next

Core Changes

• Add Zod and router state validation: #46962
• Support default arrow function export in server boundary #46977
• Generate fixed route path for favicon.ico: #46997
• update turbopack: #46994
• Update next/font/google data: #46988
• fix: added jsdom & canvas to the external packages list - fixes #46893: #46990
• Add auto-detection of image/x-icon content type: #47013
• fix: exclude 'mdx-bundler' from being bundled in server components: #46992
• Add /route subpath to metadata static routes: #47030
• Ensure router.refresh() matches revalidatePath('/') behavior: #46723
• Reorganize client references manifest: #46777
• Opt-in to dynamic rendering when reading searchParams: #46205
• Fix CSS not being bundled in app dir: #45787
• feat(standalone): allow configuring KEEP_ALIVE_TIMEOUT via env var: #46052
• i18n Improvements: #47174
• Support manifest.json static and dynamic route: #47240
• Ensure config and fetch revalidate are honored: #47255
• feat: add fetchPriority to next/image: #47222
• chore: add missing ts type in next-edge-app-route-loader: #47243
• Split app-render functions into separate files: #47282
• fix: typo in output:export error messages: #47252
• fix: handle different cases of React fetchPriority: #47302
• [edge] limit the api surface of util: #47292
• parallel routes: fix duplicate dev warning: #47317
• next/font/local prep: compartmentalize next/font/google: #47213
• Improve OTEL spans naming: #47209
• fix invalid comment in parseParameter function: #47291
• Add searchParams to leaf cache key: #47312
• Remove duplicated if statement: #47322
• Add a .catch to shared router for ssg fetching.: #47265
• parallel routes: fix nested routes: #47323
• [Nitpick] Remove unnecessary await in base-server: #47313
• Warn about default exports with App Routes: #47263
• Add better-sqlite3 to server external packages: #47327
• Change App Route Route Handler signature: #47268
• Calling turbopack from the next build CLI: #46602
• Update Turbopack to turbopack-230321.1: #47342
• parallel routes: fix HMR refetch issue: #47343
• Fix bad route path for custom metadata routes: #47286
• Fix POST fetch request cache heuristic in POST route handler: #47333
• Fix: only apply metadata dynamic image routes convention for app dir: #47367
• Marks app paths in dev as supporting dynamic html: #46848
• fix: add pretty error for exportPathMap with app dir: #47371
• Skip extra swc builds: #47378
• Simplify moduleProxy alias: #47381
• Skip warning if there is app directory for no-html-link-for-pages rule: #42516
• Catch redirect() in root layout: #47345
• Add useParams(): #47373
• Refactor ES chunk evaluate logic into a Runtime trait: #47116
• Add more spans into OTEL instrumentation to wrap all user defined functions: #47368
• Support HOC cases in server entries: #47379
• Support dynamic routes for social images and icons: #47372
• Fix build spinner in TTY env: #47383
• upgrade vendored React to 18.3.0-next-12a1d140e-20230321: #47405
• Add default meta tags to error page: #47404
• Extend not-found.js to catch all unmatched routes: #47328
• Add optional match support of rewrites and redirects in typedRoutes: #47398
• Support dynamic routes for social images and icons: #47425
• turbopack: Implement streamed middleware: #47264
• Fix twitter metadata info merging: #47433
• improve source mapping of console output and errors: #47388
• Fix closure and rest params handling in SWC transform: #47401
• feat: change next build to emit output with output: export: #47376
• Error during dev if returning Response in pages API routes in Node.js runtime: #47442
• Add content hash for dynamic og image routes: #47440
• chore: add telemetry for output: export: #47464
• Update fetch cache memory handling: #47465
• add useReportWebVitals that makes use of web-vitals package: #47319
• Ignore folders prefixed by underscore (_) in App Router: #47439
• Finalize HOC support with server entries and add encodeReply & decodeReply: #47438
• Locale fixes for App Directory: #47429
• Fix useSelectedLayoutSegments including PAGE: #47492
• parallel routes: implement default route + fix bugs on navigation: #47436
• Add http.route into root otel span: #47392
• fix: typo in max cache size error message: #47505
• Fix other case for useSelectedLayoutSegments: #47511
• fix error handling and hanging problems: #47457
• restore dynamic directory embedding: #47260
• Remove head.js: #47507
• Return null for useParams in pages: #47490
• Clean up leftover loaders: #46801
• Feat(next-types-plugin): added support for Route Handlers: #47185
• Add warning when deopting page into client rendering entirely: #47531
• Integrating capsize latest: #47428
• Rename app-render/index.tsx to app-render/app-render.tsx: #47285
• refactor(relay): Use transform from swc/plugins repository: #47441
• remove unused turbo dependencies: #47557
• Add initial tree shaking refactorings: #47559
• next/font/local support for Turbopack: #47369
• Handle unknown platform triples in next-swc: #47570
• Fix fetch cache config and fetch revalidates: #47573
• Fix instrumentation not being called on edge in some cases: #47495
• Implement automatic font fallback support for next/font/local: #47463
• Document various structs and methods in next/font: #47588
• Fix race condition of invalidation: #47586
• add test case for nested imports: #47580
• Underscore Handling Fixes: #47581
• Move App Route handler logic into bundle: #47582
• Revert "Move App Route handler logic into bundle": #47614
• Make sure the global not found route doesn't conflict with existing /not-found route: #47619
• Fix robots.txt generation: #47625
• fix typescript errors in next-core: #47607
• Expose metadata types: #47630
• show most recent error first in turbopack error overlay: #47414
• Move App Route handler logic into bundle: #47633
• fix: handle output: export with use client: #47635
• provide Buffer polyfill to client and edge: #47610
• fix: image loaderFile with edge runtime: #47659
• Update vendored react to 18.3.0-next-85de6fde5-20230328: #47675
• fix: improve type of ExportPathMap: #47676
• Fix(next-types-plugin): remove unused imports: #47667
• resolve browser modules for edge api in turbopack: #47604
• build(next-swc): introduce turbo-binding: #47512
• Revert "Update vendored react to 18.3.0-next-85de6fde5-20230328": #47687
• Fix next-types-plugin generated files for Node16/NodeNext: #47571
• Revert "Vendor @vercel/og and expose ImageResponse (#47657": #47711
• fix: handle empty src prop on next/image: #47695
• Add not found boundary and move head cache to app router: #47688
• Fix turbopack _devPagesManifest.json on next-site: #47427
• Update MetadataRoute to namespace: #47674
• Provide default metadataBase for local and vercel deployment: #47568
• Fix duplicated default metadata tags: #47690
• chore(docs): update next export to output: 'export': #47717
• Vendor @vercel/og and expose ImageResponse : #47715
• Turbopack: Fix images.remotePatterns port/protocol serialization: #47721
• Combine Route Handlers with Route Modules: #47679
• feat(next-swc): add compile-time heap profiler flag: #47729
• Add NEXT_RUNTIME process env to turbopack: #47713
• Small fixes to copy of Turbopack errors: #47734
• fix: correctly handle Set-Cookie headers: #47718
• Support relative path for metadata alternates urls: #47743
• remove next-core package.json dev script: #47746
• Restart static paths worker after finishing task: #47716
• feat: bump minimum ts version to 4.5.2: #47712
• Turobpack: Implement Streaming App/API rendering: #47476
• Update app router filter handling: #47761
• fix: improve error message pages for output: export: #47765
• add consistent import sorting/grouping to rustfmt: #47745
• turbopack: ensure ENV values are available in middleware: #47767
• Fix skipMiddlewareUrlNormalize with i18n: #47773
• Fix typo in error overlay: #47762
• provide full polyfill for process: #47764
• Turbopack: Use SharedError for body streaming: #47677
• fix(export): make static export work with worker_threads: #47784
• Skip favicon.js for metadata: #47790
• Fix module resolving error in tracer: #47786
• Fix fetchCache config and On-Demand Revalidate handling: #47803
• Add computeWorkerKey to the static optimization worker: #47792
• fix(next-types-plugin): add ParamCheck type only for route.ts files: #47739
• fix: added tab and carriage to isWhitespace function to make robust: #47785
• Fix prefetch only being applied once: #47797
• Fix failing rust-check: #47811
• Move modularize imports for next/server to next-swc: #47788
• Add initial separated route resolving: #47208
• Fix dev ipc request on node v16: #47825
• Update render IPC handling: #47835
• Fix: fill route params for dynamic route metadata images url: #47829
• Enable context caching for middleware/edge functions in dev: #47840
• New app routes resolving logic for turbopack: #47737
• Polish metadata warnings: #47853
• Memory improvements to static workers: #47823
• Hide internal fetches OTel traces in dev mode and assert duplicate OTel spans are present only in dev mode: #47822
• feat(turbopack): support transform options: #47365
• Update dev IPC request: #47877
• Fix type plugin for NX workspaces: #47534
• Change package path from gitpkg.now.sh to gitpkg.vercel.app: #47879
• TS plugin: ensure error and global-error files are client components: #47882
• Decrease required open telemetry peer-dependency version: #47861
• router: implement route interceptions: #47565
• Fix issue where NextServer.prepare wouldn't be called when deployed: #47899
• Add missing module.hot.accept call to server CSS modules: #47913
• mark resolve issues inside a try block as warnings: #47763
• Hide not ENOENT errors for not found in ipc server: #47854
• Update react docs link: #47891
• turbopack: defer dev code evaluation until after page render IPC connects: #47888
• add test case for alias field: #47856
• add test case for ignore modules: #47758
• Small refactoring to build/index.ts: #47935
• Compare modules' layer when tracking server CSS changes: #47927
• Extend type for streamEntrypoints: #47874
• Add strict next head handling: #47938
• ChunkingContext refactor pt. 1: #47693
• Add dynamic parameter marker to router cache key: #47957
• Vendor react@experimental under an experimentalReact flag: #47759
• avoid duplicated error output: #47954
• add a warning when using implicit metadata: #47928
• Fallback to localhost for metadataBase when it's used and missing: #47910
• Fix app metadata in edge runtime: #47941
• Auto-restart dev server when next.config.js changes: #47912
• Unify Request types: #47884
• Update search params/route params handling on deploy: #47930
• turbopack: add vary header to app routes: #47946
• Check for null before reading value in useParams: #47875
• Fix metadata nested twitter props rendering: #47972
• Create unique route path for og under group routes: #47985
• allow turbopack HMR to recover from react errors without hard refresh: #47771
• Implement Route type for router APIs: #47931
• If prefetching detected as app route, pass "as" to handleHardNavigation instead of "url": #47949
• update turbopack: #47994
• Revert "update turbopack": #48001
• update turbopack: #48006
• Fix css applying for root not found: #47992
• fix code generation for loader tree: #47987
• interception routes: re-implementation: #48027
• parallel routes: return a 404 when a parallel route does not have a default page/do not match: #47872
• Update normalize revalidate params for named matches: #48032
• fix: handle error case for output: export in next dev: #47768
• report error when using "use server" on module level: #47967
• Only cache successful fetches: #48033
• Revert "Vendor react@experimental under an experimentalReact flag": #48038
• Replaced Reflect with ReflectAdapter: #48000

Documentation Changes

• Improve static export documentation: #47251
• Add note about Windows Defender: #47298
• fix: update capitalization of ISR doc heading: #47370
• Updating the default URL of Amplify Hosting: #47420
• clarify warning about edge + ISR support: #47452
• Update Error Boundaries link to new ReactJS documentation: #47474
• Update react hydration error message page title: #47499
• Docs typo: #47528
• Add note about req to circular-structure error doc: #47162
• docs(image): Update browser bugs section for Safari 16.4 release: #47577
• Switch to ESM Jest config in docs: #42144
• Fix typo: #47634
• Grammar fix: #47600
• docs: clarify returning response in Middleware: #47696
• Replace AWS Serverless to SST in Serverless: #47725
• Linking to SST Next.js tutorial.: #47752
• chore(docs): add typesafe-i18n as a new i18n option: #47315
• Document node.js APIs for Edge Runtime: #47760
• Update error-handling.md: #47779

Example Changes

• fix typo: #47235
• chore(examples): fix Mongoose deprecation warning: #47358
• chore: fix localhost port: #47413
• Update to supertokens example app: #47435
• chore(examples): Fix for destroy is not a function error: #47469
• Updated the versus short form in ssg-ssr example in docs: #47397
• fix-(Examples) Updated link tags in Auth0 example code.: #47518
• Remove incorrect entries for pnpm debug log: #47241
• Use App Router for static export example.: #47584
• Update Convex example to convex@0.12.0: #47175
• Updates with-supertokens example app: #47701
• Update github link: #47900

Misc Changes

• Update next/font/google data: #46988
• fix: added jsdom & canvas to the external packages list - fixes #46893: #46990
• Add auto-detection of image/x-icon content type: #47013
• fix: exclude 'mdx-bundler' from being bundled in server components: #46992
• Add /route subpath to metadata static routes: #47030
• test: update amp test to always check redbox: #47050
• Fix generateStaticParams check in app dir: #47051
• Fix URL anchor position in going-to-production.md: #47056
• Rewrite action transform in SWC: #47049
• Cleanup remove directive logic to reduce allocate: #47055
• Initial support of redirection in server handlers (#46944
• Move next-* crates from Turbopack: #47019
• chore(examples): upgrade Sentry to support Middleware: #47067
• Merge branch 'canary' into jrl-next-crates
• Merge pull request #47019 from vercel/jrl-next-crates
• [with-jest]: Update to use automatic path aliases: #46982
• Update _mongoClientPromise type error: #46985
• Prevent handleDisconnect being called twice: #46959

Credits

Huge thanks to @shuding, @huozhi, @sokra, @hanneslund, @JesseKoldewijn, @kaguya3222, @yangshun, @ijjk, @konomae, @Brooooooklyn, @jridgewell, @zlrlyy, @JohnDaly, @abhiyandhakal, @benjie, @johnnyomair, @nk980113, @dirheimerb, @DerTimonius, @DuCanhGH, @padmaia, @stafyniaksacha, @Gladowar, @zek, @jankaifer, @styfle, @balazsorban44, @wbinnssmith, @chibicode, @ForsakenHarmony, @franktronics, @FSaldanha, @Schniz, @raisedadead, @AdamKatzDev, @wyattjoh, @leerob, @meesvandongen, @vladikoff, @feedthejim, @tka5, @pyjun01, @gdborton, @M3kH, @aretrace, @shivanshubisht, @alexkirsz, @agrattan0820, @vinaykulk621, @heyitsuzair, @mrkldshv, @timneutkens, @furkanmavili, @swaminator, @EndangeredMassa, @DevEsteves, @rishabhpoddar, @schehata, @molebox, @dlehmhus, @akshaynox, @sp00ls, @janicklas-ralph, @tomryanx, @kwonoj, @karlhorky, @kdy1, @dante-robinson, @lachlanjc, @ianmacartney, @hotters, @isaackatayev, @insik-han, @jayair, @ivanhofer, @javivelasco, @SukkaW, @visshaljagtap, @imranbarbhuiya, @nivak-monarch, @HarshaVardhanReddyDuvvuru, @ianldgs, @ricardofiorani, @swarnava, @gustavostz, and @nabsul for helping!