Kotlin v1.9.20-Beta released!

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Kotlin v1.9.20-Beta has been released.

Changelog

Analysis API

New Features

• KT-58834 Analysis API: Add source shadowing feature to resolve extensions

Performance Improvements

• KT-57515 LL FIR: Performance bottleneck in CompositeModificationTracker.getModificationCount
• KT-59266 K2: optimize FirElementBuilder.getOrBuildFir for elements outside body
• KT-59454 K2: drop resolve from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations
• KT-59453 K2: completion regression from org.jetbrains.kotlin.analysis.api.fir.components.KtFirVisibilityChecker#collectContainingDeclarations
• KT-59189 Analysis API: KtFirKDocReference.resolveToSymbols…

Link: Release Kotlin 1.9.20-Beta · JetBrains/kotlin · GitHub