rolldown 1.2.10

v1.2.10

on Node.js NPM

[1.2.10] - 2026-09-23

🚀 Features

• rolldown_plugin_esm_external_require: prefer 'module.exports' over a namespace spread (#10901) by @isker
• watch: support directories in addWatchFile (#10944) by @shulaoda
• label code-splitting timing rows (#10896) by @IWANABETHATGUY
• separate code-splitting group timing rows (#10892) by @IWANABETHATGUY
• clarify callback owners in the timing report (#10890) by @IWANABETHATGUY
• add checks.bundlerTimings with deprecated pluginTimings alias (#10883) by @IWANABETHATGUY

🐛 Bug Fixes

• code-splitting: initialize leaves behind a re-exported namespace import (#10694) by @hyfdev
• node: record the WASI target on the WebContainer binding fallback (#10952) by @shulaoda
• dev: force incremental build on in DevEngine::new (#10958) by @o-alexandrov
• tree-shaking: propagate side effects through cycles (#10893) by @IWANABETHATGUY
• deconflict CJS locals that shadow a renamed require wrapper (#10793) by @logaretm
• include group indexes in labeled codeSplitting timing rows (#10916) by @IWANABETHATGUY
• docs: type-check Algolia indices option (#10934) by @shulaoda
• docs: restore Algolia search (#10929) by @isker
• tell code-splitting timing rows apart by position (#10903) by @IWANABETHATGUY

🚜 Refactor

• rolldown_fs_watcher: remove the single-path API (#10950) by @shulaoda
• dev: register watch files through FsWatcher (#10949) by @shulaoda
• watch: let FsWatcher own the watched paths (#10948) by @shulaoda
• watch: identify watch files by normalized absolute path (#10943) by @shulaoda
• plugin: build a plugin-resolved ResolvedId in one place (#10921) by @IWANABETHATGUY

📚 Documentation

• dev: add HMR design, align dev docs and engine comments (#10271) by @h-a-n-a

⚡ Performance

• batch sourcemapPathTransform calls (#10763) by @IWANABETHATGUY
• batch sourcemapIgnoreList calls (#10762) by @IWANABETHATGUY
• hmr: drop the unused kind argument from registerFactory (#10915) by @h-a-n-a

🧪 Testing

• handle Windows paths in sourcemap callback tests (#10942) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

• replace custom ban-expect-assertions JS lint with builtin no-restricted-properties (#10933) by @isker
• deps: update napi (#10959) by @renovate[bot]
• deps: upgrade oxc to 0.151.0 (#10939) by @camc314
• deps: update test262 submodule for tests (#10941) by @rolldown-guard[bot]
• deps: update npm packages (#10931) by @renovate[bot]
• deps: update napi (#10928) by @renovate[bot]
• deps: update dependency vite-plus to v0.3.3 (#10914) by @renovate[bot]
• deps: update rust crates (#10932) by @renovate[bot]
• deps: update github actions (#10930) by @renovate[bot]
• deps: update dependency rolldown-plugin-dts to v0.28.6 (#10924) by @renovate[bot]
• deps: update crate-ci/typos action to v1.50.2 (#10917) by @renovate[bot]
• deps: update dependency @napi-rs/cli to v3.10.4 (#10913) by @renovate[bot]
• deps: update napi (#10897) by @renovate[bot]

❤️ New Contributors

• @o-alexandrov made their first contribution in #10958

Co-authored-by: shulaoda 165626830+shulaoda@users.noreply.github.com