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Release Kotlin 2.0.20 · JetBrains/kotlin · GitHub
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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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<svg aria-label="Tag" role="img" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-tag"> <path d="M1 7.775V2.75C1 1.784 1.784 1 2.75 1h5.025c.464 0 .91.184 1.238.513l6.25 6.25a1.75 1.75 0 0 1 0 2.474l-5.026 5.026a1.75 1.75 0 0 1-2.474 0l-6.25-6.25A1.752 1.752 0 0 1 1 7.775Zm1.5 0c0 .066.026.13.073.177l6.25 6.25a.25.25 0 0 0 .354 0l5.025-5.025a.25.25 0 0 0 0-.354l-6.25-6.25a.25.25 0 0 0-.177-.073H2.75a.25.25 0 0 0-.25.25ZM6 5a1 1 0 1 1 0 2 1 1 0 0 1 0-2Z"></path> </svg> <span class="ml-1"> v2.0.20 </span> </span></a> </div> <div class="mr-4 mb-2" style="position: relative; top: 1px;"> <a data-hovercard-type="commit" data-hovercard-url="/JetBrains/kotlin/commit/6af99c83470813023dace7d3bd850c6fef8e50c0/hovercard" href="/JetBrains/kotlin/commit/6af99c83470813023dace7d3bd850c6fef8e50c0" data-view-component="true" class="Link Link--muted"> <svg aria-label="Commit" role="img" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-git-commit"> <path d="M11.93 8.5a4.002 4.002 0 0 1-7.86 0H.75a.75.75 0 0 1 0-1.5h3.32a4.002 4.002 0 0 1 7.86 0h3.32a.75.75 0 0 1 0 1.5Zm-1.43-.75a2.5 2.5 0 1 0-5 0 2.5 2.5 0 0 0 5 0Z"></path> </svg> <code class="f5 ml-1">6af99c8</code> </a> </div> </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-68143" rel="nofollow"><code>KT-68143</code></a> Analysis API: support KtWhenConditionInRange call resolution</li> </ul> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-67195" rel="nofollow"><code>KT-67195</code></a> K2: do not call redundant resolve on body resolution phase for classes</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-67360" rel="nofollow"><code>KT-67360</code></a> Analysis API: KtDestructuringDeclarationSymbol#entries shouldn't be KtLocalVariableSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67748" rel="nofollow"><code>KT-67748</code></a> K2: AllCandidatesResolver modifies the original FirDelegatedConstructorCall</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68198" rel="nofollow"><code>KT-68198</code></a> Analysis API: Support application service registration in plugin XMLs</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62936" rel="nofollow"><code>KT-62936</code></a> Analysis API: NativeForwardDeclarationsSymbolProvider is not supported for Kotlin/Native</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68689" rel="nofollow"><code>KT-68689</code></a> LL API: support analysis from builtins module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69630" rel="nofollow"><code>KT-69630</code></a> KAPT User project builds with KAPT4 enabled fail with Metaspace overflow</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65417" rel="nofollow"><code>KT-65417</code></a> K2 IDE: KTOR false positive expect-actual matching error on enum class because of implicit clone() in non-JVM source sets</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68882" rel="nofollow"><code>KT-68882</code></a> Analysis API: Refactor <code>KaSymbol</code>s</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65413" rel="nofollow"><code>KT-65413</code></a> K2 IDE: KTOR unresolved serializer() call for <code>@Serializable</code> class in common code</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67996" rel="nofollow"><code>KT-67996</code></a> Analysis API: rename Kt prefix to Ka</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67775" rel="nofollow"><code>KT-67775</code></a> Analysis API: expose only interfaces/abstract classes for the user surface</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68009" rel="nofollow"><code>KT-68009</code></a> K2: lowering transformers of Compose compiler plugin access AbstractFir2IrLazyFunction modality, which results in null point exception</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68918" rel="nofollow"><code>KT-68918</code></a> collectCallCandidates works incorrectly for parenthesis invoke</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68462" rel="nofollow"><code>KT-68462</code></a> Analysis API: Integrate <code>project-structure</code> module into <code>analysis-api</code> and <code>analysis-api-platform-interface</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69131" rel="nofollow"><code>KT-69131</code></a> AA: "provideDelegate" operator is not resolved from the delegation reference in FIR implementation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69055" rel="nofollow"><code>KT-69055</code></a> Analysis API: Stabilize <code>KaScope</code>s</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66216" rel="nofollow"><code>KT-66216</code></a> K2 IDE. "FirDeclaration was not found for class org.jetbrains.kotlin.psi.KtProperty, fir is null" on incorrect string template</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68959" rel="nofollow"><code>KT-68959</code></a> Introduce KaSeverity</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-53669" rel="nofollow"><code>KT-53669</code></a> Analysis API: redesign KtSymbolOrigin to distinguish kotlin/java source/library declarations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68846" rel="nofollow"><code>KT-68846</code></a> Mark KaFirReference and all implementations with internal modifier</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68845" rel="nofollow"><code>KT-68845</code></a> Move KaSymbolBasedReference to resolution package</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68844" rel="nofollow"><code>KT-68844</code></a> Move KaTypeProjection to types package</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65849" rel="nofollow"><code>KT-65849</code></a> K2: Rename 'high-level-api' family of JARs to 'analysis-api'</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62540" rel="nofollow"><code>KT-62540</code></a> Remove uses of TypeInfo.fromString and TypeInfo.createTypeText from Kotlin plugin</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62889" rel="nofollow"><code>KT-62889</code></a> K2 IDE. FP <code>MISSING_DEPENDENCY_CLASS</code> on not available type alias with available underlying type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68155" rel="nofollow"><code>KT-68155</code></a> Analysis API: Add PSI validity check to <code>analyze</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62343" rel="nofollow"><code>KT-62343</code></a> Analysis API: fix binary incopatibility problems cause by <code>KtAnalysisSessionProvider.analyze</code> being inline</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68498" rel="nofollow"><code>KT-68498</code></a> To get reference symbol the one should be KtSymbolBasedReference</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68393" rel="nofollow"><code>KT-68393</code></a> Analysis API: Rename <code>KaClassLikeSymbol. classIdIfNonLocal</code> to <code>classId</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62924" rel="nofollow"><code>KT-62924</code></a> Analysis API: rename KtCallableSymbol.callableIdIfNonLocal -> callableId</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66712" rel="nofollow"><code>KT-66712</code></a> K2 IDE. SOE on settings string template for string variable with the same name</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65892" rel="nofollow"><code>KT-65892</code></a> K2: "We should be able to find a symbol" for findNonLocalFunction</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68273" rel="nofollow"><code>KT-68273</code></a> AA: support <code>KtFirKDocReference#isReferenceToImportAlias</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68272" rel="nofollow"><code>KT-68272</code></a> AA: KtFirReference.isReferenceToImportAlias doesn't work for references on constructor</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66996" rel="nofollow"><code>KT-66996</code></a> Analysis API: Expose the abbreviated type of an expanded <code>KtType</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66646" rel="nofollow"><code>KT-66646</code></a> K2: Expected FirResolvedTypeRef with ConeKotlinType but was FirUserTypeRefImpl from FirJsHelpersKt.isExportedObject</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68203" rel="nofollow"><code>KT-68203</code></a> K2: Analysis API: wrong type of receiver value in case of imported object member</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68031" rel="nofollow"><code>KT-68031</code></a> LL resolve crash in case of PCLA inference with local object</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67851" rel="nofollow"><code>KT-67851</code></a> K2: <code>PsiReference#isReferenceTo</code> always returns false for references to Java getters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68076" rel="nofollow"><code>KT-68076</code></a> AA: use type code fragments for import alias detection</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65915" rel="nofollow"><code>KT-65915</code></a> K2: Analysis API: extract services registration into xml file</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68049" rel="nofollow"><code>KT-68049</code></a> Analysis API: do not expose imported symbols</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68075" rel="nofollow"><code>KT-68075</code></a> K2: Analysis API: Type arguments for delegation constructor to java constructor with type parameters not supported</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65190" rel="nofollow"><code>KT-65190</code></a> AA: reference to the super type is not resolved</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68070" rel="nofollow"><code>KT-68070</code></a> AA: KtExpressionInfoProvider#isUsedAsExpression doesn't work for KtPropertyDelegate</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67743" rel="nofollow"><code>KT-67743</code></a> K2: Stubs & AbbreviatedTypeAttribute</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67706" rel="nofollow"><code>KT-67706</code></a> K2: "KtDotQualifiedExpression is not a subtype of class KtNamedDeclaration" from UnusedChecker</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68021" rel="nofollow"><code>KT-68021</code></a> Analysis API: do not break the diagnostic collection in a case of exception from some collector</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67973" rel="nofollow"><code>KT-67973</code></a> AA FIR: wrong KtCall modeling for == from type bound</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67949" rel="nofollow"><code>KT-67949</code></a> AA: Type arguments of Java methods' calls are not reported as used by KtFirImportOptimizer</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67988" rel="nofollow"><code>KT-67988</code></a> AA: functional type at receiver position should be wrapped in parenthesis</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66536" rel="nofollow"><code>KT-66536</code></a> Analysis API: ContextCollector doesn't provide implicit receivers from FirExpressionResolutionExtension</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67321" rel="nofollow"><code>KT-67321</code></a> AA: Type arguments of Java methods' calls are not resolved</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64158" rel="nofollow"><code>KT-64158</code></a> K2: "KotlinIllegalArgumentExceptionWithAttachments: No fir element was found for KtParameter"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60344" rel="nofollow"><code>KT-60344</code></a> K2 IDE. "KotlinExceptionWithAttachments: expect <code>createKtCall</code> to succeed for resolvable case with callable symbol" on attempt to assign value to param named getParam</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64599" rel="nofollow"><code>KT-64599</code></a> K2: "expect <code>createKtCall</code> to succeed for resolvable case with callable" for unfinished if statement</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60330" rel="nofollow"><code>KT-60330</code></a> K2 IDE. ".KotlinExceptionWithAttachments: expect <code>createKtCall</code> to succeed for resolvable case with callable symbol" on attempt to assign or compare true with something</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66672" rel="nofollow"><code>KT-66672</code></a> K2 IDE. False positive INVISIBLE_REFERENCE on accessing private subclass as type argument in parent class declaration</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67750" rel="nofollow"><code>KT-67750</code></a> Analysis API: Remove <code>infix</code> modifiers from type equality and subtyping functions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67655" rel="nofollow"><code>KT-67655</code></a> Analysis API: declare a rule how to deal with parameters in KtLifetimeOwner</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61775" rel="nofollow"><code>KT-61775</code></a> Analysis API: KtKClassAnnotationValue lacks complete type information</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67168" rel="nofollow"><code>KT-67168</code></a> K2: Analysis API: Rendering is broken for JSR-305 enhanced Java types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66689" rel="nofollow"><code>KT-66689</code></a> Analysis API: KtFirPackageScope shouldn't rely on KotlinDeclarationProvider for binary dependencies in standalone mode</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60483" rel="nofollow"><code>KT-60483</code></a> Analysis API: add isTailrec property to KtFunctionSymbol</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67472" rel="nofollow"><code>KT-67472</code></a> K2: Analysis API FIR: KtFunctionCall misses argument with desugared expressions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65759" rel="nofollow"><code>KT-65759</code></a> Analysis API: Avoid hard references to <code>LLFirSession</code> in session validity trackers</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60272" rel="nofollow"><code>KT-60272</code></a> K2: Implement active invalidation of <code>KtAnalysisSession</code>s</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66765" rel="nofollow"><code>KT-66765</code></a> K2: Analysis API: support classpath substitution with library dependencies in super type transformer</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67265" rel="nofollow"><code>KT-67265</code></a> K2: status phase should resolve original declarations in the case of classpath subsitution</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67244" rel="nofollow"><code>KT-67244</code></a> K2: StackOverflowError in the case of cyclic type hierarchy and library classpath substitution</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67080" rel="nofollow"><code>KT-67080</code></a> K2: clearer contract for lazyResolveToPhaseWithCallableMembers</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66713" rel="nofollow"><code>KT-66713</code></a> K2 FIR: Expose a way to get the module name used for name mangling</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61892" rel="nofollow"><code>KT-61892</code></a> KtType#asPsiType could provide nullability annotations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66122" rel="nofollow"><code>KT-66122</code></a> Analysis API: Pass <code>KtTestModule</code> instead of <code>TestModule</code> to tests based on <code>AbstractAnalysisApiBasedTest</code></li> </ul> <h3>Analysis. Light Classes</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-65714" rel="nofollow"><code>KT-65714</code></a> K2: IDE K2: "org.jetbrains.kotlin.analysis.api.fir.symbols.pointers.KtFirClassLikeSymbolPointer pointer already disposed"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65835" rel="nofollow"><code>KT-65835</code></a> <code>SymbolLightClassForClassLike.getName</code> returns <code>null</code> for a companion object instead of <code>Companion</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68261" rel="nofollow"><code>KT-68261</code></a> SLC: Constructors of sealed classes should be private</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68696" rel="nofollow"><code>KT-68696</code></a> Drop <code>DecompiledPsiDeclarationProvider</code>-related stuff</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68404" rel="nofollow"><code>KT-68404</code></a> SLC: wrong binary resolution to declaration with <code>@JvmName</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68275" rel="nofollow"><code>KT-68275</code></a> LC: no arg constructor is not visible in light classes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66687" rel="nofollow"><code>KT-66687</code></a> Symbol Light Classes: Duplicate field names for classes with companion objects</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66804" rel="nofollow"><code>KT-66804</code></a> Symbol Light Classes: Fields from the parent interface's companion are added to DefaultImpls</li> </ul> <h3>Apple Ecosystem</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-65542" rel="nofollow"><code>KT-65542</code></a> Cinterop tasks fails if Xcode 15.3 is used</li> </ul> <h3>Backend. Native. Debug</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-67567" rel="nofollow"><code>KT-67567</code></a> Native: after updating to LLVM 16 lldb hangs when smooth stepping</li> </ul> <h3>Backend. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-70591" rel="nofollow"><code>KT-70591</code></a> To much sources that don't exist inside SourceMap file</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69529" rel="nofollow"><code>KT-69529</code></a> compileProductionExecutableKotlinWasmJs FAILED: No such value argument slot in IrConstructorCallImpl: 1 (total=1)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68088" rel="nofollow"><code>KT-68088</code></a> Wasm: "UNREACHABLE executed at Precompute.cpp:838" running gradle task wasmJsBrowserDistribution for compose multiplatform on Windows</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65798" rel="nofollow"><code>KT-65798</code></a> K/Wasm: make an error on default export usage</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68828" rel="nofollow"><code>KT-68828</code></a> Wasm test failure. expect-actual. private constructor in expect</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68453" rel="nofollow"><code>KT-68453</code></a> K/Wasm: "Supported JS engine not detected" in Web Worker</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64565" rel="nofollow"><code>KT-64565</code></a> Kotlin/wasm removeEventListener function did not remove the event listener</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65322" rel="nofollow"><code>KT-65322</code></a> [Wasm] Clean-up bootstrap code</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66099" rel="nofollow"><code>KT-66099</code></a> Wasm: local.get of type f64 has to be in the same reference type hierarchy as (ref 686) @+237036</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63230" rel="nofollow"><code>KT-63230</code></a> [WASM] <code>println(null)</code> prints 'ul'</li> </ul> <h3>Compiler</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58310" rel="nofollow"><code>KT-58310</code></a> Consider non-functional type constraints for type variable which is an expected type for lambda argument</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68969" rel="nofollow"><code>KT-68969</code></a> Consider implementing general "redundant interpolation prefix" warning</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57872" rel="nofollow"><code>KT-57872</code></a> Improve "Public-API inline function cannot access non-public-API" check</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68165" rel="nofollow"><code>KT-68165</code></a> Native: type checks on generic types boundary</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67611" rel="nofollow"><code>KT-67611</code></a> Implement improved handling of $ in literals</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67787" rel="nofollow"><code>KT-67787</code></a> Implement guard conditions for when-with-subject</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-39868" rel="nofollow"><code>KT-39868</code></a> Allow access to protected consts and fields from a super companion object</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66169" rel="nofollow"><code>KT-66169</code></a> <code>useContents</code> lacks a <code>contract</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67767" rel="nofollow"><code>KT-67767</code></a> Introduce an ability to enforce explicit return types for public declarations without enabling Explicit API mode</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65841" rel="nofollow"><code>KT-65841</code></a> Allow to actualize expect types in kotlin stdlib to builtins in JVM</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-53834" rel="nofollow"><code>KT-53834</code></a> Support for JSpecify <code>@NullUnmarked</code></li> </ul> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69995" rel="nofollow"><code>KT-69995</code></a> K2: Slow compilation when star projecting mutually recursive bounds from java</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69723" rel="nofollow"><code>KT-69723</code></a> K2: code analysis taking too long</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69898" rel="nofollow"><code>KT-69898</code></a> K2: Performance degradation in fir2ir caused by changes around intersection types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68034" rel="nofollow"><code>KT-68034</code></a> Devirtualization analysis fails to devirtualize string.get</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-67102" rel="nofollow"><code>KT-67102</code></a> IR Evaluator: NoSuchFieldException when accessing a private delegated property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-35305" rel="nofollow"><code>KT-35305</code></a> "Overload resolution ambiguity" on function for unsigned types (UByte, UShort, UInt, ULong)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69211" rel="nofollow"><code>KT-69211</code></a> K2: java.lang.IllegalArgumentException: Failed requirement</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68874" rel="nofollow"><code>KT-68874</code></a> Types with different captured types as type arguments are rendered incorrectly</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66086" rel="nofollow"><code>KT-66086</code></a> K/N: Unchecked illegal cast is not thrown</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-70186" rel="nofollow"><code>KT-70186</code></a> Kotlin 2.0.20-Beta2: Unexpected number of type arguments: 0</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68889" rel="nofollow"><code>KT-68889</code></a> K2: type variable should not be fixed</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69835" rel="nofollow"><code>KT-69835</code></a> K2 / Native: kotlin.native.binary.gc=cms throws library cached but its dependency isn't error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-70417" rel="nofollow"><code>KT-70417</code></a> DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE leads to NPE in BE</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69964" rel="nofollow"><code>KT-69964</code></a> K2: Returning from an in-place lambda doesn't compile</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69773" rel="nofollow"><code>KT-69773</code></a> K2: "Overload resolution ambiguity between candidate" with arrays</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60261" rel="nofollow"><code>KT-60261</code></a> K2: No origin is set for composite assignment operators</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-15388" rel="nofollow"><code>KT-15388</code></a> Forbid delegated property to have external getter/setter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-70238" rel="nofollow"><code>KT-70238</code></a> K2: false negative VOLATILE_ON_VALUE for constructor properties</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68669" rel="nofollow"><code>KT-68669</code></a> K2: Generate inherited delegated members after actualization</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63828" rel="nofollow"><code>KT-63828</code></a> K2: Missing <code>signature</code> metadata for accessors of properties inherited from delegate</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63871" rel="nofollow"><code>KT-63871</code></a> K2: different value of <code>isNotDefault </code> flag for property inherited from delegate</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67119" rel="nofollow"><code>KT-67119</code></a> Migration warning from context receivers to context parameters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68997" rel="nofollow"><code>KT-68997</code></a> K2: "No accessor found" for an inline value class when query the value of a delegated class by reflection</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64106" rel="nofollow"><code>KT-64106</code></a> Native: the compiler allows using <code>-opt</code> and <code>-g</code> at the same time</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69766" rel="nofollow"><code>KT-69766</code></a> K2: False negative: Internal setter of generic class is accessible from another module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68364" rel="nofollow"><code>KT-68364</code></a> JVM: ISE "Bad exception handler end" on a non-local break/continue inside try with finally</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69494" rel="nofollow"><code>KT-69494</code></a> StackOverflowError in CfgTraverserKt.getPreviousCfgNodes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56880" rel="nofollow"><code>KT-56880</code></a> K2. Conflicting overloads for main() isn't shown when language version is set to 2.0</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69282" rel="nofollow"><code>KT-69282</code></a> K2: equality of unsigned types with nullability works incorrectly</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68492" rel="nofollow"><code>KT-68492</code></a> JVM IR backend: IDE / Kotlin Debugger: AE “Non-reified type parameter under ::class should be rejected by type checker” on evaluating private generic function</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-70039" rel="nofollow"><code>KT-70039</code></a> K2: inconsistent stability of vals of captured receivers</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-44139" rel="nofollow"><code>KT-44139</code></a> Don't report overload resolution ambiguities if arguments contain an error type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68996" rel="nofollow"><code>KT-68996</code></a> K2: "Not enough information to infer type argument" caused by typealias annotation with fixed generic argument</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55851" rel="nofollow"><code>KT-55851</code></a> K2: reference to a field from package private class crashes in runtime</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65038" rel="nofollow"><code>KT-65038</code></a> K2: Type alias from indirect dependency causes <code>MISSING_DEPENDENCY_CLASS</code> error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61875" rel="nofollow"><code>KT-61875</code></a> Native: remove support for bitcode embedding</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67693" rel="nofollow"><code>KT-67693</code></a> Implement checkers for K1 compiler which will check the usage of K2 new features and report that they are not supported in K1 compiler</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68556" rel="nofollow"><code>KT-68556</code></a> K2: false negative PROPERTY_WITH_NO_TYPE_NO_INITIALIZER on uninitialized property without type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60445" rel="nofollow"><code>KT-60445</code></a> K2/Java: investigate possible symbol clash while enhancing Java class type parameter bounds</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64193" rel="nofollow"><code>KT-64193</code></a> K2: No smartcast with two boolean expressions in a row</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65546" rel="nofollow"><code>KT-65546</code></a> K2. implement extended checker for unused anonymous parameter in lambda</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68358" rel="nofollow"><code>KT-68358</code></a> <code>@EnhancedNullability</code> is missing on value parameter type after inheritance by delegation with strict JSpecify enabled</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67791" rel="nofollow"><code>KT-67791</code></a> False negative "Synchronizing by Meters is forbidden" with inline value classes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69495" rel="nofollow"><code>KT-69495</code></a> k2: inconsistent output of unsigned number in string templates</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69619" rel="nofollow"><code>KT-69619</code></a> K2. JAVA_TYPE_MISMATCH when Kotlin out generic type used in Java</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69563" rel="nofollow"><code>KT-69563</code></a> trying to call <code>.source</code> on <code>FirPackageFragmentDescriptor</code> results in exception</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69611" rel="nofollow"><code>KT-69611</code></a> Internal annotation FlexibleArrayElementVariance is written to output jar</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69463" rel="nofollow"><code>KT-69463</code></a> K2: false negative SUPER_CALL_WITH_DEFAULT_PARAMETERS with expect/actual declarations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68724" rel="nofollow"><code>KT-68724</code></a> K2: "ABSTRACT_MEMBER_NOT_IMPLEMENTED" caused by open modifier on interface</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69182" rel="nofollow"><code>KT-69182</code></a> K2: OptIn on enum companion blocks enum constants</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69191" rel="nofollow"><code>KT-69191</code></a> K2: "Unresolved reference" caused by nested data objects</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69569" rel="nofollow"><code>KT-69569</code></a> Wrong paths when one type has multiple annotated arguments</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55128" rel="nofollow"><code>KT-55128</code></a> Wrong type path in type annotations when type arguments are compiled to wildcards</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67692" rel="nofollow"><code>KT-67692</code></a> Native: support LLVM opaque pointers in the compiler</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69402" rel="nofollow"><code>KT-69402</code></a> FirSupertypeResolverVisitor: ConcurrentModificationException</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69062" rel="nofollow"><code>KT-69062</code></a> K1: false-negative "unsupported feature" error on multi-dollar interpolation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68967" rel="nofollow"><code>KT-68967</code></a> Consider demoting warnings about multi-dollar interpolation to IJ inspections</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68957" rel="nofollow"><code>KT-68957</code></a> False-negative diagnostics about multi-dollar interpolation on string literals without interpolation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69476" rel="nofollow"><code>KT-69476</code></a> False negative NO_ELSE_IN_WHEN on when over intersection type with expect enum/sealed class</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67069" rel="nofollow"><code>KT-67069</code></a> K2: Delegated member calls interface method instead of fake override</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63864" rel="nofollow"><code>KT-63864</code></a> K2: Missing abbreviated type in metadata</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59833" rel="nofollow"><code>KT-59833</code></a> K2: Stop modifying values of enum entries</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69421" rel="nofollow"><code>KT-69421</code></a> K2: Resolve changed from delegated function to java default function</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69392" rel="nofollow"><code>KT-69392</code></a> K2: "UNSAFE_CALL": when with some variable subjects does not smartcast the variable</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69053" rel="nofollow"><code>KT-69053</code></a> K2: Unsupported intersection overrides for fields</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69227" rel="nofollow"><code>KT-69227</code></a> K2: "Argument type mismatch" caused by generic typealias and upper bound</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-31371" rel="nofollow"><code>KT-31371</code></a> NOT_YET_SUPPORTED_IN_INLINE: incorrect error message for local inline function</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-49473" rel="nofollow"><code>KT-49473</code></a> PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR: specialize error message for 'inline' property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-49474" rel="nofollow"><code>KT-49474</code></a> NON_PUBLIC_CALL_FROM_PUBLIC_INLINE: specialize error message for 'inline' property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-49503" rel="nofollow"><code>KT-49503</code></a> SUPER_CALL_FROM_PUBLIC_INLINE_ERROR: specialize error message for 'inline' property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-11302" rel="nofollow"><code>KT-11302</code></a> On inapplicable '<code>@JvmStatic</code>' annotation, highlight only the annotation, not the function signature</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59510" rel="nofollow"><code>KT-59510</code></a> K2: do not render annotations in the deprecation diagnostic</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68532" rel="nofollow"><code>KT-68532</code></a> "This code uses error suppression for 'INAPPLICABLE_JVM_NAME'. While it might compile and work, the compiler behavior is UNSPECIFIED and WON'T BE PRESERVED"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68859" rel="nofollow"><code>KT-68859</code></a> K2: unable to suppress only "JAVA_MODULE_DOES_NOT_EXPORT_PACKAGE"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68469" rel="nofollow"><code>KT-68469</code></a> [K2] MISSING_DEPENDENCY_CLASS caused by redundant <code>@file</code>:JvmName</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68999" rel="nofollow"><code>KT-68999</code></a> K2: Unify the style of FIR generator with IR and SIR tree-generators</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66061" rel="nofollow"><code>KT-66061</code></a> Kotlin/Native - building shared module for iOS - Argument list too long</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-49420" rel="nofollow"><code>KT-49420</code></a> Suspicious behaviour of frontend in case of DefinitelyNotNull type overload</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59752" rel="nofollow"><code>KT-59752</code></a> K2: "Conflicting overloads" if function with same signature added to different contexts</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68618" rel="nofollow"><code>KT-68618</code></a> K1: Unresolved reference for qualified this in implicit type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-25341" rel="nofollow"><code>KT-25341</code></a> NOT_YET_SUPPORTED_IN_INLINE reported over anonymous object border</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69215" rel="nofollow"><code>KT-69215</code></a> K2: IllegalArgumentException for delegated function in anonymous object with captured type parameters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69044" rel="nofollow"><code>KT-69044</code></a> Destructuring declaration shouldn't be possible in declaration in when</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69028" rel="nofollow"><code>KT-69028</code></a> K2: <code>FirJvmActualizingBuiltinSymbolProvider</code> returns <code>null</code> on builtins declarations if common source-set is not presented</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-15704" rel="nofollow"><code>KT-15704</code></a> Rethink usage of term "type annotation" in error messages</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68970" rel="nofollow"><code>KT-68970</code></a> K2. Argument type mismatch caused by out projection in inferred type from if - else</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68800" rel="nofollow"><code>KT-68800</code></a> K2: Delete <code>ConeAttributes.plus</code> method</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59389" rel="nofollow"><code>KT-59389</code></a> K2: Missing AMBIGUOUS_LABEL</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68803" rel="nofollow"><code>KT-68803</code></a> K2: Smart cast fails with "Unresolved reference" when <code>@Suppress</code>("UNCHECKED_CAST") used in statement</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68968" rel="nofollow"><code>KT-68968</code></a> K2: Missing ILLEGAL_SUSPEND_FUNCTION_CALL diagnostic in initialization code of a local class inside suspend function</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68336" rel="nofollow"><code>KT-68336</code></a> K2 does not seem to pass the right constructor arguments to custom scripts</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68517" rel="nofollow"><code>KT-68517</code></a> "IrSimpleFunctionSymbolImpl is unbound" for actual class containing non-actual functions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59678" rel="nofollow"><code>KT-59678</code></a> K2: Investigate <code>ConeKotlinType.unCapture()</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69027" rel="nofollow"><code>KT-69027</code></a> K2: Initialize <code>FirStdlibBuiltinSyntheticFunctionInterfaceProvider</code> in library session</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62818" rel="nofollow"><code>KT-62818</code></a> K2: improve VAR_OVERRIDDEN_BY_VAL diagnostic message</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68214" rel="nofollow"><code>KT-68214</code></a> Rename TypeApproximatorConfiguration properties for clarity</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68093" rel="nofollow"><code>KT-68093</code></a> Implement deprecation of smartcasts on class-delegated properties</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67270" rel="nofollow"><code>KT-67270</code></a> Native: report more performance metrics from the compiler</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68621" rel="nofollow"><code>KT-68621</code></a> DATA_CLASS_INVISIBLE_COPY_USAGE false negative for inline fun</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68568" rel="nofollow"><code>KT-68568</code></a> K2: False-positive ACCIDENTAL_OVERRIDE caused by missing dependency class</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66723" rel="nofollow"><code>KT-66723</code></a> K2: NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS for actual typealias that extends to Java class with complicated hierarchy that includes default method</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69000" rel="nofollow"><code>KT-69000</code></a> Can't render constructor of intersection type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68849" rel="nofollow"><code>KT-68849</code></a> K2: "ClassCastException: cannot be cast to kotlin.jvm.functions.Function2" caused by passing lambda to SAM constructor results</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61744" rel="nofollow"><code>KT-61744</code></a> Native: -Xsave-llvm-ir-after fails to check errors from LLVMPrintModuleToFile</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67103" rel="nofollow"><code>KT-67103</code></a> Support AbbreviatedTypeAttribute for aliased types from the source code</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63921" rel="nofollow"><code>KT-63921</code></a> K2: different representation of recursive type aliases</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68679" rel="nofollow"><code>KT-68679</code></a> K2: "Override has incorrect nullability in its signature compared to the overridden declaration" caused by subclass of Android HashMap</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64335" rel="nofollow"><code>KT-64335</code></a> K2: improve rendering of captured types in diagnostic messages</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68820" rel="nofollow"><code>KT-68820</code></a> K2: "Unresolved reference" on calling function with "contract" name</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67933" rel="nofollow"><code>KT-67933</code></a> K2: no conversion between fun interfaces if target has <code>suspend</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68230" rel="nofollow"><code>KT-68230</code></a> K2: FirMissingDependencyClassChecker: Not supported: ConeFlexibleType</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68531" rel="nofollow"><code>KT-68531</code></a> K2: False-negative error on assignment to enum entry</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68446" rel="nofollow"><code>KT-68446</code></a> K2: compile-time failure on smart-casted generic value used as a when-subject in a contains-check with range</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68678" rel="nofollow"><code>KT-68678</code></a> K2: Drop using <code>FirBuiltinSymbolProvider</code> while compiling JVM stdlib</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68382" rel="nofollow"><code>KT-68382</code></a> Get rid of context receivers in FirScript implementation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68585" rel="nofollow"><code>KT-68585</code></a> Implement new rules for CFA about enum entries</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68110" rel="nofollow"><code>KT-68110</code></a> K2: "Java type mismatch" caused by spring.Nullable</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68613" rel="nofollow"><code>KT-68613</code></a> K2: False positive <code>CONFLICTING_PROJECTION</code> after fixing KT-67764</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67764" rel="nofollow"><code>KT-67764</code></a> K2: False negative: Projection problem is not reported in <code>is</code> expression</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67887" rel="nofollow"><code>KT-67887</code></a> Expection on assigning to private field of value type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67801" rel="nofollow"><code>KT-67801</code></a> NSME on evaluating private member function with value class parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67800" rel="nofollow"><code>KT-67800</code></a> NSME on evaluating private top-level function with value class parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68542" rel="nofollow"><code>KT-68542</code></a> K2: Fix referecing to <code>@ExtensionFunctionType</code> if it's declared in source</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68188" rel="nofollow"><code>KT-68188</code></a> K2: Properly support FunctionN creation for stdlib compilation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67946" rel="nofollow"><code>KT-67946</code></a> K2: Crash on red code: <code>Instead use FirErrorTypeRef for ERROR CLASS: Cannot infer argument for type parameter T</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68526" rel="nofollow"><code>KT-68526</code></a> K2: false-negative inconsistent data class copy visibility warning on call to generic data class copy function</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68528" rel="nofollow"><code>KT-68528</code></a> K2: false-positive inconsistent data class copy visibility warning on call to function from another module with identical value parameter types and return type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68525" rel="nofollow"><code>KT-68525</code></a> K2: false-negative inconsistent data class copy visibility warning on callable reference to data class copy function</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68617" rel="nofollow"><code>KT-68617</code></a> K2: Secondary constructors in a sealed class have private visibility instead of protected in the generated IR</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63920" rel="nofollow"><code>KT-63920</code></a> K2: Private secondary sealed class constructor is private in metadata, but protected in K1</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57996" rel="nofollow"><code>KT-57996</code></a> Usages of <code>Foo</code> <code>@Nullable</code> []<code>produce only warnings even with</code>-Xtype-enhancement-improvements-strict-mode -Xjspecify-annotations=strict`</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68207" rel="nofollow"><code>KT-68207</code></a> K2: Investigate if losing ConeIntersectionType.upperBoundForApproximation during approximation leads to any issues</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64990" rel="nofollow"><code>KT-64990</code></a> K2: Remove usages of SymbolTable from FIR2IR</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67798" rel="nofollow"><code>KT-67798</code></a> NSME on assigning to private delegated property of value class</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68264" rel="nofollow"><code>KT-68264</code></a> K2: confusing INVISIBLE_* error when typealias is involved</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68529" rel="nofollow"><code>KT-68529</code></a> K2: false-negative redundant annotation warning on <code>@ExposedCopyVisibility</code> on data class with public constructor</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67943" rel="nofollow"><code>KT-67943</code></a> Approximation should not generate types with UPPER_BOUND_VIOLATION errors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67503" rel="nofollow"><code>KT-67503</code></a> K2: False negative "Type Expected" when attempting to annotate a wildcard type argument</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68187" rel="nofollow"><code>KT-68187</code></a> K2: Create IrBuiltins in fir2ir only after IR actualization</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66443" rel="nofollow"><code>KT-66443</code></a> K2: ArrayIterationHandler doesn't work if UIntArray declared in sources</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68291" rel="nofollow"><code>KT-68291</code></a> K2 / Contracts: Non-existent invocation kind is suggested as a fix</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68209" rel="nofollow"><code>KT-68209</code></a> K2: Strange import suggestion when lambda body contains invalid code</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67368" rel="nofollow"><code>KT-67368</code></a> "NullPointerException: Parameter specified as non-null is null" local lambda creates new not-null checks with 2.0.0-Beta5</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-51433" rel="nofollow"><code>KT-51433</code></a> FE 1.0: implement warnings about label resolve changes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66554" rel="nofollow"><code>KT-66554</code></a> K2. Drop FIR based fake-override generator from fir2ir</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64202" rel="nofollow"><code>KT-64202</code></a> K2: Drop old methods for calculation of overridden symbols for lazy declarations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67895" rel="nofollow"><code>KT-67895</code></a> K2: Properly implement generation of fake-overrides for fields</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54496" rel="nofollow"><code>KT-54496</code></a> K2: <code>REDUNDANT_MODALITY_MODIFIER</code> diagnostic disregards compiler plugins</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63745" rel="nofollow"><code>KT-63745</code></a> K2: Approximation of DNN with nullability warning attribute leads to attribute incorrectly becoming not-null</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63362" rel="nofollow"><code>KT-63362</code></a> AbstractTypeApproximator fixes only first local type in hierarchy</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67769" rel="nofollow"><code>KT-67769</code></a> K2: "variable must be initialized" on unreachable access in constructor</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-51195" rel="nofollow"><code>KT-51195</code></a> FIR IC: Incremental compilation fails with <code>@PublishedApi</code> property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67966" rel="nofollow"><code>KT-67966</code></a> No JVM type annotation is generated on a class supertype</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-46640" rel="nofollow"><code>KT-46640</code></a> Generate JVM type annotations on wildcard bounds</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67952" rel="nofollow"><code>KT-67952</code></a> Annotations on type parameters are not generated for parameters other than the first</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68012" rel="nofollow"><code>KT-68012</code></a> K2. No <code>'operator' modifier is required on 'component'</code> error in K2</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61835" rel="nofollow"><code>KT-61835</code></a> K2: FirStubTypeTransformer receives unresolved expressions in builder inference session</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63596" rel="nofollow"><code>KT-63596</code></a> K1/K2: Different behavior for lambda with different return type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67688" rel="nofollow"><code>KT-67688</code></a> K2: False positive CANNOT_INFER_PARAMETER_TYPE for Unit constraint type variable</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62080" rel="nofollow"><code>KT-62080</code></a> False positive UNUSED_VARIABLE for variable that is used in lambda and in further code with several conditions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60726" rel="nofollow"><code>KT-60726</code></a> K2: Missed TYPE_MISMATCH error: inferred type non-suspend function but suspend function was expected</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-41835" rel="nofollow"><code>KT-41835</code></a> [FIR] Green code turns to red in presence of smartcasts and redundant type arguments</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67579" rel="nofollow"><code>KT-67579</code></a> K1/JVM: false-negative annotation-based diagnostics on usages of ABI compiled with non-trivially configured generation of default methods</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67493" rel="nofollow"><code>KT-67493</code></a> K2: argument type mismatch: actual type is 'T', but 'T' was expected</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64900" rel="nofollow"><code>KT-64900</code></a> K2: <code>getConstructorKeyword</code> call in <code>PsiRawFirBuilder.toFirConstructor</code> forces AST load</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67648" rel="nofollow"><code>KT-67648</code></a> K2: wrong exposed visibility errors with WRONG_MODIFIER_CONTAINING_DECLARATION on top-level enum class</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58686" rel="nofollow"><code>KT-58686</code></a> FIR2IR: Don't use global counters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67592" rel="nofollow"><code>KT-67592</code></a> K2: Success execution of <code>:kotlin-stdlib:compileKotlinMetadata</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60398" rel="nofollow"><code>KT-60398</code></a> K2: consider forbidding FirBasedSymbol rebind</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-54918" rel="nofollow"><code>KT-54918</code></a> Refactor transformAnonymousFunctionWithExpectedType</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63360" rel="nofollow"><code>KT-63360</code></a> K2: Malformed type mismatch error with functional type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67266" rel="nofollow"><code>KT-67266</code></a> K2: disappeared INLINE_CLASS_DEPRECATED</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67569" rel="nofollow"><code>KT-67569</code></a> K2: Fix default value parameters of Enum's constructor if it's declared in source code</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67378" rel="nofollow"><code>KT-67378</code></a> K2: Don't use <code>wrapScopeWithJvmMapped</code> for common source sets</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67738" rel="nofollow"><code>KT-67738</code></a> K2: Introduce <code>kotlin.internal.ActualizeByJvmBuiltinProvider</code> annotation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64456" rel="nofollow"><code>KT-64456</code></a> K2: Port *VersionRequirementTest to K2</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67136" rel="nofollow"><code>KT-67136</code></a> Put $this parameter to LVT for suspend lambdas</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62538" rel="nofollow"><code>KT-62538</code></a> K2: Declarations inside external classes should be implicitly external</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67627" rel="nofollow"><code>KT-67627</code></a> K2: External interface companion isn't external in IR</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60290" rel="nofollow"><code>KT-60290</code></a> K2: origin is not set for !in operator</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67512" rel="nofollow"><code>KT-67512</code></a> K2: false positive WRONG_GETTER_RETURN_TYPE when getter return type is annotated</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67635" rel="nofollow"><code>KT-67635</code></a> K2: No warning TYPE_MISMATCH_WHEN_FLEXIBILITY_CHANGES for SAM constructor with inferred type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60501" rel="nofollow"><code>KT-60501</code></a> K2 Scripting: investigate metadata difference between K1 and K2</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67598" rel="nofollow"><code>KT-67598</code></a> K2: Fix incorrect casting <code>UByte</code> to <code>Number</code> in <code>FirToConstantValueTransformer</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56564" rel="nofollow"><code>KT-56564</code></a> False positive "non-exhaustive when" in case of intersection type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63969" rel="nofollow"><code>KT-63969</code></a> K2: extra property in metadata</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63968" rel="nofollow"><code>KT-63968</code></a> K2: extra property in metadata for anonymous variable in script</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67547" rel="nofollow"><code>KT-67547</code></a> K/N can't build caches, fails with "clang++: error=2, No such file or directory"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67469" rel="nofollow"><code>KT-67469</code></a> K2: Failing module in FP-intellij</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64033" rel="nofollow"><code>KT-64033</code></a> K2: Investigate ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64457" rel="nofollow"><code>KT-64457</code></a> K2: Fix DecompiledKnmStubConsistencyK2TestGenerated</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66377" rel="nofollow"><code>KT-66377</code></a> IR Evaluator: "no container found for type parameter" when evaluating nested generics</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66378" rel="nofollow"><code>KT-66378</code></a> IR Evaluator: Symbol is unbound</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64506" rel="nofollow"><code>KT-64506</code></a> IDE, IR Evaluator: NPE in ReflectiveAccessLowering.fieldLocationAndReceiver when evaluating private static properties</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67380" rel="nofollow"><code>KT-67380</code></a> K2: Don't check for <code>equals</code> overriding for class <code>Any</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67038" rel="nofollow"><code>KT-67038</code></a> K2: Missing type of FirLiteralExpression causes an exception for property initializer type resolution</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59813" rel="nofollow"><code>KT-59813</code></a> K2: Fix the TODO about <code>firEffect.source</code> in <code>FirReturnsImpliesAnalyzer</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59834" rel="nofollow"><code>KT-59834</code></a> K2: Fix the TODO about <code>merge(other)</code> in <code>UnusedChecker</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59188" rel="nofollow"><code>KT-59188</code></a> K2: Change positioning strategy for <code>WRONG_NUMBER_OF_TYPE_ARGUMENTS</code> error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59108" rel="nofollow"><code>KT-59108</code></a> K2. SMARTCAST_IMPOSSIBLE instead of UNSAFE_IMPLICIT_INVOKE_CALL</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65503" rel="nofollow"><code>KT-65503</code></a> The inline processor cannot handle objects inside the lambda correctly when calling an inline function from another module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-30696" rel="nofollow"><code>KT-30696</code></a> NoSuchMethodError if nested anonymous objects are used with propagation reified type parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58966" rel="nofollow"><code>KT-58966</code></a> Incorrect type inference for parameters with omitted type of anonymous function that is being analyzed as value of function type with receiver</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67458" rel="nofollow"><code>KT-67458</code></a> Use <code>@PhaseDescription</code> for JVM backend lowering phases</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65647" rel="nofollow"><code>KT-65647</code></a> K2 ignores diagnostics on sourceless <code>FirTypeRef</code>s</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64489" rel="nofollow"><code>KT-64489</code></a> K2: Rename FirAugmentedArraySet</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67394" rel="nofollow"><code>KT-67394</code></a> FIR: Make FIR repr of For from PSI and LightTree the same</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66724" rel="nofollow"><code>KT-66724</code></a> K2 IDE. False positive errors because of wrong type inference in complex case of delegated property and type arguments</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-40248" rel="nofollow"><code>KT-40248</code></a> Confusing error message NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66947" rel="nofollow"><code>KT-66947</code></a> K2: false-positive JSpecify nullability enhancement warning on Java wildcard type argument with same base type but different nullabilities as upper and lower bounds</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66974" rel="nofollow"><code>KT-66974</code></a> K2: false-negative JSpecify nullability enhancement warning on nullable projection of Java wildcard type argument with non-null bounds in out-position</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66946" rel="nofollow"><code>KT-66946</code></a> K2: false-negative JSpecify nullability enhancement warning on Java wildcard type argument with nullable upper bound in out-position</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66442" rel="nofollow"><code>KT-66442</code></a> K2: No visibility error on importing private aliases</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66598" rel="nofollow"><code>KT-66598</code></a> K2: Allow comparisons, <code>is</code>-checks and casts between Kotlin and platform types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55966" rel="nofollow"><code>KT-55966</code></a> K2: Not enough information to infer type variable K if smartcast is used</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64894" rel="nofollow"><code>KT-64894</code></a> OPT_IN_ARGUMENT_IS_NOT_MARKER diagnostic message is unclear</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67019" rel="nofollow"><code>KT-67019</code></a> K2: IR has incorrect EQ origins for some inplace updating operators</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-59810" rel="nofollow"><code>KT-59810</code></a> K2: Support other ConstraintPosition-s</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-55383" rel="nofollow"><code>KT-55383</code></a> K1/K2: isClassTypeConstructor behaves differently for stub types</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60089" rel="nofollow"><code>KT-60089</code></a> K2: Introduced ERROR_IN_CONTRACT_DESCRIPTION</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60382" rel="nofollow"><code>KT-60382</code></a> K2: Refactor ExpectActualCollector</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62929" rel="nofollow"><code>KT-62929</code></a> K2: investigate if guessArrayTypeIfNeeded is necessary in annotation loader</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65642" rel="nofollow"><code>KT-65642</code></a> K2: IR: Array access desugaring doesn't have origins</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-24807" rel="nofollow"><code>KT-24807</code></a> No smartcast to Boolean in subject of when-expression when subject type is non-nullable</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66057" rel="nofollow"><code>KT-66057</code></a> K2: incorrect supertype leads to class declaration being highlighted red</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63958" rel="nofollow"><code>KT-63958</code></a> K2: drop support of UseBuilderInferenceOnlyIfNeeded=false</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63959" rel="nofollow"><code>KT-63959</code></a> K2: treat stub types as non-nullable for isReceiverNullable check</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65100" rel="nofollow"><code>KT-65100</code></a> IrFakeOverrideBuilder: support custom 'remove(Int)' handling logic in MutableCollection subclasses</li> </ul> <h3>Compose compiler</h3> <h4>New features</h4> <ul> <li><a href="https://github.com/JetBrains/kotlin/commit/cdfe65911490eef21892098494986af1af14fa64"><code>cdfe659</code></a> Changed how compiler features being rolled out are enabled and disabled in compiler plugin CLI. Features, such as strong skipping and non-skipping group optimizations are now enabled through the "featureFlag" option instead of their own option.</li> <li><a href="https://github.com/JetBrains/kotlin/commit/192e5565f484b399b33ed9e959793922f0aeb3d0"><code>192e556</code></a> Strong skipping is now enabled by default</li> <li><a href="https://github.com/JetBrains/kotlin/commit/842a9e87e3c1e1d219313caedcc9e9fae895e53f"><code>842a9e8</code></a> Add support for default parameters in abstract and open <code>@Composable</code> functions <a href="https://issuetracker.google.com/issues/165812010" rel="nofollow"><code>b/165812010</code></a></li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://github.com/JetBrains/kotlin/commit/e207b05f1fcbba38b71030be0fc30b378e9b5308"><code>e207b05</code></a> Fixes group generation for if statements when nonSkippingGroupOptimization is enabled <a href="https://issuetracker.google.com/issues/346821372" rel="nofollow"><code>b/346821372</code></a></li> <li><a href="https://github.com/JetBrains/kotlin/commit/f64fc3ae5f9be6f2a066b3b9350f830bdd4e854c"><code>f64fc3a</code></a> Fixes <code>endToMarker</code> generation in early return from inline lambdas that caused start/end imbalance <a href="https://issuetracker.google.com/issues/346808602" rel="nofollow"><code>b/346808602</code></a></li> <li><a href="https://github.com/JetBrains/kotlin/commit/d6ac8a50a4eb4ce1c6464cb5103d2d9b04f67019"><code>d6ac8a5</code></a> Stop memoizing lambdas with captured property delegates <a href="https://issuetracker.google.com/issues/342557697" rel="nofollow"><code>b/342557697</code></a></li> <li><a href="https://github.com/JetBrains/kotlin/commit/f38d5a3c047edb3b38eb0eaebcdcedc2aa1c04d8"><code>f38d5a3</code></a> Stop capturing parameter meta across crossinline boundary <a href="https://issuetracker.google.com/issues/343801379" rel="nofollow"><code>b/343801379</code></a></li> <li><a href="https://github.com/JetBrains/kotlin/commit/770fe8dda6a8a801b47cb84f5026f93555c4b452"><code>770fe8d</code></a> Propagate annotations from inferred function types when serializing <a href="https://issuetracker.google.com/issues/345261077" rel="nofollow"><code>b/345261077</code></a></li> <li><a href="https://github.com/JetBrains/kotlin/commit/3c67cda09099f9acdd10b944183a75958e023141"><code>3c67cda</code></a> Fix memoization of captureless lambdas when K2 compiler is used <a href="https://issuetracker.google.com/issues/340582180" rel="nofollow"><code>b/340582180</code></a></li> <li><a href="https://github.com/JetBrains/kotlin/commit/3281e53a1bb15af932157d42178184aed55e6d71"><code>3281e53</code></a> Allow memoizing lambdas in composable inline functions <a href="https://issuetracker.google.com/issues/340606661" rel="nofollow"><code>b/340606661</code></a></li> <li><a href="https://issuetracker.google.com/issues/351858979" rel="nofollow"><code>b/351858979</code></a> Fix stability inferencing of interfaces on incremental compilation</li> <li><a href="https://issuetracker.google.com/issues/346821372" rel="nofollow"><code>b/346821372</code></a> [Compose] Fix code generation for group optimization</li> <li><a href="https://issuetracker.google.com/issues/357878245" rel="nofollow"><code>b/357878245</code></a> Disallow open <code>@Composable</code> functions with default params to fix binary compatibility issues.</li> </ul> <h3>IR. Actualizer</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68830" rel="nofollow"><code>KT-68830</code></a> Compiler crash on missing actual class</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69024" rel="nofollow"><code>KT-69024</code></a> K2: Children of expect annotation with <code>@OptionalExpectation</code> should be actualized</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68742" rel="nofollow"><code>KT-68742</code></a> Allow expect protected to Java protected actualization</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66436" rel="nofollow"><code>KT-66436</code></a> K2. Actualizing modCount property with a field in AbstractMutableList</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68741" rel="nofollow"><code>KT-68741</code></a> Support actualization of AbstractMutableList.modCount</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68801" rel="nofollow"><code>KT-68801</code></a> Crash on access of fake override of function actualized by fake override</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66307" rel="nofollow"><code>KT-66307</code></a> K2: property fake override isn't generated for protected field</li> </ul> <h3>IR. Inlining</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-67208" rel="nofollow"><code>KT-67208</code></a> KJS: put ReplaceSuspendIntrinsicLowering after IR inliner</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68100" rel="nofollow"><code>KT-68100</code></a> Run IR validation in the beginning and the end of the common prefix</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69171" rel="nofollow"><code>KT-69171</code></a> Introduce a temporary <code>-X</code> CLI parameter that enables double-inlining</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69006" rel="nofollow"><code>KT-69006</code></a> Enable IR visibility checks after IR inlining</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69183" rel="nofollow"><code>KT-69183</code></a> IR inlining: properly handle defaults that depends on previous value parameters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67660" rel="nofollow"><code>KT-67660</code></a> Suspicious package part FQN calculation in InventNamesForLocalClasses</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68558" rel="nofollow"><code>KT-68558</code></a> Move <code>InlineCallableReferenceToLambdaPhase</code> into <code>ir.inline</code> module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-56466" rel="nofollow"><code>KT-56466</code></a> Support non-local break/continue in IR inliner</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64958" rel="nofollow"><code>KT-64958</code></a> KJS: Put as many as possible lowerings after the inliner</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67297" rel="nofollow"><code>KT-67297</code></a> Implement IR deserializer with unbound symbols</li> </ul> <h3>IR. Interpreter</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-66938" rel="nofollow"><code>KT-66938</code></a> Internal error in file lowering: java.lang.AssertionError: Error occurred while optimizing an expression: CALL 'public final fun less (arg0: kotlin.Int, arg1: kotlin.Int): kotlin.Boolean declared in kotlin.internal.ir'</li> </ul> <h3>IR. Tree</h3> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-67695" rel="nofollow"><code>KT-67695</code></a> ForLoopsLowering fails to handle a loop over an imprecise typed iterable</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68784" rel="nofollow"><code>KT-68784</code></a> Support validating visibility of referenced declarations in IrValidator</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68174" rel="nofollow"><code>KT-68174</code></a> Delete the IrMessageLogger interface</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67082" rel="nofollow"><code>KT-67082</code></a> Introduce attributes on IrElement</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68716" rel="nofollow"><code>KT-68716</code></a> <code>DeepCopyIrTreeWithSymbols.visitConst</code> should remap const type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67650" rel="nofollow"><code>KT-67650</code></a> Add default implementations to methods for non-leaf IrSymbol subclasses from SymbolRemapper</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67649" rel="nofollow"><code>KT-67649</code></a> Autogenerate IrSymbol interface hierarchy</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-44721" rel="nofollow"><code>KT-44721</code></a> IR: merge IrPrivateSymbolBase and IrPublicSymbolBase hierarchies</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67580" rel="nofollow"><code>KT-67580</code></a> Autogenerate SymbolRemapper</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67457" rel="nofollow"><code>KT-67457</code></a> Introduce a way to simplify IR lowering phase creation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67060" rel="nofollow"><code>KT-67060</code></a> NoSuchMethodError for org.jetbrains.kotlin.ir.expressions.impl.IrCompositeImpl in the Flysto</li> </ul> <h3>JavaScript</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69133" rel="nofollow"><code>KT-69133</code></a> Kotlin/JS: Add support for collection instantiation in JavaScript</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-18891" rel="nofollow"><code>KT-18891</code></a> JS: provide a way to declare static members (JsStatic?)</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68943" rel="nofollow"><code>KT-68943</code></a> <code>@JsPlainObject</code> breaks when interface has type parameters</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-70592" rel="nofollow"><code>KT-70592</code></a> "Error: HttpClientCall expected" on HTTP request when targeting es2015 with KTOR</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67273" rel="nofollow"><code>KT-67273</code></a> Creating Kotlin Collections from JS collections</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65018" rel="nofollow"><code>KT-65018</code></a> JS: Deprecate error tolerance</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67355" rel="nofollow"><code>KT-67355</code></a> KJS / ES6: 'super' in lambda with enabled <code>-Xir-generate-inline-anonymous-functions</code> leads to JS errors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69353" rel="nofollow"><code>KT-69353</code></a> KJS / d.ts: Kotlin does not export base collection classes along with their mutable collection counterparts</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66898" rel="nofollow"><code>KT-66898</code></a> KJS: Reserved keywords not escaped when <code>-Xir-generate-inline-anonymous-functions</code> is enabled</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69710" rel="nofollow"><code>KT-69710</code></a> JS IR generates bad code for inner param default referring to outer members</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68632" rel="nofollow"><code>KT-68632</code></a> K2: allow JS_NAME_CLASH suppression</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69400" rel="nofollow"><code>KT-69400</code></a> Use correct type for references on local functions when transforming them into lambda</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68554" rel="nofollow"><code>KT-68554</code></a> Legalize marker interface as parent for JSO (interface marked with <code>@JsPlainObject</code>)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68740" rel="nofollow"><code>KT-68740</code></a> Kotlin/JS 2.0.0 IrLinkageError with dynamic function parameters inside data classes</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68944" rel="nofollow"><code>KT-68944</code></a> <code>@JsPlainObject</code> require properties, when type - nullable alias</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68891" rel="nofollow"><code>KT-68891</code></a> <code>@JsPlainObject</code> fails to compile when encountering reserved keywords as interface properties</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69023" rel="nofollow"><code>KT-69023</code></a> KJS / IR: <code>globalThis</code> is mandatory, breaking older browsers support</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68641" rel="nofollow"><code>KT-68641</code></a> KJS: 'export was not found' with per-file mode on case-insensitive filesystem</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68053" rel="nofollow"><code>KT-68053</code></a> K2: NON_EXPORTABLE_TYPE on a typealias of primitive type</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62304" rel="nofollow"><code>KT-62304</code></a> K/JS: Investigate the compiler assertion crash in JS FIR with backend tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68620" rel="nofollow"><code>KT-68620</code></a> [wasm][js] Default param in inner class method fails if we are referring generic extension property</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64801" rel="nofollow"><code>KT-64801</code></a> K2 + JS and WASM: Inner with default inner doesn't work properly</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67248" rel="nofollow"><code>KT-67248</code></a> ModuleDescriptor in JS Linker contains incorrect friend dependecies</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64424" rel="nofollow"><code>KT-64424</code></a> K2: Migrate JsProtoComparisonTestGenerated to K2</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-52602" rel="nofollow"><code>KT-52602</code></a> Kotlin/JS + IR: incompatible ABI version is not reported when no declarations are actually used by a Gradle compilation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66092" rel="nofollow"><code>KT-66092</code></a> K/JS & Wasm: .isReified for reified upper bound is wrongly false</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67112" rel="nofollow"><code>KT-67112</code></a> Unable to apply <code>@JsStatic</code> for common sources: [NO_CONSTRUCTOR]</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62329" rel="nofollow"><code>KT-62329</code></a> KJS: "UnsupportedOperationException: Empty collection can't be reduced" caused by external enum with "<code>@JsExport</code>"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67018" rel="nofollow"><code>KT-67018</code></a> K/JS: Executable js file for module-kind=umd contains top level this instead of globalThis</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64776" rel="nofollow"><code>KT-64776</code></a> Test infra for JS can't process dependency in mpp module</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65076" rel="nofollow"><code>KT-65076</code></a> Use the same instance when a fun interface doesn't capture or capture only singletons</li> </ul> <h3>Klibs</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-66557" rel="nofollow"><code>KT-66557</code></a> Check, that no bad metadata in klib is produced, when we failed to compute constant value</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66968" rel="nofollow"><code>KT-66968</code></a> Provide K/N platforms libs for all available targets</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66967" rel="nofollow"><code>KT-66967</code></a> Provide K/N stdlib for all available targets in all distributions</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66605" rel="nofollow"><code>KT-66605</code></a> [KLIB] Excessive creation of <code>BaseKotlinLibrary</code> during resolving libs</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68824" rel="nofollow"><code>KT-68824</code></a> API 4 ABI: Don't show sealed class constructors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68202" rel="nofollow"><code>KT-68202</code></a> KLIB metadata: nested classes are sometimes inside a different 'knm' chunk</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65834" rel="nofollow"><code>KT-65834</code></a> [KLIB Resolve] Drop library versions in KLIB manifests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67446" rel="nofollow"><code>KT-67446</code></a> [KLIB Tool] Drop "-repository " CLI parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67445" rel="nofollow"><code>KT-67445</code></a> [KLIB Tool] Drop "install" and "remove" commands</li> </ul> <h3>Language Design</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-58920" rel="nofollow"><code>KT-58920</code></a> K2: Prioritize Enum.entries resolve</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-11914" rel="nofollow"><code>KT-11914</code></a> Confusing data class copy with private constructor</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68636" rel="nofollow"><code>KT-68636</code></a> Incorrect private_to_this visibility for data class with a private constructor</li> </ul> <h3>Libraries</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-31880" rel="nofollow"><code>KT-31880</code></a> UUID functionality to fix Java bugs as well as extend it</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57998" rel="nofollow"><code>KT-57998</code></a> implement Base64.withoutPadding</li> </ul> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-67023" rel="nofollow"><code>KT-67023</code></a> Optimize Int.sign and Long.sign for js and wasmJs targets</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-70196" rel="nofollow"><code>KT-70196</code></a> Introduce ExperimentalUuidApi annotation for marking Uuid API</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-60787" rel="nofollow"><code>KT-60787</code></a> Cannot ignore alpha when formatting with HexFormat</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68025" rel="nofollow"><code>KT-68025</code></a> Improve documentation for Hex</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66129" rel="nofollow"><code>KT-66129</code></a> Minor issues with HexFormat</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67511" rel="nofollow"><code>KT-67511</code></a> provide equals() and hashCode() implementations for kotlinx.metadata.KmType</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68240" rel="nofollow"><code>KT-68240</code></a> stdlib: proper expects for internal API used in intermediate shared source sets</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68840" rel="nofollow"><code>KT-68840</code></a> atomicfu-runtime: annotate some internal functions with <code>@PublishedApi</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68839" rel="nofollow"><code>KT-68839</code></a> Annotate <code>kotlin.js.VOID</code> property with <code>@PublishedApi</code></li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68023" rel="nofollow"><code>KT-68023</code></a> Improve documentation for Base64</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-51483" rel="nofollow"><code>KT-51483</code></a> Documentation of trimMargin is (partly) difficult to understand</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64649" rel="nofollow"><code>KT-64649</code></a> Add explanation to "A compileOnly dependency is used in the Kotlin/Native target" warning message</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67807" rel="nofollow"><code>KT-67807</code></a> JS/Wasm: ByteArray.decodeToString incorrectly handles ill-formed 4-byte sequences with a 2nd byte not being continuation byte</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67768" rel="nofollow"><code>KT-67768</code></a> Wasm: ByteArray.decodeToString throws out-of-bounds exception if the last byte is a start of a 4-byte sequence</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66896" rel="nofollow"><code>KT-66896</code></a> Improve Array contentEquals and contentDeepEquals documentation</li> </ul> <h3>Native</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-70166" rel="nofollow"><code>KT-70166</code></a> Native: EXC_BAD_ACCESS on watchOS when using Dispatchers</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69246" rel="nofollow"><code>KT-69246</code></a> K2: linkPodDebugFrameworkIosArm64 takes 15 (!!) times longer</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67694" rel="nofollow"><code>KT-67694</code></a> Native: WeakRefBenchmark degradation due to nonoptimized IntProgression iteration</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69206" rel="nofollow"><code>KT-69206</code></a> Native: updating to LLVM 16 breaks debugging in lldb on Linux</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68640" rel="nofollow"><code>KT-68640</code></a> Native: updating to LLVM 16 changes behavior of <code>used</code> attribute in C/C++ code</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58097" rel="nofollow"><code>KT-58097</code></a> Kotlin/Native: improve the error message if Xcode is not properly configured</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67583" rel="nofollow"><code>KT-67583</code></a> compileKotlin-task unexpectedly downloads K/N dependencies on Linux (but doesn't on Mac)</li> </ul> <h3>Native. Build Infrastructure</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69781" rel="nofollow"><code>KT-69781</code></a> Kotlin/Native performance tests fail to compile with bitcode</li> </ul> <h3>Native. C and ObjC Import</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69094" rel="nofollow"><code>KT-69094</code></a> LLVM 11 clang: cinterops fail with "_Float16 is not supported on this target"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68254" rel="nofollow"><code>KT-68254</code></a> Native: flaky testForwardEnum test in Kotlin/Native on MacOS</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65260" rel="nofollow"><code>KT-65260</code></a> Native: compiler crashes when casting to an Obj-C class companion</li> </ul> <h3>Native. ObjC Export</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-65666" rel="nofollow"><code>KT-65666</code></a> Native: enable objcExportSuspendFunctionLaunchThreadRestriction=none by default</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-57496" rel="nofollow"><code>KT-57496</code></a> linkReleaseFrameworkIosArm64: e: Compilation failed: An operation is not implemented</li> </ul> <h3>Native. Platform Libraries</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69382" rel="nofollow"><code>KT-69382</code></a> LLVM 11 clang: symbol not found when running the linker</li> </ul> <h3>Native. Runtime</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-70043" rel="nofollow"><code>KT-70043</code></a> Native: EXC_BAD_ACCESS on watchOS when using Random</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68928" rel="nofollow"><code>KT-68928</code></a> EXC_BREAKPOINT: BUG IN CLIENT OF LIBPLATFORM: Trying to recursively lock an os_unfair_lock</li> </ul> <h3>Native. Runtime. Memory</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-66644" rel="nofollow"><code>KT-66644</code></a> Native: threads are too often paused to assist GC (with concurrent mark)</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68871" rel="nofollow"><code>KT-68871</code></a> Native: Unexpected barriers phase during STW: weak-processing</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67779" rel="nofollow"><code>KT-67779</code></a> Native: SpecialRefRegistry::ThradData publication prolongs the pause in CMS</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66918" rel="nofollow"><code>KT-66918</code></a> Native: scan global root set concurrently</li> </ul> <h3>Native. Swift Export</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69469" rel="nofollow"><code>KT-69469</code></a> Exporting object twice causing crash</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69251" rel="nofollow"><code>KT-69251</code></a> Get rid of context receivers from ./native/.../lazyWithSessions.kt</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68865" rel="nofollow"><code>KT-68865</code></a> Move config into test-directives</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68259" rel="nofollow"><code>KT-68259</code></a> Swift export: secondary constructs lead to compilation errors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67095" rel="nofollow"><code>KT-67095</code></a> Native: fix testNativeRefs export test</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67099" rel="nofollow"><code>KT-67099</code></a> Remove SirVisitor and SirTransformer from code</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67003" rel="nofollow"><code>KT-67003</code></a> Abandon PackageInflator implementation in favour of PackageProvider component</li> </ul> <h3>Native. Testing</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69235" rel="nofollow"><code>KT-69235</code></a> Incorrect handling of friend dependencies in Native test infra</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67436" rel="nofollow"><code>KT-67436</code></a> Native: support CLI tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68416" rel="nofollow"><code>KT-68416</code></a> Native: when using test grouping, a whole group gets ignored on non-Mac hosts if it has Objective-C tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68500" rel="nofollow"><code>KT-68500</code></a> Native: Drop custom logic in ExtTestCaseGroupProvider, mute codegen/box tests explicitly</li> </ul> <h3>Reflection</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69433" rel="nofollow"><code>KT-69433</code></a> KotlinReflectionInternalError on non-reified type parameter in typeOf inside an inline lambda</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68675" rel="nofollow"><code>KT-68675</code></a> K2: KotlinReflectionInternalError on non-reified type parameter in typeOf inside a lambda</li> </ul> <h3>Tools. Build Tools API</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68555" rel="nofollow"><code>KT-68555</code></a> BTA test infra: top level declarations are invisible across modules</li> </ul> <h3>Tools. CLI</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69792" rel="nofollow"><code>KT-69792</code></a> Add the possibility to disable fast jar fs in K2</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68838" rel="nofollow"><code>KT-68838</code></a> OutOfMemory when compiling in CLI</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67939" rel="nofollow"><code>KT-67939</code></a> Add CLI argument to enable when guards feature</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68743" rel="nofollow"><code>KT-68743</code></a> Extract common CLI arguments for all KLIB-based backends</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68450" rel="nofollow"><code>KT-68450</code></a> CLI: errors related to module-info are reported even if there are no Kotlin source files</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68060" rel="nofollow"><code>KT-68060</code></a> FastJarFS fails on empty jars</li> </ul> <h3>Tools. CLI. Native</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-66952" rel="nofollow"><code>KT-66952</code></a> Native: konanc fails when KONAN_HOME is under path with spaces</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64524" rel="nofollow"><code>KT-64524</code></a> Introduce a CLI argument to override native_targets field in klib manifest</li> </ul> <h3>Tools. Commonizer</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68835" rel="nofollow"><code>KT-68835</code></a> Command line length overflow on Linux/Windows while invoking commonizer via :commonizeDistribution</li> </ul> <h3>Tools. Compiler Plugin API</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68020" rel="nofollow"><code>KT-68020</code></a> K2: run FirSupertypeGenerationExtension over generated declarations</li> </ul> <h3>Tools. Compiler Plugins</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-64425" rel="nofollow"><code>KT-64425</code></a> K2: Implement Atomicfu*IrTestGenerated for K2</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69401" rel="nofollow"><code>KT-69401</code></a> Kotlin power assert plugin doesn't work correctly with safe cast operator</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69290" rel="nofollow"><code>KT-69290</code></a> PowerAssert: implicit receivers included in power-assert generated diagram</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68511" rel="nofollow"><code>KT-68511</code></a> Power Assert kotlinx.assertEquals message display problem</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68807" rel="nofollow"><code>KT-68807</code></a> Power-Assert crashes the Kotlin compiler when if expression used as assertion parameter</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68162" rel="nofollow"><code>KT-68162</code></a> K2 Parcelize implementation breaks compiler phase contracts</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67605" rel="nofollow"><code>KT-67605</code></a> K2 parcelize: false positive NOTHING_TO_OVERRIDE in one test</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64455" rel="nofollow"><code>KT-64455</code></a> K2: Implement ParcelizeIrBoxTestWithSerializableLikeExtension for K2</li> </ul> <h3>Tools. Compiler plugins. Serialization</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-70516" rel="nofollow"><code>KT-70516</code></a> KxSerialization: <code>@KeepGeneratedSerializer</code> and sealed class cause initialization error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68752" rel="nofollow"><code>KT-68752</code></a> Serializable annotation on Java class is not taken into account in K2 checker</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68931" rel="nofollow"><code>KT-68931</code></a> JS/Native + serialization: partial linkage error</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69039" rel="nofollow"><code>KT-69039</code></a> FIR: Implement IDE-only checker for kotlinx.serialization compiler plugin to report IDE-only diagnostics</li> </ul> <h3>Tools. Fleet. ObjC Export</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68826" rel="nofollow"><code>KT-68826</code></a> ObjCExport: SerializersModuleBuilder</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68841" rel="nofollow"><code>KT-68841</code></a> ObjCExport: <code>@Deprecated</code> support</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68887" rel="nofollow"><code>KT-68887</code></a> ObjCExport: K1 text fixture <code>@Deprecated</code> support</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68051" rel="nofollow"><code>KT-68051</code></a> [ObjCExport] Support reserved method names</li> </ul> <h3>Tools. Gradle</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68651" rel="nofollow"><code>KT-68651</code></a> Compose: provide a single place in extension to configure all compose flags</li> </ul> <h4>Performance Improvements</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-61861" rel="nofollow"><code>KT-61861</code></a> Gradle: Kotlin compilations depend on packed artifacts</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69809" rel="nofollow"><code>KT-69809</code></a> Compose Gradle Plugin: AGP doesn't override configuration properties like traceMarkersEnabled</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65820" rel="nofollow"><code>KT-65820</code></a> Compatibility with Gradle 8.7 release</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69444" rel="nofollow"><code>KT-69444</code></a> Don't warn about missing Compose Compiler Gradle plugin in some cases</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67888" rel="nofollow"><code>KT-67888</code></a> Remove usages of deprecated Configuration.fileCollection() method</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68843" rel="nofollow"><code>KT-68843</code></a> Gradle: Kotlin plugin changes source set 'main' to 'null/main'</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67395" rel="nofollow"><code>KT-67395</code></a> Add new plugins to collector kotlin gradle performance</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68661" rel="nofollow"><code>KT-68661</code></a> Move ExperimentalWasmDsl to kotlin-gradle-plugin-annotations</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69837" rel="nofollow"><code>KT-69837</code></a> Deprecation warning for file-based IC is issued when the property is set to true, altering the intended meaning of the message</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69291" rel="nofollow"><code>KT-69291</code></a> Compose Gradle plugin: Enable strong skipping by default</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67766" rel="nofollow"><code>KT-67766</code></a> Build against Gradle API 8.7</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67889" rel="nofollow"><code>KT-67889</code></a> Run tests against Gradle 8.8 release</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65271" rel="nofollow"><code>KT-65271</code></a> Gradle: "Mutating dependency DefaultExternalModuleDependency after it has been finalized has been deprecated " with gradle 8.6-rc-3</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67822" rel="nofollow"><code>KT-67822</code></a> Deprecate JVM history files based incremental compilation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64378" rel="nofollow"><code>KT-64378</code></a> Compatibility with Gradle 8.6 release</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69414" rel="nofollow"><code>KT-69414</code></a> Compose: featureFlags override values of the deprecated compose options</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67771" rel="nofollow"><code>KT-67771</code></a> Compatibility with Gradle 8.8 release</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65528" rel="nofollow"><code>KT-65528</code></a> Migrate rest of Gradle integration tests to new Test DSL</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68306" rel="nofollow"><code>KT-68306</code></a> Project isolation for FUS statistics: Cannot access project ':' from project ':app' at org.jetbrains.kotlin.gradle.report.BuildMetricsService$ Companion.initBuildScanExtensionHolder</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67890" rel="nofollow"><code>KT-67890</code></a> Compile against Gradle 8.8 API artifact</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68773" rel="nofollow"><code>KT-68773</code></a> Kotlin 2.0.0 with Gradle 8.8: ConcurrentModificationException on BuildFusService configurationMetrics</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68308" rel="nofollow"><code>KT-68308</code></a> Project isolation for FUS statistics: An error is thrown at org.gradle.configurationcache.ProblemReportingCrossProjectModelAccess$ProblemReportingProject.getLayout</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61574" rel="nofollow"><code>KT-61574</code></a> Add project-isolation test for Kotlin/Android plugin</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65936" rel="nofollow"><code>KT-65936</code></a> Provide a detailed error for changing kotlin native version dependency.</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62684" rel="nofollow"><code>KT-62684</code></a> PropertiesBuildService should load extraProperties only once</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67288" rel="nofollow"><code>KT-67288</code></a> Test DSL should not fail the test if build scan publishing has failed</li> <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> <h3>Tools. Gradle. JS</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-70077" rel="nofollow"><code>KT-70077</code></a> [2.0.20-Beta2] KGP reports confusing warnings about js/wasmJS source sets</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69805" rel="nofollow"><code>KT-69805</code></a> YarnSetupTask does not work for custom downloadBaseUrl</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67444" rel="nofollow"><code>KT-67444</code></a> Gradle / JS: wrong type commonWebpackConfig.devServer.proxy</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-42923" rel="nofollow"><code>KT-42923</code></a> KJS: Resources are not available when running Karma tests</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68482" rel="nofollow"><code>KT-68482</code></a> KotlinNpmInstallTask is not compatible with configuration cache</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68072" rel="nofollow"><code>KT-68072</code></a> K/JS, K/Wasm: Module not found in transitive case</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68103" rel="nofollow"><code>KT-68103</code></a> K/JS, K/Wasm: Generation of test compilation's package.json requires main compilation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67924" rel="nofollow"><code>KT-67924</code></a> K/JS, K/Wasm: kotlinNpmInstall can rewrite root package.json</li> </ul> <h3>Tools. Gradle. Kapt</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-64627" rel="nofollow"><code>KT-64627</code></a> Kapt3KotlinGradleSubplugin uses property lookup that breaks project isolation</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61928" rel="nofollow"><code>KT-61928</code></a> Clarify parameter types in KaptArguments and KaptJavacOption</li> </ul> <h3>Tools. Gradle. Multiplatform</h3> <h4>New Features</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-56566" rel="nofollow"><code>KT-56566</code></a> Consider pre-generating DSL accessors for source sets with names corresponding to the default target hierarchy</li> </ul> <h4>Fixes</h4> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-66568" rel="nofollow"><code>KT-66568</code></a> w: KLIB resolver: The same 'unique_name=...' found in more than one library</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-65754" rel="nofollow"><code>KT-65754</code></a> Gradle: Commonized cinterop dependency configuration changes project description</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69406" rel="nofollow"><code>KT-69406</code></a> Deprecate combinations of KMP plugin with some Gradle Java plugins</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64109" rel="nofollow"><code>KT-64109</code></a> Using compileOnly/runtimeOnly dependencies in K/N-related configurations leads to odd behaviour</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69311" rel="nofollow"><code>KT-69311</code></a> runDebugExecutable task fails with "this.compilation" is null with enabled configuration cache</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69310" rel="nofollow"><code>KT-69310</code></a> w: KLIB resolver: The same 'unique_name=...' found in more than one library for diamond source set structures</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-61793" rel="nofollow"><code>KT-61793</code></a> KMP/AGP compatibility: Update the maximum tested AGP version to 8.3</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66209" rel="nofollow"><code>KT-66209</code></a> Accessing the source sets by name is confusing</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-62368" rel="nofollow"><code>KT-62368</code></a> Kotlin 1.9.X fails to detect kotlin.test.Test annotation reference on commonTest source set when targeting JVM+Android</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67110" rel="nofollow"><code>KT-67110</code></a> Usage of BuildOperationExecutor.getCurrentOpeartion internal Gradle API</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-58319" rel="nofollow"><code>KT-58319</code></a> kotlin.git: ProjectMetadataProviderImpl "Unexpected source set 'commonMain'"</li> </ul> <h3>Tools. Gradle. Native</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69918" rel="nofollow"><code>KT-69918</code></a> java.lang.NullPointerException: Cannot invoke "org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeCompilation.getTarget()" because "this.compilation" is null</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67935" rel="nofollow"><code>KT-67935</code></a> OverriddenKotlinNativeHomeChecker does not work well with relative paths</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64430" rel="nofollow"><code>KT-64430</code></a> Remove deprecated KotlinToolRunner(project) constructor</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-64427" rel="nofollow"><code>KT-64427</code></a> Stop using deprecated KotlinToolRunner(project) constructor call</li> </ul> <h3>Tools. Incremental Compile</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69042" rel="nofollow"><code>KT-69042</code></a> K2: changing a Java constant won't cause Kotlin usages to recompile</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-63476" rel="nofollow"><code>KT-63476</code></a> Investigate the debug output of JVM compilation in KMP IC smoke tests</li> </ul> <h3>Tools. JPS</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-63707" rel="nofollow"><code>KT-63707</code></a> JPS: "Multiple values are not allowed for" caused by Compose</li> </ul> <h3>Tools. Kapt</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-68145" rel="nofollow"><code>KT-68145</code></a> K2 KAPT: missing $annotations methods for const properties and private properties without accessors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67495" rel="nofollow"><code>KT-67495</code></a> File leak in when building with kapt</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66780" rel="nofollow"><code>KT-66780</code></a> K2 KAPT Kotlinc should exit with an exit code 1 (compilation error) if a Kapt task fails</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-66998" rel="nofollow"><code>KT-66998</code></a> K2 KAPT: Reimplement support for DefaultImpls</li> </ul> <h3>Tools. Scripts</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-69296" rel="nofollow"><code>KT-69296</code></a> scripting dependency resolution does not authenticate towards maven mirrors</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67575" rel="nofollow"><code>KT-67575</code></a> FromConfigurationsBase script definition unexpected behaviour with regex from gradle templates</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67066" rel="nofollow"><code>KT-67066</code></a> DeepCopyIrTreeWithSymbols does not copy IrScript nodes correctly</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67071" rel="nofollow"><code>KT-67071</code></a> K2: ScriptCompilationConfigurationFromDefinition is not serializable</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67063" rel="nofollow"><code>KT-67063</code></a> LauncherReplTest flaky on Windows</li> </ul> <h3>Tools. Wasm</h3> <ul> <li><a href="https://youtrack.jetbrains.com/issue/KT-70220" rel="nofollow"><code>KT-70220</code></a> K/Wasm: Upgrade NPM dependencies</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69245" rel="nofollow"><code>KT-69245</code></a> K/Wasm: Remove warning of working-in-progress</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-69154" rel="nofollow"><code>KT-69154</code></a> K/Wasm: wasmJsBrowserProductionRun flaky crash with "WebAssembly.instantiate(): Import ... function import requires a callable"</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-68930" rel="nofollow"><code>KT-68930</code></a> K/Wasm: Production run doesn not use optimize task result</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67901" rel="nofollow"><code>KT-67901</code></a> K/Wasm: Add kotlin-wasm-examples to CI</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67468" rel="nofollow"><code>KT-67468</code></a> Gradle task build (allTests) fails on default web project</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67980" rel="nofollow"><code>KT-67980</code></a> Wasm: Incorrect "Please choose a JavaScript environment to build distributions and run tests" when WASM is not configured</li> <li><a href="https://youtrack.jetbrains.com/issue/KT-67862" rel="nofollow"><code>KT-67862</code></a> K/Wasm: Make usage of ChromeWasmGc an error</li> </ul></div> </div> <div data-view-component="true" class="Box-footer"> <div class="mb-3"> <details open="open" 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="18" data-view-component="true" class="Counter ml-1">18</span> </summary> <div data-view-component="true"> <include-fragment loading="lazy" src="https://github.com/JetBrains/kotlin/releases/expanded_assets/v2.0.20" > <span data-view-component="true"> <svg style="box-sizing: content-box; color: var(--color-icon-primary);" 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