Sourced fromkotlin-stdlib's releases.

Kotlin 1.7.20

1.7.20

Analysis API

• KT-52667 FIR IDE: fun interfaces (SAM interfaces) are not properly resolved
• KT-52136 FIR: Implicit type declaration from the other module cannot be used for overloading

Analysis API. FE1.0

• KT-51962 Analysis API: Finish Analysis API for FE1.0

Analysis API. FIR

• KT-52779 FIR IDE: Import Optimizer cannot handle generic type qualifiers
• KT-50236 Fix OOB modification trackers for non-Kotlin code
• KT-51240 Analysis API: KtAnalysisSession for a specific module cannot create a symbol for PSI that cannot be seen from that module.
• KT-50868 Analysis API: decompiled type aliases are not resolved

Compiler

• KT-53739 Builder inference, extension hides members
• KT-53733 Kotlin/Native: update source documentation for the new default memory manager
• KT-53667 Compiler crashes on attempt to alloc a string on the stack in new MM
• KT-53480 Internal error in file lowering: java.lang.ClassNotFoundException: com.android.systemui.R$string
• KT-52843 Compose: NPE at Parameters.getParameterByDeclarationSlot if inline function with default arguments takes a lambda which captures value class represented by Long
• KT-53475 Kotlin/Native for iOS: "IllegalArgumentException: Sequence has more than one element"

New Features

• KT-52495 Support until operator in back-ends
• KT-52420 Implement resolve of until operator
• KT-52419 Implement until operator in the parser
• KT-33755 Kotlin/Native: Provide a way to customize a bundle Identifier of a generated framework
• KT-51665 FIR: implement label resolve for "typed this" case
• KT-52361 Report warning on potentially empty intersection types

Performance Improvements

• KT-47816 Disable script discovery for non-script environments
• KT-48635 JVM IR: Double/Float values are boxed when comparing for equality in equals method of data/value classes
• KT-23397 Optimize out field for property delegate when it's safe (JVM)

Fixes

• KT-53272 Backend Internal error: Exception during IR lowering / No such value argument slot: 2
• KT-53124 Receiver type mismatch when combining extension properties, type projections, Java sources, and F-bounded type-variables
• KT-51868 JVM / IR: Inconsistent behaviour between lambda expression and SAM interface conversion for the same interface
• KT-36770 Prohibit unsafe calls with expected@NotNull T and given Kotlin generic parameter with nullable bound
• KT-52974 "IllegalStateException: Symbol with IrSimpleFunctionSymbolImpl is unbound" compiling native targets of MPP project
• KT-53007 JVM: "Bad invokespecial instruction: current class isn't assignable to reference class" when call superclass of outer class method from inner class

... (truncated)

Sourced fromkotlin-stdlib's changelog.

1.7.20

Analysis API

• KT-52667 FIR IDE: fun interfaces (SAM interfaces) are not properly resolved
• KT-52136 FIR: Implicit type declaration from the other module cannot be used for overloading

Analysis API. FE1.0

• KT-51962 Analysis API: Finish Analysis API for FE1.0

Analysis API. FIR

• KT-52779 FIR IDE: Import Optimizer cannot handle generic type qualifiers
• KT-50236 Fix OOB modification trackers for non-Kotlin code
• KT-51240 Analysis API: KtAnalysisSession for a specific module cannot create a symbol for PSI that cannot be seen from that module.
• KT-50868 Analysis API: decompiled type aliases are not resolved

Compiler

• KT-53739 Builder inference, extension hides members
• KT-53733 Kotlin/Native: update source documentation for the new default memory manager
• KT-53667 Compiler crashes on attempt to alloc a string on the stack in new MM
• KT-53480 Internal error in file lowering: java.lang.ClassNotFoundException: com.android.systemui.R$string
• KT-52843 Compose: NPE at Parameters.getParameterByDeclarationSlot if inline function with default arguments takes a lambda which captures value class represented by Long
• KT-53475 Kotlin/Native for iOS: "IllegalArgumentException: Sequence has more than one element"

New Features

• KT-52495 Support until operator in back-ends
• KT-52420 Implement resolve of until operator
• KT-52419 Implement until operator in the parser
• KT-33755 Kotlin/Native: Provide a way to customize a bundle Identifier of a generated framework
• KT-51665 FIR: implement label resolve for "typed this" case
• KT-52361 Report warning on potentially empty intersection types

Performance Improvements

• KT-47816 Disable script discovery for non-script environments
• KT-48635 JVM IR: Double/Float values are boxed when comparing for equality in equals method of data/value classes
• KT-23397 Optimize out field for property delegate when it's safe (JVM)

Fixes

• KT-53272 Backend Internal error: Exception during IR lowering / No such value argument slot: 2
• KT-53124 Receiver type mismatch when combining extension properties, type projections, Java sources, and F-bounded type-variables
• KT-51868 JVM / IR: Inconsistent behaviour between lambda expression and SAM interface conversion for the same interface
• KT-36770 Prohibit unsafe calls with expected@NotNull T and given Kotlin generic parameter with nullable bound
• KT-52974 "IllegalStateException: Symbol with IrSimpleFunctionSymbolImpl is unbound" compiling native targets of MPP project
• KT-53007 JVM: "Bad invokespecial instruction: current class isn't assignable to reference class" when call superclass of outer class method from inner class
• KT-53019 K2: cannot cast callable reference to Function1 in runtime

... (truncated)

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