ChangeLog.md

CHANGELOG

1.1

1.0.3

Compiler

IDE

1.0.2

Compiler

Analysis & diagnostics

• KT-7437, KT-7971, KT-7051, KT-6125, KT-6186, KT-11649 Implement missing checks for protected visibility
• KT-11666 Report "Implicit nothing return type" on non-override member functions
• KT-4328, KT-11497, KT-10493, KT-10820, KT-11368 Report error if some classes were not found due to missing or conflicting dependencies
• KT-11280 Do not perform smart casts for values with custom equals compared with ==
• KT-3856 Fix wrong "inner class inaccessible" diagnostic for extension to outer class
• KT-3896, KT-3883, KT-4986 do...while (true) is now considered an infinite loop
• KT-10445 Prohibit initialization of captured val in lambda or in local function
• KT-10042 Correctly handle local classes and anonymous objects in control flow analysis
• KT-11043 Prohibit complex expressions with class literals in annotation arguments
• KT-10992, KT-11007 Fix multiple problems related to smart casts
• KT-11490 Prohibit nested intersection types in return position
• KT-11411 Report "illegal noinline/crossinline" on parameter of subtype of function type
• KT-3083 Report "conflicting overloads" for functions with parameter of type parameter type
• KT-7265 Parse anonymous functions in blocks as expressions
• KT-8246 Handle break/continue for outer loop correctly in case of try/finally in between
• Report warning about unused anonymous functions
• Improve callable reference type in some ambiguous cases
• Improve multiple diagnostic messages: KT-10761, KT-9760, KT-10949, KT-9887, KT-9550, KT-11239, KT-11819
• Fix several compiler bugs leading to exceptions: KT-9820, KT-11597, KT-10983, KT-10972, KT-11287, KT-11492, KT-11765, KT-11869

JVM code generation

• KT-8269, KT-9246, KT-10143 Fix visibility of protected classes in bytecode
• KT-11363 Fix potential binary compatibility breakage on using when over enums in inline functions
• KT-11762 Fix VerifyError caused by explicit loop variable type
• KT-9670 Optimize Class <-> KClass wrapping/unwrapping when getting values from annotation
• KT-6842 Optimize unnecessary boxing and interface calls on iterating over ranges
• KT-11025 Don't inline const val properties in non-annotation contexts
• KT-5429 Write nullability annotations on extension receiver parameters
• KT-11347 Preserve source file and line number of call site when inlining certain standard library functions
• KT-11677 Write correct generic signatures for local classes in inlined lambdas
• Fix multiple issues leading to exceptions or bad bytecode being generated: KT-11034, KT-11519, KT-11117, KT-11479

Java interoperability

• KT-3068 Load contravariantly projected collections in Java (List<? super T>) as mutable collections in Kotlin (MutableList<in T>)
• KT-11322 Do not lose type nullability information in SAM constructors
• KT-11721 Fix wrong "Typechecker has run into recursive problem" error on calling Kotlin get function as synthetic Java property
• KT-10691 Fix wrong "Inherited platform declarations clash" error on inheritance from generic Java class with overloaded methods

Command line compiler

• KT-9546 Flush stdout and stderr before shutdown when executing scripts
• KT-10605 Disable colored output on certain platforms to prevent crashes
• Report warning instead of error on unknown "-X" flags
• Remove the compiler option "Xmultifile-facades-open"

Compiler daemon

• Reduce read disk activity
• Fix compiler daemon JAR cache clearing on IDEA Ultimate

Standard library

• KT-11410 Reduce method count of the standard library by ~2k
• KT-9990 Optimize snapshot operations to return special collection implementations when result is empty or has single element
• KT-10794 EmptyList now implements RandomAccess
• KT-10821 Create at most one wrapper sequence for adjacent drop/take operations on sequences
• KT-11301 Make Map.plus accept Map out-projected by key type as either operand (receiver or parameter)
• KT-11485 Remove implementations of some internal intrinsic functions
• KT-11648 Add deprecated extension MutableList.remove to redirect to valid function removeAt
• KT-11348 kotlin.test: Make inline methods todo and currentStackTrace @InlineOnly not to lose stack trace
• KT-11745 Rename parameters of String.subSequence to match those of CharSequence.subSequence
• KT-10953 Clarify parameter order of lambda function parameter of *Indexed functions
• KT-10198 Improve docs for binarySearch functions
• KT-9786 Improve docs for trimIndent/trimMargin

Reflection

• KT-9952 Improve toString() for lambdas and function expressions when kotlin-reflect.jar is available
• KT-11433 Fix multiple resource leaks by closing InputStream instances
• KT-8131 Fix exception from calling KProperty.javaField on a subclass
• KT-10690 Support javaMethod and kotlinFunction for top level functions in a different file
• KT-11447 Support reflection calls to multifile class members
• KT-10892 Load annotations of const properties from multifile classes
• KT-11258 Don't crash on requesting members of Java collection classes
• KT-11502 Clarify KClass equality

JS

• KT-4124 Support nested classes
• KT-7819 Support non-local returns in local lambdas
• KT-6912 Safe calls (x?.let { it }) are now inlined
• KT-10614 Copy array on vararg call with spread operator
• KT-10785 Correctly translate property names and receiver instances in assignment operations
• KT-10667 Support inheritance from nested built-in types such as Map.Entry
• KT-7480 Remove declarations of LinkedList, SortedSet, TreeSet, Enumeration
• KT-3064 Implement CharSequence.repeat

IDE

New features:

• Spring Support
  • KT-11098 Inspection on final classes/functions annotated with Spring @Configuration/@Component/@Bean
  • KT-11405 Navigation and Find Usages for Spring beans referenced in annotation arguments and BeanFactory method calls
  • KT-3741 Show Spring-specific line markers on Kotlin classes
  • KT-11406 Support Spring EL injections inside of Kotlin string literals
  • KT-11604 Support "Configure Spring facet" inspection on Kotlin classes
  • KT-11407 Implement "Generate Spring Dependency..." actions
  • KT-11408 Implement "Generate @Autowired Dependency..." action
  • KT-11652 Rename bean attributes mentioned in Spring XML config together with corresponding Kotlin declarations
• Enable precise incremental compilation by default in non-Maven/Gradle projects
• KT-11612 Highlight named arguments
• KT-7715 Highlight vars that can be replaced by vals
• KT-5208 Intention action to convert string to raw string and back
• KT-11078 Quick fix to remove .java when KClass is expected
• KT-1494 Inspection to highlight public members with no documentation
• KT-8473 Intention action to implement interface or abstract class
• KT-10299 Inspection to warn on array properties in data classes
• KT-6674 Inspection to warn on protected symbols in effectively final classes
• KT-11576 Quick fix to suppress "Unused symbol" warning based on annotations on the declaration
• KT-10063 Quick fix for adding arrayOf wrapper for annotation parameters
• KT-10476 Quick fix for converting primitive types
• KT-10859 Quick fix to make var with private setter final
• KT-9498 Quick fix to specify property type
• KT-10509 Quick fix to simplify condition with senseless comparison
• KT-11404 Quick fix to let type implement missing interface
• KT-6785, KT-10013, KT-9996, KT-11675 Support Smart Enter for trailing lambda argument, try/catch/finally, property setter, init block
• Add kotlinClassName() and kotlinFunctionName() macros for use in live templates
• Auto-configure EAP-repository during Kotlin Maven and Gradle project set up

Issues fixed:

• KT-11678, KT-4768 Support navigation to Kotlin libraries from Java sources
• KT-9401 Support Change Signature quick fix for Java -> Kotlin case
• KT-8592 Fix "Choose sources" for Kotlin files
• KT-11256 Fix Navigate to declaration for Java constructor with @NotNull parameter
• KT-11018 Fix vars shown in Ctrl + Mouse Hover as vals
• KT-5105, KT-11024 Improve incompatible ABI versions editor strap, show the hint on how to resolve the problem
• KT-11638 Fixed hashCode() implementation in "Generate equals/hashCode" action
• KT-10971 Pull Members Up: Always insert spaces between keywords
• KT-11476, KT-4175, KT-10965, KT-11076 Formatter: fix multiple issues regarding space handling
• KT-9025 Improve "Create Kotlin Java runtime library" dialog usability
• KT-11481 Fix "Add import" intention not being available for is branches in when
• KT-10619 Fix completion after package name in annotation
• KT-10621 Do not show non-top level packages after @ in completion
• KT-11295 "Convert string to template" intention: fix exception on certain code
• KT-10750, KT-11424 "Convert if to when" intention now detects effectively else branches in subsequent code and performs more accurate comment handling
• Configure Kotlin: show only changed files in the notification "Kotlin not configured", restore all changed files in undo action
• KT-11593 Fix "Configure Kotlin" action for Gradle projects in IDEA 2016
• KT-11077 Use new built-in definition file format (.kotlin_builtins files)
• KT-5728 Remove closing curly brace in a string template when opening one is deleted
• KT-10883 "Explicit get or set call" quick fix: do not move caret too far away
• KT-5717 "Replace 'when' with 'if'": do not lose comments
• KT-10797 "Replace with operator" intention is not available anymore for non-operator functions
• KT-11529 Highlighting range for unresolved annotation name does not include @ now
• KT-11178 Don't show "Change type arguments" fix when there's nothing to change
• KT-11789 Don't interpret annotations inside Markdown code blocks as KDoc tags
• KT-11702 Fixed resolution of Kotlin beans with custom name
• KT-11689 Fixed exception on attempt to navigate to Kotlin file from Spring notification balloon
• KT-11725 Fixed renaming of injected SpEL references
• KT-11720 Fixed renaming of Kotlin beans through SpEL references
• KT-11719 Fixed renaming of Kotlin parameters references in XML files
• Fix several issues leading to exceptions: KT-11579, KT-11580, KT-11777
• Fixed NoSuchFieldException in Kotlin module settings on IDEA Ultimate
• KT-11868 Fixed exception on search of functions/constructors with default parameters

Debugger

• KT-11705 "Smart step into" no longer skips methods from subclasses
• Debugger can now distinguish nested inline arguments
• KT-11326 Support private classes in Evaluate Expression
• KT-11455 Fix Evaluate Expression behavior for files with errors in sources
• KT-10670 Fix Evaluate Expression behavior for inline functions with default parameters
• KT-11380 Evaluate Expression now handles smart casts correctly
• KT-10148 Do not suggest methods from outer context in "Smart step into"
• Fix Evaluate Expression for expression created for array element
• Complete private members from libraries in Evaluate Expression
• KT-11578 Evaluate Expression: do not highlight completion variants from nullable receiver with grey
• KT-6805 Convert Java expression to Kotlin when opening Evaluate Expression from Variables view
• Show error message when debug info for some local variable is corrupted
• Avoid 1s delay in completion in debugger fields if session is not stopped on a breakpoint

Java to Kotlin converter

• Protected members used outside of inheritors are converted as public
• Support conversion for annotation constructor calls
• Place comments from the middle of the call to the end
• Drop line breaks between operator arguments (except +, -, && and ||)
• Add non-null assertions on call site for non-null parameters
• Specify type for variables with anonymous type if they have write accesses
• KT-11587 Fix conversion of static field accesses from other Java class
• KT-6800 Quote $ symbols in converted strings
• KT-11126 Convert annotations in annotations parameters correctly
• KT-11600 Do not produce unresolved toArray calls for Java Collection#toArray(T[])
• KT-11544 Fix conversion of uninitialized non-final field

Android

• KT-7729 Add Android Lint checks for Kotlin (from Android Studio 1.5)
• KT-11487 Fixed sequential build with kapt and stubs enabled when Kotlin source file was modified and no Java source files were modified
• KT-11264 Action to create new activity in Kotlin
• KT-11201 Do not ignore items with similar names in kapt
• KT-7729 Add Android Lint checks for Kotlin (Android Studio 1.5)

Maven

• KT-2917, KT-11261 Maven archetype for new Kotlin projects

Gradle

• KT-8487 Experimental support for incremental compilation with project property kotlin.incremental
• KT-11350 Fixed a bug causing Java rebuild when both Java and Kotlin are up-to-date

1.0.1-2

Compiler

• KT-11584, KT-11514 Correct comparison of Long! / Double! with integer constant
• KT-11590 SAM adapter for inline function corrected

1.0.1-1

Compiler

• KT-11468 More correct use-site / declaration-site variance combination handling
• KT-11478 "Couldn't inline method call" internal compiler error fixed

1.0.1

Compiler

Analysis & diagnostics issues fixed:

• KT-2277 Local function declarations are now checked for overload conflicts
• KT-3602 Special diagnostic is reported now on nullable ‘for’ range
• KT-10775 No compilation exception for empty when
• KT-10952 False deprecation warnings removed
• KT-10934 Type inference improved for whens
• KT-10902 Redeclaration is reported for top-level property vs classifier conflict
• KT-9985 Correct handling of safe call arguments in generic functions
• KT-10856 Diagnostic about projected out member is reported correctly on calls with smart cast receiver
• KT-5190 Calls of Java 8 Stream.collect
• KT-11109 Warning is reported on Strictfp annotation on a class because it's not supported yet
• KT-10686 Support generic constructors defined in Java
• KT-6958 Fixed resolution for overloaded functions with extension lambdas
• KT-10765 Correct handling of overload conflict between constructor and function in JPS
• KT-10752 If inferred type for an expression refers to a non-accessible Java class, it's a compiler error to prevent IAE in runtime
• KT-7415 Approximation of captured types in signatures
• KT-10913, KT-10186, KT-5198 False “unreachable code” fixed for various situations
• Minor: KT-3680, KT-9702, KT-8776, KT-6745, KT-10919, KT-9548

JVM code generation issues fixed:

• KT-11153 NoClassDefFoundError is fixed on primitive iterators during boxing optimization
• KT-7319 Correct parameter names for @JvmOverloads-generated methods
• KT-10425 Non-const values of member properties are not inlined now
• KT-11163 Correct calls of custom compareTo on primitives
• KT-11081 Reified type parameters are correctly stored in anonymous objects
• KT-11121 Generic properties generation is fixed for interfaces
• KT-11285, KT-10958 Special bridge generation refined
• KT-10313, KT-11190, KT-11192, KT-11130 Diagnostics and bytecode fixed for various operations with Long
• KT-11203, KT-11191, KT-11206, KT-8505, KT-11203 Handling of increment / decrement for collection elements with user-defined get / set fixed
• KT-9739 Backticked names with spaces are generated correctly

JS translator issues fixed:

• KT-7683, KT-11027 correct handling of in / !in inside when expressions

Standard library

• KT-10579 Improved performance of sum() and average() for arrays
• KT-10821 Improved performance of drop() / take() for sequences

Reflection

• KT-10840 Fix annotations on Java elements in reflection

IDE

New features:

• Compatibility with IDEA 2016
• Kotlin Education Plugin (for IDEA 2016)
• KT-9752 More usable file chooser for "Move declaration to another file"
• KT-9697 Move method to companion object and back
• KT-7443 Inspection + intention to replace assert (x != null) with "!!" or elvis

General issues fixed:

• KT-11277 Correct moving of Java classes from project view
• KT-11256 Navigate Declaration fixed for Java classes with @NotNull parameter in constructor
• KT-10553 A warning provided when Refactor / Move result is not compilable due to visibility problems
• KT-11039 Parameter names are now not missing in parameter info and completion for compiled java code used from kotlin
• KT-10204 Highlight usages in file is working now for function parameter
• KT-10954 Introduce Parameter (Ctrl+Alt+P) fixed when default value is a simple name reference
• KT-10776 Intentions: "Convert to lambda expression" works now for empty function body
• KT-10815 Generate equals() and hashCode() is no more suggested for interfaces
• KT-10818 "Initialize with constructor parameter" fixed
• KT-8876 "Convert member to extension" now removes modality modifiers (open / final)
• KT-10800 Create enum entry now adds comma after a new entry
• KT-10552 Pull Members Up now takes visibility conflicts into account
• KT-10978 Partially fixed, completion for JOOQ became ~ 10 times faster
• KT-10940 Reference search optimized for convention functions
• KT-9026 Editor no more locks up during scala file viewing
• KT-11142, KT-11276 Darkula scheme appearance corrected for Kotlin
• Minor: KT-10778, KT-10763, KT-10908, KT-10345, KT-10696, KT-11041, KT-9434, KT-8744, KT-9738, KT-10912

Configuration issues fixed:

• KT-11213 Kotlin plugin version corrected in build.gradle
• KT-10918 "Update Kotlin runtime" action does not try to update the runtime coming in from Gradle
• KT-11072 Libraries in maven, gradle and ide systems are never more detected as runtime libraries
• KT-10489 Configuration messages are aggregated into one notification
• KT-10831 Configure Kotlin in Project: "All modules containing Kotlin files" does not list modules not containing Kotlin files
• KT-10366 Gradle import: no fake "Configure Kotlin" notification on project creating

Debugger issues fixed:

• KT-10827 Fixed debugger stepping for inline calls
• KT-10780 Breakpoints in a lazy property work correctly
• KT-10634 Watches can now use private overloaded functions
• KT-10611 Line breakpoints now can be created inside lambda in init block
• KT-10673 Breakpoints inside lambda are no more ignored in presence of crossinline function parameter
• KT-11318 Stepping inside for each is optimized
• KT-3873 Editing code while standing on breakpoint is optimized
• KT-7261, KT-7266, KT-10672 Evaluate expression applicability corrected

Tools

• KT-7943, KT-10127 Overhead removed in Kotlin Gradle Plugin
• KT-11351 Fixed NoSuchMethodError with Gradle 2.12