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@aykevl aykevl released this 20 Aug 12:52
· 83 commits to release since this release
v0.33.0
ef4f46f

This is an important release. No new boards, but we make up for that by adding a bunch of other big stuff!

Some of the highlights:

  • Go 1.23 support (including the new range-over-func language feature)
  • WASI preview 2 support
  • MIPS little endian support (big endian support is still experimental), so you can use GOARCH=mipsle
  • softfloat support for ARM and MIPS
  • improved error messages

For a full list of changes, see the list below.

  • general
    • use latest version of x/tools
    • add chromeos 9p support for flashing
    • sort compiler error messages by source position in a package
    • don't include prebuilt libraries in the release to simplify packaging and reduce the release tarball size
    • show runtime panic addresses for tinygo run
    • support Go 1.23 (including all new language features)
    • test: support GOOS/GOARCH pairs in the -target flag
    • test: remove message after test binary built
  • compiler
    • remove unused registers for x86_64 linux syscalls
    • remove old atomics workaround for AVR (not necessary in modern LLVM versions)
    • support golang.org/x/sys/unix syscalls
    • builder: remove workaround for generics race condition
    • builder: add package ID to compiler and optimization error messages
    • builder: show better error messages for some common linker errors
    • cgo: support preprocessor macros passed on the command line
    • cgo: use absolute paths for error messages
    • cgo: add support for printf
    • loader: handle go list errors inside TinyGo (for better error messages)
    • transform: fix incorrect alignment of heap-to-stack transform
    • transform: use thinlto-pre-link passes (instead of the full pipeline) to speed up compilation speed slightly
  • standard library
    • crypto/tls: add CipherSuiteName and some extra fields to ConnectionState
    • internal/abi: implement initial version of this package
    • machine: use new internal/binary package
    • machine: rewrite Reply() to fix sending long replies in I2C Target Mode
    • machine/usb/descriptor: Reset joystick physical
    • machine/usb/descriptor: Drop second joystick hat
    • machine/usb/descriptor: Add more HID... functions
    • machine/usb/descriptor: Fix encoding of values
    • machine/usb/hid/joystick: Allow more hat switches
    • os: add Chown, Truncate
    • os/user: use stdlib version of this package
    • reflect: return correct name for the unsafe.Pointer type
    • reflect: implement Type.Overflow* functions
    • runtime: implement dummy getAuxv to satisfy golang.org/x/sys/
    • runtime: don't zero out new allocations for -gc=leaking when they are already zeroed
    • runtime: simplify slice growing/appending code
    • runtime: print a message when a fatal signal like SIGSEGV happens
    • runtime/debug: add GoVersion to debug.BuildInfo
    • sync: add Map.Clear()
    • sync/atomic: add And* and Or* compiler intrinsics needed for Go 1.23
    • syscall: add Fork and Execve
    • syscall: add all MacOS errno values
    • testing: stub out T.Deadline
    • unique: implement custom (naive) version of the unique package
  • targets
    • arm: support GOARM=*,softfloat (softfloat support for ARM v5, v6, and v7)
    • mips: add linux/mipsle (and experimental linux/mips) support
    • mips: add GOMIPS=softfloat support
    • wasip2: add WASI preview 2 support
    • wasm/js: add node: prefix in require() call of wasm_exec.js
    • wasm-unknown: make sure the os package can be imported
    • wasm-unknown: remove import-memory flag
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