v1.2.2

antonibigata/keysyncv1.2.2Aug 3, 2026by github-actions[bot]

AI Summary

This release focuses on performance optimizations, including improved code-splitting and plugin timing, alongside several bug fixes for development mode and dynamic imports.

Key Highlights

Code-splitting support for inlining shared deps in dynamic entries
Plugin timing improvements for user callbacks and Rust hooks
Dev mode fixes including HMR and cleanDir handling

New Features

Code-splitting support for inlining shared deps
Plugin timing measurement
Initialize re-exported wrapped ESM modules at entry chunks
External dynamic imports included in chunk metadata

Full Release Notes

## [1.2.2] - 2026-08-03

### 🚀 Features

- code-splitting: support inlining of shared deps in dynamic entries (#10526) by @nicolo-ribaudo
- plugin: time the user callbacks configured on the options (#10509) by @IWANABETHATGUY

### 🐛 Bug Fixes

- dev: force `cleanDir` off in dev mode (#10579) by @shulaoda
- dev: keep `?rolldown-lazy` proxy ids out of user `resolveId` hooks (#10580) by @btea
- initialize re-exported wrapped ESM modules at the entry chunk (#10567) by @hyfdev
- link: resolve circular star reexports as null (#10445) by @Nic-Polumeyv
- transform: transformer gate skips newer syntax that oxc can lower (#10564) by @sekyungk
- code-splitting: materialize consumer-local barrel routing when the order-wrap plan is empty (#10544) by @hyfdev
- plugin: measure plugin hooks in JavaScript, report them from Rust (#10508) by @IWANABETHATGUY
- plugin: include external dynamic imports in chunk metadata (#10557) by @hyfdev
- plugin: report plugin timings after closeBundle has run (#10521) by @IWANABETHATGUY
- browser: avoid using node builtin modules (#10542) by @sapphi-red

### 🚜 Refactor

- plugin: give the build's own clocks their own type (#10520) by @shulaoda

### 📚 Documentation

- correct stale `buildStart` comment in `ScanStageCache::merge` (#10577) by @shulaoda
- update outdated pluginutils references (#10574) by @dogledogle

### ⚡ Performance

- external: drop the runtime import from chunks that never wrap (#10517) by @IWANABETHATGUY
- plugin: clock the build only when it is being measured (#10558) by @IWANABETHATGUY

### 🧪 Testing

- vite-tests: drop the dead `@rolldown/pluginutils` pnpm override (#10575) by @IWANABETHATGUY
- transform: group the transform-target fixtures and say why each exists (#10569) by @IWANABETHATGUY
- dev: fix hmr-hot-update-hook-vite fixture on Windows (#10565) by @h-a-n-a
- dev: match Vite's renamed full-reload log (#10547) by @shulaoda

### ⚙️ Miscellaneous Tasks

- deps: update napi (#10576) by @renovate[bot]
- deps: bump `@napi-rs/wasm-runtime` to 1.2.2 (#10570) by @shulaoda
- deps: update npm packages (#10583) by @renovate[bot]
- deps: update dependency rolldown-plugin-dts to ^0.28.0 (#10588) by @renovate[bot]
- deps: update taiki-e/install-action action to v2.85.5 (#10587) by @renovate[bot]
- deps: update codspeedhq/action action to v5 (#10584) by @renovate[bot]
- deps: update github actions (#10582) by @renovate[bot]
- deps: update rust crates (#10581) by @renovate[bot]
- deps: update dependency vite-plus to v0.2.7 (#10568) by @renovate[bot]
- deps: update dependency rolldown-plugin-dts to v0.27.14 (#10531) by @renovate[bot]
- deps: update pnpm to v11.17.0 (#10571) by @renovate[bot]
- deps: update @napi-rs/wasm-runtime to 1.2.1 (#10545) by @sapphi-red

### ❤️ New Contributors

* @sekyungk made their first contribution in [#10564](https://github.com/rolldown/rolldown/pull/10564)
* @nicolo-ribaudo made their first contribution in [#10526](https://github.com/rolldown/rolldown/pull/10526)

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