Kotlin 1.2.50 EAP 1

1.2.50

Compiler

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

Backend. JS

• KT-23582 JS: Fails to inline, produces bad code
• KT-24335 JS: Invalid implement of external interface

Backend. JVM

• KT-12330 Slightly improve generated bytecode for data class equals/hashCode methods
• KT-22063 Add intrinsics for javaObjectType and javaPrimitiveType
• KT-23704 Unstable checkExpressionValueIsNotNull() generation in bytecode
• KT-23707 Unstable bridge generation order
• KT-23910 @jvmoverloads doesn't work with default arguments in common code
• KT-18576 Debugger fails to show decomposed suspend lambda parameters
• KT-23402 Internal error: Couldn't inline method call because the compiler couldn't obtain compiled body for inline function with reified type parameter

Frontend

• KT-23760 Unable to implement common interface with fun member function with typealiased parameter
• KT-21129 Unused parameter in property setter is not reported
• KT-23589 Report a warning on local annotation classes
• KT-23124 Kotlin multiplatform project causes IntelliJ build errors
• KT-23209 Compiler throwing frontend exception
• KT-21157 Kotlin script: engine can take forever to eval certain code after several times
• KT-22740 REPL slows down during extensions compiling

IDE

• KT-19055 Idea hangs on copy-paste big Kotlin files
• KT-15019 Editor: args reference in .kts file is red
• KT-18769 Expand Selection on opening curly brace should select the entire block right away
• KT-20605 Unresolved reference on instance from common module function
• KT-20824 Type mismatch for common function taking a non-mapped Kotlin's expected class from stdlib-common, with actual typealias on JVM
• KT-20897 Can't navigate to declaration after PsiInvalidElementAccessException exception
• KT-22868 Implementing an expected class declaration using actual typealias produces "good code that is red"
• KT-23745 Unable to implement common interface
• KT-23975 Move Kotlin internal actions under Idea Internal actions menu
• KT-24268 Other main menu item
• KT-22527 Kotlin UAST does not evaluate values inside delegation expressions
• KT-23557 Expression Bodies should have implicit return in Uast
• KT-23384 Hotspot in org.jetbrains.kotlin.idea.caches.resolve.IDELightClassGenerationSupport.getKotlinInternalClasses(FqName, GlobalSearchScope) IDELightClassGenerationSupport.kt ?

IDE. Configuration

• KT-10935 Add menu entry to create new kotlin .kts scripts
• KT-23638 Kotlin plugin breaks project opening for PhpStorm/WebStorm
• KT-23980 Move "Update Channel" from "Configure Kotlin Plugin Updates" to settings

IDE. Debugger

• KT-23886 Both java and kotlin breakpoints in kotlin files
• KT-24136 Debugger: update drop-down menu for the line with lambdas

IDE. Editing

• KT-2582 When user inputs triple quote, add matching triple quote automatically
• KT-23235 Super slow editing with auto imports enabled
• KT-5206 Long lists of arguments are not foldable
• KT-23457 Auto-import and Import quick fix do not suggest classes from common module [Common test can't find class with word Abstract in name.]

IDE. Gradle

• KT-23234 Test names for tests containing inner classes are sporadically reported to teamcity runs.
• KT-23383 Optional plugin dependency for kotlin gradle plugin 'java' subsystem dependent features
• KT-22588 Resolver for 'project source roots and libraries for platform JVM' does not know how to resolve on Gradle Kotlin DSL project without Java and Kotlin
• KT-23616 Synchronize script dependencies not at Gradle Sync

IDE. Inspections and Intentions

New Features

• KT-7822 Convert foreach to for loop should place caret on the variable declaration
• KT-9943 Quick fix/Intention to indent a raw string
• KT-16085 Inspection "main should return Unit"
• KT-20305 Inspection: Refactor sealed sub-class to object
• KT-21413 Missing inspection: parentheses can be deleted when the only constructor parameter is a function not existing
• KT-23137 Intention for converting to block comment and vise versa
• KT-23266 Add intention(s) to put arguments / parameters on one line
• KT-23419 Intention to replace vararg with array and vice versa
• KT-23617 Add inspection: redundant internal in local anonymous object / class
• KT-23775 IntelliJ plugin: improve "accessor call that can be replaced with property"
• KT-24235 Inspection to replace async.await with withContext
• KT-24263 Add Make variable immutable quickfix for const

Performance Improvements

• KT-23566 "Can be private" works on ResolutionResultsCache.kt (from Kotlin project) enormously slow

Fixes

• KT-6364 Incorrect quick-fixes are suggested for nullable extension function call
• KT-11156 Incorrect highlighting for nested class in "Redundant SAM-constructor" inspection
• KT-11427 "Replace if with when" does not take break / continue into account
• KT-11740 Invert if condition intention should not remove line breaks
• KT-12042 "Merge with next when" is not applicable when the statements delimited by semicolon or comment
• KT-12168 "Remove explicit type specification" intention produce incompilable code in case of function type
• KT-14391 RemoveUnnecessaryParenthesesIntention lost comment on closing parenthesis
• KT-14556 Quickfix to suggest use of spread operator does not work with mapOf
• KT-15195 Redundant parentheses shouldn't be reported if lambda is not on the same line
• KT-19629 "Convert to primary constructor" quick fix should not move init{...} section down
• KT-20332 Unused property declaration suppression by annotation doesn't work if annotation is targeted to getter
• KT-22092 Intention "Specify return type explicitly": Propose types from overriden declarations
• KT-22632 Gutter icon "go to actual declaration" is absent for enum values on actual side
• KT-22741 Wrong suggestion for Replace 'if' expression with elvis expression
• KT-22831 Inspection for converting to elvis operator does not work for local vars
• KT-22860 "Add annotation target" quick fix does not take...

Kotlin 1.2.41

Compiler: Fixes

• KT-23901 Incremental compilation fails on Java 9
• KT-23931 Exception on optimizing eternal loops
• KT-23900 Exception on some cases with nested arrays
• KT-23809 Exception on processing complex hierarchies with suspend functions when -Xdump-declarations-to is active

Other changes

• KT-23973 New compiler behavior lead to ambiguous mappings in Spring Boot temporarily reverted

Kotlin 1.2.40

Compiler

New Features

• KT-22703 Allow expect/actual annotation constructors to have default values
• KT-19159 Support crossinline lambda parameters of suspend function type
• KT-21913 Support default arguments for expected declarations
• KT-19120 Provide extra compiler arguments in ScriptTemplateDefinition
• KT-19415 Introduce @JvmDefault annotation
• KT-21515 Restrict visibility of classifiers inside companion objects

Performance Improvements

• KT-10057 Use lcmp instruction instead of kotlin/jvm/internal/Intrinsics.compare
• KT-14258 Suboptimal codegen for private fieldaccess to private field in companion object
• KT-18731 == between enums should use reference equality, not Intrinsics.areEqual().
• KT-22714 Unnecessary checkcast to array of object from an array of specific type
• KT-5177 Optimize code generation for for loop with withIndex()
• KT-19477 Allow to implement several common modules with a single platform module
• KT-21347 Add compiler warning about using kotlin-stdlib-jre7 or kotlin-stdlib-jre8 artifacts

Fixes

• KT-16424 Broken bytecode for nullable generic methods
• KT-17171 ClassCastException in case of SAM conversion with out variance
• KT-19399 Incorrect bytecode generated for inline functions in some complex cases
• KT-21696 Incorrect warning for use-site target on extension function
• KT-22031 Non-abstract expect classes should not have abstract members
• KT-22260 Never flag inline suspend fun with NOTHING_TO_INLINE
• KT-22352 Expect/actual checker can't handle properties and functions with the same name
• KT-22652 Interface with default overrides is not perceived as a SAM
• KT-22904 Incorrect bytecode generated for withIndex iteration on Array<Int>
• KT-22906 Invalid class name generated for lambda created from method reference in anonymous object
• KT-23044 Overriden public property with internal setter cannot be found in runtime
• KT-23104 Incorrect code generated for LHS of an intrinsified in operator in case of generic type substituted with Character
• KT-23309 Minor spelling errors in JVM internal error messages
• KT-22001 JS: compiler crashes on += with "complex" receiver
• KT-23239 JS: Default arguments for non-final member function support is missing for MPP
• KT-17091 Converting to SAM Java type appends non-deterministic hash to class name
• KT-21521 Compilation exception when trying to compile a suspend function with tailrec keyword
• KT-21605 Cross-inlined coroutine with captured outer receiver creates unverifiable code
• KT-21864 Expect-actual matcher doesn't consider generic upper bounds
• KT-21906 ACTUAL_MISSING is reported for actual constructor of non-actual class
• KT-21939 Improve ACTUAL_MISSING diagnostics message
• KT-22513 Flaky "JarURLConnection.getUseCaches" NPE during compilation when using compiler plugins

Libraries

• KT-11208 readLine() shouldn't use buffered reader

IDE

New Features

• KT-10368 Run Action for Kotlin Scratch Files
• KT-16892 Shortcut to navigate between header and impl
• KT-23005 Support prefix/suffix attributes for language injection in Kotlin with annotations and comments

Performance Improvements

• KT-19484 KotlinBinaryClassCache retains a lot of memory
• KT-23183 ConfigureKotlinNotification.getNotificationString() scans modules with Kotlin files twice
• KT-23380 Improve IDE performance when working with Spring projects

Fixes

• KT-15482 KotlinNullPointerException in IDE from expected class with nested class
• KT-15739 Internal visibility across common and platform-dependent modules
• KT-19025 Not imported build.gradle.kts is all red
• KT-19165 IntelliJ should suggest to reload Gradle projects when build.gradle.kts changes
• KT-20282 'Move statement up' works incorrectly for statement after finally block if try block contains closure
• KT-20521 Kotlin Gradle script: valid build.gradle.kts is red and becomes normal only after reopening the project
• KT-20592 KotlinNullPointerException: nested class inside expect / actual interface
• KT-21013 "Move statement up/down" fails for multiline declarations
• KT-21420 .gradle.kts editor should do no semantic highlighting until the first successful dependency resolver response
• KT-21683 Language injection: JPAQL. Injection should be present for "query" parameter of @NamedNativeQueries
• KT-21745 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Maven
• KT-21746 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Gradle
• KT-21753 Language injection: SpEL. Not injected for key in @Caching
• KT-21771 All annotations in Annotations.kt from kotlin-test-js module wrongly have ACTUAL_MISSING
• KT-21831 Opening class from kotlin-stdlib-jdk8.jar fails with EE: "Stub list in ... length differs from PSI"
• KT-22229 Kotlin local delegated property Import auto-removed with "Java: Optimize imports on the fly"
• KT-22724 ISE: "psiFile must not be null" at KotlinNodeJsRunConfigurationProducer.setupConfigurationFromContext()
• KT-22817 Hitting 'Propagate Parameters' in Change Signature throws UnsupportedOperationException
• KT-22851 Apply button is always active on Kotlin compiler settings tab
• KT-22858 Multiplatform: String constructor parameter is reported in Java file of jvm module on creation of a new instance of a class from common module
• KT-22865 Support multiple expectedBy dependencies when importing project from Gradle or Maven
• KT-22873 Common module-based light classes do not see JDK
• KT-22874 Exception on surround with "if else" when resulting if should be wrapped with ()
• KT-22925 Unable to view Type Hierarchy from constructor call in expression
• KT-22926 Confusing behavior of Type Hierarchy depending on the caret position at superclass constructor
• KT-23097 Enhance multiplatform project wizard
• KT-23271 Warn about using kotlin-stdlib-jre* libs in dependencyManagement section in Maven with eap and dev Kotlin versions
• KT-20672 IDE can't resolve references to elements from files with @JvmPackageName
• KT-23546 Variable name auto-completion popup gets in the way
• KT-23546 Do not show duplicated names in variabl...

Kotlin 1.2.40 RC2

Compiler

New Features

• KT-22703 Allow expect/actual annotation constructors to have default values
• KT-19159 Support crossinline lambda parameters of suspend function type
• KT-21913 Support default arguments for expected declarations
• KT-19120 Provide extra compiler arguments in ScriptTemplateDefinition
• KT-19415 Introduce @JvmDefault annotation
• KT-21515 Restrict visibility of classifiers inside companion objects

Performance Improvements

• KT-10057 Use lcmp instruction instead of kotlin/jvm/internal/Intrinsics.compare
• KT-14258 Suboptimal codegen for private fieldaccess to private field in companion object
• KT-18731 == between enums should use reference equality, not Intrinsics.areEqual().
• KT-22714 Unnecessary checkcast to array of object from an array of specific type
• KT-5177 Optimize code generation for for loop with withIndex()
• KT-19477 Allow to implement several common modules with a single platform module
• KT-21347 Add compiler warning about using kotlin-stdlib-jre7 or kotlin-stdlib-jre8 artifacts

Fixes

• KT-16424 Broken bytecode for nullable generic methods
• KT-17171 ClassCaseException in case of SAM conversion with out variance
• KT-19399 Incorrect bytecode generated for inline functions in some complex cases
• KT-21696 Incorrect warning for use-site target on extension function
• KT-22031 Non-abstract expect classes should not have abstract members
• KT-22260 Never flag inline suspend fun with NOTHING_TO_INLINE
• KT-22352 Expect/actual checker can't handle properties and functions with the same name
• KT-22652 Interface with default overrides is not perceived as a SAM
• KT-22904 Incorrect bytecode generated for withIndex iteration on Array<Int>
• KT-22906 Invalid class name generated for lambda created from method reference in anonymous object
• KT-23044 Overriden public property with internal setter cannot be found in runtime
• KT-23104 Incorrect code generated for LHS of an intrinsified in operator in case of generic type substituted with Character
• KT-23309 Minor spelling errors in JVM internal error messages
• KT-22001 JS: compiler crashes on += with "complex" receiver
• KT-23239 JS: Default arguments for non-final member function support is missing for MPP
• KT-17091 Converting to SAM Java type appends non-deterministic hash to class name
• KT-21521 Compilation exception when trying to compile a suspend function with tailrec keyword
• KT-21605 Cross-inlined coroutine with captured outer receiver creates unverifiable code
• KT-21864 Expect-actual matcher doesn't consider generic upper bounds
• KT-21906 ACTUAL_MISSING is reported for actual constructor of non-actual class
• KT-21939 Improve ACTUAL_MISSING diagnostics message
• KT-22513 Flaky "JarURLConnection.getUseCaches" NPE during compilation when using compiler plugins

Libraries

• KT-11208 readLine() shouldn't use buffered reader

IDE

New Features

• KT-10368 Run Action for Kotlin Scratch Files
• KT-16892 Shortcut to navigate between header and impl
• KT-23005 Support prefix/suffix attributes for language injection in Kotlin with annotations and comments

Performance Improvements

• KT-19484 KotlinBinaryClassCache retains a lot of memory
• KT-23183 ConfigureKotlinNotification.getNotificationString() scans modules with Kotlin files twice
• KT-23380 Improve IDE performance when working with Spring projects

Fixes

• KT-15482 KotlinNullPointerException in IDE from expected class with nested class
• KT-15739 Internal visibility across common and platform-dependent modules
• KT-19025 Not imported build.gradle.kts is all red
• KT-19165 IntelliJ should suggest to reload Gradle projects when build.gradle.kts changes
• KT-20282 'Move statement up' works incorrectly for statement after finally block if try block contains closure
• KT-20521 Kotlin Gradle script: valid build.gradle.kts is red and becomes normal only after reopening the project
• KT-20592 KotlinNullPointerException: nested class inside expect / actual interface
• KT-21013 "Move statement up/down" fails for multiline declarations
• KT-21420 .gradle.kts editor should do no semantic highlighting until the first successful dependency resolver response
• KT-21683 Language injection: JPAQL. Injection should be present for "query" parameter of @NamedNativeQueries
• KT-21745 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Maven
• KT-21746 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Gradle
• KT-21753 Language injection: SpEL. Not injected for key in @Caching
• KT-21771 All annotations in Annotations.kt from kotlin-test-js module wrongly have ACTUAL_MISSING
• KT-21831 Opening class from kotlin-stdlib-jdk8.jar fails with EE: "Stub list in ... length differs from PSI"
• KT-22229 Kotlin local delegated property Import auto-removed with "Java: Optimize imports on the fly"
• KT-22724 ISE: "psiFile must not be null" at KotlinNodeJsRunConfigurationProducer.setupConfigurationFromContext()
• KT-22817 Hitting 'Propagate Parameters' in Change Signature throws UnsupportedOperationException
• KT-22851 Apply button is always active on Kotlin compiler settings tab
• KT-22858 Multiplatform: String constructor parameter is reported in Java file of jvm module on creation of a new instance of a class from common module
• KT-22865 Support multiple expectedBy dependencies when importing project from Gradle or Maven
• KT-22873 Common module-based light classes do not see JDK
• KT-22874 Exception on surround with "if else" when resulting if should be wrapped with ()
• KT-22925 Unable to view Type Hierarchy from constructor call in expression
• KT-22926 Confusing behavior of Type Hierarchy depending on the caret position at superclass constructor
• KT-23097 Enhance multiplatform project wizard
• KT-23271 Warn about using kotlin-stdlib-jre* libs in dependencyManagement section in Maven with eap and dev Kotlin versions
• KT-20672 IDE can't resolve references to elements from files with @JvmPackageName
• KT-23546 Variable name auto-completion popup gets in the way

IDE. Gradle. Script

• KT-23228 Do not hig...

Kotlin 1.2.40 RC

Compiler

New Features

• KT-22703 Allow expect/actual annotation constructors to have default values
• KT-19159 Support crossinline lambda parameters of suspend function type
• KT-21913 Support default arguments for expected declarations
• KT-19120 Provide extra compiler arguments in ScriptTemplateDefinition
• KT-19415 Introduce @JvmDefault annotation
• KT-21515 Restrict visibility of classifiers inside companion objects

Performance Improvements

• KT-10057 Use lcmp instruction instead of kotlin/jvm/internal/Intrinsics.compare
• KT-14258 Suboptimal codegen for private fieldaccess to private field in companion object
• KT-18731 == between enums should use reference equality, not Intrinsics.areEqual().
• KT-22714 Unnecessary checkcast to array of object from an array of specific type
• KT-5177 Optimize code generation for for loop with withIndex()
• KT-19477 Allow to implement several common modules with a single platform module
• KT-21347 Add compiler warning about using kotlin-stdlib-jre7 or kotlin-stdlib-jre8 artifacts

Fixes

• KT-16424 Broken bytecode for nullable generic methods
• KT-17171 ClassCaseException in case of SAM conversion with out variance
• KT-19399 Incorrect bytecode generated for inline functions in some complex cases
• KT-21696 Incorrect warning for use-site target on extension function
• KT-22031 Non-abstract expect classes should not have abstract members
• KT-22260 Never flag inline suspend fun with NOTHING_TO_INLINE
• KT-22352 Expect/actual checker can't handle properties and functions with the same name
• KT-22652 Interface with default overrides is not perceived as a SAM
• KT-22904 Incorrect bytecode generated for withIndex iteration on Array<Int>
• KT-22906 Invalid class name generated for lambda created from method reference in anonymous object
• KT-23044 Overriden public property with internal setter cannot be found in runtime
• KT-23104 Incorrect code generated for LHS of an intrinsified in operator in case of generic type substituted with Character
• KT-23309 Minor spelling errors in JVM internal error messages
• KT-22001 JS: compiler crashes on += with "complex" receiver
• KT-23239 JS: Default arguments for non-final member function support is missing for MPP
• KT-17091 Converting to SAM Java type appends non-deterministic hash to class name
• KT-21521 Compilation exception when trying to compile a suspend function with tailrec keyword
• KT-21605 Cross-inlined coroutine with captured outer receiver creates unverifiable code
• KT-21864 Expect-actual matcher doesn't consider generic upper bounds
• KT-21906 ACTUAL_MISSING is reported for actual constructor of non-actual class
• KT-21939 Improve ACTUAL_MISSING diagnostics message

Libraries

• KT-11208 readLine() shouldn't use buffered reader

IDE

New Features

• KT-10368 Run Action for Kotlin Scratch Files
• KT-16892 Shortcut to navigate between header and impl
• KT-23005 Support prefix/suffix attributes for language injection in Kotlin with annotations and comments

Performance Improvements

• KT-19484 KotlinBinaryClassCache retains a lot of memory
• KT-23183 ConfigureKotlinNotification.getNotificationString() scans modules with Kotlin files twice
• KT-23380 Improve IDE performance when working with Spring projects

Fixes

• KT-15482 KotlinNullPointerException in IDE from expected class with nested class
• KT-15739 Internal visibility across common and platform-dependent modules
• KT-19025 Not imported build.gradle.kts is all red
• KT-19165 IntelliJ should suggest to reload Gradle projects when build.gradle.kts changes
• KT-20282 'Move statement up' works incorrectly for statement after finally block if try block contains closure
• KT-20521 Kotlin Gradle script: valid build.gradle.kts is red and becomes normal only after reopening the project
• KT-20592 KotlinNullPointerException: nested class inside expect / actual interface
• KT-21013 "Move statement up/down" fails for multiline declarations
• KT-21420 .gradle.kts editor should do no semantic highlighting until the first successful dependency resolver response
• KT-21683 Language injection: JPAQL. Injection should be present for "query" parameter of @NamedNativeQueries
• KT-21745 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Maven
• KT-21746 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Gradle
• KT-21753 Language injection: SpEL. Not injected for key in @Caching
• KT-21771 All annotations in Annotations.kt from kotlin-test-js module wrongly have ACTUAL_MISSING
• KT-21831 Opening class from kotlin-stdlib-jdk8.jar fails with EE: "Stub list in ... length differs from PSI"
• KT-22229 Kotlin local delegated property Import auto-removed with "Java: Optimize imports on the fly"
• KT-22724 ISE: "psiFile must not be null" at KotlinNodeJsRunConfigurationProducer.setupConfigurationFromContext()
• KT-22817 Hitting 'Propagate Parameters' in Change Signature throws UnsupportedOperationException
• KT-22851 Apply button is always active on Kotlin compiler settings tab
• KT-22858 Multiplatform: String constructor parameter is reported in Java file of jvm module on creation of a new instance of a class from common module
• KT-22865 Support multiple expectedBy dependencies when importing project from Gradle or Maven
• KT-22873 Common module-based light classes do not see JDK
• KT-22874 Exception on surround with "if else" when resulting if should be wrapped with ()
• KT-22925 Unable to view Type Hierarchy from constructor call in expression
• KT-22926 Confusing behavior of Type Hierarchy depending on the caret position at superclass constructor
• KT-23097 Enhance multiplatform project wizard
• KT-23271 Warn about using kotlin-stdlib-jre* libs in dependencyManagement section in Maven with eap and dev Kotlin versions
• KT-20672 IDE can't resolve references to elements from files with @JvmPackageName

IDE. Gradle. Script

• KT-23228 Do not highlight .gradle.kts files in non-Gradle projects

IDE. Inspections and Intentions

New Features

• KT-16382 Intention to convert expr.unsafeCast<Type>() to expr as Type and vice versa
• [`KT-2043...

Kotlin 1.2.40 EAP 1

Compiler

New Features

• KT-22703 Allow expect/actual annotation constructors to have default values
• KT-19159 Support crossinline lambda parameters of suspend function type
• KT-21913 Support default arguments for expected declarations
• KT-19120 Provide extra compiler arguments in ScriptTemplateDefinition

Performance Improvements

• KT-10057 Use lcmp instruction instead of kotlin/jvm/internal/Intrinsics.compare
• KT-14258 Suboptimal codegen for private fieldaccess to private field in companion object
• KT-18731 == between enums should use reference equality, not Intrinsics.areEqual().
• KT-22714 Unnecessary checkcast to array of object from an array of specific type

Fixes

• KT-16424 Fix broken bytecode for nullable generic method
• KT-17171 Fix ClassCaseException in case of SAM conversion with out variance
• KT-19399 Incorrect bytecode generated for inline functions in some complex cases
• KT-21696 Incorrect warning for use-site target on extension function
• KT-22031 Non-abstract expect classes should not have abstract members
• KT-22260 Never flag inline suspend fun with NOTHING_TO_INLINE
• KT-22352 Expect/actual checker can't handle properties and functions with the same name
• KT-22652 Interface with default overrides is not perceived as a SAM
• KT-22904 Incorrect bytecode generated for withIndex iteration on Array<Int>
• KT-22906 Invalid class name generated for lambda created from method reference in anonymous object
• KT-23044 Overriden public property with internal setter cannot be found in runtime
• KT-23104 Incorrect code generated for LHS of an intrinsified in operator in case of generic type substituted with Character
• KT-23309 Minor spelling errors in jvm internal error message

IDE

New Features

• KT-10368 Run Action for Kotlin Scratch Files
• KT-16892 Shortcut to navigate between header and impl
• KT-23005 Support prefix/suffix attributes for language injection in Kotlin with annotations and comments

Performance Improvements

• KT-19484 KotlinBinaryClassCache retains a lot of memory
• KT-23183 ConfigureKotlinNotification.getNotificationString() scans modules with Kotlin files twice
• KT-23380 Improve IDE performance when working with Spring projects

Fixes

• KT-15482 KotlinNullPointerException in IDE from expected class with nested class
• KT-15739 Internal visibility across common and platform-dependent modules
• KT-19025 Not imported build.gradle.kts is red
• KT-19165 IntelliJ should suggest to reload Gradle projects when Kotlin build scripts change
• KT-20282 'Move statement up' works incorrectly for statement after 'finally' block if 'try' block contains closure
• KT-20521 Kotlin Gradle script: valid build.gradle.kts is red and becomes normal only after reopening the project
• KT-20592 KotlinNullPointerException: nested class inside expect / actual interface
• KT-21013 "Move statement up/down" fails for multiline declarations
• KT-21420 .gradle.kts editor should do no semantic highlighting until the first successful dependency resolver response
• KT-21683 Language injection: JPAQL. Injection should be present for "query" parameter of @NamedNativeQueries
• KT-21745 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Maven
• KT-21746 Warning and quickfix about kotlin-stdlib-jre7/8 -> kotlin-stdlib-jdk7/8 in Gradle
• KT-21753 Language injection: SpEL. Not injected for key in @Caching
• KT-21771 All annotations in Annotations.kt from kotlin-test-js module wrongly have ACTUAL_MISSING
• KT-21831 Opening class from kotlin-stdlib-jdk8.jar fails with EE: "Stub list in ... length differs from PSI"
• KT-22229 Kotlin local delegated property Import auto-removed with "Java: Optimize imports on the fly"
• KT-22724 ISE: "psiFile must not be null" at KotlinNodeJsRunConfigurationProducer.setupConfigurationFromContext()
• KT-22817 Hitting 'Propagate Parameters' in Change Signature throws UnsupportedOperationException
• KT-22851 Apply button is always active on Kotlin compiler settings tab
• KT-22858 Multiplatform: String constructor parameter is reported in Java file of jvm module on creation of a new instance of a class from common module
• KT-22865 Support multiple expectedBy dependencies when importing project from gradle or maven
• KT-22873 Common module-based light classes do not see JDK
• KT-22874 Exception on surround with "if else" when resulting if should be wrapped with ()
• KT-22925 Unable to view Type Hierarchy from constructor call in expression
• KT-22926 Confusing behavior of Type Hierarchy depending on the caret position at superclass constructor
• KT-23097 Enhance multiplatform project wizard
• KT-23271 Warn about using kotlin-stdlib-jre* libs in dependencyManagement section in Maven with eap and dev Kotlin versions

IDE. Gradle. Script

• KT-23228 Do not highlight .gradle.kts files in non-Gradle projects

IDE. Inspections and Intentions

New Features

• KT-16382 Intention to convert expr.unsafeCast<Type>() to expr as Type and vice versa
• KT-20439 Add intentions to add/remove labeled return to last expression in a lambda
• KT-22011 Inspection to report the usage of Java Collections methods on immutable Kotlin Collections
• KT-22933 Add intention/inspection to convert Pair constructor to to function

Fixes

• KT-12226 "Convert concatenation to template" does not process dollar sign as a Char
• KT-15858 "Replace with a 'foreach' function call" intention breaks code
• KT-16332 Add braces to 'if' statement intention does not put end-of-line comment properly into braces
• KT-17058 Create implementations from headers: each implementation gets own file
• KT-17306 Don't report package name mismatch if there's no Java code in the module
• KT-19730 Quickfix for delegated properties boilerplate generation doesn't work on locals
• KT-21005 Missing KDoc inspection seems to have broken in 1.1.60 EAP
• KT-21082 Create actual declaration of top-level subclass of expected sealed class in the same file as actual declaration of sealed class present
• KT-22110 "Can be joined with assignment" inspection underlining extends into comment
• KT-22329 "Create class" quickfix is not suggested in when branch
• KT-22428 Create member function from usage shouldn't present type par...

Kotlin 1.2.31

Compiler

• Support nullability annotations in androidx package

IDE. Inspections and Intentions

• KT-22804 "Remove redundant backticks" inspection reports all names and quick fix fails for non-applicable names

Tools. Gradle

• KT-23192 Issue with experimental mode in Android Extensions and Android Gradle plugin 3.2.0-alpha05

Bugfixes

• KT-22205 Hitting breakpoints in Kotlin sometimes doesn't work
• Fix compatibility with LivePlugin

1.2.30

CHANGELOG

1.2.30

Android

• KT-19300 [AS3.0] Android extensions, Parcelable: editor shows warning about incomplete implementation on a class with Parcelize annotation
• KT-22168 "Kotlin Android | Illegal Android Identifier" inspection reports non-instrumentation unit tests
• KT-22700 Android Extensions bind views with dot in ID

Compiler

New Features

• KT-17336 Introduce suspendCoroutineUninterceptedOrReturn coroutine intrinsic function
• KT-22766 Imitate "suspend" modifier in 1.2.x by stdlib function

Performance Improvements

• KT-5177 Optimize code generation for 'for' loop with withIndex()
• KT-16880 Smarter detection of tail-suspending unit invocations

Fixes

• KT-10494 IAE in CheckMethodAdapter.checkInternalName when declaring classes inside method with non-standard name
• KT-16079 Internal error when using suspend operator plus
• KT-17091 Converting to SAM Java type appends non-deterministic hash to class name
• KT-18522 Internal compiler error with IndexOutOfBoundsException, "Exception while analyzing expression"
• KT-18578 Compilation failure with @JsonInclude and default interface method
• KT-19786 Kotlin — unable to override a Java function with @nullable vararg argument
• KT-20466 JSR305 false positive for elvis operator
• KT-20705 Tail suspend call optimization doesn't work in when block
• KT-20708 Tail suspend call optiomization doesn't work in some branches
• KT-20855 Unnecessary safe-call reported on nullable type
• KT-21165 Exception from suspending function is not caught
• KT-21238 Nonsensical warning "Expected type does not accept nulls in Java, but the value may be null in Kotlin"
• KT-21258 Raw backing field value exposed via accessors?
• KT-21303 Running on JDK-10-ea-31 leads to ArrayIndexOutOfBoundsException
• KT-21642 Back-end (JVM) Internal error: Couldn't transform method node on using open keyword with suspend for a top-level function
• KT-21759 Compiler crashes on two subsequent return statements in suspend function
• KT-22029 Fold list to pair with destructuring assignment and inner when results in Exception
• KT-22345 OOM in ReturnUnitMethodReplacer
• KT-22410 invalid compiler optimization for nullable cast to reified type
• KT-22577 Compiler crashes when coroutineContext is used inside of inlined lambda

IDE

New Features

• KT-8352 Pasting Kotlin code into package could create .kt file
• KT-16710 Run configuration to run main() as a Node CLI app
• KT-16833 Allow mixing Java and Kotlin code in "Analyze Data Flow..."
• KT-21531 JS: add support for running specific test from the gutter icon with Jest testing framework

Performance Improvements

• KT-21450 Add caching for Module.languageVersionSettings
• KT-21517 OOME during find usages

Fixes

• KT-7316 Go to declaration in Kotlin JavaScript project navigates to JDK source in some cases
• KT-8563 Refactor / Rename inserts line breaks without reason
• KT-11467 Editor: var property in primary constructor is shown not underscored, same as val
• KT-13509 Don't show run line markers for top-level functions annotated with @test
• KT-13971 Kotlin Bytecode tool window: Decompile is available for incompilable code, CE at MemberCodegen.genFunctionOrProperty()
• KT-15000 Do not spell check overridden declaration names
• KT-15331 "Kotlin not configured" notification always shown for common module in multiplatform project
• KT-16333 Cannot navigate to super declaration via shortcut
• KT-16976 Introduce special SDK for Kotlin JS projects to avoid using JDK
• KT-18445 multiplatform project: provide more comfortable way to process cases when there are missed method implemenation in the implementation class
• KT-19194 Some Live Templates should probably be enabled also for "expressions" not only "statements"
• KT-20281 multiplatform:Unresolved service JavaDescriptorResolver on a file with several header declarations and gutters not shown
• KT-20470 IntelliJ indent guide/invisible brace matching hint tooltip doesn't show context
• KT-20522 Add "Build" action in "Before launch" block when create new JS run configuration (for test)
• KT-20915 Add quickfix for ‘Implicit (unsafe) cast from dynamic type’
• KT-20971 Cannot navigate to sources of compiled common dependency
• KT-21115 Incomplete actual class should still have navigation icon to expect class
• KT-21688 UIdentifier violates JvmDeclarationElement contract
• KT-21874 Unexpected IDE error "Unknown type [typealias ...]"
• KT-21958 Support "Alternative source available" for Kotlin files
• KT-21994 Collapsed comments containing * get removed in the summary line.
• KT-22179 For properties overridden in object literals, navigation to inherited properties is missing indication of a type they are overridden
• KT-22214 Front-end Internal error: Failed to analyze declaration
• KT-22230 Reformatting code to Kotlin style indents top-level typealiases with comments
• KT-22242 Semantic highlighting uses different colors for the same 'it' variable and same color for different 'it's
• KT-22301 Don't require space after label for lambda
• KT-22346 Incorrect indentation for chained context extension functions (lambdas) when using Kotlin style guide
• KT-22356 Update status of inspection "Kotlin JVM compiler configured but no stdlib dependency" after pom file update, not on re-import
• KT-22360 MPP: with "Create separate module per source set" = No expectedBy dependency is imported not transitively
• KT-22374 "Join lines" works incorrectly in case of line containing more than one string literal
• KT-22473 Regression in IntelliJ Kotlin Plugin 1.2.20, settings.gradle.kts script template is wrong
• KT-22508 Auto-formatting should insert an indentation for default parameter values
• KT-22557 Dead 'Apply' button, when setting code style
• KT-22565 Cant do PsiAnchor.create on annotation in annotation
• KT-22570 Can't add import in "Packages to Use Import with '*'" section on "Import" tab in Code Style -> Kotlin
• KT-22641 Auto-formatting adds extra indent to a closing square bracket on a separate line
• KT-22734 LinkageError: "loader constraint violation: when resolving method PsiTreeUtilKt.parentOfType()" at KotlinConverter.convertPsiElement$uast_kotlin()

IDE. Debugger

• KT-20351 Stepping over a line with ...

1.2.30-eap-47

CHANGELOG

1.2.30 EAP-2

Android

• KT-19300 [AS3.0] Android extensions, Parcelable: editor shows warning about incomplete implementation on a class with Parcelize annotation
• KT-22168 "Kotlin Android | Illegal Android Identifier" inspection reports non-instrumentation unit tests
• KT-22700 Android Extensions bind views with dot in ID

Compiler

New Features

• KT-17336 Introduce suspendCoroutineUninterceptedOrReturn coroutine intrinsic function
• KT-22766 Imitate "suspend" modifier in 1.2.x by stdlib function

Performance Improvements

• KT-5177 Optimize code generation for 'for' loop with withIndex()
• KT-16880 Smarter detection of tail-suspending unit invocations

Fixes

• KT-10494 IAE in CheckMethodAdapter.checkInternalName when declaring classes inside method with non-standard name
• KT-16079 Internal error when using suspend operator plus
• KT-17091 Converting to SAM Java type appends non-deterministic hash to class name
• KT-18522 Internal compiler error with IndexOutOfBoundsException, "Exception while analyzing expression"
• KT-18578 Compilation failure with @JsonInclude and default interface method
• KT-19786 Kotlin — unable to override a Java function with @nullable vararg argument
• KT-20466 JSR305 false positive for elvis operator
• KT-20705 Tail suspend call optimization doesn't work in when block
• KT-20708 Tail suspend call optiomization doesn't work in some branches
• KT-20855 Unnecessary safe-call reported on nullable type
• KT-21165 Exception from suspending function is not caught
• KT-21238 Nonsensical warning "Expected type does not accept nulls in Java, but the value may be null in Kotlin"
• KT-21258 Raw backing field value exposed via accessors?
• KT-21303 Running on JDK-10-ea-31 leads to ArrayIndexOutOfBoundsException
• KT-21642 Back-end (JVM) Internal error: Couldn't transform method node on using open keyword with suspend for a top-level function
• KT-21759 Compiler crashes on two subsequent return statements in suspend function
• KT-22029 Fold list to pair with destructuring assignment and inner when results in Exception
• KT-22345 OOM in ReturnUnitMethodReplacer
• KT-22410 invalid compiler optimization for nullable cast to reified type
• KT-22577 Compiler crashes when coroutineContext is used inside of inlined lambda

IDE

New Features

• KT-8352 Pasting Kotlin code into package could create .kt file
• KT-16710 Run configuration to run main() as a Node CLI app
• KT-16833 Allow mixing Java and Kotlin code in "Analyze Data Flow..."
• KT-21531 JS: add support for running specific test from the gutter icon with Jest testing framework

Performance Improvements

• KT-21450 Add caching for Module.languageVersionSettings
• KT-21517 OOME during find usages

Fixes

• KT-7316 Go to declaration in Kotlin JavaScript project navigates to JDK source in some cases
• KT-8563 Refactor / Rename inserts line breaks without reason
• KT-11467 Editor: var property in primary constructor is shown not underscored, same as val
• KT-13509 Don't show run line markers for top-level functions annotated with @test
• KT-13971 Kotlin Bytecode tool window: Decompile is available for incompilable code, CE at MemberCodegen.genFunctionOrProperty()
• KT-15000 Do not spell check overridden declaration names
• KT-15331 "Kotlin not configured" notification always shown for common module in multiplatform project
• KT-16333 Cannot navigate to super declaration via shortcut
• KT-16976 Introduce special SDK for Kotlin JS projects to avoid using JDK
• KT-18445 multiplatform project: provide more comfortable way to process cases when there are missed method implemenation in the implementation class
• KT-19194 Some Live Templates should probably be enabled also for "expressions" not only "statements"
• KT-20281 multiplatform:Unresolved service JavaDescriptorResolver on a file with several header declarations and gutters not shown
• KT-20470 IntelliJ indent guide/invisible brace matching hint tooltip doesn't show context
• KT-20522 Add "Build" action in "Before launch" block when create new JS run configuration (for test)
• KT-20915 Add quickfix for ‘Implicit (unsafe) cast from dynamic type’
• KT-20971 Cannot navigate to sources of compiled common dependency
• KT-21115 Incomplete actual class should still have navigation icon to expect class
• KT-21688 UIdentifier violates JvmDeclarationElement contract
• KT-21874 Unexpected IDE error "Unknown type [typealias ...]"
• KT-21958 Support "Alternative source available" for Kotlin files
• KT-21994 Collapsed comments containing * get removed in the summary line.
• KT-22179 For properties overridden in object literals, navigation to inherited properties is missing indication of a type they are overridden
• KT-22214 Front-end Internal error: Failed to analyze declaration
• KT-22230 Reformatting code to Kotlin style indents top-level typealiases with comments
• KT-22242 Semantic highlighting uses different colors for the same 'it' variable and same color for different 'it's
• KT-22301 Don't require space after label for lambda
• KT-22346 Incorrect indentation for chained context extension functions (lambdas) when using Kotlin style guide
• KT-22356 Update status of inspection "Kotlin JVM compiler configured but no stdlib dependency" after pom file update, not on re-import
• KT-22360 MPP: with "Create separate module per source set" = No expectedBy dependency is imported not transitively
• KT-22374 "Join lines" works incorrectly in case of line containing more than one string literal
• KT-22473 Regression in IntelliJ Kotlin Plugin 1.2.20, settings.gradle.kts script template is wrong
• KT-22508 Auto-formatting should insert an indentation for default parameter values
• KT-22557 Dead 'Apply' button, when setting code style
• KT-22565 Cant do PsiAnchor.create on annotation in annotation
• KT-22570 Can't add import in "Packages to Use Import with '*'" section on "Import" tab in Code Style -> Kotlin
• KT-22641 Auto-formatting adds extra indent to a closing square bracket on a separate line
• KT-22734 LinkageError: "loader constraint violation: when resolving method PsiTreeUtilKt.parentOfType()" at KotlinConverter.convertPsiElement$uast_kotlin()

IDE. Debugger

• KT-20351 Stepping over a line...

1.2.30-eap-16

CHANGELOG

1.2.30 EAP

Compiler

New Features

• KT-17336 Introduce suspendCoroutineUninterceptedOrReturn coroutine intrinsic function

Performance Improvements

• KT-5177 Optimize code generation for 'for' loop with withIndex()
• KT-16880 Smarter detection of tail-suspending unit invocations

Fixes

• KT-10494 IAE in CheckMethodAdapter.checkInternalName when declaring classes inside method with non-standard name
• KT-16079 Internal error when using suspend operator plus
• KT-20705 Tail suspend call optimization doesn't work in when block
• KT-20708 Tail suspend call optiomization doesn't work in some branches
• KT-21165 Exception from suspending function is not caught
• KT-21258 Raw backing field value exposed via accessors?
• KT-21303 Running on JDK-10-ea-31 leads to ArrayIndexOutOfBoundsException
• KT-21642 Back-end (JVM) Internal error: Couldn't transform method node on using open keyword with suspend for a top-level function
• KT-21759 Compiler crashes on two subsequent return statements in suspend function
• KT-22029 Fold list to pair with destructuring assignment and inner when results in Exception
• KT-22345 OOM in ReturnUnitMethodReplacer

IDE

New Features

• KT-16833 Allow mixing Java and Kotlin code in "Analyze Data Flow..."

Performance Improvements

• KT-21450 Add caching for Module.languageVersionSettings
• KT-21517 OOME during find usages

Fixes

• KT-7316 Go to declaration in Kotlin JavaScript project navigates to JDK source in some cases
• KT-11467 Editor: var property in primary constructor is shown not underscored, same as val
• KT-13509 Don't show run line markers for top-level functions annotated with @test
• KT-13971 Kotlin Bytecode tool window: Decompile is available for incompilable code, CE at MemberCodegen.genFunctionOrProperty()
• KT-15000 Do not spell check overridden declaration names
• KT-16333 Cannot navigate to super declaration via shortcut
• KT-16976 Introduce special SDK for Kotlin JS projects to avoid using JDK
• KT-19194 Some Live Templates should probably be enabled also for "expressions" not only "statements"
• KT-20470 IntelliJ indent guide/invisible brace matching hint tooltip doesn't show context
• KT-20915 Add quickfix for ‘Implicit (unsafe) cast from dynamic type’
• KT-21688 UIdentifier violates JvmDeclarationElement contract
• KT-21958 Support "Alternative source available" for Kotlin files
• KT-21994 Collapsed comments containing * get removed in the summary line.
• KT-22179 For properties overridden in object literals, navigation to inherited properties is missing indication of a type they are overridden
• KT-22214 Front-end Internal error: Failed to analyze declaration
• KT-22230 Reformatting code to Kotlin style indents top-level typealiases with comments
• KT-22242 Semantic highlighting uses different colors for the same 'it' variable and same color for different 'it's
• KT-22356 Update status of inspection "Kotlin JVM compiler configured but no stdlib dependency" after pom file update, not on re-import
• KT-22374 "Join lines" works incorrectly in case of line containing more than one string literal
• KT-22473 Regression in IntelliJ Kotlin Plugin 1.2.20, settings.gradle.kts script template is wrong

IDE. Debugger

• KT-20351 Stepping over a line with two inline stdlib functions steps into the second function
• KT-21945 Double stop on same line during step over if inline call is present

IDE. Inspections and Intentions

New Features

• KT-22038 Inspection to replace the usage of Java Collections methods on subtypes of MutableList with the methods from Kotlin stdlib
• KT-22171 Add Intention for single character substring
• KT-22409 Intention for changing property setter accessibility

Performance Improvements

• KT-21137 Kotlin instantiates something expensive via reflection when highlighting Java file

Fixes

• KT-18007 Inspection doesn't suggest Maven Plugin for kotlin-stdlib-jre8
• KT-18308 'Remove braces from else statement' intention breaks code
• KT-18912 multiplatform project: Convert to enum class: header sealed class cannot convert nested objects to enum values
• KT-21600 suspend modifier should go after override in overridden suspend functions
• KT-21881 Replace "If" with safe access intention false positive
• KT-22054 Replace '!=' with 'contentEquals' should be replace '==' with 'contentEquals'
• KT-22159 "Replace return with 'if' expression" should not place return before expressions of type Nothing
• KT-22221 QuickFix to remove unused constructor parameters shouldn't delete parenthesis
• KT-22335 IOE from KotlinUnusedImportInspection.scheduleOptimizeImportsOnTheFly
• KT-22339 Remove setter parameter type: error while creating problem descriptor

IDE. Refactorings

• KT-17047 Refactorings for related standard "scoping functions" conversion: 'let' <-> 'run', 'apply' <-> 'also'
• KT-22200 Overriden function generated from completion is missing suspend modifier
• KT-22359 Refactor / Rename file: Throwable at RenameProcessor.performRefactoring()
• KT-22461 Rename doesn't work on private top-level members of multi-file parts

JavaScript

• KT-20735 JS: kotlin.test-js integration tests terminate build on failure

Libraries

• KT-16661 Performance overhead in string splitting in Kotlin versus Java?
• KT-22042 Suboptimal Strings#findAnyOf

Tools

• KT-22196 kotlin-compiler-embeddable bundles outdated kotlinx.coroutines since 1.1.60

Tools. CLI

• KT-19051 Suppress Java 9 illegal access warnings

Tools. Gradle

• KT-18462 Add 'org.jetbrains.kotlin.platform.android' plugin.

Tools. J2K

• KT-21635 J2K: create "inspection based post-processing"