kotlin-fork/ChangeLog.md

## 1.8.21

### Compiler

- [`KT-57848`](https://youtrack.jetbrains.com/issue/KT-57848) Native: compilation of dynamic/static library fails with Xcode 14.3
- [`KT-57875`](https://youtrack.jetbrains.com/issue/KT-57875) Native compilation failure: Suspend functions should be lowered out at this point, but FUN LOCAL_FUNCTION_FOR_LAMBDA
- [`KT-57946`](https://youtrack.jetbrains.com/issue/KT-57946) KAPT: "RuntimeException: No type for expression" with delegate

### JavaScript

- [`KT-57356`](https://youtrack.jetbrains.com/issue/KT-57356) KJS: StackOverflowException on @JsExport with type parameters referring to one another

### Tools. Compiler plugins. Serialization

- [`KT-58067`](https://youtrack.jetbrains.com/issue/KT-58067) Serialization: NullPointerException caused by @Contextual property with type with generic
- [`KT-57730`](https://youtrack.jetbrains.com/issue/KT-57730) Serialization: "IllegalStateException: Serializer for element of type <root>.Foo has not been found" caused by serialization of Java type

### Tools. Gradle. JS

- [`KT-57766`](https://youtrack.jetbrains.com/issue/KT-57766) KJS / Gradle "Module not found: Error: Can't resolve 'kotlin-kotlin-stdlib-js-ir'" when using "useEsModules"

### Tools. Kapt

- [`KT-58027`](https://youtrack.jetbrains.com/issue/KT-58027) Kotlin 1.8.20 kapt issue "null: KtCallExpression: build()"

### Tools. Maven

- [`KT-58048`](https://youtrack.jetbrains.com/issue/KT-58048) Maven: "Too many source module declarations found" after upgrading to 1.8.20
- [`KT-58101`](https://youtrack.jetbrains.com/issue/KT-58101) 'Unable to access class' in kotlin-maven-plugin after updating to Kotlin 1.8.20


## 1.8.20

### Analysis API

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

### Analysis API. FE1.0

- [`KT-55825`](https://youtrack.jetbrains.com/issue/KT-55825) AA FE1.0: stackoverflow when resolution to a function with a recursive type parameter

### Analysis API. FIR

- [`KT-54311`](https://youtrack.jetbrains.com/issue/KT-54311) K2: proper implementation of KtSymbolPointer
- [`KT-50238`](https://youtrack.jetbrains.com/issue/KT-50238) Analysis API: Implement KSymbolPointer for KtSymbol

### Analysis API. FIR Low Level API

- [`KT-52160`](https://youtrack.jetbrains.com/issue/KT-52160) FIR: Substitution overrides on FirValueParameter-s are incorrectly unwrapped
- [`KT-55566`](https://youtrack.jetbrains.com/issue/KT-55566) LL FIR: Tests in `compiler/testData/diagnostics/tests/testsWithJava17` fail under LL FIR
- [`KT-55339`](https://youtrack.jetbrains.com/issue/KT-55339) LL FIR: Missing RECURSIVE_TYPEALIAS_EXPANSION error in function type alias
- [`KT-55327`](https://youtrack.jetbrains.com/issue/KT-55327) LL FIR: Diverging UNRESOLVED_REFERENCE errors in recursive local function test
- [`KT-54826`](https://youtrack.jetbrains.com/issue/KT-54826) KtSymbolPointer: migrate from IdSignature to our own solution

### Android

- [`KT-54464`](https://youtrack.jetbrains.com/issue/KT-54464) MPP, Android SSL2: Add a flag for suppressing warning in case of using Android Style folders

### Backend. Wasm

- [`KT-38924`](https://youtrack.jetbrains.com/issue/KT-38924) Wasm support in nodejs
- [`KT-56160`](https://youtrack.jetbrains.com/issue/KT-56160) Getting WebAssembly.CompileError in browsers not supported GC and other required proposals
- [`KT-46773`](https://youtrack.jetbrains.com/issue/KT-46773) Implement an experimental version of the Kotlin/Wasm compiler backend
- [`KT-56584`](https://youtrack.jetbrains.com/issue/KT-56584) K/Wasm: Can't link symbol class
- [`KT-56166`](https://youtrack.jetbrains.com/issue/KT-56166) Fix compatibility with Firefox Nightly
- [`KT-55589`](https://youtrack.jetbrains.com/issue/KT-55589) Basic support of WASI
- [`KT-53790`](https://youtrack.jetbrains.com/issue/KT-53790) Reading from "node:module" is not handled by plugins error with Kotlin/Wasm 1.7.20-Beta

### Compiler

#### New Features

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

#### Performance Improvements

- [`KT-33722`](https://youtrack.jetbrains.com/issue/KT-33722) JVM: Result API causes unnecessary boxing
- [`KT-53330`](https://youtrack.jetbrains.com/issue/KT-53330) Optimize for-loops and contains over open-ended ranges with until operator (`..<`) for all backends
- [`KT-54415`](https://youtrack.jetbrains.com/issue/KT-54415) JVM BE: performance loss related to multi-field inline class lowering
- [`KT-48759`](https://youtrack.jetbrains.com/issue/KT-48759) Infix compareTo boxes inline classes
- [`KT-55033`](https://youtrack.jetbrains.com/issue/KT-55033) Make org.jetbrains.kotlin.resolve.calls.inference.model.NewConstraintSystemImpl#runTransaction an inline function
- [`KT-54501`](https://youtrack.jetbrains.com/issue/KT-54501) Improve code generation for inline classes with custom equals

#### Fixes

- [`KT-56965`](https://youtrack.jetbrains.com/issue/KT-56965) K/N: linkDebugFrameworkIosArm64 tasks failing with UnsupportedOperationException: VAR name:disposables type:com.badoo.reaktive.disposable.CompositeDisposable [val]
- [`KT-56611`](https://youtrack.jetbrains.com/issue/KT-56611) Native: new native caches are broken when KONAN_DATA_DIR is defined to a directory inside ~/.gradle
- [`KT-55251`](https://youtrack.jetbrains.com/issue/KT-55251) Enum.entries compilation error should be more specific
- [`KT-56527`](https://youtrack.jetbrains.com/issue/KT-56527) K2: "AssertionError: Assertion failed" during compilation in SequentialFilePositionFinder
- [`KT-56526`](https://youtrack.jetbrains.com/issue/KT-56526) InvalidProtocolBufferException on reading module metadata compiled by K2 in 1.8.20
- [`KT-57388`](https://youtrack.jetbrains.com/issue/KT-57388) Kapt+JVM_IR: "RuntimeException: No type for expression" for delegated property
- [`KT-53153`](https://youtrack.jetbrains.com/issue/KT-53153) Synthetic Enum.entries can be shadowed by user-defined declarations
- [`KT-51290`](https://youtrack.jetbrains.com/issue/KT-51290) "AssertionError: Parameter indices mismatch at context" with context receivers
- [`KT-57242`](https://youtrack.jetbrains.com/issue/KT-57242) Equals behaviour for value classes implementing interfaces is different between 1.8.10 and 1.8.20-RC
- [`KT-57261`](https://youtrack.jetbrains.com/issue/KT-57261) "IllegalArgumentException was thrown at: MemoizedInlineClassReplacements.getSpecializedEqualsMethod" when comparing non-inline class instance with an inline class instance
- [`KT-57107`](https://youtrack.jetbrains.com/issue/KT-57107) Handling of Windows line endings CRLF broken in latest snapshot with K2
- [`KT-57117`](https://youtrack.jetbrains.com/issue/KT-57117) K2: Compiler reports invalid columns in diagnostics in case of crlf line endings
- [`KT-56500`](https://youtrack.jetbrains.com/issue/KT-56500) The type parameter TYPE_PARAMETER name:E index:0 variance: superTypes:[kotlin.Any?] reified:false is not defined in the referenced function FUN LOCAL_FUNCTION_FOR_LAMBDA
- [`KT-56258`](https://youtrack.jetbrains.com/issue/KT-56258) VerifyError: Bad local variable type when using -Xdebug
- [`KT-54455`](https://youtrack.jetbrains.com/issue/KT-54455) Unexpected result of equality comparison of inline class objects
- [`KT-56251`](https://youtrack.jetbrains.com/issue/KT-56251) Generic Java synthetic property references don't work in K2
- [`KT-55886`](https://youtrack.jetbrains.com/issue/KT-55886) K2: Wrong code location mapping with Windows line endings
- [`KT-43296`](https://youtrack.jetbrains.com/issue/KT-43296) FIR: Complicated interaction between smart cast and inference leads to false-positive diagnostic
- [`KT-57053`](https://youtrack.jetbrains.com/issue/KT-57053) Problem around anonymous objects in inline functions
- [`KT-54950`](https://youtrack.jetbrains.com/issue/KT-54950) NoSuchMethodError on calling 'addAll' on inline class implementing mutable list
- [`KT-56815`](https://youtrack.jetbrains.com/issue/KT-56815) compileKotlin task is stuck with while(true) and suspend function
- [`KT-56847`](https://youtrack.jetbrains.com/issue/KT-56847) Unresolved reference to Java annotation in Kotlin class with the same name packages
- [`KT-52459`](https://youtrack.jetbrains.com/issue/KT-52459) Context receivers: AbstractMethodError caused by Interface method with both an extension and a context receiver is overriden incorrectly in subclasses
- [`KT-56215`](https://youtrack.jetbrains.com/issue/KT-56215) JVM: Object extension function nullable receiver null check false negative when object is null
- [`KT-56188`](https://youtrack.jetbrains.com/issue/KT-56188) K/N: AssertionError when casting SAM wrapper with generic type parameter
- [`KT-56033`](https://youtrack.jetbrains.com/issue/KT-56033) Restore 'isMostPreciseContravariantArgument' function signature for compatibility
- [`KT-56407`](https://youtrack.jetbrains.com/issue/KT-56407) Backend Internal error: Exception during IR lowering during `:daemon-common-new:compileKotlin`
- [`KT-55887`](https://youtrack.jetbrains.com/issue/KT-55887) K2. "IllegalStateException: org.jetbrains.kotlin.ir.expressions.impl.IrErrorCallExpressionImpl is not expected" on adding kotlin.plugin.jpa
- [`KT-56701`](https://youtrack.jetbrains.com/issue/KT-56701) K2 (with LightTree) reports syntax errors without additional information
- [`KT-56649`](https://youtrack.jetbrains.com/issue/KT-56649) K2 uses 0-index for line numbers rather than 1-index
- [`KT-54807`](https://youtrack.jetbrains.com/issue/KT-54807) K2. Support `@OnlyInputTypes` diagnostic checks (`contains` like calls)
- [`KT-51247`](https://youtrack.jetbrains.com/issue/KT-51247) "AssertionError: org.jetbrains.kotlin.ir.expressions.impl.IrFunctionReferenceImpl" caused by context receiver functional types
- [`KT-55436`](https://youtrack.jetbrains.com/issue/KT-55436) K1: implement warning about shadowing of the derived property by the base class field
- [`KT-56521`](https://youtrack.jetbrains.com/issue/KT-56521) Static scope initializers sometimes not called when first accessed from interop
- [`KT-49182`](https://youtrack.jetbrains.com/issue/KT-49182) Strange cast from Unit to String
- [`KT-55288`](https://youtrack.jetbrains.com/issue/KT-55288) False negative WRONG_ANNOTATION_TARGET on type under a nullability qualifier
- [`KT-33132`](https://youtrack.jetbrains.com/issue/KT-33132) Cannot override the equals operator twice (in a class and its subclass) unless omitting the operator keyword in the subclass
- [`KT-56061`](https://youtrack.jetbrains.com/issue/KT-56061) K1 does not report error on inconsistent synthetic property assignment
- [`KT-55483`](https://youtrack.jetbrains.com/issue/KT-55483) K2: Fir is not initialized for FirRegularClassSymbol java/lang/invoke/LambdaMetafactory
- [`KT-55125`](https://youtrack.jetbrains.com/issue/KT-55125) Difference in generated bytecode for open suspend functions of generic classes
- [`KT-54140`](https://youtrack.jetbrains.com/issue/KT-54140) SOE at `IrBasedDescriptorsKt.makeKotlinType` with mixing recursive definitely not nullable type with nullability
- [`KT-56224`](https://youtrack.jetbrains.com/issue/KT-56224) Clarify message "Secondary constructors with bodies are reserved for for future releases" for secondary constructors in value classes with bodies
- [`KT-54662`](https://youtrack.jetbrains.com/issue/KT-54662) K2: Assign operator ambiguity on synthetic property from java
- [`KT-54507`](https://youtrack.jetbrains.com/issue/KT-54507) K2: Wrong `implicitModality` for interface in `FirHelpers`
- [`KT-55912`](https://youtrack.jetbrains.com/issue/KT-55912) "UnsupportedOperationException: Unsupported const element type kotlin.Any" caused by `kotlin` fqn in annotation
- [`KT-56018`](https://youtrack.jetbrains.com/issue/KT-56018) [K2/N] Fir2Ir does not take value parameters annotations from FIR to IR
- [`KT-56091`](https://youtrack.jetbrains.com/issue/KT-56091) [K2/N] Fix various property annotations
- [`KT-54209`](https://youtrack.jetbrains.com/issue/KT-54209) K2: false positive deprecation on a class literal with deprecated companion
- [`KT-55977`](https://youtrack.jetbrains.com/issue/KT-55977) [K2/N] Suspend function reference type is wrongly serialized to klib
- [`KT-55493`](https://youtrack.jetbrains.com/issue/KT-55493) K2: False-negative VAL_REASSIGNMENT
- [`KT-55372`](https://youtrack.jetbrains.com/issue/KT-55372) K2: false-negative INVISIBLE_MEMBER for call of static method of package-private Java grandparent class
- [`KT-55371`](https://youtrack.jetbrains.com/issue/KT-55371) K2: compiled code fails trying to call static method of package-private Java grandparent class
- [`KT-55408`](https://youtrack.jetbrains.com/issue/KT-55408) K2: can't access indirectly inherited from a package-private class Java members through a type alias
- [`KT-55116`](https://youtrack.jetbrains.com/issue/KT-55116) K2: store static qualifiers in dispatch receiver field
- [`KT-55996`](https://youtrack.jetbrains.com/issue/KT-55996) K2: cannot switch the light tree mode off with -Xuse-fir-lt=false
- [`KT-55368`](https://youtrack.jetbrains.com/issue/KT-55368) K2/MPP: Metadata compiler
- [`KT-54305`](https://youtrack.jetbrains.com/issue/KT-54305) K1: implement warning "synthetic setter projected out"
- [`KT-52027`](https://youtrack.jetbrains.com/issue/KT-52027) "NullPointerException" when using context receivers with inline fun
- [`KT-55984`](https://youtrack.jetbrains.com/issue/KT-55984) Stack allocated array is not cleaned between loop iterations
- [`KT-52593`](https://youtrack.jetbrains.com/issue/KT-52593) Provide Alpha support for JS in the K2 platform
- [`KT-54656`](https://youtrack.jetbrains.com/issue/KT-54656) NoSuchMethodError on invoking Java constructor which takes an inline value class as a parameter
- [`KT-56015`](https://youtrack.jetbrains.com/issue/KT-56015) Remove unnecessary stack traces for special checks for ObjC interop
- [`KT-55606`](https://youtrack.jetbrains.com/issue/KT-55606) K2. Infix operator "in" works on ConcurrentHashMap when it's declared through another class
- [`KT-53884`](https://youtrack.jetbrains.com/issue/KT-53884) K2: "IllegalStateException: Fir is not initialized for FirRegularClassSymbol com/appodeal/consent/Consent.a" when importing this class
- [`KT-54502`](https://youtrack.jetbrains.com/issue/KT-54502) Synthetic extensions on raw types work differently from regular getter calls
- [`KT-49351`](https://youtrack.jetbrains.com/issue/KT-49351) FIR: Raw type scopes are unsupported
- [`KT-49345`](https://youtrack.jetbrains.com/issue/KT-49345) FIR: Properly support raw types in type parameter upper bounds
- [`KT-55733`](https://youtrack.jetbrains.com/issue/KT-55733) K2. Reference resolve works incorrectly for classes declared through typealias
- [`KT-46369`](https://youtrack.jetbrains.com/issue/KT-46369) FIR: Investigate raw types for arrays
- [`KT-41794`](https://youtrack.jetbrains.com/issue/KT-41794) [FIR] Implement raw type based scope
- [`KT-55181`](https://youtrack.jetbrains.com/issue/KT-55181) K2. No compilation error on throwing not throwable
- [`KT-55398`](https://youtrack.jetbrains.com/issue/KT-55398) Kotlin inline nested inline lambda's inline variable will inline not correctly
- [`KT-55359`](https://youtrack.jetbrains.com/issue/KT-55359) K2. No error when secondary constructor does not delegate to primary one
- [`KT-55759`](https://youtrack.jetbrains.com/issue/KT-55759) K2: Unresolved reference of `serializer` if library linking is used (with kotlinx.serialization plugin)
- [`KT-54705`](https://youtrack.jetbrains.com/issue/KT-54705) Kotlin scripting doesn't support files with UTF-8 BOM
- [`KT-51753`](https://youtrack.jetbrains.com/issue/KT-51753) FIR: various errors due to expect/actual mapping absence in translator
- [`KT-44515`](https://youtrack.jetbrains.com/issue/KT-44515) FIR DFA: extract non-null info from anonymous object's initialization
- [`KT-55018`](https://youtrack.jetbrains.com/issue/KT-55018) K2 / serialization: FIR2IR fails on local companion
- [`KT-55284`](https://youtrack.jetbrains.com/issue/KT-55284) Refactor org.jetbrains.kotlin.diagnostics.KtDiagnosticReportContextHelpersKt#reportOn(...)
- [`KT-55693`](https://youtrack.jetbrains.com/issue/KT-55693) K2. Type inference changed in k2
- [`KT-54742`](https://youtrack.jetbrains.com/issue/KT-54742) K2: lambda with conditional bare `return` inferred to return Any, not Unit
- [`KT-54332`](https://youtrack.jetbrains.com/issue/KT-54332) Add deprecation warning for false-negative TYPE_MISMATCH for KT-49404
- [`KT-55509`](https://youtrack.jetbrains.com/issue/KT-55509) Invisible fake overrides are listed among lazy IR class members
- [`KT-55597`](https://youtrack.jetbrains.com/issue/KT-55597) K2. `This type has a constructor, and thus must be initialized here` error is missed for anonymous object inherits class with no-arg constructor
- [`KT-54357`](https://youtrack.jetbrains.com/issue/KT-54357) "ClassCastException: class org.jetbrains.kotlin.resolve.scopes.receivers.ExtensionReceiver cannot be cast to class org.jetbrains.kotlin.resolve.scopes.receivers.ContextClassReceiver" with anonymous object extending a class with a context receiver
- [`KT-51397`](https://youtrack.jetbrains.com/issue/KT-51397) "VerifyError: Bad type on operand stack" with context receivers
- [`KT-54905`](https://youtrack.jetbrains.com/issue/KT-54905) KLIB check on compiled with pre-release version
- [`KT-55615`](https://youtrack.jetbrains.com/issue/KT-55615) K2 often does not expand type aliases in annotation position
- [`KT-54522`](https://youtrack.jetbrains.com/issue/KT-54522) K2: ambiguity between operator candidates on += (plusAssign) to reassigned var of MutableList type
- [`KT-54300`](https://youtrack.jetbrains.com/issue/KT-54300) K2: No "Projections are not allowed for immediate arguments of a supertype" for projection in supertypes of an anonymous object
- [`KT-55495`](https://youtrack.jetbrains.com/issue/KT-55495) K2: support lateinit intrinsic applicability checker
- [`KT-55494`](https://youtrack.jetbrains.com/issue/KT-55494) MPP. Error when building for native: Compilation failed: Global 'kclass:io.ktor.serialization.$deserializeCOROUTINE$0' already exists
- [`KT-54980`](https://youtrack.jetbrains.com/issue/KT-54980) K2: Explicit type arguments in calls with the wrong number of type arguments are not resolved
- [`KT-54730`](https://youtrack.jetbrains.com/issue/KT-54730) K2: type aliases to generic functional interfaces attempt to re-infer explicitly specified type parameters
- [`KT-55611`](https://youtrack.jetbrains.com/issue/KT-55611) IC / MPP: Optional internal annotations are not visible on incremental builds
- [`KT-55324`](https://youtrack.jetbrains.com/issue/KT-55324) K2: ControlFlowGraphBuilder fails with index out of bounds exception
- [`KT-55656`](https://youtrack.jetbrains.com/issue/KT-55656) K2: PRIMARY_CONSTRUCTOR_DELEGATION_CALL_EXPECTED being a warning causes a NPE in runtime
- [`KT-51277`](https://youtrack.jetbrains.com/issue/KT-51277) "NoSuchElementException: Collection contains no element matching the predicate" with context receivers and star projection
- [`KT-52791`](https://youtrack.jetbrains.com/issue/KT-52791) Class with multiple context receivers fails -Xvalidate-ir with "Validation failed in file"
- [`KT-55071`](https://youtrack.jetbrains.com/issue/KT-55071) Shared Native Compilation: Calls from intermediate common source set cannot use default parameters declared in expect common functions
- [`KT-52193`](https://youtrack.jetbrains.com/issue/KT-52193) Native: Unable to call primary constructor with default values in an actual class without passing the values, in nativeMain source set
- [`KT-54573`](https://youtrack.jetbrains.com/issue/KT-54573) K2: untouched implicit types in delegated constructor call of data class with `@JvmRecord`
- [`KT-55037`](https://youtrack.jetbrains.com/issue/KT-55037) Support jspecify annotations moved to the new package org.jspecify.annotations in jspecify 0.3
- [`KT-48989`](https://youtrack.jetbrains.com/issue/KT-48989) JVM / IR: "IllegalStateException: Bad exception handler end" when first parameter of inline function is nullable with "try/catch/finally" default value and second parameter tries to call toString() on the first
- [`KT-55231`](https://youtrack.jetbrains.com/issue/KT-55231) K2: Contract declarations are not passed to checkers
- [`KT-54411`](https://youtrack.jetbrains.com/issue/KT-54411) False positive: INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION on kotlinx.coroutines code
- [`KT-55005`](https://youtrack.jetbrains.com/issue/KT-55005) Inconsistent behavior of array set operation in Kotlin 1.7.21
- [`KT-44625`](https://youtrack.jetbrains.com/issue/KT-44625) Property backing/delegate field annotations are not serialized/deserialized for non-JVM targets
- [`KT-42490`](https://youtrack.jetbrains.com/issue/KT-42490) Receiver annotations are not serialized/deserialized for non-JVM targets
- [`KT-53441`](https://youtrack.jetbrains.com/issue/KT-53441) K2: cannot access static method of package-private Java grandparent class
- [`KT-54197`](https://youtrack.jetbrains.com/issue/KT-54197) [K2] Exception from inliner for inline function with context receiver
- [`KT-55246`](https://youtrack.jetbrains.com/issue/KT-55246) Disable 'CustomEqualsInValueClasses' feature in 1.9 language version
- [`KT-55247`](https://youtrack.jetbrains.com/issue/KT-55247) Disable 'InlineLateinit' feature in 1.9 language version
- [`KT-53957`](https://youtrack.jetbrains.com/issue/KT-53957) K2 and -Xlambdas=indy: LambdaConversionException on reference to method with both context and extension receivers
- [`KT-55421`](https://youtrack.jetbrains.com/issue/KT-55421) K2: get rid of potentially redundant call of preCacheBuiltinClassMembers from getIrClassSymbol
- [`KT-52815`](https://youtrack.jetbrains.com/issue/KT-52815) Compiler option -Xjdk-release fails to compile mixed projects
- [`KT-52236`](https://youtrack.jetbrains.com/issue/KT-52236) Different modality in psi and fir
- [`KT-54921`](https://youtrack.jetbrains.com/issue/KT-54921) K2: cannot access static field of package-private Java parent class
- [`KT-53698`](https://youtrack.jetbrains.com/issue/KT-53698) K2: FIR2IR fails on call of inivisble extension function with Suppress
- [`KT-53920`](https://youtrack.jetbrains.com/issue/KT-53920) K2: "NoSuchElementException: Key `org.jetbrains.kotlin.fir.resolve.dfa.cfg.ClassExitNode@ef115ab` is missing in the map" with unreachable code and anonymous object
- [`KT-55358`](https://youtrack.jetbrains.com/issue/KT-55358) INTEGER_OPERATOR_RESOLVE_WILL_CHANGE is not reported in return positions of functions
- [`KT-51475`](https://youtrack.jetbrains.com/issue/KT-51475) "ArrayIndexOutOfBoundsException: Index 4 out of bounds for length 4" with context(Any) on inline function with contract
- [`KT-51951`](https://youtrack.jetbrains.com/issue/KT-51951) "IllegalStateException: No receiver" caused by implicit invoke on typealias context receiver
- [`KT-52373`](https://youtrack.jetbrains.com/issue/KT-52373) Context receivers: ClassCastException: function with dispatch, context, and extension receivers produces this when a parameter's default is included
- [`KT-54220`](https://youtrack.jetbrains.com/issue/KT-54220) K2: compiler fails on compiling plus expression on unsigned int
- [`KT-54692`](https://youtrack.jetbrains.com/issue/KT-54692) K2: compiler fails on compiling unsigned shifts
- [`KT-54824`](https://youtrack.jetbrains.com/issue/KT-54824) K2: missing smartcast after two levels of aliasing and a reassignment
- [`KT-53368`](https://youtrack.jetbrains.com/issue/KT-53368) Out of bounds read in sse version of String::hashCode
- [`KT-54978`](https://youtrack.jetbrains.com/issue/KT-54978) K2: Property accesses with explicit type arguments pass frontend checkers
- [`KT-51863`](https://youtrack.jetbrains.com/issue/KT-51863) ClassCastException when using context receivers with named argument.
- [`KT-55123`](https://youtrack.jetbrains.com/issue/KT-55123) JvmSerializableLambda is not applicable in common code in multiplatform projects
- [`KT-45970`](https://youtrack.jetbrains.com/issue/KT-45970) Missing deprecation warnings for constant operators calls in property initializers
- [`KT-54851`](https://youtrack.jetbrains.com/issue/KT-54851) K2: analysis of as/is contains multiple errors that result in missing diagnostics
- [`KT-54668`](https://youtrack.jetbrains.com/issue/KT-54668) K2: Inference error in body of lazy property with elvis with Nothing in RHS
- [`KT-55269`](https://youtrack.jetbrains.com/issue/KT-55269) FIR2IR: Static functions and nested classes are missing from Fir2IrLazyClass
- [`KT-55026`](https://youtrack.jetbrains.com/issue/KT-55026) K2: Function hides internal constructor from another module
- [`KT-53070`](https://youtrack.jetbrains.com/issue/KT-53070) Update intellij testdata fixes for FIR and merge it to master
- [`KT-53492`](https://youtrack.jetbrains.com/issue/KT-53492) No parameter null check generated for constructor taking an inline class type
- [`KT-50489`](https://youtrack.jetbrains.com/issue/KT-50489) Smart cast may lead to failing inference
- [`KT-55160`](https://youtrack.jetbrains.com/issue/KT-55160) Kotlin's fragment element types must not extend `IStubFileElementType`
- [`KT-55143`](https://youtrack.jetbrains.com/issue/KT-55143) K2: INAPPLICABLE_JVM_NAME in JVM does not work for inline classes
- [`KT-47933`](https://youtrack.jetbrains.com/issue/KT-47933) Report warning if kotlin.annotation.Repeatable is used together with java.lang.annotation.Repeatable
- [`KT-55035`](https://youtrack.jetbrains.com/issue/KT-55035) FIR: do not use FirValueParameter for FirFunctionalTypeRef
- [`KT-55095`](https://youtrack.jetbrains.com/issue/KT-55095) Wrong containingDeclarationSymbol in type parameter from Enhancement
- [`KT-53946`](https://youtrack.jetbrains.com/issue/KT-53946) K2: don't resolve Enum.declaringClass and Enum.getDeclaringClass
- [`KT-54673`](https://youtrack.jetbrains.com/issue/KT-54673) K2. "Superclass is not accessible" from interface error for sealed interfaces
- [`KT-55074`](https://youtrack.jetbrains.com/issue/KT-55074) OptIn false negative: constructor call with default argument value
- [`KT-54260`](https://youtrack.jetbrains.com/issue/KT-54260) K2: "AssertionError: No modifier list, but modifier has been found by the analyzer" when annotated annotation and AllOpen plugin
- [`KT-55034`](https://youtrack.jetbrains.com/issue/KT-55034) FIR: provide information about containing function/constructor to FirValueParameter
- [`KT-54744`](https://youtrack.jetbrains.com/issue/KT-54744) K2: reassigning a var erases smartcast info of a variable derived from the old value
- [`KT-53988`](https://youtrack.jetbrains.com/issue/KT-53988) K2: False negative "The expression cannot be a selector (occur after a dot)"
- [`KT-53983`](https://youtrack.jetbrains.com/issue/KT-53983) K2 crashes with NPE when 'this' is used inside enum class constructor
- [`KT-54910`](https://youtrack.jetbrains.com/issue/KT-54910) Can not declare typed equals operator in inline class with "Nothing" return type
- [`KT-54909`](https://youtrack.jetbrains.com/issue/KT-54909) Usage of custom typed equals operator in generic inline class is type-unsafe
- [`KT-53371`](https://youtrack.jetbrains.com/issue/KT-53371) Properly resolve FIR to get fully resolved annotations
- [`KT-53519`](https://youtrack.jetbrains.com/issue/KT-53519) FIR: argument mapping for annotations on value parameter is not properly built
- [`KT-54827`](https://youtrack.jetbrains.com/issue/KT-54827) MPP: "java.lang.IndexOutOfBoundsException: Index: 0" during compilation of `androidMain` target
- [`KT-54417`](https://youtrack.jetbrains.com/issue/KT-54417) K2: move receiver-targeted annotations to KtReceiverParameterSymbol and remove it from FirProperty receiver type
- [`KT-54972`](https://youtrack.jetbrains.com/issue/KT-54972) K2: Local functions with multiple type arguments are broken
- [`KT-54762`](https://youtrack.jetbrains.com/issue/KT-54762) Private constructor is accessible from a public inline function via `@PublishedAPI` annotation
- [`KT-54832`](https://youtrack.jetbrains.com/issue/KT-54832) Deprecate incorrect callable references resolution behavior for KT-54316
- [`KT-54732`](https://youtrack.jetbrains.com/issue/KT-54732) DirectedGraphCondensationBuilder.paint fails with StackOverflowError during linkReleaseFrameworkIos64
- [`KT-54897`](https://youtrack.jetbrains.com/issue/KT-54897) K2: value class with private constructor stripped by jvm-abi-gen cannot be used in another module
- [`KT-54784`](https://youtrack.jetbrains.com/issue/KT-54784) NPE from IrSourceCompilerForInlineKt.nonLocalReturnLabel on non-local break and continue in anonymous initializers and in scripts
- [`KT-54840`](https://youtrack.jetbrains.com/issue/KT-54840) Field for const property on interface companion object loses deprecated status when copied to interface
- [`KT-53825`](https://youtrack.jetbrains.com/issue/KT-53825) class files are generated when compilation fails with platform declaration clash
- [`KT-54526`](https://youtrack.jetbrains.com/issue/KT-54526) K2: Raw type scope is lost after exiting from elvis
- [`KT-54570`](https://youtrack.jetbrains.com/issue/KT-54570) K2: False-positive OVERLOAD_RESOLUTION_AMBIGUITY in case of combination of raw types
- [`KT-52157`](https://youtrack.jetbrains.com/issue/KT-52157) Annotation on type parameter isn't present in the symbol loaded from the library
- [`KT-54318`](https://youtrack.jetbrains.com/issue/KT-54318) VerifyError on `{ null }` in catch block
- [`KT-54654`](https://youtrack.jetbrains.com/issue/KT-54654) K2: Implicit types leaks into delegated member
- [`KT-54645`](https://youtrack.jetbrains.com/issue/KT-54645) K2: Clash of two inherited classes with the same name
- [`KT-53255`](https://youtrack.jetbrains.com/issue/KT-53255) [FIR2IR] StackOverflowError with long when-expression conditions
- [`KT-48861`](https://youtrack.jetbrains.com/issue/KT-48861) No warning on incorrect usage of array type annotated as Nullable in Java
- [`KT-54539`](https://youtrack.jetbrains.com/issue/KT-54539) `@Deprecated` on members of private companion object is no longer needed
- [`KT-54403`](https://youtrack.jetbrains.com/issue/KT-54403) Unexpected behaviour on overridden typed equals in inline class
- [`KT-54536`](https://youtrack.jetbrains.com/issue/KT-54536) Unexpected result of comparison of inline class instances
- [`KT-54603`](https://youtrack.jetbrains.com/issue/KT-54603) ClassCastException on comparison of inline classes with custom equals
- [`KT-54401`](https://youtrack.jetbrains.com/issue/KT-54401) Unhandled exception on compilation inline class with 'equals' from 'Any' returning 'Nothing'
- [`KT-54378`](https://youtrack.jetbrains.com/issue/KT-54378) K2: smart cast breaks subtyping in case with complex projections
- [`KT-53761`](https://youtrack.jetbrains.com/issue/KT-53761) Reified type not propagated to supertype token through two inline functions
- [`KT-53876`](https://youtrack.jetbrains.com/issue/KT-53876) Manually instantiated annotations with unsigned arrays are not equal
- [`KT-51740`](https://youtrack.jetbrains.com/issue/KT-51740) NO_VALUE_FOR_PARAMETER: Consider increasing error highlighting range
- [`KT-54084`](https://youtrack.jetbrains.com/issue/KT-54084) ClassCastException when trying to call a context receiver's method
- [`KT-51282`](https://youtrack.jetbrains.com/issue/KT-51282) IllegalAccessError: Compiler for JVM 1.8+ makes lambdas access unaccessible classes when using `@JvmMultifileClasses`
- [`KT-53479`](https://youtrack.jetbrains.com/issue/KT-53479) False positive "Cannot access 'runCatching' before superclass constructor has been called"
- [`KT-50950`](https://youtrack.jetbrains.com/issue/KT-50950) JVM IR: "AssertionError: FUN SYNTHETIC_GENERATED_SAM_IMPLEMENTATION" when using bound reference to suspend SAM function
- [`KT-49364`](https://youtrack.jetbrains.com/issue/KT-49364) "VerifyError: Bad type on operand stack" on cast which "can never succeed" from ULong to Int
- [`KT-51478`](https://youtrack.jetbrains.com/issue/KT-51478) Inapplicable receiver diagnostic expected when there are two context receiver candidates

### Docs & Examples

- [`KT-32469`](https://youtrack.jetbrains.com/issue/KT-32469) `@Synchronized` on extension method doesn't generate instance lock

### IDE

#### New Features

- [`KTIJ-24378`](https://youtrack.jetbrains.com/issue/KTIJ-24378) Update Kotlin plugin to 1.8.0 in IDEA 223.2

#### Performance Improvements

- [`KT-55445`](https://youtrack.jetbrains.com/issue/KT-55445) KtUltraLightClassModifierList.hasModifierProperty requires resolve for PsiModifier.PRIVATE

#### Fixes

- [`KTIJ-24657`](https://youtrack.jetbrains.com/issue/KTIJ-24657) Disable pre-release and other metadata checks in IDE
- [`KT-55929`](https://youtrack.jetbrains.com/issue/KT-55929) Unresolved dependencies for intermediate multiplatform SourceSets
- [`KTIJ-24179`](https://youtrack.jetbrains.com/issue/KTIJ-24179) Bundle Kotlin 1.8.0 with Intellij IDEA 2022.3.2
- [`KTIJ-23547`](https://youtrack.jetbrains.com/issue/KTIJ-23547) K2 IDE: Functional type: explicit parameter name VS ParameterName annotation
- [`KTIJ-23347`](https://youtrack.jetbrains.com/issue/KTIJ-23347) K2 IDE. False positive "Symbol fun intFun(): Unit is invisible" in tests
- [`KT-55862`](https://youtrack.jetbrains.com/issue/KT-55862) Can't resolve kotlin-stdlib-js sources in IDE
- [`KTIJ-23587`](https://youtrack.jetbrains.com/issue/KTIJ-23587) K2: SOE in delegate field resolution
- [`KT-55782`](https://youtrack.jetbrains.com/issue/KT-55782) [SLC] Typealiases are not exapnded in arguments of annotations
- [`KT-55778`](https://youtrack.jetbrains.com/issue/KT-55778) [SLC] Incorrect determination of useSitePostion for types of local declarations
- [`KT-55780`](https://youtrack.jetbrains.com/issue/KT-55780) [SLC] No approximation of anonymous and local types in members
- [`KT-55743`](https://youtrack.jetbrains.com/issue/KT-55743) K2 SLC: SymbolLightClassForClassOrObject must have a name
- [`KT-55604`](https://youtrack.jetbrains.com/issue/KT-55604) Descriptor leak
- [`KT-55502`](https://youtrack.jetbrains.com/issue/KT-55502) SLC: drop redundant 'final' modifier from synthetic static enum members
- [`KT-55497`](https://youtrack.jetbrains.com/issue/KT-55497) LC: drop `@NotNull` annotation from parameter from synthetic Enum.valueOf
- [`KT-55496`](https://youtrack.jetbrains.com/issue/KT-55496) SLC: generated synthetic enum methods by symbols instead of manual creation
- [`KT-55481`](https://youtrack.jetbrains.com/issue/KT-55481) SLC: implement correct java annotations for annotation classes (Retention, Target, etc.)
- [`KT-55470`](https://youtrack.jetbrains.com/issue/KT-55470) SLC: implement light class for RepeatableContainer
- [`KT-55442`](https://youtrack.jetbrains.com/issue/KT-55442) SLC: 'isInheritor' for 'DefaultImpls' should work correctly
- [`KTIJ-23449`](https://youtrack.jetbrains.com/issue/KTIJ-23449) K2: "parent must not be null" from SymbolLightClassBase.getContext()
- [`KT-40609`](https://youtrack.jetbrains.com/issue/KT-40609) IDE: False positive "Exception is never thrown..." in Java when Kotlin getter is annotated with Throws
- [`KT-54051`](https://youtrack.jetbrains.com/issue/KT-54051) Migrate symbol light classes from KtSymbol to KtElement

### IDE. Completion

- [`KTIJ-22503`](https://youtrack.jetbrains.com/issue/KTIJ-22503) Support code completion for data objects
- [`KTIJ-22361`](https://youtrack.jetbrains.com/issue/KTIJ-22361) ISE “java.lang.IllegalStateException: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImpl <implicit>” on K2

### IDE. Debugger

- [`KTIJ-24259`](https://youtrack.jetbrains.com/issue/KTIJ-24259) Debugger is stuck in an infinite loop in an Android project
- [`KTIJ-24003`](https://youtrack.jetbrains.com/issue/KTIJ-24003) Smart step into doesn't work for Java synthetic properties references
- [`KTIJ-24039`](https://youtrack.jetbrains.com/issue/KTIJ-24039) Support smart step into for property setters

### IDE. Decompiler, Indexing, Stubs

- [`KTIJ-24351`](https://youtrack.jetbrains.com/issue/KTIJ-24351) Kotlin Bytecode tool window: NullPointerException during inlining of inline function with object literal

### IDE. Gradle Integration

- [`KTIJ-24616`](https://youtrack.jetbrains.com/issue/KTIJ-24616) Gradle Integration: "NoSuchMethodError: 'java.util.Collection org.jetbrains.kotlin.idea.projectModel.KotlinCompilation.getDeclaredSourceSets" during sync fail after updating Kotlin IJ Plugin to 1.8.20-Beta
- [`KT-55347`](https://youtrack.jetbrains.com/issue/KT-55347) Broken IDE sync for js: java.lang.IllegalStateException: Accessing Compile Dependencies Transformations is not yet initialised
- [`KTIJ-23781`](https://youtrack.jetbrains.com/issue/KTIJ-23781) TCS: Gradle Sync: Support friend&dependsOn via IdeaKotlinSourceDependency

### IDE. Gradle. Script

- [`KT-56941`](https://youtrack.jetbrains.com/issue/KT-56941) Gradle KTS / Navigation: Go to declaration for Java types doesn't work

### IDE. Inspections and Intentions

- [`KTIJ-23404`](https://youtrack.jetbrains.com/issue/KTIJ-23404) K2 IDE. Platform type is inserted as type parameter for "Change return type" intention
- [`KTIJ-24319`](https://youtrack.jetbrains.com/issue/KTIJ-24319) "Set module version to *" quickfix isn't working
- [`KTIJ-23225`](https://youtrack.jetbrains.com/issue/KTIJ-23225) "Change package" intention unintentionally and intractably replaces text inside of critical strings and comments
- [`KTIJ-23892`](https://youtrack.jetbrains.com/issue/KTIJ-23892) UsePropertyAccessSyntaxInspection should also suggest replacing getter method references with method synthetic properties referencies after Kotlin 1.9
- [`KTIJ-22087`](https://youtrack.jetbrains.com/issue/KTIJ-22087) Support IDE inspections for upcoming data objects
- [`KTIJ-24286`](https://youtrack.jetbrains.com/issue/KTIJ-24286) Constant conditions: false positive "Cast will always fail" with cast of java.lang.String to kotlin.String
- [`KTIJ-23859`](https://youtrack.jetbrains.com/issue/KTIJ-23859) ConvertObjectToDataObjectInspection support more hashCode and toString cases
- [`KTIJ-23760`](https://youtrack.jetbrains.com/issue/KTIJ-23760) Get rid of `readResolve` logic in ConvertObjectToDataObjectInspection

### IDE. KDoc

- [`KTIJ-24342`](https://youtrack.jetbrains.com/issue/KTIJ-24342) KDoc: First line break character is swallowed when pasted

### IDE. Misc

- [`KTIJ-24370`](https://youtrack.jetbrains.com/issue/KTIJ-24370) Remove link to k2.xml from plugin.xml in kt-223 branches
- [`KTIJ-24210`](https://youtrack.jetbrains.com/issue/KTIJ-24210) Compatibility issue with the CUBA plugin

### IDE. Multiplatform

- [`KTIJ-21205`](https://youtrack.jetbrains.com/issue/KTIJ-21205) MPP: Kotlin not configured error is shown for K/N sources if Android target is presented
- [`KT-52172`](https://youtrack.jetbrains.com/issue/KT-52172) Multiplatform: Support composite builds
- [`KT-56198`](https://youtrack.jetbrains.com/issue/KT-56198) Multiplatform;Composite Builds: import fails if single jvm target multiplatform project consume included jvm build
- [`KTIJ-24147`](https://youtrack.jetbrains.com/issue/KTIJ-24147) MPP: NullPointerException: versionString must not be null

### IDE. Refactorings. Move

- [`KTIJ-24243`](https://youtrack.jetbrains.com/issue/KTIJ-24243) Move declarations: "Search in comments and strings" and "Search for text occurrences" options are always enabled when files are moved

### IDE. Script

- [`KT-56632`](https://youtrack.jetbrains.com/issue/KT-56632) Script configuration cannot be loaded for embedded code snippets

### IDE. Wizards

- [`KTIJ-24562`](https://youtrack.jetbrains.com/issue/KTIJ-24562) Android target created by wizard contains AGP higher than supported
- [`KTIJ-24402`](https://youtrack.jetbrains.com/issue/KTIJ-24402) Changes "Browser Application for Kotlin/Wasm" wizard template
- [`KTIJ-23525`](https://youtrack.jetbrains.com/issue/KTIJ-23525) Wizard: Compose multiplatform: project won't build and require higher compileSdkVersion

### JavaScript

#### New Features

- [`KT-54118`](https://youtrack.jetbrains.com/issue/KT-54118) Kotlin/JS IR: keep declarations with non-minified names
- [`KT-35655`](https://youtrack.jetbrains.com/issue/KT-35655) Investigate could we use "names" field in SourceMaps to improve debug experience

#### Fixes

- [`KT-55971`](https://youtrack.jetbrains.com/issue/KT-55971) KJS: Result of suspend function cannot be assigned to property of dynamic value
- [`KT-52374`](https://youtrack.jetbrains.com/issue/KT-52374) KJS / IR: caling suspend function as dynamic ignores the rest of the expression
- [`KT-56884`](https://youtrack.jetbrains.com/issue/KT-56884) KJS: "Top-level declarations in .d.ts files must start with either a 'declare' or 'export' modifier." caused by enum and array inside the companion object
- [`KT-51122`](https://youtrack.jetbrains.com/issue/KT-51122) Provide fully-qualified method name in Kotlin/JS source maps
- [`KT-56602`](https://youtrack.jetbrains.com/issue/KT-56602) KJS / Serialization: polymorphicDefaultDeserializer unbound on Kotlin 1.8.20-Beta
- [`KT-56580`](https://youtrack.jetbrains.com/issue/KT-56580) KJS: languageVersionSettings string is unstable
- [`KT-56581`](https://youtrack.jetbrains.com/issue/KT-56581) KJS: Lock file for incremental cache
- [`KT-56582`](https://youtrack.jetbrains.com/issue/KT-56582) KJS: Function type interface reflection crashes the compiler in incremental build
- [`KT-55720`](https://youtrack.jetbrains.com/issue/KT-55720) KJS: `ReferenceError: SuspendFunction1 is not defined` with 1.8 when importing`kotlin.coroutines.SuspendFunction1`
- [`KT-56469`](https://youtrack.jetbrains.com/issue/KT-56469) KJS: BE Incremental rebuild spoils source map comment
- [`KT-55930`](https://youtrack.jetbrains.com/issue/KT-55930) KJS: A recursive callable reference of the inline function leads broken cross module references
- [`KT-31888`](https://youtrack.jetbrains.com/issue/KT-31888) Kotlin/JS: make possible to call `main()` in main run tasks, but not in test tasks
- [`KT-51581`](https://youtrack.jetbrains.com/issue/KT-51581) FIR: support JS backend
- [`KT-55786`](https://youtrack.jetbrains.com/issue/KT-55786) KJS: Rewriting of secondary constructors if they are protected
- [`KT-52563`](https://youtrack.jetbrains.com/issue/KT-52563) KJS / IR: Invalid TypeScript generated for class extending base class with private constructor
- [`KT-55367`](https://youtrack.jetbrains.com/issue/KT-55367) KJS / IR + IC: Moving an external declaration between different JsModules() doesn't rebuild the JS code
- [`KT-55240`](https://youtrack.jetbrains.com/issue/KT-55240) KJS: "NoSuchElementException: No element of given type found" caused by `@JsExport` and `Throwable's` child class
- [`KT-54398`](https://youtrack.jetbrains.com/issue/KT-54398) KJS / IR + IC: Support *.d.ts generation
- [`KT-55144`](https://youtrack.jetbrains.com/issue/KT-55144) KJS / IR + IC: Modifying an inline function which is used as a default param in another inline function doesn't invalidate a caller
- [`KT-54134`](https://youtrack.jetbrains.com/issue/KT-54134) KJS / IR: "TypeError: Cannot read properties of undefined" in js block wrapped with suspend functions around
- [`KT-54911`](https://youtrack.jetbrains.com/issue/KT-54911) KJS / IR + IC: invalidate all klib dependencies after removing it
- [`KT-54912`](https://youtrack.jetbrains.com/issue/KT-54912) KJS / IR + IC: Commit cache header only in the end (after lowering)
- [`KT-52677`](https://youtrack.jetbrains.com/issue/KT-52677) Native: StackOverFlow during "kotlin.ir.util.RenderIrElementVisitor$renderTypeAnnotations$1.invoke"
- [`KT-54480`](https://youtrack.jetbrains.com/issue/KT-54480) KJS: "Exported declaration contains non-consumable identifier" warning when exporting modules as default
- [`KT-41294`](https://youtrack.jetbrains.com/issue/KT-41294) KJS: Weird behaviour of j2v8 in test infra
- [`KT-54173`](https://youtrack.jetbrains.com/issue/KT-54173) Kotlin/JS + IR: failed to provide `keep` setting to avoid DCE remove of default interface function from implementing object

### Language Design

- [`KT-55451`](https://youtrack.jetbrains.com/issue/KT-55451) Preview of lifting restriction on secondary constructor bodies for value classes
- [`KT-54621`](https://youtrack.jetbrains.com/issue/KT-54621) Preview of Enum.entries: modern and performant replacement for Enum.values()
- [`KT-54525`](https://youtrack.jetbrains.com/issue/KT-54525) Preview of Java synthetic property references
- [`KT-55337`](https://youtrack.jetbrains.com/issue/KT-55337) Preview of data objects
- [`KT-55344`](https://youtrack.jetbrains.com/issue/KT-55344) Deprecate `@Synchronized` in platforms except JVM

### Libraries

- [`KT-35508`](https://youtrack.jetbrains.com/issue/KT-35508) EXC_BAD_ACCESS(code=2, address=0x16d8dbff0) crashes on iOS when using a sequence (from map() etc.)
- [`KT-56794`](https://youtrack.jetbrains.com/issue/KT-56794) Libraries: "Recursively copying a directory into its subdirectory is prohibited" Path.copyToRecursively fails on copying from one ZipFileSystem to another ZipFileSystem
- [`KT-55935`](https://youtrack.jetbrains.com/issue/KT-55935) [Kotlin/JVM] Path.copyToRecursively does not work across file systems
- [`KT-55978`](https://youtrack.jetbrains.com/issue/KT-55978) Provide Common Base64 encoding in stdlib
- [`KT-46211`](https://youtrack.jetbrains.com/issue/KT-46211) [Kotlin/Native] Stack overflow crash in Regex classes with simple pattern and very large input
- [`KT-31066`](https://youtrack.jetbrains.com/issue/KT-31066) Add Closeable & use to common stdlib
- [`KT-55609`](https://youtrack.jetbrains.com/issue/KT-55609) Introduce experimental kotlin.concurrent.Volatile annotation
- [`KT-39789`](https://youtrack.jetbrains.com/issue/KT-39789) Segfault in Kotlin/Native regex interpreter
- [`KT-53310`](https://youtrack.jetbrains.com/issue/KT-53310) Native: HashMap/HashSet doesn't reclaim storage after removing elements

### Native

- [`KT-56443`](https://youtrack.jetbrains.com/issue/KT-56443) Native link task reports w: Cached libraries will not be used for optimized compilation
- [`KT-55938`](https://youtrack.jetbrains.com/issue/KT-55938) [Kotlin/Native] Inline functions accessing ObjC class companion cause compiler to crash when building static caches in 1.8.20 dev build

### Native. C and ObjC Import

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

### Native. ObjC Export

- [`KT-56350`](https://youtrack.jetbrains.com/issue/KT-56350) Kotlin/Native: restore "use Foundation" in generated Objective-C frameworks
- [`KT-55736`](https://youtrack.jetbrains.com/issue/KT-55736) Native: exporting suspend function from a cached dependency to Objective-C crashes with "Suspend functions should be lowered out at this point"
- [`KT-53638`](https://youtrack.jetbrains.com/issue/KT-53638) Native: support disabling mangling globally for Swift names in generated Objective-C header
- [`KT-53069`](https://youtrack.jetbrains.com/issue/KT-53069) SOE on K/N framework build for Arm64
- [`KT-53317`](https://youtrack.jetbrains.com/issue/KT-53317) ObjCName annotation is not applied to an extension receiver in Objective-C export

### Native. Stdlib

- [`KT-53064`](https://youtrack.jetbrains.com/issue/KT-53064) Native: provide stdlib API to obtain memory management statistics

### Reflection

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

### Tools. CLI

- [`KT-57077`](https://youtrack.jetbrains.com/issue/KT-57077) `1.8.20-RC-243` shows Java 19 warnings even if configured with Java 17 toolchain
- [`KT-56992`](https://youtrack.jetbrains.com/issue/KT-56992) Performance test regression in Gradle when switching to Kotlin 1.8.20
- [`KT-56789`](https://youtrack.jetbrains.com/issue/KT-56789) Metaspace memory leak in CoreJrtFileSystem
- [`KT-56925`](https://youtrack.jetbrains.com/issue/KT-56925) Remove warning about assignment plugin
- [`KT-54652`](https://youtrack.jetbrains.com/issue/KT-54652) Enable -Xuse-fir-lt by default when -Xuse-k2 is turned on, provide way to disable
- [`KT-55784`](https://youtrack.jetbrains.com/issue/KT-55784) Unable to format compilation errors with ansi colors in compilation server
- [`KT-54718`](https://youtrack.jetbrains.com/issue/KT-54718) K2: Compiler crashes with "IllegalArgumentException: newPosition > limit"
- [`KT-54337`](https://youtrack.jetbrains.com/issue/KT-54337) CLI: compiling module-info.java without explicitly specified JDK home leads to a weird error

### Tools. Commonizer

- [`KT-47429`](https://youtrack.jetbrains.com/issue/KT-47429) [Commonizer] OKIO support
- [`KT-51517`](https://youtrack.jetbrains.com/issue/KT-51517) C Interop Commonizer Fails On Classifier That Doesn't Exist

### Tools. Compiler Plugins

#### Fixes

- [`KT-53590`](https://youtrack.jetbrains.com/issue/KT-53590) K2 Allopen does not look for transitive meta-annotations
- [`KT-56487`](https://youtrack.jetbrains.com/issue/KT-56487) Add more methods to DescriptorSerializerPlugin
- [`KT-54020`](https://youtrack.jetbrains.com/issue/KT-54020) [K2] [NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER] error in case 'static Name' param was added to `@AllArgsConstructor` annotation and an empty list is set as a constructor param value
- [`KT-53096`](https://youtrack.jetbrains.com/issue/KT-53096) Create a pack of compiler utilities for generating declarations from plugins
- [`KT-55248`](https://youtrack.jetbrains.com/issue/KT-55248) K2/PluginAPI: getCallableNamesForClass/generateClassLikeDeclaration are not called for synthetic companions of local classes
- [`KT-54756`](https://youtrack.jetbrains.com/issue/KT-54756) Deprecate "legacy" mode of jvm-abi-gen plugin
- [`KT-55233`](https://youtrack.jetbrains.com/issue/KT-55233) jvm-abi-gen strips out InnerClass attributes
- [`KT-54994`](https://youtrack.jetbrains.com/issue/KT-54994) K2 plugin API: Compile-time constants are not evaluated before IR
- [`KT-55023`](https://youtrack.jetbrains.com/issue/KT-55023) K2 plugin API: Compilation with Kotlin daemon fails after certain number of tries
- [`KT-55286`](https://youtrack.jetbrains.com/issue/KT-55286) K2: Parcelize plugin sometimes can't find nested objects in current class
- [`KT-54500`](https://youtrack.jetbrains.com/issue/KT-54500) Private type aliases can be referenced from public declarations, but are stripped by jvm-abi-gen

### Tools. Compiler plugins. Serialization

- [`KT-56738`](https://youtrack.jetbrains.com/issue/KT-56738) Unexpected SERIALIZER_NOT_FOUND when compiling against binary with enum
- [`KT-56990`](https://youtrack.jetbrains.com/issue/KT-56990) "AssertionError: SyntheticAccessorLowering should not attempt to modify other files" in kotlinx-serialization using `@Serializer` and List argument
- [`KT-54441`](https://youtrack.jetbrains.com/issue/KT-54441) Prohibit implicit serializer customization via companion object
- [`KT-49983`](https://youtrack.jetbrains.com/issue/KT-49983) Implement prototype of kotlinx.serialization for K2 compiler
- [`KT-48733`](https://youtrack.jetbrains.com/issue/KT-48733) "AssertionError: Unexpected IR element found during code generation" caused by Serialization and annotation with default parameter
- [`KT-54297`](https://youtrack.jetbrains.com/issue/KT-54297) Regression in serializable classes with star projections

### Tools. Gradle

#### New Features

- [`KT-54691`](https://youtrack.jetbrains.com/issue/KT-54691) Kotlin Gradle Plugin libraries alignment platform
- [`KT-54492`](https://youtrack.jetbrains.com/issue/KT-54492) Send gradle build errors from idea
- [`KT-55540`](https://youtrack.jetbrains.com/issue/KT-55540) Add compilation speed metric in build reports
- [`KT-55541`](https://youtrack.jetbrains.com/issue/KT-55541) Validate FUS metrics values on Gradle side

#### Performance Improvements

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

#### Fixes

- [`KT-57296`](https://youtrack.jetbrains.com/issue/KT-57296) Build statistics sending errors in case of buildSrc directory usage with kotlin-dsl plugin applied
- [`KT-56645`](https://youtrack.jetbrains.com/issue/KT-56645) Gradle: KGP reports an incorrect resources processing task name for JVM projects
- [`KT-55824`](https://youtrack.jetbrains.com/issue/KT-55824) Deprecate `commonMain.dependsOn(anything)` in user scripts
- [`KT-56221`](https://youtrack.jetbrains.com/issue/KT-56221) Gradle KTS: False positive `Val cannot be reassigned` when using an extension and its property with an implicit `set` operator
- [`KT-55452`](https://youtrack.jetbrains.com/issue/KT-55452) Values of the compiler arguments set via KotlinCompile task configuration are duplicated by the KaptGenerateStubs task
- [`KT-55565`](https://youtrack.jetbrains.com/issue/KT-55565) Consider de-duping or blocking standard addition of freeCompilerArgs to KaptGenerateStubsTask
- [`KT-55632`](https://youtrack.jetbrains.com/issue/KT-55632) 'The configuration :kotlinCompilerClasspath is both consumable and declarable' messages are displayed in logs for different types of projects for KotlinCompile task with gradle 8
- [`KT-56414`](https://youtrack.jetbrains.com/issue/KT-56414) Dependency locking and failed builds with Kotlin 1.8.10
- [`KT-52625`](https://youtrack.jetbrains.com/issue/KT-52625) Compatibility with Gradle 7.4 release
- [`KT-55544`](https://youtrack.jetbrains.com/issue/KT-55544) Gradle: add more debugging information for finding usages of kotlinOptions.freeCompilerArgs
- [`KT-52149`](https://youtrack.jetbrains.com/issue/KT-52149) Gradle: declare shared build services usages with `Task#usesService`
- [`KT-55323`](https://youtrack.jetbrains.com/issue/KT-55323) Gradle: allow to opt-out of reporting compiler arguments to a http statistics service
- [`KT-53811`](https://youtrack.jetbrains.com/issue/KT-53811) Compatibility with Gradle 7.6 release
- [`KT-52998`](https://youtrack.jetbrains.com/issue/KT-52998) Compatibility with Gradle 7.5 release
- [`KT-55741`](https://youtrack.jetbrains.com/issue/KT-55741) Gradle 8: Build service '*' is being used by task '*' without the corresponding declaration via 'Task#usesService'.
- [`KT-55174`](https://youtrack.jetbrains.com/issue/KT-55174) KotlinCompile task produces deprecation "Build service 'variant_impl_factories_...' is being used by task"
- [`KT-54425`](https://youtrack.jetbrains.com/issue/KT-54425) Kotlin Gradle Plugin should not use deprecated UsageContext#getUsage()
- [`KT-54998`](https://youtrack.jetbrains.com/issue/KT-54998) "kotlin.gradle.performance" FUS collector reports data twice
- [`KT-55520`](https://youtrack.jetbrains.com/issue/KT-55520) Add required configuration for Kotlin Gradle Plugin API reference publication
- [`KT-52963`](https://youtrack.jetbrains.com/issue/KT-52963) Build report code breaks Gradle project isolation.
- [`KT-55164`](https://youtrack.jetbrains.com/issue/KT-55164) KGP: "Cannot access project ':' from project ':list'" JVM - Project Isolation with Multi Modules and Configuration Cache fails
- [`KT-52490`](https://youtrack.jetbrains.com/issue/KT-52490) Gradle: [org.jetbrains.kotlin.gradle.testing.internal] TestReport.destinationDir and TestReport.reportOn deprecation warnings
- [`KT-55000`](https://youtrack.jetbrains.com/issue/KT-55000) Include information about the new IC into "kotlin.gradle.performance" FUS collector
- [`KT-54941`](https://youtrack.jetbrains.com/issue/KT-54941) Gradle, Daemon, MacOS M1: "Native integration is not available for Mac OS X aarch64" on first build
- [`KT-45748`](https://youtrack.jetbrains.com/issue/KT-45748) Migrate all Kotlin Gradle plugin Android tests to new test setup
- [`KT-54029`](https://youtrack.jetbrains.com/issue/KT-54029) Validate Binary Compatibility for kotlin-gradle-plugin-api

### Tools. Gradle. Cocoapods

- [`KT-41830`](https://youtrack.jetbrains.com/issue/KT-41830) CocoaPods integration: Support link-only mode for pods
- [`KT-55117`](https://youtrack.jetbrains.com/issue/KT-55117) PodGenTask doesn't declare ouputs properly
- [`KT-55243`](https://youtrack.jetbrains.com/issue/KT-55243) Gradle 7.6: Cocoapods plugin generates invalid podspec when applied in root project
- [`KT-56304`](https://youtrack.jetbrains.com/issue/KT-56304) Podspec generated with new K/N artifact DSL contains wrong artifact names for static and dynamic libraries
- [`KT-56298`](https://youtrack.jetbrains.com/issue/KT-56298) Assemble tasks for native binaries fail if more than one kotlin artifact is declared in one gradle project
- [`KT-55801`](https://youtrack.jetbrains.com/issue/KT-55801) Deprecate useLibraries
- [`KT-55790`](https://youtrack.jetbrains.com/issue/KT-55790) Improper sdk selected for watchosDeviceArm64 target

### Tools. Gradle. JS

#### New Features

- [`KT-25878`](https://youtrack.jetbrains.com/issue/KT-25878) Provide Option to Define Scoped NPM Package
- [`KT-37759`](https://youtrack.jetbrains.com/issue/KT-37759) [Gradle, JS] Support arguments of command line for webpack and nodejs task
- [`KT-33518`](https://youtrack.jetbrains.com/issue/KT-33518) Allow specifying command line args for node in nodejs or mocha tests
- [`KT-46163`](https://youtrack.jetbrains.com/issue/KT-46163) KJS / Ktor: Support run on the next free port if default one is occupied

#### Performance Improvements

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

#### Fixes

- [`KT-57285`](https://youtrack.jetbrains.com/issue/KT-57285) KJS / Gradle / MPP: FileNotFoundException on publishing empty KJS sourceset
- [`KT-57068`](https://youtrack.jetbrains.com/issue/KT-57068) KJS / Gradle: "Unable to find method 'kotlin.gradle.targets.js.dsl.KotlinJsBrowserDsl.testTask'" after updating to 1.8.20-Beta
- [`KT-54445`](https://youtrack.jetbrains.com/issue/KT-54445) KJS Remove dukat integration
- [`KT-56999`](https://youtrack.jetbrains.com/issue/KT-56999) K/JS: KotlinJsIrLink::rootCacheDirectory property must be public
- [`KT-56765`](https://youtrack.jetbrains.com/issue/KT-56765) K/JS: Several binaries use same cache directory
- [`KT-54529`](https://youtrack.jetbrains.com/issue/KT-54529) KJS / IR: generate typescript definitions only on explicit Gradle action
- [`KT-56488`](https://youtrack.jetbrains.com/issue/KT-56488) Debugger won't stop on breakpoints of JS browser test
- [`KT-56719`](https://youtrack.jetbrains.com/issue/KT-56719) KJS / Gradle: Compile sync task has to sync only changed files
- [`KT-56131`](https://youtrack.jetbrains.com/issue/KT-56131) KJS / Gradle: Could not create an instance of type org.jetbrains.kotlin.gradle.targets.js.subtargets.KotlinNodeJs when task configuration avoidance is broken
- [`KT-37668`](https://youtrack.jetbrains.com/issue/KT-37668) Kotlin/JS: nodeTest failure due to main() function fail is reported as "BUILD SUCCESSFUL"
- [`KT-35285`](https://youtrack.jetbrains.com/issue/KT-35285) Kotlin/JS + Gradle: browserDevelopementWebpack and browserProductionWebpack could write to different locations
- [`KT-55593`](https://youtrack.jetbrains.com/issue/KT-55593) KotlinJsCompilerType and KotlinJsCompilerTypeHolder LEGACY and BOTH constants should be marked as `@Deprecated` in 1.8
- [`KT-33291`](https://youtrack.jetbrains.com/issue/KT-33291) JS: No build result with gradle parallel build in multiproject build
- [`KT-40925`](https://youtrack.jetbrains.com/issue/KT-40925) KJS: need a way to configure extra environment variables for the test task
- [`KT-47236`](https://youtrack.jetbrains.com/issue/KT-47236) KJS: `kotlinNpmInstall` fails if no yarn is downloaded
- [`KT-53288`](https://youtrack.jetbrains.com/issue/KT-53288) KJS / Gradle: FileNotFoundException when customising moduleName
- [`KT-54511`](https://youtrack.jetbrains.com/issue/KT-54511) Kotlin/JS generated package.json main field is not correctly set if module name contains a `/` (slash)
- [`KT-54421`](https://youtrack.jetbrains.com/issue/KT-54421) KJS / Legacy: Kotlin 1.7.20 fails when running tests on Node 14
- [`KT-54503`](https://youtrack.jetbrains.com/issue/KT-54503) Make the target observer API public in kotlin JS Extension
- [`KT-54418`](https://youtrack.jetbrains.com/issue/KT-54418) KJS: Change test running with kotlin-test adapter
- [`KT-54132`](https://youtrack.jetbrains.com/issue/KT-54132) KJS IR: Sometimes karma failed on teamcity because of uninitialized browser

### Tools. Gradle. Multiplatform

#### New Features

- [`KT-54766`](https://youtrack.jetbrains.com/issue/KT-54766) TCS: external Android Target APIs: Milestone: Compile
- [`KT-50967`](https://youtrack.jetbrains.com/issue/KT-50967) Make c-interop libs resolve robust to build clean
- [`KT-53570`](https://youtrack.jetbrains.com/issue/KT-53570) multiplatform 'natural hierarchy' prototype

#### Fixes

- [`KT-36943`](https://youtrack.jetbrains.com/issue/KT-36943) Gradle Plugin (multiplatform) - Consider publishing a 'sourcesElements' variant for the sources.jar
- [`KT-57460`](https://youtrack.jetbrains.com/issue/KT-57460) Kotlin Gradle Plugin: Null `this` pointer in transformCommonMainDependenciesMetadata
- [`KT-57306`](https://youtrack.jetbrains.com/issue/KT-57306) [Kotlin 1.8.20-RC] GradleException: Could not load the value of field `apiConfiguration` of `org.jetbrains.kotlin.gradle.plugin.mpp.compilationImpl.DefaultKotlinCompilationConfigurationsContainer`
- [`KTIJ-23750`](https://youtrack.jetbrains.com/issue/KTIJ-23750) KotlinMppModelSerializationService is not invoked in production environment
- [`KTIJ-24223`](https://youtrack.jetbrains.com/issue/KTIJ-24223) Update latest tested KGP version to 1.9.0-dev-764
- [`KT-56536`](https://youtrack.jetbrains.com/issue/KT-56536) Multiplatform: Composite build fails on included build with rootProject.name != buildIdentifier.name
- [`KTIJ-23889`](https://youtrack.jetbrains.com/issue/KTIJ-23889) TCS: Gradle Sync: Match sources.jar dependencies to sourceSetName scoped dependencies
- [`KT-56729`](https://youtrack.jetbrains.com/issue/KT-56729) commonizeCInterop: Duplicated libraries: co.touchlab:sqliter-driver-cinterop-sqlite3
- [`KT-56510`](https://youtrack.jetbrains.com/issue/KT-56510) Import with included plugin build may fail with OverlappingFileLockException during commonizeNativeDistribution
- [`KT-54180`](https://youtrack.jetbrains.com/issue/KT-54180) TCS: Initial external Android Target APIs
- [`KT-55010`](https://youtrack.jetbrains.com/issue/KT-55010) TCS: External Android Target Prototype: Setup Android dependencies
- [`KT-54783`](https://youtrack.jetbrains.com/issue/KT-54783) KotlinJvmWithJavaCompilation mututal .all listener loop creates two compilations
- [`KT-54867`](https://youtrack.jetbrains.com/issue/KT-54867) KotlinWithJavaCompilation does not respect javaSourceSet classpaths
- [`KT-52413`](https://youtrack.jetbrains.com/issue/KT-52413) MPP: Gradle dependency substitution breaks KMP import for native targets
- [`KT-56115`](https://youtrack.jetbrains.com/issue/KT-56115) Multiplatform;Composite Builds: Support import with cinterop commonization enabled
- [`KT-54312`](https://youtrack.jetbrains.com/issue/KT-54312) TCS: Replace CompilationDetails abstract class hierarchy by composable implementation
- [`KT-47441`](https://youtrack.jetbrains.com/issue/KT-47441) MPP: Unresolved reference for dependent on the other module with dependencySubstitution
- [`KT-56429`](https://youtrack.jetbrains.com/issue/KT-56429) Fix flaky: MppIdeDependencyResolutionIT.test cinterops - are stored in root gradle folder
- [`KT-56337`](https://youtrack.jetbrains.com/issue/KT-56337) Unable to import a project with cinterop with enableKgpDependencyResolution
- [`KT-55873`](https://youtrack.jetbrains.com/issue/KT-55873) Unrequested dependencies leaking into common source sets: Regression after 703fd0f2
- [`KT-55891`](https://youtrack.jetbrains.com/issue/KT-55891) Deprecate pre-HMPP flags
- [`KT-56278`](https://youtrack.jetbrains.com/issue/KT-56278) TCS: Gradle Sync: [MISSING_DEPENDENCY_CLASS] on libraries used in shared native source sets
- [`KT-56143`](https://youtrack.jetbrains.com/issue/KT-56143) CInteropDependencyConfiguration and CInteropApiElementsConfiguration are missing attributes defined on target
- [`KT-56285`](https://youtrack.jetbrains.com/issue/KT-56285) TCS: Gradle Sync: IdeProjectToProjectCInteropDependencyResolver: Ensure lenient resolution
- [`KT-56204`](https://youtrack.jetbrains.com/issue/KT-56204) KotlinTargetHierarchy: Changing naming from 'any' to 'with' prefix
- [`KT-56111`](https://youtrack.jetbrains.com/issue/KT-56111) Multiplatform;Composite Builds: Clean builds fail on when 'hostSpecificMetadata' is required
- [`KT-54974`](https://youtrack.jetbrains.com/issue/KT-54974) TCS: Gradle Sync: Implement IdeKotlinDependencyResolvers
- [`KT-38712`](https://youtrack.jetbrains.com/issue/KT-38712) Gradle configuration's name with word "implementation" is camelcased to "İmplementation" if default locale is Turkish
- [`KT-54975`](https://youtrack.jetbrains.com/issue/KT-54975) TCS: Gradle Sync: Implement stdlib-common filter for platform source sets
- [`KT-48839`](https://youtrack.jetbrains.com/issue/KT-48839) Sources.jar of the root artifact of MPP library includes source files from test sourcesets
- [`KT-55492`](https://youtrack.jetbrains.com/issue/KT-55492) TCS: Gradle Sync: Sources and Documentation as extra 'classpath'
- [`KT-55237`](https://youtrack.jetbrains.com/issue/KT-55237) TCS: Gradle Sync: Support stdlib-native sources
- [`KT-55475`](https://youtrack.jetbrains.com/issue/KT-55475) TCS: Gradle Sync: Fine tune jvmAndAndroid source sets
- [`KT-55189`](https://youtrack.jetbrains.com/issue/KT-55189) TCS: Gradle Sync: Support icons (native, js) and global libraries
- [`KT-55218`](https://youtrack.jetbrains.com/issue/KT-55218) KotlinTargetHierarchy: Disambiguate declaring targets vs including targets
- [`KT-55112`](https://youtrack.jetbrains.com/issue/KT-55112) TCS: Gradle Sync: Resolve Source Dependencies
- [`KT-54977`](https://youtrack.jetbrains.com/issue/KT-54977) TCS: Gradle Sync: Implement debugging tools
- [`KT-54948`](https://youtrack.jetbrains.com/issue/KT-54948) TCS: Gradle Sync: Port IdeaKpmPlatformDependencyResolver to TCS
- [`KT-55289`](https://youtrack.jetbrains.com/issue/KT-55289) TCS: Gradle Sync: Prototypical sources jar resolution
- [`KT-55238`](https://youtrack.jetbrains.com/issue/KT-55238) TCS: Gradle Sync: Support commonized native distribution
- [`KT-55230`](https://youtrack.jetbrains.com/issue/KT-55230) Remove metadata dependencies transformation for runtimeOnly scope
- [`KT-53338`](https://youtrack.jetbrains.com/issue/KT-53338) Prettify the message about incompatible AGP and KGP versions
- [`KT-55134`](https://youtrack.jetbrains.com/issue/KT-55134) MPP / Gradle: Cannot read test tasks state
- [`KT-54506`](https://youtrack.jetbrains.com/issue/KT-54506) Test tasks are considered up-to-date after a failure when triggered by `allTests`
- [`KTIJ-23509`](https://youtrack.jetbrains.com/issue/KTIJ-23509) Update latest tested KGP version to 1.8.20-dev-1815
- [`KT-54787`](https://youtrack.jetbrains.com/issue/KT-54787) Test tasks are not up-to-date when an individual test task called after aggregating test task
- [`KT-54033`](https://youtrack.jetbrains.com/issue/KT-54033) Multiplatform/Android Source Set Layout 1: Also support setting source dirs using AGP Apis
- [`KT-54202`](https://youtrack.jetbrains.com/issue/KT-54202) CInterop Commonization fails on first run when native distribution is not yet commonizied
- [`KT-54135`](https://youtrack.jetbrains.com/issue/KT-54135) Add documentation with examples to CompositeMetadataArtifact

### Tools. Gradle. Native

- [`KT-37051`](https://youtrack.jetbrains.com/issue/KT-37051) MPP Gradle plugin: duplicated cinterop libraries in composite build
- [`KT-55650`](https://youtrack.jetbrains.com/issue/KT-55650) Pass through errors from Gradle to Xcode
- [`KT-56205`](https://youtrack.jetbrains.com/issue/KT-56205) Shared Native Compilation: False positive 'w: Could not find' warnings on metadata klibs
- [`KT-54969`](https://youtrack.jetbrains.com/issue/KT-54969) Support podspec generation for the new K/N artifact DSL

### Tools. Incremental Compile

- [`KT-55021`](https://youtrack.jetbrains.com/issue/KT-55021) New IC: "The following LookupSymbols are not yet converted to programSymbols" when removing/renaming file facades
- [`KTIJ-21161`](https://youtrack.jetbrains.com/issue/KTIJ-21161) Incremental build is taking too long when no files have changed in the project
- [`KT-53832`](https://youtrack.jetbrains.com/issue/KT-53832) Enable new incremental compilation by default in Gradle
- [`KT-55622`](https://youtrack.jetbrains.com/issue/KT-55622) MPP: Incremental compilation ignores changes in source set structure
- [`KT-55309`](https://youtrack.jetbrains.com/issue/KT-55309) IC: Get rid of `NonCachingLazyStorage`
- [`KT-53402`](https://youtrack.jetbrains.com/issue/KT-53402) Incremental compilation tries to compile resources
- [`KT-54791`](https://youtrack.jetbrains.com/issue/KT-54791) Incremental compilation in JPS broken in 1.8.20-dev-1815

### Tools. JPS

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

### Tools. Kapt

#### New Features

- [`KT-53135`](https://youtrack.jetbrains.com/issue/KT-53135) Enable JVM IR for KAPT stub generation by default
- [`KT-41129`](https://youtrack.jetbrains.com/issue/KT-41129) kotlin-maven-plugin + kapt - allow aptMode to be set according to docs

#### Fixes

- [`KT-56635`](https://youtrack.jetbrains.com/issue/KT-56635) KAPT / IR: "Unresolved reference: DaggerGeneratedCodeTest_AppComponent " caused by stub generation with Kotlin 1.8.20-Beta
- [`KT-56360`](https://youtrack.jetbrains.com/issue/KT-56360) Kapt with JVM IR changes fields order
- [`KT-54380`](https://youtrack.jetbrains.com/issue/KT-54380) Kapt / IR: Build failed when inheritance by functional interface with suspend modifier
- [`KT-54245`](https://youtrack.jetbrains.com/issue/KT-54245) JVM IR / Kapt / Serialization: NullPointerException in SerializableIrGenerator.kt
- [`KT-33847`](https://youtrack.jetbrains.com/issue/KT-33847) Kapt does not included Filer-generated class files on compilation classpath
- [`KT-55490`](https://youtrack.jetbrains.com/issue/KT-55490) Kapt + JVM IR: "annotation `@Foo` is missing default values"
- [`KT-43786`](https://youtrack.jetbrains.com/issue/KT-43786) KAPT: IllegalStateException: SimpleTypeImpl should not be created for error type: ErrorScope
- [`KT-43117`](https://youtrack.jetbrains.com/issue/KT-43117) Kapt: "System is already defined in this compilation unit"
- [`KT-46966`](https://youtrack.jetbrains.com/issue/KT-46966) Kapt: correctErrorTypes: receiver type is NonExistentClass
- [`KT-46965`](https://youtrack.jetbrains.com/issue/KT-46965) Kapt: correctErrorTypes: custom setter gets Object parameter type
- [`KT-51087`](https://youtrack.jetbrains.com/issue/KT-51087) KAPT: `@JvmRepeatable` annotations are present in inverse order in KAPT stubs
- [`KT-54870`](https://youtrack.jetbrains.com/issue/KT-54870) KAPT stub generation with JVM_IR backend throws exception for delegated properties
- [`KT-44350`](https://youtrack.jetbrains.com/issue/KT-44350) Kapt Gradle integration tests failing with Android Gradle plugin 7.0
- [`KT-54030`](https://youtrack.jetbrains.com/issue/KT-54030) Kapt: annotation processor warnings are displayed as errors on JDK 17+
- [`KT-32596`](https://youtrack.jetbrains.com/issue/KT-32596) kapt replaces class generated by annotation processor with error.NonExistentClass when the class is used as an annotation
- [`KT-37586`](https://youtrack.jetbrains.com/issue/KT-37586) KAPT: When delegated property use an unknown type (to-be-generated class), `correctTypeError` will mess up the `$delegate` field type

### Tools. Maven

- [`KT-56697`](https://youtrack.jetbrains.com/issue/KT-56697) IC: "Incremental compilation was attempted but failed" Failed to get changed files: java.io.IOException: readPrevChunkAddress
- [`KT-55709`](https://youtrack.jetbrains.com/issue/KT-55709) Maven: "java.lang.reflect.InaccessibleObjectException: Unable to make field protected java.io.OutputStream java.io.FilterOutputStream.out accessible"
- [`KT-29346`](https://youtrack.jetbrains.com/issue/KT-29346) Add components.xml to automatically compile kotlin maven projects
- [`KT-13995`](https://youtrack.jetbrains.com/issue/KT-13995) Maven: Kotlin compiler plugin should respect model's compile source roots
- [`KT-54822`](https://youtrack.jetbrains.com/issue/KT-54822) Maven: Too low-level error message "Parameter specified as non-null is null: method kotlin.text.StringsKt__StringsJVMKt.startsWith, parameter <this>" from Kotlin Maven plugin invoking compiler when <arg> tags are empty
- [`KT-47110`](https://youtrack.jetbrains.com/issue/KT-47110) Disable jdk8-specific warnings in kotlin-maven-plugin

### Tools. Scripts

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


## 1.8.0

### Analysis API

- [`KT-50255`](https://youtrack.jetbrains.com/issue/KT-50255) Analysis API: Implement standalone mode for the Analysis API

### Analysis API. FIR

- [`KT-54292`](https://youtrack.jetbrains.com/issue/KT-54292) Symbol Light classes: implement PsiVariable.computeConstantValue for light field
- [`KT-54293`](https://youtrack.jetbrains.com/issue/KT-54293) Analysis API: fix constructor symbol creation when its accessed via type alias

### Android

- [`KT-53342`](https://youtrack.jetbrains.com/issue/KT-53342) TCS: New AndroidSourceSet layout for multiplatform
- [`KT-53013`](https://youtrack.jetbrains.com/issue/KT-53013) Increase AGP compile version in KGP to 4.1.3
- [`KT-54013`](https://youtrack.jetbrains.com/issue/KT-54013) Report error when using deprecated Kotlin Android Extensions compiler plugin
- [`KT-53709`](https://youtrack.jetbrains.com/issue/KT-53709) MPP, Android SSL2: Conflicting warnings for `androidTest/kotlin` source set folder

### Backend. Native. Debug

- [`KT-53561`](https://youtrack.jetbrains.com/issue/KT-53561) Invalid LLVM module: "inlinable function call in a function with debug info must have a !dbg location"

### Compiler

#### New Features

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

#### Performance Improvements

- [`KT-53347`](https://youtrack.jetbrains.com/issue/KT-53347) Get rid of excess allocations in parser
- [`KT-53689`](https://youtrack.jetbrains.com/issue/KT-53689) JVM: Optimize equality on class literals
- [`KT-53119`](https://youtrack.jetbrains.com/issue/KT-53119) Improve String Concatenation Lowering

#### Fixes

- [`KT-53465`](https://youtrack.jetbrains.com/issue/KT-53465) Unnecessary checkcast to array of reified type is not optimized since Kotlin 1.6.20
- [`KT-49658`](https://youtrack.jetbrains.com/issue/KT-49658) NI: False negative TYPE_MISMATCH on nullable type with `when`
- [`KT-48162`](https://youtrack.jetbrains.com/issue/KT-48162) NON_VARARG_SPREAD isn't reported on *toTypedArray() call
- [`KT-43493`](https://youtrack.jetbrains.com/issue/KT-43493) NI: False negative: no compilation error "Operator '==' cannot be applied to 'Long' and 'Int'" is reported in builder inference lambdas
- [`KT-54393`](https://youtrack.jetbrains.com/issue/KT-54393) Change in behavior from 1.7.10 to 1.7.20 for java field override.
- [`KT-55357`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-55068) Kotlin Gradle DSL: No mapping for symbol: VALUE_PARAMETER SCRIPT_IMPLICIT_RECEIVER on JVM IR backend
- [`KT-51284`](https://youtrack.jetbrains.com/issue/KT-51284) SAM conversion doesn't work if method has context receivers
- [`KT-48532`](https://youtrack.jetbrains.com/issue/KT-48532) Remove old JVM backend
- [`KT-55065`](https://youtrack.jetbrains.com/issue/KT-55065) Kotlin Gradle DSL: Reflection cannot find class data for lambda, produced by JVM IR backend
- [`KT-53270`](https://youtrack.jetbrains.com/issue/KT-53270) K1: implement synthetic Enum.entries property
- [`KT-52823`](https://youtrack.jetbrains.com/issue/KT-52823) Cannot access class Thread.State after upgrading to 1.7 from 1.6.1 using -Xjdk-release=1.8
- [`KT-55108`](https://youtrack.jetbrains.com/issue/KT-55108) IR interpreter: Error occurred while optimizing an expression: VARARG
- [`KT-53547`](https://youtrack.jetbrains.com/issue/KT-53547) Missing fun IrBuilderWithScope.irFunctionReference
- [`KT-54884`](https://youtrack.jetbrains.com/issue/KT-54884) "StackOverflowError: null" caused by Enum constant name in constructor of the same Enum constant
- [`KT-47475`](https://youtrack.jetbrains.com/issue/KT-47475) "IncompatibleClassChangeError: disagree on InnerClasses attribute": cross-module inlined WhenMappings has mismatched InnerClasses
- [`KT-55013`](https://youtrack.jetbrains.com/issue/KT-55013) State checker use-after-free with XCode 14.1
- [`KT-54802`](https://youtrack.jetbrains.com/issue/KT-54802) "VerifyError: Bad type on operand stack" for inline functions on arrays
- [`KT-54707`](https://youtrack.jetbrains.com/issue/KT-54707) "VerifyError: Bad type on operand stack" in inline call chain on a nullable array value
- [`KT-48678`](https://youtrack.jetbrains.com/issue/KT-48678) Coroutine debugger: disable "was optimised out" compiler feature
- [`KT-54745`](https://youtrack.jetbrains.com/issue/KT-54745) Restore KtToken constructors without tokenId parameter to preserve back compatibility
- [`KT-54650`](https://youtrack.jetbrains.com/issue/KT-54650) Binary incompatible ABI change in Kotlin 1.7.20
- [`KT-52786`](https://youtrack.jetbrains.com/issue/KT-52786) Frontend / K2: IndexOutOfBoundsException when opting in to K2
- [`KT-54004`](https://youtrack.jetbrains.com/issue/KT-54004) Builder type inference does not work correctly with variable assignment and breaks run-time
- [`KT-54581`](https://youtrack.jetbrains.com/issue/KT-54581) JVM: "VerifyError: Bad type on operand stack" with generic inline function and `when` inside try-catch block
- [`KT-53794`](https://youtrack.jetbrains.com/issue/KT-53794) IAE "Unknown visibility: protected/*protected and package*/" on callable reference to protected member of Java superclass
- [`KT-54600`](https://youtrack.jetbrains.com/issue/KT-54600) NPE on passing nullable Kotlin lambda as Java's generic SAM interface with `super` type bound
- [`KT-54463`](https://youtrack.jetbrains.com/issue/KT-54463) Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate
- [`KT-54509`](https://youtrack.jetbrains.com/issue/KT-54509) Ir Interpreter: unable to evaluate string concatenation with "this" as argument
- [`KT-54615`](https://youtrack.jetbrains.com/issue/KT-54615) JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression
- [`KT-53146`](https://youtrack.jetbrains.com/issue/KT-53146) JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtime
- [`KT-53712`](https://youtrack.jetbrains.com/issue/KT-53712) Add mode to prevent generating JVM 1.8+ annotation targets (TYPE_USE, TYPE_PARAMETER)
- [`KT-54366`](https://youtrack.jetbrains.com/issue/KT-54366) K2: no JVM BE specific diagnostics (in particular CONFLICTING_JVM_DECLARATIONS) in 1.8
- [`KT-35187`](https://youtrack.jetbrains.com/issue/KT-35187) NullPointerException on compiling suspend inline fun with typealias to suspend function type
- [`KT-54275`](https://youtrack.jetbrains.com/issue/KT-54275) K2: "IllegalArgumentException: KtParameter is not a subtype of class KtAnnotationEntry for factory REPEATED_ANNOTATION"
- [`KT-53656`](https://youtrack.jetbrains.com/issue/KT-53656) "IllegalStateException: typeParameters == null for SimpleFunctionDescriptorImpl" with recursive generic type parameters
- [`KT-46727`](https://youtrack.jetbrains.com/issue/KT-46727) Report warning on contravariant usages of star projected argument from Java
- [`KT-53197`](https://youtrack.jetbrains.com/issue/KT-53197) K2: 'init' hides member of supertype 'UIComponent' and needs 'override' modifier
- [`KT-53867`](https://youtrack.jetbrains.com/issue/KT-53867) K2: `@JvmRecord` does not compile to a java record
- [`KT-53964`](https://youtrack.jetbrains.com/issue/KT-53964) K2 is unable to work with Java records
- [`KT-53349`](https://youtrack.jetbrains.com/issue/KT-53349) K2: TYPE_MISMATCH caused by non-local return
- [`KT-54100`](https://youtrack.jetbrains.com/issue/KT-54100) "Type variable TypeVariable(P) should not be fixed" crash in code with errors
- [`KT-54212`](https://youtrack.jetbrains.com/issue/KT-54212) K2: cannot calculate implicit property type
- [`KT-53699`](https://youtrack.jetbrains.com/issue/KT-53699) K2: Exception during IR lowering in code with coroutines
- [`KT-54192`](https://youtrack.jetbrains.com/issue/KT-54192) Warn about unsupported feature on generic inline class parameters
- [`KT-53723`](https://youtrack.jetbrains.com/issue/KT-53723) Friend modules aren't getting passed to cache build during box tests
- [`KT-53873`](https://youtrack.jetbrains.com/issue/KT-53873) K2: Duplicated diagnostics reported from user type ref checkers
- [`KT-50909`](https://youtrack.jetbrains.com/issue/KT-50909) "VerifyError: Bad type on operand stack" caused by smartcasting for nullable inline class property in class
- [`KT-54115`](https://youtrack.jetbrains.com/issue/KT-54115) Restore Psi2IrTranslator constructor from 1.7.20
- [`KT-53908`](https://youtrack.jetbrains.com/issue/KT-53908) K2: Self-referencing generics in Java class causes New Inference Error (IE: class Foo<T extends Foo<T>>)
- [`KT-53193`](https://youtrack.jetbrains.com/issue/KT-53193) K2: compile error on project that compiles fine with normal 1.7.10
- [`KT-54062`](https://youtrack.jetbrains.com/issue/KT-54062) K2 Invalid serialization for type-aliased suspend function type with extension receiver
- [`KT-53953`](https://youtrack.jetbrains.com/issue/KT-53953) Forbid usages of super or super<Some> if in fact it accesses an abstract member
- [`KT-47473`](https://youtrack.jetbrains.com/issue/KT-47473) NI: Missed UPPER_BOUND_VIOLATED diagnostics if use type aliases with type parameters
- [`KT-54049`](https://youtrack.jetbrains.com/issue/KT-54049) K2: false positive MANY_IMPL_MEMBER_NOT_IMPLEMENTED
- [`KT-30054`](https://youtrack.jetbrains.com/issue/KT-30054) Wrong approximation if nullable anonymous object with implemented interface is used
- [`KT-53751`](https://youtrack.jetbrains.com/issue/KT-53751) Postpone IgnoreNullabilityForErasedValueParameters feature
- [`KT-53324`](https://youtrack.jetbrains.com/issue/KT-53324) Implement Enum.entries lowering on K/N
- [`KT-44441`](https://youtrack.jetbrains.com/issue/KT-44441) K2: report redeclaration error if there is a Java class with the same name as the Kotlin class
- [`KT-53807`](https://youtrack.jetbrains.com/issue/KT-53807) No warning about declaringClass on an enum value
- [`KT-53493`](https://youtrack.jetbrains.com/issue/KT-53493) K2: `val on function parameter` counts as just warning
- [`KT-53435`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-52927) AssertionError: LambdaKotlinCallArgumentImpl
- [`KT-53922`](https://youtrack.jetbrains.com/issue/KT-53922) Make Enum.entries unstable feature to poison binaries
- [`KT-53783`](https://youtrack.jetbrains.com/issue/KT-53783) Exception during psi2ir when declaring expect data object
- [`KT-53622`](https://youtrack.jetbrains.com/issue/KT-53622) [OVERLOAD_RESOLUTION_AMBIGUITY] when enum entry called 'entries' is present in K2
- [`KT-41670`](https://youtrack.jetbrains.com/issue/KT-41670) JVM IR: AbstractMethodError when using inheritance for fun interfaces
- [`KT-53178`](https://youtrack.jetbrains.com/issue/KT-53178) K2: implement diagnostics for serialization plugin
- [`KT-53804`](https://youtrack.jetbrains.com/issue/KT-53804) Restore old and incorrect logic of generating InnerClasses attributes for kotlin-stdlib
- [`KT-52970`](https://youtrack.jetbrains.com/issue/KT-52970) Default value constant in companion object works on JVM and JS, but fails on native
- [`KT-51114`](https://youtrack.jetbrains.com/issue/KT-51114) FIR: Support DNN checks
- [`KT-27936`](https://youtrack.jetbrains.com/issue/KT-27936) Write InnerClasses attribute for all class names used in a class file
- [`KT-53719`](https://youtrack.jetbrains.com/issue/KT-53719) Parsing regression on function call with type arguments and labeled lambda
- [`KT-53261`](https://youtrack.jetbrains.com/issue/KT-53261) Evaluate effect from <T-unbox> inline for primitive types
- [`KT-53706`](https://youtrack.jetbrains.com/issue/KT-53706) K2: Context receivers are not resolved on properties during type resolution stage
- [`KT-39492`](https://youtrack.jetbrains.com/issue/KT-39492) Kotlin.Metadata's packageName field cannot be an empty string
- [`KT-53664`](https://youtrack.jetbrains.com/issue/KT-53664) Ir Interpreter: unable to evaluate name of function reference marked with JvmStatic from another module
- [`KT-52478`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-48822) CompilationException: Back-end (JVM) Internal error: Failed to generate expression: KtProperty - ConcurrentModificationException
- [`KT-50281`](https://youtrack.jetbrains.com/issue/KT-50281) IllegalStateException: unsupported call of reified inlined function
- [`KT-50083`](https://youtrack.jetbrains.com/issue/KT-50083) Different error messages in android and JVM (Intrinsics.checkNotNullParameter).
- [`KT-53236`](https://youtrack.jetbrains.com/issue/KT-53236) Support Enum.entries codegen on JVM/IR BE
- [`KT-41017`](https://youtrack.jetbrains.com/issue/KT-41017) FIR: should we support smartcast after null check
- [`KT-53202`](https://youtrack.jetbrains.com/issue/KT-53202) "ISE: Descriptor can be left only if it is last" after direct invoke optimization on a capturing lambda
- [`KT-46969`](https://youtrack.jetbrains.com/issue/KT-46969) `@BuilderInference` with nested DSL scopes cause false-positive scope violation in Kotlin 1.5
- [`KT-53257`](https://youtrack.jetbrains.com/issue/KT-53257) FIR: Improper context receiver argument is chosen when there are two extension receiver candidates
- [`KT-53090`](https://youtrack.jetbrains.com/issue/KT-53090) Anonymous function and extension function literals are generated as classes even with -Xlambdas=indy
- [`KT-53208`](https://youtrack.jetbrains.com/issue/KT-53208) K2: Cannot get annotation for default interface method parameter when compiled with `-Xuse-k2`
- [`KT-53184`](https://youtrack.jetbrains.com/issue/KT-53184) K2: NoSuchMethodError on KProperty1.get() referenced via nullable typealias
- [`KT-53198`](https://youtrack.jetbrains.com/issue/KT-53198) K2: Return type mismatch: expected kotlin/Unit, actual kotlin/Unit?
- [`KT-53100`](https://youtrack.jetbrains.com/issue/KT-53100) Optimization needed: <T-unbox>(CONSTANT_PRIMITIVE(x: T?)) => x
- [`KT-49875`](https://youtrack.jetbrains.com/issue/KT-49875) [FIR] Support infering PRIVATE_TO_THIS visibility
- [`KT-53024`](https://youtrack.jetbrains.com/issue/KT-53024) Refactor FIR renderer to composable architecture
- [`KT-50995`](https://youtrack.jetbrains.com/issue/KT-50995) [FIR] Support SAM with receiver plugin
- [`KT-53148`](https://youtrack.jetbrains.com/issue/KT-53148) K1: introduce warning for inline virtual member in enum
- [`KT-49847`](https://youtrack.jetbrains.com/issue/KT-49847) Devirtualization fails to eliminate boxing in function reference context
- [`KT-52875`](https://youtrack.jetbrains.com/issue/KT-52875) Extension function literal creation with `-Xlambdas=indy` fails with incorrect arguments
- [`KT-53072`](https://youtrack.jetbrains.com/issue/KT-53072) INVALID_IF_AS_EXPRESSION error isn't shown in the IDE (LV 1.8)
- [`KT-52985`](https://youtrack.jetbrains.com/issue/KT-52985) Native: a function with type `T?` returned a `kotlin.Unit` instead of `null`
- [`KT-52020`](https://youtrack.jetbrains.com/issue/KT-52020) FIR warning message includes internal rendering
- [`KT-48778`](https://youtrack.jetbrains.com/issue/KT-48778) -Xtype-enhancement-improvements-strict-mode not respecting `@NonNull` annotation for property accesses?

### IDE

#### Fixes

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

### IDE. Completion

- [`KTIJ-22552`](https://youtrack.jetbrains.com/issue/KTIJ-22552) Kotlin: 'for loop' postfix completion doesn't work - "Fe10SuggestVariableNameMacro must be not requested from main classloader"
- [`KTIJ-22503`](https://youtrack.jetbrains.com/issue/KTIJ-22503) Support code completion for data objects

### IDE. Debugger

- [`KT-51755`](https://youtrack.jetbrains.com/issue/KT-51755) Compilation exception with scripting compilation during debug session
- [`KTIJ-21963`](https://youtrack.jetbrains.com/issue/KTIJ-21963) Debugger / IR: Expression evaluation of the debugger doesn't work

### IDE. Decompiler, Indexing, Stubs

- [`KTIJ-22750`](https://youtrack.jetbrains.com/issue/KTIJ-22750) Initialize Kotlin stub element types lazily
- [`KTIJ-18094`](https://youtrack.jetbrains.com/issue/KTIJ-18094) IDE: "AssertionError: Stub count doesn't match stubbed node length" with minified Android AAR library
- [`KTIJ-17632`](https://youtrack.jetbrains.com/issue/KTIJ-17632) IndexOutOfBoundsException: Cannot decompile a class located in minified AAR

### IDE. Gradle Integration

- [`KT-48135`](https://youtrack.jetbrains.com/issue/KT-48135) In the IDE import, reuse dependency granular source set KLIBs across multi-project build to avoid duplicate external libraries
- [`KTIJ-22345`](https://youtrack.jetbrains.com/issue/KTIJ-22345) False positive unresolved reference for members of subclasses of expect classes.
- [`KT-53514`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-51583) Gradle 7.4+ | SamplesVariantRule interference: Could not resolve all files for configuration ':kotlinKlibCommonizerClasspath'
- [`KTIJ-21077`](https://youtrack.jetbrains.com/issue/KTIJ-21077) Dependency matrix does not work with Jetpack compose / multiplatform projects

### IDE. Inspections and Intentions

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

### IDE. JS

- [`KTIJ-22167`](https://youtrack.jetbrains.com/issue/KTIJ-22167) Make JS IR default in projects created by wizard
- [`KTIJ-22332`](https://youtrack.jetbrains.com/issue/KTIJ-22332) Wizard: Kotlin/JS projects: cssSupport DSL should be updated

### IDE. KDoc

- [`KTIJ-22324`](https://youtrack.jetbrains.com/issue/KTIJ-22324) K2 IDE: implement reference resolve inside KDocs

### IDE. Multiplatform

- [`KTIJ-19566`](https://youtrack.jetbrains.com/issue/KTIJ-19566) New Project Wizard: Update HMPP-related flags in multiplatform wizards

### IDE. Navigation

- [`KT-51314`](https://youtrack.jetbrains.com/issue/KT-51314) FIR IDE: show Kotlin declarations in search symbol
- [`KTIJ-22755`](https://youtrack.jetbrains.com/issue/KTIJ-22755) Find usage for constructor from kotlin library doesn't work for secondary constructor usages

### IDE. Script

- [`KTIJ-22598`](https://youtrack.jetbrains.com/issue/KTIJ-22598) Add warning for standalone scripts in source roots
- [`KT-54325`](https://youtrack.jetbrains.com/issue/KT-54325) .settings.gradle.kts and .init.gradle.kts are reported as standalone scripts

### IDE. Structural Search

- [`KTIJ-21986`](https://youtrack.jetbrains.com/issue/KTIJ-21986) KSSR: "CodeFragment with non-kotlin context should have fakeContextForJavaFile set:  originalContext = null" warning shows up when replacing

### IDE. Tests Support

- [`KT-50269`](https://youtrack.jetbrains.com/issue/KT-50269) FIR IDE: Allow running tests via gutter

### IDE. Wizards

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

### JavaScript

#### Fixes

- [`KT-55097`](https://youtrack.jetbrains.com/issue/KT-55097) KJS / IR + IC: Using an internal function from a friend module throws an unbound symbol exception
- [`KT-54406`](https://youtrack.jetbrains.com/issue/KT-54406) Kotlin/JS: build with dependencies fails with "Could not find "kotlin" in [~/.local/share/kotlin/daemon]"
- [`KT-53074`](https://youtrack.jetbrains.com/issue/KT-53074) Make JS IR BE default in toolchain (gradle & CLI)
- [`KT-50589`](https://youtrack.jetbrains.com/issue/KT-50589) UTF-8 Instability in kotlin.js.map
- [`KT-54934`](https://youtrack.jetbrains.com/issue/KT-54934) KJS / IR + IC: Suspend abstract function stubs are generated with unstable lowered ic signatures
- [`KT-54895`](https://youtrack.jetbrains.com/issue/KT-54895) KJS / IR + IC: broken cross module references for function default param wrappers
- [`KT-54520`](https://youtrack.jetbrains.com/issue/KT-54520) KJS / IR Allow IdSignature clashes
- [`KT-54120`](https://youtrack.jetbrains.com/issue/KT-54120) JS IR + IC: pointless invalidation of dependent code after modifying companions
- [`KT-53986`](https://youtrack.jetbrains.com/issue/KT-53986) KJS / IR + IC: compiler produces different JS file names with IC and without IC
- [`KT-54010`](https://youtrack.jetbrains.com/issue/KT-54010) JS IR + IC: Force IC cache invalidation after updating language version or features
- [`KT-53931`](https://youtrack.jetbrains.com/issue/KT-53931) KJS / Gradle: Regression with 1.7.20-RC: ReferenceError: println is not defined
- [`KT-53968`](https://youtrack.jetbrains.com/issue/KT-53968) Kotlin/JS: no UninitializedPropertyAccessException on access to non-initialized lateinit property defined in dependencies
- [`KT-54686`](https://youtrack.jetbrains.com/issue/KT-54686) KJS / IR: Incorrect generation of signatures when one of argument is nested class
- [`KT-54479`](https://youtrack.jetbrains.com/issue/KT-54479) KJS / IR + IC: Adding or removing companion fields leads java.lang.IllegalStateException in the compiler IC infrastructure
- [`KT-54382`](https://youtrack.jetbrains.com/issue/KT-54382) KJS / IR: Wrong type check for inheritors of suspend functions
- [`KT-54323`](https://youtrack.jetbrains.com/issue/KT-54323) KJS / IR + IC: Intrinsics from stdlib may lose their dependencies in incremental rebuild
- [`KT-53361`](https://youtrack.jetbrains.com/issue/KT-53361) KJS / IR: No debug info is generated for in-line js code
- [`KT-53321`](https://youtrack.jetbrains.com/issue/KT-53321) Implement Enum.entries lowering on JS/IR
- [`KT-53112`](https://youtrack.jetbrains.com/issue/KT-53112) KJS IR turn on IC infra by default
- [`KT-50503`](https://youtrack.jetbrains.com/issue/KT-50503) Kotlin/JS: IR + IC: compileTestDevelopmentExecutableKotlinJs fails with ISE: "Could not find library" after removing module dependency
- [`KT-54011`](https://youtrack.jetbrains.com/issue/KT-54011) JS IR + IC: EnumEntries don't work well when IC is enabled
- [`KT-53672`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-43455) KJS: IR. Incremental compilation problem with unbound symbols
- [`KT-53539`](https://youtrack.jetbrains.com/issue/KT-53539) KJS: Exported class inherited non-exported class shows warning
- [`KT-53443`](https://youtrack.jetbrains.com/issue/KT-53443) KJS/IR: NullPointerException caused by anonymous objects inside lambdas
- [`KT-52795`](https://youtrack.jetbrains.com/issue/KT-52795) K/JS and K/Native IR-validation/compilation errors for a valid kotlin code
- [`KT-52805`](https://youtrack.jetbrains.com/issue/KT-52805) KJS/IR: Invalid call of inline function in `also` block
- [`KT-51151`](https://youtrack.jetbrains.com/issue/KT-51151) KJS / IR: Wrong overloaded generic method with receiver is called
- [`KT-52830`](https://youtrack.jetbrains.com/issue/KT-52830) KJS/IR: Sourcemap disabling doesn't work
- [`KT-52968`](https://youtrack.jetbrains.com/issue/KT-52968) KJS / IR: Buggy generation of overridden methods
- [`KT-53063`](https://youtrack.jetbrains.com/issue/KT-53063) KJS / IR + IC: undefined cross module reference for implemented interface functions
- [`KT-51099`](https://youtrack.jetbrains.com/issue/KT-51099) KJS / IR + IC: Cache invalidation doesn't check generic class variance annotations (in, out)
- [`KT-51090`](https://youtrack.jetbrains.com/issue/KT-51090) KJS / IR + IC: Cache invalidation doesn't check suspend qualifier
- [`KT-51088`](https://youtrack.jetbrains.com/issue/KT-51088) KJS / IR + IC: Cache invalidation doesn't check class qualifiers (data, inline)
- [`KT-51083`](https://youtrack.jetbrains.com/issue/KT-51083) KJS / IR + IC: Cache invalidation doesn't check inline function which was non inline initially
- [`KT-51896`](https://youtrack.jetbrains.com/issue/KT-51896) KJS / IR + IC: Cache invalidation doesn't trigger rebuild for fake overridden inline functions

### Language Design

- [`KT-48385`](https://youtrack.jetbrains.com/issue/KT-48385) Deprecate confusing grammar in when-with-subject
- [`KT-48516`](https://youtrack.jetbrains.com/issue/KT-48516) Forbid `@Synchronized` annotation on suspend functions
- [`KT-41886`](https://youtrack.jetbrains.com/issue/KT-41886) Ability to require opt-in for interface implementation, but not for usage
- [`KT-34943`](https://youtrack.jetbrains.com/issue/KT-34943) OVERLOAD_RESOLUTION_AMBIGUITY inconsistent with the equivalent Java code
- [`KT-51334`](https://youtrack.jetbrains.com/issue/KT-51334) Implement type-bound label `this@Type`

### Libraries

#### New Features

- [`KT-21007`](https://youtrack.jetbrains.com/issue/KT-21007) Provide Kotlin OSGI Bundle with extensions for JRE8 (and JRE7)
- [`KT-54082`](https://youtrack.jetbrains.com/issue/KT-54082) Comparable and subtractible TimeMarks
- [`KT-52928`](https://youtrack.jetbrains.com/issue/KT-52928) Provide copyToRecursively and deleteRecursively extension functions for java.nio.file.Path
- [`KT-49425`](https://youtrack.jetbrains.com/issue/KT-49425) Update OptIn documentation to reflect latest design changes
- [`KT-54005`](https://youtrack.jetbrains.com/issue/KT-54005) Allow calling `declaringJavaClass` on Enum<E>
- [`KT-52933`](https://youtrack.jetbrains.com/issue/KT-52933) rangeUntil members in built-in types

#### Performance Improvements

- [`KT-53508`](https://youtrack.jetbrains.com/issue/KT-53508) Cache typeOf-related KType instances when kotlin-reflect is used

#### Fixes

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

### Native

- [`KT-51043`](https://youtrack.jetbrains.com/issue/KT-51043) Kotlin Native: ObjC-Interop: kotlin.ClassCastException: null cannot be cast to kotlin.Function2
- [`KT-50786`](https://youtrack.jetbrains.com/issue/KT-50786) Native: prohibit suspend calls inside autoreleasepool {}
- [`KT-52834`](https://youtrack.jetbrains.com/issue/KT-52834) Implement test infrastructure for K2/Native

### Native. C Export

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

### Native. C and ObjC Import

- [`KT-54738`](https://youtrack.jetbrains.com/issue/KT-54738) Cocoapods cinterop: linking platform.CoreGraphics package
- [`KT-54001`](https://youtrack.jetbrains.com/issue/KT-54001) Kotlin/Native: support header exclusion in cinterop def files
- [`KT-53151`](https://youtrack.jetbrains.com/issue/KT-53151) Native: Custom declarations in .def don't work with modules, only headers

### Native. ObjC Export

- [`KT-53680`](https://youtrack.jetbrains.com/issue/KT-53680) Obj-C refinement annotations
- [`KT-54119`](https://youtrack.jetbrains.com/issue/KT-54119) Native: runtime assertion failed due to missing thread state switch
- [`KT-42641`](https://youtrack.jetbrains.com/issue/KT-42641) Don't export generated component* methods from Kotlin data classes to Obj-C header

### Native. Platform Libraries

- [`KT-54225`](https://youtrack.jetbrains.com/issue/KT-54225) Native: update to Xcode 14.1
- [`KT-54164`](https://youtrack.jetbrains.com/issue/KT-54164) Native: commonizer fails on CoreFoundation types
- [`KT-39747`](https://youtrack.jetbrains.com/issue/KT-39747) Why is there no WinHttp API in Kotlin/Native's Windows API?

### Native. Runtime

- [`KT-49228`](https://youtrack.jetbrains.com/issue/KT-49228) Kotlin/Native: Allow to unset unhandled exception hook
- [`KT-27305`](https://youtrack.jetbrains.com/issue/KT-27305) Fix __FILE__ macro inside `RuntimeCheck` and `RuntimeAssert`

### Native. Runtime. Memory

- [`KT-54498`](https://youtrack.jetbrains.com/issue/KT-54498) Deprecation message of 'FreezingIsDeprecated' is not really helpful
- [`KT-53182`](https://youtrack.jetbrains.com/issue/KT-53182) New memory manager: Unexpected memory usage on IOS

### Native. Stdlib

- [`KT-52429`](https://youtrack.jetbrains.com/issue/KT-52429) Small Usability Improvements for Worker API

### Reflection

- [`KT-54629`](https://youtrack.jetbrains.com/issue/KT-54629) Incorrectly cached class classifier
- [`KT-54611`](https://youtrack.jetbrains.com/issue/KT-54611) `KTypeImpl`  does not take into account class loader from the `classifier` property
- [`KT-48136`](https://youtrack.jetbrains.com/issue/KT-48136) Make `Reflection.getOrCreateKotlinPackage` use cache when `kotlin-reflect` is used
- [`KT-50705`](https://youtrack.jetbrains.com/issue/KT-50705) Use ClassValue to cache KClass objects in kotlin-reflect
- [`KT-53454`](https://youtrack.jetbrains.com/issue/KT-53454) Properly cache the same class's KClass when it's loaded by multiple classloaders in getOrCreateKotlinClass

### Specification

- [`KT-54210`](https://youtrack.jetbrains.com/issue/KT-54210) Update Kotlin specification to mention that since 1.8 generics in value classes are allowed

### Tools. CLI

- [`KT-54116`](https://youtrack.jetbrains.com/issue/KT-54116) Add JVM target bytecode version 19
- [`KT-53278`](https://youtrack.jetbrains.com/issue/KT-53278) Support values 6 and 8 for -Xjdk-release
- [`KT-46312`](https://youtrack.jetbrains.com/issue/KT-46312) CLI: Kotlin runner should use platform class loader to load JDK modules on Java 9+

### Tools. Commonizer

- [`KT-54310`](https://youtrack.jetbrains.com/issue/KT-54310) Commonizer fails on 1.8.0-dev K/N distributions
- [`KT-48576`](https://youtrack.jetbrains.com/issue/KT-48576) [Commonizer] platform.posix.pselect not commonized in Ktor

### Tools. Compiler Plugins

- [`KT-46959`](https://youtrack.jetbrains.com/issue/KT-46959) Kotlin Lombok: Support generated builders (`@Builder`)
- [`KT-53683`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-53647) [K2] Unresolved reference compilation error occurs if a field is annotated with `@` Singular and has type Iterable<>
- [`KT-53724`](https://youtrack.jetbrains.com/issue/KT-53724) Param of the `@` Singular lombok annotation ignoreNullCollections=true is ignored by kotlin compiler
- [`KT-53451`](https://youtrack.jetbrains.com/issue/KT-53451) [K2] References to methods generated by `@` With lombok annotation can't be resolved with enabled K2 compiler
- [`KT-53721`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-55340) Argument for kotlinx.serialization.UseSerializers does not implement KSerializer or does not provide serializer for concrete type
- [`KT-55296`](https://youtrack.jetbrains.com/issue/KT-55296) Improve exceptions in serialization plugin
- [`KT-55180`](https://youtrack.jetbrains.com/issue/KT-55180) KJS: regression in serialization for Kotlin 1.8.0-beta
- [`KT-53157`](https://youtrack.jetbrains.com/issue/KT-53157) Recursion detected in a lazy value under LockBasedStorageManager in kotlinx.serialization
- [`KT-54297`](https://youtrack.jetbrains.com/issue/KT-54297) Regression in serializable classes with star projections
- [`KT-49660`](https://youtrack.jetbrains.com/issue/KT-49660) kotlinx.serialization: IndexOutOfBoundsException for parameterized sealed class
- [`KT-43910`](https://youtrack.jetbrains.com/issue/KT-43910) JS IR: Serialization with base class: "IndexOutOfBoundsException: Index 0 out of bounds for length 0"

### Tools. Daemon

- [`KT-52622`](https://youtrack.jetbrains.com/issue/KT-52622) Kotlin/JS, Kotlin/Common compilations start Kotlin daemon incompatible with Kotlin/JVM compilation on JDK 8

### Tools. Gradle

#### New Features

- [`KT-27301`](https://youtrack.jetbrains.com/issue/KT-27301) Expose compiler flags via Gradle lazy properties
- [`KT-53357`](https://youtrack.jetbrains.com/issue/KT-53357) Change single build metrics property
- [`KT-50673`](https://youtrack.jetbrains.com/issue/KT-50673) Gradle: KotlinCompile task(s) should use `@NormalizeLineEndings`
- [`KT-34464`](https://youtrack.jetbrains.com/issue/KT-34464) Kotlin build report path not clickable in the IDE

#### Performance Improvements

- [`KT-51525`](https://youtrack.jetbrains.com/issue/KT-51525) [Gradle] Optimize evaluating args for compile tasks
- [`KT-52520`](https://youtrack.jetbrains.com/issue/KT-52520) Remove usage of reflection from CompilerArgumentsGradleInput

#### Fixes

- [`KT-48843`](https://youtrack.jetbrains.com/issue/KT-48843) Add ability to disable Kotlin daemon fallback strategy
- [`KT-55334`](https://youtrack.jetbrains.com/issue/KT-55334) kaptGenerateStubs passes wrong android variant module names to compiler
- [`KT-55255`](https://youtrack.jetbrains.com/issue/KT-55255) Gradle: stdlib version alignment fails build on dynamic stdlib version.
- [`KT-55363`](https://youtrack.jetbrains.com/issue/KT-55363) [K1.8.0-Beta] Command line parsing treats plugin parameters as source files
- [`KT-54993`](https://youtrack.jetbrains.com/issue/KT-54993) Raise kotlin.jvm.target.validation.mode check default level to error when build is running on Gradle 8+
- [`KT-54136`](https://youtrack.jetbrains.com/issue/KT-54136) Duplicated classes cause build failure if a dependency to kotlin-stdlib specified in an android project
- [`KT-50115`](https://youtrack.jetbrains.com/issue/KT-50115) Setting toolchain via Java extension does not configure 'kotlinOptions.jvmTarget' value when Kotlin compilation tasks are created eagerly
- [`KT-55222`](https://youtrack.jetbrains.com/issue/KT-55222) Migrate AndroidDependencyResolver to the new Gradle API
- [`KT-55119`](https://youtrack.jetbrains.com/issue/KT-55119) There is no validation for different jvmTarget and targetCompatibility values in multiplatform projects with jvm target and used java sources
- [`KT-55102`](https://youtrack.jetbrains.com/issue/KT-55102) Compile java task fails with different target version in pure kotlin project
- [`KT-54995`](https://youtrack.jetbrains.com/issue/KT-54995) [1.8.0-Beta] compileAppleMainKotlinMetadata fails on default parameters with `No value passed for parameter 'mustExist'`
- [`KT-35003`](https://youtrack.jetbrains.com/issue/KT-35003) Automatically set targetCompatibility for kotlin-jvm projects to work with gradle 6 metadata
- [`KT-45335`](https://youtrack.jetbrains.com/issue/KT-45335) kotlinOptions.jvmTarget conflicts with Gradle variants
- [`KT-48798`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-55019) Gradle sync: UnknownConfigurationException when adding implementation dependencies to a Kotlin with Java compilation
- [`KT-55004`](https://youtrack.jetbrains.com/issue/KT-55004) jvmTarget value is ignored by depending modules if a task "UsesKotlinJavaToolchain" is configured for all project modules using allProjects {}
- [`KT-54888`](https://youtrack.jetbrains.com/issue/KT-54888) Add Gradle property to suppress kotlinOptions.freeCompilerArgs modification on execution phase
- [`KT-54399`](https://youtrack.jetbrains.com/issue/KT-54399) Undeprecate 'kotlinOptions' DSL
- [`KT-54306`](https://youtrack.jetbrains.com/issue/KT-54306) Change the naming of newly added Compiler*Options classes and interfaces
- [`KT-54580`](https://youtrack.jetbrains.com/issue/KT-54580) KotlinOptions in AbstractKotlinCompilation class are deprecated
- [`KT-54653`](https://youtrack.jetbrains.com/issue/KT-54653) java.lang.NoClassDefFoundError: kotlin/jdk7/AutoCloseableKt exception if a dependency to the kotlin-stdlib is added
- [`KT-52624`](https://youtrack.jetbrains.com/issue/KT-52624) Compatibility with Gradle 7.3 release
- [`KT-54703`](https://youtrack.jetbrains.com/issue/KT-54703) Stdlib substitution does not work with JPMS modules
- [`KT-54602`](https://youtrack.jetbrains.com/issue/KT-54602) Prevent leaking Gradle Compile DSL types into compiler cli runtime
- [`KT-54439`](https://youtrack.jetbrains.com/issue/KT-54439) Project failed to sync Native LaguageSettings to compiler options in afterEvaluate
- [`KT-53885`](https://youtrack.jetbrains.com/issue/KT-53885) Bump minimal supported Gradle version to 6.8.3
- [`KT-53773`](https://youtrack.jetbrains.com/issue/KT-53773) Protect and system properties can contain sensitive data
- [`KT-53732`](https://youtrack.jetbrains.com/issue/KT-53732) Add custom values limits for build scan reports
- [`KT-52623`](https://youtrack.jetbrains.com/issue/KT-52623) Compatibility with Gradle 7.2. release
- [`KT-51831`](https://youtrack.jetbrains.com/issue/KT-51831) Gradle: remove `kotlin.compiler.execution.strategy` system property
- [`KT-51679`](https://youtrack.jetbrains.com/issue/KT-51679) Change deprecation level to error for KotlinCompile setClasspath/getClasspath methods
- [`KT-54335`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-54356) Kotlin build report configuration. Wrong path is used for the property kotlin.internal.single.build.metrics.file
- [`KT-53617`](https://youtrack.jetbrains.com/issue/KT-53617) KotlinCompilerExecutionStrategy value  is ignored by depending modules if configure once for all project modules using allProjects {}
- [`KT-53823`](https://youtrack.jetbrains.com/issue/KT-53823) Kotlin Gradle Plugin uses deprecated Gradle API: Provider.forUseAtConfigurationTime()
- [`KT-54142`](https://youtrack.jetbrains.com/issue/KT-54142) Increase Kotlin Gradle plugin Gradle target API to 7.5
- [`KT-50161`](https://youtrack.jetbrains.com/issue/KT-50161) Android variant filter breaks KotlinCompile cache compatibility
- [`KT-54113`](https://youtrack.jetbrains.com/issue/KT-54113) LanguageSettings to KotlinNativeLink.toolOptions sync are executed on the wrong context
- [`KT-53830`](https://youtrack.jetbrains.com/issue/KT-53830) Versions of kotlin-stdlib-jdk8 and  kotlin-stdlib-jdk7 aren't overrided if added as transitive dependencies to kotlin-stdlib
- [`KT-54112`](https://youtrack.jetbrains.com/issue/KT-54112) Missing target input on KotlinNativeLink task
- [`KT-45879`](https://youtrack.jetbrains.com/issue/KT-45879) Documentation: Wrong kotlin languageVersion "1.6 (EXPERIMENTAL)"
- [`KT-54103`](https://youtrack.jetbrains.com/issue/KT-54103) Remove JvmTarget.JVM_1_6 from generated Gradle compiler type
- [`KT-52959`](https://youtrack.jetbrains.com/issue/KT-52959) KMP code is breaking Gradle project isolation
- [`KT-50598`](https://youtrack.jetbrains.com/issue/KT-50598) MULTIPLE_KOTLIN_PLUGINS_SPECIFIC_PROJECTS_WARNING is only shown on first build
- [`KT-53246`](https://youtrack.jetbrains.com/issue/KT-53246) Gradle: Special characters in paths of errors and warnings should be escaped
- [`KT-47730`](https://youtrack.jetbrains.com/issue/KT-47730) How to avoid stdlib coming from Kotlin gradle plugin
- [`KT-52209`](https://youtrack.jetbrains.com/issue/KT-52209) Corrupted cache and non-incremental build if produce caches "in process" and restore then compiling with kotlin daemon
- [`KT-41642`](https://youtrack.jetbrains.com/issue/KT-41642) "TaskDependencyResolveException: Could not determine the dependencies" when trying to apply stdlib
- [`KT-53390`](https://youtrack.jetbrains.com/issue/KT-53390) Drop usage of -Xjava-source-roots when passing java sources required for Kotlin compilation
- [`KT-52984`](https://youtrack.jetbrains.com/issue/KT-52984) Kotlin Gradle plugin is misbehaving by resolving DomainObjectCollection early
- [`KT-38622`](https://youtrack.jetbrains.com/issue/KT-38622) Non-incremental compilation because of R.jar with Android Gradle plugin 3.6
- [`KT-38576`](https://youtrack.jetbrains.com/issue/KT-38576) AnalysisResult.RetryWithAdditionalRoots crashes during incremental compilation with java classes in classpath

### Tools. Gradle. Cocoapods

- [`KT-54314`](https://youtrack.jetbrains.com/issue/KT-54314) Cocoapods: Signing pod dependency for Xcode 14
- [`KT-54060`](https://youtrack.jetbrains.com/issue/KT-54060) Xcode 14: disable bitcode embedding for Apple frameworks
- [`KT-53340`](https://youtrack.jetbrains.com/issue/KT-53340) Change default linking type for frameworks registered by cocoapods plugin
- [`KT-53392`](https://youtrack.jetbrains.com/issue/KT-53392) Deprecate and delete downloading pod dependencies by direct link
- [`KT-53695`](https://youtrack.jetbrains.com/issue/KT-53695) Build of macOS application fails if a framework is integrated via Cocoapods plugin

### Tools. Gradle. JS

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

### Tools. Gradle. Multiplatform

#### New Features

- [`KT-53396`](https://youtrack.jetbrains.com/issue/KT-53396) Support 'implementation platform()' by gradle kotlin mpp plugin for JVM target
- [`KT-40489`](https://youtrack.jetbrains.com/issue/KT-40489) MPP / Gradle: support BOM (enforcedPlatform) artifacts in source set dependencies DSL

#### Performance Improvements

- [`KT-52726`](https://youtrack.jetbrains.com/issue/KT-52726) [MPP] Optimize caching/performance/call-sites of 'compilationsBySourceSets'

#### Fixes

- [`KT-54634`](https://youtrack.jetbrains.com/issue/KT-54634) MPP: Test Failure causes: `KotlinJvmTest$Executor$execute$1 does not define failure`
- [`KT-35916`](https://youtrack.jetbrains.com/issue/KT-35916) Gradle MPP plugin: Configurations for a main compilation and its default source set have different naming
- [`KT-46960`](https://youtrack.jetbrains.com/issue/KT-46960) Repeated kotlin/native external libraries in project
- [`KT-27292`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-34650) Naming clash in MPP+Android: androidTest vs androidAndroidTest
- [`KT-54387`](https://youtrack.jetbrains.com/issue/KT-54387) Remove MPP alpha stability warning
- [`KT-31468`](https://youtrack.jetbrains.com/issue/KT-31468) Targets disambiguation doesn't work if a depending multiplatform module uses `withJava()` mode
- [`KT-54090`](https://youtrack.jetbrains.com/issue/KT-54090) Take an Apple test device from the device list
- [`KT-54301`](https://youtrack.jetbrains.com/issue/KT-54301) KotlinToolingVersionOrNull: IllegalArgumentException
- [`KT-53256`](https://youtrack.jetbrains.com/issue/KT-53256) Implement K/N compiler downloading for KPM
- [`KT-45412`](https://youtrack.jetbrains.com/issue/KT-45412) KotlinCompilation: Make sure .kotlinSourceSets and .allKotlinSourceSets include the default source set
- [`KT-49202`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-43293) Support Gradle configuration caching with Kotlin/Native
- [`KT-53107`](https://youtrack.jetbrains.com/issue/KT-53107) Add arm64 support for watchOS targets (Xcode 14)

#### Fixes

- [`KT-53704`](https://youtrack.jetbrains.com/issue/KT-53704) Native cinterop: eager header path calculation
- [`KT-54814`](https://youtrack.jetbrains.com/issue/KT-54814) Kotlin/Native: Github Actions: Testing watchOSX64 with Xcode 14 — Invalid device: Apple Watch Series 5
- [`KT-54627`](https://youtrack.jetbrains.com/issue/KT-54627) Native: :commonizeNativeDistribution with configuration cache enabled fails even when set to warn on JDK 17
- [`KT-54339`](https://youtrack.jetbrains.com/issue/KT-54339) Link tasks fail if Gradle Configuration Cache is enabled
- [`KT-53191`](https://youtrack.jetbrains.com/issue/KT-53191) Native cinterop sync problem with gradle
- [`KT-54583`](https://youtrack.jetbrains.com/issue/KT-54583) watchosDeviceArm64 target shouldn't register test tasks
- [`KT-52303`](https://youtrack.jetbrains.com/issue/KT-52303) Gradle / Native: Build tasks ignore project.buildDir
- [`KT-54442`](https://youtrack.jetbrains.com/issue/KT-54442) Gradle iOS test tasks fail if a device is not selected explicitly
- [`KT-54177`](https://youtrack.jetbrains.com/issue/KT-54177) Gradle: Deprecate `enableEndorsedLibs` flag
- [`KT-47355`](https://youtrack.jetbrains.com/issue/KT-47355) Support macos target for FatFramework task
- [`KT-53339`](https://youtrack.jetbrains.com/issue/KT-53339) MPP / CocoaPods: The static framework fails to install on a real iOS device
- [`KT-31573`](https://youtrack.jetbrains.com/issue/KT-31573) Missing description for Native Gradle tasks
- [`KT-53131`](https://youtrack.jetbrains.com/issue/KT-53131) Gradle Sync: "NoSuchElementException: Array contains no element matching the predicate" with CocoaPods
- [`KT-53686`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-54144) New IC: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing an inline function with custom JvmName
- [`KT-53871`](https://youtrack.jetbrains.com/issue/KT-53871) New IC: "IllegalStateException: The following LookupSymbols are not yet converted to ProgramSymbols" when changing an inline property accessor
- [`KT-19804`](https://youtrack.jetbrains.com/issue/KT-19804) Relocatable IC caches

### Tools. JPS

- [`KT-45474`](https://youtrack.jetbrains.com/issue/KT-45474) False positive NO_ELSE_IN_WHEN on sealed class with incremental compilation
- [`KT-54228`](https://youtrack.jetbrains.com/issue/KT-54228) Switching abstract to sealed classes causes incremental issue
- [`KT-38483`](https://youtrack.jetbrains.com/issue/KT-38483) JPS: Stopping compilation causes IDE CompilationCanceledException
- [`KT-50310`](https://youtrack.jetbrains.com/issue/KT-50310) False positive NO_ELSE_IN_WHEN on incremental build when adding sealed classes
- [`KT-48813`](https://youtrack.jetbrains.com/issue/KT-48813) Move cache version to compiler
- [`KTIJ-921`](https://youtrack.jetbrains.com/issue/KTIJ-921) JPS: FileNotFoundException on project build in mixed Kotlin/Scala project

### Tools. Kapt

- [`KT-54187`](https://youtrack.jetbrains.com/issue/KT-54187) JVM IR + kapt: incorrect modifier `final` is generated for nested enum in interface
- [`KT-48827`](https://youtrack.jetbrains.com/issue/KT-48827) Remove 'kapt.use.worker.api' property

### Tools. Scripts

- [`KT-54355`](https://youtrack.jetbrains.com/issue/KT-54355) Scripts: Internal compiler error (languageVersion=1.9)
- [`KT-53009`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-54463) Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate
- [`KT-54509`](https://youtrack.jetbrains.com/issue/KT-54509) Ir Interpreter: unable to evaluate string concatenation with "this" as argument
- [`KT-54004`](https://youtrack.jetbrains.com/issue/KT-54004) Builder type inference does not work correctly with variable assignment and breaks run-time
- [`KT-54393`](https://youtrack.jetbrains.com/issue/KT-54393) Change in behavior from 1.7.10 to 1.7.20 for java field override.
- [`KT-54615`](https://youtrack.jetbrains.com/issue/KT-54615) JVM: Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression
- [`KT-54581`](https://youtrack.jetbrains.com/issue/KT-54581) JVM: "VerifyError: Bad type on operand stack" with generic inline function and `when` inside try-catch block
- [`KT-53146`](https://youtrack.jetbrains.com/issue/KT-53146) JVM IR: unnecessary checkcast of null leads to NoClassDefFoundError if the type isn't available at runtime
- [`KT-54600`](https://youtrack.jetbrains.com/issue/KT-54600) NPE on passing nullable Kotlin lambda as Java's generic SAM interface with `super` type bound
- [`KT-54707`](https://youtrack.jetbrains.com/issue/KT-54707) "VerifyError: Bad type on operand stack" in inline call chain on a nullable array value
- [`KT-54650`](https://youtrack.jetbrains.com/issue/KT-54650) Binary incompatible ABI change in Kotlin 1.7.20
- [`KT-54802`](https://youtrack.jetbrains.com/issue/KT-54802) "VerifyError: Bad type on operand stack" for inline functions on arrays


### Native. Runtime. Memory

- [`KT-54498`](https://youtrack.jetbrains.com/issue/KT-54498) Deprecation message of 'FreezingIsDeprecated' is not really helpful

### Tools. Gradle. Multiplatform

- [`KT-54387`](https://youtrack.jetbrains.com/issue/KT-54387) Remove MPP alpha stability warning
- [`KT-48436`](https://youtrack.jetbrains.com/issue/KT-48436) False positive "The Kotlin source set androidAndroidTestRelease was configured but not added to any Kotlin compilation"

### Tools. JPS

- [`KT-45474`](https://youtrack.jetbrains.com/issue/KT-45474) False positive NO_ELSE_IN_WHEN on sealed class with incremental compilation


## 1.7.20

### Analysis API

- [`KT-52667`](https://youtrack.jetbrains.com/issue/KT-52667) FIR IDE: fun interfaces (SAM interfaces) are not properly resolved
- [`KT-52136`](https://youtrack.jetbrains.com/issue/KT-52136) FIR: Implicit type declaration from the other module cannot be used for overloading

### Analysis API. FE1.0

- [`KT-51962`](https://youtrack.jetbrains.com/issue/KT-51962) Analysis API: Finish Analysis API for FE1.0

### Analysis API. FIR

- [`KT-52779`](https://youtrack.jetbrains.com/issue/KT-52779) FIR IDE: Import Optimizer cannot handle generic type qualifiers
- [`KT-50236`](https://youtrack.jetbrains.com/issue/KT-50236) Fix OOB modification trackers for non-Kotlin code
- [`KT-51240`](https://youtrack.jetbrains.com/issue/KT-51240) Analysis API: KtAnalysisSession for a specific module cannot create a symbol for PSI that cannot be seen from that module.
- [`KT-50868`](https://youtrack.jetbrains.com/issue/KT-50868) Analysis API: decompiled type aliases are not resolved

### Compiler

- [`KT-53739`](https://youtrack.jetbrains.com/issue/KT-53739) Builder inference, extension hides members
- [`KT-53733`](https://youtrack.jetbrains.com/issue/KT-53733) Kotlin/Native: update source documentation for the new default memory manager
- [`KT-53667`](https://youtrack.jetbrains.com/issue/KT-53667) Compiler crashes on attempt to alloc a string on the stack in new MM
- [`KT-53480`](https://youtrack.jetbrains.com/issue/KT-53480) Internal error in file lowering: java.lang.ClassNotFoundException: com.android.systemui.R$string
- [`KT-52843`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-53475) Kotlin/Native for iOS: "IllegalArgumentException: Sequence has more than one element"

#### New Features

- [`KT-52495`](https://youtrack.jetbrains.com/issue/KT-52495) Support until operator in back-ends
- [`KT-52420`](https://youtrack.jetbrains.com/issue/KT-52420) Implement resolve of until operator
- [`KT-52419`](https://youtrack.jetbrains.com/issue/KT-52419) Implement until operator in the parser
- [`KT-33755`](https://youtrack.jetbrains.com/issue/KT-33755) Kotlin/Native: Provide a way to customize a bundle Identifier of a generated framework
- [`KT-51665`](https://youtrack.jetbrains.com/issue/KT-51665) FIR: implement label resolve for "typed this" case
- [`KT-52361`](https://youtrack.jetbrains.com/issue/KT-52361) Report warning on potentially empty intersection types

#### Performance Improvements

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

#### Fixes
- [`KT-53272`](https://youtrack.jetbrains.com/issue/KT-53272) Backend Internal error: Exception during IR lowering / No such value argument slot: 2
- [`KT-53124`](https://youtrack.jetbrains.com/issue/KT-53124) Receiver type mismatch when combining extension properties, type projections, Java sources, and F-bounded type-variables
- [`KT-51868`](https://youtrack.jetbrains.com/issue/KT-51868) JVM / IR: Inconsistent behaviour between lambda expression and SAM interface conversion for the same interface
- [`KT-36770`](https://youtrack.jetbrains.com/issue/KT-36770) Prohibit unsafe calls with expected `@NotNull` T and given Kotlin generic parameter with nullable bound
- [`KT-52974`](https://youtrack.jetbrains.com/issue/KT-52974) "IllegalStateException: Symbol with IrSimpleFunctionSymbolImpl is unbound" compiling native targets of MPP project
- [`KT-53007`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-53019) K2: cannot cast callable reference to Function1 in runtime
- [`KT-53031`](https://youtrack.jetbrains.com/issue/KT-53031) K2 compiler crashes with IllegalStateException: No type in ProtoBuf.ValueParameter
- [`KT-29168`](https://youtrack.jetbrains.com/issue/KT-29168) Prohibit upper bounds violation with generic typealias using not all type parameters as arguments for underlying type in supertypes
- [`KT-52432`](https://youtrack.jetbrains.com/issue/KT-52432) Using the IDE compiled with K2 (useFir) throws VerifyError exception
- [`KT-52327`](https://youtrack.jetbrains.com/issue/KT-52327) False negative: TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM isn't reported
- [`KT-49682`](https://youtrack.jetbrains.com/issue/KT-49682) Support JVM IR in KAPT stub generation
- [`KT-24643`](https://youtrack.jetbrains.com/issue/KT-24643) Prohibit using a type parameter declared for an extension property inside delegate
- [`KT-51972`](https://youtrack.jetbrains.com/issue/KT-51972) FIR, Gradle: "Symbol is invisible" compilation error with enabled Kotlin Lombok compiler plugin
- [`KT-52011`](https://youtrack.jetbrains.com/issue/KT-52011) [FIR] All-open compiler plugin isn't supported
- [`KT-51950`](https://youtrack.jetbrains.com/issue/KT-51950) JVM IR: "IndexOutOfBoundsException: Cannot pop operand off an empty stack" with crossinline lambdas and interface delegation
- [`KT-52540`](https://youtrack.jetbrains.com/issue/KT-52540) Native: kotlin.NotImplementedError with Arrow library
- [`KT-48031`](https://youtrack.jetbrains.com/issue/KT-48031) "IllegalStateException: Type variable TypeVariable(T) should not be fixed!"
- [`KT-47708`](https://youtrack.jetbrains.com/issue/KT-47708) RequiresOptIn check does not flag experimental method usage in SAM lambda expressions
- [`KT-52913`](https://youtrack.jetbrains.com/issue/KT-52913) JVM / IR: "IllegalArgumentException: Inline class types should have the same representation" when trying to down cast cast a value class
- [`KT-50771`](https://youtrack.jetbrains.com/issue/KT-50771) IR partial linkage: Removed abstract callable members are not supported
- [`KT-52994`](https://youtrack.jetbrains.com/issue/KT-52994) Enable generic inline classes as experimental feature
- [`KT-52742`](https://youtrack.jetbrains.com/issue/KT-52742) CYCLE_IN_ANNOTATION_PARAMETER_ERROR false positive on annotations with default values
- [`KT-52743`](https://youtrack.jetbrains.com/issue/KT-52743) Non-null generic functions throws NPE when assigned to val
- [`KT-52745`](https://youtrack.jetbrains.com/issue/KT-52745) Frontend  / K2: "IncompatibleClassChangeError: class A$B overrides final method A.length()I" caused by delegation in a sealed class
- [`KT-52832`](https://youtrack.jetbrains.com/issue/KT-52832) Tree-generator's method FirExpression::isFirType returns true and false for different field names; it should always be true
- [`KT-52403`](https://youtrack.jetbrains.com/issue/KT-52403) IncompatibleClassChangeError when inlining suspend funs
- [`KT-50107`](https://youtrack.jetbrains.com/issue/KT-50107) Missed USAGE_IS_NOT_INLINABLE diagnostic: Leaking inline lambda parameter through extension receiver
- [`KT-47965`](https://youtrack.jetbrains.com/issue/KT-47965) Missed USAGE_IS_NOT_INLINABLE diagnostic on inline lambda parameter usage as receiver of .let call
- [`KT-25787`](https://youtrack.jetbrains.com/issue/KT-25787) No error on crossinline usage of receiver parameter of functional type in an inline function
- [`KT-52762`](https://youtrack.jetbrains.com/issue/KT-52762) Frontend / K2: Named arguments for Java classes lead to "Cannot find a parameter with this name"
- [`KT-52680`](https://youtrack.jetbrains.com/issue/KT-52680) K2: overload resolution ambiguity if `this` is casted in a different method
- [`KT-52676`](https://youtrack.jetbrains.com/issue/KT-52676) K2: Unsupported compile-time value IrGetFieldImpl instead of IrConst in AnnotationCodegen for constant from Java
- [`KT-50293`](https://youtrack.jetbrains.com/issue/KT-50293) False positive: USELESS_CAST on stub types
- [`KT-52175`](https://youtrack.jetbrains.com/issue/KT-52175) WRONG_ANNOTATION_TARGET for annotation that used inside if
- [`KT-52338`](https://youtrack.jetbrains.com/issue/KT-52338) "IncompatibleClassChangeError: Expected non-static field" with Kotlin class with same-named companion object property as base Java class field
- [`KT-49507`](https://youtrack.jetbrains.com/issue/KT-49507) JVM: "IllegalAccessError: class X tried to access private field" with same-named Kotlin property and Java base class field
- [`KT-44512`](https://youtrack.jetbrains.com/issue/KT-44512) FIR DFA: incorrect smartcast after null assignment inside a lambda
- [`KT-49200`](https://youtrack.jetbrains.com/issue/KT-49200) FIR/FE 1.0: different behavior with multiple matching star imports
- [`KT-52718`](https://youtrack.jetbrains.com/issue/KT-52718) declaringClass deprecation message mentions the wrong replacement in 1.7
- [`KT-52190`](https://youtrack.jetbrains.com/issue/KT-52190) FIR2IR: Unexpected IrErrorTypeImpl type for put method inside buildMap
- [`KT-52197`](https://youtrack.jetbrains.com/issue/KT-52197) Incorrect inference of var type inside lambda that passed to extension function with type parameters that defined inside this lambda
- [`KT-52057`](https://youtrack.jetbrains.com/issue/KT-52057) Unsupported compile-time value STRING_CONCATENATION and GET_FIELD in annotation arguments
- [`KT-47823`](https://youtrack.jetbrains.com/issue/KT-47823) JVM IR: "IllegalArgumentException: Inline class types should have the same representation" with `break` usage in the loop range
- [`KT-51883`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-52684) Syntax error regression on complicated combination of LT and GTEQ
- [`KT-52417`](https://youtrack.jetbrains.com/issue/KT-52417) Reflection: Can't reflect on type parameters captured by SAM converted lambda
- [`KT-46797`](https://youtrack.jetbrains.com/issue/KT-46797) JVM IR: suspendImpl has no generic signature, breaking reified types in anonymous object supertypes when using the type token pattern
- [`KT-51464`](https://youtrack.jetbrains.com/issue/KT-51464) FIR: Unable to infer type in coroutines flow code
- [`KT-52163`](https://youtrack.jetbrains.com/issue/KT-52163) JVM IR: Double.compareTo(Int) compiled to integer comparison
- [`KT-41980`](https://youtrack.jetbrains.com/issue/KT-41980) FIR: erroneous scope during annotation resolve
- [`KT-47159`](https://youtrack.jetbrains.com/issue/KT-47159) `KtPsiUtils.areParenthesesUseless()` is returning a false positive on expressions for interface delegation
- [`KT-51418`](https://youtrack.jetbrains.com/issue/KT-51418) Substitute anonymous type's supertypes
- [`KT-35544`](https://youtrack.jetbrains.com/issue/KT-35544) kotlin.TypeCastException has no message on Native
- [`KT-52386`](https://youtrack.jetbrains.com/issue/KT-52386) StackOverflowError during Kotlin/Native gradle build
- [`KT-52592`](https://youtrack.jetbrains.com/issue/KT-52592) NPE from KProperty.getExtensionDelegate on property delegated to another property
- [`KT-52551`](https://youtrack.jetbrains.com/issue/KT-52551) Delegating to object property reference does not invoke object's initializer
- [`KT-51704`](https://youtrack.jetbrains.com/issue/KT-51704) Contracts: "AssertionError: Arguments and parameters size mismatch" with companion object
- [`KT-25527`](https://youtrack.jetbrains.com/issue/KT-25527) False positive UNUSED_VALUE for delegated property/variable
- [`KT-51002`](https://youtrack.jetbrains.com/issue/KT-51002) [FIR] Hidden declaration hides visible one
- [`KT-51008`](https://youtrack.jetbrains.com/issue/KT-51008) [FIR] Star import does not work for nested calssifiers of java class
- [`KT-52407`](https://youtrack.jetbrains.com/issue/KT-52407) FIR: Star import has lower priority than built-in import
- [`KT-52431`](https://youtrack.jetbrains.com/issue/KT-52431) Reported error instead of warning due to empty intersection type found
- [`KT-49394`](https://youtrack.jetbrains.com/issue/KT-49394) Bad message and suggestion: The feature "unit conversion" is disabled
- [`KT-51168`](https://youtrack.jetbrains.com/issue/KT-51168) FIR: Inference error with Java interop and captured types
- [`KT-49961`](https://youtrack.jetbrains.com/issue/KT-49961) "AssertionError: Left expression was not processed: BINARY_EXPRESSION" when analyzing dangling [bracketed] expression inside elvis
- [`KT-50108`](https://youtrack.jetbrains.com/issue/KT-50108) Difference in fun interface conversion behavior for uninitialized not-null function values
- [`KT-51889`](https://youtrack.jetbrains.com/issue/KT-51889) Calls to super-classes constructors with context receivers fail on runtime
- [`KT-51228`](https://youtrack.jetbrains.com/issue/KT-51228) [FIR] Unresolved reference on callable reference on implicit `this` with smartcast
- [`KT-52364`](https://youtrack.jetbrains.com/issue/KT-52364) False positive for INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION
- [`KT-52237`](https://youtrack.jetbrains.com/issue/KT-52237) JVM / IR: "IllegalArgumentException: No argument for parameter VALUE_PARAMETER CONTINUATION_CLASS" when implementing Map interface on class with suspending functions
- [`KT-50832`](https://youtrack.jetbrains.com/issue/KT-50832) Method references to suspend inline functions are processed incorrectly
- [`KT-52194`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-47203) JVM Debugger: Parameter value doesn't change for tailrec function
- [`KT-52131`](https://youtrack.jetbrains.com/issue/KT-52131) False positive variable unused warning when calling inline function in finally block
- [`KT-51738`](https://youtrack.jetbrains.com/issue/KT-51738) Debugger: stepping over in inline function with multiple inline lambda invocations is incorrect
- [`KT-52198`](https://youtrack.jetbrains.com/issue/KT-52198) Losing reference to the value of an outer variable (Ref$ObjectRef) when using suspend inline with suspendCancellableCoroutine
- [`KT-50994`](https://youtrack.jetbrains.com/issue/KT-50994) FIR: AssertionError during inference of delegated properties with implicit types
- [`KT-51757`](https://youtrack.jetbrains.com/issue/KT-51757) FIR does not see various JS/Native specific declarations in common modules
- [`KT-51201`](https://youtrack.jetbrains.com/issue/KT-51201) FIR: ARGUMENT_TYPE_MISMATCH diagnostic contains generic parameter instead of the actual type
- [`KT-48444`](https://youtrack.jetbrains.com/issue/KT-48444) FIR: type argument rejected for annotation
- [`KT-51754`](https://youtrack.jetbrains.com/issue/KT-51754) JVM: Local variable table invalid for do-while with continue
- [`KT-51936`](https://youtrack.jetbrains.com/issue/KT-51936) Breakpoint not hit on last line of suspend function on Android
- [`KT-27333`](https://youtrack.jetbrains.com/issue/KT-27333) Forbid `@Synchronized` annotation on suspend functions
- [`KT-51530`](https://youtrack.jetbrains.com/issue/KT-51530) "StackOverflowError: CoroutineTransformerMethodVisitor.spillVariables" with data class in Flow
- [`KT-51460`](https://youtrack.jetbrains.com/issue/KT-51460) FIR: Protected property inaccessible from inner class
- [`KT-53947`](https://youtrack.jetbrains.com/issue/KT-53947) IllegalStateException: No mapping for symbol: VALUE_PARAMETER INSTANCE_RECEIVER
- [`KT-51234`](https://youtrack.jetbrains.com/issue/KT-51234) Context receivers can be duplicated in function declaration
- [`KT-51576`](https://youtrack.jetbrains.com/issue/KT-51576) Context receivers: "AssertionError: Callers must check that current token is IDENTIFIER followed with '@'" with `at` character
- [`KT-49479`](https://youtrack.jetbrains.com/issue/KT-49479) JVM / IR: "IllegalStateException: IrErrorType" during IR lowering with non-trivial recursion calls
- [`KT-52270`](https://youtrack.jetbrains.com/issue/KT-52270) NullPointerException caused by braces on if-else returning a method reference inside lambda
- [`KT-47621`](https://youtrack.jetbrains.com/issue/KT-47621) False negative INVISIBLE_MEMBER on call to inaccessible protected synthetic property setter
- [`KT-37796`](https://youtrack.jetbrains.com/issue/KT-37796) NI: "ISE: Error type encountered" when inferring type of a property that delegates to itself
- [`KT-45430`](https://youtrack.jetbrains.com/issue/KT-45430) PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression: toString()" with recursive function call in "also" block in nontrivial context
- [`KT-52691`](https://youtrack.jetbrains.com/issue/KT-52691) K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImpl with intertwined functional interfaces
- [`KT-52822`](https://youtrack.jetbrains.com/issue/KT-52822) Fix contract for KtElement.getReference()
- [`KT-50223`](https://youtrack.jetbrains.com/issue/KT-50223) IndexOutOfBoundsException from `ClassicTypeSystemContext$DefaultImpls.getParameter` during call resolution
- [`KT-51963`](https://youtrack.jetbrains.com/issue/KT-51963) Change Maven version to 1.7.255
- [`KT-47664`](https://youtrack.jetbrains.com/issue/KT-47664) Incorrect type checking in the case of generic types
- [`KT-48765`](https://youtrack.jetbrains.com/issue/KT-48765) NI: Inferred type does not respect the bound of type variable
- [`KT-51243`](https://youtrack.jetbrains.com/issue/KT-51243) False positive error "No required context receiver" inside contextual lambda
- [`KT-43541`](https://youtrack.jetbrains.com/issue/KT-43541) TYPE_MISMATCH for member function which is not occur for top level function during unsafe cast
- [`KT-51016`](https://youtrack.jetbrains.com/issue/KT-51016) [FIR] False positive OVERLOAD_RESOLUTION_AMBIGUITY between two extensions on different supertypes
- [`KT-50155`](https://youtrack.jetbrains.com/issue/KT-50155) FIR: support contextual receivers
- [`KT-38637`](https://youtrack.jetbrains.com/issue/KT-38637) Catch NoSuchFieldException in optimized when expression over enum

### Docs & Examples

- [`KT-49896`](https://youtrack.jetbrains.com/issue/KT-49896) Kotlin/JS: improve `-Xir-property-lazy-initialization` description due to making it true by default

### IDE

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

### IDE. FIR

- [`KT-52360`](https://youtrack.jetbrains.com/issue/KT-52360) FIR IDE: Make the fix of `isInheritor` method better
- [`KT-51786`](https://youtrack.jetbrains.com/issue/KT-51786) FIR IDE: IllegalStateException exception in Inspections' infrastructure
- [`KT-52331`](https://youtrack.jetbrains.com/issue/KT-52331) Analysis API: ArrayIndexOutOfBoundsException exception in Diagnostics' infrastructure


### IDE. Code Style, Formatting

- [`KTIJ-21346`](https://youtrack.jetbrains.com/issue/KTIJ-21346) Incorrect formatting for functions with context receivers and visibility modifiers

### IDE. Completion

- [`KTIJ-21910`](https://youtrack.jetbrains.com/issue/KTIJ-21910) FIR IDE: Fix completion tests started failing after visibility checker refinement

### IDE. Decompiler, Indexing, Stubs

- [`KTIJ-21243`](https://youtrack.jetbrains.com/issue/KTIJ-21243) ContextReceivers: "UpToDateStubIndexMismatch: PSI and index do not match" plugin exception on library with context receivers usage attempt

### IDE. Gradle Integration

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

### IDE. Inspections and Intentions

- [`KTIJ-22540`](https://youtrack.jetbrains.com/issue/KTIJ-22540) Invalid "remove unnecessary parentheses" when delegating a functional interface to a SAM in brackets

### IDE. J2K

- [`KTIJ-21665`](https://youtrack.jetbrains.com/issue/KTIJ-21665) J2K generates non compiling code when lifting `return` and one branch is broken before binary operator

### IDE. JS

- [`KTIJ-22337`](https://youtrack.jetbrains.com/issue/KTIJ-22337) Wizard: Kotlin/Js for browser: cssSupport DSL should be updated

### IDE. K2

- [`KTIJ-21672`](https://youtrack.jetbrains.com/issue/KTIJ-21672) FIR IDE: Method reference on generic class breaks resolve
- [`KTIJ-21714`](https://youtrack.jetbrains.com/issue/KTIJ-21714) FIR IDE: Inherently imported type from another module is not properly resolved

### IDE. Script

- [`KT-52525`](https://youtrack.jetbrains.com/issue/KT-52525) Update scripts handling in source roots


### IDE. Misc

- [`KTIJ-21699`](https://youtrack.jetbrains.com/issue/KTIJ-21699) Refactoring: move out parts of the plugin useful for both FE10 and K2

### JavaScript

#### New Features

- [`KT-39423`](https://youtrack.jetbrains.com/issue/KT-39423) KJS: Optionally generate a method to handle optional parameters for function in typescript
- [`KT-42282`](https://youtrack.jetbrains.com/issue/KT-42282) KJS IR: add an ability to run separate tests

#### Performance Improvements

- [`KT-50270`](https://youtrack.jetbrains.com/issue/KT-50270) KJS IR: Unnecessary getter and setter calls when accessing class members

#### Fixes

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

### Language Design

- [`KT-47986`](https://youtrack.jetbrains.com/issue/KT-47986) Implicit inferring a type variable into an upper bound in the builder inference context
- [`KT-49264`](https://youtrack.jetbrains.com/issue/KT-49264) Deprecate infix function calls of functions named "suspend" with dangling function literal
- [`KT-25636`](https://youtrack.jetbrains.com/issue/KT-25636) Native: Object is frozen by default problem
- [`KT-49303`](https://youtrack.jetbrains.com/issue/KT-49303) Implement support for basic compile-time evaluation

### Libraries

- [`KT-52932`](https://youtrack.jetbrains.com/issue/KT-52932) Open-ended ranges in the standard library
- [`KT-52910`](https://youtrack.jetbrains.com/issue/KT-52910) Provide visit extension functions for java.nio.file.Path
- [`KT-48232`](https://youtrack.jetbrains.com/issue/KT-48232) Multiplatform function for computing cubic root
- [`KT-52778`](https://youtrack.jetbrains.com/issue/KT-52778) The documentation for the `Duration` does not indicate any differences from the ISO-8601
- [`KT-52618`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-53346) MPP project with kotlinx-serialization-json:1.4.0-RC is not built


### Native. C Export

- [`KT-45468`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-53373) Native: @ExportObjCClass doesn't work with the new memory manager
- [`KT-49034`](https://youtrack.jetbrains.com/issue/KT-49034) Kotlin/Native: `cnames.structs.Foo` resolves into wrong declaration
- [`KT-26478`](https://youtrack.jetbrains.com/issue/KT-26478) Objective-C object's class name is null in ClassCastException's message

### Native. ObjC Export

- [`KT-51593`](https://youtrack.jetbrains.com/issue/KT-51593) Include more information in Objective-C header documentation
- [`KT-33117`](https://youtrack.jetbrains.com/issue/KT-33117) Improve customizing Info.plist in produced frameworks
- [`KT-52681`](https://youtrack.jetbrains.com/issue/KT-52681) Native: `@end;` for Objective-C is generated with an unnecessary semicolon

### Native. Platforms

- [`KT-52226`](https://youtrack.jetbrains.com/issue/KT-52226) Kotlin/Native: Add support for cross-compilation of MIPS targets from macOS and Windows hosts

### Native. Runtime

- [`KT-52430`](https://youtrack.jetbrains.com/issue/KT-52430) KMM 1.6.21 framework built with Xcode13, new MM GC Can't support iOS 9.x
- [`KT-53534`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-52692) Kotlin/Native: fix tests with aggressive GC
- [`KT-52130`](https://youtrack.jetbrains.com/issue/KT-52130) Kotlin/Native: use Xallocator for Kotlin objects only
- [`KT-51436`](https://youtrack.jetbrains.com/issue/KT-51436) Kotlin/Native: optimize mark queue

### Reflection

- [`KT-51804`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-52465) CLI: IllegalStateException IrSimpleFunctionPublicSymbolImpl when source root is duplicated
- [`KT-52380`](https://youtrack.jetbrains.com/issue/KT-52380) Invalid path to compiler plugins should be reported as a compiler error
- [`KT-51025`](https://youtrack.jetbrains.com/issue/KT-51025) JVM CLI compiler takes class file from classpath instead of input java source file
- [`KT-51846`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-52486) [K2] Looking for function/constructor whose parameters are annotated or meta annotated
- [`KT-52872`](https://youtrack.jetbrains.com/issue/KT-52872) Mark supportsK2 in ComponentRegistrar.kt as JvmDefault to avoid compatibility problems
- [`KT-52804`](https://youtrack.jetbrains.com/issue/KT-52804) A function obtained by Fir IrBuiltins has an incorrect package
- [`KT-52468`](https://youtrack.jetbrains.com/issue/KT-52468) Rename module and jar for lombok compiler plugin

### Tools. Gradle

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


### Tools. Gradle. Cocoapods

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

### Tools. Gradle. JS

- [`KT-52637`](https://youtrack.jetbrains.com/issue/KT-52637) KJS / Gradle: Add SCSS webpack config
- [`KT-51527`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-51532) Kotlin/JS: passing environment variable via Gradle script causes "Execution optimizations have been disabled" warnings
- [`KT-52221`](https://youtrack.jetbrains.com/issue/KT-52221) Kotlin/JS: failed Node tests are not reported in a standard way

### Tools. Gradle. Multiplatform

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

### Tools. Gradle. Native

- [`KT-52632`](https://youtrack.jetbrains.com/issue/KT-52632) Gradle / Native: commonizeNativeDistributionTask can never be up-to-date
- [`KT-52328`](https://youtrack.jetbrains.com/issue/KT-52328) "ld: framework not found SQLCipher" linkDebugTestIosSimulatorArm64 error

### Tools. Incremental Compile

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

### Tools. JPS

- [`KT-47824`](https://youtrack.jetbrains.com/issue/KT-47824) 'when expression must be exhaustive' isn't thrown during incremental compilation
- [`KT-51873`](https://youtrack.jetbrains.com/issue/KT-51873) JPS build is incorrect after gdw build
- [`KTIJ-17072`](https://youtrack.jetbrains.com/issue/KTIJ-17072) JPS does not rebuild Kotlin usages of declared in Java when enum entry is added
- [`KT-51537`](https://youtrack.jetbrains.com/issue/KT-51537) Rebuild module on plugin classpaths change

### Tools. REPL

- [`KT-45065`](https://youtrack.jetbrains.com/issue/KT-45065) REPL: Incorrect output for unsigned value
- [`KT-53043`](https://youtrack.jetbrains.com/issue/KT-53043) Scripting: Changes in REPL protocol: mark end of errors

### Tools. Scripts

- [`KT-52598`](https://youtrack.jetbrains.com/issue/KT-52598) Scripts and REPL snippets are not checked against using 'kotlin' package
- [`KT-47187`](https://youtrack.jetbrains.com/issue/KT-47187) Kotlin ScriptEngine Failes to Compile a Trivial Statement After Failing to Compile a Broken One
- [`KT-47191`](https://youtrack.jetbrains.com/issue/KT-47191) [Kotlin Script Engine] Compiling Without Evaluating Leaves Engine in a Bad State

### Tools. Kapt

- [`KT-52761`](https://youtrack.jetbrains.com/issue/KT-52761) Kotlin 1.7.0 breaks kapt processing for protobuf generated java sources

## 1.7.10

### Compiler

- [`KT-52702`](https://youtrack.jetbrains.com/issue/KT-52702) Invalid locals information when compiling `kotlinx.collections.immutable` with Kotlin 1.7.0-RC2
- [`KT-52892`](https://youtrack.jetbrains.com/issue/KT-52892) Disappeared specific builder inference resolution ambiguity errors
- [`KT-52782`](https://youtrack.jetbrains.com/issue/KT-52782) Appeared receiver type mismatch error due to ProperTypeInferenceConstraintsProcessing compiler feature
- [`KT-52718`](https://youtrack.jetbrains.com/issue/KT-52718) declaringClass deprecation message mentions the wrong replacement in 1.7

### IDE

#### Fixes

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

### IDE. Code Style, Formatting

- [`KTIJ-20554`](https://youtrack.jetbrains.com/issue/KTIJ-20554) Introduce some code style for definitely non-null types

### IDE. Completion

- [`KTIJ-14740`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KTIJ-21472) "java.lang.IllegalStateException: Could not read file" exception on indexing invalid class file
- [`KTIJ-20802`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KTIJ-20971) FIR IDE: "Parameter Info" shows parameters of uncallable methods
- [`KTIJ-21021`](https://youtrack.jetbrains.com/issue/KTIJ-21021) FIR IDE: Completion of extension function does not work on nullable receiver
- [`KTIJ-21343`](https://youtrack.jetbrains.com/issue/KTIJ-21343) FIR IDE: Navigation from explicit invoke call does not work
- [`KTIJ-21013`](https://youtrack.jetbrains.com/issue/KTIJ-21013) FIR IDE: Inconsistent smartcasts highlighting
- [`KTIJ-21374`](https://youtrack.jetbrains.com/issue/KTIJ-21374) FIR IDE: Incorrect highlighting for operators
- [`KTIJ-20443`](https://youtrack.jetbrains.com/issue/KTIJ-20443) FIR IDE: Work in Dumb mode
- [`KTIJ-20852`](https://youtrack.jetbrains.com/issue/KTIJ-20852) FIR IDE: Exception when checking `isInheritor` on two classes in different modules
- [`KTIJ-20637`](https://youtrack.jetbrains.com/issue/KTIJ-20637) FIR IDE: Strange exception while commenting-uncommenting FirReferenceResolveHelper.kt

### IDE. Gradle Integration

- [`KTIJ-21807`](https://youtrack.jetbrains.com/issue/KTIJ-21807) Gradle to IDEA import: language and API version settings are not imported for Native facet
- [`KTIJ-21692`](https://youtrack.jetbrains.com/issue/KTIJ-21692) Kotlin Import Test maintenance: 1.7.0-Beta
- [`KTIJ-20567`](https://youtrack.jetbrains.com/issue/KTIJ-20567) Kotlin/JS: Gradle import into IDEA creates no proper sub-modules, source sets, facets

### IDE. Hints. Inlay

- [`KTIJ-20552`](https://youtrack.jetbrains.com/issue/KTIJ-20552) Support definitely non-null types in inlay hints

### IDE. Inspections and Intentions

#### New Features

- [`KTIJ-18979`](https://youtrack.jetbrains.com/issue/KTIJ-18979) Quickfix for INTEGER_OPERATOR_RESOLVE_WILL_CHANGE to add explicit conversion call
- [`KTIJ-19950`](https://youtrack.jetbrains.com/issue/KTIJ-19950) Provide quickfixes for `INVALID_IF_AS_EXPRESSION_WARNING` and `NO_ELSE_IN_WHEN_WARNING`
- [`KTIJ-19866`](https://youtrack.jetbrains.com/issue/KTIJ-19866) Create quick-fix for effective visibility error on private-in-file interface exposing private class
- [`KTIJ-19939`](https://youtrack.jetbrains.com/issue/KTIJ-19939) Provide quickfix for deprecated confusing expressions in when branches

#### Fixes

- [`KTIJ-20705`](https://youtrack.jetbrains.com/issue/KTIJ-20705) Register quickfix for `NO_CONSTRUCTOR_WARNING` diagnostic
- [`KTIJ-21226`](https://youtrack.jetbrains.com/issue/KTIJ-21226) "Remove else branch" quick fix is not suggested
- [`KTIJ-20981`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KTIJ-20953) Add quickfix for OVERRIDE_DEPRECATION warning to 1.7 - 1.9 migration
- [`KTIJ-20734`](https://youtrack.jetbrains.com/issue/KTIJ-20734) Replace with [@JvmInline] value quick fix should be appliable on a whole project
- [`KTIJ-21420`](https://youtrack.jetbrains.com/issue/KTIJ-21420) Add 'else' branch quick fix suggestion is displayed twice in case 'if' isn't completed
- [`KTIJ-21192`](https://youtrack.jetbrains.com/issue/KTIJ-21192) "Make protected" intention is redundant for interface properties
- [`KTIJ-18120`](https://youtrack.jetbrains.com/issue/KTIJ-18120) "Make public" intention does not add explicit "public" modifier when using ExplicitApi Strict mode
- [`KTIJ-20493`](https://youtrack.jetbrains.com/issue/KTIJ-20493) "Create expect" quick fix doesn't warn about platform-specific annotations

### IDE. Misc

- [`KTIJ-21582`](https://youtrack.jetbrains.com/issue/KTIJ-21582) Notification for Kotlin EAP survey

### IDE. Native

- [`KTIJ-21602`](https://youtrack.jetbrains.com/issue/KTIJ-21602) With Native Debugging Support plugin Gradle run configurations can't be executed from IDEA: LLDB_NATVIS_RENDERERS_ENABLED

### IDE. Wizards

- [`KTIJ-20919`](https://youtrack.jetbrains.com/issue/KTIJ-20919) Update ktor-html-builder dependency in kotlin wizards
- [`KTIJ-20962`](https://youtrack.jetbrains.com/issue/KTIJ-20962) Wizard: Invalid Ktor imports

### Tools. Gradle

- [`KT-52777`](https://youtrack.jetbrains.com/issue/KT-52777) 'org.jetbrains.kotlinx:atomicfu:1.7.0' Gradle 7.0+ plugin variant was published with missing classes

### Tools. Gradle. JS

- [`KT-52856`](https://youtrack.jetbrains.com/issue/KT-52856) Kotlin/JS: Upgrade NPM dependencies

### Tools. Gradle. Multiplatform

- [`KT-52955`](https://youtrack.jetbrains.com/issue/KT-52955) SourceSetMetadataStorageForIde: Broken 'cleanupStaleEntries' with enabled configuration caching or isolated ClassLoaders
- [`KT-52694`](https://youtrack.jetbrains.com/issue/KT-52694) Kotlin 1.7.0 breaks Configuration Caching in Android projects

### Tools. Incremental Compile

- [`KT-52669`](https://youtrack.jetbrains.com/issue/KT-52669) Full rebuild in IC exception recovery leaves corrupt IC data

### Tools. JPS

- [`KTIJ-17280`](https://youtrack.jetbrains.com/issue/KTIJ-17280) JPS: don't use java.io.File.createTempFile as it is not working sometimes
- [`KTIJ-20954`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-50864) Analysis API: ISE: "KtCallElement should always resolve to a KtCallInfo" is thrown on call resolution inside plusAssign target
- [`KT-50252`](https://youtrack.jetbrains.com/issue/KT-50252) Analysis API: Implement FirModuleResolveStates for libraries
- [`KT-50862`](https://youtrack.jetbrains.com/issue/KT-50862) Analsysis API: do not create use site subsitution override symbols

### Analysis API. FIR Low Level API

- [`KT-50729`](https://youtrack.jetbrains.com/issue/KT-50729) Type bound is not fully resolved
- [`KT-50728`](https://youtrack.jetbrains.com/issue/KT-50728) Lazy resolve of extension function from 'kotlin' package breaks over unresolved type
- [`KT-50271`](https://youtrack.jetbrains.com/issue/KT-50271) Analysis API: get rid of using FirRefWithValidityCheck

### Backend. Native. Debug

- [`KT-50558`](https://youtrack.jetbrains.com/issue/KT-50558) K/N Debugger. Error is not displayed in variables view for catch block

### Compiler

#### New Features

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

#### Performance Improvements

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

#### Fixes

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

### Docs & Examples

- [`KT-52032`](https://youtrack.jetbrains.com/issue/KT-52032) Document performance optimizations of the Kotlin/JVM compiler in 1.7.0
- [`KT-49424`](https://youtrack.jetbrains.com/issue/KT-49424) Update KEEP for OptIn

### IDE

#### Fixes

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

### IDE. Code Style, Formatting

- [`KTIJ-20554`](https://youtrack.jetbrains.com/issue/KTIJ-20554) Introduce some code style for definitely non-null types

### IDE. Completion

- [`KTIJ-14740`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KTIJ-21472) "java.lang.IllegalStateException: Could not read file" exception on indexing invalid class file
- [`KTIJ-20802`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-51248) Function and parameter names with special symbols have to backticked

### IDE. FIR

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

### IDE. Gradle Integration

- [`KTIJ-21807`](https://youtrack.jetbrains.com/issue/KTIJ-21807) Gradle to IDEA import: language and API version settings are not imported for Native facet
- [`KTIJ-21692`](https://youtrack.jetbrains.com/issue/KTIJ-21692) Kotlin Import Test maintenance: 1.7.0-Beta
- [`KTIJ-20567`](https://youtrack.jetbrains.com/issue/KTIJ-20567) Kotlin/JS: Gradle import into IDEA creates no proper sub-modules, source sets, facets

### IDE. Hints. Inlay

- [`KTIJ-20552`](https://youtrack.jetbrains.com/issue/KTIJ-20552) Support definitely non-null types in inlay hints

### IDE. Inspections and Intentions

#### New Features

- [`KTIJ-18979`](https://youtrack.jetbrains.com/issue/KTIJ-18979) Quickfix for INTEGER_OPERATOR_RESOLVE_WILL_CHANGE to add explicit conversion call
- [`KTIJ-19950`](https://youtrack.jetbrains.com/issue/KTIJ-19950) Provide quickfixes for `INVALID_IF_AS_EXPRESSION_WARNING` and `NO_ELSE_IN_WHEN_WARNING`
- [`KTIJ-19866`](https://youtrack.jetbrains.com/issue/KTIJ-19866) Create quick-fix for effective visibility error on private-in-file interface exposing private class
- [`KTIJ-19939`](https://youtrack.jetbrains.com/issue/KTIJ-19939) Provide quickfix for deprecated confusing expressions in when branches

#### Fixes

- [`KTIJ-20705`](https://youtrack.jetbrains.com/issue/KTIJ-20705) Register quickfix for `NO_CONSTRUCTOR_WARNING` diagnostic
- [`KTIJ-21226`](https://youtrack.jetbrains.com/issue/KTIJ-21226) "Remove else branch" quick fix is not suggested
- [`KTIJ-20981`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KTIJ-20953) Add quickfix for OVERRIDE_DEPRECATION warning to 1.7 - 1.9 migration
- [`KTIJ-20734`](https://youtrack.jetbrains.com/issue/KTIJ-20734) Replace with [@JvmInline] value quick fix should be appliable on a whole project
- [`KTIJ-21420`](https://youtrack.jetbrains.com/issue/KTIJ-21420) Add 'else' branch quick fix suggestion is displayed twice in case 'if' isn't completed
- [`KTIJ-21192`](https://youtrack.jetbrains.com/issue/KTIJ-21192) "Make protected" intention is redundant for interface properties
- [`KTIJ-18120`](https://youtrack.jetbrains.com/issue/KTIJ-18120) "Make public" intention does not add explicit "public" modifier when using ExplicitApi Strict mode
- [`KTIJ-20493`](https://youtrack.jetbrains.com/issue/KTIJ-20493) "Create expect" quick fix doesn't warn about platform-specific annotations

### IDE. Misc

- [`KTIJ-21582`](https://youtrack.jetbrains.com/issue/KTIJ-21582) Notification for Kotlin EAP survey

### IDE. Multiplatform

- [`KT-49523`](https://youtrack.jetbrains.com/issue/KT-49523) Improve environment setup experience for KMM projects
- [`KT-50952`](https://youtrack.jetbrains.com/issue/KT-50952) MPP: Commonized cinterops doesn't attach/detach to source set on configuration changes

### IDE. Native

- [`KT-44329`](https://youtrack.jetbrains.com/issue/KT-44329) Improve UX of using Native libraries in Kotlin
- [`KTIJ-21602`](https://youtrack.jetbrains.com/issue/KTIJ-21602) With Native Debugging Support plugin Gradle run configurations can't be executed from IDEA: LLDB_NATVIS_RENDERERS_ENABLED

### IDE. Wizards

- [`KTIJ-20919`](https://youtrack.jetbrains.com/issue/KTIJ-20919) Update ktor-html-builder dependency in kotlin wizards
- [`KTIJ-20962`](https://youtrack.jetbrains.com/issue/KTIJ-20962) Wizard: Invalid Ktor imports

### JavaScript

#### New Features

- [`KT-51735`](https://youtrack.jetbrains.com/issue/KT-51735) KJS / IR: Minimize member names in production mode

#### Performance Improvements

- [`KT-51127`](https://youtrack.jetbrains.com/issue/KT-51127) Kotlin/JS - IR generates plenty of useless `Unit_getInstance()`
- [`KT-50212`](https://youtrack.jetbrains.com/issue/KT-50212) KJS IR: Upcast should be a no-op
- [`KT-16974`](https://youtrack.jetbrains.com/issue/KT-16974) JS: Kotlin.charArrayOf is suboptimal due to Rhino bugs

#### Fixes

- [`KT-44319`](https://youtrack.jetbrains.com/issue/KT-44319) JS IR BE: Add an ability to generate separate JS files for each module
- [`KT-52518`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-52010) K/JS IR: both flows execute when using elvis operator
- [`KT-41096`](https://youtrack.jetbrains.com/issue/KT-41096) KJS IR: @JsExport should use original js name for external declarations
- [`KT-52144`](https://youtrack.jetbrains.com/issue/KT-52144) KJS / IR: Missing property definitions for interfaced defined properties
- [`KT-52252`](https://youtrack.jetbrains.com/issue/KT-52252) KJS / IR: overridden properties are undefined/null
- [`KT-51973`](https://youtrack.jetbrains.com/issue/KT-51973) KJS / IR overridden properties of inherited interface missing
- [`KT-51125`](https://youtrack.jetbrains.com/issue/KT-51125) Provide a way to use `import` keyword in `js` expressions
- [`KT-40888`](https://youtrack.jetbrains.com/issue/KT-40888) KJS / IR: Missing methods are no longer generated (polyfills)
- [`KT-50504`](https://youtrack.jetbrains.com/issue/KT-50504) KJS / IR: Transpiled JS incorrectly uses the unscrambled names of internal fields
- [`KT-51853`](https://youtrack.jetbrains.com/issue/KT-51853) JS compilation fails with "Uninitialized fast cache info" error
- [`KT-51205`](https://youtrack.jetbrains.com/issue/KT-51205) K/JS IR: external class is mapped to any
- [`KT-50806`](https://youtrack.jetbrains.com/issue/KT-50806) Typescript definitions contain invalid nested block comments with generic parent and type argument without `@JsExport`
- [`KT-51841`](https://youtrack.jetbrains.com/issue/KT-51841) KJS / IR: No flat hash for FUN FAKE_OVERRIDE with kotlin.incremental.js.ir=true
- [`KT-51081`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-51084) KJS / IR + IC: Cache invalidation doesn't check generic inline functions reified qualifier
- [`KT-51211`](https://youtrack.jetbrains.com/issue/KT-51211) K/JS IR: JsExport:  Can't export nested enum
- [`KT-51438`](https://youtrack.jetbrains.com/issue/KT-51438) KJS / IR: Duplicated import names for the same external names
- [`KT-51238`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-50674) KJS / IR: JS code cannot modify local variable
- [`KT-50953`](https://youtrack.jetbrains.com/issue/KT-50953) KJS IR: Incorrect nested commenting in d.ts
- [`KT-15223`](https://youtrack.jetbrains.com/issue/KT-15223) JS: function that overrides external function with `vararg` parameter is translated incorrectly
- [`KT-50657`](https://youtrack.jetbrains.com/issue/KT-50657) KJS / IR 1.6.20-M1-39 - Date in Kotlin JS cannot be created from long.

### Language Design

#### New Features

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

#### Fixes

- [`KT-12380`](https://youtrack.jetbrains.com/issue/KT-12380) Support sealed (exhaustive) whens
- [`KT-27750`](https://youtrack.jetbrains.com/issue/KT-27750) Reverse reservation of 'yield' as keyword
- [`KT-22956`](https://youtrack.jetbrains.com/issue/KT-22956) Release OptIn annotations
- [`KT-44866`](https://youtrack.jetbrains.com/issue/KT-44866) Change behavior of private constructors of sealed classes
- [`KT-49110`](https://youtrack.jetbrains.com/issue/KT-49110) Prohibit access to members of companion of enum class from initializers of entries of this enum
- [`KT-29405`](https://youtrack.jetbrains.com/issue/KT-29405) Switch default JVM target version to 1.8

### Libraries

#### New Features

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

#### Performance Improvements

- [`KT-42178`](https://youtrack.jetbrains.com/issue/KT-42178) Range and Progression should override last()

#### Fixes

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

### Native

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

### Native. Build Infrastructure

- [`KT-52259`](https://youtrack.jetbrains.com/issue/KT-52259) kotlin-native releases from GitHub don't contain platform libs

### Native. C and ObjC Import

- [`KT-49455`](https://youtrack.jetbrains.com/issue/KT-49455) Methods from Swift extensions are not resolved in Kotlin shared module
- [`KT-50648`](https://youtrack.jetbrains.com/issue/KT-50648) Incorrect KMM cinterop conversion

### Native. ObjC Export

- [`KT-50982`](https://youtrack.jetbrains.com/issue/KT-50982) RuntimeAssertFailedPanic in iOS when Kotlin framework is initialized before loading
- [`KT-49937`](https://youtrack.jetbrains.com/issue/KT-49937) Kotlin/Native 1.5.31: 'runtime assert: Unexpected selector clash' when 'override fun toString(): String' is used

### Native. Platforms

- [`KT-52232`](https://youtrack.jetbrains.com/issue/KT-52232) Kotlin/Native: simplify toolchain dependency override for MinGW

### Native. Runtime

- [`KT-52365`](https://youtrack.jetbrains.com/issue/KT-52365) Kotlin/Native fails to compile projects for 32-bit targets when new memory manager is enabled

### Native. Runtime. Memory

- [`KT-48537`](https://youtrack.jetbrains.com/issue/KT-48537) Kotlin/Native: improve GC triggers in the new MM.
- [`KT-50713`](https://youtrack.jetbrains.com/issue/KT-50713) Kotlin/Native: Enable Concurrent Sweep GC by default

### Native. Stdlib

- [`KT-50312`](https://youtrack.jetbrains.com/issue/KT-50312) enhancement: kotlin native   -- add  alloc<TVarOf<T>>(T)

### Native. Testing

- [`KT-50316`](https://youtrack.jetbrains.com/issue/KT-50316) Kotlin/Native: Produce a list of available tests alongside the final artifact
- [`KT-50139`](https://youtrack.jetbrains.com/issue/KT-50139) Create tests for Enter/Leave frame optimization

### Reflection

- [`KT-27598`](https://youtrack.jetbrains.com/issue/KT-27598) "KotlinReflectionInternalError" when using `callBy` on constructor that has inline class parameters
- [`KT-31141`](https://youtrack.jetbrains.com/issue/KT-31141) IllegalArgumentException when reflectively accessing nullable property of inline class type

### Tools. CLI

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

### Tools. Commonizer

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

### Tools. Compiler Plugins

- [`KT-50992`](https://youtrack.jetbrains.com/issue/KT-50992) jvm-abi-gen breaks inline functions in inline classes with private constructors in Kotlin 1.6.20

### Tools. Daemon

- [`KT-32885`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-49227) Support Gradle plugins variants
- [`KT-50869`](https://youtrack.jetbrains.com/issue/KT-50869) Provide API that allow AGP to set up Kotlin compilation
- [`KT-48008`](https://youtrack.jetbrains.com/issue/KT-48008) Consider offering a KotlinBasePlugin
- [`KT-52030`](https://youtrack.jetbrains.com/issue/KT-52030) Provide experimental possibility to view internal information about Kotlin Compiler performance

#### Performance Improvements

- [`KT-52141`](https://youtrack.jetbrains.com/issue/KT-52141) Optimize Java class snapshotting for the `kotlin.incremental.useClasspathSnapshot` feature
- [`KT-51978`](https://youtrack.jetbrains.com/issue/KT-51978) Optimize classpath snapshot cache for the `kotlin.incremental.useClasspathSnapshot` feature
- [`KT-51326`](https://youtrack.jetbrains.com/issue/KT-51326) Kotlin-gradle-plugin performance issue with mass java SourceRoots

#### Fixes

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

### Tools. Gradle. Cocoapods

- [`KT-50622`](https://youtrack.jetbrains.com/issue/KT-50622) Cocoapods Plugin: cocoapods-generate does not work correctly with ruby 3.0.0 and higher
- [`KT-51861`](https://youtrack.jetbrains.com/issue/KT-51861) Custom binary name in CocoaPods plugin isn't respected by fatFramework task

### Tools. Gradle. JS

- [`KT-52221`](https://youtrack.jetbrains.com/issue/KT-52221) Kotlin/JS: failed Node tests are not reported in a standard way
- [`KT-51895`](https://youtrack.jetbrains.com/issue/KT-51895) K/JS: Redundant technical messages during JS tests
- [`KT-51414`](https://youtrack.jetbrains.com/issue/KT-51414) Allow set up environment variables for JS tests
- [`KT-51623`](https://youtrack.jetbrains.com/issue/KT-51623) Kotlin/JS: Mocha could not failed when external module not found
- [`KT-51503`](https://youtrack.jetbrains.com/issue/KT-51503) Update NPM dependency versions

### Tools. Gradle. Multiplatform

#### New Features

- [`KT-51386`](https://youtrack.jetbrains.com/issue/KT-51386) [KPM] IdeaKotlinProjectModelBuilder: Implement dependencies

#### Fixes

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

### Tools. Gradle. Native

- [`KT-47746`](https://youtrack.jetbrains.com/issue/KT-47746) Allow customization of the Kotlin/Native compiler download url
- [`KT-51884`](https://youtrack.jetbrains.com/issue/KT-51884) Gradle Native: "A problem occurred starting process 'command 'xcodebuild''" when building `assembleFooXCFramework` task on Linux

### Tools. Incremental Compile

- [`KT-51546`](https://youtrack.jetbrains.com/issue/KT-51546) FIR incremental compilation fails with assertion "Trying to inline an anonymous object which is not part of the public ABI"
- [`KT-49780`](https://youtrack.jetbrains.com/issue/KT-49780) IncrementalCompilerRunner bug: Outputs are deleted after successful rebuild following fallback from an exception
- [`KT-44741`](https://youtrack.jetbrains.com/issue/KT-44741) Incremental compilation: inspectClassesForKotlinIC doesn't determine changes with imported constant

### Tools. JPS

- [`KTIJ-17280`](https://youtrack.jetbrains.com/issue/KTIJ-17280) JPS: don't use java.io.File.createTempFile as it is not working sometimes
- [`KTIJ-20954`](https://youtrack.jetbrains.com/issue/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`](https://youtrack.jetbrains.com/issue/KT-49533) Make kapt work out of the box with latest JDKs
- [`KT-52284`](https://youtrack.jetbrains.com/issue/KT-52284) FIR: add error in 1.7.0 branch if run with Kapt
- [`KT-51463`](https://youtrack.jetbrains.com/issue/KT-51463) KAPT: Incremental compilation not working when rerunning unit tests
- [`KT-51132`](https://youtrack.jetbrains.com/issue/KT-51132) KAPT: Support reporting the number of generated files by each annotation processor
- [`KT-30172`](https://youtrack.jetbrains.com/issue/KT-30172) Kapt: Shutdown kotlinc gracefully in case of error in annotation processor

### Tools. Scripts

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



## Recent ChangeLogs:
### [ChangeLog-1.6.X](docs/changelogs/ChangeLog-1.6.X.md)
### [ChangeLog-1.5.X](docs/changelogs/ChangeLog-1.5.X.md)
### [ChangeLog-1.4.X](docs/changelogs/ChangeLog-1.4.X.md)
### [ChangeLog-1.3.X](docs/changelogs/ChangeLog-1.3.X.md)
### [ChangeLog-1.2.X](docs/changelogs/ChangeLog-1.2.X.md)
### [ChangeLog-1.1.X](docs/changelogs/ChangeLog-1.1.X.md)
### [ChangeLog-1.0.X](docs/changelogs/ChangeLog-1.0.X.md)