bytecodealliance/wasmtime v24.0.0

on GitHub

24.0.0

Released 2024-08-20.

Added

• A new wasmtime_engine_clone function was added to the C API.
  #8907

• Wasmtime now has basic support for allocating a StructRef in the embedder
  API.
  #8933

• The wasmtime run subcommand now support a --argv0 flag indicating the
  value of the first element to arguments reported to wasm if it shouldn't be
  the default of the wasm binary name itself.
  #8961

• Support for Winch on AArch64 continued to improve.
  #8921
  #9018
  #9033
  #9051

• An initial implementation of the wasi-runtime-config proposal was added to
  Wasmtime.
  #8950
  #8970
  #8981

• Initial support for f16 and f128 in Cranelift continued to improve.
  #8893
  #9045

• More types in wasmtime-wasi-http implement the Debug trait.
  #8979

• The wasmtime explore subcommand now supports exploring CLIF too.
  #8972

• Support for SIMD in Winch has begun, but it is not complete yet.
  #8990
  #9006

• Initial work on Pulley, an interpreter for Wasmtime, has begun.
  #9008
  #9013
  #9014

• The -Wunknown-imports-trap flag to wasmtime run now supports components.
  #9021

• An initial implementation of the wasi-keyvalue proposal was added to
  Wasmtime.
  #8983
  #9032
  #9050
  #9062

• An unsafe API has been added to unload process trap handlers.
  #9022

• The s390x backend now fully supports tail calls.
  #9052

Changed

• The flags type in the component model now has a hard limit of 32-or-fewer
  flags. For more information about this transition see
  WebAssembly/component-model#370.
  #8882

• Multiple returns for functions in the component model are now gated by default
  and are planned to be removed.
  #8965

• TCP streams in WASIp2 will now immediately return StreamError::Closed when
  the TCP stream is closed or shut down.
  #8968
  #9055

• Cranelift will now perform constant propagation on some floating-point
  operations.
  #8954

• Wasmtime and Cranelift now require at least Rust 1.78.0 to compile.
  #9010

• The wasmtime::Val type now implements the Copy trait.
  #9024

• Wasmtime's wasi-nn implementation has been updated to track the upstream
  specification.
  #9056

• Names provided to trappable_imports in bindgen! are now validated to be
  used.
  #9057

• Support for multi-package *.wit files now requires a package ...; header
  at the top of the file.
  #9053