Kotlin

Note: This is a technical release for IntelliJ IDEA.

Changelog

Tools. JPS

• KT-69204 Generate lookups in dumb mode for compatibility with ref index

Changelog

Apple Ecosystem

• KT-68257 Xcode incorrectly reuses embedAndSign framework when moving to and from 2.0.0

Compiler

Fixes

• KT-68521 K2: Property's private setters can be bypassed when using plusAssign and minusAssign operators
• KT-68667 K2: Compiler hangs on mapNotNull and elvis inside lambda
• KT-68747 K2: Long compilation time because of constraint solving when using typealias in different modules
• KT-68940 K2: "IllegalArgumentException: All variables should be fixe

Changelog

Analysis. API

Fixes

• KT-65417 K2 IDE: KTOR false positive expect-actual matching error on enum class because of implicit clone() in non-JVM source sets
• KT-68882 Analysis API: Refactor KaSymbols
• KT-68689 LL API: support analysis from builtins module
• KT-67775 Analysis API: expose only interfaces/abstract classes for the user surface
• KT-68009 K2: lowering transformers of Compose compiler plugin access AbstractFir2IrLazyFunction modality, which results in null point exception

Changelog

Analysis. API

New Features

• KT-68143 Analysis API: support KtWhenConditionInRange call resolution

Performance Improvements

• KT-67195 K2: do not call redundant resolve on body resolution phase for classes

Fixes

• KT-66216 K2 IDE. "FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtProperty, fir is null" on incorrect string template
• KT-53669 Analysis API: redesign KtSymbolOrigin to distinguish kotlin/java source/library declarations

Changelog

Analysis. API

New Features

• KT-65327 Support reading klib contents in Analysis API

Performance Improvements

• KT-65560 K2: Anaysis API: ContextCollector triggers redundant resolution in the case of file elements
• KT-64987 Analysis API: 50GB memory allocation on creating empty kotlinx.collections.immutable.persistentMapOf
• KT-61789 K2: optimize getFirForNonKtFileElement for references inside super type reference
• KT-59498 K2: getOnAirGetTowerContextProvider took too much time due to on air resolve
• KT-61728 Analysis API: optimize AllCandidatesRes

Changelog

Apple Ecosystem

• KT-67892 KotlinNativeLink task instantiates with a fixed list of apiFiles

Compiler

• KT-67993 K2: PCLA Inference throws exception with local objects
• KT-67912 K2: Cannot inference type properly from inline function with Type parameter
• KT-68056 Prohibit referencing java field in case of conflict with property from companion object of the derived class
• KT-67609 K2: False negative INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR
• KT-67875

Changelog

Backend. Wasm

• KT-64890 K/Wasm compiler crash with external class and Kodein

Compiler

• KT-65235 JDK 21 might lead to change in overloads resolution
• KT-66768 K1: False positive UNRESOLVED_REFERENCE in super.getFirst/getLast call

Native

• KT-67218 Native: nested classes in kx.serialization ProtoBuf produce empty array for release binary

Tools. Gradle

• KT-67139 Build reports can be overridden
• KT-67138 Json report is empty for incremental compilation

Tools. Gradle. Multiplatform

Changelog

Backend. Wasm

• KT-66515 Wasm: "call param types must match" during the build
• KT-67435 K/Wasm: import.meta.url transforming into absolute local path in webpack
• KT-66905 K/Wasm: support new version of exception handling proposal

Compiler

New Features

• KT-59688 K2: consider removing smartcasts only from the only visibile property with specific name, not from all of them

Performance Improvements

• KT-67388 FP intellij: performance de

Changelog

Analysis. API

Fixes

• KT-65616 K2: FirDeclarationStatusImpl cannot be cast to FirResolvedDeclarationStatus from STATUS
• KT-64241 K2: Unresolved calls to functions in scripts depending on included projects
• KT-65813 Analysis API Standalone: FirDeclarationForCompiledElementSearcher does not find compiled elements
• KT-66052 AA: render expect/actual modifier
• KT-66795 KtCodeFragment.clone() is broken
• KT-66532 K2 CodeGen AA: missing annotation setup for fun

Changelog

Analysis. API

New Features

• KT-65327 Support reading klib contents in Analysis API

Performance Improvements

• KT-65560 K2: Anaysis API: ContextCollector triggers redundant resolution in the case of file elements

Fixes

• KT-65571 Support VirtualFile inputs to Analysis API modules
• KT-65600 Analysis Api: FirFile for KtCodeFragments are created and not updated on changes
• KT-64579 K2 IDE: "Expected FirResolvedArgumentList for FirAnno

1.9.23

Apple Ecosystem

• KT-65542 Cinterop tasks fails if Xcode 15.3 is used

Backend. Wasm

• KT-64486 Kotlin/Wasm/WASI exported function callback for coroutines support

Compiler

• KT-53478 Could not load module
• KT-66044 JDK's new API is used over Kotlin's SDK functions
• KT-64640 Prevent mutating SequenceCollection methods from JDK 21 be available on read-only collections
• KT-65441 K1: Remove JDK 21 getFirst()/getLast() in (Mutable)List interfaces
• KT-65634 K/N: data race during monolithic cache creation