wasi-sdk-34

What's Changed

• reduce whitespace differences among cmake toolchain files by @yamt in #631
• Update CppExceptions.md documentation by @alexcrichton in #630
• Add WASI_SDK_BUILD_SHARED option by @rvandermeulen in #632
• Set CMAKE_EXECUTABLE_SUFFIX in toolchain files by @alexcrichton in #634
• Update wasm-component-ld by @alexcrichton in #635
• Remove wasm32-wasi and wasm32-wasi-threads targets by @alexcrichton in #637
• More work towards a wasip3 target by @alexcrichton in #636
• Bump wasm-component-ld version by @alexcrichton in #642
• Prepare for 34-rc.2 by @alexcrichton in #644
• Update to the latest wasi-libc by @alexcrichton in #645
• Update wasi-libc again by @alexcrichton in #646
• Create a separate sysroot for coop threads by @alexcrichton in #647
• Update LLVM PR patch file by @alexcrichton in #649
• Sync LLVM patches with landed PRs by @alexcrichton in #650
• Prepare for wasi-sdk-34-rc.3 by @alexcrichton in #651
• Update LLVM's release branch commit by @alexcrichton in #652

New Contributors

• @rvandermeulen made their first contribution in #632

Full Changelog: wasi-sdk-33...wasi-sdk-34

wasi-sdk-34-rc.3

What's Changed

• Update to the latest wasi-libc by @alexcrichton in #645
• Update wasi-libc again by @alexcrichton in #646
• Create a separate sysroot for coop threads by @alexcrichton in #647
• Update LLVM PR patch file by @alexcrichton in #649
• Sync LLVM patches with landed PRs by @alexcrichton in #650
• Prepare for wasi-sdk-34-rc.3 by @alexcrichton in #651

Full Changelog: wasi-sdk-34-rc.2...wasi-sdk-34-rc.3

wasi-sdk-34-rc.2

What's Changed

• Bump wasm-component-ld version by @alexcrichton in #642
• Prepare for 34-rc.2 by @alexcrichton in #644

Full Changelog: wasi-sdk-34-rc.1...wasi-sdk-34-rc.2

wasi-sdk-34-rc.1

This is a pre-release of the wasi-sdk-34 tag which will eventually use LLVM 23. This is intended to assist in testing the new wasip3 target and the ABI changes maded in LLVM tip-of-tree. This upgrades to LLVM/Clang tip-of-tree as of July 1, 2026. Testing is welcome and appreciated, but this is not an official release just yet.

What's Changed

• reduce whitespace differences among cmake toolchain files by @yamt in #631
• Update CppExceptions.md documentation by @alexcrichton in #630
• Add WASI_SDK_BUILD_SHARED option by @rvandermeulen in #632
• Set CMAKE_EXECUTABLE_SUFFIX in toolchain files by @alexcrichton in #634
• Update wasm-component-ld by @alexcrichton in #635
• Remove wasm32-wasi and wasm32-wasi-threads targets by @alexcrichton in #637
• More work towards a wasip3 target by @alexcrichton in #636

New Contributors

• @rvandermeulen made their first contribution in #632

Full Changelog: wasi-sdk-33...wasi-sdk-34-rc.1

wasi-sdk-33

What's Changed

• Update wasm-component-ld by @alexcrichton in #623
• ci: add riscv64-linux build via cross-compilation on ubuntu-24.04 by @gounthar in #621
• Build a sysroot that supports C++ exceptions by default by @alexcrichton in #606
• Add clang-scan-deps to the toolchain by @dantti in #624
• Update wasi-libc submodule by @alexcrichton in #625
• Refactor testing to avoid shell scripts, make matching more robust by @alexcrichton in #626
• Update wasi-libc by @alexcrichton in #627

New Contributors

• @gounthar made their first contribution in #621
• @dantti made their first contribution in #624

Full Changelog: wasi-sdk-32...wasi-sdk-33

wasi-sdk-32

What's Changed

• Update github actions workflows by @alexcrichton in #605
• Attempt to fix finding libedit on macOS by @alexcrichton in #609
• Fix C++ thread locals, add a test by @alexcrichton in #611
• Build libxml2 for LLDB by @alexcrichton in #614
• Try to disable ncurses dep for libedit by @alexcrichton in #615
• Don't use lib64 dir for libxml2 by @alexcrichton in #617

Full Changelog: wasi-sdk-31...wasi-sdk-32

wasi-sdk-31

What's Changed

• Add experimental support for C++ exceptions by @alexcrichton in #590
• Update wasm-component-ld in CI by @rvolosatovs in #592
• Update wasm-component-ld by @alexcrichton in #594
• Update to LLVM 22.1.0 by @alexcrichton in #585
• Build wasip3 target by @rvolosatovs in #593
• Include libclang.so in wasi-sdk by @alexcrichton in #598
• Update wasi-libc submodule by @alexcrichton in #599
• Build LLDB as part of wasi-sdk by @alexcrichton in #596
• Adjust documentation of limitations in README by @alexcrichton in #591
• Change Clang's default target to wasm32-wasip1 by @alexcrichton in #600
• Update wasi-libc by @alexcrichton in #602
• Update wasi-libc one more time by @alexcrichton in #604

New Contributors

• @rvolosatovs made their first contribution in #592

Full Changelog: wasi-sdk-30...wasi-sdk-31

wasi-sdk-30

What's Changed

• Update wasm-component-ld by @alexcrichton in #581
• Update wasi-libc to cmake-enabled build by @alexcrichton in #580
• Update wasi-libc with sdk version information by @alexcrichton in #583
• doc: add cargo to list of requirements by @avitase in #586
• Update wasi-libc by @alexcrichton in #584

New Contributors

• @avitase made their first contribution in #586

Full Changelog: wasi-sdk-29...wasi-sdk-30

wasi-sdk-29

What's Changed

• Lower linux glibc requirement from 2.31 to 2.28 by @alexcrichton in #575
• Update wasi-libc by @alexcrichton in #576
• Update wasm-component-ld to 0.5.19 by @alexcrichton in #577

Full Changelog: wasi-sdk-28...wasi-sdk-29

wasi-sdk-28

What's Changed

• Ship the llvm-addr2line tool by @whitequark in #550
• Update github CI concurrency key by @alexcrichton in #555
• Bump wasm-component-ld to 0.5.16 by @alexcrichton in #557
• Update to LLVM 21.1.0 by @alexcrichton in #559
• Update wasi-libc to latest by @alexcrichton in #560
• Update wasm-component-ld to 0.5.17 by @alexcrichton in #561
• Rewrite setjmp/longjmp docs by @alexcrichton in #562
• In Install instructions in README, bump version to 27 by @catamorphism in #567
• Bump wasm-component-ld to 0.5.18 by @alexcrichton in #568
• Always build wasm32-wasip2 with -fPIC by @alexcrichton in #564
• Update submodules by @alexcrichton in #572
• Update wasi-libc to main by @alexcrichton in #574

New Contributors

• @catamorphism made their first contribution in #567

Full Changelog: wasi-sdk-27...wasi-sdk-28