v14.1.0

Core Changes

• Turbopack: switch to a single client components entrypoint: #59352
• Update swc_core to v0.86.98 and turbopack: #59393
• Fix cases for the optimize_server_react transform: #59390
• Use new JSX transform: #56294
• loading.tsx should have no effect on partial rendering when PPR is enabled: #59196
• Update font data: #59426
• Remove CacheNode.status field: #59472
• Rename CacheNode.data → .lazyData : #59473
• Generate Params Cleanup: #59431
• Fix webpack chunks handling in traces: #59498
• Rename CacheNode.subTreeData -> .rsc : #59491
• fix NODE_OPTIONS=inspect: #59530
• Add CacheNode.prefetchRsc field: #59537
• allow passing wildcard domains in serverActions.allowedDomains: #59428
• Page Info Cleanup: #59430
• Fix force-static and fetch no-store cases: #59549
• Should not show no index for client rendering bailout: #59531
• Enable build worker by default: #59405
• Fork navigateReducer into PPR and non-PPR versions: #59538
• cleanup magic segment strings: #59552
• chore: update Turbopack: #59589
• Fix another magic segment string constant: #59591
• Make CacheNodeSeedData match FlightRouterState more closely: #59590
• transpilePackages should override default settings for external packages: #59385
• move segment constants to separate file: #59587
• Revert "Page Info Cleanup (#59430)": #59592
• Fix useOptimistic in server components bug. Add tests for invalid React server APIs: #59621
• Partial Pre Rendering Headers: #59447
• Add tests for invalid React server APIs: #59622
• Refactor setup-dev-bundler to make Turbopack/Webpack split clearer: #59650
• refactor and simplify app dynamic components: #59658
• Change manifestPath to pagesManifestPath: #59657
• Fix issue with outputFileTracingExcludes and pages/api edge runtime: #59157
• Update font data: #59722
• Remove path normalization logic when uploading .next/trace traces: #59305
• LayoutRouter: Support segment value of Promise to asynchronously bail out and trigger a server patch: #59724
• fix: Allow start turbopack dev server for a project using middleware: #59759
• fix: gracefully shutdown server: #59551
• Revert "fix: gracefully shutdown server (#59551)": #59792
• Optionally bundle legacy react-dom/server APIs based on usage: #59737
• fix default handling in route groups that handle interception: #59752
• Transpile all code on app browser layer: #59569
• Initial implementation of PPR client navigations: #59725
• fix(turbopack): prevent edge entrypoint from becoming an async module: #59818
• Ensure we validate revalidate configs properly: #59822
• Update error check in validateRevalidate: #59826
• Rename confusing loaders: #59827
• Upgrade og dependencies: #59541
• [PPR Navs] Bugfix: Dynamic data never streams in if prefetch entry is stale: #59833
• fix parallel catch-all route normalization: #59791
• fix router prefetch cache key to work with route interception: #59861
• Alias nextjs api entry to esm version for app router: #59852
• Remove duplicate standalone check: #60085
• Remove return on void function: #60087
• Ensure NextBuildContext is only used during build: #60099
• Add PageExtensions type: #60108
• Ensure instrumentation file does not affect middleware count: #60102
• Use WebpackError type instead of any: #60105
• Remove root parameter: #60112
• Remove extra duplicate pages warning: #60113
• Add MappedPages type: #60106
• Always call createPagesMapping for root paths: #60107
• Fix path issues on linux machines when build created on windows: #60116
• fix: Fix wrong cjs detection of auto-cjs pass: #60118
• chore: update Copyright time from 2023 to 2024: #60071
• Filter out duplicate paths in build output: #59858
• chore: align webpack config node version: #59862
• gracefully handle client router segment mismatches: #60141
• Fix start build log being overwritten by logs from page: #60122
• Allow using ESM pkg with custom incremental cache: #59863
• Fix emitting ESM swc helpers for 3rd parties CJS libs in bundle: #60169
• Move cacheDir logic to getCacheDir: #60133
• Refactor to unify writeFile, readFile, and add readManifest: #60137
• chore: bump @vercel/nft@0.26.2: #60172
• fix: <Script> with beforeInteractive strategy ignores additional attributes in App Router: #59779
• Fix invalid comment: #60182
• Refactor: Separate RSC renderer from SSR wrapping component: #59676
• fix: cache next font during development to avoid FOUC: #60175
• Add writeManifest: #60138
• Add writePrerenderManifest: #60158
• Add writeStandaloneDirectory: #60162
• Always write FunctionsConfigManifest: #60163
• Upgrade @vercel/og: #60205
• Improve consistency of issues and diagnostics for napi calls: #60198
• Change server actions cache default to no-store: #60170
• Allow undefined environment variables in config: #58247
• Add writeFullyStaticExport: #60200
• fix: Mark file as ESM if it has an export from auto-cjs pass: #60216
• log a dev warning when a missing parallel slot results in a 404: #60186
• Fix: Throw an error for empty array return in generateStaticParams with output:export: #57053
• Ensure appPathsManifest variable is inside if block: #60210
• Remove NEXT_TURBO_FILTER_PAGES internal variable: #60217
• fix: add node-web-audio-api to server-external-packages.json: #60243
• Disable 2mb limit for custom incrementalCacheHandler: #59976
• [PPR Nav] Fix: Page data should always be applied: #60242
• Add writeImagesManifest: #60209
• feat(next-core): apply rsc transform in turbopack: #59629
• Move buildId logic to getBuildId: #60132
• fix catch-all route normalization for default parallel routes: #60240
• micro fix of the cache limit check: #60249
• parallel routes: fix @children slots: #60288
• Bump webpack-bundle-analyzer: #58442
• docs: Add docs for next dev --experimental-https: #60357
• Update React from 0cdfef19b to f1039be4a: #60368
• Simplify if condition: #60250
• Fix dynamic sitemap detection: #60356
• chore(font): enable minification: #60319
• chore(precompile): remove obsolete precompiled assets : #60316
• refactor: simplify the call in lib.picocolors: #60386
• chore(precompile): re-add watchpack to the precompile: #60309
• refactor(dev-overlay): remove chalk: #60317
• Fix: HMR in multi-zone handling 🌱: #59471
• HMR development stats: include updatedModules for App Router and Turbopack changes: #59785
• Change color of output bundle size: #60385
• Fix TypeError when using params in RootLayout with parallel routes: #60401
• Fix missing source code display for some jsx errors: #60390
• Refactor unstable_cache implementation: #60403
• Missing Postpone Detection Fix: #59891
• refactor(next/core): reorganize next.js custom transforms for next-swc/turbopack: #60400
• Fix custom cache handler importing on windows: #60312
• Display original failed fetch trace: #60274
• feat(app-router): introduce experimental.missingSuspenseWithCSRBailout flag: #57642
• update turbopack: #60208
• update turbopack: #60478
• feat(turbopack): support named client references properly: #59578
• Fix intercepted segments with basepath: #60485
• parallel routes: fix client reference manifest grouping for catch-all segments: #60482
• Group small chunks in shared js section of output: #60479
• filter default segments from prerender manifest: #60499
• Add experimental options for more parallelization in webpack builds: #60177
• move custom allocator flag and add rustls-tls comment: #60128
• fix: redirect logic missing basePath in App Render: #60184
• Revert "feat(app-router): introduce experimental.missingSuspenseWithCSRBailout flag": #60508
• add retry logic to loadClientReferenceManifest: #56518
• Turbopack hmr: record forwarded client spans: #60500
• chore(turbopack): check for unsupported next config options instead of supported ones: #58781
• Handle non server action post requests safely: #60526
• Fix global-error for nested routes: #60539
• chore(examples): use default prettier for examples/templates: #60530
• Update default error rate for client filter: #60542
• Enable windowHistorySupport by default: #60557
• Fix logging order of build jobs: #60564
• propagate notFound errors past a segment's error boundary: #60567
• Tracing: attach Turbopack session value to root span: #60576
• [PPR Nav] Fix flash of loading state during back/forward: #60578
• Fix react-refresh for transpiled packages: #60563
• Ensure client filter with basePath is correct: #60580
• Update React from f1039be4a to 60a927d04: #60619
• Add cache reason for using fetch with noStore: #60630
• chore: remove unused export: #60647
• remove next build turbopack version: #60655
• fix breakpoints on reload: #60507
• Fix hmr updates with rebuilding for build errors: #60676
• graceful shutdown: #60059
• refactor(next-swc): remove unused crashreporter: #60593
• chore(eslint-plugin-next): upgrade glob dependency: #60732
• Fix client reference keys of barrel-optimized files: #60685
• Fix recursive ignoring case in build traces: #60740
• Telemetry: allow disabling of fetch tracing: #60588
• chore: typo, responseCookes to responseCookies: #60654
• Telemetry code load: #60594
• allow to pass available chunk items when creating a chunk group: #60554
• separate chunking per layout parts: #60569
• feat(next-core): port remaining next.js custom transforms: #60498
• Reapply "feat(app-router): introduce experimental.missingSuspenseWithCSRBailout flag" (#60508): #60751
• Skip postcss config location resolving in node_modules: #60697
• apply page transforms only on pages: #60779
• fix layout segment key to match up with manifest: #60783
• Fix locale domain public files check: #60749
• Stabilize custom cache handlers and changing memory size.: #57953
• feat: stabilize unstable_getImgProps() => getImageProps(): #60739
• Fix Server Actions compiler bug: #60794
• Dev Server: Preserve globals overwrites in the initialization hook: #60796
• add missing function call to normalize-catchall-routes test case: #60777
• Use snapshots for component-stack tests: #60768
• Support next/og usage in ESM nextjs app: #60818
• fix(ts): auto-complete next/headers: #60817
• Remove the warning for build worker when custom webpack present: #60820
• chore(deps): update browserslist and caniuse-lite: #60827
• feat: support custom image loaders in turbopack: #60736
• Ensure request specific caches for revalidate are reset: #60810
• Add metrics names for unstable_cache: #60802
• Fix: respect init.cache if fetch input is request instance: #60821
• Revert "Fix: Throw an error for empty array return in generateStaticParams with output:export": #60831
• turbopack: rename custom cache handler configs: #60828
• dx: warn the deprecated cache configs are used: #60836
• Enable missing suspense bailout by default: #60840

Documentation Changes

• Docs: Update Server Actions Docs: #59080
• Docs: Polish Server Actions Page 💅🏼 : #59400
• Update 10-route-handlers.mdx: #59443
• docs: remove broken link: #59487
• Docs: Add App Router Testing Guides and update /examples: #59268
• docs: fix bad closed tag: #59575
• Fix closing tags for jest docs: #59579
• Docs: Fix formatting in testing docs and update examples dependencies: #59572
• Docs: Add missing closing tag: #59581
• Docs: Review and update getServerSideProps page: #59545
• docs: add note for environment variables on Vercel deployment: #59237
• docs(accessibility): updates WCAG version to 2.2: #59646
• docs: small tweaks: #59638
• docs: fix broken backtick for link: #59717
• Docs: Document generateSitemaps: #59626
• Docs: Polish testing section: #59618
• docs: improve docs around geolocation and IP headers: #59719
• Docs: Review and Typo Fix - getServerSideProps: #59616
• docs: fix vitest example link in testing with vitest: #59659
• docs: fix grammar issue in 03-get-server-side-props.mdx: #59670
• Includes section to @next/third-parties documentation for Google Analytics: #59671
• Change file extension to .tsx: #59763
• docs: clarify data fetching pattern: #59602
• change 'themeColor' to 'viewport' in the viewport section: #59764
• docs: add missing comma to sitemap.mdx: #59788
• Chore docs fix runon and definition of trailing slash redirect: #59889
• Minor grammar edits: #59887
• Introduce cache version history in cache API: #59799
• docs: correct type in sitemap.mdx: #59787
• chore(docs): Remove typesafe-i18n from thrid-party i18n options: #59624
• docs: Add Chakra UI setup guide: #59275
• Update not-found.mdx: #59478
• Updates references for styled-components configuration in next.config.js: #59495
• Update 05-mdx.mdx: #57988
• Mention remark-mdx-frontmatter in frontmatter docs: #59238
• Docs: Rename React Query to TanStack Query: #59004
• Add cwd to VSCode debugging setup steps: #58689
• [Docs]: fix tiny typo: #59897
• [docs] Add sensible name for Cookie deleting functions: #57893
• Update generate-viewport.mdx: #57701
• Update opengraph-image.mdx: #57810
• [docs] Update example links.: #57891
• docs: clarify setting and reading cookies from Route Handlers: #59915
• docs: add Sirv loader for next/image: #57102
• docs: fix prettier lint: #59918
• docs: Add media example for icon metadata: #56141
• Fix typo in generate-sitemaps.mdx docs: #59964
• Update 02-server-actions-and-mutations.mdx: #59935
• Update 08-parallel-routes.mdx: #59966
• Updates "No Before Interactive" error message for App router: #56033
• docs: Update Middleware docs on ignoring prefetches: #56799
• docs: add note that contentlayer is unmaintained: #59927
• docs: small changes to linking docs: #59982
• docs: opengraph / twitter image needs absolute URL: #59985
• docs: fix typo for useFormState: #60010
• docs: clarify using redirect with client components: #60056
• Update documentation to reflect added support for 'userScalable' field in 'viewport': #60033
• docs: Add section for CSP without nonces: #60067
• docs: update install count: #60072
• docs: fix version history order in sitemap.mdx: #60054
• docs: clarify generateStaticParams and dynamicParams: #60083
• docs: update maxDuration info: #60086
• docs: ⌘+Enter for forms: #60090
• Clarify measurement ID in Optimizing: Third Party Libraries: #60136
• Update 03-css-in-js.mdx : fix typo: #60114
• docs: small wording fix for 03-linking-and-navigating.mdx: #60089
• Docs: If revalidatePath's path has dynamic segment path, type must be page.: #59149
• docs: improve grammar: #60149
• Fix config code in the CSS-in-JS chapter: #60164
• Updating example with required content type in header: #59990
• Adds a section to Optimizing: Third Party Libraries on tracking pageviews for Google Analytics: #60176
• Update route-segment-config.mdx: #60179
• docs: Fix typo on generate-sitemaps.mdx: #60188
• small correction in 11-middleware.mdx: #60189
• docs(trailingSlashes): add note for SSG generation: #57628
• docs: fix typos and broken links in the image.mdx: #60221
• Docs: Fix revalidate type annotation: #60230
• Update 02-server-actions-and-mutations.mdx: #60222
• fix(docs): add missing docs on external packages: #60244
• Docs: Add "Going to production" page for App Router: #59304
• Docs: Update compression docs: #60264
• Docs: Clarify useSearchParams behavior: #60257
• Docs: Add more clarification about compress : #60268
• Clarify searchParams is not passed to Layouts: #60277
• docs(testing): add bun command to running your tests section: #60281
• chore(docs): add section for Custom Type Declarations: #60282
• docs: small corrections to bundle analyzer docs: #60285
• docs: typo fix in compression page: #60318
• docs: add example of webhooks with App Router: #60276
• docs: add optional catch-all segments typescript example: #60237
• Update use-search-params.mdx: #55357
• docs: address a few open issues: #60329
• docs: next/head: Document error cases with head/body-tags; add subheadings: #56412
• Fix bundle analyzer NPM package name in documentation: #60339
• [doc] Update 03-linking-and-navigating.mdx: #60345
• add missing types: #60346
• docs: update docs for remotePatterns to mention what happens when prop is omitted: #60387
• Docs: Update note on @next/third-parties being experimental: #60372
• chore(docs): fix 14 upgrade guide mentioning export: #60429
• chore(docs/errors): Improve documentation grammar: #60452
• Docs: Address Community Feedback: #60476
• for #59178 - addition to robots.mdx - Customize user-agent rules: #60361
• Docs: Document windowHistorySupport flag, and add pushState/replaceState examples: #60374
• docs: correct windowHistorySupport title: #60503
• chore: correct subject-verb conjugation in Client Components doc: #60538
• Add "Redirecting" page in the Routing section: #60435
• docs: small fix in Redirecting page: #60583
• fix(mdx): update word order, fix typo: #60466
• Add documentation for client router filter: #60585
• docs: Update Google Analytics error doc: #60612
• docs: remove Next 13 mention for App Router: #60632
• Fix Typo in Testing Documentation Description: #60601
• chore: remove duplicate package name: #60652
• chore(docs): add docs for .svg unoptimized behavior: #60735
• add authentication docs page: #60388
• chore(docs): fix example documentation for Art Direction: #60823
• docs: add build worker optout error back with upgrade advice: #60826
• Docs: Use JS comment for MDX: #60825
• Fix error from the auth docs.: #60829

Example Changes

• Updates the with-vitest example. Unlocks the tests passing with server-only usage: #58902
• Add text-wrap: balance to CNA template for card descriptions: #59384
• fix: Invalid next version tag name in with-cypress example: #59647
• Fix: Add matcher for middleware: #59651
• examples: Add new NextAuth.js example: #56914
• examples: add required env vars to auth example.: #59901
• examples: update Redis to App Router: #59311
• examples: remove broken deploy button: #58794
• examples: progressive enhancement for Redis example: #59937
• Update .env.local.example of with-firebase example: #59954
• Upgrade with-algolia-react-instantsearch example to latest major version and use app router: #59961
• Rename .env.local.example to .env.example: #59984
• Update Convex Example: #59789
• examples: Update next-forms example: #60052
• chore(cms-contentfu): fix contentful instructions: #60050
• examples: improve typings for i18n app dir: #60160
• chore(examples): migrate image-component example to App Router: #60289
• fix(#58695): improve zustand example: #58696
• examples: add allow-unauthenticated option to cloud run deploy: #58792
• fixed import path in with-jest template.: #60332
• chore(examples): fix image-component example viewsource paths, shimmer page filename: #60451
• Update cache-handler-redis example dependencies: #59458
• examples: Update hello world: #60502
• chore: Fix typo s/desireable/desirable/: #60518
• chore: Fix multiple typos: #60531
• examples: Update redis example with useOptimistic: #60596
• Update README.md: #60595
• chore(example): update storybook: #60737

Misc Changes

• Revert "Skip latest commit check for stable release": #59401
• ci(workflow): restore publish wasm binary: #59414
• ci: only run release commit check on canary releases: #59423
• test(runner): preserve browser tracing if test fails: #59469
• Adding Google analytics to next/third-parties: #58418
• ci(test): upload playwright artifacts seperately: #59496
• fix integration test workflow: #59508
• Fix third party typings: #59503
• test(fixture): try to include sources in the snapshot: #59499
• chore: bump typescript-eslint to 6.14: #59514
• Update Deployment Testing: #59448
• fix(playwright): teardown when global quit force terminates browser: #59548
• chore(create-next-app): bump prompts to v2.4.2: #59006
• types: cover the tests with root tsconfig.json: #59550
• Fix test/tsconfig.json alias for internal test utils: #59570
• test(integration): adjust fixture to work with turbopack: #59595
• Add test for importing client components from server actions: #59615
• chore: extends from shared base tsconfig: #59776
• Update Turbopack test manifest: #59798
• Fix CI: Skip test in PPR dev mode, too: #59817
• Add unstable_cache validate test case: #59828
• Update swc_core to v0.87.10: #59834
• chore: add github bug report item type module resolution: #60121
• chore: add myself to created-by: Next.js team: #60144
• chore: include required Next.js stages to issue template: #60142
• searchParameters test for PPR: #59678
• Getting rid of a few TypeScript anys.: #60017
• fix responsiveness in starter templates: #60140
• fix(generators): update errors gen: #60233
• chore: test against latest sharp: #60226
• style: enforce prop immutability in new next app: #58845
• Update flakey test from port re-use: #60291
• chore: update pnpm to the latest (v8.14.0): #60295
• docs: update broken link in UPGRADING.md: #60342
• Update Turbopack test manifest: #60306
• Update Turbopack test manifest: #60371
• Update swc_core to v0.87.16: #60192
• Add replay.io test suite dependencies: #60381
• chore: update turbo to the latest: #60294
• Update Turbopack test manifest: #60413
• Update testing contributor guide: #60421
• chore: skip flaky turbopack navigation test: #60431
• ci: skip cron workflows on forks: #60422
• Add reproduction for HMR moving / renaming files.: #57230
• add tests for incremental-cache: #60331
• chore: fix postinstall when using tarball: #60443
• test: use replay jest runner to add current test name to recording: #60438
• misc: Skip cron workflows on forks: #60487
• Handle pages double render for useParams in tests: #60486
• Transition some check calls in tests to retry: #60489
• Use next.config.mjs for CNA templates: #60494
• Update Turbopack test manifest: #60504
• run tests from test suite that are not listed in the manifest: #58401
• Add --ci to jest tests in CI: #60432
• Ensure aliased variable is used in test: #60428
• Update Turbopack test manifest: #60506
• Skip webpack loader test in Turbopack: #60509
• Revert "Skip webpack loader test in Turbopack": #60513
• Revert "Revert "Skip webpack loader test in Turbopack"": #60514
• Remove unused target: es5 from tsconfig.json in create-next-app: #60521
• refactor(cna): make create-next-app even smaller and faster: #58030
• Expand hydration error test to check recovery: #60423
• chore: update pull_request_approved workflow: #60537
• chore: add issue_popular workflow: #60543
• Update Turbopack test manifest: #60553
• chore: update next-repo-info actions: #60559
• chore(git): add .git-blame-ignore-revs: #60582
• chore: remove pr_approved workflow & update popular_issues workflow: #60584
• test(fixture): update assertion for turbopack: #60579
• Remove duplicate pages -> app test: #60589
• Update flakey dev middleware test: #60590
• Add hasRedbox fix: #60522
• Turbopack test updates: #60662
• Remove normalizeSnapshot as it is no longer used: #60664
• Stabilize flakey edge-module-error test: #60728
• Update module-layer test for Turbopack: #60707
• chore: bump nissuer: #60706
• test(fixture): update assertion for turbopack: #60750
• Update developing.md to include "Install Rust and Cargo" as 1st step: #60761
• Fix tests exit race condition: #60757
• Update ReactRefreshRegression test snapshot for Turbopack: #60767

Credits

Huge thanks to @delbaoliveira, @OlehDutchenko, @sokra, @huozhi, @shuding, @kwonoj, @ztanner, @eps1lon, @acdlite, @ebidel, @leerob, @janicklas-ralph, @wyattjoh, @ijjk, @JohnPhamous, @chentsulin, @akawalsky, @BlankParticle, @timneutkens, @ForsakenHarmony, @dvoytenko, @smaeda-ks, @kenji-webdev, @rv-david, @icyJoseph, @dijonmusters, @A7med3bdulBaset, @jenewland1999, @mknichel, @kdy1, @housseindjirdeh, @max-programming, @redbmk, @SSakibHossain10, @jamesmillerburgess, @minaelee, @officialrajdeepsingh, @LorisSigrist, @yesl-kim, @StevenKamwaza, @manovotny, @mcexit, @remcohaszing, @ryo-manba, @TranquilMarmot, @vinaykulk621, @haritssr, @divquan, @IgorVaryvoda, @LukeSchlangen, @RiskyMH, @ash2048, @ManuWeb3, @msgadi, @dhayab, @ShahriarKh, @jvandenaardweg, @DestroyerXyz, @SwitchBladeAK, @ianmacartney, @justinh00k, @tiborsaas, @ArianHamdi, @li-jia-nan, @aramikuto, @jquinc30, @samcx, @Haosik, @AkifumiSato, @arnabsen, @nfroidure, @clbn, @siddtheone, @styfle, @zbauman3, @gnoff, @anthonyshew, @alexfradiani, @CalebBarnes, @adk96r, @pacexy, @hichemfantar, @michaldudak, @redonkulus, @k-taro56, @mhughdo, @tknickman, @shumakmanohar, @vordgi, @StephDietz, @hamirmahal, @gaspar09, @JCharante, @sjoerdvanBommel, @mass2527, @N-Ziermann, @tordans, @davidthorand, @rmathew8-gh, @chriskrogh, @shogunsea, @auipga, @SukkaW, @agustints, @wbinnssmith, @feedthejim, @OXXD, @clarencepenz, @better-salmon, @808vita, @coltonehrman, @tksst, @hugo-syn, @JakobJingleheimer, @Willem-Jaap, @brandonnorsworthy, @jaehunn, @balazsorban44, @kooya3, @wan2land, @AugustinMauroy, and @williamli for helping!