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TinyGo v0.6.0 Release Notes

Release Date: 2019-05-29 // almost 5 years ago

  • 🔖 Version 0.6.0 again has many improvements. Big changes are much better CGo support, support for js.FuncOf (Go 1.12+), and support for two new boards: the Adafruit Feather M0 and the Adafruit Trinket M0. Other than that, there were lots of smaller improvements and bug fixes.

    0.6.0

    • 💻 command line
      • some portability improvements
      • make $GOROOT more robust and configurable
      • check for Clang at the Homebrew install location as fallback
    • compiler driver
      • support multiple variations of LLVM commands, for non-Debian distributions
    • compiler
      • improve code quality in multiple ways
      • make panic configurable, adding trap on panic
      • refactor many internal parts of the compiler
      • print all errors encountered during compilation
      • implement calling function values of a named type
      • implement returning values from blocking functions
      • allow larger-than-int values to be sent across a channel
      • implement complex arithmetic
      • improve hashmap support
      • add debuginfo for function arguments
      • insert nil checks on stores (increasing code size)
      • implement volatile operations as compiler builtins
      • add //go:inline pragma
      • add build tags for the Go stdlib version

    • cgo

      • implement char, enum and void* types
      • support #include for builtin headers
      • improve typedef/struct/enum support
      • only include symbols that are necessary, for broader support
      • mark external function args as nocapture
      • implement support for some #define constants
      • implement support for multiple CGo files in a single package

    • standard library

      • machine: remove microbit matrix (moved to drivers repository)
      • machine: refactor pins to use Pin type instead of GPIO
      • runtime: print more interface types on panic, including error

    • targets

      • arm: print an error on HardFault (including stack overflows)
      • atsamd21: fix a bug in the ADC peripheral
      • atsamd21: add support for I2S
      • feather-m0: add support for this board
      • nrf51: fix a bug in I2C
      • stm32f103xx: fix a bug in I2C
      • syscall: implement Exit on unix
      • trinket-m0: add support for this board
      • wasm: make main example smaller
      • wasm: don't cache wasm file in the server, for ease of debugging
      • wasm: work around bug #41508 that caused a deadlock while linking
      • wasm: add support for js.FuncOf