception
• KT-52327 False negative: TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM isn't reported
• KT-49682 Support JVM IR in KAPT stub generation
• KT-24643 Prohibit using a type parameter declared for an extension property inside delegate
• KT-51972 FIR, Gradle: "Symbol is invisible" compilation error with enabled Kotlin Lombok compiler plugin
• KT-52011 [FIR] All-open compiler plugin isn't supported
• KT-51950 JVM IR: "IndexOutOfBoundsException: Cannot pop operand off an empty stack" with crossinline lambdas and interface delegation
• KT-52540 Native: kotlin.NotImplementedError with Arrow library
• KT-48031 "IllegalStateException: Type variable TypeVariable(T) should not be fixed!"
• KT-47708 RequiresOptIn check does not flag experimental method usage in SAM lambda expressions
• KT-52913 JVM / IR: "IllegalArgumentException: Inline class types should have the same representation" when trying to down cast cast a value class
• KT-50771 IR partial linkage: Removed abstract callable members are not supported
• KT-52994 Enable generic inline classes as experimental feature
• KT-52742 CYCLE_IN_ANNOTATION_PARAMETER_ERROR false positive on annotations with default values
• KT-52743 Non-null generic functions throws NPE when assigned to val
• KT-52745 Frontend / K2: "IncompatibleClassChangeError: class A$B overrides final method A.length()I" caused by delegation in a sealed class
• KT-52832 Tree-generator's method FirExpression::isFirType returns true and false for different field names; it should always be true
• KT-52403 IncompatibleClassChangeError when inlining suspend funs
• KT-50107 Missed USAGE_IS_NOT_INLINABLE diagnostic: Leaking inline lambda parameter through extension receiver
• KT-47965 Missed USAGE_IS_NOT_INLINABLE diagnostic on inline lambda parameter usage as receiver of .let call
• KT-25787 No error on crossinline usage of receiver parameter of functional type in an inline function
• KT-52762 Frontend / K2: Named arguments for Java classes lead to "Cannot find a parameter with this name"
• KT-52680 K2: overload resolution ambiguity if this is casted in a different method
• KT-52676 K2: Unsupported compile-time value IrGetFieldImpl instead of IrConst in AnnotationCodegen for constant from Java
• KT-50293 False positive: USELESS_CAST on stub types
• KT-52175 WRONG_ANNOTATION_TARGET for annotation that used inside if
• KT-52338 "IncompatibleClassChangeError: Expected non-static field" with Kotlin class with same-named companion object property as base Java class field
• KT-49507 JVM: "IllegalAccessError: class X tried to access private field" with same-named Kotlin property and Java base class field
• KT-44512 FIR DFA: incorrect smartcast after null assignment inside a lambda
• KT-49200 FIR/FE 1.0: different behavior with multiple matching star imports
• KT-52718 declaringClass deprecation message mentions the wrong replacement in 1.7
• KT-52190 FIR2IR: Unexpected IrErrorTypeImpl type for put method inside buildMap
• KT-52197 Incorrect inference of var type inside lambda that passed to extension function with type parameters that defined inside this lambda
• KT-52057 Unsupported compile-time value STRING_CONCATENATION and GET_FIELD in annotation arguments
• KT-47823 JVM IR: "IllegalArgumentException: Inline class types should have the same representation" with break usage in the loop range
• KT-51883 Kotlin 1.6.20 generates "-" in type names around lambdas and inline extension function with reified type which breaks Apache Beam
• KT-52684 Syntax error regression on complicated combination of LT and GTEQ
• KT-52417 Reflection: Can't reflect on type parameters captured by SAM converted lambda
• KT-46797 JVM IR: suspendImpl has no generic signature, breaking reified types in anonymous object supertypes when using the type token pattern
• KT-51464 FIR: Unable to infer type in coroutines flow code
• KT-52163 JVM IR: Double.compareTo(Int) compiled to integer comparison
• KT-41980 FIR: erroneous scope during annotation resolve
• KT-47159 KtPsiUtils.areParenthesesUseless() is returning a false positive on expressions for interface delegation
• KT-51418 Substitute anonymous type's supertypes
• KT-35544 kotlin.TypeCastException has no message on Native
• KT-52386 StackOverflowError during Kotlin/Native gradle build
• KT-52592 NPE from KProperty.getExtensionDelegate on property delegated to another property
• KT-52551 Delegating to object property reference does not invoke object's initializer
• KT-51704 Contracts: "AssertionError: Arguments and parameters size mismatch" with companion object
• KT-25527 False positive UNUSED_VALUE for delegated property/variable
• KT-51002 [FIR] Hidden declaration hides visible one
• KT-51008 [FIR] Star import does not work for nested calssifiers of java class
• KT-52407 FIR: Star import has lower priority than built-in import
• KT-52431 Reported error instead of warning due to empty intersection type found
• KT-49394 Bad message and suggestion: The feature "unit conversion" is disabled
• KT-51168 FIR: Inference error with Java interop and captured types
• KT-49961 "AssertionError: Left expression was not processed: BINARY_EXPRESSION" when analyzing dangling [bracketed] expression inside elvis
• KT-50108 Difference in fun interface conversion behavior for uninitialized not-null function values
• KT-51889 Calls to super-classes constructors with context receivers fail on runtime
• KT-51228 [FIR] Unresolved reference on callable reference on implicit this with smartcast
• KT-52364 False positive for INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION
• KT-52237 JVM / IR: "IllegalArgumentException: No argument for parameter VALUE_PARAMETER CONTINUATION_CLASS" when implementing Map interface on class with suspending functions
• KT-50832 Method references to suspend inline functions are processed incorrectly
• KT-52194 False positive "Class 'my.packge.MyClass' is compiled by a pre-release version of Kotlin and cannot be loaded by this version of the compiler" but builds fine
• KT-47203 JVM Debugger: Parameter value doesn't change for tailrec function
• KT-52131 False positive variable unused warning when calling inline function in finally block
• KT-51738 Debugger: stepping over in inline function with multiple inline lambda invocations is incorrect
• KT-52198 Losing reference to the value of an outer variable (Ref$ObjectRef) when using suspend inline with suspendCancellableCoroutine
• KT-50994 FIR: AssertionError during inference of delegated properties with implicit types
• KT-51757 FIR does not see various JS/Native specific declarations in common modules
• KT-51201 FIR: ARGUMENT_TYPE_MISMATCH diagnostic contains generic parameter instead of the actual type
• KT-48444 FIR: type argument rejected for annotation
• KT-51754 JVM: Local variable table invalid for do-while with continue
• KT-51936 Breakpoint not hit on last line of suspend function on Android
• KT-27333 Forbid @Synchronized annotation on suspend functions
• KT-51530 "StackOverflowError: CoroutineTransformerMethodVisitor.spillVariables" with data class in Flow
• KT-51460 FIR: Protected property inaccessible from inner class
• KT-53947 IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER
• KT-51234 Context receivers can be duplicated in function declaration
• KT-51576 Context receivers: "AssertionError: Callers must check that current token is IDENTIFIER followed with '@'" with at character
• KT-49479 JVM / IR: "IllegalStateException: IrErrorType" during IR lowering with non-trivial recursion calls
• KT-52270 NullPointerException caused by braces on if-else returning a method reference inside lambda
• KT-47621 False negative INVISIBLE_MEMBER on call to inaccessible protected synthetic property setter
• KT-37796 NI: "ISE: Error type encountered" when inferring type of a property that delegates to itself
• KT-45430 PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression: toString()" with recursive function call in "also" block in nontrivial context
• KT-52691 K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImpl with intertwined functional interfaces
• KT-52822 Fix contract for KtElement.getReference()
• KT-50223 IndexOutOfBoundsException from ClassicTypeSystemContext$DefaultImpls.getParameter during call resolution
• KT-51963 Change Maven version to 1.7.255
• KT-47664 Incorrect type checking in the case of generic types
• KT-48765 NI: Inferred type does not respect the bound of type variable
• KT-51243 False positive error "No required context receiver" inside contextual lambda
• KT-43541 TYPE_MISMATCH for member function which is not occur for top level function during unsafe cast
• KT-51016 [FIR] False positive OVERLOAD_RESOLUTION_AMBIGUITY between two extensions on different supertypes
• KT-50155 FIR: support contextual receivers
• KT-38637 Catch NoSuchFieldException in optimized when expression over enum

Docs & Examples

• KT-49896 Kotlin/JS: improve -Xir-property-lazy-initialization description due to making it true by default

IDE

• KTIJ-22286 Kotlin JPS project created via wizard does not contain Kotlin libraries in case of not-released version
• KTIJ-22065 IDE notification motivating Kotlin users to use EAP
• KTIJ-22209 Configure Kotlin on 221 idea adds 1.6.10 Kotlin (despite the fact that IDE plugin is 1.7.10)
• KTIJ-22171 Fix test BuiltInDecompilerConsistencyTest
• KTIJ-22016 Empty .kt file and build.gradle.kts can trigger an error while searching for a facade light class
• KT-52571 MPP Tasks on import are not up-to-date after subsequent launches
• KT-47777 ISE thrown from KtLightClassForFacadeImpl.Companion.createForFacadeNoCache has wrong message.

IDE. FIR

• KT-52360 FIR IDE: Make the fix of isInheritor method better
• KT-51786 FIR IDE: IllegalStateException exception in Inspections' infrastructure
• KT-52331 Analysis API: ArrayIndexOutOfBoundsException exception in Diagnostics' infrastructure

IDE. Code Style, Formatting

• KTIJ-21346 Incorrect formatting for functions with context receivers and visibility modifiers

IDE. Completion

• KTIJ-21910 FIR IDE: Fix completion tests started failing after visibility checker refinement

IDE. Decompiler, Indexing, Stubs

• KTIJ-21243 ContextReceivers: "UpToDateStubIndexMismatch: PSI and index do not match" plugin exception on library with context receivers usage attempt

IDE. Gradle Integration

• KT-47627 IDE import fails with com.intellij.util.lang.PathClassLoader error for runCommonizer Gradle task on 212, 213 IDEAs
• KTIJ-21638 MPP: IntelliJ can not resolve MPP references in common-code
• KT-52216 HMPP / KTOR: False positive "TYPE_MISMATCH" with Throwable descendant

IDE. Inspections and Intentions

• KTIJ-22540 Invalid "remove unnecessary parentheses" when delegating a functional interface to a SAM in brackets

IDE. J2K

• KTIJ-21665 J2K generates non compiling code when lifting return and one branch is broken before binary operator

IDE. JS

• KTIJ-22337 Wizard: Kotlin/Js for browser: cssSupport DSL should be updated

IDE. K2

• KTIJ-21672 FIR IDE: Method reference on generic class breaks resolve
• KTIJ-21714 FIR IDE: Inherently imported type from another module is not properly resolved

IDE. Script

• KT-52525 Update scripts handling in source roots

IDE. Misc

• KTIJ-21699 Refactoring: move out parts of the plugin useful for both FE10 and K2

JavaScript

New Features

• KT-39423 KJS: Optionally generate a method to handle optional parameters for function in typescript
• KT-42282 KJS IR: add an ability to run separate tests

Performance Improvements

• KT-50270 KJS IR: Unnecessary getter and setter calls when accessing class members

Fixes

• KT-51133 Kotlin/JS - IR: even simple lambdas generate a lot of useless boilerplate
• KT-51123 Provide a way to add comments to generated JS
• KT-48493 KJS / IR: Invalid d.ts for inner classes inside objects
• KT-52553 KJS / IR: diamond hierarchy with super.toString produces stack overflow in runtime
• KT-23252 JS: Unit materialization on declaration and assignment
• KT-51128 Kotlin/JS - IR generate huge count of useless blocks
• KT-50778 KJS/IR: Inline class has no field when building production distribution
• KT-50157 KSJ IR: Applying identity equality operator to Chars always returns false
• KT-38262 Javascript generation (and Typescript) fails on 'then', 'catch' and 'finally' (and others?) claiming they are reserved names
• KT-51066 KJS / IR: suspend lambda parameter of value class is undefined
• KT-51102 KJS/IR: Assertion failed at translateCallArguments(jsAstUtils.kt:343)
• KT-51878 KJS / Legacy: Unit is not materialized in an overridden method, but it should be

Language Design

• KT-47986 Implicit inferring a type variable into an upper bound in the builder inference context
• KT-49264 Deprecate infix function calls of functions named "suspend" with dangling function literal
• KT-25636 Native: Object is frozen by default problem
• KT-49303 Implement support for basic compile-time evaluation

Libraries

• KT-52932 Open-ended ranges in the standard library
• KT-52910 Provide visit extension functions for java.nio.file.Path
• KT-48232 Multiplatform function for computing cubic root
• KT-52778 The documentation for the Duration does not indicate any differences from the ISO-8601
• KT-52618 ThreadLocalRandom is not a good source of randomness on Android before SDK 34, so don't use it for Kotlin Random

Native

• KT-53346 MPP project with kotlinx-serialization-json:1.4.0-RC is not built

Native. C Export

• KT-45468 Kotlin/Native: Bitcode verification error when trying to export a cached klib to a static or dynamic library

Native. C and ObjC Import

• KT-53373 Native: @ExportObjCClass doesn't work with the new memory manager
• KT-49034 Kotlin/Native: cnames.structs.Foo resolves into wrong declaration
• KT-26478 Objective-C object's class name is null in ClassCastException's message

Native. ObjC Export

• KT-51593 Include more information in Objective-C header documentation
• KT-33117 Improve customizing Info.plist in produced frameworks
• KT-52681 Native: @end; for Objective-C is generated with an unnecessary semicolon

Native. Platforms

• KT-52226 Kotlin/Native: Add support for cross-compilation of MIPS targets from macOS and Windows hosts

Native. Runtime

• KT-52430 KMM 1.6.21 framework built with Xcode13, new MM GC Can't support iOS 9.x
• KT-53534 Kotlin/Native: -Xruntime-logs=gc=info flag doesn't work with compiler caches in 1.7.20-beta

Native. Runtime. Memory

• KT-52692 Kotlin/Native: fix tests with aggressive GC
• KT-52130 Kotlin/Native: use Xallocator for Kotlin objects only
• KT-51436 Kotlin/Native: optimize mark queue

Reflection

• KT-51804 An error occurs when callBy a KFunction that contains a value class as an argument, has a default argument set, and has more than 32 arguments.

Tools. CLI

• KT-52465 CLI: IllegalStateException IrSimpleFunctionPublicSymbolImpl when source root is duplicated
• KT-52380 Invalid path to compiler plugins should be reported as a compiler error
• KT-51025 JVM CLI compiler takes class file from classpath instead of input java source file
• KT-51846 Setting random value to the compiler argument where number is expected should produce an error. "-Xbackend-threads=abcd"

Tools. Compiler Plugins

• KT-52486 [K2] Looking for function/constructor whose parameters are annotated or meta annotated
• KT-52872 Mark supportsK2 in ComponentRegistrar.kt as JvmDefault to avoid compatibility problems
• KT-52804 A function obtained by Fir IrBuiltins has an incorrect package
• KT-52468 Rename module and jar for lombok compiler plugin

Tools. Gradle

• KT-53670 Gradle: Cyclic dependency between kotlin-gradle-plugin-idea-1.7.20-Beta and kotlin-gradle-plugin-idea-proto-1.7.20-Beta
• KT-53615 Gradle: Fix deprecation warnings in CleanableStoreImpl
• KT-53118 Fully up-to-date builds are slower with Kotlin 1.7.0
• KT-51923 Improve usability of errors and warnings by being able to click on them
• KT-53244 Report from gradle about compiler plugins
• KT-52839 Warn in Gradle log why incremental compilation failed
• KT-46019 Compatibility with Gradle 7.1 release
• KT-47047 Migrate Kotlin Gradle Plugin from using Gradle conventions
• KT-52698 Don't add InspectClassesForMultiModuleIC task when new incremental compilation is enabled
• KT-52867 Provide simplified JVM toolchain configuration method
• KT-45747 Add basic JUnit 5 Kotlin Gradle Plugin Android tests setup
• KT-46034 Shadow Kotlin Gradle plugin dependencies
• KT-28664 Support ExtensionContainer on kotlin targets and source sets.
• KT-19472 Useful extensions of Gradle Kotlin DSL provided by Gradle Kotlin plugin
• KT-34393 Kotlin Gradle DSL: Inconsistent srcDir configuration between Java and Kotlin
• KT-51629 There isn't enough info about incremental compilation state in logs while running build with --info key

Tools. Gradle. Cocoapods

• KT-53174 CocoaPods: Synthetic Podfile does not specify platform
• KT-53127 "MaterialComponents normal armv7" in Cocoapods plugin between Kotlin 1.6.21 and 1.7.0
• KT-44155 Cocoapods doesn't support pods without module map file inside
• KT-49032 Cocoapods cinterop: some header files are not found
• KT-53337 Add warning about future changing default linking type of framework provided via cocoapods plugin

Tools. Gradle. JS

• KT-52637 KJS / Gradle: Add SCSS webpack config
• KT-51527 Kotlin/JS: BrowserXRun causes full-screen Webpack error "Compiled with problems: asset size limit/entrypoint size limit" for fresh Kotlin-React project from wizard
• KT-51532 Kotlin/JS: passing environment variable via Gradle script causes "Execution optimizations have been disabled" warnings
• KT-52221 Kotlin/JS: failed Node tests are not reported in a standard way

Tools. Gradle. Multiplatform

• KT-52243 CInteropProcess is not cacheable despite the annotation
• KT-52741 MPP: klib outputs are not reproducible
• KT-52208 MPP: Gradle plugin 1.7 doesn't support latest api versions (1.8, 1.9)
• KT-54071 MPP/AGP compatibility: Bump maxSupportedVersion to 7.3.0

Tools. Gradle. Native

• KT-52632 Gradle / Native: commonizeNativeDistributionTask can never be up-to-date
• KT-52328 "ld: framework not found SQLCipher" linkDebugTestIosSimulatorArm64 error

Tools. Incremental Compile

• KT-53168 Incremental compilation doesn't perform correctly after a few iterations
• KT-52925 [IR BE] Non incremental build occurs after build failure for compileKotlinJs task
• KT-52946 CompileKotlinJs task is executed non-incrementally if there were changes made to the dependant module
• KT-52329 Reduce memory usage of classpath snapshot cache
• KT-53266 Increment Compilation: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing companion object constant field
• KT-53231 New IC reports build failures for missing classpath snapshots

Tools. JPS

• KT-47824 'when expression must be exhaustive' isn't thrown during incremental compilation
• KT-51873 JPS build is incorrect after gdw build
• KTIJ-17072 JPS does not rebuild Kotlin usages of declared in Java when enum entry is added
• KT-51537 Rebuild module on plugin classpaths change

Tools. REPL

• KT-45065 REPL: Incorrect output for unsigned value
• KT-53043 Scripting: Changes in REPL protocol: mark end of errors

Tools. Scripts

• KT-52598 Scripts and REPL snippets are not checked against using 'kotlin' package
• KT-47187 Kotlin ScriptEngine Failes to Compile a Trivial Statement After Failing to Compile a Broken One
• KT-47191 [Kotlin Script Engine] Compiling Without Evaluating Leaves Engine in a Bad State

Tools. Kapt

• KT-52761 Kotlin 1.7.0 breaks kapt processing for protobuf generated java sources

1.7.10

Compiler

• KT-52702 Invalid locals information when compiling kotlinx.collections.immutable with Kotlin 1.7.0-RC2
• KT-52892 Disappeared specific builder inference resolution ambiguity errors
• KT-52782 Appeared receiver type mismatch error due to ProperTypeInferenceConstraintsProcessing compiler feature
• KT-52718 declaringClass deprecation message mentions the wrong replacement in 1.7

IDE

Fixes

• KTIJ-19088 KotlinUFunctionCallExpression.resolve() returns null for calls to @JvmSynthetic functions
• KTIJ-19624 NoDescriptorForDeclarationException on iosTest.kt.vm
• KTIJ-21515 Load JVM target 1.6 as 1.8 in Maven projects
• KTIJ-21735 Exception when opening a project
• KTIJ-17414 UAST: Synthetic enum methods have null return values
• KTIJ-17444 UAST: Synthetic enum methods are missing nullness annotations
• KTIJ-19043 UElement#comments is empty for a Kotlin property with a getter
• KTIJ-10031 IDE fails to suggest a project declaration import if the name clashes with internal declaration with implicit import from stdlib (ex. @Serializable)
• KTIJ-21151 Exception about wrong read access from "Java overriding methods searcher" with Kotlin overrides
• KTIJ-20736 NoClassDefFoundError: Could not initialize class org.jetbrains.kotlin.idea.roots.KotlinNonJvmOrderEnumerationHandler. Kotlin plugin 1.7 fails to start
• KTIJ-21063 IDE highlighting: False positive error "Context receivers should be enabled explicitly"
• KTIJ-20810 NoClassDefFoundError: org/jetbrains/kotlin/idea/util/SafeAnalyzeKt errors in 1.7.0-master-212 kotlin plugin on project open
• KTIJ-17869 KotlinUFunctionCallExpression.resolve() returns null for instantiations of local classes with default constructors
• KTIJ-21061 UObjectLiteralExpression.getExpressionType() returns the base class type for Kotlin object literals instead of the anonymous class type
• KTIJ-20200 UAST: @Deprecated(level=HIDDEN) constructors are not returning UMethod.isConstructor=true

IDE. Code Style, Formatting

• KTIJ-20554 Introduce some code style for definitely non-null types

IDE. Completion

• KTIJ-14740 Multiplatform declaration actualised in an intermediate source set is shown twice in a completion popup called in the source set

IDE. Debugger

• KTIJ-20815 MPP Debugger: Evaluation of expect function for the project with intermediate source set may fail with java.lang.NoSuchMethodError

IDE. Decompiler, Indexing, Stubs

• KTIJ-21472 "java.lang.IllegalStateException: Could not read file" exception on indexing invalid class file
• KTIJ-20802 Definitely Not-Null types: "UpToDateStubIndexMismatch: PSI and index do not match" plugin error when trying to use library function with T&Any

IDE. FIR

• KTIJ-20971 FIR IDE: "Parameter Info" shows parameters of uncallable methods
• KTIJ-21021 FIR IDE: Completion of extension function does not work on nullable receiver
• KTIJ-21343 FIR IDE: Navigation from explicit invoke call does not work
• KTIJ-21013 FIR IDE: Inconsistent smartcasts highlighting
• KTIJ-21374 FIR IDE: Incorrect highlighting for operators
• KTIJ-20443 FIR IDE: Work in Dumb mode
• KTIJ-20852 FIR IDE: Exception when checking isInheritor on two classes in different modules
• KTIJ-20637 FIR IDE: Strange exception while commenting-uncommenting FirReferenceResolveHelper.kt

IDE. Gradle Integration

• KTIJ-21807 Gradle to IDEA import: language and API version settings are not imported for Native facet
• KTIJ-21692 Kotlin Import Test maintenance: 1.7.0-Beta
• KTIJ-20567 Kotlin/JS: Gradle import into IDEA creates no proper sub-modules, source sets, facets

IDE. Hints. Inlay

• KTIJ-20552 Support definitely non-null types in inlay hints

IDE. Inspections and Intentions

New Features

• KTIJ-18979 Quickfix for INTEGER_OPERATOR_RESOLVE_WILL_CHANGE to add explicit conversion call
• KTIJ-19950 Provide quickfixes for INVALID_IF_AS_EXPRESSION_WARNING and NO_ELSE_IN_WHEN_WARNING
• KTIJ-19866 Create quick-fix for effective visibility error on private-in-file interface exposing private class
• KTIJ-19939 Provide quickfix for deprecated confusing expressions in when branches

Fixes

• KTIJ-20705 Register quickfix for NO_CONSTRUCTOR_WARNING diagnostic
• KTIJ-21226 "Remove else branch" quick fix is not suggested
• KTIJ-20981 Definitely non-null types: quick-fixes suggested incorrectly for LV=1.6 when Xenhance-type-parameter-types-to-def-not-null flag is set
• KTIJ-20953 Add quickfix for OVERRIDE_DEPRECATION warning to 1.7 - 1.9 migration
• KTIJ-20734 Replace with [@JvmInline] value quick fix should be appliable on a whole project
• KTIJ-21420 Add 'else' branch quick fix suggestion is displayed twice in case 'if' isn't completed
• KTIJ-21192 "Make protected" intention is redundant for interface properties
• KTIJ-18120 "Make public" intention does not add explicit "public" modifier when using ExplicitApi Strict mode
• KTIJ-20493 "Create expect" quick fix doesn't warn about platform-specific annotations

IDE. Misc

• KTIJ-21582 Notification for Kotlin EAP survey

IDE. Native

• KTIJ-21602 With Native Debugging Support plugin Gradle run configurations can't be executed from IDEA: LLDB_NATVIS_RENDERERS_ENABLED

IDE. Wizards

• KTIJ-20919 Update ktor-html-builder dependency in kotlin wizards
• KTIJ-20962 Wizard: Invalid Ktor imports

Tools. Gradle

• KT-52777 'org.jetbrains.kotlinx:atomicfu:1.7.0' Gradle 7.0+ plugin variant was published with missing classes

Tools. Gradle. JS

• KT-52856 Kotlin/JS: Upgrade NPM dependencies

Tools. Gradle. Multiplatform

• KT-52955 SourceSetMetadataStorageForIde: Broken 'cleanupStaleEntries' with enabled configuration caching or isolated ClassLoaders
• KT-52694 Kotlin 1.7.0 breaks Configuration Caching in Android projects

Tools. Incremental Compile

• KT-52669 Full rebuild in IC exception recovery leaves corrupt IC data

Tools. JPS

• KTIJ-17280 JPS: don't use java.io.File.createTempFile as it is not working sometimes
• KTIJ-20954 NPE at at org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil.readNameResolver on compiling by JPS with LV > 1.7

1.7.0

Analysis API. FIR

• KT-50864 Analysis API: ISE: "KtCallElement should always resolve to a KtCallInfo" is thrown on call resolution inside plusAssign target
• KT-50252 Analysis API: Implement FirModuleResolveStates for libraries
• KT-50862 Analsysis API: do not create use site subsitution override symbols

Analysis API. FIR Low Level API

• KT-50729 Type bound is not fully resolved
• KT-50728 Lazy resolve of extension function from 'kotlin' package breaks over unresolved type
• KT-50271 Analysis API: get rid of using FirRefWithValidityCheck

Backend. Native. Debug

• KT-50558 K/N Debugger. Error is not displayed in variables view for catch block

Compiler

New Features

• KT-26245 Add ability to specify generic type parameters as not-null
• KT-45165 Remove JVM target version 1.6
• KT-27435 Allow implementation by delegation to inlined value of inline class
• KT-47939 Support method references to functional interface constructors
• KT-50775 Support IR partial linkage in Kotlin/Native (disabled by default)
• KT-51737 Kotlin/Native: Remove unnecessary safepoints on watchosArm32 and iosArm32 targets
• KT-44249 NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER with type usage in higher order function

Performance Improvements

• KT-48233 Switching to JVM IR backend increases compilation time by more than 15%
• KT-51699 Kotlin/Native: runtime has no LTO in debug binaries
• KT-34466 Use optimized switch over enum only when all entries are constant enum entry expressions
• KT-50861 FIR: Combination of array set convention and plusAssign works exponentially
• KT-47171 For loop doesn't avoid boxing with value class iterators (JVM)
• KT-29199 'next' calls for iterators of merged primitive progressive values are not specialized
• KT-50585 JVM IR: Array constructor loop should use IINC
• KT-22429 Optimize 'for' loop code generation for reversed arrays
• KT-50074 Performance regression in String-based 'when' with single equality clause
• KT-22334 Compiler backend could generate smaller code for loops using range such as integer..array.size -1
• KT-35272 Unnecessary null check on unsafe cast after not-null assertion operator
• KT-27427 Optimize nullable check introduced with 'as' cast

Fixes

• KT-46762 Finalize support for jspecify
• KT-51499 @file:OptIn doesn't cover override methods
• KT-52037 FIR: add error in 1.7.0 branch if run with non-compatible plugins
• KT-46756 Release the K2/JVM compiler in Alpha
• KT-49715 IR: "IllegalStateException: Function has no body: FUN name:toString" during IR lowering with shadowed extension inside interface
• KT-45508 False negative ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED on a fake override with an abstract super class member
• KT-28078 Report error "Public property exposes its private type" for primary constructor properties instead of warning
• KT-49017 Forbid usages of super or super if in fact it accesses an abstract member
• KT-38078 Prohibit calling methods from Any with "super" qualifier once they are overridden as abstract in superclass
• KT-52363 Evaluate impact of qualified this behavior change warnings
• KT-52561 JVM: Coroutine state machine loses value after a check-induced smart cast
• KT-52311 java.lang.VerifyError: Bad type on operand stack
• KT-41124 Inconsistency of exceptions at init block for an enum entry with and without a qualifier name
• KT-46860 Make safe calls always nullable
• KT-52503 New green code appeared at the callable reference resolution
• KT-51925 Native: "IllegalStateException: Symbol for kotlinx.cinterop/CStructVar|null[0] is unbound" caused by inline function
• KT-49317 "IllegalStateException: Parent of this declaration is not a class: FUN LOCAL_FUNCTION_FOR_LAMBDA" with parameter of suspend type with the default parameter
• KT-51844 New errors in overload resolution involving vararg extension methods
• KT-52006 "java.lang.Throwable: Unbalanced tree Exception" on indexing kotlin project
• KT-51223 Report warning about conflicting inherited members from deserialized dependencies
• KT-51439 FE 1.0: implement type variance conflict deprecation on qualifier type arguments
• KT-51433 FE 1.0: implement warnings about label resolve changes
• KT-51317 Regression in resolution of lambdas where expected type has an extension receiver parameter
• KT-45935 JVM IR: Add not-null assertion for explicit definitely not-null parameters
• KT-51818 "ClassCastException: class CoroutineSingletons cannot be cast to class" with suspendCoroutineUninterceptedOrReturn and coroutines
• KT-51718 JVM / IR: "VerifyError: Bad type on operand stack" caused by nullable variable inside suspend function
• KT-51927 Native: The symbol of unexpected type encountered during IR deserialization error when multiple libraries have non-conflicting declarations with the same name
• KT-52394 JVM: Missing annotation on method with value class return type when a subclass is present in the same file in Kotlin 1.7.0-Beta
• KT-51640 FIR: remove warning about "far from being production ready"
• KT-45553 FIR: support hiding declaration from star import by as import
• KT-52404 Prolong deprecation cycle for errors at contravariant usages of star projected argument from Java
• KT-50734 TYPE_MISMATCH: NonNull parameter with a type of Nullable type argument causes compiler warning
• KT-51235 JVM / IR: "AbstractMethodError: Receiver class does not define or inherit an implementation of the resolved method" when property with inline class type is overridden to return Nothing?
• KT-48935 NI: Multiple generic parameter type constraints are not applied as expected when the parameter is of function type
• KT-49661 NI: No TYPE_INFERENCE_UPPER_BOUND_VIOLATED when argument is inferred by return type
• KT-50877 Inconsistent flexible type
• KT-51988 "NPE: getContainingDeclaration…lDeclarationType.REGULAR) must not be null" when using @BuilderInference with multiple type arguments
• KT-48890 Revert Opt-In restriction "Overriding methods can only have opt-in annotations that are present on their basic declarations."
• KT-52035 FIR: add error in 1.7.0 branch if run on JS / Native configuration
• KT-45461 NI: False negative TYPE_INFERENCE_UPPER_BOUND_VIOLATED when passing an argument to a function with generic constraints
• KT-52146 JVM IR: "AssertionError: Primitive array expected" on vararg of SAM types with self-type and star projection
• KT-50730 Implement error for a super class constructor call on a function interface in supertypes list
• KT-52040 JVM: ClassFormatError Illegal method name "expectFailure$__proxy-0"
• KT-50845 Postpone rxjava errors reporting in the strict mode till 1.8 due to found broken cases
• KT-51979 "AssertionError: No modifier list, but modifier has been found by the analyzer" exception on incorrect Java interface override
• KT-51759 FIR DFA: false positive "Variable must be initialized"
• KT-50378 Unresolved reference for method in Jsoup library in a kts script file
• KT-34919 "Visibility is unknown yet" when named parameter in a function type used in a typealias implemented by an abstract class
• KT-51893 Duplicated [OVERRIDE_DEPRECATION] on overridden properties
• KT-41034 K2: Change evaluation semantics for combination of safe calls and convention operators
• KT-51843 Functional interface constructor references are incorrectly allowed in 1.6.20 without any compiler flags
• KT-51914 False positive RETURN_TYPE_MISMATCH in intellij ultimate
• KT-51711 Compiler warning is displayed in case there is 'if' else branch used with elvis
• KT-33517 Kotlin ScriptEngine does not respect async code when using bindings
• KT-51850 FIR cannot resolve ambiguity with different SinceKotlin/DeprecatedSinceKotlin
• KT-44705 Deprecate using non-exhaustive if's and when's in rhs of elvis
• KT-44510 FIR DFA: smartcast after elvis with escaping lambda
• KT-44879 FIR DFA: Track inc and dec operator calls in preliminary loop visitor
• KT-51758 FIR: explicit API mode errors should not be reported for effectively internal / private entities
• KT-51203 FIR: Inconsistent RETURN_TYPE_MISMATCH and TYPE_MISMATCH reporting on functions and properties
• KT-51624 FIR: false-positive INAPPLICABLE_LATEINIT_MODIFIER for lateinit properties with unresolved types
• KT-51204 FIR IC: Incremental compilation fails on nested crossinline
• KT-51798 Fix ISE from IR backend when data class inherits equals/hashCode/toString with incompatible signature
• KT-46187 FIR: OVERLOAD_RESOLUTION_AMBIGUITY on SAM-converted callable reference to List::plus
• KT-51761 Incorrect NONE_APPLICABLE in expect class
• KT-51756 FIR: false positive NO_VALUE_FOR_PARAMETER in expect class delegated constructor call
• KT-49778 Support cast to DefinitelyNotNull type in Native
• KT-51441 -Xpartial-linkage option specified in Gradle build script is not passed to Native linker
• KT-34515 NI: "AssertionError: Base expression was not processed: POSTFIX_EXPRESSION" with double not-null assertion to brackets
• KT-48546 PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression" with recursive property access in lazy block
• KT-28109 "AssertionError: No setter call" for incrementing parenthesized result of indexed access convention operator
• KT-46136 Unsubstituted return type inferred for a function returning anonymous object upcast to supertype
• KT-51364 FIR: ambiguity due to String constructors clash
• KT-51621 FIR: visible VS invisible qualifier conflict
• KT-50468 FIR compilers fails with CCE when meets top-level destruction
• KT-51557 Inline stack frame is not shown for default inline lambda
• KT-51358 OptIn: show default warning/error message in case of empty message argument
• KT-44152 FIR2IR fails on declarations from java stdlib if java classes are loaded from PSI instead of binaries
• KT-50949 PSI2IR: NSEE from ArgumentsGenerationUtilsKt.createFunctionForSuspendConversion with providing lambda as argument with suspend type
• KT-39256 ArrayStoreException with list of anonymous objects with inferred types created in reified extension function
• KT-39883 Deprecate computing constant values of complex boolean expressions in when condition branches and conditions of loops
• KT-36952 Exception during codegen: cannot pop operand off an empty stack (reference equality, implicit boxing, type check)
• KT-51233 AssertionError in JavaLikeCounterLoopBuilder with Compose
• KT-51254 Verify Error on passing null to type parameter extending inline class
• KT-50996 [FIR] Support Int -> Long conversion for property initializers
• KT-51000 [FIR] Support Int -> Long? conversion
• KT-51003 [FIR] Consider Int -> Long conversion if expected type is type variable
• KT-51018 [FIR] Wrong type inference if one of constraints is integer literal
• KT-51446 Metadata serialization crashes with IOOBE when deserializing underlying inline class value with type table enabled
• KT-50973 Redundant line number mapping for finally block with JVM IR
• KT-51272 Incompatible types: KClass and callable reference Collection::class
• KT-51274 "Expected some types" exception on when branch for when expression of erroneous type
• KT-51229 FIR: private constructor of internal data class treated as internal and not private
• KT-50750 [FIR] Report UNSUPPORTED on array literals not from annotation classes
• KT-51200 False EXPOSED_PARAMETER_TYPE for internal type parameter of internal type
• KT-49804 False positive of UPPER_BOUND_VIOLATED and RETURN_TYPE_MISMATCH
• KT-51121 Inconsistent SAM behavior in multiple cases causing AbstractMethodError (Kotlin 1.6.10)
• KT-50136 FIR: syntax error on (T & Any)
• KT-49465 FIR2IR: support definitely not-null types
• KT-51357 FIR: error in inference while using integer literal in expected Long position
• KT-49925 [FIR] Incorrect builder inference (different cases)
• KT-50542 "IllegalStateException: Type parameter descriptor is not initialized: T declared in sort" with definitely non-null type Any & T in generic constraint
• KT-51171 FIR: class Error resolution problem
• KT-51156 Multiplatform linkDebugFramework task throws NoSuchElementException when expect class constructors utilize nested enum constant
• KT-51017 [FIR] Ambiguity on callable reference between two functions on generic receiver with different bounds
• KT-51007 [FIR] False positive ILLEGAL_SUSPEND_FUNCTION_CALL if fun interface with suspend function declared in another module
• KT-50998 [FIR] Int.inv() cal does not considered as compile time call
• KT-51009 [FIR] Incorrect inference of lambda in position of return
• KT-50997 [FIR] Incorrect type of typealias for suspend functional type
• KT-49714 Compiler reports "'operator modifier is inapplicable" if expect class with increment operator is provided via type alias
• KT-48623 Type nullability enhancement improvements
• KT-44623 "IllegalStateException: IdSignature is allowed only for PublicApi symbols" when suspending receiver is annotated with something
• KT-46000 JVM / IR: AssertionError on isSubtypeOfClass check in copyValueParametersToStatic with Compose
• KT-50211 Annotation Instantiation with default arguments in Native
• KT-49412 Controversial "type argument is not within its bounds" reported by FIR
• KT-48044 [FIR] Investigate behavior of UPPER_BOUND_VIOLATED on complex cases
• KT-37975 Don't show deprecation of enum class itself for its own member
• KT-50737 Inheritance from SuspendFunction leads to compiler crash
• KT-50723 Implement a fix of reporting of uninitialized parameter in default values of parameters
• KT-50749 Implement UNSUPPORTED reporting on array literals inside objects in annotation classes
• KT-50753 Implement reporting errors on cycles in annotation parameter types
• KT-50758 Fix inconsistency of exceptions at init block for an enum entry with and without a qualifier name
• KT-50182 CONST_VAL_NOT_TOP_LEVEL_OR_OBJECT: clarify error message for const in object expression
• KT-50183 Fix missing apostrophe escapes in compiler error messages
• KT-50788 FIR: false unsafe call on not-null generic
• KT-50785 FIR: inconsistent smart cast after comparison with true
• KT-50858 [FIR LL] FIR in low level mode creates multiple symbols for same declaration
• KT-50822 Analysis API: make declaration transformers machinery to be a thread safe
• KT-50972 FIR doesn't report VAL_REASSIGNMENT on synthetic properties
• KT-50969 FIR: diamond inheritance with different parameter types depends on a supertype order
• KT-50875 FIR: no smart cast after reassignment with elvis
• KT-50835 Inline functions with suspend lambdas break the tail-call optimization
• KT-49485 JVM / IR: StackOverflowError with long when-expression conditions
• KT-35684 NI: "IllegalStateException: Expected some types" from builder-inference about intersecting empty types on trivial code
• KT-50776 FIR: ambiguity between Sequence.forEach and Iterable.forEach
• KT-48908 Error for annotation on parameter type could have distinct ID and message referring 1.6
• KT-48907 SUPERTYPE_IS_SUSPEND_FUNCTION_TYPE error could have message referring version 1.6
• KT-50774 FIR2IR: NSEE in case of lambda in enum entry constructor call
• KT-49016 Drop QUALIFIED_SUPERTYPE_EXTENDED_BY_OTHER_SUPERTYPE diagnostic
• KT-34338 Parameterless main causes duplicate JVM signature error
• KT-50577 JVM_IR: No NPE when casting uninitialized value of non-null type to non-null type
• KT-50476 JVM_IR: NSME when calling 'super.removeAt(Int)' implemented in Java interface as a default method
• KT-50257 JVM_IR: Incorrect bridge delegate signature for renamed remove(I) causes SOE with Kotlin class inherited from fastutils IntArrayList
• KT-50470 FIR: inapplicable candidate in delegate inference due to nullability
• KT-32744 Inefficient compilation of null-safe call (extra null checks, unreachable code)

Docs & Examples

• KT-52032 Document performance optimizations of the Kotlin/JVM compiler in 1.7.0
• KT-49424 Update KEEP for OptIn

IDE

Fixes

• KTIJ-21735 Exception when opening a project
• KTIJ-17414 UAST: Synthetic enum methods have null return values
• KTIJ-17444 UAST: Synthetic enum methods are missing nullness annotations
• KTIJ-19043 UElement#comments is empty for a Kotlin property with a getter
• KTIJ-10031 IDE fails to suggest a project declaration import if the name clashes with internal declaration with implicit import from stdlib (ex. @Serializable)
• KTIJ-21515 Load JVM target 1.6 as 1.8 in Maven projects
• KTIJ-21151 Exception about wrong read access from "Java overriding methods searcher" with Kotlin overrides
• KTIJ-20736 NoClassDefFoundError: Could not initialize class org.jetbrains.kotlin.idea.roots.KotlinNonJvmOrderEnumerationHandler. Kotlin plugin 1.7 fails to start
• KT-50111 Resolving into KtUltraLightMethod
• KTIJ-21063 IDE highlighting: False positive error "Context receivers should be enabled explicitly"
• KTIJ-20810 NoClassDefFoundError: org/jetbrains/kotlin/idea/util/SafeAnalyzeKt errors in 1.7.0-master-212 kotlin plugin on project open
• KTIJ-19088 KotlinUFunctionCallExpression.resolve() returns null for calls to @JvmSynthetic functions
• KTIJ-17869 KotlinUFunctionCallExpression.resolve() returns null for instantiations of local classes with default constructors
• KTIJ-21061 UObjectLiteralExpression.getExpressionType() returns the base class type for Kotlin object literals instead of the anonymous class type
• KTIJ-20200 UAST: @Deprecated(level=HIDDEN) constructors are not returning UMethod.isConstructor=true
• KTIJ-19624 NoDescriptorForDeclarationException on iosTest.kt.vm

IDE. Code Style, Formatting

• KTIJ-20554 Introduce some code style for definitely non-null types

IDE. Completion

• KTIJ-14740 Multiplatform declaration actualised in an intermediate source set is shown twice in a completion popup called in the source set

IDE. Debugger

• KTIJ-20815 MPP Debugger: Evaluation of expect function for the project with intermediate source set may fail with java.lang.NoSuchMethodError

IDE. Decompiler, Indexing, Stubs

• KTIJ-21472 "java.lang.IllegalStateException: Could not read file" exception on indexing invalid class file
• KTIJ-20802 Definitely Not-Null types: "UpToDateStubIndexMismatch: PSI and index do not match" plugin error when trying to use library function with T&Any
• KT-51248 Function and parameter names with special symbols have to backticked

IDE. FIR

• KTIJ-20443 FIR IDE: Work in Dumb mode
• KTIJ-21374 FIR IDE: Incorrect highlighting for operators
• KTIJ-21013 FIR IDE: Inconsistent smartcasts highlighting
• KTIJ-21343 FIR IDE: Navigation from explicit invoke call does not work
• KTIJ-20852 FIR IDE: Exception when checking isInheritor on two classes in different modules
• KTIJ-21021 FIR IDE: Completion of extension function does not work on nullable receiver
• KTIJ-20637 FIR IDE: Strange exception while commenting-uncommenting FirReferenceResolveHelper.kt
• KTIJ-20971 FIR IDE: "Parameter Info" shows parameters of uncallable methods

IDE. Gradle Integration

• KTIJ-21807 Gradle to IDEA import: language and API version settings are not imported for Native facet
• KTIJ-21692 Kotlin Import Test maintenance: 1.7.0-Beta
• KTIJ-20567 Kotlin/JS: Gradle import into IDEA creates no proper sub-modules, source sets, facets

IDE. Hints. Inlay

• KTIJ-20552 Support definitely non-null types in inlay hints

IDE. Inspections and Intentions

New Features

• KTIJ-18979 Quickfix for INTEGER_OPERATOR_RESOLVE_WILL_CHANGE to add explicit conversion call
• KTIJ-19950 Provide quickfixes for INVALID_IF_AS_EXPRESSION_WARNING and NO_ELSE_IN_WHEN_WARNING
• KTIJ-19866 Create quick-fix for effective visibility error on private-in-file interface exposing private class
• KTIJ-19939 Provide quickfix for deprecated confusing expressions in when branches

Fixes

• KTIJ-20705 Register quickfix for NO_CONSTRUCTOR_WARNING diagnostic
• KTIJ-21226 "Remove else branch" quick fix is not suggested
• KTIJ-20981 Definitely non-null types: quick-fixes suggested incorrectly for LV=1.6 when Xenhance-type-parameter-types-to-def-not-null flag is set
• KTIJ-20953 Add quickfix for OVERRIDE_DEPRECATION warning to 1.7 - 1.9 migration
• KTIJ-20734 Replace with [@JvmInline] value quick fix should be appliable on a whole project
• KTIJ-21420 Add 'else' branch quick fix suggestion is displayed twice in case 'if' isn't completed
• KTIJ-21192 "Make protected" intention is redundant for interface properties
• KTIJ-18120 "Make public" intention does not add explicit "public" modifier when using ExplicitApi Strict mode
• KTIJ-20493 "Create expect" quick fix doesn't warn about platform-specific annotations

IDE. Misc

• KTIJ-21582 Notification for Kotlin EAP survey

IDE. Multiplatform

• KT-49523 Improve environment setup experience for KMM projects
• KT-50952 MPP: Commonized cinterops doesn't attach/detach to source set on configuration changes

IDE. Native

• KT-44329 Improve UX of using Native libraries in Kotlin
• KTIJ-21602 With Native Debugging Support plugin Gradle run configurations can't be executed from IDEA: LLDB_NATVIS_RENDERERS_ENABLED

IDE. Wizards

• KTIJ-20919 Update ktor-html-builder dependency in kotlin wizards
• KTIJ-20962 Wizard: Invalid Ktor imports

JavaScript

New Features

• KT-51735 KJS / IR: Minimize member names in production mode

Performance Improvements

• KT-51127 Kotlin/JS - IR generates plenty of useless Unit_getInstance()
• KT-50212 KJS IR: Upcast should be a no-op
• KT-16974 JS: Kotlin.charArrayOf is suboptimal due to Rhino bugs

Fixes

• KT-44319 JS IR BE: Add an ability to generate separate JS files for each module
• KT-52518 Kotlin/JS IR: project with 1.6.21 fails to consume library built with 1.7.0-RC: ISE "Unexpected IrType kind: KIND_NOT_SET" at IrDeclarationDeserializer.deserializeIrTypeData()
• KT-52010 K/JS IR: both flows execute when using elvis operator
• KT-41096 KJS IR: @JsExport should use original js name for external declarations
• KT-52144 KJS / IR: Missing property definitions for interfaced defined properties
• KT-52252 KJS / IR: overridden properties are undefined/null
• KT-51973 KJS / IR overridden properties of inherited interface missing
• KT-51125 Provide a way to use import keyword in js expressions
• KT-40888 KJS / IR: Missing methods are no longer generated (polyfills)
• KT-50504 KJS / IR: Transpiled JS incorrectly uses the unscrambled names of internal fields
• KT-51853 JS compilation fails with "Uninitialized fast cache info" error
• KT-51205 K/JS IR: external class is mapped to any
• KT-50806 Typescript definitions contain invalid nested block comments with generic parent and type argument without @JsExport
• KT-51841 KJS / IR: No flat hash for FUN FAKE_OVERRIDE with kotlin.incremental.js.ir=true
• KT-51081 KJS / IR + IC: Passing an inline function with default params as a param to a higher-order function crashes the compiler
• KT-51084 KJS / IR + IC: Cache invalidation doesn't check generic inline functions reified qualifier
• KT-51211 K/JS IR: JsExport: Can't export nested enum
• KT-51438 KJS / IR: Duplicated import names for the same external names
• KT-51238 Kotlin/JS: IR + IC: build fails after clean on compileTestDevelopmentExecutableKotlinJs task: "Failed to create MD5 hash for file '.../build/classes/kotlin/main' as it does not exist"
• KT-50674 KJS / IR: JS code cannot modify local variable
• KT-50953 KJS IR: Incorrect nested commenting in d.ts
• KT-15223 JS: function that overrides external function with vararg parameter is translated incorrectly
• KT-50657 KJS / IR 1.6.20-M1-39 - Date in Kotlin JS cannot be created from long.

Language Design

New Features

• KT-45618 Stabilize builder inference
• KT-30485 Underscore operator for type arguments
• KT-49006 Support at least three previous versions of language/API
• KT-16768 Context-sensitive resolution prototype (Resolve unqualified enum constants based on expected type)
• KT-14663 Support having a "public" and a "private" type for the same property
• KT-50477 Functional conversion does not work on suspending functions
• KT-32162 Allow generics for inline classes

Fixes

• KT-12380 Support sealed (exhaustive) whens
• KT-27750 Reverse reservation of 'yield' as keyword
• KT-22956 Release OptIn annotations
• KT-44866 Change behavior of private constructors of sealed classes
• KT-49110 Prohibit access to members of companion of enum class from initializers of entries of this enum
• KT-29405 Switch default JVM target version to 1.8

Libraries

New Features

• KT-50484 Extensions for java.util.Optional in stdlib
• KT-50146 Reintroduce min/max(By/With) operations on collections with non-nullable return type
• KT-46132 Specialized default time source with non-allocating time marks
• KT-41890 Support named capture groups in Regex on Native
• KT-48179 Introduce API to retrieve the number of CPUs the runtime has

Performance Improvements

• KT-42178 Range and Progression should override last()

Fixes

• KT-42436 Support java.nio.Path extension in the standard library
• KT-51470 Stabilize experimental API for 1.7
• KT-51775 JS: Support named capture groups in Regex
• KT-51776 Native: Support back references to groups with multi-digit index
• KT-51082 Introduce Enum.declaringJavaClass property
• KT-51848 Promote deepRecursiveFunction to stable API
• KT-48924 KJS: toString in base 36 produces different results in JS compare to JVM
• KT-50742 Regular expression is fine on jvm but throws PatternSyntaxException for native macosX64 target
• KT-50059 Stop publishing kotlin-stdlib and kotlin-test artifacts under modular classifier
• KT-26678 Rename buildSequence/buildIterator to sequence/iterator

Native

• KT-49406 Kotlin/Native: generate standalone executable for androidNative targets by default
• KT-48595 Enable Native embeddable compiler jar in Gradle plugin by default
• KT-51377 Native: synthetic forward declarations are preferred over commonized definitions
• KT-49145 Kotlin/Native static library compilation fails for androidNative*
• KT-49496 Gradle (or the KMM plugin) is caching the Xcode Command Line Tools location
• KT-49247 gradle --offline should translate into airplaneMode for kotin-native compiler

Native. Build Infrastructure

• KT-52259 kotlin-native releases from GitHub don't contain platform libs

Native. C and ObjC Import

• KT-49455 Methods from Swift extensions are not resolved in Kotlin shared module
• KT-50648 Incorrect KMM cinterop conversion

Native. ObjC Export

• KT-50982 RuntimeAssertFailedPanic in iOS when Kotlin framework is initialized before loading
• KT-49937 Kotlin/Native 1.5.31: 'runtime assert: Unexpected selector clash' when 'override fun toString(): String' is used

Native. Platforms

• KT-52232 Kotlin/Native: simplify toolchain dependency override for MinGW

Native. Runtime

• KT-52365 Kotlin/Native fails to compile projects for 32-bit targets when new memory manager is enabled

Native. Runtime. Memory

• KT-48537 Kotlin/Native: improve GC triggers in the new MM.
• KT-50713 Kotlin/Native: Enable Concurrent Sweep GC by default

Native. Stdlib

• KT-50312 enhancement: kotlin native -- add alloc<TVarOf>(T)

Native. Testing

• KT-50316 Kotlin/Native: Produce a list of available tests alongside the final artifact
• KT-50139 Create tests for Enter/Leave frame optimization

Reflection

• KT-27598 "KotlinReflectionInternalError" when using callBy on constructor that has inline class parameters
• KT-31141 IllegalArgumentException when reflectively accessing nullable property of inline class type

Tools. CLI

• KT-52409 Report error when use-k2 with Multiplatform
• KT-51717 IllegalArgumentException: Unexpected versionNeededToExtract (0) in 1.6.20-RC2 with useFir enabled
• KT-52217 Rename 'useFir' to 'useK2'
• KT-29974 Add a compiler option '-Xjdk-release' similar to javac's '--release' to control the target JDK version
• KT-51673 Make language version description not in capital letters
• KT-48833 -Xsuppress-version-warnings allows to suppress errors about unsupported versions
• KT-51627 kotlinc fails with java.lang.RuntimeException if /tmp/build.txt file exists on the disk
• KT-51306 Support reading language settings from an environment variable and overriding the current settings by them
• KT-51093 "-Xopt-in=..." command line argument no longer works

Tools. Commonizer

• KT-43309 Overwrite return type and parameter types of callable member to succeed commonization
• KT-52050 [Commonizer] 'platform.posix.DIR' not implementing 'CPointed' when commonized for 'nativeMain' on linux or windows hosts
• KT-51224 MPP: For optimistically commonized numbers missed kotlinx.cinterop.UnsafeNumber
• KT-51215 MPP: Update Kdoc description for kotlinx.cinterop.UnsafeNumber
• KT-51686 Cinterop: Overload resolution ambiguity in 1.6.20-RC2
• KT-46636 HMPP: missed classes from platform.posix.*
• KT-51332 Optimistic number commonization is disabled by default in KGP with enabled HMPP

Tools. Compiler Plugins

• KT-50992 jvm-abi-gen breaks inline functions in inline classes with private constructors in Kotlin 1.6.20

Tools. Daemon

• KT-32885 KT. Kotlin daemon compilation process is broken: java.lang.IllegalStateException Service is dying at entities generation by Kotlin.kts script

Tools. Gradle

New Features

• KT-49227 Support Gradle plugins variants
• KT-50869 Provide API that allow AGP to set up Kotlin compilation
• KT-48008 Consider offering a KotlinBasePlugin
• KT-52030 Provide experimental possibility to view internal information about Kotlin Compiler performance

Performance Improvements

• KT-52141 Optimize Java class snapshotting for the kotlin.incremental.useClasspathSnapshot feature
• KT-51978 Optimize classpath snapshot cache for the kotlin.incremental.useClasspathSnapshot feature
• KT-51326 Kotlin-gradle-plugin performance issue with mass java SourceRoots

Fixes

• KT-52448 Compilation tasks are missing input/output/internal annotations on includes/excludes properties
• KT-52239 Type based task configuration-blocks for JVM stopped working in Gradle
• KT-52313 No recompilation in Gradle after adding or removing function parameters, removing functions (and maybe more) in dependent modules
• KT-51854 Add Ktor to gradle performance benchmark
• KT-52086 Rename flag 'use-fir' to 'use-k2'
• KT-52509 Main variant published to Gradle plugin portal uses unshadowed artifact
• KT-52392 Gradle: 1.7.0 does not support custom gradle build configuration on Windows OS
• KT-32805 KotlinCompile inherits properties sourceCompatibility and targetCompatibility which breaks Gradle's incremental compilation
• KT-52189 Provide Gradle Kotlin/DSL friendly deprecated classpath property in KotlinCompiler task
• KT-51415 Confusing build failure reason is displayed in case kapt is used and different JDKs are used for compileKotlin and compileJava tasks
• KT-52187 New IC can not be enabled in an Android project using kapt
• KT-51898 Upgrading Kotlin/Kotlin Gradle plugin to 1.5.3 and above breaks 'com.android.asset-pack' plugin
• KT-51913 Gradle plugin should not add attributes to the legacy configurations
• KT-34862 Restoring from build cache breaks Kotlin incremental compilation
• KT-45777 New IC in Gradle
• KT-51360 Show performance difference in percent between releases
• KT-51380 Add open-source project using Kotlin/JS plugin to build regression benchmarks
• KT-51937 Toolchain usage with configuration cache prevents KotlinCompile task to be UP-TO-DATE
• KT-48276 Remove kotlin2js and kotlin-dce-plugin
• KT-52138 KSP could not access internal methods/properties in Kotlin Gradle Plugin
• KT-51342 Set minimal supported Android Gradle plugin version to 3.6.4
• KT-50494 Remove kotlin.experimental.coroutines Gradle DSL option
• KT-49733 Bump minimal supported Gradle version to 6.7.1
• KT-48831 Remove 'KotlinGradleSubplugin'
• KT-47924 Remove annoying cast in toolchain extension method for Kotlin DSL
• KT-46541 Fail Gradle builds when deprecated kotlinOptions.jdkHome is set
• KT-51830 Gradle: deprecate kotlin.compiler.execution.strategy system property
• KT-47763 Gradle DSL: Remove deprecated useExperimentalAnnotation and experimentalAnnotationInUse
• KT-51374 NoSuchFileException in getOrCreateSessionFlagFile()
• KT-51837 kotlin-gradle-plugin:1.6.20 fails xray scan on shadowed Gson 2.8.6.
• KT-51454 KotlinJvmTest is not a cacheable task
• KT-45745 Migrate only Kotlin Gradle Plugin tests to new JUnit5 DSL and run them separately on CI
• KT-47318 Remove deprecated 'kotlinPluginVersion' property in `KotlinBasePluginWrapper'
• KT-51378 Gradle 'buildSrc' compilation fails when newer version of Kotlin plugin is added to the build script classpath
• KT-46038 Gradle: kotlin_module files are corrupted in the KotlinCompile output, and gets cached
• KT-51064 Kotlin gradle build hangs on MetricsContainer.flush
• KT-48779 Gradle: Could not connect to kotlin daemon

Tools. Gradle. Cocoapods

• KT-50622 Cocoapods Plugin: cocoapods-generate does not work correctly with ruby 3.0.0 and higher
• KT-51861 Custom binary name in CocoaPods plugin isn't respected by fatFramework task

Tools. Gradle. JS

• KT-52221 Kotlin/JS: failed Node tests are not reported in a standard way
• KT-51895 K/JS: Redundant technical messages during JS tests
• KT-51414 Allow set up environment variables for JS tests
• KT-51623 Kotlin/JS: Mocha could not failed when external module not found
• KT-51503 Update NPM dependency versions

Tools. Gradle. Multiplatform

New Features

• KT-51386 [KPM] IdeaKotlinProjectModelBuilder: Implement dependencies

Fixes

• KT-49524 Improve DSL for managing Kotlin/Native binary output
• KT-51765 com.android.lint in multiplatform project without android target should not trigger warning
• KT-38456 MPP with Android source set: allTests task does not execute Android unit tests
• KT-44227 Common tests are not launched on local JVM for Android via allTests task in a multiplatform project
• KT-51946 Temporarily mark HMPP tasks as notCompatibleWithConfigurationCache for Gradle 7.4
• KT-52140 Support extensibility Kotlin Artifacts DSL by external gradle plugins
• KT-51947 Mark HMPP tasks as notCompatibleWithConfigurationCache for Gradle 7.4 using Reflection
• KT-50925 Could not resolve all files for configuration ':metadataCompileClasspath'
• KT-51262 [KPM] IDEA import: Move model builder to KGP
• KT-51220 [KPM][Android] Implement generic data storage and import pipeline
• KT-48649 No run task generated for macosArm64 target in Gradle plugin

Tools. Gradle. Native

• KT-47746 Allow customization of the Kotlin/Native compiler download url
• KT-51884 Gradle Native: "A problem occurred starting process 'command 'xcodebuild''" when building assembleFooXCFramework task on Linux

Tools. Incremental Compile

• KT-51546 FIR incremental compilation fails with assertion "Trying to inline an anonymous object which is not part of the public ABI"
• KT-49780 IncrementalCompilerRunner bug: Outputs are deleted after successful rebuild following fallback from an exception
• KT-44741 Incremental compilation: inspectClassesForKotlinIC doesn't determine changes with imported constant

Tools. JPS

• KTIJ-17280 JPS: don't use java.io.File.createTempFile as it is not working sometimes
• KTIJ-20954 NPE at at org.jetbrains.kotlin.metadata.jvm.deserialization.JvmProtoBufUtil.readNameResolver on compiling by JPS with LV > 1.7

Tools. Kapt

• KT-49533 Make kapt work out of the box with latest JDKs
• KT-52284 FIR: add error in 1.7.0 branch if run with Kapt
• KT-51463 KAPT: Incremental compilation not working when rerunning unit tests
• KT-51132 KAPT: Support reporting the number of generated files by each annotation processor
• KT-30172 Kapt: Shutdown kotlinc gracefully in case of error in annotation processor

Tools. Scripts

• KT-49173 Add support for nullable types in provided properties and other configuration-defined declarations
• KT-52294 [Scripting] Update oudated org.eclipse.aether dependencies to new org.apache.maven.resolver
• KT-51213 Kotlin JSR223 crashes with "ScriptException: ERROR java.lang.NullPointerException:" if bindings contain one or more null values
• KT-48812 Script: "IllegalStateException: unknown classifier kind SCRIPT" when passing a function reference to a Flow
• KT-50902 Scripts loaded from the compilation cache ignore the loadDependencies eval configuration property
• KT-52186 Scripts: Backend Internal error: Exception during IR lowering when using symbol from a dependency inside a function
• KT-51731 Script: jsr223 memory leak in spring-boot Fat Jar
• KT-49258 Scripts: method 'void ()' not found with multiple evals using kotlin script JSR223
• KT-51346 Scripts: "BackendException: Exception during IR lowering" with variable of imported script inside class

Recent ChangeLogs:

ChangeLog-1.6.X

ChangeLog-1.5.X

ChangeLog-1.4.X

ChangeLog-1.3.X

ChangeLog-1.2.X

ChangeLog-1.1.X

ChangeLog-1.0.X