Kotlin v2.5.0-Beta2 released!

NewsBot · 21 October 2026 12:25

Kotlin v2.5.0-Beta2 has been released.

Changelog

Analysis API

KT-60484 Analysis API: add support for KtType pointers similar to KtSymbolPointer

KT-67786 Analysis API: Implement improved KtType hierarchy and design

KT-68462 Analysis API: Integrate project-structure module into analysis-api and analysis-api-platform-interface

KT-68341 Analysis API: Expanded function types from libraries don’t have an abbreviated type

KT-68857 Analysis API: Refactor annotations

KT-65215 Analysis API: Distinguish APIs for Analysis API users and platforms

KT-68884 Analysis API: Rename/deprecate/remove declarations as part of Stabilization

KT-69055 Analysis API: Stabilize KaScopes

KT-61775 Analysis API: KtKClassAnnotationValue lacks complete type information

KT-60884 Analysis API: Improve standalone mode project model creation

Analysis API. FIR

Performance Improvements

KT-60240 K2: optimize FirElementBuilder#getOrBuildFirForNonKtFileElement for KtTypeReference case

KT-76375 ContextCollector: terminate search if no elements were found with a designation

KT-86758 Don’t require body resolution to obtain an explicit backing field

KT-75496 Doesn’t resolve the entire designation path to the body phase for diagnostics

Fixes

[KT-74654]…

Link: Release Kotlin 2.5.0-Beta2 · JetBrains/kotlin · GitHub