Sourced from org.jetbrains.kotlin:kotlin-bom's releases.

Kotlin 2.2.21

Changelog

Backend. Wasm

• KT-81372 K/Wasm: JsException: Exception was thrown while running JavaScript code on Safari 18.2/18.3
• KT-80018 K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit)

Compiler

• KT-81191 K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code
• KT-80936 NON_PUBLIC_CALL_FROM_PUBLIC_INLINE : @PublishedApi doesn't work for fun interfaces

JavaScript

• KT-79926 Wrong export of interfaces with companions with ES Modules
• KT-81424 Kotlin/JS: Cannot Get / in a simple running application
• KT-80873 KJS: Stdlib requires ES2020-compatible JS engine due to BigInt type literal

Native

• KT-79384 K/N: Application Not Responding: Thread Deadlock

Tools. Gradle

• KT-79047 Gradle compileKotlin fails with configuration cache
• KT-81148 Publishing helpers in KGP are incompatible with Isolated Projects
• KT-80950 KGP breaks configuration cache when signing plugin with GnuPG is applied

Tools. Gradle. Multiplatform

• KT-61127 Remove scoped resolvable and intransitive DependenciesMetadata configurations used in the pre-IdeMultiplatformImport IDE import
• KT-81249 Kotlin 2.2.20 broke KMP implementation of Parcelize

Tools. Gradle. Native

• KT-81510 commonizeCInterop exception with 'kotlinNativeBundleConfiguration' not found
• KT-81134 Native: Gradle configuration failure likely related to Klibs cross-compilation
• KT-77732 commonizeCInterop failed with "Unresolved classifier: platform/posix/size_t"
• KT-80675 Commonized cinterops between "test" compilations produce an import failure

Tools. Maven

• KT-81218 Kotlin Maven Plugin 2.2.20: Java classes not resolved with enabled incremental compilation without daemon

Tools. Wasm

• KT-80582 Multiple reloads when using webpack dev server after 2.2.20-Beta2

Kotlin 2.2.21-RC2

... (truncated)

Sourced from org.jetbrains.kotlin:kotlin-bom's changelog.

2.2.21-RC2

Tools. Gradle. Native

• KT-81134 Native: Gradle configuration failure likely related to Klibs cross-compilation
• KT-81510 commonizeCInterop exception with 'kotlinNativeBundleConfiguration' not found

2.2.21-RC

Backend. Wasm

• KT-81372 K/Wasm: JsException: Exception was thrown while running JavaScript code on Safari 18.2/18.3
• KT-80018 K/Wasm: exceptions don't work properly in JavaScriptCore (vm inside Safari, WebKit)

Compiler

• KT-81191 K2: "null cannot be cast to non-null type ConeTypeParameterLookupTag" with invalid code
• KT-80936 NON_PUBLIC_CALL_FROM_PUBLIC_INLINE : @PublishedApi doesn't work for fun interfaces

JavaScript

• KT-80873 KJS: Stdlib requires ES2020-compatible JS engine due to BigInt type literal
• KT-79926 Wrong export of interfaces with companions with ES Modules

Native

• KT-79384 K/N: Application Not Responding: Thread Deadlock

Tools. Gradle

• KT-81148 Publishing helpers in KGP are incompatible with Isolated Projects
• KT-80950 KGP breaks configuration cache when signing plugin with GnuPG is applied
• KT-79047 Gradle compileKotlin fails with configuration cache

Tools. Gradle. Multiplatform

• KT-81249 Kotlin 2.2.20 broke KMP implementation of Parcelize
• KT-61127 Remove scoped resolvable and intransitive DependenciesMetadata configurations used in the pre-IdeMultiplatformImport IDE import

Tools. Gradle. Native

• KT-77732 commonizeCInterop failed with "Unresolved classifier: platform/posix/size_t"
• KT-80675 Commonized cinterops between "test" compilations produce an import failure

Tools. Maven

• KT-81218 Kotlin Maven Plugin 2.2.20: Java classes not resolved with enabled incremental compilation without daemon

Tools. Wasm

... (truncated)

• 2146684 Add ChangeLog for 2.2.21-RC2
• d8cf44a [KGP][IT] Require Xcode 26 for shouldDownloadLightNativeBundleWithMaven
• bd2b426 [Gradle] Only register commonizeCInterop if there are native targets
• f66516e [Gradle] Added tests for accessing target's publishable property
• 7aad8e5 [Gradle] Workaround for not completable Future with cross compilation
• d061774 [Wasm, JS] Add statics field to DevServer data constructor for data class
• 0609896 Add ChangeLog for 2.2.21-RC
• 4f2bc0c [Gradle] Dont add parcelize plugin to JVM compilations
• 948802f [K/N][tests] Fixed lldb tests to work with Xcode 26
• a32c8f3 [stdlib] Add os.arch as an input property to prevent build cache reuse acro...
• Additional commits viewable in compare view

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