1.3.71

Compiler

• KT-36095 201: False positive OVERLOAD_RESOLUTION_AMBIGUITY with Java Enum.valueOf and Enum.values() reference
• KT-37040 'No explicit visibility in API mode' should not be reported on enum members
• KT-37204 AssertionError: "No delegated property metadata owner for" with lazy inside inline function

Docs & Examples

• KT-37029 Kotlin full stack app demo: update all involving versions to work with 1.3.70 release

IDE

• KT-34759 "PSI and index do not match" and high CPU usage when the library has enum with elements in quotes and internal lazy val in another part of code
• KT-37200 StackOverflowError in LightMethodBuilder.equals when analysing Kotlin files
• KT-37229 java.lang.NoSuchMethodError: 'com.intellij.psi.impl.light.LightJavaModule, com.intellij.psi.impl.light.LightJavaModule.findModule after updating kotlin plugin to 1.3.70
• KT-37273 No error in editor when typing unresolved reference in super constructor lambda
• KT-37414 Not all imports are added on paste if code is formatted after paste
• KT-37553 Run inspections after general highlight pass

IDE. Code Style, Formatting

• KT-37545 Continuation indent for method's parameter changes in call chain

IDE. Hints

• KT-37537 IDE is missing or swallowing keystrokes when hint popups are displayed

IDE. Inspections and Intentions

• KT-36478 IDE suggests to use 'OptIn' annotation when it is not available in the used version of kotlin-stdlib
• KT-37294 False positive "Unused unary operator" on negative long annotation value

IDE. Navigation

• KT-36657 KotlinFindUsagesHandler#processElementUsages always return false if options.isSearchForTextOccurrences is false

IDE. Refactorings

• KT-37451 Change of signature error: Type of parameter cannot be resolved
• KT-37597 Support Suggest rename and change signature refactorings in Kotlin for IDEA 2020.1

IDE. Run Configurations

• KT-36781 Override ConfigurationFactory::getId method in Kotlin plugin to avoid problems with localizations

JavaScript

• KT-37386 Incorrect JS generated by the compiler: function is erased by the function parameter

Tools. Gradle. JS

• KT-36196 Investigate performance problems while resolving in projects with npm dependencies

Tools. Gradle. Multiplatform

• KT-37264 In intermediate common source sets, internals are not visible from their dependsOn source sets during Gradle build

Tools. Gradle. Native

• KT-37565 MPP plugin: Forbid parallel in-process execution of the Kotlin/Native compiler

Tools. kapt

• KT-37241 Kapt: Classpath entry points to a non-existent location: ...build/intermediates/javac/debug/classes...

Contents

The release contents the JVM version of the Kotlin compiler, and also the Kotlin/Native compiler for the supported platforms: Linux, macOS and Windows.

Changelog

Compiler

New Features

• KT-34648 Support custom messages for @RequiresOptIn-marked annotations

Performance Improvements

• KT-14513 Suboptimal compilation of lazy delegated properties with inline getValue

Fixes

• KT-19234 Improve "Supertypes of the following classes cannot be resolved" diagnostic
• KT-21178 Prohibit access of protected members inside public inline members
• KT-24461 Expect interface with suspend function with default arguments causes runtime error
• KT-25514 Support usage of function reference with vararg where function of array is expected in new inference
• KT-26435 Bad frame merge after inline
• KT-27825 Gradually prohibit non-abstract classes containing abstract members invisible from that classes (internal/package-private)
• KT-27999 Generic type is fixed too early for lambda arguments
• KT-28940 Concurrency issue for lazy values with the post-computation phase
• KT-29242 Conditional with generic type Nothing inside inline function throws java.lang.VerifyError: Bad return type
• KT-30244 Unable to infer common return type for two postponed arguments
• KT-30245 Wrong type is inferred for lambda if it has expected type with an extension receiver
• KT-30277 Relax the "no reflection found in class path" warning for KType and related API
• KT-30744 Invoking Interface Static Method from Extension method generates incorrect jvm bytecode
• KT-30953 Missing unresolved if callable reference is used in the place in which common super type is computing
• KT-31227 Prohibit using array based on non-reified type parameters as reified type arguments on JVM
• KT-31242 "Can't find enclosing method" proguard compilation exception with inline and crossinline
• KT-31411 Support mode of compiler where it analyses source-set as platform one, but produces only metadata for that specific source-set
• KT-31653 Incorrect transformation of the try-catch cover when inlining
• KT-31923 Outer finally block inserted before return instruction is not excluded from catch interval of inner try (without finally) block
• KT-31975 No diagnostic on error type
• KT-32106 New type inference: IDE shows error but the code compiles succesfully
• KT-32138 New type inference: Invoking type-aliased extension function red in IDE, but compiles
• KT-32168 Problem in IDE with new type inference and delegate provider
• KT-32243 New type inference: Type mistmatch in collection type usage
• KT-32345 New type inference: Error when using helper method to create delegate provider
• KT-32372 Type inference errors in IDE
• KT-32415 Type mismatch on argument of super constructor of inner class call
• KT-32423 New type inference: IllegalStateException: Error type encountered: org.jetbrains.kotlin.types.ErrorUtils$UninferredParameterTypeConstructor@211a538e (ErrorType)
• KT-32435 New inference preserves platform types while old inference can substitute them with the nullable result type
• KT-32456 New type inference: "IllegalStateException: Error type encountered" when adding emptyList to mutableList
• KT-32499 Kotlin/JS 1.3.40 - new type inference with toTypedArray() failure
• KT-32742 Gradle/JS "Unresolved Reference" when accessing setting field of Dynamic object w/ React
• KT-32818 Type inference failed with elvis operator
• KT-32862 New type inference: Compilation error "IllegalArgumentException: ClassicTypeSystemContextForCS couldn't handle" with overloaded generic extension function reference passed as parameter
• KT-33033 New type inference: Nothing incorrectly inferred as return type when null passed to generic function with expression if statement body
• KT-33197 Expression with branch resolving to List<…> ultimately resolves to MutableList<…>
• KT-33263 "IllegalStateException: Type variable TypeVariable(T) should not be fixed!" with generic extension function and in variance
• KT-33542 Compilation failed with "AssertionError: Suspend functions may be called either as suspension points or from another suspend function"
• KT-33544 "UnsupportedOperationException: no descriptor for type constructor of TypeVariable(R)?" with BuilderInference and elvis operator
• KT-33592 New type inference: Missed error in IDE — Unsupported [Collection literals outside of annotations]
• KT-33932 Compiler fails when it encounters inaccessible classes in javac integration mode
• KT-34029 StackOverflowError for access to nested object inheriting from containing generic class at org.jetbrains.kotlin.descriptors.impl.LazySubstitutingClassDescriptor.getTypeConstructor
• KT-34060 UNUSED_PARAMETER is not reported on unused parameters of non-operator getValue/setValue/prodiveDelegate functions
• KT-34282 Missing diagnostic of unresolved for callable references with overload resolution ambiguity
• KT-34391 New type inference: False negative EXPERIMENTAL_API_USAGE_ERROR with callable reference
• KT-34395 KtWhenConditionInRange.isNegated() doesn't work
• KT-34500 CompilationException when loop range is DoubleArray and loop parameter is casted to super-type (e.g. Any, Number, etc.)
• KT-34647 Gradually rename experimentality annotations
• KT-34649 Deprecate -Xexperimental flag
• KT-34743 Support trailing comma in the compiler
• KT-34779 JVM: "get()" is not invoked in optimized "for" loop over CharSequence.withIndex() with unused variable ("_") for the element in destructuring declaration
• KT-34786 Flaky type inference for lambda expressions
• KT-34820 New type inference: Red code when expanding type-aliased extension function in LHS position of elvis
• KT-34888 Kotlin REPL ignores compilation errors in class declaration
• KT-35035 Incorrect state-machine generated for suspend lambda inside inline lambda
• KT-35101 "AssertionError: Mapping ranges should be presented in inline lambda" with a callable reference argument to inline lambda
• KT-35168 New type inference: "UninitializedPropertyAccessException: lateinit property subResolvedAtoms has not been initialized"
• KT-35172 New type inference: False positive type mismatch if nullable type after elvis and safe call inside lambda is returning (expected type is specified explicitly)
• KT-35224 New type inference: Java call candidate with varargs as Array<something> isn't present if SAM type was used in this call
• KT-35262 Suspend function with Unit return type returns non-unit value if it is derived from function with non-unit return type
• KT-35426 IncompatibleClassChangeError: Method 'int java.lang.Object.hashCode()' must be Methodref constant when invoking on super with explicit generic type
• KT-35843 Emit type annotations in JVM bytecode with target 1.8+ on basic constructions
• KT-36297 New type inference: ClassNotFoundException: compiler emits reference to nonexisting class for code with nested inline lambdas
• KT-36719 Enable new inference in IDE since 1.3.70

Docs & Examples

• KT-31118 Provide missing documentation for StringBuilder members

IDE

New Features

• KT-27496 Color Scheme: allow changing style for suspend function calls
• KT-30806 Add IntelliJ Color Scheme rules for property declarations
• KT-34303 IDE should suggest to import an extension iterator function when using for loop with a range
• KT-34567 Feature: Auto add val keyword on typing data/inline class ctor parameters
• KT-34667 Add auto-import quickfix for overloaded generic function

Performance Improvements

• KT-30726 Editor is laggy if the code below a current line has unresolved reference
• KT-30863 IDE freeze on editing with "Add unambiguous imports on the fly" turned on
• KT-32868 Provide incremental analysis of file when it is applicable
• KT-33250 KtLightClassForSourceDeclaration.isFinal() can be very slow (with implications for class inheritor search)
• KT-33905 Optimize imports under reasonable progress
• KT-33939 Copy action leads to freezes
• KT-34956 UI Freeze: PlainTextPasteImportResolver
• KT-35121 Add support for KtSecondaryConstructors into incremental analysis
• KT-35189 Support incremental analysis of comment and kdoc
• KT-35590 UI freeze in kotlin.idea.core.script.ScriptConfigurationMemoryCache when editing file

Fixes

• KT-10478 Move-statement doesn't work for methods with single-expression body and lambda as returning type
• KT-13344 Reduce visual distraction of val keyword
• KT-14758 Move statement up shouldn't move top level declarations above package and import directives
• KT-23305 We should be able to see platform-specific errors in common module
• KT-24399 No scrollbar in Kotlin compiler settings
• KT-27806 UAST: @Deprecated(level=DeprecationLevel.HIDDEN) makes method disappear
• KT-28708 Java IDE fails to understand @JvmDefault on properties from binaries
• KT-30489 Kotlin functions are represented in UAST as UAnnotationMethods
• KT-31037 Lambda expression default parameter 'it' sometimes is not highlighted in a call chain
• KT-31365 IDE does not resolve references to stdlib symbols in certain packages (kotlin.jvm) when using OSGi bundle
• KT-32031 UAST: Method body missing for suspend functions
• KT-32540 Ultra light class support for compiler plugins
• KT-33820 Stop using com.intellij.codeInsight.AnnotationUtil#isJetbrainsAnnotation
• KT-33846 Stop using com.intellij.openapi.vfs.newvfs.BulkFileListener.Adapter
• KT-33888 Bad indentation when copy-paste to trimIndent()
• KT-34081 Kotlin constants used in Java annotation attributes trigger "Attribute value must be constant" error
• KT-34316 UAST: reified methods no longer visible in UAST
• KT-34337 Descriptors Leak in UltraLightClasses
• KT-34379 "Implement members" with unspecified type argument: "AssertionError: 2 declarations in override fun"
• KT-34785 Enter handler: do not add 'trimIndent()' in const
• KT-34914 Analysis sometimes isn't rerun until an out of code block change
• KT-35222 SQL language is not injected to String array attribute of Java annotation
• KT-35266 Kotlin-specific setting "Optimize imports on the fly" is useless
• KT-35454 Weird implementation of KtUltraLightFieldImpl.isEquivalentTo
• KT-35673 ClassCastException on destructuring declaration with annotation
• KT-36008 IDEA 201: NSME: "com.intellij.openapi.progress.util.ProgressIndicatorUtils.awaitWithCheckCanceled(Future)" at org.jetbrains.kotlin.idea.util.ProgressIndicatorUtils.awaitWithCheckCanceled()

IDE. Code Style, Formatting

New Features

• KT-35088 Insert empty line between a declaration and declaration with comment
• KT-35106 Insert empty line between a declaration and declaration with annotation

Fixes

• KT-4194 Code formatter should not move end of line comment after if condition to the next line
• KT-12490 Formatter inserts empty line between single-line declarations in presence of comment
• KT-22273 Labeled statements are formatted incorrectly
• KT-22362 Formatter breaks up infix function used in elvis operator
• KT-23811 Formatter: Constructor parameters are joined with previous line if prefixed with an annotation
• KT-23929 Formatter: chained method calls: "Chop down if long" setting is ignored
• KT-23957 Formatter tears comments away from file annotations
• KT-30393 Remove unnecessary whitespaces between property accessor and its parameter list in formatter
• KT-31881 Redundant indent for single-line comments inside lamdba
• KT-32277 Space before by delegate keyword on property is not formatted
• KT-32324 Formatter doesn't insert space after safe cast operator as?
• KT-33553 Formater does not wrap function chained expression body despite "chained function calls" settings
• KT-34049 Formatter breaks string inside template expression with elvis operator
• KT-35093 Formatter inserts empty line between single-line declarations in presence of annotation
• KT-35199 Wrong formatting for lambdas in chain calls

IDE. Completion

Fixes

• KT-15286 Support import auto-completion for extension functions declared in objects
• KT-23026 Code completion: Incorrect const in class declaration line
• KT-23834 Code completion and auto import do not suggest extension that differs from member only in type parameter
• KT-25732 null keyword should have priority in completion sort
• KT-29840 const is suggested inside the class body, despite it's illegal
• KT-29926 Suggest lambda parameter names in IDE to improve DSL adoption
• KT-31762 Completion: Parameter name is suggested instead of enum entry in entry constructor
• KT-32615 PIEAE for smart completion of anonymous function with importing name inside of function
• KT-33979 No completion for functions from nested objects
• KT-34150 No completion for object methods that override something
• KT-34386 Typo in Kotlin arg postfix completion
• KT-34414 Completion works differently for suspend and regular lambda functions
• KT-34644 Code completion list sorting: do not put method before "return" keyword
• KT-35042 Selecting completion variant works differently for suspend and regular lambda parameter
• KT-36306 Code completion inlines content of FQN class if completion called in string

IDE. Debugger

Fixes

• KT-12242 Breakpoint in a class is not hit if the class was first accessed in Evaluate Expression
• KT-16277 Can't set breakpoint for object construction
• KT-20342 Step Over jumps to wrong position (KotlinUFile)
• KT-30909 "Kotlin variables" button looks inconsistent with panel style
• KT-32704 ISE "Descriptor can be left only if it is last" on calling function with expression body inside Evaluate Expression window
• KT-32736 Evaluate Expression on statement makes error or shows nothing
• KT-32741 "Anonymous functions with names are prohibited" on evaluating functions in Expression mode
• KT-33303 "Smart step into" doesn't work for library declarations
• KT-33304 Can't put a breakpoint to the first line in file
• KT-33728 Smart Step Into doesn't work for @InlineOnly functions
• KT-35316 IndexNotReadyException on function breakpoint

IDE. Folding

• KT-6316 Folding of multiline functions which don't have curly braces (expression-body functions)

IDE. Gradle Integration

• KT-35442 KotlinMPPGradleModelBuilder shows warnings on import because it can't find a not existing directory

IDE. Gradle. Script

• KT-31976 Adding a space in build.gradle.kts leads to 'Gradle projects need to be imported' notification
• KT-34441 *.gradle.kts: load all scripts configuration at project import
• KT-34442 *.gradle.kts: avoid just-in-case script configuration request to Gradle
• KT-34530 Equal duplicate script definitions are listed three times in Preferences
• KT-34740 Implement completion for implicit receivers in scripts with new scripting API
• KT-34795 Gradle Kotlin DSL new project template: don't use setUrl syntax in settings.gradle.kts pluginManagement block
• KT-35096 Duplicated “Kotlin Script” definition for Gradle/Kotlin projects
• KT-35149 build.graldle.kts settings importing: configuration for buildSrc/prepare-deps/build.gradle.kts not loaded
• KT-35205 *.gradle.kts: avoid just-in-case script configuration request to Gradle while loading from FS
• KT-35563 Track script modifications between IDE restarts

IDE. Hints. Parameter Info

• KT-34992 UI Freeze: Show parameter info leads to freezes

IDE. Inspections and Intentions

New Features

• KT-8478 Make 'Add parameter to function' quick fix work to parameters other than last
• KT-12073 Report IDE inspection warning on pointless unary operators on numbers
• KT-18536 Provide proper quick fix for accidental override error
• KT-34218 Merge 'else if' intention
• KT-36018 'Missing visibility' and 'missing explicit return type' compiler and IDE diagnostics for explicit API mode

Fixes

• KT-17659 Cannot access internal Kotlin declaration from Java test code within the same module
• KT-25271 "Remove redundant '.let' call" may introduce expression side effects several times
• KT-29737 "Make internal/private/protected" intention works for either expect or actual side
• KT-31967 Typo in inspection name: "'+=' create new list under the hood"
• KT-32582 Ambiguous message for [AMBIGUOUS_ACTUALS] error (master)
• KT-33109 "Add constructor parameters" quick fix should add default parameters from super class
• KT-33123 False positive "Redundant qualifier name" with inner class as constructor parameter for outer
• KT-33297 Improve parameter name in Add parameter to constructor quick fix
• KT-33526 False positive "Redundant qualifier name" with enum constant initialized with companion object field
• KT-33580 False positive "Redundant visibility modifier" overriding property with protected set visibility
• KT-33771 False positive "Redundant Companion reference" with Java synthetic property and same-named object property
• KT-33796 INVISIBLE_SETTER: quick fix "Make '<set-attribute>' public" does not remove redundant setter
• KT-33902 False positive for "Remove explicit type specification" with type alias as return type
• KT-33933 "Create expect" quick fix generates the declaration in a default source set even if an alternative is chosen
• KT-34078 ReplaceWith does not work if replacement is fun in companion object
• KT-34297 "Add 'replaceWith' argument" inserts positional instead of named argument
• KT-34325 "Control flow with empty body" inspection should not report ifs with comments
• KT-34411 Create expect/actual quick fix: focus is lost in the editor (193 IDEA)
• KT-34432 Replace with safe call intention inserts redundant elvis operator
• KT-34603 "Remove redundant '.let' call" false negative for reference expression
• KT-34694 "Terminate preceding call with semicolon" breaks lambda formatting
• KT-34784 "Indent raw string" intention: do not suggest in const
• KT-34894 Action "Add not-null asserted (!!) call" doesn't fix error for properties with omitted this
• KT-35022 Quickfix "change to var" doesn't remove const modifier
• KT-35208 NPE from PerModulePackageCacheService
• KT-35242 Text-range based inspection range shifts wrongly due to incremental analysis of whitespace and comments
• KT-35288 False positive "Remove braces from 'when' entry" in 'when' expression which returns lambda
• KT-35837 Editing Introduce import alias does not affect KDoc
• KT-36020 Intention 'Add public modifier' is not available for highlighted declaration in explicit api mode
• KT-36021 KDoc shouldn't be highlighted on 'visibility must be specified' warning in explicit api mode
• KT-36307 False positive "Remove redundant '.let' call" for nested lambda change scope reference

IDE. Multiplatform

• KT-33321 In IDE, actuals of intermediate test source set are incorrectly matched against parent main source-set (not test one)

IDE. Navigation

• KT-30736 References for import alias from kotlin library not found using ReferencesSearch.search
• KT-35310 PIEAE: "During querying provider Icon preview" at ClsJavaCodeReferenceElementImpl.multiResolve() on navigation to Kotlin declaration

IDE. Refactorings

Performance Improvements

• KT-24122 Long pauses with "removing redundant imports" dialog on rename refactoring for IDEA Kotlin Plugin

Fixes

• KT-18191 Refactor / Copy multiple files/classes: package statements are not updated
• KT-18539 Default implement fun/property text shouldn't contain scary comment
• KT-28607 Extract/Introduce variable fails if caret is just after expression
• KT-32514 Moving file in with 'search for references' inlines contents in referred source code
• KT-32601 Introduce variable in unformatted lambda causes PIEAE
• KT-32999 Renaming parameter does not rename usage in named argument in a different file
• KT-33372 Rename resource cause its content to be replaced
• KT-34415 Refactor > Change signature of an overridden actual function from a platform class: "org.jetbrains.kotlin.descriptors.InvalidModuleException: Accessing invalid module descriptor"
• KT-34419 Refactor > Change signature > add a function parameter: "org.jetbrains.kotlin.descriptors.InvalidModuleException: Accessing invalid module descriptor"
• KT-34459 Change method signature with unresolved lambda type leads to error
• KT-34971 Refactor / Copy for declarations from different sources throws IAE: "unexpected element" at CopyFilesOrDirectoriesHandler.getCommonParentDirectory()
• KT-35689 Change Signature: "InvalidModuleException: Accessing invalid module descriptor" on attempt to change receiver type of a member abstract function
• KT-35903 Change Signature refactoring crashes by InvalidModuleException on simplest examples

IDE. Run Configurations

• KT-34632 Kotlin/JS: Can not run single test method
• KT-35038 Running a test in a multi-module MPP project via IntelliJ Idea gutter action produces incorrect Gradle Run configuration

IDE. Script

• KT-34688 Many "scanning dependencies for script definitions progresses at the same time
• KT-35886 UI Freeze: ScriptClassRootsCache.hasNotCachedRoots 25 seconds

IDE. Tests Support

• KT-33787 IDE tests: Not able to run single test using JUnit

IDE. Wizards

New Features

• KT-36043 Gradle, JS: Add continuous-mode run configuration in New Project Wizard templates

Fixes

• KT-35584 New Project wizard: module names restrictions are too strong with no reason
• KT-35690 New Project wizard: artifact and group fields are mixed up
• KT-35694 New Project wizard creates settings.gradle.kts even for Groovy DSL
• KT-35695 New Project wizard uses kotlin () call for dependencies in non-MPP Groovy-DSL JVM project
• KT-35710 New Project wizard creates non-Java source/resource roots for Kotlin/JVM JPS
• KT-35711 New Project wizard: Maven: "Kotlin Test framework" template adds wrong dependency
• KT-35712 New Project wizard: source root templates: switching focus from root reverts custom settings to default
• KT-35713 New Project wizard: custom settings for project name, artifact and group ID are reverted to default on Previous/Next
• KT-35715 New Project wizard: Maven: custom repository required for template (ktor) is not added to pom.xml
• KT-35718 New Project wizard: Gradle: ktor: not existing repository is added
• KT-35719 New Project wizard: Multiplatform library: entryPoint specifies not existing class name
• KT-35720 New Project wizard: Multiplatform library: Groovy DSL: improve the script for nativeTarget calculation

JS. Tools

• KT-35198 Kotlin/JS: with references to NPM/.kjsm library DCE produces invalid resulting JavaScript
• KT-36349 KJS: JS DCE use file's timestamps to compare files. It conflicts with gradle configuration 'preserveFileTimestamps = false'.

JavaScript

• KT-30517 KJS generates wrong call for secondary constructor w/ default argument when class inherited by object expression
• KT-33149 Lambda is not a subtype of Function<*>
• KT-33327 JS IR backend works incorrectly when function and property have the same name
• KT-33334 JS IR backend can't access private var from internal inline function

Libraries

New Features

• KT-7657 scan() functions for Sequences and Iterable
• KT-15363 Builder functions for basic containers
• KT-21327 Add Deque & ArrayDeque to Kotlin standard library
• KT-33069 StringBuilder common functions
• KT-33761 reduceOrNull: reduce that doesn't throw on empty input
• KT-35347 Create method Collection.randomOrNull()
• KT-36118 Provide API for subtyping relationship between CoroutineContextKey and elements associated with this key

Fixes

• KT-17544 JS: document array destructuring behavior
• KT-33141 UnderMigration annotation is defined in Kotlin, but supposed to be used from Java
• KT-33447 runCatching docs suggests it catches exceptions but it catches throwables
• KT-35175 Clarify documentation for XorWowRandom
• KT-35299 Float.rangeTo(Float): ClosedFloatingPointRange<Float> doesn't exist in the common stdlib.

Reflection

• KT-14720 Move KClass.cast / KClass.isInstance into kotlin-stdlib
• KT-33646 Make KClass.simpleName available on JVM without kotlin-reflect.jar
• KT-34586 Make KClass.qualifiedName available on JVM without kotlin-reflect.jar

Tools. CLI

• KT-29933 Support relative paths in -Xfriend-paths
• KT-34119 Add JVM target bytecode version 13
• KT-34240 CLI kotlinc help -include-runtime has redundant space

Tools. Gradle

• KT-25206 Delegate build/run to gradle results regularly in cannot delete proto.tab.value.s
• KT-35181 Make kapt Gradle tasks compatible with instant execution

Tools. Gradle. JS

New Features

• KT-30659 Run NodeJS debugger when running debug gradle task from IDEA
• KT-32129 Karma: support debugging
• KT-32179 DSL: allow npm in root dependencies section of single platform projects
• KT-32283 Webpack: Allow to configure Webpack mode
• KT-32323 Webpack: support optimized webpack bundle
• KT-32785 Webpack: Asset bundling in distributions folder

Fixes

• KT-30917 Tests: Inner classes mapped incorrectly in short test fail message
• KT-31894 ithout Kotlin sources browserRun makes the build fail
• KT-34946 DCE require some/all transitive dependencies. Invalid compilation result otherwise
• KT-35318 IllegalStateException on clean build with left-pad package and generateKotlinExternals=true
• KT-35428 Gradle dependency with invalid package.json
• KT-35598 Actualize NPM dependencies in 1.3.70
• KT-35599 Actualize Node and Yarn versions in 1.3.70
• KT-36714 Webpack output doesn't consider Kotlin/JS exports (library mode)

Tools. Gradle. Multiplatform

• KT-31570 Deprecate Kotlin 1.2.x MPP Gradle plugins
• KT-35126 Support Gradle instant execution for Kotlin/JVM and Android tasks
• KT-36469 Dependencies with compileOnly scope are not visible in Gradle build of MPP with source set hierarchies support

Tools. Gradle. Native

• KT-29395 Allow setting custom destination directory for Kotlin/Native binaries
• KT-31542 Allow changing a name of a framework created by CocoaPods Gradle plugin
• KT-32750 Support subspecs in CocoaPods plugin
• KT-35352 MPP Gradle plugin: Support exporting K/N dependencies to shared and static libraries
• KT-35934 Gradle MPP plugin: Spaces are not escaped in K/N compiler parameters
• KT-35958 Kotlin/Native: Gradle: compiling test sources with no sources in main roots halts the Gradle daemon

Tools. J2K

New Features

• KT-21811 Convert string concatenation into multiline string

Performance Improvements

• KT-16774 UI Freeze: J2K, PlainTextPasteImportResolve: IDEA freezes for 10+ seconds when copy-pasting Java code from external source to Kotlin file

Fixes

• KT-18001 Multi-line comments parsed inside Kdoc comments
• KT-19574 Code with inferred default parameters and parameter vs property name clashes
• KT-32551 Non-canonical modifiers order inspection is not applied during convertion of inner super class
• KT-33637 Property with getter is converted into incompailable code if backing field was not generated
• KT-34673 First comment in function (if, for, while) block is moved to declaration line of block
• KT-35081 Invalid code with block comment (Javadoc)
• KT-35152 J2K breaks formatting by moving subsequent single line comments to first column
• KT-35395 UninitializedPropertyAccessException through org.jetbrains.kotlin.nj2k.conversions.ImplicitCastsConversion when anonymous inner class passes itself as argument to outer method
• KT-35431 "Invalid PSI class com.intellij.psi.PsiLambdaParameterType" with lambda argument in erroneous code
• KT-35476 Expression with compound assignment logical operator is changing operator precedence without parentheses
• KT-35478 Single line comment before constructor results in wrong code
• KT-35739 Line break is not inserted for private property getter
• KT-35831 Error on inserting plain text with \r char

Tools. Scripts

• KT-34274 Add support for @CompilerOptions annotation in kotlin-main-kts
• KT-34716 Implement default cache in main-kts
• KT-34893 Update apache ivy version in kotlin-main-kts
• KT-35413 Implement "evaluate expression" command line parameter and functionality in the JVM cli compiler
• KT-35415 Implement script and expression evaluation in the kotlin runner
• KT-35416 load main-kts script definition by default in the jvm compiler, if the jar is available

Tools. kapt

• KT-30164 Default field value not transmitted to Java source model for mutable properties
• KT-30368 Deprecated information not transmitted to Java source model
• KT-32832 Turn worker API on by default
• KT-33617 Java 9+: "IllegalStateException: Should not be called!"
• KT-34167 Annotation Processor incorrectly marked as isolating causes full rebuild silently.
• KT-34258 kapt.incremental.apt=true makes build failed after moving annotation processor files
• KT-34569 Kapt doesn't handle methods with both the @Override annotation and override keyword
• KT-36113 Enabling kapt.incremental.apt makes remote build cache miss via classpathStructure$kotlin_gradle_plugin property

1.3.61

Compiler

• KT-35004 "AssertionError: Unsigned type expected" in when range check in extension on unsigned type

IDE

• KT-34923 [Regression] KtUltraLightMethod.hasModifierProperty("native") returns false for external Kotlin functions

Libraries

• KT-21445 W3C DOM Touch events and interfaces are incomplete / missing

Tools. Compiler Plugins

• KT-34991 kotlinx.serialization: False warning "Explicit @Serializable annotation on enum class is required when @SerialName or @SerialInfo annotations are used on its members"

Tools. J2K

• KT-34987 New J2K converter: @NotNull annotations are not removed after converting java code to kotlin
• KT-35074 J2K: No auto conversion in 'for' loop with multiple init variables

Content

The release contains the JVM version of Kotlin compiler and also one native system dependent version for every major platform (Linux, macOS, and Windows).

CHANGELOG

1.3.60

Android

• KT-27170 Android lint tasks fails in Gradle with MPP dependency

Compiler

New Features

• KT-31230 Refine rules for allowed Array-based class literals on different platforms: allow Array::class everywhere, disallow Array<...>::class on non-JVM
• KT-33413 Allow 'break' and 'continue' in 'when' statement to point to innermost surrounding loop

Performance Improvements

• KT-14513 Suboptimal compilation of lazy delegated properties with inline getValue
• KT-28507 Extra InlineMarker.mark invocation in generated suspending function bytecode
• KT-29229 Intrinsify 'in' operator for unsigned integer ranges

Fixes

• KT-7354 Confusing error message when trying to access package local java class
• KT-9310 Don't make interface and DefaultImpls methods synchronized
• KT-11430 Improve diagnostics for dangling lambdas
• KT-16526 Provide better error explanation when one tries to delegate var to read-only delegate
• KT-20258 Improve annotation rendering in diagnostic messages
• KT-22275 Unify exceptions from null checks
• KT-27503 Private functions uses from inside of suspendCoroutine go though accessor
• KT-28938 Coroutines tail-call optimization does not work for generic returns that had instantiated to Unit
• KT-29385 "AnalyzerException: Expected an object reference, but found I" for EXACTLY_ONCE non-inline contract with captured class constructor parameter
• KT-29510 "RuntimeException: Trying to access skipped parameter" with EXACTLY_ONCE contract and nested call of crossinline lambda
• KT-29614 java.lang.VerifyError: Bad type on operand stack - in inlining, crossinline in constructor with EXACTLY_ONCE contract
• KT-30275 Get rid of session in FirElement
• KT-30744 Invoking Interface Static Method from Extension method generates incorrect jvm bytecode
• KT-30785 Equality comparison of inline classes results in boxing
• KT-32217 FIR: support delegated properties resolve
• KT-32433 NI: UninferredParameterTypeConstructor with class property
• KT-32587 NI: Type mismatch "String" vs "String" in IDE on generic .invoke on generic delegated property
• KT-32689 Shuffled line numbers in suspend functions with elvis operator
• KT-32851 Constraint for callable reference argument doesn't take into account use-site variance
• KT-32864 The line number of assertFailsWith in suspending function is lost
• KT-33125 NI: "Rewrite at slice INDEXED_LVALUE_SET" with Mutable Map set index operator inside "@kotlin.BuilderInference" block
• KT-33414 'java.lang.AssertionError: int type expected, but null was found in basic frames' in kotlin-io while building library train
• KT-33421 Please make NOTHING_TO_INLINE warning shorter
• KT-33504 EA-209823 - ISE: ProjectResolutionFacade$computeModuleResolverProvider$resolverForProject$$.invoke: Can't find builtIns by key CacheKeyBySdk
• KT-33572 Scripting import with implicit receiver doesn't work
• KT-33821 Compiler should not rely on the default locale when generating boxing for suspend functions
• KT-18541 Prohibit "tailrec" modifier on open functions
• KT-19844 Do not render type annotations on symbols rendered in diagnostic messages
• KT-24913 KotlinFrontEndException with local class in init of generic class
• KT-28940 Concurrency issue for lazy values with the post-computation phase
• KT-31540 Change initialization order of default values for tail recursive optimized functions

Docs & Examples

• KT-26212 Update docs to explicitly mention that union is opposite of intersect
• KT-34086 Website, stdlib api docs: unresolved link jvm/stdlib/kotlin.text/-charsets/Charset

IDE

Fixes

• KT-8581 'Move Statement' doesn't work for statement finished by semicolon
• KT-9204 Shorten references and some other IDE features have problem when package name clash with class name
• KT-17993 Annotations are colored the same as language keywords
• KT-21037 LazyLightClassMemberMatchingError$WrongMatch “Matched :BAR MemberIndex(index=0) to :BAR MemberIndex(index=1) in KtLightClassImpl” after duplicating values inside enum class
• KT-23305 We should be able to see platform-specific errors in common module
• KT-23461 Move statement up/down attaches a comment block to the function being moved
• KT-26960 IDE doesn't report actual without expect placed into a custom platform-agnostic source set
• KT-27243 LazyLightClassMemberMatchingError when overriding hidden member
• KT-28404 Gradle configuration page is missing from a New Project Wizard creation flow for multiplatform templates
• KT-30824 No highlighting of declaration/usage of function with functional-type (lambda) parameter on its usage
• KT-31117 AssertionError at CompletionBindingContextProvider._getBindingContext when typing any character within string with injected Kotlin
• KT-31139 "Override members" on enum inserts semicolon before enum body
• KT-31810 Paste inside indented .trimIndent() raw string doesn't respect indentation
• KT-32401 Exceptions while running IDEA in headless mode for building searchable options
• KT-32543 UltraLight support for Kotlin collections.
• KT-32544 Support UltraLight classes for local/anonymous/enum classes
• KT-32799 2019.2 RC (192.5728.74) Kotlin plugin exception during build searchable options (Directory index may not be queried for default project)
• KT-33008 IDEA does not report in MPP: Upper bound of a type parameter cannot be an array
• KT-33316 Kotlin Facet: make sure the order of allPlatforms value is fixed
• KT-33561 LazyLightClassMemberMatchingError when overloading synthetic member
• KT-33584 Make kotlin light classes return no-arg constructor when no-arg (or jpa) compiler plugin is enabled
• KT-33775 please remove usages of org.intellij.plugins.intelliLang.inject.InjectorUtils#putInjectedFileUserData(com.intellij.lang.injection.MultiHostRegistrar, com.intellij.openapi.util.Key<T>, T) deprecated eons ago
• KT-33813 Poor formatting of 'Selected target platforms' and 'Depends on' in facet settings
• KT-33937 delay() completion from kotlinx.coroutines causes happening of root package in code
• KT-33973 Kotlin objects could abuse idea plugin functionality
• KT-34000 Import quickfix does not work for extension methods from objects
• KT-34070 "No target platforms selected" message for commonTest facet at mobile shared library project
• KT-34191 Since-build .. until-build compatibility ranges are the same for 192 and 193 IDE plugins
• KT-21153 IDE: string template + annotation usage: ISE: "Couldn't get delegate" at LightClassDataHolderKt.findDelegate()
• KT-33352 "KotlinExceptionWithAttachments: Couldn't get delegate for class" on nested class/object
• KT-34042 "Error loading Kotlin facets. Kotlin facets are not allowed in Kotlin/Native Module" in 192 IDEA
• KT-34237 MPP with Android target: common* source sets are not shown as source roots in IDE
• KT-33626 Deadlock with Kotlin LockBasedStorageManager in IDEA commit dialog
• KT-34402 Unresolved reference to Kotlin.test library in CommonTest in Multiplatform project without JVM target
• KT-34639 Multiplatform project with the only (Android) target is incorrectly imported into IDE

IDE. Completion

• KT-10340 Import completion unable to shorten fq-names when there is a conflict between package name and local identifier
• KT-17689 Code completion for enum typealias doesn't show members
• KT-28998 Slow completion for build.gradle.kts (Kotlin Gradle DSL script)
• KT-30996 DSL extension methods which are not applicable are offered for completion
• KT-31902 Fully qualified name is used for delay instead of import and just method name
• KT-33903 Duplicating completion for imported extensions from companion objects

IDE. Debugger

• KT-10984 Disallow placing line breakpoints without executable code (changed)
• KT-22116 Support function breakpoints
• KT-24408 @InlineOnly: Misleading status for breakpoints in inline functions
• KT-27645 Debugger breakpoints do not work in suspend function executed in SpringBoot controller (MVC and WebFlux)
• KT-32687 Disallow breakpoints for @InlineOnly function bodies
• KT-32813 Exception on invoking "Smart Step Into"
• KT-32830 NPE on changing class property in Evaluate Expression window
• KT-33064 “Read access is allowed from event dispatch thread or inside read-action only” from KotlinLineBreakpointType.createLineSourcePosition on adding new line before the current one while stopping on breakpoint
• KT-11395 Breakpoint inside lambda argument of InlineOnly function doesn't work

IDE. Folding

• KT-6314 Folding of "when" construction

IDE. Gradle

• KT-33038 Package prefix is not imported in non-MPP project
• KT-33987 Serialization exception during importing Kotlin project in IDEA 192
• KT-32960 KotlinMPPGradleModelBuilder takes a long time to process when syncing non-MPP project with IDE
• KT-34424 With Kotlin plugin in Gradle project without Native the IDE fails to start Gradle task: "Kotlin/Native properties file is absent at null/konan/konan.properties"
• KT-34256 Fail to use multiplatform modules with dependsOn with android plugin
• KT-34663 Low performance of MPP 1.2 during import with module-per-source-set enabled

IDE. Gradle. Script

• KT-31766 Gradle Kotlin DSL new project template: use type-safe model accessors
• KT-34463 New Gradle-based project template misses pluginManagement{} block in EAP branch
• KT-31767 Gradle Kotlin DSL new project template: use settings.gradle.kts

IDE. Inspections and Intentions

New Features

• KT-26431 Quickfix to remove redundant label
• KT-28049 Suggest import quickfix for operator extension functions
• KT-29622 "Move to separate file" intention should also work for sealed class
• KT-33178 Use a new compiler flag -Xinline-classes during enabling the feature via IDEA intention
• KT-33586 "Constructors are not allowed for objects" diagnostic needs quickfix to change object to class

Fixes

• KT-12291 Override/Implement Members: better member positioning inside the class
• KT-14899 Quickfix "Create member function" inserts too many semicolons when applied to Enum
• KT-15700 "Convert lambda to reference" does not work with backtick-escaped references
• KT-18772 "Introduce subject to when": don't choose an object or a constant as the subject
• KT-21172 Join declaration and assignment should place the result at the assignment, not at declaration
• KT-25697 Replace with dot call quickfix breaks formatting
• KT-26635 An empty line is added after actual modifier on "Create actual annotation class..." quick fix applied to annotation if it is annotated with comment
• KT-27270 "Add jar to classpath" quick fix modifies build.gradle of MPP project in a way that fails to be imported
• KT-28471 "Add initializer" quickfix initializes non-null variable with null
• KT-28538 create expected ... quick fix illegally creates expect member with a usage of a platform-specific type
• KT-28549 Create actual/expect quick fix for class/object doesn't add import for an inherited member
• KT-28620 Create expect/actual ... quick fix could save @Test annotation on generation
• KT-28740 AE “2 declarations in var bar: [ERROR : No type, no body]” after applying “Create actual class” quick fix for class with property which has not specified type
• KT-28947 Backing field has created after applying “Create expected class in common module...” intention
• KT-30136 False negative "Redundant explicit 'this'" with local variable
• KT-30794 Quickfix for unchecked cast produces invalid code
• KT-31133 Liveness analysis on enum does not take into account calls to 'values'
• KT-31433 Incorrect "Create expected class..." for class with supertype
• KT-31475 "Create expect..." should delete 'override' modifier
• KT-31587 Redundant private modifier before primary constructor after create actual class
• KT-31921 "Create expected ..."/"Create actual..." quick fix: val and vararg modifiers are misordered in the generated expect/actual declaration
• KT-31999 "Variable declaration could be moved into when" inspection suggests to inline expression containing return (throw) statement
• KT-32012 Change parameter type quick fix: Don't use qualified name
• KT-32468 False positive SimplifiableCall "filter call could be simplified to filterIsInstance" with expression body function and explicit return type
• KT-32479 False positive "Redundant overriding method" with derived property and base function starting with get, set or is (Accidental override)
• KT-32571 "Create expect" quick fix incorrectly treats multiplatform stdlib typealiased types as platform-specific ones
• KT-32580 "Remove braces" QF for single-expression function with inferred lambda return type: "ClassCastException: class kotlin.reflect.jvm.internal.KClassImpl cannot be cast to class kotlin.jvm.internal.ClassBasedDeclarationContainer"
• KT-32582 Ambiguous message for [AMBIGUOUS_ACTUALS] error (master)
• KT-32586 "Make member open" quick fix doesn't update all the related actualisations of an expected member
• KT-32616 "To ordinary string literal" doesn't remove indents, newlines and trimIndent
• KT-32642 "Create expect" quick fix doesn't warn about a platform-specific annotation applied to the generated member
• KT-32650 "Replace 'if' with 'when'" removes braces from 'if' statement
• KT-32694 "Create expect"/"create actual" quick fix doesn't transfer use-site annotations
• KT-32737 "Create expect" quick fix adds actual modifier to an interface function with default implementation without a warning
• KT-32768 "Create expect" quick fix doesn't warn about a local supertype of an actual class while generating an expected declaration
• KT-32829 "Add .jar to the classpath" quick fix creates "compile"/"testCompile" dependencies in build.gradle
• KT-32972 No "remove braces" inspection for ${this}
• KT-32981 "Create enum constant" quick fix adds redundant empty line
• KT-33060 "Cleanup code" does not remove 'final' keyword for overridden function with non-canonical modifiers order
• KT-33115 "Replace overloaded operator with function call" intention should not be shown on incomplete expressions
• KT-33150 Don't suggest create expect function from function with private modifier
• KT-33153 False positive "Redundant overriding method" when overriding package private method
• KT-33204 False positive "flatMap call could be simplified to flatten()" with Array
• KT-33299 "Create type parameter from usage" should work with backticks
• KT-33300 "Create type parameter from usage" suggests for top level property
• KT-33302 KNPE after "Create type parameter from usage" with typealias
• KT-33357 'java.lang.Throwable: Assertion failed: Refactorings should be invoked inside transaction 'exception occurs when extracting sealed class from file with the same name
• KT-33362 Inspection "Extract class from current file" is not available for 'sealed' keyword
• KT-33437 “Argument rangeInElement (0,1) endOffset must not exceed descriptor text range (0, 0) length (0).” on creating Kotlin Script files inside package
• KT-33612 "Replace with safe call" quick fix moves code to another line
• KT-33660 "Convert to anonymous object" with nested SAM interface inserts object keyword in the wrong place
• KT-33718 "Create enum constant" quick fix adds after semicolon
• KT-33754 Improve error hint message for "Create expect/actual..."
• KT-33880 "Convert to range check" produces code that is subject to ReplaceRangeToWithUntil for range with exclusive upper bound
• KT-33930 Don't suggest "create expect" quick fix on lateinit and const top-level properties
• KT-33981 “KotlinCodeInsightWorkspaceSettings is registered as application service, but requested as project one” on opening QF menu for some fixes in IJ193
• KT-32965 False positive "Redundant qualifier name" with nested enum member call
• KT-33597 False positive "Redundant qualifier name" with class property initialized with same-named object property
• KT-33991 False positive "Redundant qualifier name" with enum member function call
• KT-34113 False positive "Redundant qualifier name" with Enum.values() from a different Enum

IDE. KDoc

• KT-20777 KDoc: Type parameters are not shown in sample code

IDE. Multiplatform

• KT-26333 IDE incorrectly requires actual implementations to be present in all the project source sets
• KT-28537 Platform-specific type taken from a dependency module isn't reported in common code
• KT-32562 Provide a registry key to enable/disable hierarchical multiplatform mechanism in IDE

IDE. Navigation

• KT-28075 Duplicate "implements" gutter icons on some interfaces
• KT-30052 Duplicated "is subclassed" editor gutter icons
• KT-33182 com.intellij.idea.IdeStarter#main has four (!) icons, should be two

IDE. REPL

• KT-33329 IllegalArgumentException in REPL

IDE. Refactorings

• KT-24929 'Search for references' checkbox state isn't saved on move of kotlin file
• KT-30342 Move refactoring: suggest file name starting with an uppercase letter
• KT-32426 Invalid code format after "Pull Members Up" on function with comment and another indent
• KT-32496 "Problems Detected" dialog message about conflicting declarations on moving file to another package is absolutely unreadable
• KT-33059 Exception [Assertion failed: Write access is allowed inside write-action only] in case of Move class to nonexistent folder
• KT-33972 Change signature should affect all hierarchy

IDE. Run Configurations

• KT-34366 Implement gutters for running tests (multi-platform projects)

IDE. Scratch

• KT-23986 No access to stdout output in Kotlin scratch
• KT-23989 Scratch: allow copy of a scratch output
• KT-28910 Add hint for Make before Run checkbox
• KT-29407 strange output for long strings
• KT-31295 Kotlin worksheet in projects, not as scratch files
• KT-32366 Sidebar as alternative output layout
• KT-33585 Synchronized highlighting of the main editor and side panel

IDE. Script

• KT-30206 Settings / ... / Kotlin Scripting with no project opened causes ISE: "project.baseDir must not be null" at ScriptTemplatesFromDependenciesProvider.loadScriptDefinitions()
• KT-32513 Intellij hangs in ApplicationUtilsKt.runWriteAction through ScriptDependenciesLoader$submitMakeRootsChange$doNotifyRootsChanged$1.run

IDE. Wizards

• KT-27587 Bump Android build tools version at Multiplatform (Android/iOS) template of the New Project Wizard
• KT-33927 MPP, Kotlin New project wizard: broken project generation
• KT-34108 Gradle Kotlin DSL: generated project with tasks element fails on configuration stage with Gradle 4.10
• KT-34154 New Project wizard: build.gradle.kts: type-safe code sets JVM 1.8 for main, but JVM 1.6 for test
• KT-34229 New Project wizard: IDEA 193+: Mobile Android/iOS: creating another project of this type tries to write into previous one

JavaScript

• KT-12935 Generated source maps for JS mention nonexistent dummy.kt
• KT-26701 JS, rollup.js: Application can't depend on a library if both sourcemaps reference "dummy.kt"

Libraries

• KT-26309 Avoid division in string-to-number conversions
• KT-27545 File.copyTo: unclear error message when it fails to delete the destination
• KT-28804 Wrong parameter name in kotlin.text.contentEquals
• KT-32024 Modify Iterable<T>.take(n) implementation not to call .next() more than necessary
• KT-32532 MutableList<T>.removeAll is lacking documentation
• KT-32728 CollectionsKt.windowed throws IllegalArgumentException (Illegal Capacity: -1) when size param is Integer.MAX_VALUE due to overflow operation
• KT-33864 Read from pseudo-file system is empty

Reflection

• KT-13936 KotlinReflectionInternalError on invoking callBy on overridden member with inherited default argument value
• KT-17860 Improve KParameter.toString for receiver parameters

Tools

• KT-17045 Drop MaxPermSize support from compiler daemon
• KT-32259 org.jetbrains.annotations module exported from embeddable compiler, causes problems in Java modular builds

Tools. Android Extensions

• KT-32096 IDE plugin doesn't recognize that Parcelize is no longer experimental

Tools. CLI

• KT-24991 CLI: Empty classpath in kotlin script except for kotlin-runner.jar
• KT-26624 Set Thread.contextClassLoader when running programs with 'kotlin' launcher script or scripts with 'kotlinc -script'
• KT-24966 Classloader problems when running basic kafka example with kotlin and kotlinc

Tools. Compiler Plugins

• KT-29471 output from jvm-api-gen plugin on classpath crashes downstream kotlinc-jvm: inline method with inner class
• KT-33630 cannot use @kotlinx.serialization.Transient and lateinit together on 1.3.50

Tools. Daemon

• KT-32992 Enable assertions in Kotlin Compile Daemon
• KT-33027 Compilation with daemon fails, because IncrementalModuleInfo#serialVersionUID does not match

Tools. Gradle

New Features

• KT-20760 Kotlin Gradle Plugin doesn't allow for configuring friend paths through API
• KT-34009 Associate compilations in the target–compilation project model

Performance Improvements

• KT-31666 Kotlin plugin configures all tasks in a project when kotlin.incremental is enabled

Fixes

• KT-17630 User test Gradle source set code cannot reach out internal members from the production code
• KT-22213 Android Extensions experimental mode doesn't work with Gradle Kotlin DSL
• KT-31077 android.kotlinOptions block is lacking its type
• KT-31641 Kapt configurations miss attributes to resolve MPP dependencies: Cannot choose between the following variants ...
• KT-31713 ConcurrentModificationException: Realize Pending during execution phase
• KT-32678 Bugfixes in HMPP source set visibility
• KT-32679 Testing & test tasks API in the target–compilation model
• KT-32804 Kapt-generated Java sources in jvm+withJava MPP module are not compiled and bundled
• KT-32853 ConcurrentModificationException when compiling with Gradle.
• KT-32872 Gradle test runner for Native does not show failed build if process quit without starting printing results.
• KT-33105 kapt+withJava in multiplatform module depending on other multiplatform fails on 1.3.50-eap-54
• KT-33469 Drop support for Gradle versions older than 4.3 in the Kotlin Gradle plugin
• KT-33470 Drop support for Gradle versions older than 4.9 in the Kotlin Gradle plugin
• KT-33980 Read the granular source sets metadata flag value once and cache it for the current Gradle build
• KT-34312 UnsupportedOperationException on requiresVisibilityOf in the Kotlin Gradle plugin

Tools. Gradle. JS

New Features

• KT-31478 Gradle, JS tests, Karma: Support sourcemaps in Gradle stacktraces
• KT-32073 Gradle, JS, karma: parse errors and warnings from karma output
• KT-32075 Gradle, JS, karma: download chrome headless using puppeteer

Fixes

• KT-31663 Gradle/JS: with not installed browser specified for browser test the response is "Successful, 0 tests found"
• KT-32216 Gradle, JS, tests: filter doesn't work
• KT-32224 In Gradle Kotlin/JS projects, the browserWebpack task does not rerun when the main compilation's outputs change
• KT-32281 Gradle, JS, karma: Headless chrome output is not captured
• KT-33288 JS: Incorrect bundle with webpack output.library and source maps
• KT-33313 When a Kotlin/JS test task runs using a custom compilation, it doesn't track the compilation outputs in its up-to-date checks
• KT-33547 Template JS Client and JVM Server works wrong on 1.3.50 Kotlin
• KT-33549 Gradle Kotlin/JS external declarations: search for typings key inside package.json
• KT-33579 Js tests with mocha cannot be run
• KT-33710 Task "generateExternals" for automatic Dukat execution does not work
• KT-33716 Gradle, Yarn: yarn is not downloading via YarnSetupTask
• KT-34101 CCE class org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTest_Decorated cannot be cast to class org.gradle.api.provider.Provider on importing Gradle project with JS
• KT-34123 "Cannot find node module "kotlin-test-js-runner/kotlin-test-karma-runner.js"" in JS Client and JVM Server new project wizard template
• KT-32319 Gradle, js, webpack: source-map-loader failed to load source contents from relative urls
• KT-33417 NodeTest failed with error "Failed to create MD5 hash" after NodeRun is executed
• KT-33747 Exception doesn't fail the test in kotlin js node runner
• KT-33828 jsPackageJson task fails after changing artifact origin repository
• KT-34460 NPM packages clash if declared in dependencies and devDependencies both
• KT-34555 [Kotlin/JS] Unsafe webpack config merge

Tools. Gradle. Native

• KT-33076 MPP Gradle plugin: Produce final native binaries from compilation output instead of sources
• KT-33645 Kotlin/Native: Compilation failure if a library passed by the -Xinclude option contains a constructor annotated with @OverrideInit
• KT-34259 MPP Gradle plugin: Support fat frameworks for watchOS and tvOS
• KT-34329 Support watchOS and tvOS in CocoaPods Gradle plugin

Tools. J2K

New Features

• KT-7940 J2K: convert Integer.MAX_VALUE to Int.MAX_VALUE
• KT-22412 J2K: Intention to replace if(...) throw IAE with require
• KT-22680 Request: when converting Java->Kotlin, try to avoid creating functions for constant fields (static final)

Performance Improvements

• KT-33725 Java->Kotlin converter on paste performs expensive reparse in unrelated contexts
• KT-33854 J2K conversion of Interface freezes UI for more than 10 seconds without progress dialog
• KT-33875 [NewJ2K] InspectionLikeProcessingGroup pipeline rework: query isApplicable in parallel for all element first, apply relevant after in EDT

Fixes

• KT-19603 A mutable container property updated from another class converts to red code
• KT-19607 Static member qualified by child class converted to red code
• KT-20035 Automatic conversion from Java 1.8 to Kotlin 1.1.4 using Idea 2017.2.2: null!!
• KT-21504 J2K: Convert Long.parseLong(s) to s.toLong()
• KT-24293 Bug: conversion of Java "List" into Kotlin doesn't produce "MutableList"
• KT-32253 Converting Java class with field initialized by constructor parameter used to initialize a different field or named as a different field produces red code
• KT-32696 New J2K: java List is wrongly converted when pasting it to Kotlin file
• KT-32903 J2K: Static import is converted to unresolved reference
• KT-33235 Remove "Replace guard clause with kotlin's function call" inspection and tranform it to J2K post-processing
• KT-33434 UninitializedPropertyAccessException occurs after J2K convertion of package with custom functional interface and it's usage
• KT-33445 Two definitions of org.jetbrains.kotlin.idea.j2k.J2kPostProcessing in Kotlin 1.3.50-rc
• KT-33500 Unresolved reference after J2K convertion of isNaN/isFinite
• KT-33556 J2K converter fails on statically imported global overloaded functions
• KT-33679 Result of assignment with operation differs in kotlin after J2K conversion
• KT-33687 Extra empty lines are added after comment after J2K conversion
• KT-33743 Reference to static field outside its class is unresolved after J2K conversion
• KT-33756 J2K: main method with varargs is converted to non-runnable main kotlin method
• KT-33863 java.lang.IllegalStateException: argument must not be null exception occurs on J2K conversion of Generic class usage without type parameter
• KT-19355 "Variable expected" error after J2K for increment/decrement of an object field
• KT-19569 Java wrappers for primitives are converted to nullable types with nullability errors in Kotlin
• KT-30643 J2K: wrong position of TYPE_USE annotation
• KT-32518 Nullability information is lost after J2K convertion of constructor with null parameter
• KT-33941 J2K: Overload resolution ambiguity with assertThat and StackOverflowError in IDEA
• KT-33942 New J2K: StackOverflowError from org.jetbrains.kotlin.nj2k.inference.common.BoundTypeCalculatorImpl.boundTypeUnenhanced
• KT-34164 J2K: on converting static method references in other .java sources are not corrected
• KT-34165 J2K: imports are lost in conversion, references resolve to different same-named classes
• KT-34266 Multiple errors after converting Java class implementing an interface from another file

Tools. JPS

• KT-33808 JPS compilation is not incremental in IDEA 2019.3

Tools. Maven

• KT-34006 Maven plugin do not consider .kts files as Kotlin sources
• KT-34011 Kotlin scripting plugin is not loaded by default from kotlin maven plugin

Tools. REPL

• KT-27956 REPL/Script: extract classes and names right from ClassLoader

Tools. Scripts

• KT-31661 ClassNotFoundException in runtime for 'kotlinc -script' while compilation is fine
• KT-31704 [kotlin-scripting] passing name to String.toScriptSource make script compilation failed
• KT-32234 "Unable to derive module descriptor" when using Kotlin compiler (embeddable) in Java 9+ modular builds
• KT-33529 NCDF running kotlin script from command line
• KT-33554 Classpath not passed properly when evaluating standard script with kotlinc
• KT-33892 REPL/Script: Implement mechanism for resolve top-level functions and properties from classloader
• KT-34294 SamWithReceiver cannot be used with new scripting API

Tools. kapt

• KT-31291 Incremental Kapt: IllegalArgumentException from org.jetbrains.org.objectweb.asm.ClassVisitor.<init>
• KT-33028 Kapt error "Unable to find package java.lang in classpath or bootclasspath" on JDK 11 with -source 8
• KT-33050 kapt does not honor source/target compatibility of enclosing project
• KT-33052 Kapt generates invalid java stubs for enum members with class bodies on JDK 11
• KT-33056 Incremental kapt is disabled due to javaslang.match.PatternsProcessor processor on classpath when Worker API is enabled
• KT-33493 1.3.50, org.jetbrains.org.objectweb.asm.ClassVisitor.<init>
• KT-33515 Incremental kapt fails when I remove an annotated file
• KT-33889 Incremental KAPT: NoSuchMethodError: 'java.util.regex.Pattern com.sun.tools.javac.processing.JavacProcessingEnvironment.validImportStringToPattern(java.lang.String)'
• KT-33503 Kapt, Spring Boot: "Could not resolve all files for configuration ':_classStructurekaptKotlin'"
• KT-33800 KAPT aptMode=compile fails to compile certain legitimate code

Kotlin Native

Related Kotlin Native changelog can be found separately.

Content

The release contains the JVM version of Kotlin compiler and also one native system dependent version for every major platform (Linux, macOS, and Windows).

CHANGELOG

1.3.50

Compiler

• KT-12787 Debugger: Generate line number at end of function (to set a breakpoint on the last line of the block)
• KT-23675 "Parameter specified as non-null is null: method org.jetbrains.kotlin.codegen.FrameMapBase.getIndex, parameter descriptor" when classes are defined inside an anonymous extension function and access a field of the extension function's this instance
• KT-24596 Refactor / Inline const property does not insert its value into usage in annotation
• KT-25497 kotlinx.serialization - throws Backend Internal error exception during code generation of sealed classes
• KT-28927 "IllegalStateException: Arrays of class literals are not supported yet" in AnnotationDeserializer.resolveArrayElementType
• KT-31070 IndexOutOfBoundsException in Analyzer with @JvmOverloads constructor with 34+ parameters
• KT-31265 FIR: experimental compiler
• KT-31535 False positives from compiler warning IMPLICIT_NOTHING_AS_TYPE_PARAMETER
• KT-31969 NI: false positive USELESS_ELVIS with multiple elvis calls
• KT-32044 For loop over full UByte range terminates at UInt bound.
• KT-25432 No smartcast on qualifier expression of captured type
• KT-30796 psi2ir generates IrErrorType for elvis with generic type having nullable upper-bound when expected type is not nullable
• KT-31242 "Can't find enclosing method" proguard compilation exception with inline and crossinline
• KT-31347 "IndexOutOfBoundsException: Insufficient maximum stack size" with crossinline and suspend
• KT-31367 IllegalStateException: Concrete fake override public open fun (...) defined in TheIssue[PropertyGetterDescriptorImpl@1a03c376] should have exactly one concrete super-declaration: []
• KT-31734 Empty parameter list required on Annotations of function types
• KT-32434 New type inference fails for Caffeine Cache
• KT-32452 Kotlin 1.3.40 - problem in IDE with new type inference and suspending method reference
• KT-32407 NI: "use property access syntax" intention causes freezes in editor
• KT-33127 Script result value is not calculated properly for the last expression
• KT-33157 Inline class with generic method is considered bad class by javac

Docs & Examples

• KT-16602 Provide examples of sorting API usage
• KT-32353 Document order of array elements initialization

IDE

New Features

• KT-28098 Insert space after automatically closed right brace of nested lambda to follow code style

Fixes

• KT-16476 Extend selection (Select Word) doesn't select just KDoc if cursor is just before the KDoc
• KT-21374 Imports optimized tooltip is displayed, even if no changes were made
• KT-21422 IDE can't import class from root package
• KT-27344 MPP: jvmWithJava: no IDE module dependency is created between Kotlin test and Java main on import; Gradle build is successful
• KT-29667 Kotlin update settings has wrong looking text boxes for versions
• KT-30133 Update copyright creates duplicates for build.gradle.kts files
• KT-30782 'Show Method Separators' does not separate expression body Kotlin functions
• KT-31022 Quick definition does not show Kotlin code in Java files
• KT-31499 "Extend selection" selects escaped identifier name together with backticks
• KT-31595 "Complete current statement" for method call closes brace at wrong place
• KT-31637 NPE in IDE when organizing imports
• KT-31786 KNPE at copy attempt due to kdoc reference
• KT-32276 Fix flaky test for ultra light classes
• KT-32364 Remove deprecated usages of OUT_OF_CODE_BLOCK_MODIFICATION_COUNT and write a replacement for Kotlin language
• KT-32370 Lambdas should have implicit return in Kotlin Uast
• KT-12096 Spring: rename of Kotlin bean defined in @Bean annotation fails
• KT-28193 Exception: Mirror element should never be calculated for light classes generated from a single file
• KT-28822 Dependencies in Kotlin MPP project could be wrongly resolved if project was not build before import
• KT-29267 Enable ultra-light classes by default
• KT-31129 Call only Kotlin-specific reference contributors for getting Kotlin references from PSI
• KT-32082 Kotlin facet: 1.3.40 plugin does not properly read target platform settings of 1.3.50 plugin
• KT-32969 Data class extending abstract class with final toString, equals or hashCode causes exception
• KT-33245 IllegalArgumentException exception occurs on Tools->Configure Koltin in Project action in Android Studio

IDE. Completion

• KT-9792 Don't propose the same name for arguments of lambda on completion of function call with lambda template
• KT-29572 Smart completing anonymous object uses incorrect code style
• KT-25264 Freeze in Kotlin file on completion
• KT-32519 Keyword completion: support fixing layout and typo tolerance

IDE. Debugger

New Features

• KT-30740 Display more information about variables when breakpoint is set inside lambda expression

Fixes

• KT-8579 Debugger: Evaluate expression fails at typed arrays
• KT-10183 Debugger: receiver properties are not shown inline in extension function
• KT-11663 Assignment is not possible in Evaluate expression
• KT-11706 Attempts to evaluate java method calls on 'Array' instance in debugger fail with NoSuchMethodError
• KT-11888 Evaluate Expression for expression with synchronized
• KT-11938 Empty condition is marked as error
• KT-13188 Cannot evaluate expression with local extension function
• KT-14421 Debugger: breakpoint set on trivial if/while is not hit
• KT-15259 Debug: closing brace of object definition is considered executable; ISE: "Don't call this method for local declarations: OBJECT_DECLARATION" at LazyDeclarationResolver.getMemberScopeDeclaredIn()
• KT-19084 Breakpoints on Debugger altering Result
• KT-19556 Kotlin exception while debugging IJ plugin code
• KT-19980 Debug: evaluation fails for setter of member extention property
• KT-20560 Evaluate expression doesn't work for super method call
• KT-23526 In *.kts scripts, debugger ignores breakpoints in top-level statements and members
• KT-24914 AS: Uninitialized yet lazy properties called on first debug point reach
• KT-26742 Debugger can't evaluate expected top-level function from common code
• KT-30120 False positive "Unused equals expression" in evaluate expression window
• KT-30730 Missing tooltip for "Kotlin variables view" button
• KT-30919 Debugger's "Kotlin View" doesn't show variables inside lambdas
• KT-30976 Debugger: No access to receiver evaluating named parameters during call to extension function
• KT-31418 java.lang.ClassCastException : java.lang.annotation.Annotation[] cannot be cast to byte[]
• KT-31510 isDumb should be used only under read action: KotlinEvaluator
• KT-31702 Debugger can't stop on breakpoint on Unit expression from coroutine context
• KT-31709 Evaluate: "IllegalArgumentException: Parameter specified as non-null is null: method org.jetbrains.kotlin.codegen.FrameMapBase.getIndex, parameter descriptor" with nested lambda member access
• KT-24829 Access to coroutineContext in 'Evaluate expression'

IDE. Gradle

• KT-19693 Import package prefix from Gradle
• KT-30667 Dependencies of a module on a multiplatform one with a JVM target and withJava() configured, are incorrectly resolved in IDE
• KT-32300 Add possibility to distinguish kotlin source root from java source root
• KT-31014 Gradle, JS: Webpack watch mode
• KT-31843 Memory leak caused by KOTLIN_TARGET_DATA_NODE on project reimport

IDE. Gradle. Script

• KT-31779 "Highlighting in scripts is not available"
• KT-30638 "Highlighting in scripts is not available until all Script Dependencies are loaded" in Diff viewer
• KT-30974 Script dependencies resolution failed error while trying to use Kotlin for Gradle
• KT-31440 Add link to Gradle Kotlin DSL logs when script dependencies resolution process fails
• KT-32483 CNFE org.gradle.kotlin.dsl.KotlinBuildScript on creating new Gradle Kotlin project from wizard
• KT-21501 build.gradle.kts displays failures if not using java sdk for module

IDE. Inspections and Intentions

New Features

• KT-8958 ReplaceWith intention message could be more helpful in case of generic substitution
• KT-12515 Quickfix "by Delegates.notNull()" as replacement for "lateinit" for primitive type
• KT-14344 Suggest to replace manual range with explicit indices call or iteration over collection
• KT-17916 Import popup does not indicate deprecated classes
• KT-23501 Add intention for converting ordinary properties to 'lazy' and vise versa
• KT-25006 Add inspection "'equals()' between objects of inconvertible primitive / enum / string types"
• KT-27353 Quickfix to add a constructor parameter from parent class to child class
• KT-30124 Add inspection to replace java.util.Arrays.equals with contentEquals
• KT-30640 Add inspection for check/require/checkNotNull/requireNotNull
• KT-30775 Inspection for the case when one lateinit var overrides another lateinit var
• KT-31476 Improve "Create expect..." quickfix
• KT-31533 Make "Add operator modifier" an inspection instead of intention
• KT-31795 Inspection: simplify property setter with custom visibility
• KT-31924 Make "add import" intention more flexible based on caret position
• KT-30970 No warning for empty if operator and alsomethod

Fixes

• KT-12567 "Introduce 'when' subject" intention does not work for "this" in extension function
• KT-14369 "Replace elvis expression with 'if" intention produces boilerplate code for 'return' in RHS
• KT-16067 "Replace 'if' expression with elvis expression" suggests replacing an idiomatic code with non-idiomatic
• KT-19643 Tune or disable the FoldInitializerAndIfToElvis inspection
• KT-24439 No method imports suggested
• KT-25786 False positive "Not-null extension receiver of inline function can be made nullable" with operator fun invoke
• KT-25905 False positive for 'LeakingThis' on a method call in enum class body
• KT-27074 False positive "Foldable if-then" with Result type
• KT-27550 "Redundant explicit this" false positive with subclass and extension lambda
• KT-27563 Generate toString in common code shouldn't use java.util.Arrays
• KT-27822 Don't suggest might be const on actual member declaration
• KT-28595 "Assignment should be lifted out of 'if'" false negative for different but compatible derived types
• KT-29192 "Convert property to function" with explicit generic type loses getter body
• KT-29716 With both explicit and implicit package prefixes "Package name does not match containing directory" inspection suggests not usable quick fix
• KT-29731 Don't suggest Add val/var to parameter at expect class constructor
• KT-30191 "Lift out of if" intention isn't suggested for assignment of null
• KT-30197 ReplaceWith for deprecated function adds class literal/callable reference argument above unless it is used in substitution
• KT-30627 "Use property access syntax" produces red code if setter argument is a lambda with implicit SAM conversion
• KT-30804 Property declaration goes to annotation comment when removing only modifier using RemoveModifierFix
• KT-30975 ''when' has only 'else' branch and should be simplified' inspection removes subject variable definition used in else branch
• KT-31033 "Create expect ..." quick fix incorrectly works for a secondary constructor in a multiplatform project
• KT-31272 Expand "create expected ..." quick fix highlighting also to a primary constructor
• KT-31278 Inappropriate "Remove redundant .let call" inspection
• KT-31341 Incorrect quickfix "Replace with Kotlin analog" for conversion to an extension, where the first argument is an expression with an operation
• KT-31359 "Invalid property key" inspection false positive for a bundle with several properties files
• KT-31362 'Move variable declaration into when' quickfix comments left brace with EOL comment
• KT-31443 Remove braces intention places caret in a wrong place
• KT-31446 Incorrect quick fix “Create expected class" for inline class with parameter with actual
• KT-31518 Incorrect "Create expect function" for primary constructor
• KT-31673 Only when keyword should be highlighted in WhenWithOnlyElseInspection
• KT-31716 Decrease severity of PackageDirectoryMismatchInspection to INFO
• KT-31717 Decrease severity of RemoveCurlyBracesFromTemplateInspection
• KT-31816 "Package directive doesn't match file location" for root package is invisible in editor
• KT-31954 MoveVariableDeclarationIntoWhen should move the caret to the subject expression
• KT-32001 Wrong quickfixes for TOO_MANY_ARGUMENTS
• KT-32010 Convert ReplaceSingleLineLetIntention to inspections
• KT-32046 False negative "Redundant qualifier name" with class literal
• KT-32112 False positive "Redundant qualifier name"
• KT-32318 "Remove argument name" intention does not remove square braces for annotation vararg argument
• KT-32320 False negative "Redundant qualifier name" with local object
• KT-32347 Duplicative "Remove redundant 'public' modifier" suggestion for getter
• KT-32365 "Convert to sealed class" intention should not be suggested when no "class" keyword
• KT-32419 Spurious 'while' has empty body warning when body has explanatory comment
• KT-32506 False negative "Remove redundant qualifier name" with java.util.ArrayList<Int>()
• KT-32454 "Replace Java static method with Kotlin analog": invalid quick fix on 'abs()' function
• KT-26242 "Create test" intention does nothing in common module
• KT-27208 IDEA reports about the need to declare abstract or implement abstract method, but this method is @JvmStatic in an interface companion
• KT-27555 Create actual ... quick fix does nothing if the corresponding source set directory isn't created yet
• KT-28121 IDE: Warn on java files under "src/main/kotlin" or "src/test/kotlin" source roots
• KT-28295 Use languageSettings for a quick fix to enable experimental features in multiplatform projects
• KT-28529 Don't suggest commonMain source set as a target of create expected ... quick fix for a member of *Test source set
• KT-28746 “Create actual class” quick fix creates invalid file when is called from files located in package directory but don't have package name
• KT-30622 Add names to call arguments starting from given argument
• KT-31404 Redundant 'requireNotNull' or 'checkNotNull' inspection: don't remove first argument
• KT-32705 "Create expect" quick fix adds actual modifier to a const/lateinit declaration without a warning
• KT-32967 Warning about incorrectly placed Java source file isn't automatically dismissed on move of the file to the proper source root

IDE. JS

• KT-31895 New Project wizard: Kotlin Gradle + Kotlin/JS for Node.js: incorrect DSL is inserted

IDE. KDoc

• KT-30985 Missing line break in quick doc for enum constant

IDE. Multiplatform

• KT-29757 IDE fails to import transitive dependency of a JVM module to a multiplatform one

IDE. Navigation

• KT-10215 Kotlin classes are listed after Java classes in the navigation bar

IDE. Refactorings

• KT-29720 Refactor / Move does not update package statement with implicit prefix
• KT-30762 Inline method produces invalid code for suspend functions with receiver
• KT-30748 100+ Seconds UI Freeze on performing a Move Refactoring on a file with a lot of usages (KotlinOptimizeImports in thread dump)

IDE. Scratch

• KT-23604 Scratch: end of line is wrongly indented with the end of scratch line output
• KT-27963 Make REPL mode in Scratch files incremental
• KT-29534 Line output jumps to the next line together with cursor
• KT-32791 "Access is allowed from event dispatch thread only" while working with a scratch file

IDE. Script

• KT-25187 Kotlin script in src: warning: classpath entry points to a non-existent location on JDK 9+
• KT-31152 Errors in IDE when different Java Sdk are set as Project SDK and as Gradle JVM
• KT-31521 CNFE „org.jetbrains.kotlin.idea.caches.project.ScriptBinariesScopeCache“ on creating new Gradle based project
• KT-31826 Gradle clean task causes IDEA to lose kotlin scripting configuration
• KT-31837 TargetPlatform for scripts should depends on scriptDefinition.additionalArguments
• KT-30690 Highlighting for scripts in diff view doesn't work for left part
• KT-32061 Check classpath jars before applying script compilation result from file attributes
• KT-32554 Freezes in ScriptDependenciesUpdater

IDE. Tests Support

• KT-30814 MPP, 191 platform: with Gradle test runner run configuration for platform test is created without tasks

IDE. Wizards

• KT-32105 MPP project wizard: add option for Kotlin Gradle DSL

JS. Tools

• KT-31527 Keep generating empty jsTest task
• KT-31565 Gradle/JS: npmResolve is never UP-TO-DATE
• KT-32326 Gradle, test runner: support postponing test running error reporting at the end of the build
• KT-32393 Gradle, JS: Resolve projects lazily
• KT-31560 Gradle: provide descriptions for JS tasks
• KT-31563 Gradle/JS: npmResolve fails with "Invalid version" when user project's version does not match npm rules
• KT-31566 Gradle/JS: with explicit call to nodejs { testTask { useNodeJs() } } configuration fails : "Could not find which method to invoke"
• KT-31694 Gradle, NPM, windows: creating symlink requires administrator privilege

Libraries

• KT-29372 measureTime that returns both the result of block and elapsed time
• KT-32083 Incorrect ReplaceWith annotation on kotlin.js.pow
• KT-12749 Provide Int.bitCount, Long.bitCount etc.
• KT-32359 Common Array.fill
• KT-33225 JS: Incorrect conversion of infinite Double to Long

Reflection

• KT-22923 Reflection getMemberProperties fails: kotlin.reflect.jvm.internal.KotlinReflectionInternalError
• KT-31318 "KotlinReflectionInternalError: Method is not supported" on accessing array class annotation parameter

Tools. Daemon

• KT-31550 NSME org.jetbrains.kotlin.com.intellij.openapi.vfs.impl.jar.CoreJarFileSystem.clearHandlersCache()V on compileKotlin task with plugin from master
• KT-32490 Compiler daemon tests fail on windows due to directory name being too long
• KT-32950 Daemon should inherit "-XX:MaxMetaspaceSize" of client VM
• KT-32992 Enable assertions in Kotlin Compile Daemon
• KT-33027 Compilation with daemon fails, because IncrementalModuleInfo#serialVersionUID does not match

Tools. CLI

• KT-33177 Introduce compiler flags -Xinline-classes and -Xpolymorphic-signature as a higher priority than -XXLanguage

Tools. Compiler Plugins

• KT-28824 Add jvm-abi-gen-embeddable for use with embeddable compiler
• KT-31279 JPS build with compiler plugin and "Keep compiler alive = No" fails with CCE: "Cannot cast NoArgComponentRegistrar to ComponentRegistrar" at ServiceLoaderLite.loadImplementations()
• KT-32346 kotlinx.serialization: Performance problems with completion/intellisense

Tools. Gradle

New Features

• KT-26655 Precise metadata publishing and consumption for new MPP
• KT-31018 Gradle, JS: yarn
• KT-31703 Gradle, JS: automatically download d.ts and generate kotlin/js external declarations using dukat
• KT-31890 Gradle, JS, webpack: provide property with full bundle file path
• KT-32015 Gradle, JS: resolve configuration only while executing tasks of specific projects
• KT-32136 Gradle, test runner: handle case when test runtime exits abnormally
• KT-26256 In new MPP, support Java compilation in JVM targets
• KT-30573 Gradle, JS: enable source maps by default, change paths relative to node_modules directory
• KT-30747 Gradle, JS tests: provide option to disable test configuration per target
• KT-31010 Gradle, JS tests: Mocha
• KT-31011 Gradle, JS tests: Karma
• KT-31013 Gradle, JS: Webpack
• KT-31016 Gradle: yarn downloading
• KT-31017 Gradle, yarn: support workspaces
• KT-31697 Gradle, NPM: report about clashes in packages_imported

Performance Improvements

• KT-29538 AndroidSubPlugin#getCommonResDirectories is very slow

Fixes

• KT-29343 Kotlin MPP source set dependencies are not properly propagated to tests in Android projects
• KT-30691 Gradle, JS tests: Parent operation with id 947 not available when all tests passed
• KT-31917 Gradle, JS: transitive dependency between compilations in same project doesn't work
• KT-31985 Gradle, JS: webpack not working on windows
• KT-32072 Gradle, JS: browser() in DSL triggers project.evaluate()
• KT-32204 In an MPP, a dependency that is added to a non-root source set is incorrectly analyzed for source sets visibility
• KT-32225 In an MPP, if a dependency is added to a source set that does not take part in published compilations, it is not correctly analyzed in source set visibility inference
• KT-32564 Provide a flag to enable/disable hierarchical multiplatform mechanism in Gradle
• KT-31023 Update Gradle module metadata warning in MPP publishing
• KT-31696 Gradle, NPM: select one version between tools and all of compile configurations
• KT-31891 Gradle: JS or Native tests execution: build --scan fails with ISE "Expected attachment of type ... but did not find it"
• KT-32210 Kapt randomly fails with java.io.UTFDataFormatException
• KT-32706 Gradle target "jsBrowserWebpack" should use output of JS compile task as input
• KT-32697 [Tests] org.jetbrains.kotlin.gradle.SubpluginsIT
• KT-33246 Kotlin JS & Native tests + Gradle 5.6: No value has been specified for property 'binaryResultsDirectory'

Tools. Incremental Compile

• KT-31310 Incremental build of Kotlin/JS project fails with KNPE at IncrementalJsCache.nonDirtyPackageParts()

Tools. J2K

New Features

• KT-30776 New J2K
• KT-31836 Suggest user to configure Kotlin in the project when running new J2K file conversion
• KT-32512 ReplaceJavaStaticMethodWithKotlinAnalogInspection: add more cases for java.util.Arrays

Fixes

• KT-15791 J2K converts class literals including redundant generic <*>
• KT-31234 New J2K: Exception occurs on converting Java class to Kotlin
• KT-31250 J2K: caret position of original file is preserved, adding spaces to resulting file
• KT-31251 J2K: Java class with members is converted to Kotlin class with final constructor
• KT-31252 J2K: resulted file is not formatted
• KT-31254 J2K: resulted source uses full qualified references instead of imports
• KT-31255 J2K: redundant modifiers in resulted source
• KT-31726 New J2K converts annotation with array parameter to single value parameter
• KT-31809 "Attempt to modify PSI for non-committed Document!" exception and broken kotlin file after new J2K conversion
• KT-31821 J2K: IDEA Ultimate: local variable: CCE: "PsiLocalVariableImpl cannot be cast to class JvmAnnotatedElement" at JavaToJKTreeBuilder$DeclarationMapper.toJK()
• KT-32436 NewJ2K generic field is not initialized after convertion
• KT-19327 Java to Kotlin converter fails to convert code using Java 8 Stream API
• KT-21467 Convert To Kotlin fails when using chained stream.flatmap methods
• KT-24677 j2k creates nullable type for child function but keeps not null type for parent function
• KT-32572 New J2K: Map with complex type as parameter is wrongly converted
• KT-32602 J2K: no conversion of String.length() method call to property access of existing String property
• KT-32604 kotlin.NotImplementedError exception occurs on converting Java call of toString method of data class to Kotlin
• KT-32609 New J2K: Comparable class is wrongly converted to Kotlin if parameter of compareTo marked with @NotNull annotation
• KT-32693 New J2K is throwing „Read access is allowed from event dispatch thread or inside read-action only“ on converting Java code inside Evaluate Expression window
• KT-32702 New J2K: lambda with method reference is converted to lamdba with excessive parameter declaration
• KT-32835 New J2K: NumberFormatException occurs on converting binary literals
• KT-32837 J2K: NumberFormatException occurs on converting literals with underscore characters
• KT-22412 J2K: Intention to replace if(...) throw IAE with require
• KT-33371 Add an ability to switch between old and new J2K via settings window
• KT-32863 New J2K: IllegalArgumentException occurs on Kotlin configuration in java project in Android Studio

Tools. JPS

• KT-27181 Compiler arguments are listed twice on JPS build of Gradle-based project
• KT-13563 Kotlin jps-plugin should allow to instrument bytecode from Intellij IDEA.

Tools. REPL

• KT-15125 Support JSR 223 bindings directly via script variables
• KT-32085 Kotlinc REPL: "java.lang.NoClassDefFoundError: org/jline/reader/LineReaderBuilder"

Tools. Scripts

• KT-28137 Implement result/return value for the regular (non-REPL) scripts

Tools. kapt

• KT-30578 build/generated/source/kaptKotlin is added as source directory to main instead of jvmMain when jvm { withJava() } is configured in a multiplatform project
• KT-30739 Kapt generated sources are not visible from the IDE when "Create separate module per source set" is disabled
• KT-31127 Kotlin-generating processor which uses Filer API breaks JavaCompile task
• KT-31378 v1.3.31: NoSuchElementException in kapt when kapt.incremental.apt=true
• KT-32535 Kapt aptMode=compile don't include files generated at kapt.kotlin.generated as sources to compile
• KT-31471 KAPT prints "IncrementalProcessor" instead of processor name in verbose mode

Kotlin Native

Related Kotlin Native changelog can be found separately.

Previous releases

This release also includes the fixes and improvements from the previous releases.

1.3.41

Compiler

• KT-31981 New type inference asks to use ?. on non-null local variable
• KT-32029 Exception when callable reference is resolved against unresolved type
• KT-32037 No coercion to Unit for last expression with lambda in code block
• KT-32038 Unsubstituted stub type cause type mismatch later for builder inference
• KT-32051 NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER on matching Nothing with generic type parameter
• KT-32081 New type inference fails involving Either and Nothing
• KT-32089 False positive IMPLICIT_NOTHING_AS_TYPE_PARAMETER with lambdas
• KT-32094 NI: member from star import has higher resolution priority than member imported by FQN
• KT-32116 Type inference for HashMap<,> fails but compiles
• KT-32123 Wrong unused import for extension method
• KT-32133 Regression in Kotlin 1.3.40 new inference engine
• KT-32134 java.lang.Throwable: Resolution error of this type shouldn't occur for resolve try as a call for incomplete try-construction
• KT-32143 1.3.40 new inference: backward incompatibility in method calls with multiple SAM arguments
• KT-32154 setOf(Map.Entry<*, *>::key) gives error on IDE
• KT-32157 Issue with new type inference in unbounded generics
• KT-32175 New Type Inference Algorithm, RxJava and IDE-Compiler Inconsistency
• KT-32184 NI: Argument for @NotNull parameter 'type' of org/jetbrains/kotlin/types/CommonSupertypes.depth must not be null
• KT-32187 Exception when using callable reference with an unresolved LHS
• KT-32218 Cannot call get on a Map<out Any,Any> with new type system
• KT-32230 New inference not working with RxJava combineLatest
• KT-32235 New type inference failure with in check

JavaScript

• KT-32215 Reified generic doesn't work with ByteArray on js

Tools. CLI

• KT-32272 kotlinc - no main manifest attribute, in hello.jar

Tools. REPL

• KT-32085 Kotlinc REPL: "java.lang.NoClassDefFoundError: org/jline/reader/LineReaderBuilder"

Tools. Scripts

• KT-32169 Kotlin 1.3.40 - Crash on running *.main.kts script: "NoSuchMethodError: kotlin.script.templates.standard.ScriptTemplateWithArgs.<init>"
• KT-32206 Custom script definitions not loaded in the cli compiler

Previous releases

This release also includes the fixes and improvements from the previous releases.

Content

The release contains the JVM version of Kotlin compiler and also one native system dependent version for every major platform (Linux, macOS, and Windows).

CHANGELOG

1.3.40

Android

Fixes

• KT-12402 Android DataBinding work correctly but the IDE show it as error
• KT-31432 Remove obsolete code introduced in KT-12402

Compiler

New Features

• KT-29915 Implement typeOf on JVM
• KT-30467 Provide a way to to save compiled script(s) as a jar

Performance Improvements

• KT-17755 Optimize trimIndent and trimMargin on constant strings
• KT-30603 Compiler performance issue: VariableLivenessKt.useVar performance

Fixes

• KT-19227 Load built-ins from dependencies by default in the compiler, support erroneous "fallback" built-ins
• KT-23426 Actual typealias to Java enum does not match expected enum because of modality
• KT-23854 Inference for common type of two captured types
• KT-25105 False-positive warning "Remove final upper bound" on generic override
• KT-25302 New inference: "Type mismatch" between star projection and Any? type argument in specific case
• KT-25433 Wrong order of fixing type variables for callable references
• KT-26386 Front-end recursion problem while analyzing contract function with call expression of self in implies
• KT-26412 Wrong LVT generated if decomposed parameter of suspend lambda is not the first parameter.
• KT-27097 JvmMultifileClass + JvmName causes NoSuchMethodError on sealed class hierarchy for top-level members
• KT-28534 Local variable entries are missing in LVT for suspend lambda parameters
• KT-28535 Rename result to $result in coroutines' LVT
• KT-29184 Implement inference for coroutines according to the @BuilderInference contract in NI
• KT-29772 Contracts don't work if contract function is fully qualified (FQN)
• KT-29790 Incorrect version requirement in metadata of anonymous class for suspend lambda
• KT-29948 NI: incorrect DSLMarker behaviour with generic star projection
• KT-30021 +NewInference on Kotlin Native :: java.lang.StackOverflowError
• KT-30242 Statements are not coerced to Unit in last expressions of lambda
• KT-30243 Include FIR modules into compiler
• KT-30250 Rewrite at slice exception for callable reference argument inside delegated expression
• KT-30292 Reference to function is unresolved when LHS is a star-projected type
• KT-30293 Wrong intersection type for common supertype from String and integer type
• KT-30370 Call is completed too early when there is "Nothing" constraint
• KT-30405 Support expected type from cast in new inference
• KT-30406 Fix testIfOrWhenSpecialCall test for new inference
• KT-30590 Report diagnostic about not enough information for inference in NI
• KT-30620 Exception from the compiler when coroutine-inference is involved even with the explicitly specified types
• KT-30656 Exception is occurred when functions with implicit return-stub types are involved in builder-inference
• KT-30658 Exception from the compiler when getting callable reference to a suspend function
• KT-30661 Disable SAM conversions to Kotlin functions in new-inference by default
• KT-30676 Overload resolution ambiguity when there is a callable reference argument and candidates with different functional return types
• KT-30694 No debug metadata is generated for suspend lambdas which capture crossinline
• KT-30724 False positive error about missing equals when one of the operands is incorrectly inferred to Nothing
• KT-30734 No smartcast inside lambda literal in then/else "if" branch
• KT-30737 Try analysing callable reference preemptively
• KT-30780 Compiler crashes on 'private inline' function accessing private constant in 'inline class' (regression)
• KT-30808 NI: False negative SPREAD_OF_NULLABLE with USELESS_ELVIS_RIGHT_IS_NULL
• KT-30816 BasicJvmScriptEvaluator passes constructor parameters in incorrect order
• KT-30826 There isn't report about unsafe call in the new inference (by invalidating smartcast), NPE
• KT-30843 Duplicate JVM class name for expect/actual classes in JvmMultifileClass-annotated file
• KT-30853 Compiler crashes with NewInference and Kotlinx.Coroutines Flow
• KT-30927 Data flow info isn't used for 'this' which is returned from lambda using labeled return
• KT-31081 Implement ArgumentMatch abstraction in new inference
• KT-31113 Fix failing tests from SlicerTestGenerated
• KT-31199 Unresolved callable references with typealias
• KT-31339 Inliner does not remove redundant continuation classes, leading to CNFE in JMH bytecode processing
• KT-31346 Fix diagnostic DSL_SCOPE_VIOLATION for new inference
• KT-31356 False-positive error about violating dsl scope for new-inference
• KT-31360 NI: inconsistently prohibits member usage without explicit receiver specification with star projection and DSL marker
• KT-18563 Do not generate inline reified functions as private in bytecode
• KT-20849 Inference results in Nothing type argument in case of passing 'out T' to 'in T1'
• KT-25290 New inference: KNPE at ResolutionPartsKt.getExpectedTypeWithSAMConversion() on out projection of Java class
• KT-26418 Back-end (JVM) Internal error when compiling decorated suspend inline functions
• KT-26925 Decorated suspend inline function continuation resumes in wrong spot
• KT-28999 Prohibit type parameters for anonymous objects
• KT-29307 New inference: false negative CONSTANT_EXPECTED_TYPE_MISMATCH with a Map
• KT-29475 IllegalArgumentException at getAbstractTypeFromDescriptor with deeply nested expression inside function named with a right parenthesis
• KT-29996 Properly report errors on attempt to inline bytecode from class files compiled to 1.8 to one compiling to 1.6
• KT-30289 Don't generate annotations on synthetic methods for methods with default values for parameters
• KT-30410 [NI] Front-end recursion problem while analyzing contract function with call expression of self in implies
• KT-30411 Fold recursive types to star-projected ones when inferring type variables
• KT-30706 Passing noinline lambda as (cross)inline parameter result in wrong state-machine
• KT-30707 Java interop of coroutines inside inline functions is broken
• KT-30983 ClassCastException: DeserializedTypeAliasDescriptor cannot be cast to PackageViewDescriptor on star-import of expect enum class actualized with typealias
• KT-31242 "Can't find enclosing method" proguard compilation exception with inline and crossinline
• KT-31347 "IndexOutOfBoundsException: Insufficient maximum stack size" with crossinline and suspend
• KT-31354 Suspend inline functions with crossinline parameters are inaccessible from java
• KT-31367 IllegalStateException: Concrete fake override public open fun (...) defined in TheIssue[PropertyGetterDescriptorImpl@1a03c376] should have exactly one concrete super-declaration: []
• KT-31461 NI: NONE_APPLICABLE instead of TYPE_MISMATCH when invoking convention plus operator
• KT-31503 Type mismatch with recursive types and SAM conversions
• KT-31507 Enable new type inference algorithm for IDE analysis
• KT-31514 New inference generates multiple errors on generic inline expression with elvis operator
• KT-31520 False positive "not enough information" for constraint with star projection and covariant type
• KT-31606 Rewrite at slice on using callable reference with array access operator
• KT-31620 False-positive "not enough information" for coroutine-inference when target method is assigned to a variable
• KT-31624 Type from declared upper bound in Java is considered more specific than Nothing producing type mismatch later
• KT-31860 Explicit type argument isn't considered as input type causing errors about "only input types"
• KT-31866 Problems with using star-projections on LHS of callable reference
• KT-31868 No type mismatch error when using NoInfer annotation
• KT-31941 Good code red in IDE with smart cast on parameter of a generic type after null check

IDE

New Features

• KT-11242 Action to copy project diagnostic information to clipboard
• KT-24292 Support external nullability annotations
• KT-30453 Add plugin option (registry?) to enable new inference only in IDE

Performance Improvements

• KT-13841 Classes and functions should be lazy-parseable
• KT-27106 Performance issue with optimize imports
• KT-30442 Several second lag on project open in KotlinNonJvmSourceRootConverterProvider
• KT-30644 ConfigureKotlinInProjectUtilsKt freezes UI

Fixes

• KT-7380 Imports insertion on paste does not work correctly when there were alias imports in the source file
• KT-10512 Do not delete imports with unresolved parts when optimizing
• KT-13048 "Strip trailing spaces on Save" should not strip trailing spaces inside multiline strings in Kotlin
• KT-17375 Optimize Imports does not remove unused import alias
• KT-27385 Uast: property references should resolve to getters/setters
• KT-28627 Invalid detection of Kotlin jvmTarget inside Idea/gradle build
• KT-29267 Enable ultra-light classes by default
• KT-29892 A lot of threads are waiting in KotlinConfigurationCheckerComponent
• KT-30356 Kotlin facet: all JVM 9+ target platforms are shown as "Target Platform = JVM 9" in Project Structure dialog
• KT-30514 Auto-import with "Add unambiguous imports on the fly" imports enum members from another package
• KT-30583 Kotlin light elements should be isEquivalentTo to it's origins
• KT-30688 Memory leak in the PerModulePackageCacheService.onTooComplexChange method
• KT-30949 Optimize Imports removes used import alias
• KT-30957 Kotlin UAST: USimpleNameReferenceExpression in "imports" for class' member resolves incorrectly to class, not to the member
• KT-31090 java.lang.NoSuchMethodError: org.jetbrains.kotlin.idea.UtilsKt.addModuleDependencyIfNeeded on import of a multiplatform project with Android target (191 IDEA + master)
• KT-31092 Don't check all selected files in CheckComponentsUsageSearchAction.update()
• KT-31319 False positive "Unused import" for provideDelegate extension
• KT-31332 Kotlin AnnotatedElementsSearch does't support Kotlin object
• KT-31129 Call only Kotlin-specific reference contributors for getting Kotlin references from PSI
• KT-31693 Project with no Kotlin: JPS rebuild fails with NCDFE for GradleSettingsService at KotlinMPPGradleProjectTaskRunner.canRun()
• KT-31466 SOE in Java highlighting when a Kotlin ultra-light method is invoked
• KT-31723 Exception from UAST for attempt to infer types inside unresolved call
• KT-31842 UOE: no descriptor for type constructor of TypeVariable(T)
• KT-31992 Fix ColorsIcon.scale(float) compatibility issue between IU-192.5118.30 and 1.3.40-eap-105

IDE. Completion

• KT-29038 Autocomplete "suspend" into "suspend fun" at top level and class level (except in kts top level)
• KT-29398 Add "arg" postfix template
• KT-30511 Replace extra space after autocompleting data class with file name by parentheses

IDE. Debugger

• KT-10636 Debugger: can't evaluate call of function type parameter inside inline function
• KT-18247 Debugger: class level watches fail to evaluate outside of class instance context
• KT-18263 Settings / Debugger / Java Type Renderers: unqualified Kotlin class members in Java expressions are shown as errors
• KT-23586 Non-trivial properties autocompletion in evaluation window
• KT-30216 Evaluate expression: declarations annotated with Experimental (LEVEL.ERROR) fail due to compilation error
• KT-30610 Debugger: Variables view shows second this instance for inline function even from the same class as caller function
• KT-30714 Breakpoints are shown as invalid for classes that are not loaded yet
• KT-30934 "InvocationException: Exception occurred in target VM" on debugger breakpoint hit (with kotlintest)
• KT-31266 Kotlin debugger incompatibility with latest 192 nightly: KotlinClassWithDelegatedPropertyRenderer
• KT-31785 Exception on attempt to evaluate local function

IDE. Gradle

• KT-29854 File collection dependency does not work with NMPP+JPS
• KT-30531 Gradle: NodeJS downloading
• KT-30767 Kotlin import uses too much memory when working with big projects
• KT-29564 kotlin.parallel.tasks.in.project=true causes idea to create kotlin modules with target JVM 1.6
• KT-31014 Gradle, JS: Webpack watch mode
• KT-31843 Memory leak caused by KOTLIN_TARGET_DATA_NODE on project reimport
• KT-31952 Fix compatibility issues with IDEA after fixing IDEA-187832

IDE. Gradle. Script

• KT-30638 "Highlighting in scripts is not available until all Script Dependencies are loaded" in Diff viewer
• KT-31124 “compileKotlin - configuration not found: kotlinScriptDef, the plugin is probably applied by a mistake” after creating new project with IJ and Kotlin from master
• KT-30974 Script dependencies resolution failed error while trying to use Kotlin for Gradle

IDE. Hints

• KT-30057 "View->Type info" shows "Type is unknown" for named argument syntax

IDE. Inspections and Intentions

New Features

• KT-11629 Inspection: creating Throwable without throwing it
• KT-12392 Unused import with alias should be highlighted and removed with Optimize Imports
• KT-12721 inspection should be made for converting Integer.toString(int) to int.toString()
• KT-13962 Intention to replace Java collection constructor calls with function calls from stdlib (ArrayList() → arrayListOf())
• KT-15537 Add inspection + intention to replace IntRange.start/endInclusive with first/last
• KT-21195 ReplaceWith intention could save generic type arguments
• KT-25262 Intention: Rename class to containing file name
• KT-25439 Inspection "Map replaceable with EnumMap"
• KT-26269 Inspection to replace associate with associateWith or associateBy
• KT-26629 Inspection to replace == operator on Double.NaN with equals call
• KT-27411 Inspection and Quickfix to replace System.exit() with exitProcess()
• KT-29344 Convert property initializer to getter: suggest on property name
• KT-29666 Quickfix for "DEPRECATED_JAVA_ANNOTATION": migrate arguments
• KT-29798 Add 'Covariant equals' inspection
• KT-29799 Inspection: class with non-null self-reference as a parameter in its primary constructor
• KT-30078 Add "Add getter/setter" quick fix for uninitialized property
• KT-30381 Inspection + quickfix to replace non-null assertion with return
• KT-30389 Fix to convert argument to Int: suggest roundToInt()
• KT-30501 Add inspection to replace filter { it is Foo } with filterIsInstance<Foo> and filter { it != null } with filterNotNull
• KT-30612 Unused symbol inspection should detect enum entry
• KT-30663 Fully qualified name is added on quick fix for original class name if import alias exists
• KT-30725 Inspection which replaces .sorted().first() with .min()

Fixes

• KT-5412 "Replace non-null assertion with if expression" should replace parent expression
• KT-13549 "Package directive doesn't match file location" for root package
• KT-14040 Secondary enum class constructor is marked as "unused" by IDE
• KT-18459 Spring: "Autowiring for Bean Class (Kotlin)" inspection adds not working @Named annotation to property
• KT-21526 used class is marked as "never used"
• KT-22896 "Change function signature" quickfix on "x overrides nothing" doesn't rename type arguments
• KT-27089 ReplaceWith quickfix doesn't take into account generic parameter
• KT-27821 SimplifiableCallChain inspection quick fix removes comments for intermediate operations
• KT-28485 Incorrect parameter name after running "Add parameter to function" intention when argument variable is upper case const
• KT-28619 "Add braces to 'if' statement" moves end-of-line comment inside an if branch if statement inside if is block
• KT-29556 "Remove redundant 'let' call" doesn't rename parameter with convention invoke call
• KT-29677 "Specify type explicitly" intention produces invalid output for type escaped with backticks
• KT-29764 "Convert property to function" intention doesn't warn about the property overloads at child class constructor
• KT-29812 False positive for HasPlatformType with member extension on 'dynamic'
• KT-29869 'WhenWithOnlyElse': possibly useless inspection with false grey warning highlighting during editing the code
• KT-30038 'Remove redundant Unit" false positive when return type is nullable Unit
• KT-30082 False positive "redundant .let call" for lambda functions stored in nullable references
• KT-30173 "Nested lambda has shadowed implicit parameter" is suggested when both parameters are logically the same
• KT-30208 Convert to anonymous object: lambda generic type argument is lost
• KT-30215 No "surround with null" check is suggested for an assignment
• KT-30228 'Convert to also/apply/run/with' intention behaves differently depending on the position of infix function call
• KT-30457 MoveVariableDeclarationIntoWhen: do not report gray warning on variable declarations taking multiple lines / containing preemptive returns
• KT-30481 Do not report ImplicitNullableNothingType on a function/property that overrides a function/property of type 'Nothing?'
• KT-30527 False positive "Type alias is never used" with import of enum member
• KT-30559 Redundant Getter, Redundant Setter: reduce range to getter/setter header
• KT-30565 False positive "Suspicious 'var' property" inspection with annotated default property getter
• KT-30579 Kotlin-gradle groovy inspections should depend on Groovy plugin
• KT-30613 "Convert to anonymous function" should not insert named argument when interoping with Java functions
• KT-30614 String templates suggest removing curly braces for backtick escaped identifiers
• KT-30622 Add names to call arguments starting from given argument
• KT-30637 False positive "unused constructor" for local class
• KT-30669 Import quick fix does not work for property/function with original name if import alias for them exist
• KT-30761 Replace assert boolean with assert equality produces uncompilable code when compared arguments type are different
• KT-30769 Override quickfix creates "sealed fun"
• KT-30833 Exception after "Introduce Import Alias" if invoke in import
• KT-30876 SimplifyNotNullAssert inspection changes semantics
• KT-30900 Invert 'if' condition respects neither code formatting nor inline comments
• KT-30910 "Use property access syntax" is not suitable as text for inspection problem text
• KT-30916 Quickfix "Remove redundant qualifier name" can't work with user type with generic parameter
• KT-31103 Don't invoke Gradle related inspections when Gradle plugin is disabled
• KT-31349 Add name to argument should not be suggested for Java library classes
• KT-31404 Redundant 'requireNotNull' or 'checkNotNull' inspection: don't remove first argument
• KT-25465 "Redundant 'suspend' modifier" with suspend operator invoke
• KT-26337 Exception (resource not found) in quick-fix tests in AS32
• KT-30879 False positive "Redundant qualifier name"
• KT-31415 UI hangs due to long computations for "Use property access syntax" intention with new inference
• KT-31441 False positive "Remove explicit type arguments" inspection for projection type
• KT-30970 No warning for empty if operator and alsomethod
• KT-31855 IDE + new inference: Java SAM conversion is not suggested by IDE services

IDE. JS

• KT-31895 New Project wizard: Kotlin Gradle + Kotlin/JS for Node.js: incorrect DSL is inserted

IDE. Libraries

• KT-30790 Unstable IDE navigation behavior to expect/actual symbols in stdlib
• KT-30821 K/N: Navigation downwards the hierarchy in stdlib source code opens to stubs

IDE. Misc

• KT-31364 IntelliJ routinely hangs and spikes CPU / Memory usage when editing kotlin files

IDE. Navigation

• KT-18322 Find Usages not finding Java usage of @JvmField declared in primary constructor
• KT-27332 Gutter icons are still shown even if disabled

IDE. Refactorings

• KT-30471 Make KotlinElementActionsFactory.createChangeParametersActions able to just add parameters

IDE. Run Configurations

• KT-29352 Kotlin + Java 11 + Windows : impossible to run applications with long command lines, even with dynamic.classpath=true

IDE. Scratch

• KT-29642 Once hidden, Scratch Output window wouldn't show the results unless the project is reopened

IDE. Script

• KT-30295 Resolver for 'completion/highlighting in ScriptDependenciesSourceInfo...' does not know how to resolve [] or [Library(null)]
• KT-30690 Highlighting for scripts in diff view doesn't work for left part
• KT-31452 IDE editor: MISSING_SCRIPT_STANDARD_TEMPLATE is reported inconsistently with the single line in script

IDE. Tests Support

• KT-30995 Gradle test runner: "No tasks available" for a test class in non-MPP project

IDE. Ultimate

• KT-30886 KotlinIdeaResolutionException in Velocity template (.ft) with Kotlin code

IDE. Wizards

• KT-30645 Update New Project Wizard templates related to Kotlin/JS
• KT-31099 Remove Gradle configuration boilerplate for JS from multiplatform New Project Wizard templates related to Kotlin/JS
• KT-31695 Gradle, JS: update wizard templates

JS. Tools

• KT-31563 Gradle/JS: npmResolve fails with "Invalid version" when user project's version does not match npm rules
• KT-31566 Gradle/JS: with explicit call to nodejs { testTask { useNodeJs() } } configuration fails : "Could not find which method to invoke"
• KT-31560 Gradle: provide descriptions for JS tasks
• KT-31564 Gradle/JS: npmResolve reports warning "[email protected] has unmet peer dependency"
• KT-31662 Gradle/JS: with empty useKarma {} lambda the execution of jsBrowserTest never stops
• KT-31686 Gradle/JS: useKarma { useConfigDirectory() } fails to configure
• KT-31694 Gradle, NPM, windows: creating symlink requires administrator privilege
• KT-31931 Gradle JS or Native: test processing fails in some cases

JavaScript

• KT-31007 Kotlin/JS 1.3.30 - private method in an interface in the external library causes ReferenceError

Libraries

• KT-30174 Annotation for experimental stdlib API
• KT-30451 Redundant call of selector in maxBy&minBy
• KT-30560 Fix Throwable::addSuppressed from stdlib to make it work without stdlib-jdk7 in runtime
• KT-24810 Support common string<->ByteArray UTF-8 conversion
• KT-29265 String.toCharArray() is not available in common stdlib
• KT-31194 assertFails and assertFailsWith don't work with suspend functions
• KT-31639 'Iterbale.drop' drops too much because of overflow
• KT-28933 capitalize() with Locale argument in the JDK stdlib

Reflection

• KT-29041 KAnnotatedElement should have an extension function to verify if certain annotation is present
• KT-30344 Avoid using .kotlin_module in kotlin-reflect

Tools. Android Extensions

• KT-30993 Android Extensions: Make @Parcelize functionality non-experimental

Tools. CLI

• KT-27638 Add -Xjava-sources compiler argument to specify directories with .java source files which can be referenced from the compiled Kotlin sources
• KT-27778 Add -Xpackage-prefix compiler argument to specify package prefix for Java sources resolution
• KT-30973 Compilation on IBM J9 (build 2.9, JRE 1.8.0 AIX ppc64-64-Bit) fails unless -Xuse-javac is specified

Tools. Compiler Plugins

• KT-30343 Add new Quarkus preset to all-open compiler plugin

Tools. Gradle

New Features

• KT-20156 Publish the Kotlin Javascript Gradle plugin to the Gradle Plugins Portal
• KT-26256 In new MPP, support Java compilation in JVM targets
• KT-27273 Support the Gradle 'application' plugin in new MPP or provide an alternative
• KT-30528 Gradle, JS tests: support basic builtin test runner
• KT-31015 Gradle, JS: Change default for new kotlin-js and experimental kotlin-multiplatform plugins
• KT-30573 Gradle, JS: enable source maps by default, change paths relative to node_modules directory
• KT-30747 Gradle, JS tests: provide option to disable test configuration per target
• KT-31010 Gradle, JS tests: Mocha
• KT-31011 Gradle, JS tests: Karma
• KT-31013 Gradle, JS: Webpack
• KT-31016 Gradle: yarn downloading
• KT-31017 Gradle, yarn: support workspaces

Fixes

• KT-13256 CompileJava tasks in Kotlin2Js Gradle plugin
• KT-16355 Rename "compileKotlin2Js" Gradle task to "compileKotlinJs"
• KT-26255 Using the jvmWithJava preset in new MPP leads to counter-intuitive source set names and directory structure
• KT-27640 Do not use -Xbuild-file when invoking the Kotlin compiler in Gradle plugins
• KT-29284 kotlin2js plugin applies java plugin
• KT-30132 Could not initialize class org.jetbrains.kotlin.com.intellij.openapi.util.io.FileUtil on build by gradle
• KT-30596 Kotlin Gradle Plugin: Forward stdout and stderr logger of out of process though gradle logger
• KT-31106 Kotlin compilation fails with locked build script dependencies and Gradle 5
• KT-28985 Java tests not executed in a module created with presets.jvmWithJava
• KT-30340 kotlin("multiplatform") plugin is not working properly with Spring Boot
• KT-30784 Deprecation warning "API 'variant.getPackageLibrary()' is obsolete and has been replaced with 'variant.getPackageLibraryProvider()'" for a multiplatform library with Android target
• KT-31027 java.lang.NoSuchMethodError: No static method hashCode(Z)I in class Ljava/lang/Boolean; or its super classes (declaration of 'java.lang.Boolean' appears in /system/framework/core-libart.jar)
• KT-31696 Gradle, NPM: select one version between tools and all of compile configurations
• KT-31697 Gradle, NPM: report about clashes in packages_imported
• KT-31891 Gradle: JS or Native tests execution: build --scan fails with ISE "Expected attachment of type ... but did not find it"
• KT-31023 Update Gradle module metadata warning in MPP publishing

Tools. Incremental Compile

• KT-31131 Regression: incremental compilation of multi-file part throws exception

Tools. J2K

• KT-23023 J2K: Inspection to convert Arrays.copyOf(a, size) to a.copyOf(size)
• KT-26550 J2K: Check context/applicability of conversion, don't suggest for libraries, jars, etc.
• KT-29568 Disabled "Convert Java File to Kotlin File" action is shown in project view context menu for XML files

Tools. JPS

• KT-13563 Kotlin jps-plugin should allow to instrument bytecode from Intellij IDEA.

Tools. REPL

• KT-21443 Kotlin's JSR223 script engine does not work when used by a fat jar

Tools. Scripts

• KT-30986 Missing dependencies when JSR-223 script engines are used from kotlin-script-util

Tools. kapt

• KT-26203 kapt.use.worker.api=true throws a NullPointerException on Java 10/11
• KT-30739 Kapt generated sources are not visible from the IDE when "Create separate module per source set" is disabled
• KT-31064 Periodically build crash when using incremental kapt
• KT-23880 Kapt: Support incremental annotation processors
• KT-31322 Kapt does not run annotation processing when sources change.
• KT-30979 Issue with Dagger2 providers MissingBinding with 1.3.30
• KT-31127 Kotlin-generating processor which uses Filer API breaks JavaCompile task
• KT-31714 incremental kapt: FileSystemException: Too many open files

Previous releases

This release also includes the fixes and improvements from the previous releases.

1.3.31

Compiler

• KT-26418 Back-end (JVM) Internal error when compiling decorated suspend inline functions
• KT-26925 Decorated suspend inline function continuation resumes in wrong spot
• KT-30706 Passing noinline lambda as (cross)inline parameter result in wrong state-machine
• KT-30707 Java interop of coroutines inside inline functions is broken
• KT-30997 Crash with suspend crossinline

IDE. Inspections and Intentions

• KT-30879 False positive "Redundant qualifier name"
• KT-31112 "Remove redundant qualifier name" inspection false positive for property with irrelevant import

JavaScript

• KT-31007 Kotlin/JS 1.3.30 - private method in an interface in the external library causes ReferenceError

Tools. Gradle

• KT-31027 java.lang.NoSuchMethodError: No static method hashCode(Z)I in class Ljava/lang/Boolean; or its super classes (declaration of 'java.lang.Boolean' appears in /system/framework/core-libart.jar)

Tools. kapt

• KT-30979 Issue with Dagger2 providers MissingBinding with 1.3.30

Previous releases

This release also includes the fixes and improvements from the previous releases.

Content

The release contains the JVM version of Kotlin compiler and also one native system dependent version for every major platform (Linux, macOS, and Windows). Those binaries are built with Excelsior JET AOT compiler (https://www.excelsiorjet.com/) and have faster startup time which is suitable for building small files or scripts.

CHANGELOG

1.3.30

Compiler

New Features

• KT-19664 Allow more permissive visibility for non-virtual actual declarations
• KT-29586 Add support for Android platform annotations
• KT-29604 Do not implicitly propagate deprecations originated in Java

Performance Improvements

• KT-24876 Emit calls to java.lang.Long.divideUnsigned for unsigned types when target version is 1.8
• KT-25974 'when' by unsigned integers is not translated to tableswitch/lookupswitch
• KT-28015 Coroutine state-machine shall use Result.throwOnFailure
• KT-29229 Intrinsify 'in' operator for unsigned integer ranges
• KT-29230 Specialize 'next' method call for unsigned integer range and progression iterators

Fixes

• KT-7185 Parse import directives in the middle of the file, report a diagnostic instead
• KT-7237 Parser recovery (angle bracket mismatch)
• KT-11656 Could not generate LightClass because of ISE from bridge generation on invalid code
• KT-13497 Better recovery in comma-separated lists in case of missing comma
• KT-13703 Restore parser better when class is missing from enum declaration
• KT-13731 Recover parser on value parameter without a type
• KT-14227 Incorrect code is generated when using MutableMap.set with plusAssign operator
• KT-19389 Couldn't inline method call 'with'
• KT-20065 "Cannot serialize error type: [ERROR : Unknown type parameter 0]" with generic typealias
• KT-20322 Debug: member value returned from suspending function is not updated immediately
• KT-20780 "Cannot serialize error type: [ERROR : Unknown type parameter 0]" with parameterized inner type alias
• KT-21405 Throwable “Rewrite at slice LEXICAL_SCOPE key: VALUE_PARAMETER_LIST” on editing string literal in kotlin-js module
• KT-21775 "Cannot serialize error type: [ERROR : Unknown type parameter 0]" with typealias used from a different module
• KT-22818 "UnsupportedOperationException: Don't know how to generate outer expression" on using non-trivial expression in default argument of expect function
• KT-23117 Local delegate + local object = NoSuchMethodError
• KT-23701 Report error when -Xmultifile-parts-inherit is used and relevant JvmMultifileClass parts have any state
• KT-23992 Target prefixes for annotations on supertype list elements are not checked
• KT-24490 Wrong type is inferred when last expression in lambda has functional type
• KT-24871 Optimize iteration and contains for UIntRange/ULongRange
• KT-24964 "Cannot serialize error type: [ERROR : Unknown type parameter 0]" with Validated typealias from Arrow
• KT-25383 Named function as last statement in lambda doesn't coerce to Unit
• KT-25431 Type mismatch when trying to bind mutable property with complex common system
• KT-25435 Try/catch as the last expression of lambda cause type mismatch
• KT-25437 Type variable fixation of postponed arguments and type variables with Nothing constraint
• KT-25446 Empty labeled return doesn't force coercion to Unit
• KT-26069 NoSuchMethodError on calling remove/getOrDefault on a Kotlin subclass of Java subclass of Map
• KT-26638 Check for repeatablilty of annotations doesn't take into account annotations with use-site target
• KT-26816 Lambdas to Nothing is inferred if multilevel collections is used (listOf, mapOf, etc)
• KT-27190 State machine elimination after inlining stopped working (regression)
• KT-27241 Contracts: smartcasts don't work correctly if type checking for contract function is used
• KT-27565 Lack of fallback resolution for SAM conversions for Kotlin functions in new inference
• KT-27799 Prohibit references to reified type parameters in annotation arguments in local classes / anonymous objects
• KT-28182 Kotlin Bytecode tool window shows incorrect output on annotated property with backing field
• KT-28236 "Cannot serialize error type: [ERROR : Unknown type parameter 2]" with inferred type arguments in generic extension function from Arrow
• KT-28309 Do not generate LVT entries with different types pointing to the same slot, but have different types
• KT-28317 Strange behavior in testJvmAssertInlineFunctionAssertionsEnabled on Jdk 6 and exception on JDK 8
• KT-28453 Mark anonymous classes for callable references as synthetic
• KT-28598 Type is inferred incorrectly to Any on a deep generic type with out projection
• KT-28654 No report about type mismatch inside a lambda in generic functions with a type parameter as a return type
• KT-28670 Not null smartcasts on an intersection of nullable types don't work
• KT-28718 progressive mode plus new inference result in different floating-point number comparisons
• KT-28810 Suspend function's continuation parameter is missing from LVT
• KT-28855 NoSuchMethodError with vararg of unsigned Int in generic class constructor
• KT-28984 Exception when subtype of kotlin.Function is used as an expected one for lambda or callable reference
• KT-28993 Incorrect behavior when two lambdas are passed outside a parenthesized argument list
• KT-29144 Interface with companion object generates invalid bytecode in progressive mode
• KT-29228 Intrinsify 'for' loop for unsigned integer ranges and progressions
• KT-29324 Warnings indexing jdk 11 classes
• KT-29367 New inference doesn't wrap annotated type from java to TypeWithEnhancement
• KT-29507 @field-targeted annotation on property with both getter and setter is absent from bytecode
• KT-29705 'Rewrite at slice CONSTRUCTOR` of JS class while editing another JVM-class
• KT-29792 UnsupportedOperationException: Unsupported annotation argument type when using Java annotation with infinity or NaN as a default value
• KT-29891 Kotlin doesn't allow to use local class literals as annotation arguments
• KT-29912 Crossinline nonsuspend lambda leads to KNPE during inlining
• KT-29965 Don't generate annotation on $default method
• KT-30030 Extensive 'Rewrite at slice'-exception with contracts in JS module of multiplatform project
• KT-22043 Report an error when comparing enum (==/!=/when) to any other incompatible type since 1.4
• KT-26150 KotlinFrontendException is thrown when callsInPlace called twice with different InvocationKind in functions with contracts
• KT-26153 Contract is allowed when it's at the beginning in control flow terms, but not in tokens order terms (contract doesn't work)
• KT-26191 Contract may not be the first statement if it's part of the expression
• KT-29178 Prohibit arrays of reified type parameters in annotation arguments in local classes / anonymous objects
• KT-20507 PROTECTED_CONSTRUCTOR_NOT_IN_SUPER_CALL not reported for generic base class constructor call, IAE at run-time
• KT-20849 Inference results in Nothing type argument in case of passing 'out T' to 'in T1'
• KT-28285 NullPointerException on calling Array constructor compiled via Excelsior JET
• KT-29376 Report a deprecation warning when comparing enum to any other incompatible type
• KT-29884 Report warning on @Synchronized on inline method
• KT-30073 ClassCastException on coroutine start with crossinline lambda
• KT-30597 "Extend selection" throws exception in empty class body case
• KT-29492 Double cross-inline of suspending functions produces incorrect code
• KT-30508 Wrong file name in metadata of suspend function capturing crossinline lambda
• KT-30679 "KotlinFrontEndException: Front-end Internal error: Failed to analyze declaration" exception during a compilation of a multiplatform project containing Kotlin Script File

IDE

New Features

• KT-26950 Support Multiline TODO comments
• KT-29034 Make JvmDeclarationSearch find private fields in kotlin classes

Performance Improvements

• KT-29457 FindImplicitNothingAction#update freezes UI for 30 secs
• KT-29551 CreateKotlinSdkActivity runs on UI thread

Fixes

• KT-11143 Do not insert closing brace for string template between open brace and identifier
• KT-18503 Optimize imports produces red code
• KT-27283 KotlinULiteralExpression and PsiLanguageInjectionHost mismatch
• KT-27794 KotlinAnnotatedElementsSearcher doesn't process method parameters
• KT-28272 UAST: Need to be able to identify SAM conversions
• KT-28360 Getting tons of "There are 2 classes with same fqName" logs in IntelliJ
• KT-28739 Bad caret position after Insert curly braces around variable inspection
• KT-29013 Injection with interpolation loses suffix
• KT-29025 Implement UReferenceExpression.referenceNameElement for Kotlin
• KT-29287 Exception in ultra-light classes on method annotated with @Throws
• KT-29381 Highlight return lambda expressions when cursor is one the call with lambda argument
• KT-29434 Can not detect injection host in string passed as argument into arrayOf() function
• KT-29464 Project reopening does not create missing Kotlin SDK for Native modules (like it does for other non-JVM ones)
• KT-29467 Maven/Gradle re-import does not add missing Kotlin SDK for kotlin2js modules (non-MPP JavaScript)
• KT-29804 Probable error in the "Kotlin (Mobile Android/iOS)" new project template in IntelliJ
• KT-30033 UAST: Delegation expression missing from parse tree
• KT-30388 Disable constant exception reporting from release versions
• KT-30524 "java.lang.IllegalStateException: This method shouldn't be invoked for LOCAL visibility" on add import
• KT-30534 KotlinUObjectLiteralExpression returns classReference whose referenceNameElement is null
• KT-30546 Kotlin UImportStatement's children references always resolve to null
• KT-5435 Surround with try/catch should generate more Kotlin-style code

IDE. Android

• KT-29847 Many IDEA plugins are not loaded in presence of Kotlin plugin: "Plugins should not have cyclic dependencies"

IDE. Code Style, Formatting

• KT-23295 One-line comment indentation in functions with expression body
• KT-28905 When is "... if long" hitting?
• KT-29304 Settings / Code Style / Kotlin mentions "methods" instead of functions
• KT-26954 Bad indentation for single function with expression body in new code style

IDE. Completion

• KT-18663 Support "smart enter/complete statement" completion for method calls
• KT-28394 Improve code completion for top level class/interface to incorporate filename
• KT-29435 org.jetbrains.kotlin.types.TypeUtils.contains hanging forever and freezing IntelliJ
• KT-27915 Stop auto-completing braces for companion objects

IDE. Debugger

• KT-22250 Evaluate: 'this' shows different values when evaluated as a variable/watch
• KT-24829 Access to coroutineContext in 'Evaluate expression'
• KT-25220 Evaluator: a instance of Pair returned instead of String ("Extract function" failed)
• KT-25222 Evaluate: ClassCastException: ObjectValue cannot be cast to IntValue ("Extract function" failed)
• KT-26913 Change local variable name mangling ($receiver -> this_<label>)
• KT-28087 [Kotlin/JVM view] Inconsistent debugging data inside forEachIndexed
• KT-28134 Separate JVM/Kotlin views in "Variables" tool window
• KT-28192 Exception from KotlinEvaluator: cannot find local variable
• KT-28680 Missing this word completion in "Evaluate expression" window
• KT-28728 Async stack trace support for Kotlin coroutines
• KT-21650 Debugger: Can't evaluate value, resolution error
• KT-23828 Debugger: "Smart cast is impossible" when evaluating expression
• KT-29661 Evaluate expression: "Cannot find local variable" for variable name escaped with backticks
• KT-29814 Can't evaluate a property on star-projected type
• KT-29871 Debugger in IDE does not handle correctly extensions.
• KT-30182 Incorrect KT elvis expression debugger evaluation
• KT-29189 [BE] 'Step Over' falls through 'return when' (and 'return if') instead of executing individual branches
• KT-29234 ISE “@NotNull method org/jetbrains/kotlin/codegen/binding/CodegenBinding.anonymousClassForCallable must not return null” on debugging with breakpoints in Kotlin script file
• KT-29423 Unable to evaluate lambdas on jdk 9-11
• KT-30220 Empty variables view when breakpoint inside an lambda inside class
• KT-30318 KotlinCoroutinesAsyncStackTraceProvider slows down java debugging
• KT-17811 Couldn't inline method error for inline method with anonymous object initialization and reified type parameter
• KT-30611 Debugger: in projects with stdlib of 1.2.n version Frames view can't complete loading, EvaluateException: "Method threw 'java.lang.ClassNotFoundException' exception." at EvaluateExceptionUtil.createEvaluateException()

IDE. Decompiler

• KT-9618 Exception in ClassClsStubBuilder.createNestedClassStub() while opening recent project
• KT-29427 Exception in ClassClsStubBuilder.createNestedClassStub() for obfuscated library

IDE. Gradle

• KT-26865 Gradle build in IDE: error messages in Native sources are not hyperlinks
• KT-28515 Failed to import Kotlin project with gradle 5.0
• KT-29564 kotlin.parallel.tasks.in.project=true causes idea to create kotlin modules with target JVM 1.6
• KT-30076 Memory leaks in Kotlin import
• KT-30379 Gradle 5.3 publishes an MPP with broken Maven scope mapping

IDE. Gradle. Script

• KT-27684 Gradle Kotlin DSL: the rootProject field is unresolved in IDEA for a common module
• KT-29465 IndexNotReadyException on context menu invocation for build.gradle.kts file
• KT-29707 "Navigate declaration" navigates to compiled class in gradle cache folder instead of classes defined in gradle buildSrc folder
• KT-29832 Multiple Script Definitions for settings.gradle.kts
• KT-30623 Errors in build.gradle.kts after applying new script dependencies
• KT-29474 Regression in 1.3.20: Kotlin IDE plugin parses all *.gradle.kts files when any class in buildSrc is opened
• KT-30130 “Access is allowed from event dispatch thread only.” from ScriptNewDependenciesNotificationKt.removeScriptDependenciesNotificationPanel() on creating foo.gradle.kts files in IJ from master

IDE. Hints

• KT-29196 Variable type hints are redundant for constructor calls of nested classes
• KT-30058 IndexNotReadyException from quick documentation when popup is active

IDE. Hints. Inlay

• KT-19558 Wrong position of type hint while renaming Kotlin variable
• KT-27438 "Show lambda return expression hints" breaks code indentation
• KT-28870 Rework "Lambda return expression" hint as between_lines_hint of disable it by default

IDE. Hints. Parameter Info

• KT-29574 Incorrect parameter info popup for lambda nested in object

IDE. Inspections and Intentions

New Features

• KT-16118 "Introduce import alias" intention
• KT-17119 Inspection for (Scala-like) = { ... } syntax without expected type in function definition
• KT-26128 Inspection for suspension inside synchronized and withLock functions
• KT-27556 Add intention for collections, !collection.isEmpty() -> collection.isNotEmpty()
• KT-27670 Add quick fix: wrap expression in a lambda if compatible functional type is required
• KT-28803 Inspection: result of enum entries comparison is always false / true
• KT-28953 Add intention to add underscores to decimal numerical literal
• KT-29001 Add intention to move variable declaration before when-expression into when's subject
• KT-29113 Warn about redundant requireNotNull and checkNotNull usages
• KT-29321 "Remove empty primary constructor": apply for enum entries
• KT-12134 Suggest to remove qualifier in FQN name
• KT-17278 Inspection to replace Java 8 Map.forEach with Kotlin's forEach
• KT-26965 Add inspection + quickfix for replacing Collection<T>.count() with .size
• KT-30123 Add intention to replace isEmpty/isNotEmpty method negation
• KT-25272 Unused expression as last expression of normal function should have quickfix to add "return"
• KT-30456 Improve: intention "Introduce Import Alias" should suggest new names for the new alias.

Fixes

• KT-7593 On splitting property declaration for functional expression additional bracket added
• KT-12273 "Replace with operator" intention is suggested for some non-operator functions and produces invalid code
• KT-18715 Replace if with elvis swallows comments
• KT-19254 Intention to convert object literal to class always creates a class named "O"
• KT-25501 "Replace overloaded operator with function call" changes semantics of increment and decrement operators
• KT-26979 "Lambda argument inside parentheses" inspection is not reported, if function type is actual type argument, but not formal parameter type
• KT-27143 Intention "Replace camel-case name with spaces" is suggested for snake_case names in test functions and renames them incorrectly
• KT-28081 "Convert to lambda" changes expression type for interface with multiple supertypes
• KT-28131 False positive "Redundant lambda arrow" with a functional type argument
• KT-28224 "Add braces to 'else' statement" moves comment outside braces when 'if-else' is inside 'if / when' branch
• KT-28592 False positive "Remove redundant backticks" for underscore variable name
• KT-28596 "Can be replaced with binary operator" shouldn't be suggested when receiver or argument is floating point type
• KT-28641 "Remove useless cast" produces a dangling lambda ("Too many arguments" error)
• KT-28698 "Convert to apply" intention: include function calls with this passed as an argument
• KT-28773 Kotlin/JS: Wrong inspection to replace .equals() with == on dynamic values
• KT-28851 'Convert parameter to receiver' adds Array<out T> wrapper to vararg parameter and drops override modifier in implementations
• KT-28969 TYPE_MISMATCH in array vs non-array case: two quick fixes exist for annotation and none of them adds array literal
• KT-28995 "Add parameter to constructor" quickfix for first enum member changes arguments for all members
• KT-29051 "Add parameter to constructor" quickfix for not-first enum member: "PsiInvalidElementAccessException: Element: class org.jetbrains.kotlin.psi.KtStringTemplateExpression #kotlin because: different providers"
• KT-29052 "Add parameter to constructor" quickfix for not-first enum member inserts FQN type for parameter
• KT-29056 KNPE in ConvertPrimaryConstructorToSecondary with missing property identifier
• KT-29085 False positive "Class member can have 'private' visibility" for a const val used in a public inline function
• KT-29093 False positive inspection "Redundant lambda arrow" with nested lambdas
• KT-29099 "Convert to apply" intention is not available for a single function call
• KT-29128 False positive 'Explicitly given type is redundant here' when typealias is used
• KT-29153 False negative "'rangeTo' or the '..' call should be replaced with 'until'" with bracketed expressions
• KT-29193 Quick fix "Create extension function" List<Int>.set should not be suggested for read-only collections
• KT-29238 Non-canonical modifiers order inspection incorrectly includes annotations into range
• KT-29248 "Convert member to extension" doesn't preserve visibility
• KT-29416 False positive "Redundant property getter" for external getter
• KT-29469 False positive in "Boolean literal argument without parameter name" inspection for varargs parameters
• KT-29549 Make package name convention inspection global
• KT-29567 "Remove empty class body" is a poor name for inspection text
• KT-29606 Do not propose to remove unused parameter of property setter
• KT-29763 False negative "Object literal can be converted to lambda" for block body function with explicit return
• KT-30007 False negative "Add import for '...'" in UserType
• KT-19944 multiplatform: Convert expect/actual function to property should keep the caret on the converted function
• KT-27289 "Create" quick fix on FQN does nothing with KNPE at KotlinRefactoringUtilKt$chooseContainerElement$1.renderText()
• KT-29312 "Make constructor parameter a property" produces wrong modifier order + exception "Invalid range specified"
• KT-29414 "Main parameter is not necessary" inspection reports parameter of main() in object
• KT-29499 "Unsafe call of inline function with nullable extension receiver" inspection ignores inferred nullability
• KT-29927 Missing "Import members from" intention with type check operator in when branch
• KT-30010 Introduce alternative quick-fixes for map[key]!!
• KT-30166 False positive "Redundant companion reference" on companion with the outer class name
• KT-14886 Create Property from Usage should place generated property next to other properties
• KT-16139 Adding explicit type argument leads to type mismatch
• KT-19462 False positive inspection "Redundant lambda arrow" for overloaded functions
• KT-22137 Create class quickfix is not suggested in return statement
• KT-23259 False positive unchecked cast warning/quickfix result in good code turning red
• KT-27641 "Specify type explicitly" suggests too general type even when type hint shows specific generic type
• KT-29124 False positive inspection 'Redundant lambda arrow' with generic function/constructor with lambda argument
• KT-29590 False positive inspection "Redundant lambda arrow" with vararg lambda arguments passed via spread operator
• KT-29977 False positive "Unused import directive" for typealias of an enum imported as static
• KT-30233 Change order of the quick fixes when method does not accept nullable types
• KT-30341 False positive 'Use withIndex() instead of manual index increment' inspection with destructive declaration in 'for' loop
• KT-30414 "Replace return with 'if' expression" drops return label
• KT-30426 Don't preserve extra line when adding remaining branches for when
• KT-30433 "Convert member to extension" doesn't update external Kotlin calls
• KT-30117 Kotlin unused import analysis accesses file editor manager model outside UI thread
• KT-29143 Unnecessary primary constructor keyword inspection
• KT-29444 "Make public" intention does not remove additional white-space to conform to proper style
• KT-30337 Do not propose to move variable declaration into "when" if it's not used inside the when-expression

IDE. Multiplatform

• KT-29918 Outdated Ktor version in Kotlin (JS Client/JVM Server) multiplatform project generated via New Project Wizard

IDE. Navigation

• KT-26924 Overriding Methods list has more values than it should be in case of inline class
• KT-28661 "Is implemented in" gutter icon shows duplicate function implementations in inline classes
• KT-28838 Group by file structure doesn't work for text search in Kotlin

IDE. Refactorings

• KT-27602 Kotlin property renaming change target name several times during rename making it hard to process it by reference handlers
• KT-29062 Extract Superclass refactoring throws Exception if sourceRoots.size() <= 1
• KT-29796 Label rename refactoring does not work on label usage

IDE. Scratch

• KT-23985 Allow to run Kotlin Worksheet without module classpath
• KT-27955 Interactive mode for Kotlin Scratch files
• KT-28958 Exception "Read access is allowed from event dispatch thread or inside read-action only" when running a scratch file with "Use REPL" and "Make before Run" enabled
• KT-30200 "java.lang.Throwable: Couldn't find expression with start line ..." on edition of a scratch file during its execution with interactive mode enabled

IDE. Script

• KT-29770 IntelliJ IDEA makes too many requests for the classpath of a Gradle Kotlin build script
• KT-29893 IDE is frozen during project configuration because of ScriptTemplatesFromDependenciesProvider
• KT-30146 Preferences from Kotlin scripting section reset to default after project reopening

IDE. Tests Support

• KT-25956 With failed test function class gutter icon is "failure", but function icon is "success"

IDE. Wizards

• KT-17829 Please unify naming of Kotlin projects and frameworks for JVM
• KT-28941 Tip of the day: obsolete project types from "New project wizard"

Libraries

• KT-27108 .toDouble() and .toFloat() conversions for unsigned types
• KT-29520 Random.Default cannot be used asJavaRandom
• KT-30109 Documentation for Result.onSuccess and Result.onFailure are flipped around
• KT-26378 'contains' overloads for unsigned integer ranges with other unsigned integer types
• KT-26410 High-order function overloads for unsigned arrays
• KT-27262 Binary search for specialized arrays of unsigned integers
• KT-28339 Add fill extension function for unsigned primitive arrays
• KT-28397 UByteArray plus UByteArray = List<UByte>
• KT-28779 Implement method sum() for arrays of unsigned primitives
• KT-29151 Documentation for CharSequence.take() & String.take() shows examples of Iterable<T>.take()
• KT-30035 add max/maxOf/min/minOf for unsigned types
• KT-30051 elementAt extension function of Array/PrimitiveAray/UnsignedArray does not throw IndexOutOfBoundException on incorrect index (JS only)
• KT-30141 JS: document Array.get behavior
• KT-30704 Documentation of Random function not quite correct

Tools. CLI

• KT-26240 Support JVM bytecode targets 9, 10, 11, 12

Tools. Gradle

• KT-12295 Gradle IC: Compile error leads to non-incremental build
• KT-12700 Add a way to diagnose IC problems
• KT-26275 Check new MPP IC
• KT-27885 Drop support for Gradle 3.x and earlier
• KT-27886 Drop support for Android Gradle plugin 2.x
• KT-28552 Gradle 4.7 import fails on Kotlin/mpp projects with Java11
• KT-29275 Drop support for Gradle 4.0
• KT-29758 Gradle build failed with exception on publication of a multiplatform library with Gradle metadata enabled: org.jetbrains.kotlin.gradle.plugin.mpp.HierarchyAttributeContainer cannot be cast to org.gradle.api.internal.attributes.AttributeContainerInternal
• KT-29966 Fix inter-project IC with new MPP for JS/JVM targets
• KT-27059 Ensure a dependency on the multiplatform project in the POM when publishing a single-platform module with the maven plugin
• KT-29971 ConcurrentModificationException in Kotlin Gradle plugin (GradleCompilerRunner.buildModulesInfo)
• KT-21030 Automatically detect java 1.8 sources in kotlin-android gradle plugin
• KT-27675 Enable Kapt build cache by default
• KT-27714 Kotlin MPP Android targets don't have their attributes copied to the configurations of the compilations
• KT-29761 Inter-project IC does not work for kaptGenerateStubs* tasks on Android
• KT-29823 Update 'org.gradle.usage' attribute rules to support the 'JAVA_API_JARS' value
• KT-29964 A universal Gradle DSL way of configuring all compilations of all targets doesn't work for Android target of a multiplatform project
• KT-30276 Warn if the Kotlin Gradle plugin is loaded multiple times
• KT-30322 Memory leak in CompilationSourceSetUtil
• KT-30492 Classes not removed for out/in process compilation

Tools. J2K

• KT-29713 java.lang.IllegalStateException at converting @RestController java file to Kotlin file

Tools. JPS

• KT-30137 Deadlock during concurrent classloading

Tools. Maven

• KT-29251 NSME: MavenProjectsManager.scheduleArtifactsDownloading() at KotlinMavenImporter.scheduleDownloadStdlibSources()

Tools. REPL

• KT-19276 Console spam when opening idea-community project in debug IDEA

Tools. Scripts

• KT-29296 Script evaluation - impossible to set base classloader to null
• KT-27051 Support dynamic versions in @file:DependsOn
• KT-27815 Compiler options in the scripting compilation configuration are ignored on compilation/evaluation
• KT-28593 Idea tries to associate file type with the script definition discovery file
• KT-29319 scripts default jvmTarget causes inlining problems - default should be 1.8
• KT-29741 KJvmCompiledScript can not be deserialized KJvmCompiledModule if it's null
• KT-30210 Coroutines in main.kts crash with NoSuchMethodError because kotlin-main-kts.jar has embedded coroutines

Tools. kapt

• KT-26977 kapt plugin applied in platform.jvm module preventing visibility of common code
• KT-27506 Kapt error "no interface expected here" in class implementing interface with secondary constructor
• KT-28220 kapt can generate invalid stub files for imports of enum constants
• KT-28306 Cannot extend an generic interface with function body while using kapt and correctErrorTypes in Kotlin 1.3
• KT-23880 Kapt: Support incremental annotation processors
• KT-29302 Java classes doesn't resolve Kotlin classes when kapt.use.worker.api = true
• KT-30163 Kapt: Javadoc in Java source model mangled (leading asterisks are preserved)

Previous releases

This release also includes the fixes and improvements from the previous releases.

1.3.21

Compiler

Fixes

• KT-29475 IllegalArgumentException at getAbstractTypeFromDescriptor with deeply nested expression inside function named with a right parenthesis
• KT-29479 WARN: Could not read file on Java classes from JDK 11+
• KT-29360 Kotlin 1.3.20-eap-100: This marker function should never been called. Looks like compiler did not eliminate it properly. Please, report an issue if you caught this exception.

IDE

Fixes

• KT-29486 Throwable: "Could not find correct module information" through IdeaKotlinUastResolveProviderService.getBindingContext() and ReplaceWithAnnotationAnalyzer.analyzeOriginal()
• KT-29394 Kotlin 1.3.20 EAP: Excess log messages with kotlin.parallel.tasks.in.project=true
• KT-29474 Regression in 1.3.20: Kotlin IDE plugin parses all *.gradle.kts files when any class in buildSrc is opened
• KT-29290 Warning "function returning deferred with a name that does not end with async" should not be displayed for let/also/apply...
• KT-29494 Don't report BooleanLiteralArgumentInspection in batch (offline) mode with INFORMATION severity
• KT-29525 turning on parallel tasks causes java.lang.NoClassDefFoundError: Could not initialize class kotlin.Unit sometimes
• KT-27769 Change the DSL marker icon
• KT-29118 Log polluted with multiple "Kotlin does not support alternative resolve" reports

IDE. Multiplatform

• KT-28128 MPP Kotlin/Native re-downloads POM files on IDE Gradle refresh

IDE. REPL

• KT-29400 IDE REPL in Gradle project: "IllegalStateException: consoleView must not be null" on module build

Libraries

Fixes

• KT-29612 jlink refuses to consume stdlib containing non-public package kotlin.native

Tools. CLI

• KT-29596 "AssertionError: Cannot load extensions/common.xml from kotlin-compiler.jar" on IBM JDK 8

Tools. Gradle

• KT-29476 1.3.20 MPP Android publishing common api configuration with runtime scope
• KT-29725 MPP Gradle 5.2: NoSuchMethodError in WrapUtil
• KT-29485 In MPP with Gradle module metadata, POM rewriting does not replace the root module publication with a platform one if the former has a custom artifact ID

Tools. Scripts

• KT-29490 Regression in 1.3.20: Kotlin Jsr223 script engine cannot handle functional return types

Tools. Kapt

• KT-29481 Annotation processors run on androidTest source set even without the kaptAndroidTest declaration
• KT-29513 kapt throws "ZipException: zip END header not found", when Graal SVM jar in classpath

Content

The release contains the JVM version of Kotlin compiler and also one native system dependent version for every major platform (Linux, macOS, and Windows). Those binaries are built with Excelsior JET AOT compiler (https://www.excelsiorjet.com/) and have faster startup time which is suitable for building small files or scripts.

Changelog

1.3.20

Android

• KT-22571 Android: Configure Kotlin should add implementation dependency instead of compile

Compiler

New Features

• KT-14416 Support of @PolymorphicSignature in Kotlin compiler
• KT-22704 Allow expect annotations with actual typealias to Java to have default argument values both in expected and in actual
• KT-26165 Support VarHandle in JVM codegen
• KT-26999 Inspection for unused main parameter in Kotlin 1.3

Performance Improvements

• KT-16867 Proguard can't unbox Kotlin enums to integers
• KT-23466 kotlin compiler opens-reads-closes .class files many times over
• KT-25613 Optimise boxing of inline class values inside string templates

Fixes

• KT-2680 JVM backend should generate synthetic constructors for enum entries (as javac does).
• KT-6574 Enum entry classes should be compiled to package private classes
• KT-8341 Local variable cannot have type parameters
• KT-14529 JS: annotations on property accessors are not serialized
• KT-15453 Annotations are ignored on accessors of private properties
• KT-18053 Unexpected behavior with "in" infix operator and ConcurrentHashMap
• KT-18592 Compiler cannot resolve trait-based superclass of Groovy dependency
• KT-19613 "Public property exposes its private type" not reported for primary constructor properties
• KT-20344 Unused private setter created for property
• KT-21862 java.lang.NoSuchFieldError when calling isInitialized on a lateinit "field" of a companion object
• KT-21946 Compilation error during default lambda inlining when it returns anonymous object
• KT-22154 Warning: Stripped invalid locals information from 1 method when compiling with D8
• KT-23369 Internal compiler error in SMAPParser.parse
• KT-23543 Back-end (JVM) Internal error: Couldn't inline method
• KT-23739 CompilationException: Back-end (JVM) Internal error: Couldn't inline method call: Unmapped line number in inlined function
• KT-24156 For-loop optimization should not be applied in case of custom iterator
• KT-24672 JVM BE: Wrong range is generated in LVT for variables with "late" assignment
• KT-24780 Recursive suspend local functions: "Expected an object reference, but found ."
• KT-24937 Exception from parser (EA-76217)
• KT-25058 Fix deprecated API usage in RemappingClassBuilder
• KT-25288 SOE when inline class is recursive through type parameter upper bound
• KT-25295 “Couldn't transform method node” error on compiling inline class with inherited interface method call
• KT-25424 No coercion to Unit when type argument specified explicitly
• KT-25702 @JvmOverloads should not be allowed on constructors of annotation classes
• KT-25893 crossinline suspend function leads to IllegalStateException: call to 'resume' before 'invoke' with coroutine or compile error
• KT-25907 "Backend Internal error" for a nullable loop variable with explicitly declared type in a for-loop over String
• KT-25922 Back-end Internal error : Couldn't inline method : Lambda inlining : invoke(Continuation) : Trying to access skipped parameter
• KT-26126 Front-end doesn't check that fun with contract and callsInPlace effect is an inline function; compiler crashes on val initialization
• KT-26366 UseExperimental with full qualified reference to marker annotation class is reported as error
• KT-26384 Compiler crash with nested multi-catch try, finally block and inline function
• KT-26505 Improve error message on missing script base class kotlin.script.templates.standard.ScriptTemplateWithArgs
• KT-26506 Incorrect bytecode generated for inner class inside inline class referencing outer 'this'
• KT-26508 Incorrect accessor generated for private inline class method call from lambda
• KT-26509 Internal compiler error on generating inline class private method call from companion object
• KT-26554 VerifyError: Bad type on operand stack for inline class with default parameter of underlying type
• KT-26582 Array literal of a primitive wrapper class is loaded as a primitive array literal
• KT-26608 Couldn't inline method call. RuntimeException: Trying to access skipped parameter: Ljava/lang/Object;
• KT-26658 Trying to access skipped parameter exception in code with crossinline suspend lambda with suspend function with default parameter call
• KT-26715 NullPointerException for an inline class constructor reference
• KT-26848 Incorrect line in coroutine debug metadata for first suspension point
• KT-26908 Inline classes can't have a parameter with a default value (Platform declaration clash)
• KT-26931 NSME “InlineClass.foo-impl(LIFace;)I” on calling inherited method from inline class instance
• KT-26932 CCE “Foo cannot be cast to java.lang.String” when accessing underlying value of inline class through reflection
• KT-26998 Default extension fun call in generic Kotlin interface with inline class substituted type of extension receiver fails with internal compiler error
• KT-27025 Inline class access to private companion object fun fails with VerifyError
• KT-27070 Delegated property with inline class type delegate fails with internal error in codegen
• KT-27078 Inline class instance captured in closure fails with internal error (incorrect bytecode generated)
• KT-27107 JvmStatic in inline class companion doesn't generate static method in the class
• KT-27113 Inline class's toString is not called when it is used in string extrapolation
• KT-27140 Couldn't inline method call 'ByteArray' with inline class
• KT-27162 Incorrect container is generated to callable reference classes for references to inline class members
• KT-27259 "Internal error: wrong code generated" for nullable inline class with an inline class underlying type
• KT-27318 Interface implementation by delegation to inline class type delegate fails with internal error in codegen
• KT-27358 Boxed inline class type default parameter values fail with CCE at run-time
• KT-27416 "IllegalStateException: Backend Internal error" for inline class with a function with default argument value
• KT-27429 "-java-parameters" compiler argument fails in constructor when there is an inline class parameter present
• KT-27513 Backend Internal Error when using inline method inside inline class
• KT-27560 Executing getter of property with type kotlin.reflect.KSuspendFunction1 throws MalformedParameterizedTypeException
• KT-27705 Internal compiler error (incorrect bytecode generated) when inner class constructor inside inline class references inline class primary val
• KT-27706 Internal compiler error (incorrect bytecode generated) when inner class inside inline class accepts inline class parameter
• KT-27732 Using type inference on platform types corresponding to unsigned types causes compiler error
• KT-27737 CCE for delegated property of inline class type
• KT-27762 The lexer crashes when a vertical tabulation is used
• KT-27774 Update asm to 7.0 in Kotlin backend
• KT-27948 "Argument 2: expected R, but found I" for equals operator on nullable and non-null unsigned types
• KT-28054 Inline class: "Cannot pop operand off an empty stack" for calling private secondary constructor from companion object
• KT-28061 Safe call operator and contracts: false negative "A 'return' expression required in a function with a block body"
• KT-28185 Incorrect behaviour of javaClass intrinsic for receivers of inline class type
• KT-28188 CCE when bound callable reference with receiver of inline class type is passed to inline function
• KT-28237 CoroutineStackFrame uses slashes instead of dots in FQN
• KT-28361 Class literal for inline class should return KClass object of the wrapper
• KT-28385 Rewrite at slice FUNCTION in MPP on "red" code
• KT-28405 VE “Bad type on operand stack” at runtime on creating inline class with UIntArray inside
• KT-28585 Inline classes not properly boxed when accessing a var (from enclosing scope) from lambda
• KT-28847 Compilation fails with "AssertionError: Rewrite at slice FUNCTOR" on compiling complicated case with delegating property
• KT-28879 "AnalyzerException: Expected I, but found R" when compiling javaClass on inline class value
• KT-28920 "AnalyzerException: Expected I, but found R" when compiling javaObjectType/javaPrimitiveType with inline classes
• KT-28965 Unsound smartcast to definitely not-null if value of one generic type is cast to other generic type
• KT-28983 Wrong mapping of flexible inline class type to primitive type

IDE

New Features

• KT-25906 Kotlin language injection doesn't evaluate constants in string templates
• KT-27461 Provide live template to generate main() with no parameters
• KT-28371 Automatically align ?: (elvis operator) after call on the new line

Performance Improvements

• KT-23738 Provide stubs for annotation value argument list
• KT-25410 Opening Settings freezes the UI for 23 seconds
• KT-27832 Improve performance of KotlinGradleProjectResolverExtension
• KT-28755 Optimize searching constructor delegation calls
• KT-29297 Improve performance of light classes in IDE (Java-to-Kotlin interop)

Fixes

• KT-9840 Right parenthesis doesn't appear after class name before the colon
• KT-13420 Extend Selection: lambda: whole literal with braces is selected after parameters
• KT-17502 Do not disable "Generate equals and hashCode" actions for data classes
• KT-22590 Create Kotlin SDK if it's absent on importing from gradle/maven Kotlin (JavaScript) projects and on configuring java project to Kotlin(JavaScript), Kotlin(Common)
• KT-23268 IntelliJ plugin: Variables from destructing declarations are not syntax colored as variables
• KT-23864 Copyright message is duplicated in kotlin file in root package after updating copyright
• KT-25156 SOE in IDE on destructuring delegated property declaration
• KT-25681 Remove "Coroutines (experimental)" settings from IDE and do not pass -Xcoroutines to JPS compiler (since 1.3)
• KT-26868 MPP: Gradle import: test dependencies get Compile scope
• KT-26987 "Extend Selection" is missing for labeled return
• KT-27095 Kotlin configuration: update EAP repositories to use https instead of http
• KT-27321 Cannot init component state if "internalArguments" presents in xml project structure (kotlinc.xml)
• KT-27375 Kotlin Gradle DSL script: "Unable to get Gradle home directory" in new project with new Gradle wrapper
• KT-27380 KotlinStringLiteralTextEscaper returns wrong offset on unparseable elements
• KT-27491 MPP JVM/JS wizard: Use Ktor in the skeleton
• KT-27492 Create some MPP wizard tests
• KT-27530 Kotlin Gradle plugin overwrites the JDK set by jdkName property of the Gradle Idea plugin
• KT-27663 Uast: don't store resolved descriptors in UElements
• KT-27907 Exception on processing auto-generated classes from AS
• KT-27954 Generate -> toString() using "Multiple templates with concatenation" should add spaces after commas
• KT-27941 MPP: Gradle import with "using qualified names" creates 2 modules with the same content root
• KT-28199 Could not get javaResolutionFacade for groovy elements
• KT-28348 Don't log or wrap ProcessCanceledException
• KT-28401 Show parameter info for lambdas during completion
• KT-28402 Automatically indent || and && operators
• KT-28458 New Project Wizard: move multiplatform projects to the new DSL
• KT-28513 Bad Kotlin configuration when old syntax is used for configured Gradle project with >= 4.4 version
• KT-28556 Wrong nullability for @JvmOverloads-generated method parameter in light classes
• KT-28997 Couldn't get delegate for class from any local class or object in script
• KT-29027 Kotlin LightAnnotations don't handle vararg class literals

IDE. Android

• KT-23560 Scratch: impossible to run scratch file from Android Studio
• KT-25450 NoClassDefFoundError when trying to run a scratch file in Android Studio 3.1.3, Kotlin 1.2.51
• KT-26764 kotlin content root isn't generated for Android module of a multiplatform project on Gradle import

IDE. Code Style, Formatting

• KT-5590 kotlin: line comment must not be on first column by default
• KT-24496 IntelliJ IDEA: Formatting around addition / subtraction not correct for Kotlin
• KT-25417 Incorrect formatting for comments on property accessors
• KT-27847 Destructured declaration continued on the next line is formatted with double indent
• KT-28070 Code style: "Align when multiline" option for "extends / implements list" changes formating of enum constants constructor parameters
• KT-28227 Formatter should not allow enum entries to be on one line with opening brace
• KT-28484 Bad formatting for assignment when continuation for assignments is disabled

IDE. Completion

• KT-18089 Completion for nullable types without safe call rendered in gray color is barely visible
• KT-20706 KDoc: Unneeded completion is invoked after typing a number/digit in a kdoc comment
• KT-22579 Smart completion should present enum constants with higher rank
• KT-23834 Code completion and auto import do not suggest extension that differs from member only in type parameter
• KT-25312 Autocomplete for overridden members in expected class inserts extra override word
• KT-26632 Completion: "data class" instead of "data"
• KT-27916 Autocomplete val when auto-completing const

IDE. Debugger

Fixes

• KT-13268 Can't quick evaluate expression with Alt + Click without get operator
• KT-14075 Debugger: Property syntax accesses private Java field rather than synthetic property accessor
• KT-22366 Debugger doesn't stop on certain expressions
• KT-23585 Evaluation of a static interface method call fails
• KT-24343 Debugger, Step Over: IllegalStateException on two consecutive breakpoints when first breakpoint is on an inline function call
• KT-24959 Evaluating my breakpoint condition fails with exception
• KT-25667 Exception in logs from WeakBytecodeDebugInfoStorage (NoStrataPositionManagerHelper)
• KT-26795 Debugger crashes with NullPointerException when evaluating const value in companion object
• KT-26798 Check that step into works with overrides in inline classes
• KT-27414 Use "toString" to render values of inline classes in debugger
• KT-27462 Main without parameters just with inline fun call: Debug: last Step Over can't finish the process
• KT-28028 IDEA is unable to find sources during debugging
• KT-28342 Can't evaluate the synthetic 'field' variable
• KT-28487 ISE “resultValue is null: cannot find method generated_for_debugger_fun” on evaluating value of inline class

IDE. Decompiler

• KT-27284 Disable highlighting in decompiled Kotlin bytecode
• KT-27460 "Show Kotlin bytecode": "Internal error: null" for an inline extension property from a different file

IDE. Gradle

• KT-27265 Unresolved reference in IDE on calling JVM source set members of a multiplatform project with Android target from a plain Kotlin/JVM module

IDE. Gradle. Script

• KT-14862 IDEA links to class file instead of source in buildSrc (Gradle/Kotlin script)
• KT-17231 "Optimize Import" action not working for Gradle script kotlin.
• KT-21981 Optimize imports on the fly does not take implicit imports into account in .kts files
• KT-24623 Class defined in gradle buildSrc folder is marked as unused when it is actually used in Gradle Script Kotlin file
• KT-24705 Script reports are shown in the editor only after caret move
• KT-24706 Do not attach script reports if 'reload dependencies' isn't pressed
• KT-25354 Gradle Kotlin-DSL: Changes of buildSrc are not visible from other modules
• KT-25619 Intentions not working in buildSrc (Gradle)
• KT-27674 Highlighting is skipped in files from buildSrc folder of Gradle project

IDE. Hints

• KT-13118 Parameter info is not shown for Kotlin last-argument lambdas
• KT-25162 Parameter info for builder functions and lambdas
• KT-26689 Lambda return expression hint not shown when returning a lambda from inside a lambda
• KT-27802 The hint for the if-expression is duplicated inside each branch

IDE. Inspections and Intentions

New Features

• KT-2029 Add inspection for boolean literals passed without using named parameters feature
• KT-5071 Properly surround a function invocation in string template by curly braces
• KT-5187 Quick Fix to remove inline keyword on warning about performance benefits
• KT-6025 Auto-remove toString() call in "Convert concatenation to template"
• KT-9983 "'inline'' modifier is not allowed on virtual members." should have quickfix
• KT-12743 Add Intention to convert nullable var to non-nullable lateinit
• KT-15525 Inspection to warn on thread-blocking invocations from coroutines
• KT-17004 There is no suggestion to add property to supertype
• KT-19668 Inspection "Redundant else in if"
• KT-20273 Inspection to report a setter of a property with a backing field that doesn't update the backing field
• KT-20626 Inspection for '+= creates a new list under the hood'
• KT-23691 Warn about var properties with default setter and getter that doesn't reference backing field
• KT-24515 Intention to add an exception under the cursor to @Throws annotations
• KT-25171 Inspection: Change indexed access operator on maps to Map.getValue
• KT-25620 Inspection for functions returning Deferred
• KT-25718 Add intention to convert SAM lambda to anonymous object
• KT-26236 QuickFix for ASSIGN_OPERATOR_AMBIGUITY on mutable collection '+=', '-='
• KT-26511 Inspection (without highlighting by default) for unlabeled return inside lambda
• KT-26653 Intention to replace if-else with x?.let { ... } ?: ...
• KT-26724 Inspection with a warning for implementation by delegation to a var property
• KT-26836 Add quick fix for type mismatch between signed and unsigned types for constant literals
• KT-27007 Intention: add label to return if scope is visually ambiguous
• KT-27075 Add a quick fix/intention to create expect member for an added actual declaration
• KT-27445 Add quickfix for compiler warning "DEPRECATED_JAVA_ANNOTATION"
• KT-28118 Remove empty parentheses for annotation entries
• KT-28631 Suggest to remove single lambda argument if its name is equal to it
• KT-28696 Inspection: detect potentially ambiguous usage of coroutineContext
• KT-28699 Add "Convert to also" intention

Performance Improvements

• KT-26969 ConvertCallChainIntoSequence quick fix doesn't use sequences all the way

Fixes

• KT-4645 Unexpected behevior of "Replace 'if' with 'when'" intention when called on second or third 'if'
• KT-5088 "Add else branch" quickfix on when should not add braces
• KT-7555 Omit braces when converting 'this' in 'Convert concatenation to template'
• KT-8820 No "Change type" quick fix inside when
• KT-8875 "Remove explicit type" produce red code for extension lambda
• KT-12479 IDEA doesn't propose to replace all usages of deprecated annotation when it declared w/o parentheses
• KT-13311 IDE marks fun finalize() as unused and says that its effective visibility is private
• KT-14555 Strange 'iterate over Nothing' intention
• KT-15550 Intention "Add names to call arguments" isn't available if one argument is a generic function call
• KT-15835 "Leaking 'this' in constructor" for enum class
• KT-16338 "Leaking 'this' in constructor" of non-final class when using 'this::class.java'
• KT-20040 Kotlin Gradle script: unused import doesn't become grey
• KT-20725 Cannot persist excluded methods for inspection "Accessor call that can be replaced with property syntax"
• KT-21520 "Assignment should be lifted out of 'if'" false positive for arguments of different types
• KT-23134 "Remove single lambda parameter" quick fix applied to a lambda parameter with explicit type breaks ::invoke reference on lambda
• KT-23512 "Remove redundant receiver" quick fix makes generic function call incompilable when type could be inferred from removed receiver only
• KT-23639 False positive "Unused symbol" for sealed class type parameters
• KT-23693 Add missing actual members quick fix doesn't work if there is already same-named function with the same signature
• KT-23744 "Kotlin library and Gradle plugin versions are different" inspection false positive for non-JVM dependencies
• KT-24492 "Call on collection type may be reduced" does not change labels from mapNotNull to map
• KT-25536 Use non-const Kotlin 'val' usage in Java code isn't reported on case labels (& assignments)
• KT-25933 ReplaceCallWithBinaryOperator should not suggest to replace 'equals' involving floating-point types
• KT-25953 Meaningless auto properties for Atomic classes
• KT-25995 "Simplify comparision" should try to apply "Simplify if expression" when necessary
• KT-26051 False positive "Redundant visibility modifier" for overridden protected property setter made public
• KT-26337 Exception (resource not found) in quick-fix tests in AS32
• KT-26481 Flaky false positive "Receiver parameter is never used" for local extension function
• KT-26571 Too much highlighting from "convert call chain into sequence"
• KT-26650 False negative "Call chain on collection should be converted into 'Sequence'"" on class implementing Iterable
• KT-26662 Corner cases around 'this' inside "replace if with safe access"
• KT-26669 "Remove unnecessary parentheses" reports parens of function returned from extension function
• KT-26673 "Remove parameter" quick fix keeps unused type parameter referred in type constraint
• KT-26710 Should not report "implicit 'it' is shadowed" when outer it is not used
• KT-26839 Add braces to if statement produces code that is not formatted according to style
• KT-26902 Bad quickfix name for "Call on non-null type may be reduced"
• KT-27016 Replace 'if' with elvis operator w/ interface generates invalid code (breaks type inference)
• KT-27034 "Redundant SAM constructor" inspection shouldn't make all lambda gray (too much highlighting)
• KT-27061 False positive "Convert to secondary constructor" with delegation
• KT-27071 "Add non-null asserted (!!) call" places !! at wrong position with operator get (array indexing)
• KT-27093 Create actual class from expect class doesn't add all necessary imports
• KT-27104 False positive "Convert call chain into Sequence" with groupingBy
• KT-27116 "Object literal can be converted to lambda" produces code littered with "return@label"
• KT-27138 Change visibility intentions are suggested on properties marked with @JvmField
• KT-27139 Add getter intention is suggested for properties marked with @JvmField
• KT-27146 False positive "map.put() can be converted to assignment" on super keyword with LinkedHashMap inheritance
• KT-27156 Introduce backing property intention is suggested for property marked with @JvmField
• KT-27157 Convert property to function intention is suggested for property marked with @JvmField
• KT-27173 "Lift return out of ..." should work on any of targeted return keywords
• KT-27184 "Replace with safe call" is not suggested for nullable var property that is impossible to smart cast
• KT-27209 "Loop parameter 'it' is unused": unhelpful quickfix
• KT-27291 "Create" quick fix: "destination directory" field suggests same root and JVM roots for all platforms
• KT-27354 False positive "Make 'Foo' open" for data class inheritance
• KT-27408 "Add braces to 'if' statement" moves end-of-line comment inside an if branch
• KT-27486 ConvertCallChainIntoSequence quick fix doesn't convert 'unzip' into 'Sequence'
• KT-27539 False positive Redundant Companion reference when val in companion is effectively shadowed by inherited val
• KT-27584 False positive "Move lambda argument out of parentheses" when implementing interface by delegation
• KT-27590 No “Change parameter” quick fix for changing argument type from UInt to Int
• KT-27619 Inspection "Invalid property key" should check whether reference is soft or not
• KT-27664 Fix flaky problem in tests "Could not initialize class UnusedSymbolInspection"
• KT-27699 "Remove redundant spread operator" produces incorrect code
• KT-27708 IDE highlights internal constructors used only from Java as unused
• KT-27791 Don't suggest Implement as constructor parameters quick fix for actual class declaration
• KT-27861 RedundantCompanionReference false positive for nested class with name "Companion"
• KT-27906 SafeCastAndReturn is not reported on code block with unqualified return
• KT-27951 False declaration in actual list (same name but not really actual)
• KT-28047 False positive "Redundant lambda arrow" for lambda returned from when branch
• KT-28196 KotlinAddImportAction: AWT events are not allowed inside write action
• KT-28200 KNPE in TypeUtilsKt.getDataFlowAwareTypes
• KT-28268 Don't suggest "make abstract" quick fix for inline classes
• KT-28286 "Unused symbol" inspection: Interface is reported as "class"
• KT-28341 False positive "Introduce backing property" intention for const values
• KT-28381 Forbid "move property to constructor" for expect classes
• KT-28382 Forbid "introduce backing property" for expect classes
• KT-28383 Exception during "move to companion" for expect class member
• KT-28443 "Move out of companion object" intention is suggested for @JvmField property inside companion object of interface
• KT-28504 Redundant async inspection: support calls on explicitly given scope
• KT-28540 "Replace assert boolean with assert equality" inspection quickfix doesn't add import statement
• KT-28618 Kotlin: convert anonymous function to lambda expression failed if no space at start of lambda expression
• KT-28694 "Assign backing field" quick fix adds empty line before created assignment
• KT-28716 KotlinDefaultHighlightingSettingsProvider suppresses inspections in non-kotlin files
• KT-28744 val-keyword went missing from constructor of inline class after applying “Create actual class...” intention
• KT-28745 val-keyword went missing from constructor of inline class after applying “Create expected class in common module...” intention

IDE. KDoc

• KT-24788 Endless exceptions in offline inspections

IDE. Multiplatform

• KT-26518 Create actual ... quick fix doesn't add a primary constructor call for the actual secondary constructor
• KT-26893 Multiplatform projects fail to import into Android Studio 3.3, 3.4
• KT-26957 Merge expect gutter icon, when used for the same line
• KT-27295 MPP: Rebuild module / Recompile source does nothing for Native with Delegate to gradle = Yes
• KT-27296 MPP: Rebuild module / Recompile source does nothing for Common with Delegate to gradle = Yes
• KT-27335 New multiplatform wizard: mobile library is generated with failed test
• KT-27595 KNPE on attempt to generate equals(), hashCode(), toString() for expect class

IDE. Navigation

• KT-22637 Go to actual declarations for enum values should choose correct value if they are written in one line
• KT-27494 Create tooling tests for new-multiplatform
• KT-28206 Go to implementations on expect enum shows not only enum classes, but also all members
• KT-28398 Broken navigation to actual declaration of println() in non-gradle project

IDE. Project View

• KT-26210 IOE “Cannot create file” on creating new file with existing filename by pasting a code in Project view
• KT-27903 Can create file with empty name without any warning

IDE. REPL

• KT-29285 Starting REPL in Gradle project: Will compile into IDEA's out folder which then shadows Gradle's compile output

IDE. Refactorings

• KT-23603 Add the support for find usages/refactoring of the buildSrc sources in gradle kotlin DSL build scripts
• KT-26696 Copy, Move: "Destination directory" field does not allow to choose a path from non-JVM module
• KT-28408 "Extract interface" action should not show private properties
• KT-28476 Extract interface / super class on non-JVM class throws KNPE

IDE. Scratch

• KT-23523 Filter out fake gradle modules from checkbox in Scratch file panel
• KT-25032 Scratch: IDEA hangs/freezes on code that never returns (infinite loops)
• KT-26271 Scratches for Kotlin do not work when clicking "Run Scratch File" button
• KT-26332 Fix classpath intention in Kotlin scratch file in Java only project doesn't do anything
• KT-27628 Scratch blocks AWT Queue thread
• KT-28045 'Run kotlin scratch' is shown for jest tests

IDE. Script

• KT-24465 Provide a UI to manage script definitions
• KT-24466 Add warning when there are multiple script definitions for one script
• KT-25818 IDE Scripting Console files shouldn't have scratch panel
• KT-26331 Please extract ScriptDefinitionContributor/KotlinScriptDefinition from kotlin-plugin.jar to separate jar
• KT-27669 Consider moving expensive tasks out of the UI thread
• KT-27743 Do not start multiple background threads loading dependencies for different scripts
• KT-27817 Implement a lightweight EP in a separate public jar for supplying script definitions to IDEA
• KT-27960 Add capability to import one Script to another
• KT-28046 "Reload script dependencies on file change" option is missing after project restart

IDE. Tests Support

• KT-27977 Missing 'run' gutter on a test method of an abstract class
• KT-28080 Wrong run configuration created from context for test method in abstract class

JS. Tools

• KT-27361 Support NamedConstructor in idl2k
• KT-28786 Float values initialized incorrectly while translating from IDL
• KT-28821 Kotlin/JS missing ClipboardEvent definitions
• KT-28864 Better support for TrackEvent, MediaStreamTrackEvent and RTCTrackEvent in idl

JavaScript

• KT-27611 Calling a suspending function of a JS library causes "Uncaught ReferenceError: CoroutineImpl is not defined"
• KT-28207 Finally block loops forever for specific code shape
• KT-28215 JS: inline suspend function not usable in non-inlined form
• KT-29003 KotlinJS: Size of String in stdlib is limited if the the Constructor String(chars: CharArray) gets used

Libraries

New Features

• KT-18398 Provide a way for libraries to avoid mixing Kotlin 1.0 and 1.1 dependencies in end user projects
• KT-27919 Publish modularized artifacts under 'modular' classifier

Performance Improvements

• KT-27251 Do not use Stack in FileTreeWalk iterator implementation

Fixes

• KT-12473 KotlinJS - comparator returning 0 changes order
• KT-20743 Use strongly typed events in Kotlin2js DOM API
• KT-20865 Retrieving groups by name is not supported on Java 9 even with kotlin-stdlib-jre8 in the classpath
• KT-23932 add "PointerEvent" for kotlin-stdlib-js
• KT-24336 Kotlin/JS missing SVGMaskElement interface
• KT-25371 Support unsigned integers in kotlinx-metadata-jvm
• KT-27629 kotlin.test BeforeTest/AfterTest annotation mapping for TestNG
• KT-28091 Provide correct AbstractMutableCollections declarations in stdlib-common
• KT-28251 Stdlib: Deprecated ReplaceWith kotlin.math.log replacement instead of kotlin.math.ln
• KT-28488 Add clarification for COROUTINES_SUSPENDED documentation
• KT-28572 readLine() stumbles at surrogate pairs
• KT-29187 JS toTypedArray returns array of invalid type for LongArray and BooleanArray

Reflection

• KT-26765 Support calling constructors with inline classes in the signature in reflection
• KT-27585 Flaky IllegalPropertyDelegateAccessException: Cannot obtain the delegate of a non-accessible property. Use "isAccessible = true" to make the property accessible
• KT-27598 "KotlinReflectionInternalError" when using callBy on constructor that has inline class parameters
• KT-27913 ReflectJvmMapping.getKotlinFunction(ctor) works incorrectly with types containing variables of inline class

Tools. CLI

• KT-27226 Argfiles: An empty argument in quotes with a whitespace or a newline after it interrupts further reading of arguments
• KT-27430 [Experimental API] Report warning instead of error if non-marker is used in -Xuse-experimental/-Xexperimental
• KT-27626 -Xmodule-path does not work in Gradle project with Java 9
• KT-27709 Using an experimental API that does not exist should warn, not error
• KT-27775 Re-enable directories passed as <sources> in -Xbuild-file
• KT-27930 Do not use toURI in ModuleVisibilityUtilsKt.isContainedByCompiledPartOfOurModule if possible
• KT-28180 Backslash-separated file paths in argfiles do not work on Windows
• KT-28974 Serialization bug in CommonToolArguments, affecting MPP project data serialization

Tools. Compiler Plugins

• KT-24997 Pass arguments to Kapt in human-readable format
• KT-24998 Introduce separate command line tool specifically for Kapt in order to improve UX
• KT-25128 ABI jar generation in the CLI compiler for Bazel like build systems.

Tools. Gradle

New Features

• KT-26963 Warn user that a custom platform-agnostic source set wouldn't be included into build unless it is required for other source sets
• KT-27394 Add kotlinOptions in compilations of the new MPP model
• KT-27535 Implement AARs building and publishing in new MPP
• KT-27685 In new MPP, expose a compilation's default source set via DSL
• KT-28155 Add ability to run tasks in parallel within project
• KT-28842 Enable JS IC by default

Performance Improvements

• KT-24530 Enable compile avoidance for kaptKotlin tasks
• KT-28037 In-process Kotlin compiler leaks thread local values

Fixes

• KT-26065 Kotlin Gradle plugin resolves dependencies at configuration time
• KT-26389 Support Gradle Kotlin DSL in projects with the kotlin-multiplatform plugin
• KT-26663 Gradle dependency DSL features missing for the new MPP dependencies
• KT-26808 Deprecation Warning Gradle 5 - "DefaultSourceDirectorySet constructor has been deprecated"
• KT-26978 Gradle verification fails on DiscoverScriptExtensionsTask
• KT-27682 Kotlin MPP DSL: a target is missing the attributes { ... } function, only the attributes property is available.
• KT-27950 Gradle 5.0-rc1: "Compilation with Kotlin compile daemon was not successful"
• KT-28355 Gradle Kotlin plugin publishes "api" dependencies with runtime scope
• KT-28363 Enable resources processing for Kotlin/JS target in multiplatform projects
• KT-28469 Gradle Plugin: Task DiscoverScriptExtensionsTask is never up-to-date
• KT-28482 Always rewrite the MPP dependencies in POMs, even when publishing with Gradle metadata
• KT-28520 MPP plugin can't be applied altogether with the "maven-publish" plugin in a Gradle 5 build
• KT-28635 fromPreset() in MPP Gradle plugin DSL is hard to use from Gradle Kotlin DSL scripts
• KT-28749 Expose allKotlinSourceSets in KotlinCompilation
• KT-28795 The localToProject attribute is not properly disambiguated with Gradle 4.10.2+
• KT-28836 Kotlin compiler logs from Gradle Kotlin Plugin aren't captured by Gradle
• KT-29058 Gradle Plugin: Multiplatform project with maven-publish plugin does not use project group for "metadata" artifact POM

Tools. J2K

• KT-26073 Irrelevant "create extra commit with java->kt rename"

Tools. JPS

• KT-26980 JPS Native warning is duplicated for test source sets
• KT-27285 MPP: invalid common -> platform dependency: JPS fails with Throwable "Cannot initialize Kotlin context: Cyclically dependent modules" at KotlinChunk.<init>()
• KT-27622 JPS, JS: Resources marked as "kotlin-resource" are not copied to the out folder in a Kotlin-js project
• KT-28095 JPS: support -Xcommon-sources for multiplatform projects (JS)
• KT-28316 Report Native is not yet supported in IDEA internal build system on JPS build once per project/multiplatform module
• KT-28527 JPS: Serialization plugin not loaded in ktor
• KT-28900 With "Keep compiler process alive between invocations = No" (disabled daemon) JPS rebuild fails with SCE: "Provider AndroidCommandLineProcessor not a subtype" at PluginCliParser.processPluginOptions()

Tools. Scripts

• KT-27382 Embeddable version of scripting support (KEEP 75)
• KT-27497 kotlin script - No class roots are found in the JDK path
• KT-29293 Script compilation - standard libs are not added to the dependencies
• KT-29301 Some ivy resolvers are proguarded out of the kotlin-main-kts
• KT-29319 scripts default jvmTarget causes inlining problems - default should be 1.8

Tools. kapt

New Features

• KT-28024 Kapt: Add option for printing timings for individual annotation processors
• KT-28025 Detect memory leaks in annotation processors

Performance Improvements

• KT-28852 Cache classloaders for tools.jar and kapt in Gradle workers

Fixes

• KT-24368 Kapt: Do not include compile classpath entries in the annotation processing classpath
• KT-25756 Investigate file descriptors leaks in kapt
• KT-26145 Using kapt without the kotlin-kapt plugin should throw a build error
• KT-26304 Build fails with "cannot find symbol" using gRPC with dagger; stub compilation fails to find classes generated by kapt
• KT-26725 Kapt does not handle androidx.annotation.RecentlyNullable correctly
• KT-26817 kapt 1.2.60+ ignores .java files that are symlinks
• KT-27126 kapt: class implementing List<T> generates bad stub
• KT-27188 kapt Gradle plugin fails in Java 10+ ("Cannot find tools.jar")
• KT-27334 [Kapt] Stub generator uses constant value in method annotation instead of constant name.
• KT-27404 Kapt does not call annotation processors on custom (e.g., androidTest) source sets if all dependencies are inherited from the main kapt configuration
• KT-27487 Previous value is passed to annotation parameter using annotation processing
• KT-27711 kapt: ArrayIndexOutOfBoundsException: 0
• KT-27910 Kapt lazy stub without explicit type that initializes an object expression breaks stubbing

Content

The release contains the JVM version of Kotlin compiler and also one native system dependent version for every major platform (Linux, macOS, and Windows). Those binaries are built with Excelsior JET AOT compiler (https://www.excelsiorjet.com/) and have faster startup time which is suitable for building small files or scripts.

Android Studio Compatibility

Please note that Kotlin 1.3.11 and its plugin are only compatible with AS 3.2.1, 3.3 RC2+ and 3.4 C6+

Changelog

Compiler

• KT-28097 AbstractMethodError for @JvmSuppressWildcards annotation used with coroutines
• KT-28225 Report a warning when comparing incompatible enums

IDE. Gradle

• KT-28389 MPP IDE import does not recognize a dependency from a subproject to the root project

IDE. Inspections and Intentions

• KT-28445 "Redundant async" inspection does not work with release coroutines

IDE. Multiplatform

• KT-27632 MPP IDE commonMain cannot see other commonMain types transitively which are exposed through a middle multiplatform module

JavaScript

• KT-27946 Late initialization based on contracts breaks Kotlin/JS in 1.3.0

Tools. Gradle

• KT-27500 MPP: Native: .module dependency is reported as error in the IDE after import

Previous releases

This release also includes the fixes and improvements from the previous releases.

Content

The release contains the JVM version of Kotlin compiler and also one native system dependent version for every major platform (Linux, macOS, and Windows). Those binaries are built with Excelsior JET AOT compiler (https://www.excelsiorjet.com/) and have faster startup time which is suitable for building small files or scripts.

Changelog

Compiler

• KT-27758 Kotlin 1.3 breaks compilation of calling of function named 'contract' with block as a last parameter
• KT-27895 Kotlin 1.3.0 broken runtime annotation issue

IDE

• KT-27230 Freeze on paste
• KT-27907 Exception on processing auto-generated classes from AS

IDE. Debugger

• KT-27540 2018.3 and 2019.1 Debugger: Evaluating anything fails with KNPE in LabelNormalizationMethodTransformer
• KT-27833 Evaluate exception in 183/191 with asm-7.0-beta1/'asm-7.0'
• KT-27965 Sequence debugger does not work in Android Studio
• KT-27980 Kotlin sequence debugger throws IDE exception in IDEA 183

IDE. Gradle

• KT-27265 Unresolved reference in IDE on calling JVM source set members of a multiplatform project with Android target from a plain Kotlin/JVM module
• KT-27849 IntelliJ: Wrong scope of JVM platform MPP dependency

IDE. Inspections and Intentions

• KT-26481 Flaky false positive "Receiver parameter is never used" for local extension function
• KT-27357 Function with inline class type value parameters is marked as unused by IDE
• KT-27434 False positive "Unused symbol" inspection for functions and secondary constructors of inline classes
• KT-27945 Quick-fix whitespace bug in KtPrimaryConstructor.addAnnotationEntry()

IDE. Scratch

• KT-27746 Scratch: "Cannot pop operand off an empty stack" in a new scratch file

IDE. Tests Support

• KT-27371 Common tests can not be launched from gutter in MPP Android/iOS project

Reflection

• KT-27878 Spring: "AssertionError: Non-primitive type name passed: void"

Tools. Gradle

• KT-27160 Kotlin Gradle plugin 1.3 resolves script configurations during project evaluation
• KT-27803 CInterop input configuration has 'java-api' as a Usage attribute value in new MPP
• KT-27984 Kotlin Gradle Plugin: Circular dependency

Tools. JPS

• KT-26489 JPS: support -Xcommon-sources for multiplatform projects (JVM)
• KT-27037 Incremental compilation failed after update to 1.3.0-rc-60
• KT-27792 Incremental compilation failed with NullPointerException in KotlinCompileContext.markChunkForRebuildBeforeBuild

Tools. kapt

• KT-27126 kapt: class implementing List<T> generates bad stub

Previous releases

This release also includes the fixes and improvements from the previous releases.

IDE

• KT-25429 Replace update channel in IDE plugin
• KT-27793 kotlinx.android.synthetic is unresolved on project reopening

IDE. Inspections and Intentions

• KT-27619 Inspection "Invalid property key" should check whether reference is soft or not

Previous releases

This release also includes the fixes and improvements from the previous releases.