Update dependency org.jetbrains.kotlin:kotlin-reflect to v1.5.31

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains.kotlin:kotlin-reflect (source)	1.3.72 -> 1.5.31

---

Release Notes

JetBrains/kotlin

v1.5.31

Changelog

Compiler

Fixes

• KT-48659 JVM / IR: Referential equality returns true for different instances
• KT-48613 Kotlin/Native fails to compile debug binaries for watchosArm64 target
• KT-48316 "No value passed for parameter" regression with Java annotation default values with JSR-305
• KT-48343 Mistake in an error message for uninferred type variable without unrestricted builder inference
• KT-48543 Native compiler crashes because of bridges for $default stubs
• KT-48349 OptIn markers are forbidden on local variable / value parameter / property getter only in presence of explicit Target annotation
• KT-48295 JVM / IR: VerifyError: Bad access to protected data in getfield
• KT-48551 JVM / IR: "IllegalStateException: Inline class has no primary constructor" caused by inline class from one module and fun interface from another
• KT-47917 JVM: "UTF8 string too large" caused by a big string
• KT-48440 JVM IR: Missing checkcast in generated bytecode causes VerifyError in Kotlin 1.5.30
• KT-48361 INTEGER_OPERATOR_RESOLVE_WILL_CHANGE is not reported in some positions
• KT-48267 JVM IR: CCE on callable reference to Array constructor passed to inline function

IDE

• KTIJ-15744 Reopening build.gradle.kts-based project reports MISSING_SCRIPT_BASE_CLASS KotlinBuildScript until re-import
• KTIJ-19005 JDK 17: "PermittedSubclasses requires ASM9" exception multiple times per second during analysis
• KTIJ-19504 IDE highlighting: Kotlin plugin 1.5.30 started showing some valid classes from multiplatform libraries as not existing

Native

• KT-48591 Kotlin/Native: Char.isHighSurrogate and Char.isLowSurrogate return wrong result for macosArm64 and iosArm64 with compiler cache enabled
• KT-48491 CInterop broke in Kotlin 1.5.30

Checksums

File	Sha256
kotlin-compiler-1.5.31.zip	661111286f3e5ac06aaf3a9403d869d9a96a176b62b141814be626a47249fe9e
kotlin-native-linux-x86_64-1.5.31.tar.gz	636b7e9e54eefa3fa1d284677a8ec2271d0f98b024a8a60127ef20a3badaae03
kotlin-native-macos-x86_64-1.5.31.tar.gz	fde7224a8e04a6cd934ecbf55d4d51966f8a0668104f4316a76b3f38062d1ade
kotlin-native-macos-aarch64-1.5.31.tar.gz	fbd005e360253e7d7ff1cd78b7cbbe34df0592812676deada6620a53d469d803
kotlin-native-windows-x86_64-1.5.31.zip	11c2e3378ea2e0121e9c3378e58f9813fc5f7850110c0e341739ab514f1379ca

v1.5.30

Backend. Native. Debug

• KT-47405 Incorrect path from inlined method in stacktrace on iOS-simulator ARM64
• KT-47408 Incorrect line number of inlined method on iOS-simulator ARM64

Compiler

New Features

• KT-44261 Support RxJava 3 nullability annotations
• KT-32443 Experimental declarations should be contagious even when they are not explicitly used
• KT-45844 Forbid using experimental markers on override declarations
• KT-45845 Forbid using experimental markers on getter
• KT-46644 Resolve overrides for IrProperty on deserialization
• KT-46967 Support class type parameters annotations in FIR
• KT-47402 Native: optimize access to object declarations that have only const vals and no init blocks
• KT-47709 Make when statements with enum, sealed, and Boolean subjects exhaustive by default
• KT-47699 Support programmatic creation of class annotations and corresponding feature flag on JVM

Performance Improvements

• KT-45103 Direct invoke optimization
• KT-47785 Compilation time increased when trying to compile AssertJ DB expression in 1.5.21

Fixes

• KT-48361 INTEGER_OPERATOR_RESOLVE_WILL_CHANGE is not reported in some positions
• KT-48180 JVM / IR: AssertionError: "Lambda with offset already exists" caused by calling inline function with default lambda parameter
• KT-47328 JVM / IR: NoSuchFieldError with missing CHECKCAST
• KT-48172 "IllegalStateException: Cannot serialize error type: [ERROR : ]" in 1.5.21 with java kotlin interop
• KT-48230 JVM IR: CCE for multiple receivers case
• KT-48262 "Inconsistent type" with JSpecify @​NullMarked
• KT-48167 JVM / IR: If Map#entrySet is implemented in an interface, Kotlin compiler generates incorrect code for its implementation
• KT-47988 JVM / IR: "VerifyError: Bad type on operand stack" when invoking apply with a local method reference
• KT-48163 JVM / IR: "VerifyError: Bad type on operand stack" when throwing result of smartcast
• KT-47833 False positive "Type argument is not within its bounds " with upcasting in 1.5.30-M1
• KT-47830 Some code doesn't compile with unrestricted builder inference
• KT-39883 Deprecate computing constant values if complex boolean expressions in when condition branches and conditions of loops
• KT-47037 Eliminate builder inference restrictions
• KT-46726 IR + BuilderInference: AssertionError: Unbound private symbol on usage of this in a BuilderInference lambda
• KT-43855 Support gradual introduction of new nullability annotations
• KT-43142 FIR: Check UPPER_BOUND_VIOLATED for type alias constructors properly
• KT-45228 Leaking builder inference type variables though callable references
• KT-42270 NI: NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER for BuilderInference with extension functions
• KT-46029 JVM / IR: "Unbound private symbol: " when trying to save SequenceScope in property
• KT-45258 Wrong CST between types which contain stub type
• KT-45224 Type safety problem through leaking of the builder inference scope
• KT-22852 Report diagnostics on implicit usages of experimental API
• KT-22941 Experimental marker annotation with SOURCE retention is compiled without error
• KT-24993 Inference for buildSequence/yield doesn't work for labeled lambdas
• KT-31728 Incorrect EXPERIMENTAL_OVERRIDE_ERROR for override of experimental function in anonymous object
• KT-33364 Kotlin/Native debugger: execution stops only at next line for breakpoint at when expression without parameter
• KT-42139 NI: NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER for emptyList / listOf (with no arguments) / emptyMap / mapOf (with no arguments) inside if block inside sequence block
• KT-44241 NI: BuilderInference regression
• KT-44372 FIR: KClass::java cannot be resolved as callable reference
• KT-44547 Native: wrong RTTI when overriding functions with equal signatures but different type arguments
• KT-44571 Segfault on unnecessary int unboxing
• KT-45083 Problem with property reference in builder inference
• KT-45315 Deprecate (V)::a reference resolution to companion in FE 1.0
• KT-46393 AE: "1 trailing arguments were found in Any type" for private function with implicit anonymous return type inside generic class
• KT-46661 FIR: Investigate inference issue with self-types and star projection
• KT-46775 [Native] [IR] Support multiple suspend lambdas as class supertypes
• KT-46836 Error: Invalid LLVM module on inlineClasses external tests
• KT-46838 NullPointerException: Parameter specified as non-null is null in CollectionsKt.joinToString()
• KT-46896 Native IR: NPE when using irBuiltIns.suspendFunction
• KT-46996 FIR: INFERENCE_NO_INFORMATION_FOR_PARAMETER on type aliases with non-trivial expansions
• KT-47034 KtValueArgument.getArgumentExpression could lead to StubBasedPsiElementBase.notBoundInExistingAst
• KT-47052 BuilderInference case with flatMapTo doesn't work properly
• KT-47082 Stub type variable is leaked (reproduces with K/N during deserialization)
• KT-47143 ClassicTypeSystemContext couldn't handle: Captured(*) in Kotlin 1.5.0
• KT-47148 Type mismatch: inferred type is Any? but T? was expected
• KT-47180 Forbid using OptIn markers on local variable, value parameter or field
• KT-47181 Forbid using OptIn markers on types or type parameters
• KT-47183 Segfault on int unboxing
• KT-47208 Backend Internal error: Exception during IR lowering: assert at IrOverridingUtilKt.buildFakeOverrideMember
• KT-47276 Nullability annotations without target are ignored if type enhancement improvements are enabled
• KT-47450 StackOverflowException in psi2ir with many chained binary expressions
• KT-47462 K/N: AssertionError: Unbound private symbol org.jetbrains.kotlin.ir.symbols.impl.IrClassSymbolImpl@6cb748d (NON-PUBLIC API): deserialized class Companion
• KT-47941 "IllegalStateException: Expected some types" on a call with several excepted type constraints
• KT-47854 "IllegalArgumentException: Type is inconsistent" with Android's @​Nullable annotation starting in Kotlin 1.5.20
• KT-47899 "AssertionError: Intersection type should not be marked nullable" with 1.5.21
• KT-47846 Stack overflow when handling enhanced recursive type parameter
• KT-47747 Introduce specific error for calls which could be resolved only with unrestricted builder inference
• KT-47739 JVM / IR: NoSuchFieldError with generic sealed classes
• KT-47422 -Xjspecify-annotations: If a class has a @​Nullable type-parameter bound, Kotlin should still treat some users' type arguments as platform types
• KT-47437 Type inference failure with raw types under -Xjspecify-annotations=strict
• KT-47396 <?> in @​NullMarked code should permit nullable types
• KT-47729 False positive INTEGER_OPERATOR_RESOLVE_WILL_CHANGE warning: "expression will be resolved to Int in future releases"
• KT-47333 Xcode 13: Compilation for iOS simulator fails
• KT-47772 False negative WRONG_ANNOTATION_TARGET on type argument to function call
• KT-47467 JVM / IR: "AssertionError: Annotation class expected: deserialized class Array" caused by java annotation as a parameter of another annotation
• KT-47744 UninitializedPropertyAccessException compiler exception on nested builder inference calls
• KT-47724 Type inference: False positive "Returning type parameter has been inferred to Nothing implicitly"
• KT-47660 JVM / IR: Mockito verification fails when named parameters are ordered differently
• KT-47589 Using RequiresOptIn annotation on constructor property results in error even if the annotation has no VALUE_PARAMETER target

Docs & Examples

• KT-47649 Important note about KJS IR compiler and stdlib compatibility in 1.5.30

IDE

• KT-44643 ISE: Could not generate LightClass for some declared in on initialisation by lazy in a JVM module of a multiplatform project
• KT-47947 Add language version 1.6 to the compiler configuration preferences

IDE. Gradle Integration

• KT-47163 KJS / Gradle: Could not resolve <artifact> despite being resolvable & project buildable

IDE. JS

• KT-46548 KJS: Create an IDE plugin to help with migration to and keeping compatibility with JS IR BE
• KT-47557 KJS: With NPM dependency IDEA import fails when performed before Gradle build

JavaScript

• KT-46204 KJS / IR: Support SuspendFunctionN as super type
• KT-38363 JS IR BE: support IC for lowerings
• KT-41651 JS IR BE: DCE removes render method from react components passed to the kotlinx.react
• KT-46520 KJS / IR: ISE "Can't find name for declaration FUN name:CharArray_init_$Create$" on callable reference to Array constructor
• KT-45738 KJS / IR: Wrong generated code for when statement
• KT-46551 KJS / IR: Add a basic sourcemap generation

Libraries

• KT-47477 Could not resolve kotlin-test during project import in case of multiplatform with only JVM target platform
• KT-47675 Converting Double to Duration may expose inexactness
• KT-47419 Remove method of the MapBuilder iterator throws IOOBE instead of IllegalStateException
• KT-47211 Kotlin Native - AbstractMutableList.addAll (with index) does not throw IndexOutOfBoundsException if elements is empty
• KT-23351 Regex.splitToSequence, CharSequence.splitToSequence(Regex)
• KT-42851 kotlin.time.Duration toString() shows wrong result for seconds
• KT-45325 Parsing Duration from String
• KT-34021 Regex.matchAt / matchesAt

Native

• KT-35001 warning: linking module flags 'SDK Version': IDs have conflicting values ('[2 x i32] [i32 13, i32 2]'
• KT-43475 Kotlin/Native compiler: Including a static C library increased cross-compilation time from 3.5minutes to 1 hour 40 minutes
• KT-44148 Escape analysis failure: Heap space out of memory

Native. C and ObjC Import

• KT-46711 platform.windows._LARGE_INTEGER cannot be passed by value

Native. ObjC Export

• KT-43780 Improve Swift/Obj-C ergonomics for object and companion object
• KT-46431 KMP accessing a property of an anonymous inner class that inherits from an abstract class causes a 'NSGenericException', reason: '[Shared_kobjcc0 ] is abstract' exception.
• KT-47042 Kotlin/Native: Concurrency Interoperability with Objective-C (Swift 5.5)

Native. Stdlib

• KT-47915 Kotlin/Native: Provide access to test cases generated by the compiler

Native. Platforms

• KT-44321 Support Apple Silicon without Rosetta 2

Reflection

• KT-18277 InvalidProtocolBufferException: Stream closed on multithreaded access to built-ins data in reflection
• KT-44977 Reflection: ClassCastException caused by annotations with "AnnotationTarget.TYPE" usage on array attributes access
• KT-47650 KClass::nestedClasses throws ClassCastException for script classes with type aliases

Tools. CLI

• KT-47623 Deprecate -Xuse-experimental
• KT-30778 kotlin-compiler.jar contains shaded but not relocated kotlinx.coroutines
• KT-40979 CLI: Executing "kotlinc.bat" at a root path, errors are not reported with a correct filepath
• KT-40994 CLI: Add documentation for -J argument in kotlinc -help
• KT-46764 CLI: Java record defined in a single file root is not resolved

Tools. Commonizer

• KT-47433 [Commonizer] Commonize functions/properties with TA/Class types in signature
• KT-47691 [Commonizer] Commonize var and val properties
• KT-47434 [Commonizer] Commonize parameterized (type-alias + class) types
• KT-47432 [Commonizer] Commonize (type-alias + class) types used in functions
• KT-45992 [Commonizer] Allow commonization of TypeAlias and Class with same name
• KT-46716 [Commonizer] Analyze leaf source sets with original platform libraries
• KT-46957 [Commonizer] Unresolved classifier: platform/posix/ptrdiff_t for linuxMips32
• KT-47133 Forbid cinterop commonization with hierarchical commonization turned off
• KT-47301 [Commonizer] Associative commonization

Tools. Compiler Plugins

• KT-46723 Kotlin Lombok: JPS: config file is searched in directory relative to compiler daemon
• KT-46739 @​SerialInfo NPE with default parameter

Tools. Daemon

• KT-47152 Incremental Compilation with Kotlin compile daemon and JDK 17 fails with IllegalAccessException

Tools. Gradle

New Features

• KT-45757 Add an easier way to explicitly set Kotlin daemon jvm arguments

Fixes

v1.5.21

Compiler

• KT-47320 "StringConcatException: Mismatched number of concat arguments" String concatenation fails when template contains special character
• KT-47445 "definitely not null type parameters is only available since language version 1.6" error in cast expression
• KT-47446 Improve warning message INTEGER_OPERATOR_RESOLVE_WILL_CHANGE
• KT-47447 False positive INTEGER_OPERATOR_RESOLVE_WILL_CHANGE warning: "expression will be resolved to Int in future releases"
• KT-47449 JVM / IR: ClassCastException IrStarProjectionImpl cannot be cast to IrTypeProjection
• KT-47459 "IndexOutOfBoundsException: Index 0 out of bounds for length 0" caused by MarkertManager dependency
• KT-47480 StackOverflowError: Recursion on erasion of raw type with interdependent type parameters

Tools. Compiler Plugins

• KT-47161 Serializable class can't be inherited from serializable class in other module with: e: org.jetbrains.kotlin.codegen.CompilationException: Back-end (JVM) Internal error: Couldn't transform method node: write$Self
• KT-47455 Kotlin lombok plugin NullPointerException
• KT-47513 Lombok compiler plugin failed with 'Recursion detected in a lazy value under LockBasedStorageManager@1c21db6 (TopDownAnalyzer for JVM)'

Tools. Gradle

• KT-47444 Gradle Plugin: Publishing project with "maven-publish" fails when dependency versions are omitted (NPE in MppDependencyRewritingUtilsKt.associateDependenciesWithActualModuleDependencies)

Tools. kapt

• KT-47416 Kapt Gradle DSL ignores javaCompilerOptions in 1.5.20

v1.5.20

Compiler

New Features

• KT-43262 No error for Java generic class @​NotNull type parameter used in Kotlin with nullable type argument
• KT-44373 FIR: support error / warning suppression
• KT-45189 Support nullability annotations at module level
• KT-45284 Emit warnings based on jspecify annotations
• KT-45525 Allow to omit JvmInline annotation for expect value classes
• KT-46545 Emit annotations on function type parameters into bytecode for -jvm-target 1.8 and above

Performance Improvements

• KT-36646 Don't box primitive values in equality comparison with objects in JVM_IR

Fixes

• KT-8325 Unresolved annotation should be an error
• KT-19455 Type annotation unresolved on a type parameter of a supertype in anonymous object expression
• KT-24643 Prohibit using a type parameter declared for an extension property inside delegate
• KT-25876 Annotations on return types and supertypes are not analyzed
• KT-28449 Annotation target is not analyzed in several cases for type annotations
• KT-36770 Prohibit unsafe calls with expected @​NotNull T and given Kotlin generic parameter with nullable bound
• KT-36880 K/N IR: Reference to expect property in actual declaration is not remapped
• KT-38325 IllegalStateException: No parameter with index 0-0 when iterating Scala 2.12.11 List
• KT-38342 FIR: Consider renaming diagnostic from AMBIGUITY to OVERLOAD_RESOLUTION_AMBIGUITY
• KT-38476 [FIR] Forgotten type approximation
• KT-38540 Kotlin/Native Set.contains fails with specific enum setup
• KT-40425 IrGenerationExtension. Support simple reporting to compiler output (for development/debug)
• KT-41620 ClassCastException: Class cannot be cast to java.lang.Void
• KT-41679 NI: TYPE_MISMATCH wrong type inference of collection with type Any and integer literal
• KT-41818 NI: False positive IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION leads to NothingValueException on delegated properties
• KT-42239 IR: Report compilation error instead of throwing an exception (effectively crash compiler) when some declaration wasn't found while deserialization
• KT-42631 ArrayIndexOutOfBoundsException was thrown during IR lowering
• KT-43258 NI: False positive "Suspend function 'invoke' should be called only from a coroutine or another suspend function" when calling suspend operator fun on object property from last expression of a crossinlined suspend lambda
• KT-44036 Enum initialization order
• KT-44511 FIR DFA: smartcast after if (nullable ?: boolean)
• KT-44554 RAW FIR: NPE in RawFirBuilder
• KT-44682 raw FIR: incorrect source for qualified access
• KT-44695 *_TYPE_MISMATCH_ON_OVERRIDE checkers do not work for anonymous objects
• KT-44699 FIR: incorrect lambda return type (led to a false alarm: PROPERTY_TYPE_MISMATCH_ON_OVERRIDE)
• KT-44802 FIR bootstrap: trying to access package private class
• KT-44813 FIR bootstrap: various errors in collection-like classes
• KT-44814 FIR bootstrap: incorrect cast in when branch
• KT-44942 [FIR] ClassCastException in boostrap tests
• KT-44995 FIR: false positive for ANNOTATION_ARGUMENT_MUST_BE_CONST
• KT-45010 FIR: lambda arguments of inapplicable call is not resolved
• KT-45048 FIR bootstrap: VerifyError on KtUltraLightClass
• KT-45052 FIR bootstrap: inapplicable candidate in GenerateSpecTests.kt
• KT-45121 FIR IDE: redundant vararg parameter type transformation
• KT-45136 Native: dividing Int.MIN_VALUE by -1 crashes or hangs
• KT-45236 JVM / IR: "IllegalStateException: Symbol with IrTypeParameterSymbolImpl is unbound" caused by contracts and sealed class
• KT-45308 Psi2ir: "AssertionError: TypeAliasDescriptor expected" caused by using typealias from one module as a type in another module without a transitive dependency
• KT-45316 [FIR] Ambiguity between two implicit invokes with receiver
• KT-45344 FIR: Wrong inferred type for nullable type parameter
• KT-45385 FIR: false positive MUST_BE_INITIALIZED_OR_BE_ABSTRACT after rethrow
• KT-45475 [FIR] No smartcast after throw in if inside try block
• KT-45508 False negative ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED on a fake override with an abstract super class member
• KT-45578 REPL: Unresolved imports are cached for the subsequent compilations
• KT-45685 JVM IR: capturing a variable into crossinline suspend lambda makes the function inside inline function no longer unbox Result
• KT-45584 [FIR] Fix overriding property and java function in java class
• KT-45697 JVM IR: ISE "Function has no body" on getter of private field in a class present both in sources and dependencies
• KT-45842 Compiler doesn't allow a shared class to inherit a platform-specific sealed class
• KT-45848 False negative [SEALED_INHERITOR_IN_DIFFERENT_MODULE] error in compiler for a platform-specific inheritor of a shared sealed class
• KT-45931 There is no warning based on nullability java annotation
• KT-45998 JVM IR: AE when an accessor to a protected companion object member is being generated in child class
• KT-46048 Enum entries init order in companion object
• KT-46074 FIR: private-in-file fun interface is considered invisible in this file
• KT-46173 No error reporting on annotations on target type of as expression in return
• KT-46235 JVM IR: Stack overflow error on large expressions
• KT-46270 [FIR] Support @PublishedAPI in inline checker
• KT-46539 Generate annotations on type parameters bounds in bytecode
• KT-46578 JVM IR: IllegalAccessError accessing property delegated to java super class protected field reference
• KT-46597 JVM IR: AssertionError: SyntheticAccessorLowering should not attempt to modify other files - crossinline accessor
• KT-46601 JVM / IR: IllegalStateException: "Can't find method 'invokeinvoke`" when default lambda takes inline class parameters
• KT-46670 StackOverflowError on inheritance from raw type where class has protobuf-like recursive generics
• KT-46715 JVM / IR: "AssertionError: Unbound symbols not allowed IrConstructorSymbolImpl" with enum classes with the same name in test and src folders
• KT-46759 JVM IR: CCE in LateinitUsageLowering on @​JvmStatic lateinit property in object
• KT-46777 [Native] [IR] Support suspend function as super type
• KT-46802 JVM / IR: "UnsupportedOperationException: Unknown structure of ADAPTER_FOR_CALLABLE_REFERENCE" caused by function reference on @​JvmStatic function with unused default parameters
• KT-46813 JVM / IR: "ClassCastException: Integer cannot be cast to class Result" with Flow and fold method
• KT-46822 JVM IR: StackOverflowError on compiling a large data class
• KT-46837 Backend Internal error: Exception during IR lowering: assert at IrOverridingUtilKt.buildFakeOverrideMember
• KT-46921 JVM / IR: "IndexOutOfBoundsException: Cannot pop operand off an empty stack" caused by crossinline parameter and label return
• KT-46984 Type parameter bounds aren't used to report corresponding mismatch warnings
• KT-46985 There aren't warnings by java nullability annotations
• KT-46986 There aren't warnings by java nullability annotations
• KT-46989 There aren't warnings by java nullability annotations
• KT-46990 There aren't warnings by java nullability annotations on method's violated type arguments
• KT-47019 K/N: IrProperty.overriddenSymbols can't be used in common IR backend modules yet because it doesn't fully work in Native

Docs & Examples

• KT-33783 Document when a range created with rangeTo is empty

IDE

• KT-44638 clone() call is unresolved in JVM module of a multiplatform project
• KT-45629 [ULC] KtUltraLightFieldForSourceDeclaration.nameIdentifier returns null
• KT-44825 Can't open Kotlin compiler settings in newly created project
• KT-45908 Reproduciable 'org.jetbrains.kotlin.idea.caches.resolve.KotlinIdeaResolutionException: Kotlin resolution encountered a problem while analyzing KtNameReferenceExpression'

IDE. FIR

• KT-45175 FIR IDE: Exception with local property in init block
• KT-45199 FIR IDE: Error while collecting diagnostic on stale element after replacing element in quickfix
• KT-45312 FIR IDE: FIR plugin throws exception on synthetic function

IDE. Gradle Integration

• KT-34401 KotlinGradleModelBuilder builds models for non-kotlin modules and always trigger full task configuration.
• KT-45277 Wrong jvm target in gradle module in IDEA
• KT-46488 Import of a multiplatform project with MPP module depending on Kotlin/JVM one fails

IDE. Inspections and Intentions

• KT-45075 Inspection: Redundant creation of Json format
• KT-45347 Sealed interfaces: quickfix to move to package/module of sealed class/interface should not be shown in case of read-only declaration
• KT-45348 Sealed interfaces: show error for usage of sealed class/interface from a library in Java source code
• KT-46063 In multiplatform code, suggest to generate remaining when branches at least for shared sealed classes

IDE. Refactorings

• KT-44431 Quickfix to move class/interface to proper location: it is allowed to choose test source in JPS project while compiler does not allow it

IDE. Native

• KT-39320 [Commonizer] Reduce memory consumption

JavaScript

• KT-40235 KJS: IR. Broken support for external interface companion
• KT-40689 KJS / IR: strange and slow code for kotlin.math.max and kotlin.math.min for Double
• KT-44138 KJS / IR: Constant folding works incorrectly with unsigned arithmetic
• KT-44394 KJS / IR: null companion object for existed stdlib interfaces NodeFilter and SVGUnitTypes
• KT-44950 KJS / IR: "IllegalStateException: Can't find name for declaration" in case of extending export declared class without @​JsExport annotation
• KT-45057 KJS / IR: "ClassCastException" when using js function in init block
• KT-45361 KJS / IR: IrConstructorCall representing annotation always returns Unit
• KT-46608 KJS: "Could not load content..." for source maps
• KT-45655 KJS: "REINTERPRET_CAST" is not copyable
• KT-45866 Default parameter with generic in expect-actual declarations
• KT-46859 Exception during IR lowering: NullPointerException was thrown at: optimizations.FoldConstantLowering.tryFoldingUnaryOps

KMM Plugin

• KT-43899 KMM: Fix "stale framework" usage by XCode & AppCode in default build script

Libraries

• KT-43701 Stdlib: Expand KDoc of inc() and dec() for operators
• KT-46002 Support all Unicode digit chars in digitToInt (JS and Native)
• KT-46183 Add default value for ignoreCase in K/N String.replace/replaceFirst
• KT-46184 Equivalize isLowerCase and isUpperCase behavior in all platforms

Native

• KT-33175 IR: String constants with incorrect surrogate pairs aren't preserved during serialization/deserialization
• KT-44799 Different behavior with functional interfaces in Kotlin/Native on iOS

Native. C Export

• KT-42796 [Reverse C Interop] Package with no public methods generate empty struct in the header, leading to an error

Native. ObjC Export

• KT-38600 Kotlin MP iOS Target doesn't contain kdoc comments
• KT-45127 KMM: hard to pass an error to Kotlin code from implementation of Kotlin method in Swift code

Native. Runtime. Memory

• KT-45063 Profiling indicates that a lot of time is spent on updateHeapRef on Apple platforms when running KMP code

Reflection

• KT-10838 Provide sensible toString() for property accessors in reflection
• KT-13490 Equality doesn't work for KProperty.Accessor implementations

Tools. CLI

• KT-14772 ISE (FNFE "Not a directory") on compilation with destination argument clashing with an existing file which is not a directory
• KT-18184 CompileEnvironmentException: Invalid jar path on "-d" with .jar in non-existing directory
• KT-40977 Report a readable diagnostic on empty -J argument in CLI

Tools. Commonizer

• KT-45497 [Commonizer] c-interop commonization: Dependency commonization
• KT-46077 [Commonizer] Add commonizer_target to commonized klib's manifest
• KT-46107 [Commonizer] CInteropCommonizerTask receives faulty dependencies in multi module projects containing multiple c-interops
• KT-46248 MPP: Compile KotlinMetadata fails with Unresolved reference if only one native platform from shared source set is available
• KT-46856 [Commonizer] Many targets can fail with 'filename too long'

Tools. Compiler Plugins

• KT-7112 Support calling Lombok-generated methods within same module
• KT-45538 Serialization, JVM IR: "AssertionError: No such type argument slot in IrConstructorCallImpl" with inner classes
• KT-45541 JVM / IR / Serialization: NullPointerException caused by "Serializable" annotation and local data class
• KT-46469 Kotlin Lombok: accessors with AccessLevel.MODULE fail to resolve
• KT-46529 Kotlin Lombok: with @Accessors without explicit prefix the prefix from lombok.config is not taken into account
• KT-46531 Kotlin Lombok: lombok.getter.noIsPrefix is processed depending on character case
• KT-46920 NullPointerException in CodeGeneratorVisitor when packing for xcode

Tools. Gradle

• KT-24533 Kapt should not run when annotation processors are not configured
• KT-43988 Enable plugin validation during build
• KT-45301 Gradle: Empty build/kotlin dir with custom build directory
• KT-45519 loadAndroidPluginVersion() impacts performance negatively and noticeably in multimodule Android build
• KT-45744 Create Kotlin Gradle Plugin JUnit5 basic test setup
• KT-45834 Gradle Plugin read system property related to kotlinCompilerClasspath breaks use of configuration cache
• KT-46401 Deprecate 'kotlin.parallel.tasks.in.project' build property
• KT-46820 Gradle: kotlinc (1.5.0) race condition causes a NullPointerException
• KT-47317 Restore 'kotlinPluginVersion' property in 'KotlinBasePluginWrapper'

Tools. Gradle. JS

• KT-42911 Support Gradle configuration cache for K/JS tasks
• KT-45294 KJS / Gradle: Number of modules in project affects JS tasks configuration cache state size
• KT-45754 KJS / IR: Remove adding option of source maps in Gradle plugin
• KT-46178 KJS / Dukat: Added as a dependency always without condition
• KT-46976 KJS: Broken support for dynamically created webpack.config.d
• KT-47045 [Gradle, JS] Task requirements are added to all compilations with same name

Tools. Gradle. Multiplatform

• KT-36679 MPP Gradle plugin: Improve messaging for the commonizer
• KT-45832 CInteropCommonization: Filter out illegal dependencies
• KT-46394 Multiplatform: Gradle 7 support
• KT-46517 Add kotlin-project-model as api dependency to kotlin-gradle-plugin-api

Tools. Gradle. Native

• KT-27240 MPP Gradle plugin: Provide a framework packing task for Kotlin/Native
• KT-39016 Missing stdlib when the downloading process was aborted
• KT-40907 Xcode error after switching between device and simulator: Building for iOS, but the linked and embedded framework was built for iOS Simulator.
• KT-44059 iosSimTest tasks are never up-to-date
• KT-45801 compileIosMainKotlinMetadata compilation property of gradle task is not initialized and fails with Execution failed for task ':shared:generateProjectStructureMetadata'
• KT-46680 Register concrete "embedAndSign" tasks instead umbrella
• KT-46892 Kotlin Multiplatform Gradle Plugin: EmbedAndSign task always contains a default framework name

Tools. Incremental Compile

• KT-44741 Incremental compilation: inspectClassesForKotlinIC doesn't determine changes with imported constant

Tools. JPS

• KT-34351 KotlinTargetsIndex creation takes too long even if project doesn't have any kotlin
• KT-45191 [JPS] Marking method as "default" in Java SAM interface doesn't affect dependencies
• KT-46242 Support Lombok kotlin plugin in JPS and maven

Tools. kapt

Performance Improvements

• KT-28901 Consider caching annotation processors classloaders

Fixes

• KT-27123 kapt: missing space in error log makes location non-clickable
• KT-29929 [Kapt] Stub generator uses constant value in method annotation instead of constant name 2.
• KT-31146 kapt: executableElement.getAnnotation(JvmOverloads::class.java) returns null
• KT-32202 Gradle task kaptKotlin fails: "module not found" in Java 11 modular application
• KT-34838 Kapt: 'cannot find symbol' for a top-level property with anonymous delegate
• KT-35104 Support @​JvmStatic in KAPT stubs
• KT-35167 Kapt Gradle plugin doesn't handle --module-path javac argument
• KT-37586 KAPT: When delegated property use an unknown type (to-be-generated class), correctTypeError will mess up the $delegate field type
• KT-39060 Kapt: correctErrorTypes don't retain return type of getter in Java stub
• KT-39715 KaptGenerateStubsTask resolves annotation processor options too early (before execution time)
• KT-41581 Kapt doesn't have line breaks between warnings
• KT-43804 Kapt fails to preserve parameter names in open suspend functions
• KT-43686 KaptWithoutKotlincTask should use @CompileClasspath for kotlinStdlibClasspath for cache relocateability.
• KT-45032 Kapt: NullPointerException: insnList.first must not be null
• KT-46176 Kapt: "java.lang.IndexOutOfBoundsException: Index -1 out of bounds for length 3" with delegation and property reference

v1.5.10

Compiler

Fixes

• KT-41078 Incorrect type substitution in contracts with type parameters
• KT-44770 JVM / IR: "IllegalArgumentException: Unrecognized Type: [null]" Jackson doesn't recognize type
• KT-45084 JVM IR: "NoSuchElementException: Sequence contains no element matching the predicate" when inline class is passed to lambda with >22 parameters
• KT-45779 JVM / IR: java.lang.NoSuchMethodError: 'int java.lang.Integer.plus(int)' caused by function reference
• KT-45941 JVM IR: local functions use generic type parameters of the outer class in the bytecode, which breaks Bytebuddy and MockK
• KT-46149 Generate synthetic classes for SAM adapters with erased instead of generic supertype
• KT-46189 JVM IR: tailrec function with capturing lambda in default parameter value leads to NoSuchMethodError at runtime
• KT-46214 JVM / IR: "IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER" on a suspend function in an inner class
• KT-46238 JVM IR: BootstrapMethodError in JDK 11+ on intersection type passed in arguments of SAM adapter where SAM interface's type parameter has a non-trivial upper bound
• KT-46259 JVM IR: local function for adapted function reference is not declared as ACC_SYNTHETIC
• KT-46284 JVM IR: "Unbound private symbol IrClassSymbol" on class reference to script class
• KT-46402 IllegalAccessError: "CapturedLambdaInterpreter (in unnamed module @​0x71b06418) cannot access class jdk.internal.org.objectweb.asm.Type" caused by inline function with a suspend parameter in Maven project
• KT-46408 JVM IR: BootstrapMethodError due to missing bridge for subclass of generic Java interface
• KT-46426 JVM IR: Corrupted .class file when passing Array constructor reference as (inline) lambda
• KT-46455 OOM on parsing invalid code with string interpolation
• KT-46503 JVM IR: "AssertionError: Unexpected variance in super type argument: out @​1"
• KT-46505 JVM IR: NullPointerException caused by a callable reference with nullable inline value class parameter
• KT-46512 JVM / IR: NoSuchMethodError on SAM conversion of a function reference
• KT-46515 IndexOutOfBoundsException: "Empty list doesn't contain element at index 0." on bad variable name in 1.5.0
• KT-46516 JVM IR: "AnalyzerException: Expected I, but found R" on subclassing AbstractMutableList
• KT-46524 Cannot use unsigned literals with api-version < 1.5 even with opt-in
• KT-46537 JVM / IR: "IllegalStateException: No noarg super constructor for CLASS" caused by "No-arg" plugin with annotation on child class
• KT-46540 JVM / IR: AnalyzerException: Expected an object reference, but found J caused by java.function.Supplier
• KT-46554 JVM IR: "IllegalStateException: No mapping for symbol: VAR IR_TEMPORARY_VARIABLE" with value class constructor delegation call
• KT-46555 JVM IR: IllegalAccessError when using Java method reference
• KT-46562 Kotlin 1.5.0 generates non-serializable lambdas when they should be serializable
• KT-46568 JVM IR: "AssertionError: IrCall expected inside JvmStatic wrapper" on compiling protected static function with return type Nothing inside companion object of abstract class
• KT-46574 JVM / IR: ClassCastException caused by runBlocking awaiting call while returning Kotlin.Result type.
• KT-46579 JVM IR: "IllegalArgumentException: Sequence contains more than one matching element" for Java enum with overloaded values() static method
• KT-46584 JVM IR: Intrinsics.needClassReification (UnsupportedOperationException thrown). Property delegate provider crossinline lambda inlining/reification issue
• KT-46751 JVM / IR:"ClassCastException: java.lang.String cannot be cast to java.lang.Void" in extension function in Kotlin 1.5

IDE

• KT-45981 failed to analyze: java.lang.AssertionError: diagnostic callback has been already registered: Code analysis get stuck in AS 2020.3.1.14 & Kotlin v1.5.0-M2
• KT-46622 60+ second freezes with Kotlin plugin 1.5.0: GetModuleInfoKt.findJvmStdlibAcrossDependencies

IDE. Gradle Integration

• KT-46417 [UNRESOLVED_REFERENCE] For p

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