bytecodealliance/wasmtime v15.0.0

on GitHub

15.0.0

Released 2023-11-20.

Added

• Multiple versions of interfaces are now supported in bindgen!.
  #7172

• UDP has been implemented in wasi:sockets.
  #7148
  #7243

• Support for custom stack memory allocation has been added.
  #7209

• The memory_init_cow setting can now be configured in the C API.
  #7227

• The splice method of WASI streams has been implemented.
  #7234

• Wasmtime binary releases now have a wasmtime-min executable in addition to
  libwasmtime-min.* libraries for the C API. These showcase a minimal
  build of Wasmtime for comparison.
  #7282
  #7315
  #7350

Changed

• Many changes to wasi:http WITs have happened to keep up with the proposal as
  it prepares to reach a more stable status.
  #7161
  #7406
  #7383
  #7417
  #7451

• Add an error resource to WASI streams.
  #7152

• Syntax in bindgen!'s trappable_error_type configuration has changed.
  #7170

• TCP errors in wasi:sockets have been simplified and clarified.
  #7120

• Wasmtime/Cranelift now require Rust 1.71.0 to compile.
  #7206

• Logging in Wasmtime is now configured with WASMTIME_LOG instead of
  RUST_LOG.
  #7239

• Fuel-related APIs on Store have been refactored and reimplemented with two
  new methods set_fuel and reset_fuel. Previous methods have been removed.
  #7240
  #7298

• The forward method of WASI streams has been removed.
  #7234

• The WebAssembly threads, multi-memory, and relaxed-simd proposals are
  now enabled by default.
  #7285

• Logging is now implemented for wasmtime serve.
  #7366

• Filesystem locking has been temporarily removed from WASI.
  #7355

• Wasmtime's implementation of WASI preview1 built on top of preview2
  (-Spreview2) has been enabled by default.
  #7365

• The wasi:clocks interface now has two subscribe functions and a duration
  type.
  #7358

• The wasi:io/poll interface has seen some refactoring.
  #7427

Fixed

• Profiling the first function in a module now works.
  #7254

• Consecutive writes to files in preview2 have been fixed.
  #7394

• Copy-on-write initialization of linear memories has been fixed for components.
  #7459

Cranelift

• Support for proof-carrying code has been added to Cranelift to assist with an
  extra layer of validation about properties such as WebAssembly memory accesses
  in the future.
  #7165
  #7180
  #7219
  #7231
  #7262
  #7263
  #7274
  #7280
  #7281
  #7352
  #7389
  #7468

• Rematerialization of values no longer accidentally overrides LICM.
  #7306

• Inline stack probes no longer make Valgrind unhappy.
  #7470