WebAssembly/wasi-sdk

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WASI-enabled WebAssembly C/C++ toolchain

Stars: 1.6k
Forks: 237
Open beginner issues: 0
Indexed issues: 28
Avg merge: 18h 26m
Merged PRs (30d): 5

Dominant language: CMake
License: Apache-2.0
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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28 open issues indexed

`wasm32-wasip3` with `flto` traps Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

WebAssembly/wasi-sdk#657 · 1 comment · Opened Sep 9, 2026
wasi-sdk-33.0 undefined symbols when building with c++ exceptions Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

WebAssembly/wasi-sdk#639 · 1 comment · Opened Jun 23, 2026
strip errors for ComponentizeJS output Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

WebAssembly/wasi-sdk#638 · Opened Jun 19, 2026
`-flto` + `-fwasm-exceptions` flags together break the compiler Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

WebAssembly/wasi-sdk#629 · 2 comments · 1 reaction · Opened May 1, 2026
Is the Docker image available on Docker Hub? Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

WebAssembly/wasi-sdk#588 · 1 comment · Opened Feb 3, 2026
Provide a way to rebuild the sysroot with specific compiler flags Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

WebAssembly/wasi-sdk#582 · 4 comments · Opened Jan 8, 2026
Do something interesting with a Wasm-hosted, Wasm-targeting Clang/LLD? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

WebAssembly/wasi-sdk#570 · 8 comments · 2 reactions · Opened Oct 26, 2025
Building the clangd LSP Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

WebAssembly/wasi-sdk#569 · 4 comments · Opened Oct 15, 2025
SDK should support Address Sanitizer Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

WebAssembly/wasi-sdk#553 · 9 comments · 1 reaction · Opened Jul 30, 2025
SDK should support Undefined Behavior Sanitizer Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WebAssembly/wasi-sdk#552 · 4 comments · 1 reaction · Opened Jul 30, 2025
Apparent codegen bug when building optimized targetting WASI Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

WebAssembly/wasi-sdk#542 · 4 comments · Opened Jul 2, 2025
relocation R_WASM_MEMORY_ADDR_TLS_SLEB cannot be used against an undefined symbol `__wasm_lpad_context` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WebAssembly/wasi-sdk#541 · 2 comments · Opened Jul 1, 2025
Ensuring WASI-SDK follows standard expected behavior for debug information Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/wasi-sdk#535 · 17 comments · Opened Jun 18, 2025
Option to suppress errors related to unsupported features Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/wasi-sdk#534 · 11 comments · Opened Jun 15, 2025
Any way to enforce no WASI imports? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

WebAssembly/wasi-sdk#530 · 1 comment · Opened May 20, 2025
Release buildable source archives Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WebAssembly/wasi-sdk#505 · 2 comments · 1 reaction · Opened Jan 15, 2025
Huge code bloat with wasi-sdk-23 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WebAssembly/wasi-sdk#460 · 14 comments · Opened Jul 26, 2024
LTO failing to prune WASI fd_* imports Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

WebAssembly/wasi-sdk#401 · 9 comments · Opened Mar 22, 2024
MSVC IntelliSense stops working after wasi-sdk-15 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WebAssembly/wasi-sdk#381 · Opened Feb 6, 2024
Stack growing support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

WebAssembly/wasi-sdk#369 · 3 comments · Opened Jan 2, 2024
Release tag/name version and released file versions differ by a `.0` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

WebAssembly/wasi-sdk#360 · 2 comments · 1 reaction · Opened Nov 28, 2023
Why do we build compiler-rt/libcxx/libcxxabi with RelWithDebugInfo? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WebAssembly/wasi-sdk#281 · 11 comments · Opened Jan 4, 2023
Remove unsupported libc++ modules from module.modulemap Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

WebAssembly/wasi-sdk#253 · 1 comment · Opened Sep 8, 2022
Any example or documentation how to run it in browser? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

WebAssembly/wasi-sdk#235 · 6 comments · 1 reaction · Opened May 15, 2022
Using C++ string results in `fd_close`, `fd_seek` & `fd_write`, even for BAREMETAL compile Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WebAssembly/wasi-sdk#220 · 3 comments · Opened Jan 25, 2022
Avoid stdlib printing to stdout/stderr? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

WebAssembly/wasi-sdk#190 · 27 comments · 1 reaction · Opened Aug 29, 2021
debug info depends on -Wl,--export= Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

WebAssembly/wasi-sdk#129 · 4 comments · Opened Apr 27, 2020
Instructions for compiling `libclang_rt.builtins-wasm32.a`? Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

WebAssembly/wasi-sdk#36 · 5 comments · Opened May 22, 2019

WebAssembly/wasi-sdk

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