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class="HeaderMenu-link border-0 width-full width-lg-auto px-0 px-lg-2 py-lg-2 no-wrap d-flex flex-items-center flex-justify-between js-details-target" aria-expanded="false"> Resources <svg opacity="0.5" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-chevron-down HeaderMenu-icon ml-1"> <path d="M12.78 5.22a.749.749 0 0 1 0 1.06l-4.25 4.25a.749.749 0 0 1-1.06 0L3.22 6.28a.749.749 0 1 1 1.06-1.06L8 8.939l3.72-3.719a.749.749 0 0 1 1.06 0Z"></path> </svg> </button> <div class="HeaderMenu-dropdown dropdown-menu rounded m-0 p-0 pt-2 pt-lg-4 position-relative position-lg-absolute left-0 left-lg-n3 pb-2 pb-lg-4 d-lg-flex flex-wrap dropdown-menu-wide"> <div class="HeaderMenu-column px-lg-4 border-lg-right mb-4 mb-lg-0 pr-lg-7"> <div class="border-bottom pb-3 pb-lg-0 border-lg-bottom-0"> <span class="d-block h4 color-fg-default my-1" id="resources-topics-heading">Topics</span> <ul class="list-style-none f5" 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class="HeaderMenu-dropdown dropdown-menu rounded m-0 p-0 pt-2 pt-lg-4 position-relative position-lg-absolute left-0 left-lg-n3 pb-2 pb-lg-4 px-lg-4"> <div class="HeaderMenu-column"> <div class="border-bottom pb-3 pb-lg-0 pb-lg-3 mb-3 mb-lg-0 mb-lg-3"> <ul class="list-style-none f5" > <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description" data-analytics-event="{"location":"navbar","action":"github_sponsors","context":"open_source","tag":"link","label":"github_sponsors_link_open_source_navbar"}" href="/sponsors"> <div> <div class="color-fg-default h4">GitHub Sponsors</div> Fund open source developers </div> </a></li> </ul> </div> <div class="border-bottom pb-3 pb-lg-0 pb-lg-3 mb-3 mb-lg-0 mb-lg-3"> <ul class="list-style-none f5" > <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description" 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data-analytics-event="{"location":"navbar","action":"trending","context":"open_source","tag":"link","label":"trending_link_open_source_navbar"}" href="https://github.com/trending"> Trending </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary" data-analytics-event="{"location":"navbar","action":"collections","context":"open_source","tag":"link","label":"collections_link_open_source_navbar"}" href="https://github.com/collections"> Collections </a></li> </ul> </div> </div> </div> </li> <li class="HeaderMenu-item position-relative flex-wrap flex-justify-between flex-items-center d-block d-lg-flex flex-lg-nowrap flex-lg-items-center js-details-container js-header-menu-item"> <button type="button" class="HeaderMenu-link border-0 width-full width-lg-auto px-0 px-lg-2 py-lg-2 no-wrap d-flex flex-items-center flex-justify-between js-details-target" aria-expanded="false"> Enterprise <svg opacity="0.5" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-chevron-down HeaderMenu-icon ml-1"> <path d="M12.78 5.22a.749.749 0 0 1 0 1.06l-4.25 4.25a.749.749 0 0 1-1.06 0L3.22 6.28a.749.749 0 1 1 1.06-1.06L8 8.939l3.72-3.719a.749.749 0 0 1 1.06 0Z"></path> </svg> </button> <div class="HeaderMenu-dropdown dropdown-menu rounded m-0 p-0 pt-2 pt-lg-4 position-relative position-lg-absolute left-0 left-lg-n3 pb-2 pb-lg-4 px-lg-4"> <div class="HeaderMenu-column"> <div class="border-bottom pb-3 pb-lg-0 pb-lg-3 mb-3 mb-lg-0 mb-lg-3"> <ul class="list-style-none f5" > <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description" data-analytics-event="{"location":"navbar","action":"enterprise_platform","context":"enterprise","tag":"link","label":"enterprise_platform_link_enterprise_navbar"}" href="/enterprise"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-stack color-fg-subtle mr-3"> <path d="M11.063 1.456a1.749 1.749 0 0 1 1.874 0l8.383 5.316a1.751 1.751 0 0 1 0 2.956l-8.383 5.316a1.749 1.749 0 0 1-1.874 0L2.68 9.728a1.751 1.751 0 0 1 0-2.956Zm1.071 1.267a.25.25 0 0 0-.268 0L3.483 8.039a.25.25 0 0 0 0 .422l8.383 5.316a.25.25 0 0 0 .268 0l8.383-5.316a.25.25 0 0 0 0-.422Z"></path><path d="M1.867 12.324a.75.75 0 0 1 1.035-.232l8.964 5.685a.25.25 0 0 0 .268 0l8.964-5.685a.75.75 0 0 1 .804 1.267l-8.965 5.685a1.749 1.749 0 0 1-1.874 0l-8.965-5.685a.75.75 0 0 1-.231-1.035Z"></path><path d="M1.867 16.324a.75.75 0 0 1 1.035-.232l8.964 5.685a.25.25 0 0 0 .268 0l8.964-5.685a.75.75 0 0 1 .804 1.267l-8.965 5.685a1.749 1.749 0 0 1-1.874 0l-8.965-5.685a.75.75 0 0 1-.231-1.035Z"></path> </svg> <div> <div class="color-fg-default h4">Enterprise platform</div> AI-powered developer platform </div> </a></li> </ul> </div> <div class="border-bottom pb-3 pb-lg-0 border-bottom-0"> <span 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java.lang.ClassCastException in compiler when ::class is used</li> </ul> <h3>Libraries</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-62656" rel="nofollow"><code>KT-62656</code></a> Drop <code>@AllowDifferentMembersInActual</code> from stdlib</li> </ul> <h3>Reflection</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-47973" rel="nofollow"><code>KT-47973</code></a> Reflection: "IllegalArgumentException: argument type mismatch" when using callSuspend to call a function returning value class over primitive</li> </ul> <h3>Tools. 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class="Link--primary Link">Kotlin 1.9.20-RC</a></span> <span> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom d-none d-md-inline-block">Pre-release</span> <div class="ml-2 d-none d-md-inline"> </div> </span> </div> <div class="mt-3 ml-2 d-md-none"> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom">Pre-release</span> </div> <div class="ml-2 mt-3 d-md-none"> </div> </div> <div class="d-flex mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> </div> </div> <div data-pjax="true" data-test-selector="body-content" data-view-component="true" class="markdown-body my-3"><h2>Changelog</h2> <h3>Compiler</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-62127" rel="nofollow"><code>KT-62127</code></a> "NoSuchFieldError: TRUE$delegate" on referencing companion's variable in submodule</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62335" rel="nofollow"><code>KT-62335</code></a> Improve debuggability of code generator crashes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62263" rel="nofollow"><code>KT-62263</code></a> Turn "different expect/actual members" error into a warning</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61933" rel="nofollow"><code>KT-61933</code></a> K2: "<code>Argument type mismatch: actual type is 'Foo<kotlin/Function0<kotlin/Unit>>' but 'Foo<kotlin/coroutines/SuspendFunction0<kotlin/Unit>>' was expected</code>"</li> </ul> <h3>IDE. Multiplatform</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61686" rel="nofollow"><code>KT-61686</code></a> Check and update places in compiler and IDE where we are saying that MPP is experimental/Beta/Alpha</li> </ul> <h3>Native</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-62532" rel="nofollow"><code>KT-62532</code></a> Support Xcode 15.0 frameworks as Kotlin/Native platform libraries</li> </ul> <h3>Native. Runtime. Memory</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61914" rel="nofollow"><code>KT-61914</code></a> Kotlin/Native: massive increase in memory usage</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61741" rel="nofollow"><code>KT-61741</code></a> Kotlin/Native: tsan error in parallel mark</li> </ul> <h3>Tools. Gradle</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-62318" rel="nofollow"><code>KT-62318</code></a> Android Studio sync memory leak in 1.9.20-Beta</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61368" rel="nofollow"><code>KT-61368</code></a> Native compiler option 'module-name' isn't available within the compilerOptions extension for native target while configuring it inside compilations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61355" rel="nofollow"><code>KT-61355</code></a> freeCompilerArgs arguments and its values are passed to the compiler 5 times if added through target-level compilerOptions{} extension inside compilations</li> </ul> <h3>Tools. Gradle. Multiplatform</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-62029" rel="nofollow"><code>KT-62029</code></a> Kotlin 1.9.20-Beta fails to detect some transitive dependency references in JVM+Android source set</li> </ul> <h3>Tools. Incremental Compile</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61852" rel="nofollow"><code>KT-61852</code></a> Kotlin 1.9.20-Beta: incremental compilation fails with files outside of the project folder</li> </ul> <h3>Tools. Kapt</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-62438" rel="nofollow"><code>KT-62438</code></a> Change experimental K2 kapt diagnostic message</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61879" rel="nofollow"><code>KT-61879</code></a> K2 Kapt: java.lang.NoSuchMethodError during stub generation</li> </ul> <h3>Tools. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61973" rel="nofollow"><code>KT-61973</code></a> K/Wasm: wasmWasiNodeRun is missed</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61971" rel="nofollow"><code>KT-61971</code></a> K/Wasm: wasmWasiTest should depends on kotlinNodeJsSetup</li> </ul> <h2>Checksums</h2> <table> <thead> <tr> <th>File</th> <th>Sha256</th> </tr> </thead> <tbody> <tr> <td>kotlin-compiler-1.9.20-RC.zip</td> <td>12d0ff13c62aedeabb6e03a9619b59f8275ec9600b4de25560d5b451e1deafdf</td> </tr> <tr> <td>kotlin-native-linux-x86_64-1.9.20-RC.tar.gz</td> <td>54cbb138324cf4a9bc1133329da40d9ffdd428b9441367dca6f96e49034423fa</td> </tr> <tr> <td>kotlin-native-macos-x86_64-1.9.20-RC.tar.gz</td> <td>82e8346bbfd01d06b3630ed0370982f24ace7e7abffd53cefdf1399ceb1ca5f0</td> </tr> <tr> <td>kotlin-native-macos-aarch64-1.9.20-RC.tar.gz</td> <td>9b57d7631c879110e747eaa6da7a8819e48a191be3cb77169d0a4bfcef38bcca</td> </tr> <tr> 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data-view-component="true" class="f1 text-bold d-inline mr-3"><a href="/JetBrains/kotlin/releases/tag/v1.9.20-Beta2" data-view-component="true" class="Link--primary Link">Kotlin 1.9.20-Beta2</a></span> <span> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom d-none d-md-inline-block">Pre-release</span> <div class="ml-2 d-none d-md-inline"> </div> </span> </div> <div class="mt-3 ml-2 d-md-none"> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom">Pre-release</span> </div> <div class="ml-2 mt-3 d-md-none"> </div> </div> <div class="d-flex mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> </div> </div> <div data-pjax="true" data-test-selector="body-content" data-view-component="true" class="markdown-body my-3"><h2>Changelog</h2> <h3>Backend. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-59720" rel="nofollow"><code>KT-59720</code></a> K/Wasm: update to final opcodes</li> </ul> <h3>Compiler</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-62027" rel="nofollow"><code>KT-62027</code></a> "java.lang.IndexOutOfBoundsException: Empty list doesn't contain element at index 0" caused by ClassicExpectActualMatchingContext.kt when annotation <code>@AllowDifferentMembersInActual</code> used</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61668" rel="nofollow"><code>KT-61668</code></a> Put expect/actual diagnostics introduced in 1.9.20 release under 1.9 Language Version</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61645" rel="nofollow"><code>KT-61645</code></a> K2/KMP: Set stdlib-native before stdlib-commonMain in dependencies for shared native metadata compilation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61924" rel="nofollow"><code>KT-61924</code></a> Native: problem with abstract fake override from Any</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61725" rel="nofollow"><code>KT-61725</code></a> KMP: Annotation matching requirement for expect/actual leads to errors for annotations with <code>@OptionalExpectation</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61784" rel="nofollow"><code>KT-61784</code></a> KMP: [DEFAULT_ARGUMENTS_IN_EXPECT_WITH_ACTUAL_TYPEALIAS] checker missed for companion functions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61167" rel="nofollow"><code>KT-61167</code></a> Runtime failure: ReferenceError: MyPromise is not defined</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59094" rel="nofollow"><code>KT-59094</code></a> K2: Fix Scripting K2 tests</li> </ul> <h3>IDE. Navigation</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61894" rel="nofollow"><code>KT-61894</code></a> Navigation from java sources leads to Kotlin decompiled code in case of suspend function</li> </ul> <h3>Native. C and ObjC Import</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-56369" rel="nofollow"><code>KT-56369</code></a> Hint about "-fmodules" is not shown</li> </ul> <h3>Tools. Compiler Plugin API</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61872" rel="nofollow"><code>KT-61872</code></a> K2: Adding annotations to metadata from backend plugin doesn't work in the presence of comments on annotated declaration</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61833" rel="nofollow"><code>KT-61833</code></a> K2: annotations added via <code>addMetadataVisibleAnnotationsToElement</code> to declarations from common sourceset in MPP project are invisible</li> </ul> <h3>Tools. Gradle</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61401" rel="nofollow"><code>KT-61401</code></a> The reported language version value for KotlinNativeLink tasks in build reports and build scans is inaccurate</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61950" rel="nofollow"><code>KT-61950</code></a> K/Wasm: Add warning about changed sourceSets</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61895" rel="nofollow"><code>KT-61895</code></a> KotlinTopLevelExtension.useCompilerVersion is not marked as experimental</li> </ul> <h3>Tools. Gradle. Multiplatform</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-59042" rel="nofollow"><code>KT-59042</code></a> "Cannot build 'KotlinProjectStructureMetadata' during project configuration phase" when configuration cache enabled</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61652" rel="nofollow"><code>KT-61652</code></a> MPP ConcurrentModificationException on transformCommonMainDependenciesMetadata</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61622" rel="nofollow"><code>KT-61622</code></a> Upgrading to Kotlin 1.9 prevents commonMain sourceset classes from being processed by kapt/ksp (dagger/Hilt)</li> </ul> <h3>Tools. Gradle. Native</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61700" rel="nofollow"><code>KT-61700</code></a> Native: linkDebugExecutableNative has duplicated freeCompilerArgs</li> </ul> <h3>Tools. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61971" rel="nofollow"><code>KT-61971</code></a> K/Wasm: wasmWasiTest should depends on kotlinNodeJsSetup</li> </ul> <h2>Checksums</h2> <table> <thead> <tr> <th>File</th> <th>Sha256</th> </tr> </thead> <tbody> <tr> <td>kotlin-compiler-1.9.20-Beta2.zip</td> <td>2ec2dd53daae4acc1fd04fe95d42332e21a350a6f3384c63a18b079e90ab5576</td> </tr> <tr> <td>kotlin-native-linux-x86_64-1.9.20-Beta2.tar.gz</td> <td>f51bca5632e60910fb5fb8a3c08bf29c0e56fa413efd43944dd7b8e80f2fb8db</td> </tr> <tr> <td>kotlin-native-macos-x86_64-1.9.20-Beta2.tar.gz</td> <td>13a7ed1505e751860516b6729bba533861ad5d640bac1864702b5b098157e4b8</td> </tr> <tr> <td>kotlin-native-macos-aarch64-1.9.20-Beta2.tar.gz</td> <td>4f7b4096bfe0245be3ed18d73fb3c8f8f9687444852e7397c0329dc9a0b516e9</td> </tr> <tr> <td>kotlin-native-windows-x86_64-1.9.20-Beta2.zip</td> <td>d2ac8d34bd0e4ef651969e3db9c65c9f9ed7db23a3b66f4d2f8f1aefc0120cb1</td> </tr> </tbody> </table></div> </div> 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data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> <span data-view-component="true" class="f1 text-bold d-inline mr-3"><a href="/JetBrains/kotlin/releases/tag/v1.9.20-Beta" data-view-component="true" class="Link--primary Link">Kotlin 1.9.20-Beta</a></span> <span> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom d-none d-md-inline-block">Pre-release</span> <div class="ml-2 d-none d-md-inline"> </div> </span> </div> <div class="mt-3 ml-2 d-md-none"> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom">Pre-release</span> </div> <div class="ml-2 mt-3 d-md-none"> </div> </div> <div class="d-flex mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> </div> </div> <div data-pjax="true" data-test-selector="body-content" data-view-component="true" class="markdown-body my-3"><h2>Changelog</h2> <h3>Analysis API</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58834" rel="nofollow"><code>KT-58834</code></a> Analysis API: Add source shadowing feature to resolve extensions</li> </ul> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57515" rel="nofollow"><code>KT-57515</code></a> LL FIR: Performance bottleneck in <code>CompositeModificationTracker.getModificationCount</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59266" rel="nofollow"><code>KT-59266</code></a> K2: optimize FirElementBuilder.getOrBuildFir for elements outside body</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59454" rel="nofollow"><code>KT-59454</code></a> K2: drop resolve from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59453" rel="nofollow"><code>KT-59453</code></a> K2: completion regression from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59189" rel="nofollow"><code>KT-59189</code></a> Analysis API: KtFirKDocReference.resolveToSymbols is slow</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58125" rel="nofollow"><code>KT-58125</code></a> K2: LL FIR: <code>KtToFirMapping.getElement</code> is slow for <code>KtUserType</code>s due to on-air resolution of types</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-60940" rel="nofollow"><code>KT-60940</code></a> K2: Analysis API: Reference shortener incorrectly handles types in vararg parameters declarations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61026" rel="nofollow"><code>KT-61026</code></a> K2 Scripts: FirLazyExpression should be calculated before accessing from on-air resolve</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61009" rel="nofollow"><code>KT-61009</code></a> K2 Scripts: KtFirExpressionTypeProvider: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource </li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60357" rel="nofollow"><code>KT-60357</code></a> K2 IDE. Reified types parameters are not resolved in a function body</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60954" rel="nofollow"><code>KT-60954</code></a> K2: Analysis API: Reference shortener does not work correctly with variable assignments</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60317" rel="nofollow"><code>KT-60317</code></a> K2 IDE. IAE "This method will only work on compiled declarations, but this declaration is not compiled" on invoking Find Usages for enum method in library</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60728" rel="nofollow"><code>KT-60728</code></a> K2: proper support for scripts in LL FIR transformers</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60706" rel="nofollow"><code>KT-60706</code></a> K2 IDE: FirJvmTypeMapper is not found for kotlin.kotlin-stdlib-common</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57743" rel="nofollow"><code>KT-57743</code></a> K2 IDE: StackOverflowError from LLFirSessionCache for simple JPS project with cyclic dependencies</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60552" rel="nofollow"><code>KT-60552</code></a> K2: merge StateKeeper and lazy body calculator for ANNOTATIONS_ARGUMENTS_MAPPING transformer</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60641" rel="nofollow"><code>KT-60641</code></a> Analysis API: Scope for class org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl not found exception when stdlib is missing</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60586" rel="nofollow"><code>KT-60586</code></a> K2: forbid analyze from write action</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60638" rel="nofollow"><code>KT-60638</code></a> K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirImplicitTypeRefImplWithoutSource </li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54846" rel="nofollow"><code>KT-54846</code></a> Analysis API: add isExpect/isActual to KtSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59077" rel="nofollow"><code>KT-59077</code></a> KtFirExpressionTypeProvider behaviour for KtSimpleNameReferences in function calls</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60448" rel="nofollow"><code>KT-60448</code></a> FirLazyResolveContractViolationException: <code>lazyResolveToPhase(COMPILER_REQUIRED_ANNOTATIONS)</code> cannot be called from a transformer with a phase COMPILER_REQUIRED_ANNOTATIONS from AllOpen plugin</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59342" rel="nofollow"><code>KT-59342</code></a> K2 IDE. FirLazyResolveContractViolationException: <code>lazyResolveToPhase(TYPES)</code> cannot be called from a transformer with a phase TYPES</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59687" rel="nofollow"><code>KT-59687</code></a> K2: Implement proper body update for in-block modifications</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60488" rel="nofollow"><code>KT-60488</code></a> Analysis API: forbid providing custom KtLifetimeToken for every analyze call</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59329" rel="nofollow"><code>KT-59329</code></a> Resolve Extensions reference resolution breaks Find Usages</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60295" rel="nofollow"><code>KT-60295</code></a> K2: move checkIsResolved for annotations from LLFirAnnotationArgumentsLazyResolver to LLFirTypeLazyResolver</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59758" rel="nofollow"><code>KT-59758</code></a> K2: Expected is FirResolvedTypeRef, but was FirImplicitTypeRefImplWithoutSource from ReturnTypeCalculatorWithJump</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60377" rel="nofollow"><code>KT-60377</code></a> K2 IDE: This method will only work on compiled declarations, but this declaration is not compiled</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59685" rel="nofollow"><code>KT-59685</code></a> K2: rewrite on-air resolution</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59159" rel="nofollow"><code>KT-59159</code></a> K2 IDE: declaration is not found exception</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59297" rel="nofollow"><code>KT-59297</code></a> K2: exception from body resolve leads to corrupted state and broken analysis</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60132" rel="nofollow"><code>KT-60132</code></a> K2: properties and functions without a name should be re-analyzable as well</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59199" rel="nofollow"><code>KT-59199</code></a> K2 IDE: PSI changes which do not cause OOB modifications can be unseen from the FIR elements</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59667" rel="nofollow"><code>KT-59667</code></a> Analysis API: PsiInvalidElementAccessException from JavaClassifierTypeImpl.substitutor</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59705" rel="nofollow"><code>KT-59705</code></a> KotlinExceptionWithAttachments: No fir element was found for getter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59697" rel="nofollow"><code>KT-59697</code></a> AA standalone: JRT module paths are not properly populated in Windows</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59505" rel="nofollow"><code>KT-59505</code></a> K2: implicit type lazy resolution doesn't work for delegated declaration from other module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56426" rel="nofollow"><code>KT-56426</code></a> K2 IDE: Typealised functional types cannot be rendered</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59598" rel="nofollow"><code>KT-59598</code></a> AA: stackoverflow while simplifying a type with a recursive type parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58497" rel="nofollow"><code>KT-58497</code></a> K2: Expected FirResolvedTypeRef for initializer type of FirPropertyImpl(Source) but FirImplicitTypeRefImplWithoutSource found</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59511" rel="nofollow"><code>KT-59511</code></a> AA standalone mode creates Application Environment for tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58161" rel="nofollow"><code>KT-58161</code></a> Analysis API: Make methods in <code>KtCallResolverMixIn</code> more distinctive based on their receiver/return type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59093" rel="nofollow"><code>KT-59093</code></a> Do not throw exception on KtCall resolution, <code>KtCallElement.resolveCall</code> should return <code>null</code> on unknown cases</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59240" rel="nofollow"><code>KT-59240</code></a> K2: FirLazyResolveContractViolationException: <code>lazyResolveToPhase(IMPORTS)</code> cannot be called from a transformer with a phase IMPORTS from superTypes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59243" rel="nofollow"><code>KT-59243</code></a> K2: FirLazyResolveContractViolationException: <code>lazyResolveToPhase(IMPORTS)</code> cannot be called from a transformer with a phase IMPORTS from permits types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58194" rel="nofollow"><code>KT-58194</code></a> K2: Low Level API: use smart pointers to store references to PSI from FIR declarations for JavaElement</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59133" rel="nofollow"><code>KT-59133</code></a> K2: java.lang.IllegalStateException: Fir is not initialized for FirRegularClassSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58174" rel="nofollow"><code>KT-58174</code></a> K2: LL FIR: Invalid type reference for T & Any type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-52615" rel="nofollow"><code>KT-52615</code></a> LL FIR: build RAW FIR only by stubs</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55053" rel="nofollow"><code>KT-55053</code></a> K2: Exception "lateinit property diagnostic has not been initialized" in FirBuilder</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58580" rel="nofollow"><code>KT-58580</code></a> K2: LL FIR: Declarations provided by resolve extensions from a dependency module are not visible through <code>LLFirCombinedKotlinSymbolProvider</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58992" rel="nofollow"><code>KT-58992</code></a> Analysis API: move org.jetbrains.kotlin.analysis.api.fir.utils.addImportToFile out of Analysis API</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58727" rel="nofollow"><code>KT-58727</code></a> K2: AA FIR: implicit type in delegated function treated as error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58653" rel="nofollow"><code>KT-58653</code></a> K2: Analysis API: add functions for KtScope members access by name</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57559" rel="nofollow"><code>KT-57559</code></a> K2 IDE: KotlinExceptionWithAttachments: Modules are inconsistent on intellij project</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58262" rel="nofollow"><code>KT-58262</code></a> Analysis API: Declarations from Analysis API Resolve Extensions are not seen from completion</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57455" rel="nofollow"><code>KT-57455</code></a> LL FIR: Combine <code>AbstractFirDeserializedSymbolProvider</code>s in session dependencies (optimization)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57207" rel="nofollow"><code>KT-57207</code></a> LL FIR: Combine <code>JavaSymbolProvider</code>s in session dependencies (optimization)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58546" rel="nofollow"><code>KT-58546</code></a> K2: LL FIR: support name collision in a designation path</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58495" rel="nofollow"><code>KT-58495</code></a> K2: Lazy calculation is redundant</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58500" rel="nofollow"><code>KT-58500</code></a> K2: null cannot be cast to non-null type org.jetbrains.kotlin.fir.FirPureAbstractElement</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58493" rel="nofollow"><code>KT-58493</code></a> K2: Expected FirResolvedTypeRef for default value type of FirValueParameterImpl(Source) but FirUserTypeRefImpl found</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58496" rel="nofollow"><code>KT-58496</code></a> K2: Expected FirNamedReference, FirErrorNamedReference or FirFromMissingDependenciesNamedReference, b...</li> </ul></div> <a href="/JetBrains/kotlin/releases/tag/v1.9.20-Beta" data-view-component="true" class="Link">Read more</a> </div> <div data-view-component="true" class="Box-footer"> <div class="mb-3"> <details data-view-component="true"> <summary role="button" data-view-component="true"> <span data-view-component="true" class="f3 text-bold d-inline mr-3">Assets</span> <span title="14" data-view-component="true" class="Counter ml-1">14</span> </summary> <div data-view-component="true"> <include-fragment loading="lazy" src="https://github.com/JetBrains/kotlin/releases/expanded_assets/v1.9.20-Beta" > <span data-view-component="true"> <svg style="box-sizing: content-box; color: var(--color-icon-primary);" width="32" height="32" viewBox="0 0 16 16" fill="none" aria-hidden="true" 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class="Box-body"> <div class="d-flex flex-md-row flex-column"> <div class="d-flex flex-row flex-1 mb-3 wb-break-word"> <div class="flex-1" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> <span data-view-component="true" class="f1 text-bold d-inline mr-3"><a href="/JetBrains/kotlin/releases/tag/v1.9.10" data-view-component="true" class="Link--primary Link">Kotlin 1.9.10</a></span> <span> <div class="ml-2 d-none d-md-inline"> </div> </span> </div> <div class="mt-3 ml-2 d-md-none"> </div> <div class="ml-2 mt-3 d-md-none"> </div> </div> <div class="d-flex mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> </div> </div> <div data-pjax="true" data-test-selector="body-content" data-view-component="true" class="markdown-body my-3"><h2>Changelog</h2> <h3>Compiler</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-60769" rel="nofollow"><code>KT-60769</code></a> Partially revert KT-58371</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60659" rel="nofollow"><code>KT-60659</code></a> Incorrect 'unresolved reference: addFirst' error with JDK 21</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60371" rel="nofollow"><code>KT-60371</code></a> Native custom allocator link error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60986" rel="nofollow"><code>KT-60986</code></a> Native: static caches with custom runtime options are broken on Linux</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60770" rel="nofollow"><code>KT-60770</code></a> Fix false-positive ABSTRACT_MEMBER_NOT_IMPLEMENTED on toArray with JDK 21</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60231" rel="nofollow"><code>KT-60231</code></a> NoClassDefFoundError: $$$$$NON_LOCAL_RETURN$$$$$ after upgrade to Kotlin 1.9.0</li> </ul> <h3>JavaScript</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-60785" rel="nofollow"><code>KT-60785</code></a> KJS: Destructured value class in suspend function fails with Uncaught TypeError: can't convert to primitive type error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60852" rel="nofollow"><code>KT-60852</code></a> Kotlin JS(IR): IllegalArgumentException: Cross module dependency resolution failed when updating to Kotlin 1.9.0</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57509" rel="nofollow"><code>KT-57509</code></a> KJS: Compiler generates native JS operator == for comparing values with Any type</li> </ul> <h3>Native</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-60230" rel="nofollow"><code>KT-60230</code></a> Native: "unknown options: -ios_simulator_version_min -sdk_version" with Xcode 15 beta 3</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60758" rel="nofollow"><code>KT-60758</code></a> Native: Building for 'iOS-simulator', but linking in dylib built for 'iOS' in Xcode 15 beta 4</li> </ul> <h3>Native. C and ObjC Import</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-59167" rel="nofollow"><code>KT-59167</code></a> Native: cinterop is unable to build interop libraries against the Xcode 15 Beta 1</li> </ul> <h3>Tools. Gradle</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61147" rel="nofollow"><code>KT-61147</code></a> Kotlin Compiler 1.9.0 bundles a stripped unshadowed version of Gson</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60543" rel="nofollow"><code>KT-60543</code></a> NoClassDefFoundError for com/gradle/scan/plugin/BuildScanExtension</li> </ul> <h2>Checksums</h2> <table> <thead> <tr> <th>File</th> <th>Sha256</th> </tr> </thead> <tbody> <tr> <td>kotlin-compiler-1.9.10.zip</td> <td>7d74863deecf8e0f28ea54c3735feab003d0eac67e8d3a791254b16889c20342</td> </tr> <tr> <td>kotlin-native-linux-x86_64-1.9.10.tar.gz</td> <td>1db3679919f4449514e9d82451e7dfa73558ac9bc80b82579cd74d452c8faa5b</td> </tr> <tr> <td>kotlin-native-macos-x86_64-1.9.10.tar.gz</td> <td>f5650f2560438a692803d8fe07124529c19f1972f84fe09cfa2329b93f43828d</td> </tr> <tr> <td>kotlin-native-macos-aarch64-1.9.10.tar.gz</td> <td>d2cf5a484ac0808ab29fd3f6099df7c07330f81f3cbab949947e42e36138c3de</td> </tr> <tr> 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data-view-component="true" class="Box-body"> <div class="d-flex flex-md-row flex-column"> <div class="d-flex flex-row flex-1 mb-3 wb-break-word"> <div class="flex-1" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> <span data-view-component="true" class="f1 text-bold d-inline mr-3"><a href="/JetBrains/kotlin/releases/tag/v1.9.0" data-view-component="true" class="Link--primary Link">Kotlin 1.9.0</a></span> <span> <div class="ml-2 d-none d-md-inline"> </div> </span> </div> <div class="mt-3 ml-2 d-md-none"> </div> <div class="ml-2 mt-3 d-md-none"> </div> </div> <div class="d-flex mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> </div> </div> <div data-pjax="true" data-test-selector="body-content" data-view-component="true" class="markdown-body my-3"><h2>Changelog</h2> <h3>Analysis API</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57930" rel="nofollow"><code>KT-57930</code></a> Analysis API: provide an API for extending Kotlin resolution</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57636" rel="nofollow"><code>KT-57636</code></a> K2: Add the return type of K2 reference shortener AA <code>ShortenCommand::invokeShortening()</code> e.g., <code>ShorteningResultInfo</code> to allow callers to access the shortening result PSI</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58249" rel="nofollow"><code>KT-58249</code></a> Analysis API: Disable error logging for FE10 implementation of resolveCall when resolve is not successful</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55626" rel="nofollow"><code>KT-55626</code></a> Impossible to restore symbol by psi from script file</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57314" rel="nofollow"><code>KT-57314</code></a> LL FIR: Combine <code>LLFirProvider$SymbolProvider</code>s in session dependencies (optimization)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55527" rel="nofollow"><code>KT-55527</code></a> K2 IDE: Rewrite KtScopeContext class to allow to handle each scope separately</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55329" rel="nofollow"><code>KT-55329</code></a> LL FIR: Unexpected ACTUAL_WITHOUT_EXPECT error on constructor and function declaration</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-50732" rel="nofollow"><code>KT-50732</code></a> LL API: fix compiler based tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57850" rel="nofollow"><code>KT-57850</code></a> K2: contract violation due to SymbolLightAccessorMethod.propertyAccessorSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56543" rel="nofollow"><code>KT-56543</code></a> LL FIR: rework lazy transformers so transformers modify only declarations they suppose to</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56721" rel="nofollow"><code>KT-56721</code></a> K2: FirExtensionDeclarationsSymbolProvider: java.lang.IllegalStateException: Recursive update</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-50253" rel="nofollow"><code>KT-50253</code></a> Analysis API: Solve issues with ProcessCancelledException</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56800" rel="nofollow"><code>KT-56800</code></a> K2 IDE: optimize deprecation calculation for symbols</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55006" rel="nofollow"><code>KT-55006</code></a> Analysis API does not transform Java type refs for callable symbol return types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57256" rel="nofollow"><code>KT-57256</code></a> AA FIR: Reduce lazy resolve phase for deprecation status</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57619" rel="nofollow"><code>KT-57619</code></a> K2: CFG for class initializer is not correctly built in reversed resolve mode</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58141" rel="nofollow"><code>KT-58141</code></a> K2: AA FIR: impossible to restore symbol for declaration with annotation with argument inside type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57462" rel="nofollow"><code>KT-57462</code></a> Symbol Light Classes: SymbolLightFieldForProperty should retrieve annotations not from KtPropertySymbol, but from the corresponding backing field</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54864" rel="nofollow"><code>KT-54864</code></a> Analysis API: add function to get expect KtSymbol list by actual KtSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56763" rel="nofollow"><code>KT-56763</code></a> Analysis API: <code>.KtSourceModuleImpl is missing in the map.</code> on symbol restore when symbol cannot be seen from the use-site module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56617" rel="nofollow"><code>KT-56617</code></a> Analysis API: optimize KtFirSymbolProviderByJavaPsi.getNamedClassSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54430" rel="nofollow"><code>KT-54430</code></a> K2: .getAllOverriddenSymbols() returns invalid results</li> </ul> <h3>Backend. Native. Debug</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-55440" rel="nofollow"><code>KT-55440</code></a> Kotlin/Native debugger: inline function parameters are not visible during debugging</li> </ul> <h3>Backend. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58293" rel="nofollow"><code>KT-58293</code></a> Wasm: ReferenceError: e is not defined in kotlin.test.jsThrow</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58931" rel="nofollow"><code>KT-58931</code></a> Wasm tests are failing to start on Kotlin 1.9.0-Beta</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58188" rel="nofollow"><code>KT-58188</code></a> Restore binary compatibility of PlatformDiagnosticSuppressor.shouldReportUnusedParameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57136" rel="nofollow"><code>KT-57136</code></a> K/Wasm: Restrict non-external types in JS interop</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57060" rel="nofollow"><code>KT-57060</code></a> Clarify the lack of support for dynamic in Kotlin/Wasm</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56955" rel="nofollow"><code>KT-56955</code></a> K/Wasm: Support restricted version of K/JS <code>js(code)</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57276" rel="nofollow"><code>KT-57276</code></a> Wasm: "Body not found for function" error when compiling konform library with Kotlin/Wasm support</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56976" rel="nofollow"><code>KT-56976</code></a> K/Wasm bug with calling override of external function with default parameters</li> </ul> <h3>Compiler</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-55333" rel="nofollow"><code>KT-55333</code></a> Allow secondary constructors in value classes with bodies</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54944" rel="nofollow"><code>KT-54944</code></a> <code>@Volatile</code> support in native</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54746" rel="nofollow"><code>KT-54746</code></a> Deprecate with ERROR JvmDefault annotation and old -Xjvm-default modes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-47902" rel="nofollow"><code>KT-47902</code></a> Do not propagate method deprecation through overrides</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-29378" rel="nofollow"><code>KT-29378</code></a> K2: rework warnings/errors for equality/identity operators on incompatible types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57477" rel="nofollow"><code>KT-57477</code></a> False-positive overload resolution ambiguity in case of lambda without arguments</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57010" rel="nofollow"><code>KT-57010</code></a> Kotlin/Native: make it possible to compile bitcode in a separate compiler invocation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55691" rel="nofollow"><code>KT-55691</code></a> K2: Avoid inferring Nothing? in presence of other constraints (beside type parameter bounds)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-46288" rel="nofollow"><code>KT-46288</code></a> Unexpected behavior of extension function on lambda with suspend receiver</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-24779" rel="nofollow"><code>KT-24779</code></a> Inconsistent smart cast behavior for bound data flow values</li> </ul> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-23397" rel="nofollow"><code>KT-23397</code></a> Optimize out field for property delegate when it's safe (JVM)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56906" rel="nofollow"><code>KT-56906</code></a> FIR: Use cached instance of FirImplicitTypeRefImpl in FIR builders</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56276" rel="nofollow"><code>KT-56276</code></a> LanguageVersion.getVersionString() allocates 5k objects on project opening</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57784" rel="nofollow"><code>KT-57784</code></a> "NullPointerException: Parameter specified as non-null is null:" with enum, companion object, 'entries' and map</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55217" rel="nofollow"><code>KT-55217</code></a> K2: support callable reference conversions on top-level expressions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57232" rel="nofollow"><code>KT-57232</code></a> K2: build Space JVM (master)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59079" rel="nofollow"><code>KT-59079</code></a> "AE: SyntheticAccessorLowering should not attempt to modify other files!" with callable reference to constructor with value class parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58837" rel="nofollow"><code>KT-58837</code></a> Partial linkage fails to report any compiler message on Windows when launched through Gradle plugin</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57602" rel="nofollow"><code>KT-57602</code></a> K2: Rework member scope of types having projection arguments for covariant parameters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55171" rel="nofollow"><code>KT-55171</code></a> Put new contracts syntax under a feature flag</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58719" rel="nofollow"><code>KT-58719</code></a> K2: false-positive INVISIBLE_REFERENCE error in case of importing an internal abstract class</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56030" rel="nofollow"><code>KT-56030</code></a> [K2/N] Support Objective-C overloading by param names only</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57510" rel="nofollow"><code>KT-57510</code></a> K2: Data class equals/hashCode/toString methods are not written to Klib metadata</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56331" rel="nofollow"><code>KT-56331</code></a> K2: compiler backend crash on usage of expected function with default arguments</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-53846" rel="nofollow"><code>KT-53846</code></a> K2 / Context receivers: ClassCastException on secondary constructor of class with context receiver</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58621" rel="nofollow"><code>KT-58621</code></a> K2: Private class shadows public function defined in the same package</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59102" rel="nofollow"><code>KT-59102</code></a> K2: constant evaluator does not provide Long type on shl</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59066" rel="nofollow"><code>KT-59066</code></a> [K2] delegation leads to "IllegalStateException: Expected some types"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56074" rel="nofollow"><code>KT-56074</code></a> K2: build Space JVM (snapshot 2022.3)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58787" rel="nofollow"><code>KT-58787</code></a> KAPT: "NullPointerException: null cannot be cast to non-null type" with delegate</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57022" rel="nofollow"><code>KT-57022</code></a> K2 IllegalStateException in signature computation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56792" rel="nofollow"><code>KT-56792</code></a> K2: build kotlinpoet</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57373" rel="nofollow"><code>KT-57373</code></a> K2: FIR properties synthesized when implementing interface by delegation don't have accessors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56583" rel="nofollow"><code>KT-56583</code></a> K1: Implement opt-in for integer cinterop conversions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59030" rel="nofollow"><code>KT-59030</code></a> [PL] Workaround for broken <code>@Deprecated</code> annotations in c-interop KLIBs</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58618" rel="nofollow"><code>KT-58618</code></a> K2: Local property 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wb-break-word"> <div class="flex-1" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> <span data-view-component="true" class="f1 text-bold d-inline mr-3"><a href="/JetBrains/kotlin/releases/tag/v1.9.0-RC" data-view-component="true" class="Link--primary Link">Kotlin 1.9.0-RC</a></span> <span> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom d-none d-md-inline-block">Pre-release</span> <div class="ml-2 d-none d-md-inline"> </div> </span> </div> <div class="mt-3 ml-2 d-md-none"> <span data-view-component="true" class="Label Label--warning Label--large v-align-text-bottom">Pre-release</span> </div> <div class="ml-2 mt-3 d-md-none"> </div> </div> <div class="d-flex mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> </div> </div> <div data-pjax="true" data-test-selector="body-content" data-view-component="true" class="markdown-body my-3"><h2>Changelog</h2> <h3>Backend. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58188" rel="nofollow"><code>KT-58188</code></a> Restore binary compatibility of PlatformDiagnosticSuppressor.shouldReportUnusedParameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58293" rel="nofollow"><code>KT-58293</code></a> Wasm: ReferenceError: e is not defined in kotlin.test.jsThrow</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58931" rel="nofollow"><code>KT-58931</code></a> Wasm tests are failing to start on Kotlin 1.9.0-Beta</li> </ul> <h3>Compiler</h3> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58621" rel="nofollow"><code>KT-58621</code></a> K2: Private class shadows public function defined in the same package</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59102" rel="nofollow"><code>KT-59102</code></a> K2: constant evaluator does not provide Long type on shl</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59079" rel="nofollow"><code>KT-59079</code></a> "AE: SyntheticAccessorLowering should not attempt to modify other files!" with callable reference to constructor with value class parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58787" rel="nofollow"><code>KT-58787</code></a> KAPT: "NullPointerException: null cannot be cast to non-null type" with delegate</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58837" rel="nofollow"><code>KT-58837</code></a> Partial linkage fails to report any compiler message on Windows when launched through Gradle plugin</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59030" rel="nofollow"><code>KT-59030</code></a> [PL] Workaround for broken <code>@Deprecated</code> annotations in c-interop KLIBs</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58618" rel="nofollow"><code>KT-58618</code></a> K2: Local property delegates cannot infer generic return type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58897" rel="nofollow"><code>KT-58897</code></a> K2: False positive unresolved reference with same-named enum class and its entry</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56927" rel="nofollow"><code>KT-56927</code></a> Enum with secondary constructor can't be compiled with K2 using JS/Native backend</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57570" rel="nofollow"><code>KT-57570</code></a> Remove source code excerpts from platform type nullability assertion exceptions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-52774" rel="nofollow"><code>KT-52774</code></a> Resolve unqualified enum constants based on expected type</li> </ul> <h3>IDE. Gradle Integration</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-59034" rel="nofollow"><code>KT-59034</code></a> MPP build failed with "Factory type is not known for plugin variants" in kt-231-*</li> </ul> <h3>JavaScript</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58570" rel="nofollow"><code>KT-58570</code></a> KJS: ES6 classes + PL throw java.lang.NullPointerException</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58835" rel="nofollow"><code>KT-58835</code></a> K2/JS: Fix incremental compilation klib tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58794" rel="nofollow"><code>KT-58794</code></a> KJS / K2: Assertion failed with Space build</li> </ul> <h3>Libraries</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58985" rel="nofollow"><code>KT-58985</code></a> Update KClass.isData KDoc</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58276" rel="nofollow"><code>KT-58276</code></a> Deprecate redundant public declarations in kotlin.native.concurrent</li> </ul> <h3>Native. ObjC Export</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58839" rel="nofollow"><code>KT-58839</code></a> K/N: Exception during HiddenFromObjC marked class extension function compiling</li> </ul> <h3>Tools. Compiler plugins. Serialization</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58918" rel="nofollow"><code>KT-58918</code></a> Serialization: NPE at run time obtaining a serializer for a sealed class with a generic self-referencing property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58954" rel="nofollow"><code>KT-58954</code></a> Serialization: NPE at run time when accessing a delegating property of a deserialized object</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59113" rel="nofollow"><code>KT-59113</code></a> Serialization: NPE at run time when accessing a delegating property of a deserialized object</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57647" rel="nofollow"><code>KT-57647</code></a> Serialization: "IllegalAccessError: Update to static final field" caused by serializable value class</li> </ul> <h3>Tools. Gradle</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-59256" rel="nofollow"><code>KT-59256</code></a> [1.9.0-Beta] ServiceLoader does not pick up classes defined in the same project</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58662" rel="nofollow"><code>KT-58662</code></a> Gradle 8.1 + Configuration Cache: custom values data is missing from build report</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59063" rel="nofollow"><code>KT-59063</code></a> Explicit API mode broken in Kotlin 1.9.0-Beta</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59191" rel="nofollow"><code>KT-59191</code></a> Actual compilation failure exception might be hidden in the case of a Kotlin daemon crash</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59056" rel="nofollow"><code>KT-59056</code></a> FreeCompilerArgs options added using 'subprojects' extension override module-level freeCompilerArgs options</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55740" rel="nofollow"><code>KT-55740</code></a> Gradle 8: Listener registration using Gradle.addBuildListener() has been deprecated</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58251" rel="nofollow"><code>KT-58251</code></a> Build Statistics. Kotlin-specific tags are missing in build scans if projects use Gradle 8+</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58916" rel="nofollow"><code>KT-58916</code></a> [1.9.0-Beta] PLUGIN_CLASSPATH_CONFIGURATION_NAME and NATIVE_COMPILER_PLUGIN_CLASSPATH_CONFIGURATION_NAME should stay public or offer an alternative API</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58869" rel="nofollow"><code>KT-58869</code></a> K2, Gradle: Improve message "100% (2/2) tasks have compiled with Kotlin 2"</li> </ul> <h3>Tools. Gradle. JS</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-59116" rel="nofollow"><code>KT-59116</code></a> K/JS npm dependcies are not resolved properly on Kotlin 1.9</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58970" rel="nofollow"><code>KT-58970</code></a> browserTest gradle task fails if karma is used and gradle configuration cache is enabled</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59004" rel="nofollow"><code>KT-59004</code></a> Kotlin JS 1.9.0-Beta, yarn.lock is unstable in multi module project</li> </ul> <h3>Tools. Gradle. Multiplatform</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57903" rel="nofollow"><code>KT-57903</code></a> Prepare for migration to the pluggable android target plugin</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58661" rel="nofollow"><code>KT-58661</code></a> KGP: KotlinJvmTarget: Implement 'run' carrier task</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59055" rel="nofollow"><code>KT-59055</code></a> KotlinJvmRun not respecting jvmToolchain setting</li> </ul> <h3>Tools. Gradle. Native</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57823" rel="nofollow"><code>KT-57823</code></a> KotlinNativeCompileOptions.moduleName value is ignored and replaced with the default one if to set up using compilations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58838" rel="nofollow"><code>KT-58838</code></a> KGP/Multiplatform: 1.9.0-Beta with custom cinterops: IllegalStateException: Could not create domain object 'jni' (DefaultCInteropSettings)</li> </ul> <h3>Tools. Incremental Compile</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58986" rel="nofollow"><code>KT-58986</code></a> New IC: ISE "The following LookupSymbols are not yet converted to ProgramSymbols: LookupSymbol(name=$$delegatedProperties, ...)"</li> </ul> <h3>Tools. Parcelize</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-59112" rel="nofollow"><code>KT-59112</code></a> K2: "IllegalStateException: Function has no body with <code>@Parcelize</code>" on nested sealed class hierarchies</li> </ul> <h2>Checksums</h2> <table> <thead> <tr> <th>File</th> <th>Sha256</th> </tr> </thead> <tbody> <tr> <td>kotlin-compiler-1.9.0-RC.zip</td> <td>d00312caa89de1dd3f62d80d5b31724efc333101616ba4a22caf4458862315e7</td> </tr> <tr> <td>kotlin-native-linux-x86_64-1.9.0-RC.tar.gz</td> <td>2dc30ef2b73bcc561decd5efc7b78b7431cfe2fb982c471baaa6762c5022ce5a</td> </tr> <tr> <td>kotlin-native-macos-x86_64-1.9.0-RC.tar.gz</td> <td>a4b9b2dbb6793ee6857e3cbdecceb2d972aba1c1055e64bd7cce90fe0c776afc</td> </tr> <tr> <td>kotlin-native-macos-aarch64-1.9.0-RC.tar.gz</td> <td>1ca609007c2cbc587b4ce5e689064867ec18a377ce0ca24a777edf8d74cb7df9</td> </tr> <tr> <td>kotlin-native-windows-x86_64-1.9.0-RC.zip</td> 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Gradle</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58280" rel="nofollow"><code>KT-58280</code></a> org.jetbrains.kotlin.jvm Gradle plugin contributes build directories to the test compile classpath</li> </ul> <h2>Checksums</h2> <table> <thead> <tr> <th>File</th> <th>Sha256</th> </tr> </thead> <tbody> <tr> <td>kotlin-compiler-1.8.22.zip</td> <td>91f50fe25c9edfb1e79ae1fe2ede85fa4728f7f4b0587644a4eee40252cdfaa6</td> </tr> <tr> <td>kotlin-native-linux-x86_64-1.8.22.tar.gz</td> <td>a1fb41fc010b347d5d9a5449ebb48ad200c59ec2a9121b01db5165db6697e58b</td> </tr> <tr> <td>kotlin-native-macos-x86_64-1.8.22.tar.gz</td> <td>0d6e6b12569a4b8ff2f301f827192dd715a29962cc01eed05557aa8e6eb7c20d</td> </tr> <tr> <td>kotlin-native-macos-aarch64-1.8.22.tar.gz</td> <td>29805af3220eab3c163ac54f02a6097436d4ddfa83eca7815eb053517093e417</td> </tr> <tr> <td>kotlin-native-windows-x86_64-1.8.22.zip</td> <td>91b04aa9f3dc3d5968c75d8e7f163e542458867915777e995162864cc805b2e5</td> </tr> </tbody> 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Label--warning Label--large v-align-text-bottom">Pre-release</span> </div> <div class="ml-2 mt-3 d-md-none"> </div> </div> <div class="d-flex mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> </div> </div> <div data-pjax="true" data-test-selector="body-content" data-view-component="true" class="markdown-body my-3"><h2>Changelog</h2> <h3>Analysis API</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57930" rel="nofollow"><code>KT-57930</code></a> Analysis API: provide an API for extending Kotlin resolution</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57636" rel="nofollow"><code>KT-57636</code></a> K2: Add the return type of K2 reference shortener AA <code>ShortenCommand::invokeShortening()</code> e.g., <code>ShorteningResultInfo</code> to allow callers to access the shortening result PSI</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-55626" rel="nofollow"><code>KT-55626</code></a> Impossible to restore symbol by psi from script file</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57314" rel="nofollow"><code>KT-57314</code></a> LL FIR: Combine <code>LLFirProvider$SymbolProvider</code>s in session dependencies (optimization)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55527" rel="nofollow"><code>KT-55527</code></a> K2 IDE: Rewrite KtScopeContext class to allow to handle each scope separately</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55329" rel="nofollow"><code>KT-55329</code></a> LL FIR: Unexpected ACTUAL_WITHOUT_EXPECT error on constructor and function declaration</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-50732" rel="nofollow"><code>KT-50732</code></a> LL API: fix compiler based tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57850" rel="nofollow"><code>KT-57850</code></a> K2: contract violation due to SymbolLightAccessorMethod.propertyAccessorSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56543" rel="nofollow"><code>KT-56543</code></a> LL FIR: rework lazy transformers so transformers modify only declarations they suppose to</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56721" rel="nofollow"><code>KT-56721</code></a> K2: FirExtensionDeclarationsSymbolProvider: java.lang.IllegalStateException: Recursive update</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-50253" rel="nofollow"><code>KT-50253</code></a> Analysis API: Solve issues with ProcessCancelledException</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56800" rel="nofollow"><code>KT-56800</code></a> K2 IDE: optimize deprecation calculation for symbols</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55006" rel="nofollow"><code>KT-55006</code></a> Analysis API does not transform Java type refs for callable symbol return types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57256" rel="nofollow"><code>KT-57256</code></a> AA FIR: Reduce lazy resolve phase for deprecation status</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58141" rel="nofollow"><code>KT-58141</code></a> K2: AA FIR: impossible to restore symbol for declaration with annotation with argument inside type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57462" rel="nofollow"><code>KT-57462</code></a> Symbol Light Classes: SymbolLightFieldForProperty should retrieve annotations not from KtPropertySymbol, but from the corresponding backing field</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58249" rel="nofollow"><code>KT-58249</code></a> Analysis API: Disable error logging for FE10 implementation of resolveCall when resolve is not successful</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54864" rel="nofollow"><code>KT-54864</code></a> Analysis API: add function to get expect KtSymbol list by actual KtSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56763" rel="nofollow"><code>KT-56763</code></a> Analysis API: <code>.KtSourceModuleImpl is missing in the map.</code> on symbol restore when symbol cannot be seen from the use-site module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56617" rel="nofollow"><code>KT-56617</code></a> Analysis API: optimize KtFirSymbolProviderByJavaPsi.getNamedClassSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54430" rel="nofollow"><code>KT-54430</code></a> K2: .getAllOverriddenSymbols() returns invalid results</li> </ul> <h3>Backend. Native. Debug</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-55440" rel="nofollow"><code>KT-55440</code></a> Kotlin/Native debugger: inline function parameters are not visible during debugging</li> </ul> <h3>Backend. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57136" rel="nofollow"><code>KT-57136</code></a> K/Wasm: Restrict non-external types in JS interop</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57060" rel="nofollow"><code>KT-57060</code></a> Clarify the lack of support for dynamic in Kotlin/Wasm</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56955" rel="nofollow"><code>KT-56955</code></a> K/Wasm: Support restricted version of K/JS <code>js(code)</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57276" rel="nofollow"><code>KT-57276</code></a> Wasm: "Body not found for function" error when compiling konform library with Kotlin/Wasm support</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56976" rel="nofollow"><code>KT-56976</code></a> K/Wasm bug with calling override of external function with default parameters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56584" rel="nofollow"><code>KT-56584</code></a> K/Wasm: Can't link symbol class</li> </ul> <h3>Compiler</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-49276" rel="nofollow"><code>KT-49276</code></a> Warn about potential overload resolution change if Range/Progression starts implementing Collection</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55333" rel="nofollow"><code>KT-55333</code></a> Allow secondary constructors in value classes with bodies</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54944" rel="nofollow"><code>KT-54944</code></a> <code>@Volatile</code> support in native</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54746" rel="nofollow"><code>KT-54746</code></a> Deprecate with ERROR JvmDefault annotation and old -Xjvm-default modes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-29378" rel="nofollow"><code>KT-29378</code></a> K2: rework warnings/errors for equality/identity operators on incompatible types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57010" rel="nofollow"><code>KT-57010</code></a> Kotlin/Native: make it possible to compile bitcode in a separate compiler invocation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55691" rel="nofollow"><code>KT-55691</code></a> K2: Avoid inferring Nothing? in presence of other constraints (beside type parameter bounds)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-46288" rel="nofollow"><code>KT-46288</code></a> Unexpected behavior of extension function on lambda with suspend receiver</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-24779" rel="nofollow"><code>KT-24779</code></a> Inconsistent smart cast behavior for bound data flow values</li> </ul> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-56906" rel="nofollow"><code>KT-56906</code></a> FIR: Use cached instance of FirImplicitTypeRefImpl in FIR builders</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56276" rel="nofollow"><code>KT-56276</code></a> LanguageVersion.getVersionString() allocates 5k objects on project opening</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-56609" rel="nofollow"><code>KT-56609</code></a> K2: False positive NULL_FOR_NONNULL_TYPE with -Xjsr305=strict and <code>@Nullable</code> annotation Java parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56656" rel="nofollow"><code>KT-56656</code></a> K1/K2: inconsistent NOTHING_TO_OVERRIDE with complex nullable annotations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58332" rel="nofollow"><code>KT-58332</code></a> K2: local fun with suspend type is not marked as suspend in IR</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57991" rel="nofollow"><code>KT-57991</code></a> K2: Modifier 'suspend' is not applicable to 'anonymous function'</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-4113" rel="nofollow"><code>KT-4113</code></a> No smartcast for nullable lambda property (functional type) with implicit/operator <code>invoke</code> call</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54294" rel="nofollow"><code>KT-54294</code></a> K2: "Not all type variables found" in builder inference with type parameters inferred through a union of two branches</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-52597" rel="nofollow"><code>KT-52597</code></a> Provide Alpha Support for Multiplatform in the K2 platform</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58523" rel="nofollow"><code>KT-58523</code></a> K2: reference is resolved to imported type-alias instead of identically named top-level property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57098" rel="nofollow"><code>KT-57098</code></a> Native: avoid object initialization while accessing const val</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57973" rel="nofollow"><code>KT-57973</code></a> 32-th default value in inline classes override function is not used</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57714" rel="nofollow"><code>KT-57714</code></a> "IllegalStateException: <B::!>" using reified generics</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57810" rel="nofollow"><code>KT-57810</code></a> <code>toString</code> of object erroneously considered as constant function in string concatenation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58076" rel="nofollow"><code>KT-58076</code></a> K2: Incorrect inference of type of labeled receiver</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57929" rel="nofollow"><code>KT-57929</code></a> K2: Arguments of annotations are not calculated in a lot of strange locations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55388" rel="nofollow"><code>KT-55388</code></a> Consider enabling ProhibitUsingNullableTypeParameterAgainstNotNullAnnotated</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-53041" rel="nofollow"><code>KT-53041</code></a> NPE in Kotlin 1.7.0 when using RxJava Maybe.doOnEvent with anonymous parameters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54829" rel="nofollow"><code>KT-54829</code></a> Cleanup local types approximation logic</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-38871" rel="nofollow"><code>KT-38871</code></a> Kotlin Gradle DSL, MPP: UNUSED_VARIABLE when configuring a sourceset with delegated property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58587" rel="nofollow"><code>KT-58587</code></a> MUST_BE_INITIALIZED must take into account effectivelly final</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58524" rel="nofollow"><code>KT-58524</code></a> K2: false-positive overload resolution ambiguity error on invoking a generic class's member function with id-shaped function-typed parameter on intersection-typed receiver</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-53929" rel="nofollow"><code>KT-53929</code></a> Enum.entries: consider changing scope behavior in K1</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58520" rel="nofollow"><code>KT-58520</code></a> K2: FIR2IR: ISE during const evaluation of operator times with exposed</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56662" rel="nofollow"><code>KT-56662</code></a> K1: false negative INVISIBLE_SETTER for a var with internal setter accessed from a derived class</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57770" rel="nofollow"><code>KT-57770</code></a> K2: Support generation of serializer if base class for serializable class declared in different module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58375" rel="nofollow"><code>KT-58375</code></a> Kapt: "wrong number of type arguments. required 1" when more than 22 type arguments</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56077" rel="nofollow"><code>KT-56077</code></a> K2: build atomicfu</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56074" rel="nofollow"><code>KT-56074</code></a> K2: build Space JVM (snapshot 2022.3)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-48870" rel="nofollow"><code>KT-48870</code></a> [FIR] Different behavior for explicit receiver resolution inside delegated constructors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-53865" rel="nofollow"><code>KT-53865</code></a> Partial linkage: overriding function with parameter losing vararg: Native is successful, JS fails in runtime</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-53568" rel="nofollow"><code>KT-53568</code></a> Partial linkage: absent class as type parameter bound causes failure of <code>compileProductionExecutableKotlinJs</code></li> <li>[<code>KT-53608</code>](<a href="https://youtrack.jetbrains.com/iss" 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compilation of dynamic/static library fails with Xcode 14.3</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57875" rel="nofollow"><code>KT-57875</code></a> Native compilation failure: Suspend functions should be lowered out at this point, but FUN LOCAL_FUNCTION_FOR_LAMBDA</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57946" rel="nofollow"><code>KT-57946</code></a> KAPT: "RuntimeException: No type for expression" with delegate</li> </ul> <h3>JavaScript</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57356" rel="nofollow"><code>KT-57356</code></a> KJS: StackOverflowException on <code>@JsExport</code> with type parameters referring to one another</li> </ul> <h3>Tools. Commonizer</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57796" rel="nofollow"><code>KT-57796</code></a> NoSuchFileException in :module-B:commonizeCInterop with Kotlin 1.8.20</li> </ul> <h3>Tools. Compiler plugins. Serialization</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58067" rel="nofollow"><code>KT-58067</code></a> Serialization: NullPointerException caused by <code>@Contextual</code> property with type with generic</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57730" rel="nofollow"><code>KT-57730</code></a> Serialization: "IllegalStateException: Serializer for element of type .Foo has not been found" caused by serialization of Java type</li> </ul> <h3>Tools. Gradle. JS</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-57766" rel="nofollow"><code>KT-57766</code></a> KJS / Gradle "Module not found: Error: Can't resolve 'kotlin-kotlin-stdlib-js-ir'" when using "useEsModules"</li> </ul> <h3>Tools. Kapt</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58027" rel="nofollow"><code>KT-58027</code></a> Kotlin 1.8.20 kapt issue "null: KtCallExpression: build()"</li> </ul> <h3>Tools. Maven</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58048" rel="nofollow"><code>KT-58048</code></a> Maven: "Too many source module declarations found" after upgrading to 1.8.20</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58101" rel="nofollow"><code>KT-58101</code></a> 'Unable to access class' in kotlin-maven-plugin after updating to Kotlin 1.8.20</li> </ul> <h2>Checksums</h2> <table> <thead> <tr> <th>File</th> <th>Sha256</th> </tr> </thead> <tbody> <tr> <td>kotlin-compiler-1.8.21.zip</td> <td>6e43c5569ad067492d04d92c28cdf8095673699d81ce460bd7270443297e8fd7</td> </tr> <tr> <td>kotlin-native-linux-x86_64-1.8.21.tar.gz</td> <td>0fc854641dd6d88dce3cc044bb5bc99b9035480474e23541eff03771690c68cf</td> </tr> <tr> <td>kotlin-native-macos-x86_64-1.8.21.tar.gz</td> <td>e73bfdac0461ee0c84f25e61063c243bf8d4eb8e0ff5da250456d6a23c677fd6</td> </tr> <tr> <td>kotlin-native-macos-aarch64-1.8.21.tar.gz</td> 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class="octocat-spinner my-6 js-details-dialog-spinner"></div> </details-dialog> </details> </template> <div class="Popover js-hovercard-content position-absolute" style="display: none; outline: none;"> <div class="Popover-message Popover-message--bottom-left Popover-message--large Box color-shadow-large" style="width:360px;"> </div> </div> <template id="snippet-clipboard-copy-button"> <div class="zeroclipboard-container position-absolute right-0 top-0"> <clipboard-copy aria-label="Copy" class="ClipboardButton btn js-clipboard-copy m-2 p-0" data-copy-feedback="Copied!" data-tooltip-direction="w"> <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-copy js-clipboard-copy-icon m-2"> <path d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 0 1 0 1.5h-1.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-1.5a.75.75 0 0 1 1.5 0v1.5A1.75 1.75 0 0 1 9.25 16h-7.5A1.75 1.75 0 0 1 0 14.25Z"></path><path d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0 1 14.25 11h-7.5A1.75 1.75 0 0 1 5 9.25Zm1.75-.25a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Z"></path> </svg> <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-check js-clipboard-check-icon color-fg-success d-none m-2"> <path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0Z"></path> </svg> </clipboard-copy> </div> </template> <template id="snippet-clipboard-copy-button-unpositioned"> <div class="zeroclipboard-container"> <clipboard-copy aria-label="Copy" class="ClipboardButton btn btn-invisible js-clipboard-copy m-2 p-0 d-flex flex-justify-center flex-items-center" data-copy-feedback="Copied!" data-tooltip-direction="w"> <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-copy js-clipboard-copy-icon"> <path d="M0 6.75C0 5.784.784 5 1.75 5h1.5a.75.75 0 0 1 0 1.5h-1.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-1.5a.75.75 0 0 1 1.5 0v1.5A1.75 1.75 0 0 1 9.25 16h-7.5A1.75 1.75 0 0 1 0 14.25Z"></path><path d="M5 1.75C5 .784 5.784 0 6.75 0h7.5C15.216 0 16 .784 16 1.75v7.5A1.75 1.75 0 0 1 14.25 11h-7.5A1.75 1.75 0 0 1 5 9.25Zm1.75-.25a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h7.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Z"></path> </svg> <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-check js-clipboard-check-icon color-fg-success d-none"> <path d="M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0Z"></path> </svg> </clipboard-copy> </div> </template> </div> <div id="js-global-screen-reader-notice" class="sr-only mt-n1" aria-live="polite" aria-atomic="true" ></div> <div id="js-global-screen-reader-notice-assertive" class="sr-only mt-n1" aria-live="assertive" aria-atomic="true"></div> </body> </html>