Kotlin

Changelog

Analysis API

• KT-78187 Synthetic properties not to be shown as callables
• KT-72525 K2. red code and KIWA on new-lines in guarded when conditions (with parentheses)
• KT-74246 KaVisibilityChecker.isVisible is inefficient with multiple calls on the same use-site

Analysis API. Code Compilation

• KT-78382 K2 IR lowering error when interface extends interface
• KT-73201 K2 IDE: Error while evaluating expressions with local classes
• KT-78164 Evaluator: '@JvmName' annotations are not recognized in other modules
• KT-76457 K2 IDE /

Changelog

Backend. Wasm

• KT-80106 devServer in Kotlin/Wasm overwrites defaults, causing missing static paths

Compiler

• KT-80285 IJ monorepo: broken compilation after 2.2.20-RC update
• KT-79816 Java Interfaces implemented by delegation have non-null return checks

Native. C and ObjC Import

• KT-79571 Xcode 26 beta 4: CInteropKT39120TestGenerated.testForwardEnum failed

Tools. Gradle

• KT-80172 Error message changes depending on the o

Changelog

Backend. Wasm

• KT-80018 K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit)

Compiler

• KT-79979 K2: ClassCastException when overriding extension property with delegation
• KT-79866 kotlinc 2.2.0 silently emits 'NonExistentClass' instead of reporting an error
• KT-79276 Dexing fails with "Cannot read field X because is null" with 2.2.0
• KT-79781 Missing MISSING_DEPENDENCY_CLASS when using type alias with inaccessible RHS
• KT-79547

Changelog

Compiler

• KT-79276 Dexing fails with "Cannot read field X because is null" with 2.2.0
• KT-79442 "Multiple annotations of type kotlin.coroutines.jvm.internal.DebugMetadata": 2.2.0-Beta1 generates broken code with JVM default suspend methods in interfaces
• KT-78815 Symbol not found: __ZNSt3__117bad_function_callD1Ev error on iOS 15.5 simulator in Xcode 16.3 after update to 2.2.0-Beta2
• KT-78501 K2: Missing [ABSTRACT_SUPER_CALL] diagnostics for delegated interface method leads to AssertionError: isCompiledToJvmDefault during IR lowering
• KT-78479 IR lowering failed / Unexpected null argument for composable call

Changelog

Compiler

• KT-79276 Dexing fails with "Cannot read field X because is null" with 2.2.0
• KT-79442 "Multiple annotations of type kotlin.coroutines.jvm.internal.DebugMetadata": 2.2.0-Beta1 generates broken code with JVM default suspend methods in interfaces
• KT-78815 Symbol not found: __ZNSt3__117bad_function_callD1Ev error on iOS 15.5 simulator in Xcode 16.3 after update to 2.2.0-Beta2

JavaScript

• KT-79050 KJS / IC: "Unexpected body of primary constructor for processing irClass"
• KT-79089

Changelog

Analysis API. Code Compilation

• KT-78382 K2 IR lowering error when interface extends interface
• KT-73201 K2 IDE: Error while evaluating expressions with local classes
• KT-78164 Evaluator: '@JvmName' annotations are not recognized in other modules

Analysis API. FIR

• KT-72227 SOE from recursive value class
• KT-68977 K2 IDE: Reference to companion object through typealias in a function call does not work
• KT-76490 Do not load ast during the

Changelog

Compiler

• KT-78501 K2: Missing [ABSTRACT_SUPER_CALL] diagnostics for delegated interface method leads to AssertionError: isCompiledToJvmDefault during IR lowering
• KT-78479 IR lowering failed / Unexpected null argument for composable call
• KT-76477 Kotlin/Native: fix compiler performance reporting in sources->klib and klibs->binary
• KT-78736 Missing [NOT_YET_SUPPORTED_IN_INLINE] diagnostics because of incorrect context update
• KT-77685 "IllegalArgumentException: Sequence contains more than one matching element"

Changelog

Analysis API

• KT-78187 Synthetic properties not to be shown as callables
• KT-72525 K2. red code and KIWA on new-lines in guarded when conditions (with parentheses)
• KT-61728 Analysis API: optimize AllCandidatesResolver.getAllCandidates

Analysis API. Code Compilation

• KT-76457 K2 IDE / KMP Debugger: KISEWA “Cannot compile a common source without a JVM counterpart” on evaluating inline fun from common module inside jvm
• KT-73084 K2 evaluator cannot resolve local variables standing at the

Changelog

Analysis API

• KT-73337 Migrate analysis sources to new IR parameter API
• KT-75880 K2 Mode: Typealias reference resolves to the underlying class in KMP project
• KT-74246 KaVisibilityChecker.isVisible is inefficient with multiple calls on the same use-site
• KT-57733 Analysis API: Use optimized ModuleWithDependenciesScopes in combined symbol providers
• KT-69535 Redesign 'containingSymbol'
• KT-69950 Analysis API: Introduce isSubtypeOf(ClassId)
• KT-68393 Analysis API: Rename KaClassLikeSymbol. classIdIfNonLocal to classId

Changelog

Compiler

• KT-77301 False positive Context Parameter resolution when using DslMarker

JavaScript

• KT-78073 K/JS: KProperty from local delegate changes after another delegate is invoked

Klibs

• KT-78168 K/N: "IndexOutOfBoundsException: Index 3 out of bounds for length 3" for iOS build with Kotlin 2.2.0-RC2

Changelog

Backend. Wasm

• KT-77622 K/Wasm: investigate CMP crash on mobile Safari

Compiler

• KT-77220 Annotation with EXPRESSION is not allowed on lambdas in Kotlin 2.2.0

Compose compiler

• b/420729503 Avoid copying @Deprecated annotations on Compose compiler stubs
• b/417412949 Emit fake line number for skipToGroupEnd branch

IR. Tree

• KT-77508 K/JS and K/Native CompilationException Wrong number of parameter