v0.7

• 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)
• Static library generation