npm · #1707 most downloaded on npm

rolldown

1.2.12402M downloads/morolldown/rolldown ↗New releases in your daily digest, changelog included.

Fast JavaScript/TypeScript bundler in Rust with Rollup-compatible API.

Last release 4 days ago
30 Sep 2026
Ships on a steady schedule
a new release about every 2 weeks
Most releases are documented
notes for 33 of 43 stable releases
29 versions withdrawn
withdrawn after publishing
10 years old
644 releases · first in 2017

Release timeline

644 releases since 2017

2017201920212023

Releases

1.2.1230 Sept 20263 sources agree
inline common chunks containing import() and deduplicate shared code in lazy chunks ( #11034 ) by @hyfdev
[1.2.12] - 2026-09-30

🚀 Features

inline common chunks containing import() and deduplicate shared code in lazy chunks (#11034) by @hyfdev

experimental inlineCommonChunks support (#10899) by @hyfdev

dev: ship imported bindings for HMR partial accept (#10856) by @h-a-n-a

🐛 Bug Fixes

chunking: re-derive chunk exec orders after the runtime leaves its host chunk (#11005) by @hyfdev

code-splitting: gate member-read init paths on the reading statement (#11039) by @hyfdev

code-splitting: retain initialization paths through re-exported namespaces (#11037) by @hyfdev

dev: reject non-ESM output formats in dev mode (#11038) by @h-a-n-a

dev: align import.meta.hot.accept deps with Vite (#10997) by @h-a-n-a

dev: clear the resolver cache when a file is created or deleted (#10986) by @waltuov

error: name the resolved specifier in unresolved import diagnostics (#11014) by @linyiru

make entries-aware chunk merging deterministic (#11002) by @hyfdev

watch: avoid restarting macOS watcher for unchanged paths (#10992) by @sep2

🚜 Refactor

dev: ship the dev runtime entry as one file (#10998) by @h-a-n-a

binding: remove __internalForcePanic (#10989) by @IWANABETHATGUY

📚 Documentation

fix cloudflare preview builds (#10996) by @sapphi-red

fix build config loader warning (#10994) by @sapphi-red

deps: use Vite 8 (#10993) by @sapphi-red

⚡ Performance

dev: only ship rows with dynamic edges in registerGraph (#11019) by @h-a-n-a

🧪 Testing

code-splitting: cover more re-exported namespace shapes (#11042) by @hyfdev

webcontainer: cover the WebContainer download fallback in plain Node (#10966) by @shulaoda

dev: pin the runtime entry file layout that Vite serves (#10983) by @h-a-n-a

⚙️ Miscellaneous Tasks

pin VOID_API_URL for the docs deploy (#11041) by @shulaoda

opt into the WebContainer smoke test for napi bumps and loader changes (#10967) by @shulaoda

deps: upgrade oxc to 0.152.0 (#11018) by @camc314

deps: update rust crates (#11012) by @renovate[bot]

deps: update npm packages (#11011) by @renovate[bot]

deps: update crate-ci/typos action to v1.50.3 (#11023) by @renovate[bot]

deps: update test262 submodule for tests (#11022) by @rolldown-guard[bot]

deps: update rollup submodule for tests to v4.63.5 (#11021) by @rolldown-guard[bot]

deps: update dependency vite-plus to v1 (#11017) by @renovate[bot]

deps: update github actions (#11010) by @renovate[bot]

remove CLAUDE.md (#10925) by @iiio2

verify release debug info by matching file IDs (#10988) by @IWANABETHATGUY

deps: update rollup submodule for tests to v4.63.4 (#10940) by @rolldown-guard[bot]

❤️ New Contributors

@waltuov made their first contribution in #10986

@linyiru made their first contribution in #11014

@sep2 made their first contribution in #10992

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

From the same repository

rolldown/rolldown

1.2.1023 Sept 2026Deprecated3 sources agree

add checks.bundlerTimings with deprecated pluginTimings alias ( #10883 ) by @IWANABETHATGUY

[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

Open source →

1.2.916 Sept 20263 sources agree

add MODULE_LEVEL_DIRECTIVE warning ( #10791 ) by @sapphi-red

[1.2.9] - 2026-09-16

🚀 Features

add MODULE_LEVEL_DIRECTIVE warning (#10791) by @sapphi-red

🐛 Bug Fixes

handle CommonJS exports through top-level this (#10872) by @IWANABETHATGUY
scripts: make setup-vite CLI invocation work on Windows (#10885) by @shulaoda
remove deleted property from output bundle proxy target (#10815) by @Vladexy88x
treat module-scope await using as top-level await (#10739) by @MarshallOfSound
watch: preserve plugin attribution in warnings (#10473) by @Nic-Polumeyv
test-dev-server: link the workspace rolldown before building vite (#10857) by @h-a-n-a
minify: preserve annotation comments when minified (#10854) (#10855) by @justonemorenight

⚡ Performance

dev/lazy: fetch a lazy route in one request (#10789) by @h-a-n-a
plugin: reduce binding binary size (#10776) by @Boshen
vite-reporter: reuse emitted sourcemap sizes (#10841) by @hyfdev

🧪 Testing

dev: full-bundle-mode regression test for cyclic import binding (#9946) (#9947) by @ShMcK
cover asset option callback timings (#10870) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

wait for npm bindings before publishing rolldown (#10866) by @shulaoda
deps: update dependency @napi-rs/cli to v3.10.1 (#10889) by @renovate[bot]
deps: update napi (#10888) by @renovate[bot]
compress debug info archives with zstd (#10778) by @IWANABETHATGUY
publish split debug info for release bindings (#10777) by @IWANABETHATGUY
rolldown_utils: simplify MIME guessing and remove UTF-8 check bypass (#10884) by @shulaoda
add npm bugs metadata for rolldown (#9694) by @kingshuaishuai
deps: upgrade oxc to 0.150.0 (#10877) by @camc314
deps: update rust crates (#10869) by @renovate[bot]
deps: update dependency vite-plus to v0.3.2 (#10878) by @renovate[bot]
deps: update rollup submodule for tests to v4.63.3 (#10880) by @rolldown-guard[bot]
deps: update test262 submodule for tests (#10881) by @rolldown-guard[bot]
deps: update github actions (#10867) by @renovate[bot]
deps: update npm packages (#10868) by @renovate[bot]
deps: update napi to v3.12.4 (#10862) by @renovate[bot]
deps: update napi (#10861) by @renovate[bot]

❤️ New Contributors

@Vladexy88x made their first contribution in #10815
@MarshallOfSound made their first contribution in #10739
@kingshuaishuai made their first contribution in #9694
@ShMcK made their first contribution in #9947
@justonemorenight made their first contribution in #10855

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

Open source →

1.2.626 Aug 20263 sources agree

minify: support property name mangling ( #10374 ) by @Dunqing

[1.2.6] - 2026-08-26

🚀 Features

minify: support property name mangling (#10374) by @Dunqing
add tsconfig: string option to transform (#10727) by @sapphi-red
rolldown_plugin_vite_transform: add tsconfig option (#10725) by @sapphi-red
rolldown_plugin_vite_resolve: add top-level tsconfig option (#10724) by @sapphi-red
dev: expose module graph queries on the dev engine handle (#10716) by @h-a-n-a

🐛 Bug Fixes

dev: assign import bindings before initializing dependencies (#10783) by @h-a-n-a
dev: copy star re-exports before initializing dependencies (#10761) by @h-a-n-a
dev: register an empty exports object for a module without exports (#10772) by @h-a-n-a
name the module when a codeSplitting group callback returns a wrong type (#10753) by @IWANABETHATGUY
dev: map dev rename events like build watch (#10758) by @shulaoda
clear resolution cache when TsconfigCache::clear is called (#10726) by @sapphi-red
dev: resolve in-flight ensureLatestBuildOutput when the engine closes (#10730) by @h-a-n-a
binding: replace undeclared BindingErrorsOr with BindingResult in hook types (#10717) by @h-a-n-a

🚜 Refactor

rolldown_fs_watcher: collapse fs-watcher backends behind a single FsWatcher (#10735) by @shulaoda
hoist invariants out of the codeSplitting group loop (#10744) by @IWANABETHATGUY

📚 Documentation

document shared notify rename mapping (#10759) by @shulaoda
update watch-mode internals for unified FsWatcher (#10736) by @shulaoda

⚡ Performance

batch codeSplitting group test / name calls (#10745) by @IWANABETHATGUY
deduplicate used symbol ref readers (#10742) by @Boshen
reduce release debug formatting (#10728) by @Boshen
enable compiler cache via module.enableCompileCache() (#10678) by @btea
deduplicate regress codegen (#10732) by @Boshen

🧪 Testing

define: add expected failure for default parameter scope (#10780) by @hyfdev
use an absolute filename for transform tsconfig path (#10782) by @shulaoda

⚙️ Miscellaneous Tasks

deps: upgrade oxc to 0.147.0 (#10767) by @camc314
deps: update resolver dependencies (#10766) by @Boshen
deps: update rollup submodule for tests to v4.62.5 (#10770) by @rolldown-guard[bot]
deps: update dependency vite-plus to ^0.3.0 (#10757) by @renovate[bot]
deps: update npm packages (#10750) by @renovate[bot]
deps: update rust crates (#10748) by @renovate[bot]
deps: update rust crate napi to v3.12.2 (#10738) by @renovate[bot]
deps: update dependency rust to v1.98.0 (#10733) by @renovate[bot]
wasi: cap each Node Test attempt with timeout to survive hangs (#10709) by @hyfdev

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

Open source →

1.2.519 Aug 20263 sources agree

bench: record per-suite peak memory in the node benchmark ( #10704 ) by @IWANABETHATGUY

[1.2.5] - 2026-08-19

🚀 Features

bench: record per-suite peak memory in the node benchmark (#10704) by @IWANABETHATGUY
binding: allocation-tracking global allocator behind the tracking_allocator feature (#10703) by @IWANABETHATGUY
add armv7 android (armv7-linux-androideabi) support (#10691) by @shulaoda
add NAMESPACE_CONFLICT warning for conflicting star re-exports (#7452) by @AliceLanniste

🐛 Bug Fixes

rolldown_plugin_vite_reporter: avoid ANSI erase-line escape in non-TTY output (#10692) by @shulaoda
rolldown_plugin_vite_resolve: preserve Yarn PnP virtual importer (#10591) by @Freakazo
exclude hash placeholders from case-insensitive filename deconfliction (#10590) by @Nic-Polumeyv
code-splitting: fold already-loaded side-effectful libraries into eager entries (#10645) by @JoviDeCroock
dev: flush re-emitted assets when their content changes (#10637) by @btea
renamer: rename nested require/__filename/__dirname bindings in CJS output (#10655) by @marcoroth
silence two wasm-only warnings (#10668) by @IWANABETHATGUY

🚜 Refactor

skip case folding for filenames with hash placeholders (#10689) by @hyfdev
code-splitting: remove redundant synthetic statement owner (#10503) by @hyfdev
renamer: move the cjs check into rename_bindings_shadowing_cjs_ambient_names (#10672) by @IWANABETHATGUY

📚 Documentation

agents: point the never-edit list at the binding files that exist (#10719) by @melbinjp

🧪 Testing

deconflict: pin renaming the external process binding away from the global (#10702) by @hyfdev
dev: expect a hot update across a circular import (#10700) by @hyfdev

⚙️ Miscellaneous Tasks

deps: upgrade oxc to 0.146.0 (#10707) by @Boshen
deps: update rust crates (#10684) by @renovate[bot]
deps: update npm packages (#10685) by @renovate[bot]
build the benchmark comparison window from the JSON lines (#10701) by @IWANABETHATGUY
wasi: retry the Node Test step to absorb the shared-dlmalloc flake (#10699) by @hyfdev
append benchmark results to storage as JSON lines (#10682) by @IWANABETHATGUY
deps: update github actions (#10683) by @renovate[bot]
deps: update dependency rolldown-plugin-dts to v0.28.2 (#10679) by @renovate[bot]
deps: update dependency rolldown-plugin-dts to v0.28.1 (#10674) by @renovate[bot]

❤️ New Contributors

@melbinjp made their first contribution in #10719
@Freakazo made their first contribution in #10591
@marcoroth made their first contribution in #10655

Open source →

1.2.23 Aug 20263 sources agree

code-splitting: support inlining of shared deps in dynamic entries ( #10526 ) by @nicolo-ribaudo

[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
@nicolo-ribaudo made their first contribution in #10526

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

Open source →

1.2.129 Jul 20263 sources agree

dev: support hotUpdate hook ( #10305 ) by @h-a-n-a

[1.2.1] - 2026-07-29

🚀 Features

dev: support hotUpdate hook (#10305) by @h-a-n-a
dev: expose disableWatcher through the dev engine bindings (#10474) by @shulaoda
plugin: surface output-option callbacks in [PLUGIN_TIMINGS] (#10411) by @IWANABETHATGUY
import.meta.ROLLDOWN_FILE_URL_<referenceId>_<urlId> support to pass context to resolveFileUrl hook (#10297) by @sapphi-red
dev: skip the HMR update when a module's rebuilt output is unchanged (#10333) by @h-a-n-a
code-splitting: wrap strict execution order modules on demand (#10104) by @hyfdev
support import.meta.ROLLDOWN_FILE_URL_* (#10296) by @sapphi-red
implement resolveFileUrl plugin hook (#10291) by @sapphi-red
magic-string: support storeName on overwrite/update (#10312) by @IWANABETHATGUY

🐛 Bug Fixes

external: keep __toESM when the importing module is tree-shaken (#10516) by @IWANABETHATGUY
dev: resolve re-exports from externals through a real import (#10489) by @tbvjaos510
code-splitting: route CJS barrel initialization per consumer (#10488) by @hyfdev
error: align filename-pattern diagnostics with Rollup's wording (#10501) by @IWANABETHATGUY
plugin: validate emitted prebuilt-chunk file names (#10399) by @IWANABETHATGUY
code-splitting: point a two-argument dynamic import at the chunk that holds the module (#10479) by @hyfdev
common: align is_path_fragment with Rollup's isPathFragment (#10398) by @IWANABETHATGUY
code-splitting: never name an internal chunk export then (#10480) by @hyfdev
code-splitting: avoid creating call-site-triggered entry facades (#10485) by @hyfdev
code-splitting: collect top-level eager order reasons in every strict build (#10463) by @hyfdev
code-splitting: let a cross-chunk dynamic importer carry the order trigger (#10456) by @hyfdev
code-splitting: avoid the dynamic-entry facade when the same-chunk collapse carries the trigger (#10433) by @hyfdev
binding: forward resolveId options.kind to callable builtin plugins (#10440) by @martijnwalraven
dev: keep the export name of export * as ns from (#10476) by @tbvjaos510
code-splitting: only split an entry facade when something else can load its chunk (#10441) by @hyfdev
code-splitting: fold the runtime chunk back after order lowering (#10414) by @hyfdev
runtime: don't leave default undefined for cjs that fakes __esModule (#10453) by @IWANABETHATGUY
import-glob: escape generated string literals (#10438) by @shantanuraj
preserve-modules: don't assume every chunk mirrors a module (#10442) by @hyfdev
filter: treat missing hook inputs as non-matches, not panics (#10443) by @IWANABETHATGUY
code-splitting: keep CommonJS modules wrapped under strict execution order (#10405) by @hyfdev
code-splitting: align dynamicImports metadata with the rewritten import() specifier (#10430) by @hyfdev
dev: skip user plugin hooks for ?rolldown-lazy proxy modules (#10426) by @unknownjedi
treeshake: preserve side-effect-free spread arguments in manual-pure chains (#10432) by @IWANABETHATGUY
treeshake: preserve eagerly evaluated child effects of manual pure chains (#10427) by @Nic-Polumeyv
code-splitting: initialize pure definers behind star re-export barrels under strict execution order (#10409) by @hyfdev
resolveId: reject string id filters (must be a RegExp) (#10412) by @IWANABETHATGUY
code-splitting: collect eager order reasons for on-demand wrapping (#10387) by @hyfdev
rolldown: apply output.paths to CJS export-star of external modules (#10406) by @IWANABETHATGUY
dev: sourcemaps of lazily compiled chunks (#10386) by @tbvjaos510
plugin: validate emitted file names at emitFile time (#10377) by @Nic-Polumeyv
guarantee tokio runtime release when close rejects (#10381) by @shulaoda
code-splitting: make strict transitive init registration deterministic and constant-time (#10320) by @hyfdev
pair tokio runtime acquire and release on wasm to prevent premature shutdown (#10363) by @shulaoda
don't body-demand modules from simulated facade chunk includes (#10351) by @IWANABETHATGUY
tracing: invalid RD_LOG filter and RD_LOG_OUTPUT=json no longer panic (#10343) by @Brooooooklyn
code-splitting: treat class definition-time global reads as order-sensitive (#10322) by @hyfdev
code-splitting: deconflict force-included runtime helper statements (#10336) by @hyfdev
binding: forward all missing parallel JS plugin hooks (#10345) by @Brooooooklyn
code-splitting: re-derive chunk exec order after the runtime sweep (#10334) by @hyfdev
types: add undefined to ExistingRawSourceMap optional properties (#10355) by @ocavue
magic-string: validate relocate ranges before rewiring (#10327) by @IWANABETHATGUY
add EMPTY_IMPORT_META warning for non-node CJS output (#10222) by @sapphi-red
call resolveFileUrl in a deterministic order (#10330) by @sapphi-red
magic-string: refuse repeated sendMagicString on a consumed instance (#10331) by @IWANABETHATGUY
magic-string: refuse to use a MagicString after sendMagicString consumed it (#10326) by @IWANABETHATGUY
magic-string: reject non-contiguous moves before rewiring the chunk list (#10311) by @IWANABETHATGUY
handle ./foo/bar glob pattern the same as foo/bar (#10313) by @sapphi-red
magic-string: throw instead of panicking when append/prepend splits an edited chunk (#10301) by @IWANABETHATGUY
output: skip separator for empty hoisted functions (#10310) by @hyfdev
magic-string: don't report a change when edits cancel out (#10299) by @IWANABETHATGUY
sourcemap: map wrapped imported callees (#10288) by @hyfdev
magic-string: count positional inserts at index 0 on an empty source (#10306) by @IWANABETHATGUY
magic-string: return UTF-16 code units from length() (#10295) by @IWANABETHATGUY
output: skip separator for empty import prelude (#10289) by @hyfdev

🚜 Refactor

dev: make it easier to customize the runtime (#10338) by @sapphi-red
code-splitting: declare CJS carrier namespaces initializer-free (#10513) by @hyfdev
rollup-tests: avoid relying on NODE_PATH env var resolution (#10496) by @sapphi-red
code-splitting: derive symbol chunk ownership as pass-local link data (#10449) by @hyfdev
plugin: share asset emission helpers between copy_module and asset_module (#10450) by @Nic-Polumeyv
plugin: dedupe hook binding boilerplate (#10428) by @Nic-Polumeyv
plugin: share the oxc parse preamble between import-glob and dynamic-import-vars (#10452) by @Nic-Polumeyv
implement GetAstBuilder on visitor/pass types (#10424) by @overlookmotel
pass arrays to AST builder methods (#10419) by @overlookmotel
shorten AST builder code (#10418) by @overlookmotel
centralize final ESM init metadata (#10376) by @hyfdev
descriptor-based parallel-plugin detection (getParallelPluginInfo) (#10349) by @Brooooooklyn
remove AstFactory in favor of new_* construction traits (#10353) by @Boshen
enable oxc_ast's disable_old_builder feature (#10316) by @Boshen

📚 Documentation

development-guide: update config.json link line reference (#10523) by @dogledogle
clarify slash normalization for id hook filter (#10511) by @sapphi-red
code-splitting: record the thenable-namespace rule (#10502) by @hyfdev
clarify that esmExternalRequirePlugin must own its externals (#10439) by @TheAlexLichter
add troubleshooting entry for the @rolldown/binding-... resolution error (#10390) by @Nic-Polumeyv
add Code Splitting API reference category (#10382) by @vittorioexp

⚡ Performance

use VisitJsMut in JavaScript-only AST passes (#10507) by @Boshen
cache the resolved glob matcher for Id/ImporterId filters (#10410) by @IWANABETHATGUY
scope_hoisting: remove alloc field from ScopeHoistingFinalizer (#10425) by @overlookmotel
reduce string allocations (#10423) by @overlookmotel
hmr: remove unnecessary string allocations (#10422) by @overlookmotel
avoid allocating static strings via custom builder methods (#10421) by @overlookmotel
pass string literals to AST builder methods (#10420) by @overlookmotel
use VisitJs in JavaScript-only AST passes (#10396) by @Boshen
plugin: shrink erased plugin debug vtables (#10370) by @Boshen
reuse normalized path buffers (#10315) by @hyfdev

🧪 Testing

code-splitting: pin CJS barrel fallback triggers and flag-off equivalence (#10514) by @hyfdev
plugin: cover chunk fileName, absolute chunk name, and Windows drive names (#10400) by @IWANABETHATGUY
code-splitting: cover a single-chunk dynamic import of a wrapped module (#10505) by @hyfdev
file: remove the unused .dynamic_import fixture (#10481) by @hyfdev
treeshake: reduce manual-pure fixture to a minimal smoke test, move matrix to unit tests (#10436) by @IWANABETHATGUY
dev: run vite playgrounds under bundled dev (test-serve-bundled) (#10434) by @h-a-n-a
stop snapshots from silently hiding user code inside the runtime region (#10431) by @hyfdev
wasi: add tokio runtime lifecycle regression test (#10379) by @shulaoda
dev: expect preserved hot.data in hmr-whole-chain-dispose (#10380) by @h-a-n-a
code-splitting: pin flag-off wrapped-esm init emission (#10324) by @hyfdev
sourcemap: fix Windows-only failures in composition fixtures (#10368) by @shulaoda
generated-code: mark assert external in symbols_ns2 for deterministic output (#10339) by @hyfdev
code-splitting: cover entries-aware strict init cycle (#10307) by @hyfdev
make just setup-vite the only entry point that touches vite/ (#10332) by @shulaoda
vite-tests: reuse the shared root vite checkout (#10325) by @shulaoda
test-dev-server: drop the vite submodule, track rolldown-canary (#10319) by @shulaoda
vite-tests: track the latest rolldown-canary rebased onto vite main (#10318) by @shulaoda
unify Vite in vite-test and test-dev-server (#10293) by @h-a-n-a

⚙️ Miscellaneous Tasks

scope the binding artifact download to bindings-* (#10525) by @shulaoda
deps: update napi (#10506) by @renovate[bot]
deps: update rollup submodule for tests to v4.62.3 (#10494) by @rolldown-guard[bot]
deps: upgrade oxc to 0.142.0 (#10497) by @shulaoda
deps: update test262 submodule for tests (#10495) by @rolldown-guard[bot]
deps: update github actions (#10460) by @renovate[bot]
deps: update rust crates (#10462) by

Note truncated.

Open source →

1.2.015 Jul 20263 sources agree

dev: skip shipping factories for newly imported top-level modules ( #10223 ) by @h-a-n-a

[1.2.0] - 2026-07-15

🚀 Features

dev: skip shipping factories for newly imported top-level modules (#10223) by @h-a-n-a
dev: per-client ship map for HMR patch sizing (#10208) by @h-a-n-a
dev: client-side HMR (#10164) by @h-a-n-a
dev: send a full-reload update to clients when a tsconfig changes (#10262) by @shulaoda
treat import.meta['url'] and import.meta['ROLLUP_FILE_URL_*'] as side-effect free (#10267) by @sapphi-red
rewrite import.meta['url'] (#10251) by @sapphi-red
add FILE_NOT_FOUND error (#10220) by @sapphi-red
treat import.meta.ROLLUP_FILE_URL_* as side-effect free (#10217) by @sapphi-red

🐛 Bug Fixes

sourcemap: preserve unmapped boundaries during composition (#10254) by @hyfdev
[format] in *FileNames option for ESM format should be es instead of esm (#10214) by @sapphi-red
sourcemap: preserve coarse mappings during composition (#10249) by @hyfdev
rolldown_plugin_vite_import_glob: support tsconfig paths with import.meta.glob (#10167) by @sapphi-red
dev: clear tsconfig caches for bare full builds (#10276) by @shulaoda
dev: force a full rebuild when a tsconfig changes (#10261) by @shulaoda
treat rooted drive-less module ids as absolute in preserveModules naming (#10235) by @IWANABETHATGUY
watch: rebuild when tsconfig files change (#10258) by @shulaoda
watch: drop tsconfig-merged transform options on each rebuild (#10257) by @shulaoda
incorrect EMPTY_IMPORT_META warning for import.meta.ROLLUP_FILE_URL_* for CJS output (#10221) by @sapphi-red
deconflict: rename CJS locals shadowing wrapped-ESM namespace objects (#9970) by @IWANABETHATGUY
rolldown: drop the unused runtime module after entry-level external flattening (#10237) by @IWANABETHATGUY
rolldown: re-propagate has_dynamic_exports to transitive star importers (#10239) by @IWANABETHATGUY
tree-shaking: tree-shake destructured dynamic import namespace bindings (#10213) by @logaretm
s390x: use json-escape-simd 3.1.1 for big-endian JSON escaping fix (#10211) by @satyamg1620

🚜 Refactor

dev: move full-reload to client side (#10207) by @h-a-n-a
readability follow-ups to the ReplaceWith migration (#10286) by @IWANABETHATGUY
replace take_in-then-write-back with ReplaceWith and by-value moves (#10285) by @Boshen
share the main resolver's cache with the transformer's tsconfig lookups (#10205) by @shulaoda
rolldown: extract the ns star-external __reExport emission rule into LinkingMetadata (#10238) by @IWANABETHATGUY
rolldown: unify link/generate diagnostics into a Diagnostics accumulator (#10234) by @IWANABETHATGUY
sourcemap_filenames: drop dead sourcemap-filename plumbing (#10189) by @IWANABETHATGUY
extract external import symbol merging into a method (#10224) by @IWANABETHATGUY
rolldown: skip CJS namespace merging under strict execution order (#10203) by @hyfdev
resolve the manual tsconfig per file instead of once at startup (#10200) by @shulaoda
rolldown: route interop ESM init emission through a shared init-target view (#10202) by @hyfdev
rolldown: collapse vestigial wrap-kind state and share chunk sort helper (#10201) by @hyfdev

📚 Documentation

show plugin kinds in JSDoc and each hook's description (#10218) by @sapphi-red
add an explanation about removing imports from external modules without any messages (#10215) by @sapphi-red

⚡ Performance

sourcemap: owned merge in SourceJoiner::join (4005->5 allocs/chunk) (#10250) by @Boshen
avoid redundant sourcemap string copies in collapse and minify paths (#10093) by @Boshen

🧪 Testing

code-splitting: establish strict-order review baselines (#10287) by @hyfdev
dev: add hot API test cases (#10181) by @h-a-n-a
code-splitting: normalize strict execution order variants (#10277) by @hyfdev
code-splitting: harden strict execution order coverage (#10252) by @hyfdev
code-splitting: add strict execution order regressions (#10253) by @hyfdev

⚙️ Miscellaneous Tasks

deps: update github actions (#10241) by @renovate[bot]
deps: update oxc to 0.140.0 (#10274) by @shulaoda
update Yunfei's GitHub username (#10275) by @hyfdev
deps: update napi (#10260) by @renovate[bot]
deps: update test262 submodule for tests (#10266) by @rolldown-guard[bot]
deps: update dependency vite-plus to v0.2.4 (#10256) by @renovate[bot]
deps: update napi (#10240) by @renovate[bot]
deps: update oxc resolver to v11.24.2 (#10245) by @renovate[bot]
deps: update rust crates (#10244) by @renovate[bot]
disable Renovate updates for idna_adapter (#10248) by @shulaoda
deps: update oxc resolver to v11.24.1 (#10232) by @renovate[bot]
deps: update rust crate oxc_sourcemap to v8.1.1 (#10233) by @renovate[bot]
deps: update dependency rolldown-plugin-dts to ^0.27.0 (#10206) by @renovate[bot]
deps: upgrade sugar_path to v3 (#10230) by @hyfdev
add dist-* to .gitignore in sourcemap-filenames/hash-final-content fixture (#10216) by @sapphi-red
deps: update dependency rust to v1.97.0 (#10209) by @renovate[bot]

❤️ New Contributors

@satyamg1620 made their first contribution in #10211

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

Open source →

1.1.58 Jul 20263 sources agree

detect top-level import-binding reads as execution-order sensitive ( #10180 ) by @hyf0

[1.1.5] - 2026-07-08

🚀 Features

detect top-level import-binding reads as execution-order sensitive (#10180) by @hyf0
sourcemap_filenames: add a sourcemapFileNames option (#9271) by @V1OL3TF0X
binding: record plugin hook result kind in tracing spans (#10154) by @IWANABETHATGUY
linking: skip side-effect-free modules in per-entry reachability (#10111) by @IWANABETHATGUY
improve error message for unresolved virtual imports (#10156) by @sapphi-red
add descriptive metadata to plugin API (#10106) by @sapphi-red
add --configLoader=native option (#10118) by @sapphi-red

🐛 Bug Fixes

improve invalid annotation warnings (#10185) by @hyf0
keep deduplicated asset filenames stable once they can be observed (#10191) by @shulaoda
sourcemap_filenames: use public option name in pattern errors (#10188) by @IWANABETHATGUY
sourcemap_filenames: hash prepared sourcemap content (#10178) by @hyf0
tree-shake unused circular declarators exported via export list (#10166) by @IWANABETHATGUY
dev: don't panic when an HMR rebuild hits an unresolved import (#10162) by @shulaoda
propagate errors from output.globals function (#9880) by @shulaoda
dev: revert cache mutations when a partial scan fails (#10110) by @shulaoda
dev: update importer relationships of cached modules in incremental build (#10107) by @shulaoda
hmr: fall back to full reload when a changed module is not registered as executed (#10132) by @shulaoda
chunk-optimizer: follow entry facade edges in runtime placement cycle check (#10101) by @hyf0
dev: ignore watcher events after close (#10113) by @hyf0
emit async wrapper for TLA modules under onDemandWrapping (#10086) by @IWANABETHATGUY
gate sideEffects:false modules' side effects on body demand (#10080) by @IWANABETHATGUY
rolldown_plugin_vite_resolve: return empty object for browser: false mapped modules (#10082) by @sapphi-red
reset the word-boundary state on newline in Hires::Boundary sourcemaps (#10025) by @shulaoda
trim an emptied chunk's outro/intro instead of skipping past it (#10029) by @shulaoda
test each edited chunk's own start against indent exclude ranges (#10026) by @shulaoda
preserve sourcemap mappings for indented lines when a CJS module shares the chunk (#10074) by @hyf0

🚜 Refactor

separate tree-shaking side effects from execution order sensitivity (#10168) by @hyf0
type construct_vite_preload_call to take an ObjectPattern (#10135) by @shulaoda
treeshake: single-source the own-export classification shared with the lazy-barrel loader (#10098) by @IWANABETHATGUY
dev: reuse Vite's bundledDev server (#10081) by @h-a-n-a
clippy: ban std HashMap/HashSet in favour of FxHashMap/FxHashSet (#10108) by @Boshen
treeshake: make body demand a second module bit instead of a stmt multimap (#10097) by @IWANABETHATGUY
seal used_symbol_refs by construction after its last writer (#10091) by @hyf0
treeshake: replace inclusion mutual recursion with a worklist engine (#10096) by @IWANABETHATGUY
treeshake: split include_statements.rs into focused modules (#10095) by @IWANABETHATGUY
drop redundant is_user_defined filter on partitioned entries (#10050) by @shulaoda
project the retained export interface out of used_symbol_refs (#10089) by @hyf0
track used external symbols separately from used_symbol_refs (#10088) by @hyf0
make module namespace inclusion an explicit linking metadata field (#10087) by @hyf0
rename statement evaluation metadata (#10078) by @hyf0

📚 Documentation

virtual modules user-facing id convention (#10155) by @sapphi-red
cli: clarify disabling boolean/object flags like codeSplitting (#10153) by @IWANABETHATGUY
chore: remove Vite+ alpha banner (#10105) by @mdong1909
write down the used_symbol_refs contract (#10090) by @hyf0
dev/lazy: update design and implementation (#10079) by @h-a-n-a

⚡ Performance

ast_scanner: stop order-sensitivity checks once a module is flagged (#10190) by @IWANABETHATGUY
return impl ExactSizeIterator from slice-backed accessors (#10133) by @Boshen
binding: box dev and watcher napi futures (#10103) by @Boshen

🧪 Testing

move string_wizard replace unit tests to the JS magic-string suite (#10176) by @IWANABETHATGUY
dev: assert incremental scan state matches a fresh full build after each HMR step (#10115) by @shulaoda
dev: restore runtime assertions of delete_file_not_used_anymore (#10112) by @shulaoda
dev: fix flaky dev server tests in CI (#10152) by @h-a-n-a
add regression test for #10099 (lazyBarrel drops default-import binding but keeps its property reads) (#10109) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

deploy website to Void via GitHub OIDC (#10192) by @Boshen
deps: update oxc to 0.139.0 (#10161) by @shulaoda
deps: update test262 submodule for tests (#10160) by @rolldown-guard[bot]
rolldown_plugin_utils: remove dead asset-url and css scaffolding (#10131) by @shulaoda
deps: revert vite-plus to v0.2.1 (#10148) by @shulaoda
deps: update github actions (#10141) by @renovate[bot]
deps: update dependency rust to v1.96.1 (#10145) by @renovate[bot]
deps: update npm packages (#10142) by @renovate[bot]
deps: update rust crates (#10143) by @renovate[bot]
deps: update napi to v3.10.3 (#10121) by @renovate[bot]
rolldown_utils: remove unused time module (#10138) by @shulaoda
remove dead CopyModulePlugin::is_active method (#10129) by @shulaoda
remove dead LazyCompilationContext::is_lazy_module method (#10128) by @shulaoda
remove dead BuildDiagnostic::downcast_ref method (#10127) by @shulaoda
deps: update dependency vite-plus to v0.2.2 (#10084) by @renovate[bot]
deps: update rust crate oxc_sourcemap to v8.1.0 (#10122) by @renovate[bot]
deps: update crate-ci/typos action to v1.48.0 (#10124) by @renovate[bot]
enable more clippy restriction lints (#10114) by @Boshen
deps: update rust dependencies (#10100) by @Boshen
deps: update oxc resolver to v11.23.0 (#10083) by @renovate[bot]

◀️ Revert

Revert "chore(deps): revert vite-plus to v0.2.1" (#10157) by @h-a-n-a
"fix(hmr): fall back to full reload when a changed module is not registered as executed (#10132)" (#10151) by @shulaoda

❤️ New Contributors

@V1OL3TF0X made their first contribution in #9271

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

Open source →

1.1.41 Jul 20263 sources agree

disable experimental.lazyBarrel by default ( #10071 ) by @shulaoda

[1.1.4] - 2026-07-01

🚀 Features

disable experimental.lazyBarrel by default (#10071) by @shulaoda

🐛 Bug Fixes

dev: disable lazy barrel in dev mode (#10060) by @shulaoda
generate: keep full JSON interface under preserveModules namespa… (#10056) by @IWANABETHATGUY
check finalize_other_specifiers in its own Debug attribute (#10032) by @shulaoda
serialize the KeepAssign unused minify option as "keep_assign" (#10031) by @shulaoda
keep fragments after the newline fragment in MagicString::last_line (#10023) by @shulaoda
generate: undeclared JSON named exports under preserveModules (#10020) (#10027) by @IWANABETHATGUY
deconflict: rename CJS-wrapped locals that shadow chunk-root bindings (#9921) by @IWANABETHATGUY
rolldown: keep entry facade when a shared chunk holds another entry's module (#9997) by @hyf0
treeshake: also bail JSON default split when the object escapes (#9996) by @IWANABETHATGUY
don't classify await in a strict-mode function as top-level await (#9987) by @shulaoda
avoid spurious leading newline in addon hooks (banner/footer/intro/outro) (#9989) by @shulaoda
handle JSON default mutation bailouts (#9972) by @TheAlexLichter
plugin: make lazy hook metadata enumerable (#9991) by @TheAlexLichter
dev: make init errors in lazy-compiled modules catchable (#9981) by @h-a-n-a
treeshake: keep computed-key side effects on namespace member access (#9986) by @shulaoda
binding: validate replace plugin delimiters length instead of panicking (#9984) by @shulaoda
reconstruct nested rest patterns in into_expression (#9980) by @IWANABETHATGUY
reconstruct rest patterns as spread in into_expression (#9976) by @shulaoda
preserve export keyword on multi-declarator exports under keepNames (#9974) by @shulaoda
deterministically keep the shortest name for deduplicated assets (#9948) by @x1024
treeshake: apply @NO_SIDE_EFFECTS to cross-chunk namespace calls (#9960) by @IWANABETHATGUY

🚜 Refactor

drop redundant program scope enter/leave in finalizer (#10049) by @shulaoda
deconflict: extract collect_chunk_scope_captured_names (#10006) by @IWANABETHATGUY
unify pre-scan multi-declarator split into one decision site (#9982) by @IWANABETHATGUY
common: return bool from SymbolRef::is_not_reassigned (#9962) by @IWANABETHATGUY

📚 Documentation

rolldown: remove outdated comment for removing parenthesized expression (#10062) by @Dunqing
use GitHub-flavored alert for Etiquette note in contribution guide (#10012) by @IWANABETHATGUY
replace: explain the delimiters left and right boundaries (#9985) by @shulaoda
ast-mutation: remove stale Address Use section after pre-scan refactor (#9983) by @IWANABETHATGUY
remove fathom (#9968) by @mdong1909
contribution-guide: code-format main branch references (#9966) by @IWANABETHATGUY
contribution-guide: fix stale REPL note and tidy wording (#9957) by @hyf0
contribution-guide: clarify when to discuss before opening a PR (#9955) by @hyf0

⚡ Performance

disable preserve_parens across all parse paths (#10057) by @Dunqing
common: inline declared_symbols with SmallVec (#9920) by @IWANABETHATGUY
common: pack TaggedSymbolRef into 8 bytes (#9919) by @IWANABETHATGUY
sourcemap: skip newline scan on the no-sourcemap join fast path (#9936) by @Boshen

🧪 Testing

dev: error in lazy module should be catchable (#9975) by @sapphi-red
dev: reject unknown lazy compile modules (#9969) by @sapphi-red

⚙️ Miscellaneous Tasks

deps: update actions/cache action to v6 (#10001) by @renovate[bot]
trigger vite ecosystem-ci from PR comments (#10058) by @shulaoda
deps: update napi to v3.10.0 (#10063) by @renovate[bot]
remove unused From impl for RolldownLabelSpan (#10055) by @shulaoda
remove dead Diagnostic::with_kind method (#10054) by @shulaoda
remove unused StatementExt methods (#10053) by @shulaoda
remove unused ExpressionExt methods (#10052) by @shulaoda
remove commented-out re_export_all_names field (#10051) by @shulaoda
deps: update pnpm to v11.9.0 (#10047) by @renovate[bot]
remove the unused BindingGenerateHmrPatchReturn napi type (#10034) by @shulaoda
remove the dead inline_entry_chunk_wrapping scaffolding (#10037) by @shulaoda
deps: bump oxc_resolver to 11.22.0 (#10045) by @Boshen
remove never-constructed MatchImportKind::_Ignore variant (#10041) by @shulaoda
remove the unused ScheduledBuild napi struct (#10033) by @shulaoda
remove dead compute_hmr_update_single method (#10040) by @shulaoda
drop the redundant visited.insert in manual code splitting (#10038) by @shulaoda
remove the dead output_assets vector in render_chunk_to_assets (#10036) by @shulaoda
remove the unused From/Display impls for BindingLogLevel (#10035) by @shulaoda
deps: upgrade oxc to 0.138.0 and migrate to per-type AST construction (#10018) by @shulaoda
deps: update rust crates (#9911) by @renovate[bot]
deps: update test262 submodule for tests (#10016) by @rolldown-guard[bot]
deps: update github actions (#9999) by @renovate[bot]
deps: update npm packages (#10000) by @renovate[bot]

◀️ Revert

"fix(plugin): make lazy hook metadata enumerable (#9991)" (#10005) by @shulaoda

❤️ New Contributors

@x1024 made their first contribution in #9948

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

Open source →

1.1.324 Jun 20263 sources agree

defer_drop crashes the browser main thread ( #9942 ) by @shulaoda

[1.1.3] - 2026-06-24

🐛 Bug Fixes

defer_drop crashes the browser main thread (#9942) by @shulaoda
camel-case: correct camel case for nested values (#9933) by @kb019
cli: display --help options in camelCase (#9941) by @IWANABETHATGUY
preserve used re-exports under preserveModules (#9122) (#9934) by @IWANABETHATGUY
watch: make close reentrant in event callbacks (#9904) by @hyf0
git for windows treats symlink files as regular files (#9915) by @AliceLanniste
dev: cancel pending full reload on build error (#9903) by @h-a-n-a
chunking: pass plugin meta to codeSplitting groups name function (#9267) by @Kyujenius
dev: serve assets emitted during HMR/lazy compile (vite#22596) (#9815) by @h-a-n-a
release: dry-run step no longer publishes binding packages (#9866) by @Boshen

🚜 Refactor

rolldown_common: model ModuleId as a classified Path/Virtual/Bare enum (#9927) by @Boshen
remove unused LegacyModuleIdx (#9872) by @shulaoda
remove unused StmtInfos::get_namespace_stmt_info (#9870) by @shulaoda
remove unused Module::as_external_mut (#9871) by @shulaoda
remove unused EcmaAst::is_body_empty (#9869) by @shulaoda
drop dead is_css_module handling in resolve_dependencies (#9867) by @shulaoda
drop redundant with_commonjs on cjs source type (#9868) by @shulaoda

📚 Documentation

clarify on drafting PRs (#9952) by @h-a-n-a
update contribution guidelines (#9944) by @fubhy
note Rust crates don't follow semver in AGENTS.md (#9905) by @IWANABETHATGUY
add feedback form (#9159) by @TheAlexLichter

⚡ Performance

utils: avoid allocation in default_sanitize_file_name for clean names (#9928) by @Boshen
binding: box once-per-build futures before spawn_future (#9864) by @Boshen
utils: avoid wasted allocation in legitimize_identifier_name (#9926) by @Boshen
rolldown: fuse the canonical-name dedup and insert in the renamer (#9900) by @Boshen
rolldown: probe the name map once in ConflictResolver::resolve (#9899) by @Boshen
cut two heap allocations from wrapped ESM init finalize (#9901) by @Boshen
rolldown_plugin_vite_reporter: hoist invariant out_dir prefix out of reporter loop (#9873) by @shulaoda
drop throwaway Vec in wrapped esm init stmt (#9878) by @shulaoda
borrow owner_filename in build-import-analysis AddDeps (#9874) by @shulaoda

🧪 Testing

cover preserveModules named export via namespace re-export (#6010) (#9937) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

deps: update napi to v3.9.4 (#9954) by @shulaoda
reduce noise from CODEOWNERS for trival changes (#9953) by @h-a-n-a
deps: update mimalloc-safe to 0.1.64 (#9950) by @shulaoda
deps: update rollup submodule for tests to v4.62.2 (#9931) by @rolldown-guard[bot]
deps: test mimalloc-safe upstream-mimalloc switch in CI (#9930) by @shulaoda
rolldown_plugin_vite_build_import_analysis: remove unused v2 code path (#9917) by @shulaoda
rolldown_plugin_vite_manifest: remove unused is_enable_v2 code path (#9916) by @shulaoda
rolldown_plugin_vite_asset_import_meta_url: remove unexposed native vite plugin (#9896) by @shulaoda
rolldown_plugin_vite_asset: remove unexposed native vite plugin (#9895) by @shulaoda
rolldown_plugin_vite_css_post: remove unexposed native vite plugin (#9894) by @shulaoda
rolldown_plugin_vite_css: remove unexposed native vite plugin (#9893) by @shulaoda
rolldown_plugin_vite_html_inline_proxy: remove unexposed native vite plugin (#9892) by @shulaoda
rolldown_plugin_vite_html: remove unexposed native vite plugin (#9891) by @shulaoda
deps: update github actions (#9909) by @renovate[bot]
deps: update rust crate oxc_sourcemap to v8.0.2 (#9910) by @renovate[bot]
deps: update npm packages (#9912) by @renovate[bot]
deps: update github actions to v7 (#9913) by @renovate[bot]
deps: update rolldown-plugin-dts to ^0.26.0 (#9897) by @renovate[bot]
remove rolldown_filter_analyzer crate (#9865) by @Boshen

❤️ New Contributors

@fubhy made their first contribution in #9944

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

Open source →

rolldown

Release timeline

Releases

[1.2.12] - 2026-09-30

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

❤️ New Contributors

From the same repository

[1.2.11] - 2026-09-24

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

◀️ Revert

❤️ New Contributors

[1.2.10] - 2026-09-23

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

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[1.2.9] - 2026-09-16

🚀 Features

🐛 Bug Fixes

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

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[1.2.8] - 2026-09-09

🚀 Features

🐛 Bug Fixes

📚 Documentation

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

❤️ New Contributors

[1.2.7] - 2026-09-02

🐛 Bug Fixes

🧪 Testing

⚙️ Miscellaneous Tasks

[1.2.6] - 2026-08-26

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

⚡ Performance

🧪 Testing

⚙️ Miscellaneous Tasks

[1.2.5] - 2026-08-19

🚀 Features

🐛 Bug Fixes

🚜 Refactor

📚 Documentation

🧪 Testing

⚙️ Miscellaneous Tasks

❤️ New Contributors

[1.2.4] - 2026-08-12

🚀 Features

🐛 Bug Fixes

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🧪 Testing

⚙️ Miscellaneous Tasks

[1.2.3] - 2026-08-05

🐛 Bug Fixes

🚜 Refactor

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⚡ Performance

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⚙️ Miscellaneous Tasks

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[1.2.2] - 2026-08-03

🚀 Features