v1.4.30

• KT-43597 Xcode 12.2 support
• KT-43276 Add watchos_x64 target
• KT-44271 Incorrect linking when targeting linux_x64 from mingw_x64 host
• KT-43198 Init blocks inside of inline classes
• KT-42649 Fix secondary constructors of generic inline classes
• KT-38772 Support non-reified type parameters in typeOf
• KT-44219 Non-reified type parameters with recursive bounds are not supported yet
• KT-43599 K/N: Unbound symbols not allowed
• KT-42428 Inconsistent behavior of map.entries on Kotlin.Native
• Compiler customization
  • KT-40584 Untie Kotlin/Native from the fixed LLVM distribution
  • KT-42234 Move LLVM optimization parameters into konan.properties
  • KT-40670 Allow to override konan.properties via CLI
• Runtime
  • KT-42822 Kotlin/Native Worker leaks ObjC/Swift autorelease references (and indirectly bridged K/N references) on Darwin targets
  • KT-42397 Reverse-C interop usage of companion object reports spurious leaks
  • GH-4482 Add a switch to destroy runtime only on shutdown
  • GH-4575 Fix unchecked runtime shutdown
  • GH-4194 Fix possible race in terminate handler
  • KT-42172 Kotlin/Native: StableRef.dispose race condition on Kotlin deinitRuntime
  • KT-42482 Kotlin subclasses of Obj-C classes are incompatible with ISA swizzling (it causes crashes)
• C-interop
  • KT-42412 Modality of generated property accessors is always FINAL
  • KT-38530 values() method of enum classes is not exposed to Objective-C/Swift
  • GH-4572 Fix for interop enum and struct generation
  • KT-44083 Fix NSUInteger size for Watchos x64
• Optimizations
  • KT-42294 Significantly improved compilation time
  • KT-42942 Optimize peak backend memory by clearing BindingContext after psi2ir
  • KT-31072 Don't use non-reified arguments to specialize type operations in IR inliner

Download the binary distribution from https://github.com/JetBrains/kotlin/releases/tag/v1.4.30