v0.3.0-rc-2026-02-09

What's Changed

• Async write prevents Rust bindings and component composition by @badeend in #870
• Remove double async'ness from read-directory. by @badeend in #869
• Clarify the implicit bind behavior observed on Windows. by @badeend in #868
• [filesystem] Add note prioritizing compatibility over portability by @wingo in #847
• chore: bump wkg 0.15 by @ricochet in #881

New Contributors

• @wingo made their first contribution in #847

Full Changelog: v0.3.0-rc-2026-01-06...v0.3.0-rc-2026-02-09

v0.2.10

What's Changed

• fix: set wkg publish wit dir by @ricochet in #842
• fix: publish in dep order by @ricochet in #843
• Add specification for WASI v0.2.9 by @github-actions[bot] in #844
• Advancing WASI OTel from phase 0 to phase 1 by @asteurer in #845
• ci: add labeler by @ricochet in #846
• List new WASI co-champions in Proposals.md by @yoshuawuyts in #853
• Migrate WASI 0.1 docs from legacy/ dir to wasi-0.1 branch by @yoshuawuyts in #855
• Bump the github-actions group with 5 updates by @dependabot[bot] in #861
• ci: handle incorrect inputs for rc date by @ricochet in #864
• Release WASI v0.3.0-rc-2026-01-06 by @github-actions[bot] in #866
• lint since by @ricochet in #867
• ci: upload wit tar for releases by @ricochet in #877
• Bump the github-actions group with 5 updates by @dependabot[bot] in #876
• Release WASI v0.2.10 by @github-actions[bot] in #878

Full Changelog: v0.2.9...v0.2.10

v0.3.0-rc-2026-01-06

What's Changed

• fix: set wkg publish wit dir by @ricochet in #842
• fix: publish in dep order by @ricochet in #843
• Add specification for WASI v0.2.9 by @github-actions[bot] in #844
• Advancing WASI OTel from phase 0 to phase 1 by @asteurer in #845
• ci: add labeler by @ricochet in #846
• List new WASI co-champions in Proposals.md by @yoshuawuyts in #853
• Migrate WASI 0.1 docs from legacy/ dir to wasi-0.1 branch by @yoshuawuyts in #855
• Bump the github-actions group with 5 updates by @dependabot[bot] in #861
• ci: handle incorrect inputs for rc date by @ricochet in #864
• Release WASI v0.3.0-rc-2026-01-06 by @github-actions[bot] in #866

Full Changelog: v0.2.9...v0.3.0-rc-2026-01-06

v0.2.9

What's Changed

• docs: adding asteurer as co-champion by @asteurer in #671
• Remove Preview1's advice about random-number generators. by @sunfishcode in #664
• Migrate proposals into the WASI monorepo by @yoshuawuyts in #826
• Dedupe the wasip2 proposals by @yoshuawuyts in #828
• Add CODEOWNERS file by @yoshuawuyts in #829
• Move WASI logo to assets/ sub-dir by @yoshuawuyts in #832
• Move documentation into docs/ dir by @yoshuawuyts in #831
• Initialize a specifications/ directory by @yoshuawuyts in #833
• ci: validate wit definitions by @ricochet in #827
• fix(readme): point to preview2 under docs by @keogami in #835
• Fix typo in preview0 / preview1 wasi_event_t. by @wffurr in #674
• Improve visual rhythm in README by @yoshuawuyts in #834
• fix: pin deps to relative paths by @ricochet in #836
• ci: add release workflow by @ricochet in #837
• fix: markdown gen to proposal dir by @ricochet in #840
• Bump bytecodealliance/actions from 1.1.0 to 1.1.2 in the github-actions group by @dependabot[bot] in #838
• Release WASI v0.2.9 by @github-actions[bot] in #841

New Contributors

• @asteurer made their first contribution in #671
• @keogami made their first contribution in #835
• @wffurr made their first contribution in #674
• @dependabot[bot] made their first contribution in #838

Full Changelog: v0.2.8...v0.2.9

v0.2.8

What's Changed

• Release WASI v0.2.8 by @github-actions[bot] in #670

Full Changelog: v0.2.7...v0.2.8

v0.2.7

What's Changed

• Add caveat about support for sync flags by @zoraaver in #560
• Release WASI v0.2.7 by @github-actions[bot] in #668

Full Changelog: v0.2.6...v0.2.7

v0.2.6

What's Changed

• chore: update latest versions in README by @vados-cosmonic in #648
• transfer championship to merlijn by @ricochet in #647
• Add wasi-otel as a phase 0 proposal by @calebschoepp in #655
• feature: add release workflow by @ricochet in #658
• Release WASI v0.2.6 by @github-actions in #660

New Contributors

• @vados-cosmonic made their first contribution in #648
• @calebschoepp made their first contribution in #655
• @github-actions made their first contribution in #660

Full Changelog: v0.2.5...v0.2.6

v0.2.5

What's Changed

Changes related to WASI as a whole.

• Revert accidental stabilization in the proposal tracker of unstable sub-proposals by @yoshuawuyts in #643
• Fix typo in Capabilities.md by @catamorphism in #651
• Update to v0.2.5 by @yoshuawuyts in #653

Proposal Releases

Changes related to specific WASI proposals are tracked as part of the proposal releases.

• wasi:io@0.2.5
• wasi:random@0.2.5
• wasi:clocks@0.2.5
• wasi:filesystem@0.2.5
• wasi:sockets@0.2.5
• wasi:cli@0.2.5
• wasi:http@0.2.5

New Contributors

• @catamorphism made their first contribution in #651

Full Changelog: v0.2.4...v0.2.5

v0.2.4

What's Changed

• wasi-tls phase 1 by @ricochet in #639
• chore: remove redundant words in comment by @linchizhen in #637
• release: import published 0.2.4 by @ricochet in #642

New Contributors

• @linchizhen made their first contribution in #637

OCI Images

• wasi:io@0.2.4
• wasi:random@0.2.4
• wasi:clocks@0.2.4
• wasi:filesystem@0.2.4
• wasi:sockets@0.2.4
• wasi:cli@0.2.4
• wasi:http@0.2.4

Full Changelog: v0.2.3...v0.2.4

v0.2.3

WASI v0.2.3

This is the December 2024 release of WASI, where WASI is released on the first Thursday of every other month. All releases of WASI 0.2.* are backwards-compatible. For more details about the changes, please see the individual WASI proposal repositories.

Highlights

This release includes minor documentation updates.

OCI Artifacts

The WIT packages for this release are pushed to OCI based on the Wasm OCI Artifact layout:

• wasi:io@0.2.3
• wasi:random@0.2.3
• wasi:clocks@0.2.3
• wasi:sockets@0.2.3
• wasi:filesystem@0.2.3
• wasi:cli@0.2.3
• wasi:http@0.2.3