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@deadprogram deadprogram released this 25 Aug 21:16
· 429 commits to release since this release
v0.29.0
dc44988

This release adds support for Go 1.21

It also adds compatibility with the new GOOS=wasip1 using the Go built-in WASI support.

There are a number of compiler and standard library improvements, such as even better reflection, and improved map/slice implementations.

We also have a bunch of useful fixes and improvements to various microcontrollers, including new support for hardware based watchdog timers (WDT) so your embedded devices can be more reliable than ever.

Here is the full changelog:

  • general
    • Go 1.21 support
    • use https for renesas submodule #3856
    • ci: rename release-double-zipped to something more useful
    • ci: update Node.js from version 14 to version 16
    • ci: switch GH actions builds to use Go 1.21 final release
    • docker: update clang to version 15
    • docker: use Go 1.21 for Docker dev container build
    • main: add target JSON file in tinygo info output
    • main: improve detection of filesystems
    • main: use go env instead of doing all detection manually
    • make: add make task to generate Renesas device wrappers
    • make: add task to check NodeJS version before running tests
    • add submodule for Renesas SVD file mirror repo
    • update to go-serial package v1.6.0
    • testing: add Testing function
    • tools/gen-device-svd: small changes needed for Renesas MCUs
  • compiler
    • builder: update message for max supported Go version
    • compiler,reflect: NumMethods reports exported methods only
    • compiler: add compiler-rt and wasm symbols to table
    • compiler: add compiler-rt to wasm.json
    • compiler: add min and max builtin support
    • compiler: implement clear builtin for maps
    • compiler: implement clear builtin for slices
    • compiler: improve panic message when a runtime call is unavailable
    • compiler: update .ll test output
    • loader: merge go.env file which is now required starting in Go 1.21 to correctly get required packages
  • standard library
    • os: define ErrNoDeadline
    • reflect: Add FieldByNameFunc
    • reflect: add SetZero
    • reflect: fix iterating over maps with interface{} keys
    • reflect: implement Value.Grow
    • reflect: remove unecessary heap allocations
    • reflect: use .key() instead of a type assert
    • sync: add implementation from upstream Go for OnceFunc, OnceValue, and OnceValues
  • targets
    • machine: UART refactor (#3832)
    • machine/avr: pin change interrupt
    • machine/macropad_rp2040: add machine.BUTTON
    • machine/nrf: add I2C timeout
    • machine/nrf: wait for stop condition after reading from the I2C bus
    • machine/nRF52: set SPI TX/RX lengths even data is empty. Fixes #3868 (#3877)
    • machine/rp2040: add missing suffix to CMD_READ_STATUS
    • machine/rp2040: add NoPin support
    • machine/rp2040: move flash related functions into separate file from C imports for correct - LSP. Fixes #3852
    • machine/rp2040: wait for 1000 us after flash reset to avoid issues with busy USB bus
    • machine/samd51,rp2040,nrf528xx,stm32: implement watchdog
    • machine/samd51: fix i2cTimeout was decreasing due to cache activation
    • machine/usb: Add support for HID Keyboard LEDs
    • machine/usb: allow USB Endpoint settings to be changed externally
    • machine/usb: refactor endpoint configuration
    • machine/usb: remove usbDescriptorConfig
    • machine/usb/hid,joystick: fix hidreport (3) (#3802)
    • machine/usb/hid: add RxHandler interface
    • machine/usb/hid: rename Handler() to TxHandler()
    • wasi: allow zero inodes when reading directories
    • wasm: add support for GOOS=wasip1
    • wasm: fix functions exported through //export
    • wasm: remove i64 workaround, use BigInt instead
    • example: adjust time offset
    • example: simplify pininterrupt
  • boards
    • targets: add AKIZUKI DENSHI AE-RP2040
    • targets: adding new uf2 target for PCA10056 (#3765)
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