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v26.0.0: Release Wasmtime 26.0.0 (#9489)
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@github-actions github-actions released this 22 Oct 15:23
· 201 commits to main since this release
v26.0.0
c92317b
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26.0.0

Released 2024-10-22.

Added

  • The "table64" extension of the memory64 proposals to WebAssembly has been
    implemented.
    #9206

  • Initial support has been added for compiling WebAssembly modules with Pulley,
    Wasmtime's interpreter. Note that the interpreter is not feature complete yet.
    #9240

  • Wasmtime can now execute code without relying on host-based signal handlers.
    #9230

  • Work has continued on implementing the GC proposals in Wasmtime.
    #9246
    #9244
    #9271
    #9275
    #9278
    #9282
    #9285
    #9326
    #9341
    #9358

  • Support for ARM64 Windows has been finished with support for unwinding.
    Release binaries are now also available for this platform.
    #9266
    #9283

  • The bindgen! macro now supports multiple paths to load WIT from.
    #9288

  • A new -W async-stack-size=N argument has been added to the CLI.
    #9302

  • A new wasmtime completion subcommand can be used to generate a completion
    script for the Wasmtime CLI.
    #9312

  • Components now support initialize_copy_on_write_image like core modules.
    #9357

  • Initial support for the ISLE verifier Crocus has landed.
    #9178

Changed

  • Wasmtime now requires Rust 1.79.0 to compile.
    #9202

  • The future-trailers.get in wasi-http now returns none when trailers are
    absent.
    #9208

  • The Cranelift instructions iadd_cin and isub_bin were removed. The
    isub_borrow and iadd_carry instructions were renamed to {u,s}add_carry
    and {u,s}sub_borrow.
    #9199

  • Winch now supports multi-value results on AArch64.
    #9218

  • Some issues related to shutdown have been fixed with WASI sockets.
    #9225

  • Cranelift now has a Cargo feature to enable support for all native ISAs and
    not Pulley.
    #9237

  • Cranelift support for StructArgument in the arm64, riscv64, and s390x
    backends has been removed.
    #9258

  • The pooling allocator no longer limits instances/memories/tables by default.
    #9257

  • Stack overflow on an async stack will now print a message that this happened.
    #9304

  • Cranelift's cranelift-wasm crate has been removed and folded directly into
    wasmtime-cranelift.
    #9313

  • Cranelift's TrapCode type is now represented with a single byte.
    #9338

Fixed

  • Stack slots in Cranelift are now aligned from the start instead of the end.
    #9279

  • The WASIp1 adapter now correctly handles allocations where the initial
    alignment consumes the entire allocation.
    #9356

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