bytecodealliance/wasmtime v27.0.0

on GitHub

27.0.0

Released 2024-11-20.

Added

• Support for the Wasm GC proposal is now complete. A new "null" GC has been
  also added which does not ever collect garbage.
  #9389
  #9392
  #9401
  #9435
  #9437
  #9438
  #9446
  #9448
  #9454
  #9455
  #9484

• Unstable WIT APIs now have feature gates configured at link-time and new
  -Scli-exit-with-code / -Snetwork-error-code options are available as well.
  #9381
  #9276

• Initial support for the wide-arithmetic proposal has been implemented.
  #9403
  #9500

• Guests on s390x now implement the "inline probestacks" for Cranelift to more
  robustly detect stack overflows.
  #9423

• Missing CLI options for the pooling allocator have been filled out.
  #9447

• Cranelift now supports 128-bit atomics on x64.
  #9459

• A new Cargo feature has been added to the wasmtime crate to reexport the
  wasmparser dependency.
  #9485

• Support for a new PyTorch backend for wasi-nn has been added.
  #9234

• A new -Cnative-unwind-info flag has been added to the wasmtime CLI.
  #9494

• Initial support for illumos has been added.
  #9535

• A new Caller::get_module_export API has been added.
  #9525

• Basic debug logging has been added to the debug info transformatino.
  #9526

Changed

• The WASI WITs vendored are now updated to 0.2.2.
  #9395

• The wasmtime-wasi-runtime-config is now named wasmtime-wasi-config.
  #9404

• Documentation on the implementation status of WebAssembly proposals has been
  updated.
  #9434

• Wasmtime's WASI documentation has been overhauled.
  #9471

• The wasi_config_preopen_dir in Wasmtime's C API now takes file/directory
  permissions.
  #9477

• Detection of libunwind vs libgcc is now done with weak symbols.
  #9479

• Winch has improved detection of unsupported features in a Config.
  #9490

• Winch now supports fuel-based interruption.
  #9472

• Wasmtime's minimum supported Rust version is now 1.80.
  #9496

• ISLE no longer supports scheme-style booleans.
  #9522

• ISLE now supports block comments.
  #9529

• Support for shared memory in the C API has been added.
  #9507

• Configuration options for guard size regions have been merged into a single
  option.
  #9528

Fixed

• Double-registration of debug information for modules in components has been
  fixed.
  #9470

• A panic on AArch64 for vector constants has been fixed.
  #9482

• A miscompile with sdiv and INT_MIN / -1 has been fixed on aarch64.
  #9541