## [1.0.1] - 2026-05-13

### 🚀 Features

- experimental/lazy-barrel: advice on oversized barrel modules (#9236) by @shulaoda
- rolldown: inline optional-chain enum access (#9379) by @Dunqing
- chunk-optimization: dedupe already-loaded dynamic deps (#9305) by @IWANABETHATGUY
- binding: call moduleParsed hook in ParallelJsPlugin (#9318) by @jaehafe

### 🐛 Bug Fixes

- transform: enable `enum_eval` for `transformSync` and vite TS transform (#9325) by @Dunqing
- error: remove severity prefix from diagnostic messages (#9262) by @Kyujenius
- deps: pin pnpm to 10.23.0 to work around catalog mismatch on Netlify (#9364) by @shulaoda
- ci: pin mimalloc-safe to 0.1.58 (#9361) by @shulaoda
- dev/lazy: fix exports of lazy requests in lazy chunks (#9249) by @h-a-n-a
- rolldown_plugin_vite_resolve: handle errors in `resolveSubpathImports` callback (#9355) by @sapphi-red
- rolldown_plugin_lazy_compilation: use loadExports for fetched proxy to preserve original export names (#9132) by @h-a-n-a
- common: include offending index in HybridIndexVec panic message (#9296) by @SAY-5

### 🚜 Refactor

- ecmascript: extract semantic_builder_for_transform helper (#9326) by @Dunqing
- test: extract reusable static-import-cycle helper (#9332) by @IWANABETHATGUY

### 📚 Documentation

- clarify scope of `topLevelVar` (#9380) by @IWANABETHATGUY
- meta/design: add ast-mutation design doc (#9338) by @hyf0
- feat: add ai policy in contribution guide (#9315) by @mdong1909

### ⚡ Performance

- binding: enable mimalloc v3 to reduce idle memory (#9349) by @shulaoda

### 🧪 Testing

- mcs: cover require() in `$initial` group (#9376) by @hyf0
- add regression for CJS facade chunk merge into entry (#9351) by @IWANABETHATGUY

### ⚙️ Miscellaneous Tasks

- switch prepare-release to manual dispatch with version input (#9383) by @shulaoda
- migrate `@rolldown/pluginutils` to `rolldown/plugins` (#9317) by @shulaoda
- deps: pin libmimalloc-sys2 to 0.1.54 (#9372) by @shulaoda
- replace `igorskyflyer/action-readfile` with `cat` (#9369) by @sapphi-red
- deps: update test262 submodule for tests (#9371) by @rolldown-guard[bot]
- use app token for test dep update PRs (#9368) by @sapphi-red
- replace some actions with gh commands (#9367) by @sapphi-red
- replace action-semantic-pull-request with inline regex (#9366) by @sapphi-red
- remove pull_request_target workflows (#9188) by @Boshen
- deps: upgrade oxc to 0.130.0 (#9360) by @shulaoda
- deps: update github actions (major) (#9348) by @renovate[bot]
- deps: update github actions (#9341) by @renovate[bot]
- deps: update rust crates (#9344) by @renovate[bot]
- deps: update crate-ci/typos action to v1.46.1 (#9357) by @renovate[bot]
- deps: update npm packages (#9343) by @renovate[bot]
- deps: update pnpm to v10.33.4 (#9347) by @renovate[bot]
- deps: update dependency rolldown-plugin-dts to ^0.25.0 (#9346) by @renovate[bot]
- .claude: add rolldown-repl encoder, rename decode skill (#9352) by @IWANABETHATGUY
- deps: update crate-ci/typos action to v1.46.0 (#9345) by @renovate[bot]
- deps: update napi to v3.8.6 (#9342) by @renovate[bot]
- deps: update dependency vite-plus to v0.1.20 (#9340) by @renovate[bot]
- enable rollup chunking-form test (#9335) by @IWANABETHATGUY
- typo: fix typo in watcher options comment (#9324) by @thescripted

### ❤️ New Contributors

* @Kyujenius made their first contribution in [#9262](#9262)
* @SAY-5 made their first contribution in [#9296](#9296)
* @thescripted made their first contribution in [#9324](#9324)

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