Rolldown Release Notes

38 release notes curated from 1 source by the Releasebot Team. Last updated: May 27, 2026

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May 27, 2026
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Rolldown

[1.0.3] - 2026-05-27

Rolldown adds decorator strictNullChecks support and drops the defer keyword, while also shipping a broad round of bug fixes, performance tweaks, refactors, docs updates, and testing improvements for a smoother build and dev experience.
680 Features

transform: respect decorator strictNullChecks option (#9580) by @kylecannon

drop defer keyword (#9503) by @TheAlexLichter

42b Bug Fixes

ci: create target dir before cargo release-oxc update (#9584) by @shulaoda

ci: reorder prepare-release steps to avoid dirty git check failure (#9583) by @shulaoda

testing: canonicalize temp dir early and use platform-specific separator in test262 (#9582) by @shulaoda

testing: resolve symlinked temp dir in test262 snapshot normalization (#9581) by @shulaoda

testing: canonicalize temp dir path in test262 snapshot normalization (#9579) by @shulaoda

dev: onOutput called twice when initial build fails (#9552) by @hyf0

dev: make ensureCurrentBuildFinish not returning error when engine closes (#9564) by @h-a-n-a

oxc-runtime: route require() to CJS helper variant (#9263) (#9526) by @IWANABETHATGUY

generator: use exporter chunk's export mode for CJS default re-exports (#9299) (#9529) by @IWANABETHATGUY

rolldown: always run reduced-atom static cycle check (#9441) (#9514) by @IWANABETHATGUY

apply transform.dropLabels before scanning (#9521) (#9522) by @IWANABETHATGUY

rolldown_watcher: take rolldown dep through the workspace (#9510) by @Boshen

cache: keep the scan-stage cache consistent when a build fails (#9495) by @h-a-n-a

skip JSON default-import namespace optimization for write targets (#9484) (#9489) by @IWANABETHATGUY

deps: skip pnpm frozen-lockfile on Netlify to dodge catalog mismatch bug (#9471) by @Boshen

6dc Refactor

oxc-runtime: use Cow for helper path construction (#9538) by @IWANABETHATGUY

fold import defer phase drop into PreProcessor (#9524) by @IWANABETHATGUY

distinguish map: null vs map: undefined in transform hook output (#9497) by @sapphi-red

4da Documentation

explain the policy for Rust crates (#9547) by @sapphi-red

cache: add design doc for cache (#9544) by @h-a-n-a

guide/troubleshooting: add TDZ error section (#9537) by @sapphi-red

dev-engine: add design doc for dev-engine (#9479) by @h-a-n-a

lazy-barrel: tweak some words (#9483) by @shulaoda

lazy-barrel: expand reasoning behind LARGE_BARREL_MODULES advice (#9477) by @shulaoda

4a8 Performance

generate: thread ast_table by value into codegen consumer (#9555) by @Boshen

finalizers: replace _reExport construction with a direct call to avoid calling clone_in (#9501) by @Dunqing

reorder hot-path boolean checks to short-circuit on cheap predicates first (#9523) by @Boshen

9ea Testing

rolldown: regression fixture for #9401 (#9418) by @IWANABETHATGUY

failing test for #9441 (#9504) by @TheAlexLichter

699 Miscellaneous Tasks

deps: upgrade oxc to 0.133.0 (#9563) by @Dunqing

deps: update crate-ci/typos action to v1.46.3 (#9576) by @renovate[bot]

deps: update mimalloc-safe to 0.1.62 (#9577) by @shulaoda

mimalloc-safe: update to a bug-fix branch for verification (#9569) by @shulaoda

deps: update test262 submodule for tests (#9551) by @rolldown-guard[bot]

point published crates' readme to root README.md (#9553) by @Boshen

replace actions-cool/issues-helper with gh CLI (#9543) by @Boshen

deps: update cargo-shear to 1.12.4 (#9541) by @Boshen

deps: update taiki-e/install-action action to v2.79.4 (#9535) by @renovate[bot]

deps: update github actions (#9532) by @renovate[bot]

deps: update rust crates (#9534) by @renovate[bot]

deps: update npm packages (#9533) by @renovate[bot]

gate experimental/testing-only items to silence dead_code in publish builds (#9517) by @Boshen

docs: deploy to Void (#9509) by @Boshen

release: set up cargo-release-oxc for publishing crates (#9476) by @Boshen

rolldown_plugin_lazy_compilation: add missing description (#9507) by @Boshen

mimalloc-safe: update to a bug-fix branch for verification (#9506) by @shulaoda

deps: update crate-ci/typos action to v1.46.2 (#9468) by @renovate[bot]

764 New Contributors

@kylecannon made their first contribution in #9580

Original source
May 20, 2026
- Date parsed from source:
  May 20, 2026
- First seen by Releasebot:
  May 20, 2026
Rolldown

[1.0.2] - 2026-05-20

Rolldown adds richer devtools package graph insights, new watcher include and exclude options, and harder checks emissions, while also improving chunk naming stability, treeshaking, lazy module handling, and overall performance.
🚀 Features

devtools: emit package size in PackageGraphReady (#9434) by @IWANABETHATGUY

devtools: classify package dependency types (#9427) by @IWANABETHATGUY

devtools: map packages to modules and chunks (#9426) by @IWANABETHATGUY

devtools: mark used packages (#9423) by @IWANABETHATGUY

devtools: make duplicate packages discoverable (#9422) by @IWANABETHATGUY

devtools: emit package metadata (#9421) by @IWANABETHATGUY

update oxc to 0.132.0 (#9449) by @shulaoda

update oxc to 0.131.0 (#9424) by @shulaoda

allow checks.* to escalate emissions to hard errors (#9388) by @IWANABETHATGUY

dev: support watcher options include and exclude (#9395) by @h-a-n-a

emit warnings for invalid pure annotations (#9381) by @Kyujenius

🐛 Bug Fixes

hash: keep chunk file names stable when an unrelated entry is added (#9444) by @hyf0

call codeSplitting.groups[].name in deterministic order (#9457) by @sapphi-red

dev/lazy: make resolve_id idempotent when the resolved id is already a lazy entry (#9439) by @h-a-n-a

chunk-optimization: publish absorbed dynamic-entry namespace cross-chunk (#9448) by @IWANABETHATGUY

treeshake: propagate pure annotation through compound exprs (#9431) by @Dunqing

finalizer: skip redundant init call when barrel executes in same chunk (#9354) by @IWANABETHATGUY

linking: initialize wrapped ESM re-export owners (#9353) by @IWANABETHATGUY

do not inherit __toESM across chunks for named-only external imports (#9333) (#9415) by @IWANABETHATGUY

watcher: don't write output or emit events after close() (#9328) by @situ2001

chunk-optimization: avoid unsafe dynamic-only merges (#9398) by @IWANABETHATGUY

cjs: rename CJS-wrapped locals that would shadow chunk-scope names (#9392) by @hyf0

dev/lazy: watch lazy modules added in rebuilds (#9391) by @h-a-n-a

🚜 Refactor

rolldown_dev: move dev example to break publish cycle (#9465) by @Boshen

binding: drop unsafe napi string helper, hoist transform ArcStr (#9456) by @hyf0

ecmascript_utils: split rewrite_ident_reference off JsxExt trait (#9417) by @IWANABETHATGUY

use ThreadsafeFunction::call_async_catch (#9390) by @sapphi-red

📚 Documentation

devtools: document @rolldown/debug usage and package graph consumption (#9435) by @IWANABETHATGUY

replace Inter with system font stack in OG template SVG (#9240) by @yvbopeng

remove output.comments warning as all issues have been resolved (#9393) by @sapphi-red

in-depth: clarify @PURE scope and document positions (#9389) by @Kyujenius

readme: remove release candidate notice (#9387) by @shulaoda

⚡ Performance

vite-resolve: cache importer existence checks (#9443) by @Brooooooklyn

binding: reduce plugin string clones (#9436) by @Brooooooklyn

🧪 Testing

enable legal_comments_inline test (#9394) by @sapphi-red

⚙️ Miscellaneous Tasks

bump pnpm to v11.1.2 (#9447) by @Boshen

deps: update rust crates (#9461) by @renovate[bot]

deps: update rollup submodule for tests to v4.60.4 (#9453) by @rolldown-guard[bot]

deps: update test262 submodule for tests (#9454) by @rolldown-guard[bot]

deps: update npm packages (#9430) by @renovate[bot]

deps: update github actions (#9429) by @renovate[bot]

deps: update dependency rolldown-plugin-dts to v0.25.1 (#9452) by @renovate[bot]

deps: update rust crates (#9428) by @renovate[bot]

revert allow checks.* to escalate emissions to hard errors (#9388) (#9438) by @IWANABETHATGUY

update mimalloc-safe to 0.1.61 (#9413) by @shulaoda

deny todo, unimplemented, and print_stderr clippy lints (#9412) by @Boshen

deps: update mimalloc-safe to 0.1.60 (#9410) by @shulaoda

remove pip install setuptools workaround for node-gyp on macOS (#9370) by @sapphi-red

renovate: disable automerge to require manual approval (#9386) by @shulaoda

deps: update napi (#9385) by @renovate[bot]

❤️ New Contributors

@yvbopeng made their first contribution in #9240

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May 13, 2026
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Rolldown

[1.0.1] - 2026-05-13

Rolldown adds experimental lazy-barrel advice, inline optional-chain enum access, and dynamic dep deduping, while improving transform, lazy compilation, and module parsing. It also boosts memory efficiency with mimalloc v3 and includes several bug fixes and docs updates.
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]

New Contributors

@Kyujenius made their first contribution in #9262

@SAY-5 made their first contribution in #9296

@thescripted made their first contribution in #9324

Original source
May 7, 2026
- Date parsed from source:
  May 7, 2026
- First seen by Releasebot:
  May 7, 2026
- Modified by Releasebot:
  May 27, 2026
Rolldown

[1.0.0] - 2026-05-07

Rolldown ships bug fixes, internal refactors, and a performance boost, including better lazy module watching, improved CommonJS and ESM handling in HMR, background-thread log writing, and updated 1.0.0 documentation.
42b Bug Fixes

dev/lazy: lazily compiled modules should be watched (#9301) by @h-a-n-a

implement dynamic dominator merge logic (#9270) by @TheAlexLichter

dev: apply __toCommonJS interop when CJS requires ESM in HMR finalizer (#9261) by @h-a-n-a

6dc Refactor

ecma_ast: tighten allocator access to enforce Sync invariant (#9278) by @IWANABETHATGUY

scan_stage: remove stmt_infos field from EcmaView (#9276) by @IWANABETHATGUY

link_stage: detach stmt_infos from EcmaView (#9274) by @IWANABETHATGUY

link_stage: detach depended_runtime_helper from EcmaView to remove unsafe (#9265) by @IWANABETHATGUY

link_stage: remove unsafe in determine_module_exports_kind (#9253) by @IWANABETHATGUY

4da Documentation

getting-started: remove RC warning for 1.0.0 release (#9310) by @shulaoda

getting-started: update version references for 1.0.0 release (#9309) by @shulaoda

add Vite+ tab to getting-started snippets (#9285) by @shulaoda

lazy-barrel: clarify own-exports behavior for import-then-export records (#9298) by @shulaoda

restructure top navigation around Learn vs Reference (#9284) by @shulaoda

builtin-plugins: add bundle analyzer plugin docs (#9292) by @shulaoda

design doc for reference_needed_symbols (#9264) by @IWANABETHATGUY

4a8 Performance

devtools: write logs on a background thread (#9219) by @IWANABETHATGUY

699 Miscellaneous Tasks

mark esbuild/ts/parameter_props_use_define_for_class_fields_true as passed (#9308) by @sapp-hi-red

deps: upgrade oxc to 0.129.0 (#9297) by @shulaoda

deps: update rollup submodule for tests to v4.60.3 (#9294) by @sapp-hi-red

deps: update test262 submodule for tests (#9295) by @sapp-hi-red

ai: add rolldown REPL decode skill (#9245) by @Dunqing

764 New Contributors

@thezzisu made their first contribution in #9101

@fpotter made their first contribution in #9086

@jaehafe made their first contribution in #9071

@privatenumber made their first contribution in #8993

Original source
Apr 29, 2026
- Date parsed from source:
  Apr 29, 2026
- First seen by Releasebot:
  May 1, 2026
Rolldown

[1.0.0-rc.18] - 2026-04-29

Rolldown ships a release with a breaking optimization change for inlineConst mode, plus bug fixes that improve HMR, chunk optimization, import glob handling, and deadlock prevention. The update also includes refactors, documentation cleanups, and dependency upgrades.
BREAKING CHANGES

optimization: default unspecified inlineConst.mode to smart (#9248) by @IWANABETHATGUY

Bug Fixes

rolldown_plugin_vite_import_glob: return error instead of panicking when virtual module uses a relative glob (#9241) by @shulaoda

binding: treat empty inlineConst object as omitted (#9247) by @IWANABETHATGUY

rolldown: keep enum declaration for optional-chain access (#9229) by @Dunqing

link_stage: restore inline let-else in exports-kind filter (#9237) by @IWANABETHATGUY

dev/lazy: avoid module reinitialization in lazy compilation patches (#9179) by @h-a-n-a

dev: visit identifier references for runtime rewrites in HMR finalizer (#9191) by @h-a-n-a

chunk-optimizer: pick dominator for runtime placement to avoid cycles (#9164) by @IWANABETHATGUY

make this.emitFile chunk path synchronous to avoid deadlock (#9031) by @lazarv

use sentinel id for browser: false ignored modules (#9192) by @shulaoda

prevent chunk optimizer from creating import cycles (#9228) by @IWANABETHATGUY

Refactor

replace tokio::sync::Mutex with std::sync::Mutex for non-IO data (#9176) by @shulaoda

rolldown_plugin_vite_import_glob: do not rewrite import path for absolute base (#9195) by @shulaoda

runtime_helper: wrap DependedRuntimeHelperMap in a struct (#9215) by @IWANABETHATGUY

drop redundant clear() in determine_safely_merge_cjs_ns (#9206) by @IWANABETHATGUY

clean up generate_lazy_export (#9208) by @IWANABETHATGUY

bitset: return bool from set_bit to fuse guard-and-set (#9207) by @IWANABETHATGUY

link_stage: simplify exports-kind filter and clarify safety comments (#9205) by @IWANABETHATGUY

Documentation

determine_module_exports_kind (#9252) by @IWANABETHATGUY

fix dead link to esbuild ESM/CJS interop tests (#9230) by @Copilot

remove CSS bundling references (#9234) by @shulaoda

correct IncrementalFullBuild row in BundleMode table (#9214) by @IWANABETHATGUY

design: add bundler data lifecycle design doc (#9212) by @hyf0

remove minifier alpha status notices (#9202) by @sapphi-red

Miscellaneous Tasks

upgrade oxc to 0.128.0 (#9260) by @shulaoda

deps: bump rolldown-ariadne to 0.6.0 (#9254) by @IWANABETHATGUY

deps: update github actions (#9259) by @renovate[bot]

deps: update github actions (#9258) by @renovate[bot]

remove renovate overrides (#9257) by @Boshen

use ubuntu-latest for security workflow (#9256) by @Boshen

notify Discord around release publish (#9251) by @Boshen

add release environment to npm publish workflow (#9250) by @Boshen

justfile: drop the -- separator before forwarded args in vp run (#9246) by @shulaoda

deps: update test262 submodule for tests (#9243) by @sapphi-red

add more tracing instrumentations (#9220) by @sapphi-red

rolldown_plugin_vite_import_glob: remove outdated sourcemap doc comment (#9213) by @shulaoda

update security workflow (#9201) by @Boshen

New Contributors

@lazarv made their first contribution in #9031

Original source
Apr 22, 2026
- Date parsed from source:
  Apr 22, 2026
- First seen by Releasebot:
  Apr 22, 2026
Rolldown

[1.0.0-rc.17] - 2026-04-22

Rolldown ships a release focused on bug fixes, performance, and developer experience, including HMR export handling, resolver fixes, plugin import glob behavior, and fewer circular dependency false positives, plus updated docs, tests, and dependency refreshes.
🐛 Bug Fixes

link: error on missing export between TS modules (#9197) by @IWANABETHATGUY

rolldown_plugin_vite_import_glob: import path should not be affected by absolute base option (#9145) by @kermanx

this.resolve() returns null for bare relative paths without importer (#9142) by @Copilot

collect destructured bindings in HMR module exports (#9146) by @h-a-n-a

esbuild-tests: handle 0.28.0 test cases (#9149) by @sapphi-red

plugin/copy-module: honor external resolutions from other plugins (#9139) by @TheAlexLichter

allow undefined in sourcesContent type (#9136) by @jurijzahn8019

reduce false positives in chunk optimizer circular dependency detection (#9049) by @AlonMiz

🚜 Refactor

chunk-optimizer: extract runtime-module placement into rehome_runtime_module (#9163) by @IWANABETHATGUY

📚 Documentation

add design doc for sort_modules execution ordering (#9169) by @IWANABETHATGUY

add document for RenderedModule (#9147) by @sapphi-red

⚡ Performance

rolldown_plugin_vite_import_glob: skip self-import earlier using raw path comparison (#9193) by @shulaoda

🧪 Testing

lazy: add playground/lazy-compilation (#7974) by @hyf0

⚙️ Miscellaneous Tasks

use app token for release PR (#9198) by @Boshen

upgrade oxc to 0.127.0 (#9194) by @Dunqing

use oxc security action (#9196) by @Boshen

esbuild-tests: remove some tests from ignored list as enum inline is now supported (#9184) by @sapphi-red

deps: update dependency vite-plus to v0.1.19 (#9183) by @renovate[bot]

use vp instead of pnpm in check-wasi-binding-deps (#9182) by @shulaoda

verify wasm32-wasi binding deps match @rolldown/browser before publish (#9162) by @shulaoda

deps: update esbuild for tests to 0.28.0 (#9172) by @sapphi-red

deps: update rollup submodule for tests to v4.60.2 (#9173) by @sapphi-red

deps: update test262 submodule for tests (#9174) by @sapphi-red

sort_modules: fix stale async-entry sort key comment (#9170) by @IWANABETHATGUY

deps: update npm packages (#9157) by @renovate[bot]

deps: update dependency diff to v9 (#9158) by @renovate[bot]

deps: update rust crates (#9156) by @renovate[bot]

run Windows CI on PRs labeled with ci: windows (#9153) by @hyf0

update-test-dependencies: run setup-rust before file changes (#9151) by @sapphi-red

deps: update dependency rust to v1.95.0 (#9140) by @renovate[bot]

❤️ New Contributors

@jurijzahn8019 made their first contribution in #9136

@AlonMiz made their first contribution in #9049

Original source
Apr 16, 2026
- Date parsed from source:
  Apr 16, 2026
- First seen by Releasebot:
  Apr 17, 2026
Rolldown

[1.0.0-rc.16] - 2026-04-16

Rolldown adds const enum cross-module inlining and a new module tagging system for code splitting, while improving chunk handling, top-level await errors, side-effect checks, diagnostics, and performance across bundling and plugins.
🚀 Features

const enum cross-module inlining support (#8796) by @Dunqing

implement module tagging system for code splitting (#9045) by @hyf0

🐛 Bug Fixes

rolldown_plugin_vite_manifest: handle duplicate chunk names for CSS entries (#9059) by @sapphi-red

improve error message for invalid return values in function options (#9125) by @shulaoda

await async export-star init wrappers (#9101) by @thezzisu

never panic during diagnostic emission (#9091) by @IWANABETHATGUY

include array rest pattern in binding_identifiers (#9112) by @IWANABETHATGUY

rolldown: set worker thread count with ROLDOWN_WORKER_THREADS (#9086) by @fpotter

rolldown_plugin_lazy_compilation: escape request ID in proxy modules (#9102) by @h-a-n-a

treat namespace member access as side-effect-free (#9099) by @IWANABETHATGUY

relax overly conservative side-effect leak check in chunk optimizer (#9085) by @IWANABETHATGUY

runtime: release cb reference after __commonJS factory initialization (#9067) by @hyf0-agent

@__NO_SIDE_EFFECTS__ wrapper should not remove dynamic imports (#9075) by @IWANABETHATGUY

rolldown_plugin_vite_import_glob: use POSIX path join/normalize for glob resolution (#9077) by @shulaoda

emit REQUIRE_TLA error when require() loads a module with top-level await (#9071) by @jaehafe

emit namespace declaration for empty modules in manual chunks (#8993) by @privatenumber

rolldown_plugin_vite_import_glob: keep common base on path segment boundary (#9070) by @shulaoda

prevent circular runtime helper imports during facade elimination (#8989) (#9057) by @IWANABETHATGUY

correct circular dependency check in facade elimination (#9047) by @h-a-n-a

docs: correct dead link in CodeSplittingGroup.tags JSDoc (#9051) by @hyf0

emit DUPLICATE_SHEBANG warning when banner contains shebang (#9026) by @IWANABETHATGUY

🚜 Refactor

use semantic reference flags for member write detection (#9060) by @Dunqing

extract UsedSymbolRefs newtype wrapper (#9130) by @IWANABETHATGUY

dedupe await wrapping in export-star init emit (#9119) by @IWANABETHATGUY

calculate side-effect-free function symbols on demand (#9120) by @IWANABETHATGUY

extract duplicated top-level await handling into shared helper (#9087) by @IWANABETHATGUY

rolldown_plugin_vite_import_glob: use split_first for get_common_base (#9069) by @shulaoda

simplify ESM init deduplication with idiomatic insert check (#9044) by @IWANABETHATGUY

📚 Documentation

document runtime module placement strategy in code-splitting design (#9062) by @IWANABETHATGUY

clarify options hook behavior difference with Rollup in watch mode (#9053) by @sapphi-red

meta/design: introduce module tags (#9017) by @hyf0

⚡ Performance

convert generate_transitive_esm_init to iterative (#9046) by @IWANABETHATGUY

🧪 Testing

merge strict/non_strict test variants using configVariants (#9089) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

disable Renovate auto-updates for oxc packages (#9129) by @IWANABETHATGUY

upgrade [email protected] (#9127) by @Dunqing

deps: update napi to v3.8.5 (#9126) by @renovate[bot]

deps: update dependency @napi-rs/cli to v3.6.2 (#9123) by @renovate[bot]

move lazy-compilation design doc (#9117) by @h-a-n-a

deps: update dependency vite-plus to v0.1.18 (#9118) by @renovate[bot]

deps: update dependency vite-plus to v0.1.17 (#9113) by @renovate[bot]

deps: update oxc to v0.125.0 (#9094) by @renovate[bot]

deps: update dependency follow-redirects to v1.16.0 [security] (#9103) by @renovate[bot]

deps: update test262 submodule for tests (#9097) by @sapphi-red

deps: update crate-ci/typos action to v1.45.1 (#9096) by @renovate[bot]

deps: update rust crates (#9081) by @renovate[bot]

deps: update npm packages (#9080) by @renovate[bot]

remove outdated TODO in determine_module_exports_kind (#9072) by @jaehafe

rust/test: support extendedTests: false shorthand in test config (#9050) by @hyf0

ci: extract shared infra-changes anchor in path filters (#9054) by @hyf0

add docs build check to catch dead links in PRs (#9052) by @hyf0

❤️ New Contributors

@thezzisu made their first contribution in #9101

@fpotter made their first contribution in #9086

@jaehafe made their first contribution in #9071

@privatenumber made their first contribution in #8993

Original source
Apr 9, 2026
- Date parsed from source:
  Apr 9, 2026
- First seen by Releasebot:
  Apr 9, 2026
Rolldown

[1.0.0-rc.15] - 2026-04-09

Rolldown fixes a stack overflow in generate_transitive_esm_init for circular dependencies and renames Spec-Driven Development to Context Engineering.
🐛 Bug Fixes

prevent stack overflow in generate_transitive_esm_init on circular dependencies (#9041) by @shulaoda

🚜 Refactor

agents: rename Spec-Driven Development to Context Engineering (#9036) by @hyf0

Original source
Apr 8, 2026
- Date parsed from source:
  Apr 8, 2026
- First seen by Releasebot:
  Apr 8, 2026
Rolldown

[1.0.0-rc.14] - 2026-04-08

Rolldown adds new Rust and CJS handling improvements, including a panic-hook opt out, inlineConst support for CJS exports, and better IIFE/UMD wrapping. It also fixes alias paths, symlink scanning, tree shaking, and stale export inlining for steadier builds.
🚀 Features

rust: add disable_panic_hook feature to disable the panic hook (#9023) by @sapphi-red

support inlineConst for CJS exports accessed through module.exports (#8976) by @h-a-n-a

🐛 Bug Fixes

rolldown_plugin_vite_import_glob: normalize resolved alias path to prevent double slashes (#9032) by @shulaoda

rolldown_plugin_vite_import_glob: follow symlinks in file scanning (#9000) by @Copilot

wrap CJS entry modules for IIFE/UMD when using exports/module (#8999) by @IWANABETHATGUY

emit separate __toESM bindings for mixed ESM/CJS external imports (#8987) by @IWANABETHATGUY

tree-shake dead dynamic imports to side-effect-free CJS modules (#8529) by @sapphi-red

skip inlining stale CJS export constants on module.exports reassignment (#8990) by @IWANABETHATGUY

🚜 Refactor

generator: migrate ecma formatting from npx oxfmt to vp fmt (#9022) by @shulaoda

generator: replace npx oxfmt with vp fmt for ecma formatting (#9021) by @shulaoda

📚 Documentation

contrib-guide: mention that running tests on older Node.js version will have different stat results (#8996) by @Claude

⚙️ Miscellaneous Tasks

deps: update npm packages (#9002) by @renovate[bot]

deps: update dependency @napi-rs/cli to v3.6.1 (#9034) by @renovate[bot]

deps: upgrade oxc to 0.124.0 (#9018) by @shulaoda

deps: update test262 submodule for tests (#9010) by @sapphi-red

deps: update dependency oxfmt to ^0.44.0 (#9012) by @renovate[bot]

deps: update dependency vite to v8.0.5 [security] (#9009) by @renovate[bot]

deps: update dependency vite-plus to v0.1.16 (#9008) by @renovate[bot]

deps: update rust crates (#9003) by @renovate[bot]

deps: update github-actions (#9004) by @renovate[bot]

deps: update dependency lodash-es to v4.18.1 [security] (#8992) by @renovate[bot]

deps: update crate-ci/typos action to v1.45.0 (#8988) by @renovate[bot]

upgrade oxc npm packages to 0.123.0 (#8985) by @shulaoda

◀️ Revert

"chore(deps): update dependency oxfmt to ^0.44.0 (#9012)" (#9019) by @shulaoda

❤️ New Contributors

@Claude made their first contribution in #8996

Original source
Apr 1, 2026
- Date parsed from source:
  Apr 1, 2026
- First seen by Releasebot:
  Apr 1, 2026
Rolldown

[1.0.0-rc.13] - 2026-04-01

Rolldown adds friendlier error messages for unloadable virtual modules and unsupported CSS, while improving chunking, tree-shaking, re-exports, glob imports, and watch rebuild behavior. It also includes docs, tests, dependency updates, and build maintenance.
🚀 Features

add friendly error for unloadable virtual modules (#8955) by @sapphi-red

better error message for unsupported CSS error (#8911) by @sapphi-red

🐛 Bug Fixes

prevent chunk merging from leaking entry side effects (#8979) by @IWANABETHATGUY

correct inlining based on module's def format and esModule flag (#8975) by @h-a-n-a

generate init calls for excluded re-exports in strict execution order (#8858) by @IWANABETHATGUY

consistent order for meta.chunks in renderChunk hook (#8956) by @sapphi-red

subpath imports in glob imports failing to find files (#8885) by @kalvenschraut

browser: bundle binding types in dts output (#8930) by @nyan-left

ci: guard artifact download step in vite-test-ubuntu when build is skipped (#8934) by @Copilot

track CJS re-export import records to fix inline const and tree-shaking (#8925) by @h-a-n-a

use ImportKind::Import for common-chunk root computation (#8899) by @IWANABETHATGUY

watch: clear emitted_filenames between rebuilds (#8914) by @IWANABETHATGUY

ci: cache esbuild snapshots to avoid 429 rate limiting (#8921) by @IWANABETHATGUY

always check circular deps in chunk optimizer (#8915) by @IWANABETHATGUY

don't mark calls to reassigned bindings as pure (#8917) by @IWANABETHATGUY

magic-string: throw TypeError for non-string content args (#8905) by @IWANABETHATGUY

magic-string: add split-point validation and overwrite/update options (#8904) by @IWANABETHATGUY

🚜 Refactor

pre-compute has_side_effects on ChunkCandidate (#8981) by @IWANABETHATGUY

cleanup and simplify in dynamic_import.rs (#8927) by @ulrichstark

rename came_from_cjs to came_from_commonjs for consistency (#8938) by @IWANABETHATGUY

inline create_ecma_view return destructuring and remove redundant binding (#8932) by @shulaoda

📚 Documentation

document ensure_lazy_module_initialization_order in code-splitting design doc (#8931) by @IWANABETHATGUY

🧪 Testing

add regression test for runtime helper circular dependency (#8958) by @h-a-n-a

enable 8 previously-skipped MagicString remove tests (#8945) by @IWANABETHATGUY

add test for why PureAnnotation is needed in execution order check (#8933) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

add @emnapi/runtime and @emnapi/core as direct deps of @rolldown/browser (#8978) by @Copilot

deps: update dependency vite-plus to v0.1.15 (#8970) by @renovate[bot]

deps: update dependency oxfmt to ^0.43.0 (#8969) by @renovate[bot]

deps: upgrade oxc to 0.123.0 (#8967) by @shulaoda

justfile: deduplicate update-submodule as alias of setup-submodule (#8968) by @shulaoda

deps: update rollup submodule for tests to v4.60.1 (#8965) by @sapphi-red

deps: update test262 submodule for tests (#8966) by @sapphi-red

remove unused type-check scripts (#8957) by @sapphi-red

deps: update actions/cache action to v5 (#8953) by @renovate[bot]

deps: update npm packages to v6 (major) (#8954) by @renovate[bot]

deps: update npm packages (#8948) by @renovate[bot]

deps: update rust crates (#8949) by @renovate[bot]

deps: update github-actions (#8947) by @renovate[bot]

deps: update napi (#8943) by @renovate[bot]

deps: update dependency rolldown-plugin-dts to ^0.23.0 (#8944) by @renovate[bot]

regenerate testing snapshots (#8928) by @ulrichstark

deps: update dependency rust to v1.94.1 (#8923) by @renovate[bot]

❤️ New Contributors

@kalvenschraut made their first contribution in #8885

@nyan-left made their first contribution in #8930

Original source
Mar 25, 2026
- Date parsed from source:
  Mar 25, 2026
- First seen by Releasebot:
  Mar 26, 2026
Rolldown

[1.0.0-rc.12] - 2026-03-25

Rolldown ships performance and reliability updates with chunk optimizer improvements, better watch mode warnings, fixes for CJS init order and non-deterministic chunk generation, plus treeshake refactoring and test stability work.
🚀 Features

chunk-optimizer: skip circular dependency check when strict execution order is enabled (#8886) by @hyf0

🐛 Bug Fixes

emit build warnings during watch mode rebuilds (#8897) by @IWANABETHATGUY

lazy-barrel: load import-then-export specifiers when barrel has local exports (#8895) by @shulaoda

correct execution order of transferred CJS init calls (#8877) by @IWANABETHATGUY

mcs: entriesAware should calculate sizes without duplication (#8887) by @hyf0

non-deterministic chunk generation (#8882) by @sapphi-red

is_top_level incorrectly treats strict-mode scopes as top-level (#8878) by @Dunqing

🚜 Refactor

treeshake: migrate SideEffectDetector to Oxc's MayHaveSideEffects trait (#8624) by @Dunqing

🧪 Testing

make dev server tests deterministic by replacing fixed sleeps with event-driven polling (#8561) by @Boshen

⚙️ Miscellaneous Tasks

deps: update dependency vite-plus to v0.1.14 (#8902) by @camc314

deps: update dependency oxfmt to ^0.42.0 (#8891) by @renovate[bot]

deps: update rust crate oxc_sourcemap to v6.1.1 (#8890) by @renovate[bot]

remove Rolldown MF plan (#8883) by @shulaoda

deps: update rollup submodule for tests to v4.60.0 (#8881) by @sapphi-red

deps: update test262 submodule for tests (#8880) by @sapphi-red

deps: upgrade oxc crates to 0.122.0 (#8879) by @shulaoda

Original source
Mar 23, 2026
- Date parsed from source:
  Mar 23, 2026
- First seen by Releasebot:
  Mar 23, 2026
Rolldown

[1.0.0-rc.11] - 2026-03-23

Rolldown ships MagicString and sourcemap upgrades, with regex replace support, ignore list handling, and improved source map exclusions. It also brings bug fixes, performance gains, TypeScript cleanup, and broader cross-platform testing and documentation polish.
🚀 Features

magicString replace with regex (#8802) by @IWANABETHATGUY

support output.sourcemapExcludeSources option (#8828) by @sapphi-red

support getIndentString in MagicString (#8775) by @IWANABETHATGUY

MagicString ignoreList support (#8773) by @IWANABETHATGUY

🐛 Bug Fixes

forward test filters through vp run (#8870) by @younggglcy

types: remove pluginName from MinimalPluginContext (#8864) by @sapphi-red

do not report eval?.() as direct eval (#8860) by @IWANABETHATGUY

handle negative indices, overlapping ranges, and moved content in MagicString remove (#8829) by @IWANABETHATGUY

enable arbitrary_precision for serde_json to fix JSON float parsing (#8848) by @elderapo

resolve TypeScript lint errors (#8841) by @Boshen

avoid panic on multi-byte UTF-8 chars in hash placeholder iterator (#8790) by @shulaoda

ci: skip failing vite build watch raw query test (#8840) by @Boshen

ci: use step-level env override to unset VITE_PLUS_CLI_BIN in vite tests (#8838) by @Boshen

ci: move vite tests into CI workflow by @Boshen

ci: unset all VITE_PLUS_* env vars in vite-tests workflow (#8837) by @Boshen

test: skip watch CLI tests on Windows (#8830) by @Boshen

ci: unset VITE_PLUS_CLI_BIN in vite-tests workflow (#8832) by @Boshen

remove redundant bare side-effect imports in entry/facade chunks (#8804) by @h-a-n-a

magicString prepend issues (#8797) by @IWANABETHATGUY

ci: use vpx instead of vp exec for pkg-pr-new (#8827) by @Boshen

set order for callable plugins (#8815) by @sapphi-red

handle reversed slice ranges with moved content (#8750) by @IWANABETHATGUY

update emnapi to latest to avoid version mismatch (#8781) by @sapphi-red

external.md on Windows OS (#8780) by @bddjr

align MagicString length/isEmpty with reference magic-string (#8776) by @IWANABETHATGUY

🚜 Refactor

extract canonical_ref_resolving_namespace helper (#8836) by @Boshen

📚 Documentation

improve external examples for cross-platform correctness (#8786) by @hyf0-agent

update reference to transform function in plugin API documentation (#8778) by @zOadT

⚡ Performance

reduce timing of dervie_entries_aware_chunk_name (#8847) by @AliceLanniste

bench: remove redundant sourcemap benchmark cases (#8825) by @Boshen

reduce intermediate allocations in collapse_sourcemaps (#8821) by @Boshen

enable parallel AST cloning on macOS (#8814) by @Boshen

🧪 Testing

watch: use polling watcher and retry for watch error test (#8772) by @sapphi-red

⚙️ Miscellaneous Tasks

deps: update dependency @oxc-project/types to v0.122.0 (#8873) by @renovate[bot]

publish-to-npm: use correct vp pm publish (#8871) by @shulaoda

justfile: skip setup-vite-plus if vp is already installed (#8862) by @Boshen

add expectWarning option to test config (#8861) by @IWANABETHATGUY

justfile: support windows for just setup (#8846) by @AliceLanniste

deps: update rust crates (#8852) by @renovate[bot]

deps: update endbug/version-check action to v3 (#8855) by @renovate[bot]

deps: update github-actions (#8853) by @renovate[bot]

deps: update dependency vitepress to v2.0.0-alpha.17 (#8854) by @renovate[bot]

deps: update npm packages (#8851) by @renovate[bot]

bench: use mimalloc as global allocator in bench crate (#8844) by @IWANABETHATGUY

reuse native build artifact in node-validation job (#8826) by @Boshen

speed up CodSpeed benchmark build by disabling LTO (#8824) by @Boshen

remove redundant critcmp benchmark job (#8823) by @Boshen

deps: update rust crate oxc_sourcemap to v6.1.0 (#8785) by @renovate[bot]

node: migrate oxlint and oxfmt to Vite+ (#8813) by @Boshen

revert namespace runners for release build jobs (#8820) by @Boshen

migrate runners to namespace (#8819) by @Boshen

test: relax test utils path assertion to support git worktrees (#8816) by @younggglcy

rename examples/lazy to examples/lazy-compilation (#8789) by @shulaoda

improve "needs reproduction" wording by @Boshen

deps: update dependency oxlint-tsgolint to v0.17.1 (#8807) by @renovate[bot]

enable 7 previously-skipped MagicString tests (#8771) by @IWANABETHATGUY

upgrade oxc to 0.121.0 (#8784) by @shulaoda

increase Windows dev drive size from 12GB to 20GB (#8779) by @Copilot

❤️ New Contributors

@younggglcy made their first contribution in #8870

@elderapo made their first contribution in #8848

@bddjr made their first contribution in #8780

@zOadT made their first contribution in #8778

Original source
Mar 18, 2026
- Date parsed from source:
  Mar 18, 2026
- First seen by Releasebot:
  Mar 19, 2026
- Modified by Releasebot:
  Mar 23, 2026
Rolldown

[1.0.0-rc.10] - 2026-03-18

Rolldown ships bug fixes, performance tuning, and developer-facing improvements, including a new MagicString indent exclusion option, exposed oxcRuntimePlugin, better dynamic import handling, and watch mode and Windows path fixes.
🚀 Features

add indentExclusionRanges property to MagicString (#8746) by @IWANABETHATGUY

expose oxcRuntimePlugin (#8654) by @sapphi-red

rust: make bundler generic over FileSystem for in-memory benchmarks (#8652) by @Boshen

🐛 Bug Fixes

rolldown_plugin_vite_dynamic_import_vars: align dynamic import fast check with Vite (#8760) by @shulaoda

renamer: handle existing bindings in nested scopes when finding unique names (#8741) by @drewolson

pass yarn_pnp option where needed (#8736) by @sapphi-red

preserve optional chaining in namespace member expr rewrite (#8712) by @Copilot

correct UTF-16 index handling in native MagicString (#8693) by @IWANABETHATGUY

mark failing doctests as ignore (#8700) by @Boshen

prevent may_partial_namespace from leaking through include_module (#8682) by @IWANABETHATGUY

ci: bump native-build cache key to invalidate stale napi-rs artifacts (#8678) by @Boshen

comments.annotation: false breaking tree-shaking (#8657) by @IWANABETHATGUY

validate filenames for NUL bytes from chunkFileNames/entryFileNames (#8644) by @IWANABETHATGUY

dce-only minify should not set NODE_ENV to production (#8651) by @IWANABETHATGUY

🚜 Refactor

rust: remove dead CrossModuleOptimizationConfig::side_effects_free_function_optimization (#8673) by @Dunqing

rust: simplify cross_module_optimization by removing redundant scope tracking (#8672) by @Dunqing

simplify string repeat in guess_indentor (#8753) by @IWANABETHATGUY

consolidate custom magic-string tests into one file (#8696) by @IWANABETHATGUY

extract CJS bailout checks from include_symbol (#8683) by @IWANABETHATGUY

rust: remove BindingIdentifierExt to use BindingIdentifier::symbol_id() instead (#8667) by @Dunqing

bench: add bench_preset helper and inline presets (#8658) by @Boshen

rust: filter external modules from entries instead of mapping bit positions (#8637) by @Dunqing

📚 Documentation

clarify watch mode behavior and its limitations (#8751) by @sapphi-red

add external link icon to GitHub button in Hero section (#8731) by @thisisnkc

guide: clarify that inject option is only conceptually similar to esbuild's one (#8743) by @sapphi-red

meta/design: add devtools.md (#8663) by @hyf0

add viteplus alpha announcement banner (#8668) by @shulaoda

⚡ Performance

rolldown: some minor perf optimization found by autoresearch (#8730) by @Brooooooklyn

replace Vec allocation with lazy iterator in find_hash_placeholders (#8703) by @Boshen

replace TypedDashMap with TypedMap in CustomField (#8708) by @Boshen

bench: remove scan benchmark binary to halve LTO link time (#8694) by @Boshen

🧪 Testing

watch: increase timeout for error output (#8766) by @sapphi-red

vite-tests: remove JS plugin tests (#8767) by @sapphi-red

watch: add CLI exit code test (#8752) by @sapphi-red

normalize paths on Windows even if resolve.symlinks is false (#8483) by @sapphi-red

⚙️ Miscellaneous Tasks

correct comment in bundle-analyzer-plugin.ts (#8770) by @origami-z

upgrade oxc to 0.120.0 (#8764) by @Boshen

enable all test for reset category in MagicString.test.ts (#8749) by @IWANABETHATGUY

deps: update test262 submodule for tests (#8742) by @sapphi-red

deps: update oxc apps (#8734) by @renovate[bot]

deps: update softprops/action-gh-release action to v2.6.1 (#8724) by @renovate[bot]

deps: update npm packages (major) (#8722) by @renovate[bot]

deps: update github-actions (major) (#8721) by @renovate[bot]

deps: update softprops/action-gh-release action to v2.6.0 (#8720) by @renovate[bot]

deps: update npm packages (#8718) by @renovate[bot]

bench: use mimalloc as global allocator in bench crate (#8844) by @IWANABETHATGUY

reuse native build artifact in node-validation job (#8826) by @Boshen

speed up CodSpeed benchmark build by disabling LTO (#8824) by @Boshen

remove redundant critcmp benchmark job (#8823) by @Boshen

deps: update rust crate oxc_sourcemap to v6.1.0 (#8785) by @renovate[bot]

node: migrate oxlint and oxfmt to Vite+ (#8813) by @Boshen

revert namespace runners for release build jobs (#8820) by @Boshen

migrate runners to namespace (#8819) by @Boshen

test: relax test utils path assertion to support git worktrees (#8816) by @younggglcy

rename examples/lazy to examples/lazy-compilation (#8789) by @shulaoda

improve "needs reproduction" wording by @Boshen

deps: update dependency oxlint-tsgolint to v0.17.1 (#8807) by @renovate[bot]

enable 7 previously-skipped MagicString tests (#8771) by @IWANABETHATGUY

upgrade oxc to 0.121.0 (#8784) by @shulaoda

increase Windows dev drive size from 12GB to 20GB (#8779) by @Copilot

❤️ New Contributors

@origami-z made their first contribution in #8770

@drewolson made their first contribution in #8741

@thisisnkc made their first contribution in #8731

Original source
Mar 11, 2026
- Date parsed from source:
  Mar 11, 2026
- First seen by Releasebot:
  Mar 11, 2026
Rolldown

[1.0.0-rc.9] - 2026-03-11

Rolldown unveils a broad update with a breaking change renaming BindingMagicString to RolldownMagicString, adds isRolldownMagicString detection, and brings CLI alignment, performance tweaks, bug fixes, refactors, docs, and CI improvements across the project.
💥 BREAKING CHANGES

rename exported BindingMagicString to RolldownMagicString (#8626) by @IWANABETHATGUY

🚀 Features

rolldown: add isRolldownMagicString property for reliable native detection (#8614) by @IWANABETHATGUY

cli: align object type with rollup (#8598) by @h-a-n-a

🐛 Bug Fixes

rust: circular inter-chunk imports when external dynamic imports exist (#8596) by @Dunqing

update minify default docs from false to 'dce-only' (#8620) by @shulaoda

💼 Other

fix early exit in script build-node (#8617) by @h-a-n-a

🚜 Refactor

binding: remove outdated TODO comment in MagicString to_string() (#8613) by @IWANABETHATGUY

📚 Documentation

add viteplus alpha announcement banner (#8615) by @mdong1909

update VitePress theme to 4.8.2 for narrow-screen layout regression (#8612) by @Copilot

⚡ Performance

merge 4 integration test binaries into 1 (#8610) by @Boshen

🧪 Testing

replace heavy filename_with_hash test with targeted hash fixtures (#8597) by @Boshen

⚙️ Miscellaneous Tasks

ci: remove redundant --no-run build step from cargo-test (#8623) by @Boshen

rust: use cargo-shear to toggle Cargo.toml [lib] test = bool (#8622) by @Boshen

deps: update test262 submodule for tests (#8611) by @sapphi-red

skip macOS CI jobs on pull requests (#8608) by @Copilot

add rust cache to repo validation job (#8607) by @Boshen

skip running empty bin test targets (#8605) by @Boshen

skip building examples in cargo-test to reduce build time (#8603) by @Boshen

switch plain workflow checkouts to taiki-e action (#8601) by @Boshen

skip Windows CI jobs on PRs (#8600) by @Boshen

remove unused asset module (#8594) by @shulaoda

◀️ Revert

"docs: add viteplus alpha announcement banner (#8615)" (#8616) by @shulaoda

Original source
Mar 9, 2026
- Date parsed from source:
  Mar 9, 2026
- First seen by Releasebot:
  Mar 10, 2026
Rolldown

[1.0.0-rc.8] - 2026-03-09

Rolldown unveils a strengthened watch workflow with a full functional fs watcher in wasm and debounce options, plus improved devtools tracing and automatic rebuilds for missing files. The release includes refactors, performance tweaks, testing improvements, docs updates, and new contributors.
🚀 Features

watch: enable full functional fs watcher in wasm (#8575) by @hyf0

watch: expose debounce related options (#8572) by @hyf0

🐛 Bug Fixes

detect new URL(…, import.meta.url) with no-sub template literal (#8565) by @char

devtools: trace dynamic imports in devtools (#8581) by @cal-gooo

watch: rebuild when a previously missing file is created (#8562) by @hyf0-agent

watch: filter out Access events to prevent infinite rebuild loop on Linux (#8557) by @hyf0-agent

🚜 Refactor

watch: remove auto watch for fail imports (#8585) by @hyf0

fs_watcher: unify the way of constructing watcher (#8571) by @hyf0

cli: migrate CLI to CAC (#8551) by @h-a-n-a

switch asset module support from hard-code to builtin plugin (#8546) by @hyf0

📚 Documentation

fix subject-verb agreement in why-bundlers.md (#8591) by @brandonzylstra

maintenance: align release and canary workflow guide (#8538) by @minsoo-web

add format option to directives example config (#8590) by @shulaoda

fix: change twitter to x logo in team (#8552) by @mdong1909

correct composable filter support explanation (#8550) by @sapphi-red

⚡ Performance

testing: share tokio runtime across fixture tests (#8567) by @Boshen

🧪 Testing

hmr: fix infinite loop in dev server test retry logic (#8576) by @hyf0-agent

cli: add more cli-e2e test cases (#8548) by @h-a-n-a

⚙️ Miscellaneous Tasks

docs: update in-depth/directives for output.strict option (#8535) by @minsoo-web

add PNPM_HOME Dev Drive mapping to Windows CI workflows (#8589) by @Boshen

deps: update github-actions (#8588) by @renovate[bot]

move Windows cargo target dir to Dev Drive (#8586) by @Boshen

optimize cache keys to fix race conditions and reduce usage (#8578) by @Boshen

remove WASI build & test pipeline (#8580) by @Boshen

remove unnecessary submodule checkouts (#8577) by @Boshen

use Dev Drive for Windows CI jobs (#8574) by @Boshen

skip redundant native binding build for browser and remove standalone job (#8573) by @Boshen

parallelize Node tests on ubuntu, single Node 24 on macOS/windows (#8570) by @Boshen

docs: bump @voidzero-dev/vitepress-theme to 4.8.0 (#8558) by @crusty-voidzero

dedupe type-check from dev server workflow (#8554) by @Boshen

❤️ New Contributors

@brandonzylstra made their first contribution in #8591

@char made their first contribution in #8565

@cal-gooo made their first contribution in #8581

@hyf0-agent made their first contribution in #8562

@h-a-n-a made their first contribution in #8551

Original source

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Rolldown Release Notes

[1.0.3] - 2026-05-27

680 Features

42b Bug Fixes

6dc Refactor

4da Documentation

4a8 Performance

9ea Testing

699 Miscellaneous Tasks

764 New Contributors

[1.0.2] - 2026-05-20

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

❤️ New Contributors

[1.0.1] - 2026-05-13

Features

Bug Fixes

Refactor

Documentation

Performance

Testing

Miscellaneous Tasks

New Contributors

[1.0.0] - 2026-05-07

42b Bug Fixes

6dc Refactor

4da Documentation

4a8 Performance

699 Miscellaneous Tasks

764 New Contributors

[1.0.0-rc.18] - 2026-04-29

BREAKING CHANGES

Bug Fixes

Refactor

Documentation

Miscellaneous Tasks

New Contributors

[1.0.0-rc.17] - 2026-04-22

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

❤️ New Contributors

[1.0.0-rc.16] - 2026-04-16

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

❤️ New Contributors

[1.0.0-rc.15] - 2026-04-09

🐛 Bug Fixes

🚜 Refactor

[1.0.0-rc.14] - 2026-04-08

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

⚙️ Miscellaneous Tasks

◀️ Revert

❤️ New Contributors

[1.0.0-rc.13] - 2026-04-01

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

🧪 Testing

⚙️ Miscellaneous Tasks

❤️ New Contributors

[1.0.0-rc.12] - 2026-03-25

🚀 Features