bytecodealliance/wac

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WebAssembly Composition (WAC) tooling

Stars: 208
Forks: 41
Open beginner issues: 0
Indexed issues: 31
Avg merge: 2d 7h
Merged PRs (30d): 3

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

Help users draw the rest of the owl Open

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

bytecodealliance/wac#181 · 7 reactions · Opened Oct 20, 2025
Fix the WAC language target validation predicate Open

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

bytecodealliance/wac#170 · Opened Aug 15, 2025
Use trusted publishing for release automation in this repository Open

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

bytecodealliance/wac#169 · Opened Aug 15, 2025
Resolve import loop with ``use`` Open

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

bytecodealliance/wac#166 · 1 comment · Opened Aug 5, 2025
Documentation: Package with version on local file system Open

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

bytecodealliance/wac#165 · Opened Jun 20, 2025
Enable composing components that use GC Open

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

bytecodealliance/wac#158 · 3 comments · Opened May 10, 2025
Use wkg instead of warg client Open

bytecodealliance/wac#155 · 3 comments · 2 reactions · 2 assignees · Opened Apr 9, 2025
Merge into upstream wasm-tools? Open

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

bytecodealliance/wac#153 · 3 comments · 3 reactions · Opened Mar 18, 2025
wac expects "instantiation" of type aliaes Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

bytecodealliance/wac#152 · 2 comments · Opened Feb 6, 2025
Error: resource types are not the same when composing components Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

bytecodealliance/wac#149 · 2 comments · Opened Jan 16, 2025
WAB plug and compose fails? Open

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

bytecodealliance/wac#148 · 5 comments · 2 reactions · Opened Jan 14, 2025
wac plug error: "error: encoding produced a component that failed validation" Open

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

bytecodealliance/wac#141 · 7 comments · Opened Sep 20, 2024
Versioned dependencies (via `--dep`) are not found Open

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

bytecodealliance/wac#136 · 3 comments · Opened Jul 29, 2024
Consider an additional command that mimics `wasm-tools compose -d` semantics more closely Open

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

bytecodealliance/wac#95 · 2 reactions · Opened Apr 26, 2024
Implement `@since` and `@unstable` attributes Open

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

bytecodealliance/wac#94 · 1 comment · 4 reactions · Opened Apr 19, 2024
Add `Package::from_wit` convenience Open

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

bytecodealliance/wac#92 · 2 reactions · Opened Apr 19, 2024
Require package names to be lowercase. Open

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

bytecodealliance/wac#90 · 1 reaction · Opened Apr 18, 2024
`wac-parser` crate needs a README with examples. Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

bytecodealliance/wac#87 · 1 reaction · Opened Apr 16, 2024
`wac_types::Package` not having its own `wac_types::Types` requires re-parsing packages on every composition Open

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

bytecodealliance/wac#85 · 7 comments · Opened Apr 16, 2024
miette #347 has been merged, fixing #219 Open

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

bytecodealliance/wac#77 · 2 comments · Opened Apr 11, 2024
Wasm components dependencies are case sensitive which can cause confusion Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

bytecodealliance/wac#60 · Opened Mar 20, 2024
Support type annotation in WAC Open

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

bytecodealliance/wac#57 · 2 comments · Opened Feb 29, 2024
Provide option to downgrade `unknown import` errors to warnings Open

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

bytecodealliance/wac#56 · 1 comment · Opened Feb 29, 2024
Feature idea: short hand commands for common composition scenarios Open

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

bytecodealliance/wac#53 · Opened Feb 2, 2024
Support multiple `targets` clauses in the `package` directive Open

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

bytecodealliance/wac#43 · 1 reaction · Opened Feb 1, 2024
Implement "defaulted" instantiation arguments Open

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

bytecodealliance/wac#42 · Opened Jan 25, 2024
Use warg-loader to resolve registry dependencies Open

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

bytecodealliance/wac#41 · 1 reaction · Opened Jan 17, 2024
Add a CLI subcommand for validating the target of a component Open

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

bytecodealliance/wac#40 · 1 reaction · Opened Jan 16, 2024
Implement a fuzzer for `wac-parser` Open

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

bytecodealliance/wac#39 · 1 comment · Opened Jan 16, 2024
Implement `wac_graph::CompositionGraph::decode` to decode previous encodings Open

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

bytecodealliance/wac#38 · Opened Jan 16, 2024
Syntax for wasi-virt support Open

bytecodealliance/wac#21 · 6 comments · 1 assignee · Opened Nov 29, 2023

bytecodealliance/wac

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