1.2.60

Native compiler binaries

We have now not only the JVM version of Kotlin compiler but 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.

How to use it:

kotlinc [Runtime options and properties] [-args Kotlin compiler arguments] Please notice that you need to prepend kotlin compiler arguments with -args unlike in JVM version.

Some examples:

kotlinc -args -kotlin-home <path> kotlinc -Xmx512m -args hello.kt -d hello.jar kotlinc -args -script list_folders.kts <script arguments>

Compiler

• KT-13762 Prohibit annotations with target 'EXPRESSION' and retention 'BINARY' or 'RUNTIME'
• KT-18882 Allow code to have platform specific annotations when compiled for different platforms
• KT-20356 Internal compiler error - This method shouldn't be invoked for INVISIBLE_FAKE visibility
• KT-22517 Deprecate smartcasts for local delegated properties
• KT-23153 Compiler allows to set non constant value as annotation parameter
• KT-23413 IndexOutOfBoundsException on local delegated properties from provideDelegate if there's at least one non-local delegated property
• KT-23742 Optimise inline class redundant boxing on return from inlined lambda
• KT-24513 High memory usage in Kotlin and 2018.1
• KT-24617 Optional expected annotation is unresolved in a dependent platform module
• KT-24679 KotlinUCallExpression doesn't resolve callee if it is an inline method
• KT-24808 NI: nested withContext call is reported with Suspension functions can be called only within coroutine body error
• KT-24825 NoClassDefFoundError on SAM adapter in a nested call in inlined lambda since 1.2.40
• KT-24859 Disallow calls of functions annotated with receiver annotated with @RestrictsSuspension in foreign suspension context
• KT-24911 Kotlin 1.2.50: UI for @RecentlyNonNull looks strange in the editor
• KT-25333 Restrict visibility of Java static members from supertypes of companion object

IDE

Performance Improvements

• KT-20924 Slow KtLightAbstractAnnotation.getClsDelegate() lightAnnotations.kt
• KT-23844 Kotlin property accessor searcher consumes CPU when invoked on a scope consisting only of Java files

Fixes

• KT-4311 "Override members" works wrong when function is extension
• KT-13948 IDE plugins: improve description
• KT-15300 "INFO - project.TargetPlatformDetector - Using default platform" flood in log
• KT-17350 Implement members from interface fails when one of the generic types is unresolved
• KT-17668 Edit Configuration dialog doesn't have a button for choosing the "Main class" field
• KT-19102 Wrong equals() and hashCode() code generated for arrays of arrays
• KT-20056 TCE on creating object of an anonymous class in Kotlin script
• KT-21863 Imported typealias to object declared as "Unused import directive" when only referring to methods
• KT-23272 Git commit not working
• KT-23407 Pasting callable reference from different package suggests imports, but inserts incompilable FQN
• KT-23456 UAST: Enum constant constructor call arguments missing from Kotlin enums
• KT-23942 Fix building light-classes for MPP project containing multi-file facades
• KT-24072 Kotlin SDK appears as many times as there are modules in the project
• KT-24412 Kotlin create project wizard: Kotlin/JS no SDK
• KT-24933 please remove usages of com.intellij.psi.search.searches.DirectClassInheritorsSearch#search(com.intellij.psi.PsiClass, com.intellij.psi.search.SearchScope, boolean, boolean) deprecated long ago
• KT-24943 Project leak via LibraryEffectiveKindProviderImpl
• KT-24979 IndexNotReadyException in KtLightClassForSourceDeclaration#isInheritor
• KT-24958 Escaping goes insane when editing interpolated string in injected fragment editor
• KT-25024 Wrong resolve scope while resolving java.lang.String PsiClassReferenceType
• KT-25092 SourcePsi should be physical leaf element but got OPERATION_REFERENCE
• KT-25242 'Resolved to error element' highlighting is confusingly similar to an active live template
• KT-25249 Uast operates "Unit" type instead of "void"
• KT-25255 Preferences | Languages & Frameworks | Kotlin Updates: show currently installed version
• KT-25297 Inconsistency in KotlinULambdaExpression and KotlinLocalFunctionULambdaExpression
• KT-25414 Support checking eap-1.3 channel for updates
• KT-25524 UAST: proper resolve for function variable call
• KT-25546 Create popup in 1.2.x plugin if user upgrade version in gradle or maven to kotlin 1.3

IDE. Android

• KT-17946 Android Studio: remove Gradle configurator on configuring Kotlin
• KT-23040 Wrong run configuration classpath in a mixed Java/Android project
• KT-24321 Actual implementations from Android platform module are wrongly reported with no corresponding expected declaration in IDE
• KT-25018 Exception Dependencies for org.jetbrains.kotlin.resolve.calls.* cannot be satisfied on a simple project in AS 3.2 Canary

IDE. Code Style, Formatting

• KT-14066 Comments on when branches are misplaced
• KT-25008 Formatter: Use single indent for multiline elvis operator

IDE. Completion

• KT-23627 Autocompletion inserts FQN of stdlib functions inside of scoping lambda called on explicit this
• KT-25239 Add postfix template for listOf/setOf/etc

IDE. Debugger

• KT-23162 Evaluate expression in multiplatform common test fails with JvmName missing when run in JVM
• KT-24903 Descriptors leak from KotlinMethodSmartStepTarget

IDE. Decompiler

• KT-23981 Kotlin bytecode decompiler works in AWT thread

IDE. Gradle

• KT-24614 Gradle can't get published versions until commenting repositories in settings.gradle

IDE. Gradle. Script

• KT-24588 Multiple Gradle Kotlin DSL script files dependencies lifecycle is flawed

IDE. Hints

• KT-22432 Type hints: Don't include ".Companion" in the names of types defined inside companion object
• KT-22653 Lambda return hint is duplicated for increment/decrement expressions
• KT-24828 Double return hints on labeled expressions

IDE. Inspections and Intentions

New Features

• KT-7710 Intention to convert lambda to anonymous function
• KT-11850 Add nested lambdas with implicit parameters warning
• KT-13688 Add 'Change to val' quickfix for delegates without setValue
• KT-13782 Intention (and may be inspection) to convert toString() call to string template
• KT-14779 Inspection to replace String.format with string templates
• KT-15666 Unused symbol: delete header & its implementations together
• KT-18810 Quick-fix for 'is' absence in when
• KT-22871 Add quickfix to move const val into companion object
• KT-23082 Add quick-fix for type variance conflict
• KT-23306 Add intention of putting remaining when-values even in end, and even if there is "else"
• KT-23897 Inspections: report extension functions declared in same class
• KT-24295 Add "Remove 'lateinit'" quickfix
• KT-24509 Inspection "JUnit tests should return Unit"
• KT-24815 Add Quick fix to remove illegal "const" modifier
• KT-25238 Add quickfix wrapping expression into listOf/setOf/etc in case of type mismatch

Fixes

• KT-12298 Fix override signature doesn't remove bogus reciever
• KT-20523 Don't mark as unused functions with [@kotlin](https://github.com/kotlin).test.* annotations and classes with such members
• KT-20583 Report "redundant let" even for it in argument position
• KT-21556 "Call chain on collection type may be simplified" generates uncompiled code on IntArray
• KT-22030 Invalid Function can be private inspection
• KT-22041 "Convert lambda to reference" suggested incorrectly
• KT-22089 Explict This inspection false negative with synthetic Java property
• KT-22094 Can be private false positive with function called from lambda inside inline function
• KT-22162 Add indices to loop fails on destructing declarator
• KT-22180 "Can be private" false positive when function is called by inline function inside property initializer
• KT-22371 "Create secondary constructor" quick fix is not suggested for supertype constructor reference
• KT-22758 "Create ..." and "Import" quick fixes are not available on unresolved class name in primary constructor
• KT-23105 Create actual implementation shouldn't generate default parameter values
• KT-23106 Implement methods should respect actual modifier as well
• KT-23326 "Add missing actual members" quick fix fails with AE at KtPsiFactory.createDeclaration() with wrong expect code
• KT-23452 "Remove unnecessary parentheses" reports parens of returned function
• KT-23686 "Add missing actual members" should not add primary actual constructor if it's present as secondary one
• KT-23697 Android project with 'org.jetbrains.kotlin.platform.android' plugin: all multiplatform IDE features are absent
• KT-23752 False positive "Remove variable" quick fix on property has lambda or anonymous function initializer
• KT-23762 Add missing actual members quick fix adds actual declaration for val/var again if it was in the primary constructor
• KT-23788 Can't convert long char literal to string if it starts with backslash
• KT-23860 Import quick fix is not available in class constructor containing transitive dependency parameters
• KT-24349 False positive "Call on collection type may be reduced"
• KT-24374 "Class member can have private visibility" inspection reports expect members
• KT-24422 Android Studio erroneously reporting that [@Inject](https://github.com/Inject) lateinit var can be made private
• KT-24423 False inspection warning "redundant type checks for object"
• KT-24425 wrong hint remove redundant Companion
• KT-24537 False positive property can be private on actual properties in a multiplatform project
• KT-24557 False warning "Remove redundant call" for nullable.toString
• KT-24562 actual extension function implementation warns Receiver type unused
• KT-24632 Quick fix to add getter and setter shouldn't use field when it is not allowed
• KT-24816 Inspection: Sealed subclass can be object shouldn't be reported on classes with state

IDE. JS

• KT-5948 JS: project shouldn't have "Java file" in new item menu

IDE. Multiplatform

• KT-23722 MPP: Run tests from common modules should recompile correspond JVM implementation module
• KT-24159 MPP: Show Kotlin Bytecode does not work for common code
• KT-24839 freeCompilerArgs are not imported into Kotlin facet of Android module in IDEA

IDE. Navigation

• KT-11477 Kotlin searchers consume CPU in a project without any Kotlin files
• KT-17512 Finding usages of actual declarations in common modules
• KT-20825 Header icon on actual class is lost on new line adding
• KT-21011 Difference in information shown for "Is subclassed by" gutter on mouse hovering and clicking
• KT-21113 Expected gutter icon on companion object is unstable
• KT-21710 Override gutter markers are missing for types in sources jar
• KT-22177 Double "A" icon for an expect class with constructor
• KT-23685 Navigation from expect part to actual with ctrl+alt+B shortcut should provide a choice to what actual part to go
• KT-24812 Search suggestion text overlaps for long names

IDE. Refactorings

• KT-15159 Introduce typealias: Incorrect applying of a typealias in constructor calls in val/var and AssertionError
• KT-15351 Extract Superclass/Interface: existent target file name is rejected; TCE: "null cannot be cast to non-null type org.jetbrains.kotlin.psi.KtFile" at ExtractSuperRefactoring.createClass()
• KT-16281 Extract Interface: private member with Make Abstract = Yes produces incompilable code
• KT-16284 Extract Interface/Superclass: reference to private member turns incompilable, when referring element is made abstract
• KT-17235 Introduce Parameter leaks listener if refactoring is cancelled while in progress
• KT-17742 Refactor / Rename Java getter to get() does not update Kotlin references
• KT-18555 Refactor / Extract Interface, Superclass: Throwable: "Refactorings should be invoked inside transaction" at RefactoringDialog.show()
• KT-18736 Extract interface: import for property type is omitted
• KT-20260 AE “Unexpected container” on calling Refactor → Move for class in Kotlin script
• KT-20465 "Introduce variable" in build.gradle.kts creates a variable with no template to change its name
• KT-20467 Refactor → Extract Function: CCE “KtNamedFunction cannot be cast to KtClassOrObject” on calling refactoring for constructor
• KT-20469 NDFDE “Descriptor wasn't found for declaration VALUE_PARAMETER” on calling Refactor → Extract Function on constructor argument
• KT-22931 Converting a scoping function with receiver into one with parameter may change the semantics
• KT-23983 Extract function: Reified type parameters are not extracted properly
• KT-24460 Rename refactoring does not update super call
• KT-24574 Changing Java constructor signature from Kotlin usage is totally broken
• KT-24712 Extract Function Parameter misses 'suspend' for lambda type
• KT-24763 "Change signature" refactoring breaks Kotlin code
• KT-24968 Type hints disappear after "Copy" refactoring
• KT-24992 The IDE got stuck showing a modal dialog (kotlin refactoring) and doesn’t react to any actions

IDE. Script

• KT-25373 Deadlock in idea plugin

IDE. Tests Support

• KT-18319 Gradle: Run tests action does not work when test name contains spaces
• KT-22306 Empty gutter menu for main() and test methods in Kotlin/JS project
• KT-23672 JUnit test runner is unaware of @kotlin.test.Test tests when used in common multiplatform module, even if looked from JVM multiplatform module
• KT-25253 No “run” gutter icons for tests in Kotlin/JS project

JavaScript

• KT-22376 JS: TranslationRuntimeException on 'for (x in ("a"))'
• KT-23458 ClassCastException when compiling when statements to JS

Libraries

• KT-24204 Empty progression last value overflows resulting in progression being non-empty
• KT-25351 TestNGAsserter needs to swap expected/actual

Reflection

• KT-16616 KotlinReflectionInternalError: Reflection on built-in Kotlin types is not yet fully supported in getMembersOfStandardJavaClasses.kt
• KT-17542 KotlinReflectionInternalError on ::values of enum class
• KT-20442 ReflectJvmMapping.getJavaConstructor() fails with Call is not yet supported for anonymous class
• KT-21973 Method.kotlinFunction for top level extension function returns null when app is started from test sources
• KT-22048 Reflection explodes when attempting to get constructors of an enum with overridden method

Tools. Android Extensions

• KT-22576 Parcelable: Allow Parcelize to work with object and enum types
• KT-24459 @IgnoredOnParcel annotation doesn't work for @Parcelize
• KT-24720 Parcelable: java.lang.LinkageError

Tools. Compiler Plugins

• KT-23808 Array in @Parcelize class generates an java.lang.VerifyError

Tools. Gradle

• KT-18621 org.jetbrains.kotlin.incremental.fileUtils.kt conflicts when compiler and gradle plugin in classpath
• KT-24497 Externalized all-open plugin is not applied to a project
• KT-24559 Multiple Kotlin daemon instances are started when building MPP with Gradle
• KT-24560 Multiple Kotlin daemon instances are started when Gradle parallel build is used
• KT-24653 Kotlin plugins don't work when classpath dependency is not declared in current or root project
• KT-24675 Use Gradle dependency resolution to get compiler classpath
• KT-24676 Use Gradle dependency resolution to form compiler plugin classpath
• KT-24946 ISE: "The provided plugin org.jetbrains.kotlin.scripting.compiler.plugin.ScriptingCompilerConfigurationComponentRegistrar is not compatible with this version of compiler" when build simple Gradle with Zulu JDK

Tools. Incremental Compile

• KT-25051 Change in "kotlin-android" project w/o package parts causes non-incremental compilation of dependent modules

Tools. J2K

• KT-9945 converting java to kotlin confuses git

Tools. JPS

• KT-19957 Support incremental compilation to JS in JPS
• KT-22611 Support compiling scripts in JPS
• KT-23558 JPS: Support multiplatform projects
• KT-23757 JPS: Incremental multiplatform projects compilation
• KT-24936 Don't use internal terms in compiler progress messages
• KT-25218 Build fails as Javac doesn't see Kotlin classes

Tools. Scripts

• KT-24926 NoSuchElementException in TemplateAnnotationVisitor when upgrading the Gradle Kotlin DSL to Kotlin 1.2.50

Tools. kapt

• KT-24313 Unable to use KAPT when dependency to it is added to buildSrc
• KT-24449 'kapt.kotlin.generated' is not marked as source root in Android Studio 3.1 and 3.2
• KT-24538 Kapt performs Kotlin compilation when annotation processors are not configured
• KT-24919 Caused by: org.gradle.api.InvalidUserDataException: 'projectDir' is not a file
• KT-24963 gradle kapt plugin's assumption on build dir causing duplicate class error
• KT-24985 Kapt: Allow to disable info->warning mapping in logger
• KT-25071 kapt sometimes emits java stubs with imports that should be static imports
• KT-25131 Kapt should not load annotation processors when generating stubs