Kotlin 1.1-Beta2

Language related changes

• KT-7897 Do not require to call enum constructor for each entry if all parameters have default values
• KT-8985 Support T::class.java for T with no non-null upper bound
• KT-10711 Type inference works now on generics for callable references
• KT-13130 Support exhaustive when for sealed trees
• KT-15898 Cannot use type alias to qualify enum entry
• KT-16061 Smart type inference on callable references in 1.1 mode only

Reflection

• KT-8384 Access to the delegate object for a KProperty

Compiler

Coroutine support

• KT-15016 VerifyError with coroutine: fix processing of uninitialized instances
• KT-15527 Coroutine compile error: wrong code generated for safe qualified suspension points
• KT-15552 Accessor implementation of suspended function produces AbstractMethodError
• KT-15715 Coroutine generate invalid invoke
• KT-15820 Coroutine Internal Error regression with dispatcher + this@
• KT-15821 Coroutine internal error regression: Could not inline method call apply
• KT-15824 Coroutine iterator regression: Object cannot be cast to java.lang.Boolean
• KT-15827 Show Kotlin Bytecode shows wrong bytecode for suspending functions
• KT-15907 Bogus error about platform declaration clash with private suspend functions
• KT-15933 Suspend getValue/setValue/provideDelegate do not work properly
• KT-15935 Private suspend function in file causes UnsupportedOperationException: Context does not have a "this"
• KT-15963 Coroutine: runtime error if returned object "equals" does not like comparison to SUSPENDED_MARKER
• KT-16068 Prohibit inline lambda parameters of suspend function type

Diagnostics

• KT-1560 Report diagnostic for a declaration of extension function which will be always shadowed by member function
• KT-12846 Forbid vararg of Nothing
• KT-13227 NO_ELSE_IN_WHEN in when by sealed class instance if is-check for base sealed class is used
• KT-13355 Type mismatch on inheritance is not reported on abstract class
• KT-15010 Missing error on an usage of non-constant property in annotation default argument
• KT-15201 Compiler is complaining about when statement without null condition even if null is checked before.
• KT-15736 Report an error on type alias expanded to a nullable type on LHS of a class literal
• KT-15740 Report error on expression of a nullable type on LHS of a class literal
• KT-15844 Do not allow to access primary constructor parameters from property with custom getter
• KT-15878 Extension shadowed by member should not be reported for infix/operator extensions when member is non-infix/operator
• KT-16010 Do not highlight lambda parameters as unused in 1.0 compatibility mode

Kapt

• KT-15675 Kapt3 does not generate classes annotated with AutoValue
• KT-15697 If an annotation with AnnotationTarget.PROPERTY is tagged on a Kotlin property, it breaks annotation processing
• KT-15803 Kotlin 1.0.6 broke Dagger
• KT-15814 Regression: Kapt is not working in 1.0.6 / 1.1-M04 / 1.1-Beta
• KT-15838 kapt3 1.1-beta: KaptError: Java file parsing error
• KT-15841 1.1-Beta + kapt3 fails to build the project with StackOverflowError
• KT-15915 Kapt: Kotlin class target directory is cleared before compilation (and after kapt task)
• KT-16006 Cannot determine if type is an error type during annotation processing

Exceptions / Errors

• KT-8264 Internal compiler error: java.lang.ArithmeticException: BigInteger: modulus not positive
• KT-14547 NoSuchElementException when compiling callable reference without stdlib in the classpath
• KT-14966 Regression: VerifyError on access super implementation from delegate
• KT-15017 Throwing exception in the end of inline suspend-functions lead to internal compiler error
• KT-15439 Resolved call is not completed for generic callable reference in if-expression
• KT-15500 Exception passing freeCompilerArgs to gradle plugin
• KT-15646 InconsistentDebugInfoException when stepping over throw
• KT-15726 Kotlin compiles invalid bytecode for nested try-catch with return
• KT-15743 Overloaded Kotlin extensions annotates wrong parameters in java
• KT-15868 NPE when comparing nullable doubles for equality
• KT-15995 Can't build project with DataBinding using Kotlin 1.1: incompatible language version
• KT-16047 Internal Error: org.jetbrains.kotlin.util.KotlinFrontEndException while analyzing expression

Type inference issues

• KT-10268 Wrong type inference related to captured types
• KT-11259 Wrong type inference for Java 8 Stream.collect.
• KT-12802 Type inference failed when irrelevant method reference is used
• KT-12964 Support type inference for callable references from parameter types of an expected function type

Smart cast issues

• KT-13468 Smart cast is broken after assignment of 'if' expression
• KT-14350 Make smart-cast work as it does in 1.0 when -language-version 1.0 is used
• KT-14597 When over smartcast enum is broken and breaks all other "when"
• KT-15792 Wrong smart cast after y = x, x = null, y != null sequence

Various issues

• KT-15236 False positive: Null can not be a value of a non-null type
• KT-15677 Modifiers and annotations are lost on a (nullable) parenthesized type
• KT-15707 IDEA unable to parallel compile different projects
• KT-15734 Nullability is lost during expansion of a type alias
• KT-15748 Type alias constructor return type should have a corresponding abbreviation
• KT-15775 Annotations are lost on value parameter types of a function type
• KT-15780 Treat Map.getOrDefault overrides in Java the same way as in 1.0.x compiler with language version 1.0
• KT-15794 Refine backward compatibility mode for additional built-ins members from JDK
• KT-15848 Implement additional annotation processing in the KotlinScriptDefinitionFromAnnotatedTemplate for SamWithReceiver plugin
• KT-15875 Operation has lead to overflow for 'mod' with negative first operand
• KT-15945 Feature Request: Andrey Breslav to grow a beard.

JavaScript backend

Coroutine support

• KT-15834 JS: Local delegate in suspend function
• KT-15892 JS: safe call of suspend functions causes compiler to crash

Diagnostics

• KT-14668 Do not allow declarations in 'kotlin' package or subpackages in JS
• KT-15184 JS: prohibit .. operation with dynamic on left-hand side
• KT-15253 JS: no error when use class external class with JsModule in type context when compiling with plain module kind
• KT-15283 JS: additional restrictions on dynamic
• KT-15961 Could not implement external open class with function with optional parameter

Language feature support

• KT-14035 JS: support implementing CharSequence
• KT-14036 JS: use Int16 for Char when it possible and box to our Char otherwise
• KT-14097 Wrong code generated for enum entry initialization using non-primary no-argument constructor
• KT-15312 JS: map kotlin.Throwable to JS Error
• KT-15765 JS: support callable references on built-in and intrinsic functions and properties
• KT-15900 JS: Support enum entry with empty initializer with vararg constructor

Standard library support

• KT-4141 JS: wrong return type for Date::getTime
• KT-4497 JS: add String.toInt, String.toDouble etc extension functions, parseInt and parseFloat are deprecated in favor of these new ones
• KT-15940 JS: rename all js standard library artifacts (both in maven and in compiler distribution) to kotlin-stdlib-js.jar
• Add Promise<T> external declaration to the standard library
• Types like Date, Math, Console, Promise, RegExp, Json require explicit import from kotlin.js package

External declarations

• KT-15144 JS: rename noImpl to definedExternally
• KT-15306 JS: allow to use definedExternally only inside a body of external declarations
• KT-15336 JS: allow to inherit external classes from kotlin.Throwable
• KT-15905 JS: add a way to control qualifier for external declarations inside file
• Deprecate @native annotation, to be removed in 1.1 release.

Exceptions / Errors

• KT-10894 Infinite indexing at projects with JS modules
• KT-14124 AssertionError: strings file not found on K2JS serialized data

Various issues

• KT-8211 JS: generate dummy init for properties w/o initializer to avoid to have different hidden classes for different instances
• KT-12712 JS: Json should not be a class
• KT-13312 JS: can't use extension lambda where expected lambda and vice versa
• KT-13632 Add template kotlin js project under gradle in "New Project" window
• KT-15278 JS: don't treat property access through dynamic as side effect free
• KT-15285 JS: take into account as many characteristics from the signature as possible when mangling
• KT-15678 JS: Generated local variable named 'element' clashes with actual local variable named 'element'
• KT-15755 JS compiler produces a lot of empty kotlin_file_table files for irrelevant packages
• KT-15770 Name clash between recursive local functions with same name
• KT-15797 JS: wrong code for accessing nested class inside js module
• KT-15863 JS: Extension function reference shifts parameters loosing the receiver
• KT-16049 JS: drop "-kjsm" command line option, merge the logic into "-meta-info"
• KT-16083 JS: rename "-library-files" argument to "-libraries" and change separator from comma to system file separator

Standard Library

• KT-13353 Add Map.minus(key) and Map.minus(keys)
• KT-13826 Add parameter names in function types used in the standard library
• KT-14279 Make String.matches(Regex) and Regex.matches(String) infix
• KT-15399 Iterable.average() now returns NaN for an empty collection
• KT-15975 Move coroutine-related runtime parts to kotlin.coroutines.experimental package
• KT-16030 Move bitwise operations on Byte and Short to kotlin.experimental package
• KT-16026 Classes compiled in 1.1 in 1.0-compatibility mode may contain references to CloseableKt class from 1.1

IDE

Configuration issues

• KT-15621 Copy compiler options values from project settings on creating a kotlin facet for Kotlin (JVM) project
• KT-15623 Copy compiler options values from project settings on creating a kotlin facet for Kotlin (JavaScript) project
• KT-15624 Set option "Use project settings" in newly created Kotlin facet
• KT-15712 Configuring a project with Maven or Gradle should automatically use stdlib-jre7 or stdlib-jre8 instead of standard stdlib
• KT-15772 Facet does not pick up api version from maven
• KT-15819 It would be nice if compileKotlin options are imported into Kotlin facet from gradle/maven
• KT-16015 Prohibit api-version > language-version in Facet and Project Settings

Coroutine support

• KT-14704 Extract Method should work in coroutines
• KT-15955 Quick-fix to enable coroutines through Gradle project configuration
• KT-16018 Hide coroutines intrinsics from import and completion
• KT-16075 Error:Kotlin: The -Xcoroutines can only have one value

Backward compatibility issues

• KT-15134 Do not suggest using destructuring lambda if this will result in "available since 1.1" error
• KT-15918 Quick fix "Set module language level to 1.1" should also set API version to 1.1
• KT-15969 Replace operator with function should use either rem or mod for % depending on language version
• KT-15978 Type alias from Kotlin 1.1 are suggested in completion even if language level is set to 1.0 in settings
• KT-15979 Usages of type aliases are not shown as errors in editor if language version is set to 1.0
• KT-16019 Do not suggest renaming to underscore in 1.0 compatibility mode
• KT-16036 "Create type alias from usage" quick-fix should not be suggested at language level 1.0

Intention actions, inspections and quick-fixes

New features

• KT-9912 Merge ifs intention
• KT-13427 "Specify type explicitly" should support type aliases
• KT-15066 "Make private/.." intention on type aliases
• KT-15709 Add inspection for private primary constructors in data classes as they are accessible via the copy method
• KT-15738 Intention to add suspend modifier to functional type
• KT-15800 Quick-fix to convert a function to suspending on error when calling suspension inside

Bug fixes

• KT-13710 Import intention action should not appear in import list
• KT-14680 import statement to type alias reported as unused when using only TA constructor
• KT-14856 TextView internationalisation intention does not report the problem
• KT-14993 Keep destructuring declaration parameter on inspection "Remove explicit lambda parameter types"
• KT-14994 PsiInvalidElementAccessException and incorrect generation on inspection "Specify type explicitly" on destructuring parameter
• KT-15162 "Remove explicit lambda parameter types" intentions fails with destructuring declaration with KNPE at KtPsiFactory.createLambdaParameterList()
• KT-15311 "Add Import" intention generates incorrect code
• KT-15406 Convert to secondary constructor for enum class should put new members after enum values
• KT-15553 Copy concatenation text to clipboard with Kotlin and string interpolation does not work
• KT-15670 'Convert to lambda' quick fix in IDEA leaves single-line comment and } gets commented out
• KT-15873 Alt+Enter menu isn't shown for deprecated mod function
• KT-15874 Replace operator with function call replaces % with deprecated mod
• KT-15884 False positive "Redundant .let call"
• KT-16072 Intentions to convert suspend lambdas to callable references should not be shown

Android support

• KT-13275 Kotlin Gradle plugin for Android does not work when jackOptions enabled
• KT-15150 Android: Add quick-fix to generate View constructor convention
• KT-15282 Issues debugging crossinline Android code

KDoc

• KT-14710 Sample references are not resolved in IDE
• KT-15796 Import of class referenced only in KDoc not preserved after copy-paste

Various issues

• KT-9011 Shift+Enter should insert curly braces when invoked after class declaration
• KT-11308 Hide kotlin.jvm.internal package contents from completion and auto-import
• KT-14252 Completion could suggest constructors available via type aliases
• KT-14722 Completion list isn't filled up for type alias to object
• KT-14767 Type alias to annotation class should appear in the completion list
• KT-14859 "Parameter Info" sometimes does not work properly inside lambda
• KT-15032 Injected fragment: descriptor was not found for declaration: FUN
• KT-15153 Support typeAlias extensions in completion and add import
• KT-15786 NoSuchMethodError: com.intellij.util.containers.UtilKt.isNullOrEmpty
• KT-15883 Generating equals() and hashCode(): hashCode does not correctly honor variable names with back ticks
• KT-15911 Kotlin REPL will not launch: "Neither main class nor JAR path is specified"

J2K

• KT-15789 Kotlin plugin incorrectly converts for-loops from Java to Kotlin

Gradle support

• KT-14830 Kotlin Gradle plugin configuration should not add 'kotlin' source directory by default
• KT-15279 'Kotlin not configured message' should not be displayed while gradle sync is in progress
• KT-15812 Create Kotlin facet on importing gradle project with unchecked option Create separate module per source set
• KT-15837 Gradle compiler attempts to connect to daemon on address derived from DNS lookup
• KT-15909 Copy Gradle compiler options to facets in Intellij/AS
• KT-15929 Gradle project imported with wrong 'target platform'

Other issues

• KT-15450 JSR 223 - support eval with bindings