jco-v1.18.1

Changelog

[unreleased]

🚀 Features

• (jco) added warning when using fallback ComponentizeJS by @EngoDev in #1416

New Contributors

• @EngoDev made their first contribution in #1416

js-component-bindgen-v1.16.8

Changelog

[1.16.8] - 2026-04-18

🚜 Refactor

• (bindgen) update 'use jco' directive to 'use components' by @vados-cosmonic

jco-v1.18.0

Changelog

[1.18.0] - 2026-04-18

🚀 Features

• (jco) detect older wasi:http version for older componentizejs by @vados-cosmonic

• (jco) add import/export metadata getter fn to wasm-tools by @vados-cosmonic

• (jco) add componentize-js v0.19.3 as dep by @vados-cosmonic

🐛 Bug Fixes

• (jco) look for all old wasi versions by @vados-cosmonic

• (jco) add old componentize-js checking for fetch import by @vados-cosmonic

• (jco) fix older wasi test on windows by @vados-cosmonic

🧪 Testing

• (jco) update directive test to check for 'use components' by @vados-cosmonic in #1410

⚙️ Miscellaneous Tasks

• (jco) update componentize-js to 0.20.0 by @vados-cosmonic

preview2-shim-v0.17.9

Changelog

[1.17.9] - 2026-04-17

🐛 Bug Fixes

• (p2-shim) incorrect ns magnitude by @vados-cosmonic

⚙️ Miscellaneous Tasks

• (p2-shim) oxfmt by @vados-cosmonic

• (p2-shim) swap eslint for oxlint by @vados-cosmonic

js-component-bindgen-v1.16.7

Changelog

[1.16.7] - 2026-04-17

🚀 Features

• (bindgen) add --strict option for enabling type checks by @vados-cosmonic

🐛 Bug Fixes

• (bindgen) remove leftover debug code by @vados-cosmonic

jco-v1.17.9

Changelog

[unreleased]

⚙️ Miscellaneous Tasks

• (jco) update bundled preview2-shim version to v1.17.9 by @vados-cosmonic in #1408

jco-v1.17.8

Changelog

[unreleased]

🚀 Features

• (jco) add --strict option for enabling bindgen type checks by @vados-cosmonic

🐛 Bug Fixes

• (jco) version number by @vados-cosmonic

🧪 Testing

• (jco) add codegen test for --strict by @vados-cosmonic

⚙️ Miscellaneous Tasks

• (jco) remove debug code in test by @vados-cosmonic in #1403

jco-v1.17.9-rc.0

Changelog

[1.17.9-rc.0] - 2026-04-17

js-component-bindgen-v1.16.6

Changelog

[1.16.6] - 2026-04-16

🚀 Features

• (bindgen) add support for p3 futures by @vados-cosmonic

• (bindgen) add explicit checks for lowered numeric primitives by @vados-cosmonic

• (bindgen) host side stream writes from any async iterator by @vados-cosmonic

• (bindgen) implement Instruction::StreamLower by @vados-cosmonic

🐛 Bug Fixes

• (bindgen) use IndexMap for deterministic export iteration order by @wondenge

• (bindgen) resource hookup for imports by @vados-cosmonic in #1371

• (bindgen) use adhoc mapping while generating lift/lower fns by @vados-cosmonic

• (bindgen) impl async stream lower owned resources by @vados-cosmonic

• (bindgen) implementation of flat lower own by @vados-cosmonic

• (bindgen) fix async future JS codegen producing invalid output by @wondenge in #1367

• (bindgen) async stream list lower impl by @vados-cosmonic

• (bindgen) option, result, flag lowers by @vados-cosmonic

• (bindgen) async stream option & result lowering by @vados-cosmonic

• (bindgen) revert utf16 encoding changes by @vados-cosmonic

• (bindgen) utf16 decode logic by @vados-cosmonic

• (bindgen) fill in missing lower impls by @vados-cosmonic

• (bindgen) async stream record lowering impl by @vados-cosmonic

• (bindgen) async string flat lowering missing realloc by @vados-cosmonic

• (bindgen) missing ctx in memory usage by @vados-cosmonic

• (bindgen) host-side write post-read event clearing by @vados-cosmonic

• (bindgen) fix Instruction::StreamLift in async contexts by @vados-cosmonic

• (bindgen) done check during read by @vados-cosmonic

• (bindgen) check for host data in host-controlled streams by @vados-cosmonic

• (bindgen) stream drop logic by @vados-cosmonic

🚜 Refactor

• (bindgen) use upstream indexmap dep by @vados-cosmonic

• (bindgen) factor out strewam write injection, use w/ lower by @vados-cosmonic

• (bindgen) resource lift handling by @vados-cosmonic

• (bindgen) move resouce scope tracking by @vados-cosmonic in #1358

• (bindgen) use older iteration pattern for node 18/20 by @vados-cosmonic in #1343

• (bindgen) rework lowering code by @vados-cosmonic

• (bindgen) late handling of string encoding by @vados-cosmonic

⚙️ Miscellaneous Tasks

• (bindgen) update wasm/wit deps to 0.245.1 by @vados-cosmonic

• (bindgen) fmt by @vados-cosmonic

• (bindgen) clippy by @vados-cosmonic

New Contributors

• @wondenge made their first contribution

jco-v1.17.7

Changelog

[unreleased]

🧪 Testing

• (jco) add async future lift tests future tx component by @vados-cosmonic

• (jco) add test for generation determinism by @vados-cosmonic in #1373

• (jco) enable test for lowered stream by @vados-cosmonic

• (jco) update tests for lowered resources by @vados-cosmonic

• (jco) add test stubs by @vados-cosmonic

• (jco) add test for stream of list by @vados-cosmonic

• (jco) impove fixed length list test by @vados-cosmonic in #1366

• (jco) add more stream lower tests by @vados-cosmonic

• (jco) add async stream lower variant test by @vados-cosmonic

• (jco) move readable stream creating helper, fix test by @vados-cosmonic

• (jco) adapt closed stream test to async iterator semantics by @vados-cosmonic

• (jco) add async stream lower variant test by @vados-cosmonic

• (jco) add async record lower test by @vados-cosmonic

• (jco) fix & re-enable tests for primitives and string by @vados-cosmonic

• (jco) add more lower tests by @vados-cosmonic

• (jco) implement tests for stream lower values by @vados-cosmonic

• (jco) async passthrough stream lower test by @vados-cosmonic

• (jco) update stream lift tests by @vados-cosmonic

• (jco) fix stream test by @vados-cosmonic

• (jco) update tests with async itereator adoption by @vados-cosmonic

• (jco) finish test for sync stream passthrough by @vados-cosmonic

• (jco) add test for stream lower impl by @vados-cosmonic

• (jco) add component for stream-rx tests by @vados-cosmonic

• (jco) add read resource stream test by @vados-cosmonic

• (jco) add inter-task comms test by @vados-cosmonic

• (jco) add short reads test by @vados-cosmonic

• (jco) add test for host->host, host->guest closed streams by @vados-cosmonic

• (jco) ensure that last read is undefined by @vados-cosmonic

• (jco) add test for sync closed stream by @vados-cosmonic

⚙️ Miscellaneous Tasks

• (jco) lint by @vados-cosmonic

• (jco) lint by @vados-cosmonic