v1.3-rc4 is a pre-release release. Key changes include:

• KT-26858 Inline class access to private companion object value fails with NSME;
• KT-27030 Non-capturing lambda in inline class members fails with internal error (NPE in genClosure).

v1.3-rc3 is a pre-release release. Key changes include:

• KT-26300 Smartcasts don't work if pass same fields of instances of the same class in contract function with conjunction not-null condition;
• KT-27221 Incorrect smart cast for sealed classes with a multilevel hierarchy.

v1.3-rc2 is a pre-release release. Key changes include:

• KT-27006 Android extensions are not recognised by IDE in multiplatform projects;
• KT-27008 Compiler plugins are not working in multiplatform projects with Android target.

v1.2.71 is a patch release. Key changes include:

• KT-26806 Defining constants using kotlin.math is broken in 1.2.70;
• KT-26399 Kotlin Migration: NPE at KotlinMigrationProjectComponent$onImportFinished$1.run().

v1.3-rc is a pre-release release. Key changes include:

• KT-17679 Support suspend fun main in JVM;
• KT-24854 Support suspend function types for arities bigger than 22.

v1.2.70 is a patch release. Key changes include:

• KT-13860 Avoid creating KtImportDirective PSI elements for default imports in LazyImportScope;
• KT-22201 Generate nullability annotations for data class toString and equals methods..

v1.2.70-eap-40 is a pre-release release. Key changes include:

• KT-20772 Incorrect smart cast on enum members;
• KT-24657 Compiler performance issues with big files.

v1.3-M2 is a pre-release release. Key changes include:

• KT-6592 Support local variable initialization in lambda arguments to some functions;
• KT-19323 Allow generic type parameter to have mixed constraints for @InlineOnly functions.

v1.2.61 is a patch release. Key changes include:

• KT-25622 IDE support for RecentlyNullable/RecentlyNonNull;
• KT-26036 Kotlin 1.2.60 LightAnnotations and Lombok.

v1.2.70-eap-4 is a pre-release release. Key changes include:

• KT-13860 Avoid creating KtImportDirective PSI elements for default imports in LazyImportScope;
• KT-22201 Generate nullability annotations for data class toString and equals methods..

v1.2.60 is a patch release. Key changes include:

• KT-13762 Prohibit annotations with target 'EXPRESSION' and retention 'BINARY' or 'RUNTIME';
• KT-18882 Allow code to have platform specific annotations when compiled for different platforms.

v1.2.60-eap-75 is a pre-release release. Key changes include:

• KT-22517 Deprecate smartcasts for local delegated properties;
• KT-24911 Kotlin 1.2.50: UI for @RecentlyNonNull looks strange in the editor.

v1.3-M1 is a pre-release release. Key changes include:

• KEEP-104 Inline classes;
• KEEP-135 Unsigned integer types.

v1.2.60-eap-44 is a pre-release release. Key changes include:

• KT-18882 Allow code to have platform specific annotations when compiled for different platforms;
• KT-24617 Optional expected annotation is unresolved in a dependent platform module.

v1.2.60-eap-27 is a pre-release release. Key changes include:

• KT-20356 Internal compiler error - This method shouldn't be invoked for INVISIBLE_FAKE visibility;
• KT-23153 Compiler allows to set non constant value as annotation parameter.

v1.2.51 is a patch release. Key changes include:

• KT-23943 Wrong autoboxing for non-null inline class inside elvis with null constant;
• KT-24952 EnumConstantNotPresentExceptionProxy from Java reflection on annotation class with target TYPE on JVM < 8.

v1.2.60-eap-7 is a pre-release release. Key changes include:

• KT-23413 IndexOutOfBoundsException on local delegated properties from provideDelegate if there's at least one non-local delegated property;
• KT-23742 Optimise inline class redundant boxing on return from inlined lambda.

v1.2.50 is a patch release. Key changes include:

• KT-23360 Do not serialize annotations with retention SOURCE to metadata;
• KT-24278 Hard-code to kotlin compiler annotation for android library migration.

v1.2.50-eap-62 is a pre-release release. Key changes include:

• KT-23360 Do not serialize annotations with retention SOURCE to metadata;
• KT-24278 Hard-code to kotlin compiler annotation for android library migration.

v1.2.50-eap-17 is a pre-release release. Key changes include:

• KT-23360 Do not serialize annotations with retention SOURCE to metadata;
• KT-24278 Hard-code to kotlin compiler annotation for android library migration.

v1.2.41 is a patch release. Key changes include:

• KT-23901 Incremental compilation fails on Java 9;
• KT-23931 Exception on optimizing eternal loops.

v1.2.40 is a patch release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.

v1.2.40-eap-62 is a pre-release release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.

v1.2.40-eap-51 is a pre-release release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.

v1.2.40-eap-16 is a pre-release release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.

v1.3-rc4 is a pre-release release. Key changes include:

• KT-26858 Inline class access to private companion object value fails with NSME;
• KT-27030 Non-capturing lambda in inline class members fails with internal error (NPE in genClosure).

v1.3-rc3 is a pre-release release. Key changes include:

• KT-26300 Smartcasts don't work if pass same fields of instances of the same class in contract function with conjunction not-null condition;
• KT-27221 Incorrect smart cast for sealed classes with a multilevel hierarchy.

v1.3-rc2 is a pre-release release. Key changes include:

• KT-27006 Android extensions are not recognised by IDE in multiplatform projects;
• KT-27008 Compiler plugins are not working in multiplatform projects with Android target.

v1.2.71 is a patch release. Key changes include:

• KT-26806 Defining constants using kotlin.math is broken in 1.2.70;
• KT-26399 Kotlin Migration: NPE at KotlinMigrationProjectComponent$onImportFinished$1.run().

v1.3-rc is a pre-release release. Key changes include:

• KT-17679 Support suspend fun main in JVM;
• KT-24854 Support suspend function types for arities bigger than 22.

v1.2.70 is a patch release. Key changes include:

• KT-13860 Avoid creating KtImportDirective PSI elements for default imports in LazyImportScope;
• KT-22201 Generate nullability annotations for data class toString and equals methods..

v1.2.70-eap-40 is a pre-release release. Key changes include:

• KT-20772 Incorrect smart cast on enum members;
• KT-24657 Compiler performance issues with big files.

v1.3-M2 is a pre-release release. Key changes include:

• KT-6592 Support local variable initialization in lambda arguments to some functions;
• KT-19323 Allow generic type parameter to have mixed constraints for @InlineOnly functions.

v1.2.61 is a patch release. Key changes include:

• KT-25622 IDE support for RecentlyNullable/RecentlyNonNull;
• KT-26036 Kotlin 1.2.60 LightAnnotations and Lombok.

v1.2.70-eap-4 is a pre-release release. Key changes include:

• KT-13860 Avoid creating KtImportDirective PSI elements for default imports in LazyImportScope;
• KT-22201 Generate nullability annotations for data class toString and equals methods..

v1.2.60 is a patch release. Key changes include:

• KT-13762 Prohibit annotations with target 'EXPRESSION' and retention 'BINARY' or 'RUNTIME';
• KT-18882 Allow code to have platform specific annotations when compiled for different platforms.

v1.2.60-eap-75 is a pre-release release. Key changes include:

• KT-22517 Deprecate smartcasts for local delegated properties;
• KT-24911 Kotlin 1.2.50: UI for @RecentlyNonNull looks strange in the editor.

v1.3-M1 is a pre-release release. Key changes include:

• KEEP-104 Inline classes;
• KEEP-135 Unsigned integer types.

v1.2.60-eap-44 is a pre-release release. Key changes include:

• KT-18882 Allow code to have platform specific annotations when compiled for different platforms;
• KT-24617 Optional expected annotation is unresolved in a dependent platform module.

v1.2.60-eap-27 is a pre-release release. Key changes include:

• KT-20356 Internal compiler error - This method shouldn't be invoked for INVISIBLE_FAKE visibility;
• KT-23153 Compiler allows to set non constant value as annotation parameter.

v1.2.51 is a patch release. Key changes include:

• KT-23943 Wrong autoboxing for non-null inline class inside elvis with null constant;
• KT-24952 EnumConstantNotPresentExceptionProxy from Java reflection on annotation class with target TYPE on JVM < 8.

v1.2.60-eap-7 is a pre-release release. Key changes include:

• KT-23413 IndexOutOfBoundsException on local delegated properties from provideDelegate if there's at least one non-local delegated property;
• KT-23742 Optimise inline class redundant boxing on return from inlined lambda.

v1.2.50 is a patch release. Key changes include:

• KT-23360 Do not serialize annotations with retention SOURCE to metadata;
• KT-24278 Hard-code to kotlin compiler annotation for android library migration.

v1.2.50-eap-62 is a pre-release release. Key changes include:

• KT-23360 Do not serialize annotations with retention SOURCE to metadata;
• KT-24278 Hard-code to kotlin compiler annotation for android library migration.

v1.2.50-eap-17 is a pre-release release. Key changes include:

• KT-23360 Do not serialize annotations with retention SOURCE to metadata;
• KT-24278 Hard-code to kotlin compiler annotation for android library migration.

v1.2.41 is a patch release. Key changes include:

• KT-23901 Incremental compilation fails on Java 9;
• KT-23931 Exception on optimizing eternal loops.

v1.2.40 is a patch release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.

v1.2.40-eap-62 is a pre-release release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.

v1.2.40-eap-51 is a pre-release release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.

v1.2.40-eap-16 is a pre-release release. Key changes include:

• KT-22703 Allow expect/actual annotation constructors to have default values;
• KT-19159 Support crossinline lambda parameters of suspend function type.