v1.8.0 is a minor release. Key changes include:

• KT-50255 Analysis API: Implement standalone mode for the Analysis API;
• KT-54292 Symbol Light classes: implement PsiVariable.computeConstantValue for light field.

v1.8.0-RC2 is a pre-release release. Key changes include:

• KT-55357 IllegalStateException when reading a class that delegates to a Java class with a definitely-not-null type with a flexible upper bound;
• KT-55068 Kotlin Gradle DSL: No mapping for symbol: VALUE_PARAMETER SCRIPT_IMPLICIT_RECEIVER on JVM IR backend.

v1.8.0-RC is a pre-release release. Key changes include:

• KT-55108 IR interpreter: Error occurred while optimizing an expression: VARARG;
• KT-54884 "StackOverflowError: null" caused by Enum constant name in constructor of the same Enum constant.

v1.7.22 is a patch release. Key changes include:

• This is a technical release. It doesn't contain any fixes that aren't included in Kotlin 1.7.21.;
• | File | Sha256 | | --- | --- | | kotlin-compiler-1.7.22.zip | 9db4b467743c1aea8a21c08e1c286bc2aeb93f14c7ba2037dbd8f48adc357d83 | | kotlin-native-linux-x86_64-….

v1.8.0-Beta is a pre-release release. Key changes include:

• KT-53013 Increase AGP compile version in KGP to 4.1.3;
• KT-53709 MPP, Android SSL2: Conflicting warnings for androidTest/kotlin source set folder.

v1.7.21 is a patch release. Key changes include:

• KT-54463 Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate;
• KT-54509 Ir Interpreter: unable to evaluate string concatenation with "this" as argument.

v1.7.20 is a patch release. Key changes include:

• 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.

v1.7.20-RC is a pre-release release. Key changes include:

• KT-53739 Builder inference, extension hides members;
• KT-53733 Kotlin/Native: update source documentation for the new default memory manager.

v1.7.20-Beta is a pre-release release. Key changes include:

• 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.

v1.7.10 is a patch release. Key changes include:

• KT-52702 Invalid locals information when compiling kotlinx.collections.immutable with Kotlin 1.7.0-RC2;
• KT-52892 Disappeared specific builder inference resolution ambiguity errors.

v1.7.0 is a minor release. Key changes include:

• KT-50864 Analysis API: ISE: "KtCallElement should always resolve to a KtCallInfo" is thrown on call resolution inside plusAssign target;
• KT-50252 Analysis API: Implement FirModuleResolveStates for libraries.

v1.7.0-RC2 is a pre-release release. Key changes include:

• KT-52311 java.lang.VerifyError: Bad type on operand stack;
• KT-52503 New green code appeared at the callable reference resolution.

v1.7.0-RC is a pre-release release. Key changes include:

• KT-51640 FIR: remove warning about "far from being production ready";
• KT-52404 Prolong deprecation cycle for errors at contravariant usages of star projected argument from Java.

v1.7.0-Beta is a pre-release release. Key changes include:

• KT-50864 Analysis API: ISE: "KtCallElement should always resolve to a KtCallInfo" is thrown on call resolution inside plusAssign target;
• KT-50252 Analysis API: Implement FirModuleResolveStates for libraries.

v1.6.21 is a patch release. Key changes include:

• KT-51979 "AssertionError: No modifier list, but modifier has been found by the analyzer" exception on incorrect Java interface override;
• KT-51893 Duplicated [OVERRIDE_DEPRECATION] on overridden properties.

v1.6.20 is a patch release. Key changes include:

• KT-48217 Add an annotation JvmDefaultWithCompatibility to allow generating DefaultImpls classes if -Xjvm-default=all option is used;
• KT-49929 [FIR] Support programmatic creation of annotation class instances.

v1.6.20-RC2 is a pre-release release. Key changes include:

• KT-51352 "ClassCastException: class ScopeCoroutine cannot be cast to class Iterable" caused by coroutines and context receivers;
• KT-51271 "ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3" with inlining of context function.

v1.6.20-RC is a pre-release release. Key changes include:

• KT-51302 Kotlin/Native 1.6.20-M1 compiler fails because of assertion in NativeAnnotationImplementationTransformer;
• KT-51148 "AssertionError: At this stage there should be no remaining variables with proper constraints" caused by two type parameters.

v1.6.20-M1 is a pre-release release. Key changes include:

• KT-48217 Add an annotation JvmDefaultWithCompatibility to allow generating DefaultImpls classes if -Xjvm-default=all option is used;
• KT-49857 Require Xcode 13 for building Kotlin/Native compiler.

v1.8.0 is a minor release. Key changes include:

• KT-50255 Analysis API: Implement standalone mode for the Analysis API;
• KT-54292 Symbol Light classes: implement PsiVariable.computeConstantValue for light field.

v1.8.0-RC2 is a pre-release release. Key changes include:

• KT-55357 IllegalStateException when reading a class that delegates to a Java class with a definitely-not-null type with a flexible upper bound;
• KT-55068 Kotlin Gradle DSL: No mapping for symbol: VALUE_PARAMETER SCRIPT_IMPLICIT_RECEIVER on JVM IR backend.

v1.8.0-RC is a pre-release release. Key changes include:

• KT-55108 IR interpreter: Error occurred while optimizing an expression: VARARG;
• KT-54884 "StackOverflowError: null" caused by Enum constant name in constructor of the same Enum constant.

v1.7.22 is a patch release. Key changes include:

• This is a technical release. It doesn't contain any fixes that aren't included in Kotlin 1.7.21.;
• | File | Sha256 | | --- | --- | | kotlin-compiler-1.7.22.zip | 9db4b467743c1aea8a21c08e1c286bc2aeb93f14c7ba2037dbd8f48adc357d83 | | kotlin-native-linux-x86_64-….

v1.8.0-Beta is a pre-release release. Key changes include:

• KT-53013 Increase AGP compile version in KGP to 4.1.3;
• KT-53709 MPP, Android SSL2: Conflicting warnings for androidTest/kotlin source set folder.

v1.7.21 is a patch release. Key changes include:

• KT-54463 Delegating to a field with a platform type causes java.lang.NoSuchFieldError: value$delegate;
• KT-54509 Ir Interpreter: unable to evaluate string concatenation with "this" as argument.

v1.7.20 is a patch release. Key changes include:

• 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.

v1.7.20-RC is a pre-release release. Key changes include:

• KT-53739 Builder inference, extension hides members;
• KT-53733 Kotlin/Native: update source documentation for the new default memory manager.

v1.7.20-Beta is a pre-release release. Key changes include:

• 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.

v1.7.10 is a patch release. Key changes include:

• KT-52702 Invalid locals information when compiling kotlinx.collections.immutable with Kotlin 1.7.0-RC2;
• KT-52892 Disappeared specific builder inference resolution ambiguity errors.

v1.7.0 is a minor release. Key changes include:

• KT-50864 Analysis API: ISE: "KtCallElement should always resolve to a KtCallInfo" is thrown on call resolution inside plusAssign target;
• KT-50252 Analysis API: Implement FirModuleResolveStates for libraries.

v1.7.0-RC2 is a pre-release release. Key changes include:

• KT-52311 java.lang.VerifyError: Bad type on operand stack;
• KT-52503 New green code appeared at the callable reference resolution.

v1.7.0-RC is a pre-release release. Key changes include:

• KT-51640 FIR: remove warning about "far from being production ready";
• KT-52404 Prolong deprecation cycle for errors at contravariant usages of star projected argument from Java.

v1.7.0-Beta is a pre-release release. Key changes include:

• KT-50864 Analysis API: ISE: "KtCallElement should always resolve to a KtCallInfo" is thrown on call resolution inside plusAssign target;
• KT-50252 Analysis API: Implement FirModuleResolveStates for libraries.

v1.6.21 is a patch release. Key changes include:

• KT-51979 "AssertionError: No modifier list, but modifier has been found by the analyzer" exception on incorrect Java interface override;
• KT-51893 Duplicated [OVERRIDE_DEPRECATION] on overridden properties.

v1.6.20 is a patch release. Key changes include:

• KT-48217 Add an annotation JvmDefaultWithCompatibility to allow generating DefaultImpls classes if -Xjvm-default=all option is used;
• KT-49929 [FIR] Support programmatic creation of annotation class instances.

v1.6.20-RC2 is a pre-release release. Key changes include:

• KT-51352 "ClassCastException: class ScopeCoroutine cannot be cast to class Iterable" caused by coroutines and context receivers;
• KT-51271 "ArrayIndexOutOfBoundsException: Index 3 out of bounds for length 3" with inlining of context function.

v1.6.20-RC is a pre-release release. Key changes include:

• KT-51302 Kotlin/Native 1.6.20-M1 compiler fails because of assertion in NativeAnnotationImplementationTransformer;
• KT-51148 "AssertionError: At this stage there should be no remaining variables with proper constraints" caused by two type parameters.

v1.6.20-M1 is a pre-release release. Key changes include:

• KT-48217 Add an annotation JvmDefaultWithCompatibility to allow generating DefaultImpls classes if -Xjvm-default=all option is used;
• KT-49857 Require Xcode 13 for building Kotlin/Native compiler.