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v15.0.0: Release Wasmtime 15.0.0 (#7557)
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· 655 commits to main since this release
v15.0.0
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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

Assets 22