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CHANGELOG.md

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v1.3.0 (June 2019)

  • CoreLocation platform library on macOS (GH-3041)
  • Converting Unit type to Void during producing framework for Objective-C/Swift (GH-2549, GH-1271)
  • Support linux/arm64 targets (GH-1709)
  • Performance improvements of memory manager (GH-2813)
  • FreezableAtomicReference prototype (GH-2776)
  • Logging and error messages enhancements
  • Interop:
    • Support nullable String return type in reverse C interop (GH-2956)
    • Support setting custom exception hook in reverse C interop (GH-2941)
    • Experimental generics support for produced frameworks for Objective-C/Swift implemented by Kevin Galligan (GH-2850)
    • Improve support for Objective-C methods clashing with methods of Any (GH-2914)
    • Support variadic Objective-C functions (GH-2896)

v1.2.1 (Apr 2019)

  • Fix Objective-C interop with React (GH-2872)
  • Fix “not in vtable” compiler crash when generating frameworks (GH-2865)
  • Implement some optimizations (GH-2854)
  • Fix release build for 32-bit Windows (GH-2848)
  • Fix casts to type parameters with multiple bounds (GH-2888)
  • Fix “could not get descriptor uniq id for deserialized class FlagEnum” compiler crash when generating framework (GH-2874)

v1.2.0 (Apr 2019)

  • New intermediate representation based library format allowing global optimizations
  • Exception backtraces in debug mode on macOS and iOS targets contains symbolic information
  • Support for 32-bit Windows targets (target mingw_x86)
  • Support for cross-compilation to Linux (x86-64 and arm32) from macOS and Windows hosts
  • Static Apple frameworks can be produced
  • Support Gradle 5.1
  • Fix alignment-related issues on ARM32 and MIPS platforms
  • Write unhandled exceptions stacktrace on device to iOS crash log
  • Fix undefined behavior in some arithmetic operations
  • Interop:
    • Get rid of libffi dependency
    • Support returning struct from C callbacks
    • Support passing Kotlin strings to C interop functions accepting UTF-32 arguments
    • Fix bool conversion
    • Support variable length arrays
    • Provide Kotlin access to C compiler intrinsics via platform.builtins package
    • Support clang modules (for Objective-C only)
    • Experimental integration with CocoaPods
  • IDE
    • Kotlin/Native plugin is supported in CLion 2018.3 and AppCode/CLion 2019.1
    • Basic highlighting support for .def files
    • Navigation to source files from exception backtrace

v1.1.0 (Dec 2018)

  • Performance optimizations:
    • runtime: optimization of queue of finalization
    • compiler: loop generation optimization
    • compiler: reduce RTTI size
    • runtime: reduce size of the object header
  • Contracts support
  • Regex engine: fix quantifier processing

v0.9.3 (Sep 2018)

  • Bugfixes

v0.9.2 (Sep 2018)

  • Support Xcode 10.0
  • iOS 9.0 is the minimal supported version for all targets
  • Swift interop improvements
  • Support shared top level values of some immutable types (i.e. String and atomic references)
  • Support release Kotlin 1.3.0

v0.9.1 (Sep 2018)

  • Improve naming in produced Objective-C frameworks. Use ‘Kotlin’ prefix instead of ‘Stdlib’ prefix.
  • Improvements in KLIB: Library versioning, IDEA-friendly internal format.

v0.9 (Sep 2018)

  • Support Kotlin 1.3M2
    • Note: Common modules of multiplatform projects also should use Kotlin 1.3
  • Major standard library (native parts) rework and rename
  • New Gradle plugin with multiplatform integration and reworked DSL
  • Support unsigned types in Kotlin and interop
  • Support non-experimental coroutines API (kotlin.coroutines)
  • Top level object var/val can only be accessed from the main thread
  • Support lazy properties in singleton objects
  • Update LLVM to 6.0.1

v0.8 (Jul 2018)

  • Singleton objects are frozen after creation, and shared between threads
  • String and primitives types are frozen by default
  • Common stdlib with Kotlin/JVM and Kotlin/JS
  • Implemented kotlin.random.* and Collection.shuffle
  • Implemented atomic integers and atomic references
  • Multiple bugfixes in compiler (coroutines, inliner)
  • Support 32-bit iOS (target ios_arm32)
  • New experimental Gradle plugin
  • Support Xcode 9.4.1
  • Optimizations (switch by enum, memory management)

v0.7.1 (Jun 2018)

  • Bugfixes in the runtime (indexOf, GC for kotlin.Array, enum equality) and the compiler
  • Fix NSBlock problem, preventing upload of binaries to the AppStore
  • Create primitive type boxes and kotlin.String as frozen by default
  • Support Gradle 4.7, provide separate run task for each executable
  • Support Xcode 9.4 and CoreML and ClassKit frameworks on Apple platforms
  • Improved runtime Kotlin variable examination
  • Minor performance optimizations in compiled code and runtime
  • Add disableDesignatedInitializerChecks definition file support

v0.7 (May 2018)

  • Interop with Objective-C/Swift changes:
    • Uniform direct and reverse interops (values could be passed in both directions now)
    • Interop by exceptions
    • Type conversion and checks (as, is) for interop types
    • Seamless interop on numbers, strings, lists, maps and sets
    • Better interop on constructors and initializers
  • Switched to Xcode 9.3 on Apple platforms
  • Introduced object freezing API, frozen object could be used from multiple threads
  • Kotlin enums are frozen by default
  • Switch to Gradle 4.6
  • Use Gradle native dependency model, allowing to use .klib as Maven artifacts
  • Introduced typed arrays API
  • Introduced weak references API
  • Activated global devirtualization analysis
  • Performance improvements (box caching, bridge inlining, others)

v0.6.2 (Mar 2018)

  • Support several expectedBy-dependencies in Gradle plugin.
  • Improved interaction between Gradle plugin and IDE.
  • Various bugfixes

v0.6.1 (Mar 2018)

  • Various bugfixes
  • Support total ordering in FP comparisons
  • Interop generates string constants from string macrodefinitions
  • STM32 blinky demo in pure Kotlin/Native
  • Top level variables initialization redesign (proper dependency order)
  • Support kotlin.math on WebAssembly targets
  • Support embedded targets on Windows hosts

v0.6 (Feb 2018)

  • Support multiplatform projects (expect/actual) in compiler and Gradle plugin
  • Support first embedded target (STM32 board)
  • Support Kotlin 1.2.20
  • Support Java 9
  • Support Gradle 4.5
  • Transparent Objective-C/Kotlin container classes interoperability
  • Produce optimized WebAssembly binaries (10x smaller than it used to be)
  • Improved APIs for object transfer between threads and workers
  • Allow exporting top level C function in reverse interop with @CName annotation
  • Supported debugging of code with inline functions
  • Multiple bugfixes and performance optimizations

v0.5 (Dec 2017)

  • Reverse interop allowing to call Kotlin/Native code compiled as framework from Objective-C/Swift programs
  • Reverse interop allowing to call Kotlin/Native code compiled as shared object from C/C++ programs
  • Support generation of shared objects and DLLs by the compiler
  • Migration to LLVM 5.0
  • Support WebAssembly target on Linux and Windows hosts
  • Make string conversions more robust
  • Support kotlin.math package
  • Refine workers and string conversion APIs

v0.4 (Nov 2017)

  • Objective-C frameworks interop for iOS and macOS targets
  • Platform API libraries for Linux, iOS, macOS and Windows
  • Kotlin 1.2 supported
  • val and function parameters can be inspected in debugger
  • Experimental support for WebAssembly (wasm32 target)
  • Linux MIPS support (little and big endian, mips and mipsel targets)
  • Gradle plugin DSL fully reworked
  • Support for unit testing annotations and automatic test runner generation
  • Final executable size reduced
  • Various interop improvements (forward declaration, better handling of unsupported types)
  • Workers object subgraph transfer checks implemented
  • Optimized low level memory management using more efficient cycle tracing algorithm

v0.3.4 (Oct 2017)

  • Intermediate release

v0.3.2 (Sep 2017)

  • Bug fixes

v0.3.1 (Aug 2017)

  • Improvements in C interop tools (function pointers, bitfields, bugfixes)
  • Improvements to Gradle plugin and dependency downloader
  • Support for immutable data linked into an executable via ImmutableDataBlob class
  • Kotlin 1.1.4 supported
  • Basic variable inspection support in the debugger
  • Some performance improvements ("for" loops, memory management)
  • .klib improvements (keep options from .def file, faster inline handling)
  • experimental workers API added (see sample)

v0.3 (Jun 2017)

  • Preliminary support for x86-64 Windows hosts and targets
  • Support for producing native activities on 32- and 64-bit Android targets
  • Extended standard library (bitsets, character classification, regular expression)
  • Preliminary support for Kotlin/Native library format (.klib)
  • Preliminary source-level debugging support (stepping only, no variable inspection)
  • Compiler switch -entry to select entry point
  • Symbolic backtrace in runtime for unstripped binaries, for all supported targets

v0.2 (May 2017)

  • Added support for coroutines
  • Fixed most stdlib incompatibilities
  • Improved memory management performance
  • Cross-module inline function support
  • Unicode support independent from installed system locales
  • Interoperability improvements
    • file-based filtering in definition file
    • stateless lambdas could be used as C callbacks
    • any Unicode string could be passed to C function
  • Very basic debugging support
  • Improve compilation and linking performance

v0.1 (Mar 2017)

Initial technical preview of Kotlin/Native