v15.3.5

Compare Source

[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.

Core Changes

• Turbopack: list assert/strict as external (#​80884)
• omit searchParam data from FlightRouterState before transport (#​80734)
• bugfix: propagate staleTime to seeded prefetch entry (#​81263)

Misc Changes

• document turbopack trace viewer (#​78184)

Credits

Huge thanks to@​ztanner,@​mischnic, and@​bgw for helping!

v15.3.4

Compare Source

[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.

Core Changes

• [metadata] render streaming metadata on the top level (#​80566)
• [fix] clone the config module to avoid mutation (#​80573)

Credits

Huge thanks to@​huozhi for helping!

v15.3.3

Compare Source

[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.

Core Changes

• Reinstatevary (#​79939)
• fix(next-swc): Fix interestingness detection for React Compiler (#​79558)
• fix(next-swc): Fix react compiler usefulness detector (#​79480)
• fix(dev-overlay): Better handle edge-case file paths in launchEditor (#​79526)
• Client router should discard stale prefetch entries for static pages (#​79362)

Credits

Huge thanks to@​gaojude,@​kdy1,@​bgw, and@​unstubbable for helping!

v15.3.2

Compare Source

[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.

Core Changes

• backport: fix(turbopack): Store persistence of wrapped task on RawVc::LocalOutput (#​78488) (#​78883)
• @​next/mdx: Use stable turbopack config options (#​78880)
• Fix react-compiler: Fix detection of interest (#​78879)
• Fix turbopack: Backport sourcemap bugfix (#​78881)
• [next-server] preserve rsc query for rsc redirects (#​78876)
• Update middleware public/static matching (#​78875)

Credits

Huge thanks to@​ijjk,@​huozhi,@​kdy1,@​wbinnssmith, and@​bgw for helping!

v15.3.1

Compare Source

[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.

Core Changes

• chore: Backport SWC-based RC optimization (#​78260)
• fix: bump image-size@1.2.1 (#​78164)

Credits

Huge thanks to@​kdy1 and@​styfle for helping!

v15.3.0

Compare Source

Core Changes

• [dev-overlay] Customize<select> styling for consistency:#​76973
• Upgrade React from029e8bd6-20250306 to0ca3deeb-20250311:#​76989
• [metadata]: add pinterest meta tag:#​76988
• [dev-overlay] ensure stripping overlay bundle in prod build:#​76976
• Apply env inlining during generate build mode:#​76990
• Turbopack: Implement deploymentId:#​76904
• track persistent caching usage:#​76996
• [metadata] re-insert icons to head for streamed metadata:#​76915
• Upgrade React from0ca3deeb-20250311 to6aa8254b-20250312:#​77033
• Move static-env imports:#​77035
• [dev-overlay] Addsize setting to preferences:#​77027
• Add config for only generating static env:#​77038
• chore(HMR clients): Clean up and share code between app and pages router:#​76960
• Add dev warning for cross-origin and stabilize allowedDevOrigins:#​77044
• unify allowed origin detection handling:#​77053
• Handle hash change in all files for static env:#​77058
• [dev-overlay] highlight errored code line for runtime errors:#​77078
• NFT: Ignore all of Webpack:#​77081
• Add experimental build mode flag for env:#​77089
• (feat) support client-side instrumentation:#​76916
• Fix JSDoc comment for'seconds' cache life profile:#​77084
• refactor(HMR clients): Encapsulate some of the turbopack state tracking into a shared TurbopackHmr class:#​76994
• Slightly improve error handling for unknown server actions:#​77135
• Fix output standalone for alternative bundler:#​76971
• Add alternate bundler plugin information tonext info:#​77059
• [metadata] remove the default segement check for metadata rendering:#​77119
• [dev-overlay] Fix stacking order of highlighted line:#​77189
• Upgrade React from6aa8254b-20250312 to5398b711-20250314:#​77129
• fix(styled-jsx): PassuseLightningcss option tostyled-jsx correctly:#​77008
• log the instrumentation-client execution time:#​77121
• Turbopack: canary-gate production builds:#​77146
• [dev-overlay] remove special handling for missing tag error :#​77147
• chore(react-dev-overlay): Remove confusingly underscored variables inuseErrorOverlayReducer:#​77205
• Update middleware request header:#​77201
• Update default allowed origins list:#​77212
• Ensure deploymentId is used for CSS preloads:#​77210
• chore(HMR clients): Fix a bunch of typescript errors by including the appropriate webpack type declarations:#​77207
• Update cache handler interface:#​76687
• Turbopack: don't include AMP optimizer in NFT:#​77242
• Server actions should not read stale data after callingrevalidate*:#​76885
• [dev-overlay] Blur fader for scrollable container:#​77196
• Makerevalidate* work when followed by a redirect in a route handler:#​77090
• feat: onNavigate for link:#​77209
• fix: pass telemetry plugin rspack tests:#​77257
• feat(eslint-plugin): add minimal built-in flat presets:#​73873
• [perf] skip loading client manifest for static metadata routes:#​77260
• Upgrade React from5398b711-20250314 toc69a5fc5-20250318:#​77249
• [ppr] Handle failed resume data cache entries:#​77258
• Bypass"use cache" caches when Draft Mode is enabled:#​77141
• chore(HMR clients): Clean up tryApplyUpdates, reduce differences between app/pages versions:#​77219
• Upgrade React fromc69a5fc5-20250318 todb7dfe05-20250319:#​77295
• Turbopack: layout segment optimization for Pages:#​74815
• [dev-overlay] Make footer sticky without side effects:#​77327
• Alternate bundler: show state in app info message:#​77259
• Revert "Turbopack: layout segment optimization for Pages":#​77339
• [metadata] add Yeti to html limited bots:#​77335
• [dev-overlay] Remove unused code from pages:#​77325
• [metadata] remove dead code of metadata routes handling:#​77336
• Alternate bundler: pass more tests and update to 1.3.0-beta:#​77269
• [metadata] fix the metadata route like pages and refactor utils:#​77264
• fix: absolute assetPrefix url with path:#​77256
• clean up useReducer code re dev indicator:#​77354
• test: ensure that router identity stays stable when navigating:#​77356
• [dev-overlay] Remove unused fields from hydration error state:#​77332
• Turbopack: implement optimized css production chunking:#​77284
• only log when instrumentation client takes too long:#​77378
• switch development origin verification to be opt-in rather than opt-out:#​77395
• remove direct ip/port bypass in dev origin check:#​77414
• ensure /__next middleware URLs are included in the origin check:#​77416
• exclude images and static media from dev origin check:#​77417
• Refactor metadata and viewport preloading:#​77400
• [dev-overlay] Remove unused fields from unhandled error action event:#​77333
• Turbopack: Add --turbopack for next start:#​77442
• Update README:#​77464
• Remove unnecessary indirections around dispatch-related methods:#​77423
• Lift public router instance to module level :#​77426
• directly import param resolver in metadata:#​77401
• [metadata] always serve streaming metadata in build:#​77437
• directly import search param resolver in metadata:#​77402
• Remove forwardRef from Link in App Router:#​77471
• Match subrequest handling for edge and node:#​77474
• Add deprecation warning for legacyBehavior prop:#​77473
• feat: useLinkStatus:#​77300
• [dynamicIO] Avoid memory leak warning for hanging promises:#​77480
• [dev-overlay] Remove "Unhandled Runtime Error" label:#​77484
• Upgrade React fromdb7dfe05-20250319 to740a4f7a-20250325:#​77507
• Upgrade React from740a4f7a-20250325 to313332d1-20250326:#​77527
• Do not callexpireTags/getExpiration unnecessarily:#​77570
• fix(jest): stricter regex for 'server-only' in default config:#​77588
• Fix: RESTORE_ACTION should not be thenable:#​77582
• UseNEXT_PRIVATE_DEBUG_CACHE env variable for cache handler debug logs:#​77585
• fix: make sure body can be read usingnodejs runtime in middleware:#​77553
• Update alternate bundler and pass more tests :#​77579
• Refactor build scripts and rewrite pack-next in TypeScript:#​77536
• fix isCsrfOriginAllowed handling for localhost:#​77594
• Turbopack build: fix deterministic build test:#​77618
• Turbopack build: Fix urlencoding test:#​77622
• [og] fix vercel og build issue on windows:#​77650
• [Segment Cache] Add "client-only" option:#​77655
• Remove useSyncExternalStore from useIsDevRendering:#​77651
• Track navigation timestamp on CacheNode:#​77251
• Upgrade@​playwright/test and cleanup internal APIs:#​77659
• Refactor: move"use cache" revalidation logic out of incremental cache:#​77577
• Remove obsolete update of implicit tags expiration after server action:#​77595
• Revert "Remove useSyncExternalStore from useIsDevRendering (#​77651)":#​77672
• Upgrade React from313332d1-20250326 to63779030-20250328:#​77643
• Turbopack build: Add marker for when a build used Turbopack:#​77674
• feat(images): use experimentalisrFlushToDisk option to prevent writing optimized images to cache:#​70645
• doc: instrumentation-client:#​77649
• Alternate bundler: use equivalent native plugins for built-in plugins:#​77355
• Resolve Viewport separately from Metadata:#​77427
• fix(turbopack): Suppress logging for short no-op turbopack HMRs:#​76924
• Turbopack build: Fix node-file-trace test:#​77641
• Turbopack build: Implement error when using next start without --turbopack:#​77678
• legacyBehavior deprecation error should only trigger once:#​77687
• Pass only required props to NonIndex:#​77685
• Revert "fix: make sure body can be read usingnodejs runtime in middleware":#​77690
• [dev-overlay] Harden types when handling hydration mismatches:#​77334
• [dev-overlay] Fix ref warning when Pages Router with React 18 is used:#​77726
• add support for cssmodules-pure-no-check to allow global CSS features like View Transitions:#​77321
• [dev-overlay] Only warn once per invalid sourcemap:#​77444
• [dynamicIO] only abort once per prerender:#​77747
• Turbopack build: Move Turbopack marker to SERVER_FILES_MANIFEST:#​77711
• Reapply "Turbopack: layout segment optimization for Pages" (#​77339):#​77696
• feat(next/image): supportnew URL() forimages.remotePatterns:#​77692
• [dev-overlay] remove text wrap for terminal:#​76953
• Upgrade React from63779030-20250328 to040f8286-20250402:#​77742
• Optimize server runtime bundles:#​77723
• Turbopack Build: Remove cases of process.env.TURBOPACK:#​77757
• [dev-overlay] Fix unactionableuseLayoutEffect warning if React 18 is used:#​77737
• [dev-tools] Fix flashing of disabled state on indicator:#​77727
• Webpack build: Add compiled in x seconds in missing places:#​77751
• Ignore an existing HMR refresh hash cookie withnext start:#​77714
• Turbopack build: Replace process.env.TURBOPACK usage:#​77783
• Client instrumentation: onRouterTransitionStart:#​77791
• Turbopack: log telemetry events whenTurbopackInternalErrors occur:#​77660
• Rename alternate bundler package name:#​77793
• Turbopack: fixsideEffects matching for non-relative globs:#​77693
• Revert "Upgrade@​playwright/test and cleanup internal APIs":#​77814
• [next-ts-plugin] fix: language service crashes / metadata plugin not working:#​77213
• [dev-overlay] always display bundler name on version info:#​77739
• [dev-overlay] sync horizontal scrollbar style:#​77769
• [dev-overlay] ReadissueCount from non-asyncerrors array:#​77821
• [dev-overlay] Fix error dialog resizing logic:#​77830
• Turbopack Build: Optimize instrumentation hook generation:#​77832
• [next-server] skip setting vary header for basic routes:#​77797
• Lazily callrefreshTags andgetExpiration:#​77779
• Add debug logging to default cache handler and"use cache" wrapper:#​77827
• [ts-next-plugin] fix: properly exit when failed to initialize:#​77842
• Alternate bundler: correctly inject react refresh loader:#​77713
• [dynamicIO] Fix dev warmup:#​77829
• fix: don't reset the prefetch segment data routes on loop:#​77845
• EnsuresearchParams access in"use cache" triggers error when caught:#​77838
• Revert "[dev-overlay] Fix error dialog resizing logic":#​77849
• fix: add cache tags to segment prefetch responses:#​77846
• Avoid microtaskiness when lazily fetching from cache handlers:#​77843
• [Experiment] :#​77866
• [dev-overlay] disable font ligatures:#​77865
• Enable process.env.TURBOPACK when process.env.IS_TURBOPACK_TEST is set:#​77894
• [ts-next-plugin] fix: usegetSourceFile instead offileExists to check file existence:#​77863
• fix: only set request phase to "action" when actually running an action:#​76993
• Alternate bundler: fix react refresh and adjust sourcemap:#​77875
• Upgrade React from040f8286-20250402 to33661467-20250407:#​77899
• refactor: rename isAction to isPossibleServerAction:#​77011
• [logging] improve logging of port retry:#​77868
• Remove canary-gate and add experimental warning for alternate bundler:#​77806
• fix(next/image): bump sharp@0.34.1:#​77839
• Turbopack builds: Remove canary-gate and add experimental warning:#​77808
• feat: Disable char frequency analysis for mangler:#​77887
• Set Turbopack env var for internal modules:#​77902
• Don't externalize various newnext/* entrypoints:#​77844
• Revert "Fix: RESTORE_ACTION should not be thenable":#​77909
• Fix resolve alternate bundler in monorepo:#​77913
• Output server.mjs for standalone with type: module:#​77944

Example Changes

• with-polyfills example: only link to specific browsers:#​77211
• Add example for alternate bundler:#​77057
• chore(examples): remove examples that can be v0'd:#​77349
• Alternate bundler example: usecanary version:#​77754
• Fix Wasm example:#​77924

Misc Changes

• [test] consolidate hmr test for react 18.3:#​76975
• docs: update API example:#​76987
• docs: add Pinterest Rich Pins metadata example:#​77025
• fix(CI): Correctly call test/update-bundler-manifest.js script:#​77000
• Update bundler development test manifest:#​77040
• Update bundler production test manifest:#​77043
• Update Turbopack development test manifest:#​77041
• chore(github): remove /examples from contribution guidelines, remove examples issue template:#​77050
• Turbopack: when reading a non yet existing cell from a in progress tasks, wait for the computation to finish:#​77029
• Turbopack: wait before reading cells when the task is scheduled:#​77031
• Turbopack: don't call individual() again:#​77048
• Turbopack: create module graph strongly consistent:#​77051
• Turbopack: Vc stability of ModuleGraph:#​77052
• Turbopack: fix corrected time calcuation for trace server:#​77080
• Turbopack: fewer manifests for static metadata:#​77087
• Update Turbopack development test manifest:#​77071
• Update bundler production test manifest:#​77069
• Update bundler development test manifest:#​77068
• Revert "Update rust toolchain to 2025-03-12":#​77103
• perf(turbopack): Merge nodes with same starting point:#​76938
• refactor(actions): Remove turbopack magic comments:#​77063
• Update Turbopack development test manifest:#​77108
• Turbopack: move must_use to actually have an effect:#​77111
• Turbopack: align chunking with graph entries:#​76441
• Turbopack: ChunkGroup in evaluated_chunk_group:#​76593
• Turbopack:charset=utf-8 in data-url source maps:#​77112
• Update bundler production test manifest:#​77107
• Update bundler development test manifest:#​77106
• Update Turbopack production test manifest:#​77109
• docs(scripts): update Script -> beforeInteractive docs:#​77136
• Add doc for instrumentation client hook:#​77134
• docs(scripts): missing 'soon':#​77137
• doc: diff between instrumentation vs instrumentation-client:#​77143
• Alternate bundler: add index.d.ts types to plugin:#​77144
• Alternate bundler: Addreact-refresh as a dependency of plugin:#​77142
• build: Updateswc_core tov16.6.0:#​77155
• Allow building node-pty in tests:#​77187
• Don't mark ppr-errors Turbopack dev tests as failed:#​76951
• Bump lightningcss:#​77132
• Update Turbopack production test manifest:#​77183
• Turbopack: fix graph layout segment optimization:#​77094
• Turbopack: split up server actions modules for better treeshaking:#​76877
• Turbopack: conditional parse in apply_module_type:#​77191
• build: Updateswc_core tov16.6.2:#​77194
• Turbopack: more tracing:#​75351
• Update bundler development test manifest:#​77180
• Better failure tracking for middleware-custom-matchers-i18n:#​76974
• Update bundler production test manifest:#​77179
• fix(test/e2e/prerender): Remove race condition in test:#​77222
• Update Turbopack production test manifest:#​77228
• Update Turbopack development test manifest:#​77227
• [Turbopack] basic production chunking for CSS:#​75049
• docs: optimizing local dev:#​77140
• Update bundler production test manifest:#​77225
• devlow-bench: wait for complete ready for server startup event:#​77217
• fix(CI): Re-enable retries for bundler integration tests:#​77265
• Turbopack: handle non chunkable modules in module batches:#​77282
• Update Turbopack development test manifest:#​77276
• Update Turbopack production test manifest:#​77275
• Turbopack: avoid single css chunks when there is only a single chunk item:#​77283
• Update bundler development test manifest:#​77272
• Update bundler production test manifest:#​77273
• Turbopack: compute ordered entries in module batches:#​77294
• Update Turbopack production test manifest:#​77316
• Update Turbopack development test manifest:#​77317
• Update bundler production test manifest:#​77314
• fix(turbopack): Call.minify() of lightningcssStyleSheet:#​77313
• fix(CI build_and_deploy): Use a larger fetch-depth for build-native job:#​77307
• chore(turbopack): Fix a few syntactic nits:#​77310
• Update bundler development test manifest:#​77315
• Turbopack: refactor CssEmbed to avoid creating a chunk item:#​77303
• fix: Updateswc_core and userayon instead ofchili:#​77338
• Fix chakra link:#​77280
• Update Turbopack production test manifest:#​77366
• Update Turbopack development test manifest:#​77365
• Turbopack: ignore static asset imports for Edge:#​77382
• Update bundler development test manifest:#​77364
• docs: clarify middleware use cases:#​77438
• fix(turbopack-bench): Limitcopy_dir concurrency to avoid running out of file descriptors:#​77468
• docs: fix typo:#​77483
• Updateswc_core tov16.10.0:#​77489
• fix(turbopack): Use strongly consistent reads for sourcemaps in napi FFI boundary:#​77511
• Update mappings inlaunch.json to improve debugging in VSCode:#​76559
• chore(ci): Configure codspeed:#​76884
• Update bundler production test manifest:#​77602
• Update bundler development test manifest:#​77603
• Update Turbopack development test manifest:#​77605
• Update Turbopack production test manifest:#​77604
• Turbopack build: Fix symbolic-file-links test:#​77615
• Update pnpm swc-build-native's file path:#​77623
• fix: Use standard PostCSS configuration in create-next-app format for ecosystem compatibility:#​77376
• Turbopack build: Fix basepath test:#​77630
• Turbopack: disable pages dir css test cases:#​77380
• Update bundler development test manifest:#​77627
• Update Turbopack development test manifest:#​77628
• Update bundler production test manifest:#​77626
• refactor(turbo-tasks): Make TraceRawVcs a supertrait of TaskInput:#​77397
• refactor(turbo-tasks): Make TraceRawVcs a supertrait of MagicAny:#​77596
• fix(turbopack): Recognize urls starting with // as external:#​77526
• Update CI build caching docs to includebun and other package manager:#​77633
• fix(turbopack): Fix panic while tree shaking optimization:#​77492
• fix(turbopack): Prevent duplicate in tree shaking:#​77491
• Turbopack: Skip ssr processing when next/dynamic ssr: false:#​77636
• Turbopack Build: CSR bailout test skip check for file path:#​77639
• Turbopack: fix side effects optimization bug:#​77640
• Turbopack: add tracing for fetch calls:#​77673
• [test] Update stale snapshots:#​77680
• Turbopack: fix bug in handling of module batches:#​77638
• pack-next: use default--js-build as option instead of--no-js-build:#​77686
• Turbopack: Allow overriding tsconfig path via next-config:#​77563
• Scripts: migrate unpack-next to TypeScript:#​77538
• chore(turbopack): Make TaskInputs use ResolvedVc:#​77700
• Getting Started Docs: AddMetadata and OG images page:#​74077
• Getting Started Docs: AddUpgrade page:#​77717
• Docs IA 2.0: RenameExamples toGuides:#​77722
• build: Updateswc_core tov19.0.0:#​77669
• Add Josh to Turbopack team for created-by label:#​77738
• Turbopack: use better ident for worker chunk group:#​77731
• chore(turbo-tasks): Remove redundant ast-grep lint rule:#​77701
• fix(docs): update error type in notFound function description:#​77503
• Update bundler development test manifest:#​77706
• Update Turbopack production test manifest:#​77709
• Turbopack: refactor resolve_url_reference to avoid chunk_path:#​77732
• Update Turbopack development test manifest:#​77708
• Port "app-document" test to e2e:#​77748
• [ci]: skip build-windows job for docs only change:#​77743
• Update bundler production test manifest:#​77707
• chore(turbo-tasks): Audit all remaining uses ofVc in a struct:#​77756
• docs:instrumentation-client follow up:#​77752
• [test] Get rid of unrelated "Invalid hook call" error from tests usingstyled-components:#​77736
• Turbopack: keep side-effect-full imports:#​76545
• Docs: Recommend inlineuse server and update examples:#​77770
• Revert "Docs: Recommend inlineuse server and update examples":#​77771
• doc: useLinkStatus:#​77648
• Update Turbopack production test manifest:#​77767
• Update bundler development test manifest:#​77765
• [docs] fix lint issue in use link status doc:#​77785
• doc: onNavigate:#​77647
• Update bundler production test manifest:#​77764
• doc: useLinkStatus doc follow-up:#​77790
• Update Turbopack development test manifest:#​77766
• [ci] remove needs build-native for lint job:#​77787
• test(examples): update turbopack manifest:#​75092
• [test] fix bad test fixuture for perf test:#​77804
• [test] fix react 19.1 related tests:#​77809
• doc: onNavigate follow-up:#​77805
• fix(turbopack): Applyhygiene if mangling is disabled:#​77815
• Turbopack: omit empty source map when code starts with a new line:#​77734
• [next-lint] test: remove eslint config snapshot testing:#​77818
• Turbopack: avoid deriving css source map path from generated code path:#​77735
• Turbopack: pass asset to chunk_path to allow to use content hash later:#​77772
• Docs IA 2.0: AddDeep Dive section placeholder:#​77724
• Turbopack: use document.currentScript instead of chunk path literal:#​77773
• Turbopack: don't include client-fs assets in NFT:#​77799
• Turbopack: enable content hashing in production:#​77775
• Turbopack: correctly trackawait import("path") in static analysis:#​77811
• fix(turbopack-cli): Make turbopack_cli::dev::source a persistent (non-transient) task:#​77798
• [test] temporarily disable flaky test for react 18:#​77848
• Update Turbopack production test manifest:#​77872
• Rename process.env.TURBOPACK to process.env.IS_TURBOPACK_TEST for tests:#​77892
• [test] consolidate missing tag dev test:#​77896
• fix(Turbopack): Intermittent CapacityExceeded Error in Persistent Caching:#​77691
• fix: flaky test detection needs to use new turbopack flag:#​77908
• fix: apply Geist fonts correctly on default cna template:#​77237
• Update bundler development test manifest:#​77884
• Update bundler production test manifest:#​77885
• Update Turbopack development test manifest:#​77886
• Update bundler production test manifest:#​77914
• Update bundler development test manifest:#​77915
• fix(turbopack): Applyimport_map option ofswc_emotion correctly:#​71776
• Turbopack: handle removed routes:#​77890
• build: Updateswc_core tov21.0.1:#​77918
• IA 2.0: ReviewGetting Started Section:#​77921
• test: attempt to de-flake rsc-basic:#​77934
• docs: revert image 15.3 change until live:#​77941
• Turbopack: remove CSS comments when minifying:#​77940

Credits

Huge thanks to@​raunofreiberg,@​huozhi,@​ijjk,@​timneutkens,@​gaojude,@​leerob,@​mezotv,@​bgw,@​samcx,@​ztanner,@​sokra,@​mischnic,@​wbinnssmith,@​kdy1,@​unstubbable,@​ahabhgk,@​ScriptedAlchemy,@​SukkaW,@​wyattjoh,@​eps1lon,@​Amirroid,@​Netail,@​lubieowoce,@​gnoff,@​jackwilson323,@​acdlite,@​sbougerel,@​kevva,@​kasperpeulen,@​Cy-Tek,@​dvoytenko,@​husseinraoouf,@​isBatak,@​iamkd,@​delbaoliveira,@​jantimon,@​padmaia,@​Bernardoow,@​styfle,@​devjiwonchoi,@​JamBalaya56562, and@​Marukome0743 for helping!

v15.2.5

Compare Source

[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.

Core Changes

• Update swc_core and use rayon instead of chili (#​77338)
• Update swc_core to v16.6.2 (#​77194)
• Update swc_core to v16.6.0 (#​77155)
• [og] fix vercel og build issue on windows (#​77650)
• clean up useReducer code re dev indicator (#​77354)
• [dev-overlay] ensure stripping overlay bundle in prod build (#​76976)

Credits

Huge thanks to@​huozhi,@​gaojude and@​kdy1 for helping!

v15.2.4

Compare Source

[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.

Core Changes

• Match subrequest handling for edge and node (#​77474)
• exclude images and static media from dev origin check (#​77417)
• ensure /__next middleware URLs are included in the origin check (#​77416)
• remove direct ip/port bypass in dev origin check (#​77414)
• switch development origin verification to be opt-in rather than opt-out (#​77395)

Credits

Huge thanks to@​ijjk and@​ztanner for helping!

v15.2.3

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[!NOTE]
This release is backporting bug fixes. It doesnot include all pending features/changes on canary.
This release contains a security patch forCVE-2025-29927.

Core Changes

• Update default allowed origins list (#​77212)
• unify allowed origin detection handling (#​77053)
• Add dev warning for cross-origin and stabilize allowedDevOrigins (#​77044)
• Ensure deploymentId is used for CSS preloads (#​77210)
• Update middleware request header (#​77201)
• [metadata] remove the default segement check for metadata rendering (#​77119)
• [ts-hint] fix vscode type hint plugin enabling (#​77099)
• [metadata] re-insert icons to head for streamed metadata (#​76915)

Credits

Huge thanks to@​ijjk,@​ztanner, and@​huozhi for helping!

v15.2.2

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Core Changes

• [dev-overlay] fix styling on overflow error messages, add button hover state:#​76771
• Fix: respond 405 status code on OPTIONS reques