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Kotlin 2.1.20-RC3

Changelog

Compiler

• KT-75578 K2: False negative [SUPER_CALL_WITH_DEFAULT_PARAMETERS] when calling the upper-class implementation of a method with the default value argument
• KT-75965 The iOS app did not run successfully in Release mode

Native

• KT-75807 CMP caching fails for iOS with Kotlin 2.1.20-RC2

Kotlin 2.1.20-RC2

Changelog

Compiler

• KT-75649 K2: NPE on assigning platform type value to non-nullable lateinit var
• KT-75483 Native: redundant unboxing generated with smart cast
• KT-75526 Regression in K2 scripting: local name doesn't shadow one from the implicit receiver
• KT-75444 Contradictions in the constraint system are ignored in case of multiple constraints from forking points
• KT-75111 False negative "This declaration needs opt-in" for usage of enum entry with OptIn marker in another module
• KT-74764 Native: merge init nodes generated within the same LLVM module for the same klib

Compose compiler

• CMP-7571 1.8.0-alpha03 incompatible with Compose based on k1
• b/397855145 Fix "Unknown file" error in target annotation inference

JavaScript

• KT-75606 KJS: java.lang.AssertionError: Different declarations with the same signatures were detected
• KT-72437 KJS. Invalid copy method for inherited JSO with type parameters

Klibs

• KT-75393 Non-JVM artifacts from Kotlin 2.1.20-RC fail on 2.1.x releases due to IMPLICIT_ARGUMENT

Native

• KT-70202 Xcode 16 Linker fails with SIGBUS

Tools. Compiler Plugins

• KT-73897 PowerAssert: Implicit argument detection is brittle in a number of cases

Tools. Gradle

• KT-73842 Gradle: AGP failing tests with "Failed to calculate the value of property 'generalConfigurationMetrics'" using KGP

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