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