next

Core Changes

• [next-server] fix params duplicate in query after rewrite: #77939
• [next-server] preserve rsc query for rsc redirects: #77963
• Turbopack: fix a bug where marking a task a completed causes a panic when reading the output: #77922
• Turbopack warning spelling fix: #77999
• Allow URL schemes that include +, - or .: #77932
• [dev-overlay] Remove unused hydration error related code: #77929
• [dev-overlay] Unify error deduplication logic: #78017
• fix: use the match result after matching using the matched path header: #77994
• Upgrade React from 3fbfb9ba-20250409 to c44e4a25-20250409: #78031
• Move unhandled rejection handling to shared path: #77997
• fix: ensure app router not found works when deployed with pages i18n config: #77905
• Uninstall existing uncaughtException listeners to prevent the process from crashing: #78042
• Experimental bfcache: Restore state w/ : #77992
• Add graceful error fallback for bots requests: #77916
• Upgrade React from c44e4a25-20250409 to 1d6c8168-20250411: #78067
• [next-server] remove unnecessary query shallow copy: #78003
• [dev-overlay] disable copy button when clipboard is not available: #78101
• [dev-overlay] Stop stashing React error details on error instances: #77975
• [dynamicIO] Model invalid dynamic on empty shells: #77270
• fix: bump image-size@1.2.1: #78149
• Handle graceful fallback for custom error boundaries: #78121
• [dev-overlay] Stop squashing hydration related errors in App Router: #78140
• [test] Enable strictNullChecks in test utils: #78142
• Document Turbopack trace viewer: #78184
• [dev-overlay] Fix error dialog resizing logic: #78144
• Include types in published eslint-plugin-next: #78109
• [dev-overlay] Stop appending wrong Owner Stacks to SSR-only shell errors: #77302
• [dev-overlay] Add dedicated label for recoverable errors: #78186
• [chore] remove unused __NEXT_PRIVATE_RUNTIME_TYPE: #78230
• Preserve slashes when custom URL schemes are used in redirects: #78176
• ignore-list published sources if they have a sourcemap: #78242
• Upgrade React from 1d6c8168-20250411 to 39cad7af-20250411: #78152
• Turbopack: add test case for persistent caching: #77030
• Upgrade React from 39cad7af-20250411 to b04254fd-20250415: #78253
• fix: alternate bundler support for dropping client pages in AMP: #77601
• [errors] refactor default global-error into a separate file: #78182
• [metadata] render streaming metadata on the top level: #77620
• [metadata] skip head cache in default slot: #78206
• chore: Backport SWC-based RC optimization (#78260)
• fix: bump image-size@1.2.1 (#78164)
• @next/mdx: Use stable turbopack config options: #78261
• Upgrade React from b04254fd-20250415 to 4a36d3ea-20250416: #78297
• Add graceful error boundary for bots requests: #78298
• make sure eslint-plugin-next is built when running 'pnpm dev': #78305
• Migrate pages API routes to handler interface: #78166
• Update middleware public/static matching: #78325
• Fix dynamic route param encoding: #78326
• [Turbopack] refactor persistent caching from log based to cow approach: #76234
• Add onInvalidate option to router.prefetch: #77880
• Reserve bandwidth for most recently hovered link : #78362
• fix: handle incremental PPR with client segment cache: #78387
• fix: amphtml-validator WASM errors (for real): #78379
• Turbopack: Remove next start --turbopack: #78384
• Upgrade React from 4a36d3ea-20250416 to bc6184dd-20250417: #78322
• [chore] remove dead code missing required error: #78403
• [ts-next-plugin] remove typescript vfs and related metadata plugin: #78237
• [ts-next-plugin] auto import metadata type: #78258
• [ts-next-plugin] warn to add correct type for metadata exports: #78254
• [ts-next-plugin] fix: validate metadata node before checking type: #78414
• [errors] fix edge server initial error is not sent via hmr: #78415
• misc: use correct capitals for React terms: #78445
• Skip empty prefetch request for dynamic routes: #78436
• Turbopack: don’t warn about webpack being configured when experimental.turbo is set: #77998
• Upgrade React from bc6184dd-20250417 to 914319ae-20250423: #78468
• Update turbopack to syn2: #78385
• [next-server] ensure prepare is done before preloading entry: #78454
• Upgrade React from 914319ae-20250423 to 197d6a04-20250424: #78516
• [dev-overlay] Move error.name to label: #78198
• [ts-next-plugin] update log for utils: #78538
• [ppr] Route Cardinality Updates: #78476
• Turbopack: support ignore comments for NFT fs access tracing: #78460
• Externalize manifest loading in pages-api: #78358
• Update font data: #78525
• refactor: skip the prospective render when there's a more specific route to be rendered: #78555
• fix: bodySizeLimit error responses + limit for non-multipart actions: #77746
• [dynamicIO] Do not skip dynamic validation when metadata is dynamic: #78574
• [dynamicIO] log dynamic validation errors consistently in dev: #78575
• [ts-next-plugin] clean up unused proxy: #78539
• [dynamicIO] Disallow only dynamic metadata: #78576
• fix: make webpack handle "use cache" in node_modules : #78606
• Use React's prerender function for "use cache" with Dynamic IO: #78382
• Use node: prefixed in ESM emit of standalone server.js: #78624
• feat: add ravendb library to server-external-packages.json: #78319
• docs: fix typo in ppr.ts: #78590
• Pre-compile busboy dependency: #78634
• Pages API handler interface follow-ups: #78638
• Repeat fix in #78387 for routes without params: #78568
• [dev-tools] Fix width transition logic: #78635
• [ts-next-plugin] fix: warn only if no type: #78628
• [ts-next-plugin] fix: warn only if no type for separate export: #78629
• chore: Drop @swc/counter: #78674
• Turbopack: use small thread local collector that flushes to global collector: #78343
• Upgrade React from 197d6a04-20250424 to 5dc00d6b-20250428: #78640
• Fix bad decoding for x-matched-path header: #78677
• Fix pages API rewrite case: #78644
• chore: update rspack to 1.3.8: #78485
• Always apply render preparations after running an action: #77898
• Exclude config package from bundling: #78671
• Upgrade builtin babel packages: #78673
• Upgrade loader-utils v2 to latest patch: #78707
• [Link] Add prefetch="auto" option: #78689
• [build-sourcemaps] Ensure errors during prerender can be sourcemapped: #78709
• Upgrade React from 5dc00d6b-20250428 to 408d055a-20250430: #78715
• build: Fix minifier options for webpack builds: #78717
• refactor(next-swc): Do not amend minifier options from Rust code: #78719
• Change stylistic ESLint TypeScript defaults: #78679
• fix: replace original request body after middleware execution: #77662
• remove draft.isEnabled setter from exotic draftMode wrappers: #77972
• Turbopack: limit compaction merging by size instead of count: #78669
• [build-sourcemaps] Include codeframes in prod when sourcemaps are enabled: #78710
• feat: build lifecycle hooks - afterProductionCompile: #77345
• fix: make sure that the patched fetch cache set promise is properly awaited: #75971
• [dev-overlay] Make badge draggable: #78716
• Turbopack: fix ESM project in standalone mode: #78774
• Revert "[Link] Add prefetch="auto" option": #78820
• Downgrade React from 408d055a-20250430 to 197d6a04-20250424: #78834
• Reland "[Link] Add prefetch="auto" option": #78821
• build: Update @swc/core npm package to v1.11.24: #77668
• Turbopack: Implement regex support for matching webpack loaders: #78733
• Turbopack: Add support for extension regex in @next/mdx: #78734
• 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)
• [dev-overlay] Polish mobile view: #78863
• [dev-overlay] Consider scrollbar width for drag positioning: #78865
• Add handling for setting deployment id via cookie: #78841
• Run export child process with runtime's default max-old-space-size: #78712
• [dynamicIO] cache tracking for import(): #74152
• [dev-overlay] solidate the line number parsing: #78868
• Update send to v0.18.0: #78816
• Scope runInCleanSnapshot to Work Store: #78930
• Removes onNavigate from transition scope: #78605
• Add nonce handling from CSP in pages router: #78936
• Ensure manual nonce on Script works as expected: #78939
• Treat _debugInfo as a wellknown property for sync request data access purposes: #78942
• chore(CI): Run rspack tests in build_and_test.yml: #78757
• bugfix: Fix a bug that caused conflicting assets when adding a child compiler: #78011
• [Fix] Inverse prefetch segment for Pages routes: #78932
• Fix tracing of server actions imported by client components: #78968
• Revert "fix: alternate bundler support for dropping client page": #78974
• Fix --no-mangling for "use cache" functions: #78993
• chore: update rspack to 1.3.9: #78984
• [not-found] Add global-not-found convention: #78783
• [not-found] support metadata exports of global-not-found: #78961
• Prevent "use cache" timeout errors from being caught in userland code: #78998
• patch react via recast instead of string replacements: #78916
• [link] Avoid inlining of LinkProps in emitted declarations: #78773
• [next-config-ts] fix: read tsconfig file using TypeScript API: #79055
• Replace node:url usage in server-utils: #79094
• [build-sourcemaps] Remove unused static workers: #79107
• fix: cli test failed when using rspack: #79081
• [build-sourcemaps] Allow inspecting prerender worker: #79098
• Add initial modifyConfig hook: #79162
• Re-land updated bundler for pre-bundling: #79164
• [dynamicIO] model pathname access in metadata as async : #79136
• Update font data: #79179
• bugfix (pages): assetPrefix should not cause hard nav in development: #79176
• Reland "Ensure mangling is disabled for dev runtime builds (#75297)": #79201
• docs: add graceful error boundary example: #77781
• turbo-tasks: Encode location information into panics: #78945
• feat(turbopack): Add basic compilation event support: #78785
• chore(dev-overlay): Minor cleanups to useDelayedRender hook: #79119
• Update font data: #79227
• Rename define-env-plugin.ts to define-env.ts: #79224
• Always pass implicit/soft tags into the CacheHandler.get method: #79213
• fix(dev-overlay): Ignore right clicks on the indicator draggable: #79120
• Fix dangling promise in unstable-cache: #79248
• Revert "Partial Fallback Prerendering Route Shells (#69282)": #79258
• [devtool] initial support for segment explorer: #78858
• Client router should discard stale prefetch entries for static pages: #79309
• [dynamicIO] fix: do not apply import tracking transform in edge: #79284
• Turbopack build: Fix type: module with output: standalone: #79292
• [TypeScript Plugin] Moved the diagnostics' positions to the prop's type instead of the value for client-boundary warnings: #79193
• Use onPostpone to determine if segment prefetch is partial: #79299
• Enable ppr when dynamicIO is enabled: #79302
• fix: replaceIdentifiersInAst takes an expression, not a string: #79196
• Remove DIO w/o PPR branch from app-render.tsx: #79303
• Remove prospective fallback prerenders: #79304
• Fixed rewrite param parsing for interception routes in Vercel deployments: #79204
• [build-sourcemaps] Sourcemap errors during prerender if experimental.enablePrerenderSourceMaps is enabled: #79109
• [release] use @changesets/changelog-github for changelog format: #79040
• next.config.ts: Implement compiler.defineServer for server-only constants: #79225
• Always show warning if fetch cache limit hit: #79384
• feat(turbopack) Added sending events to log how long writing entrypoints to disk takes.: #79256
• [release] use @changesets/changelog-github for changelog format: #79040
• next.config.ts: Implement compiler.defineServer for server-only constants: #79225
• Always show warning if fetch cache limit hit: #79384
• feat(turbopack) Added sending events to log how long writing entrypoints to disk takes.: #79256
• Only share incremental cache for edge in next start (#79389)
• [TypeScript Plugin] Match method signature (someFunc(): void) type for client boundary warnings: #79144
• Only share incremental cache for edge in next start: #79386
• fix: rspack framework and lib cacheGroups: #79172
• Make sure bundle analyzer does not trigger warning with turbopack: #79399
• [dynamicIO] Avoid timeout errors with dynamic params in "use cache": #78882
• Implement initial handler interface for pages routes: #79260
• [Segment Cache] Fix: Ensure server references can be prerendered: #79448
• [dynamicIO] Avoid timeout errors with dynamic params in "use cache": #78882
• Implement initial handler interface for pages routes: #79260
• [Segment Cache] Fix: Ensure server references can be prerendered: #79448
• [Segment Cache] Fix: Skew during dynamic prefetch: #79416
• [dynamicIO] reimplement dynamicIO validation on prerender: #79414
• fix: remove redundant performance.measure usage: #79475
• [devtools] Add a very minimal API for restarting the dev server: #79265
• Model prerender store as separate server and client scopes: #79429
• fix: Merge link header from middleware with the ones from React (#73431)
• fix(edge): run after() if request is cancelled mid-streaming (#76013)
• gate segmentCache branch in base-server (#79505)
• Model prerender store as separate server and client scopes: #79429
• Use metadata for cache entry status code: #79512
• fix(dev-overlay): Better handle edge-case file paths in launchEditor: #79526
• [build-sourcemaps] Increase stacktrace limit during prerender: #79498
• fix: Rspack not skip .d.ts file: #79285
• Revert "[next-server] skip setting vary header for basic routes": #79426
• [ppr] Narrow condition for fallback shell generation at runtime: #79565
• Turbopack: derive de/serialize for loader config: #79581
• Update font data: #79642
• Avoid bundling dev overlay in page template: #79641
• Enable preview builds for forks: #79648
• misc: remove leftover clientInstrumentationHook type: #79701
• cleanup(turbopack): Embed Global vs Specific channel type in the Rust type system: #79291
• [dev-overlay] Show error overlay on any thrown value in /app: #79658
• [dev-overlay] Move error handlers into dispatcher in /app: #79660
• Verify cache-busting param during segment prefetch: #79563
• update(turbopack): Update the messaging UX for timing writing files to disk: #79469
• [dev-overlay] Move Redbox open/close into dispatcher: #79698
• chore: update rspack to 1.3.12: #79428
• Enable repeated tsc runs in packages/next without having to build first: #79782
• Run tsc in watch mode during pnpm dev: #79785
• Reinstate vary (#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)
• fix: preload fonts in template.js: #79417
• feat: using eval source map plugin for Rspack: #79199
• feat: using builtin CssChunkingPlugin for rspack: #79762
• fix(napi): Update generated types, add alias for RcStr: #79915
• [dev-overlay] Fix highlighted line cut off on scroll: #79930
• fix(next/font): allow custom font-family in declarations: #76274
• Remove subissues from Issue: #79988
• [devtools] Add a query parameter to restart endpoint to invalidate the persistent cache: #79425
• Implement handler interface for app-page: #79568
• Migrate app route to handler interface: #80008
• Turbopack Build: Fix underscore path tests: #79778
• Fix watchmode for taskr tasks: #80020
• Update font data: #80036
• Fix defunct ESLint overrides: #80053
• [devtools] Add an endpoint to poll for server status: #80005
• [dynamicIO] Only report client sync IO errors if they are above a Suspense boundary: #80026
• [dev-overlay] Parse stacks in reducer not during dispatch: #79788
• Remove obsolete @ts-expect-error: #80065
• [dev-tools] Navigation header replaces close button: #80097
• [dev-overlay] Inject get*Stack implementation: #79789
• [dev-overlay] Fix dark‐mode styling for <option> in Preferences dropdowns: #80025
• Use relative sources in require() instead of next/dist/ if possible: #80054
• [dev-overlay] Inject isRecoverableError implementation: #80003
• [devtool] fix explorer flag consuming and style: #80110
• [dev-tools] add restart dev server button to error overlay: #80060
• [dev-tools] add restart dev server button on dev-tools indicator preferences: #80072
• [chore] remove legacy useEarlyImport flag: #80112
• [testmode] Fix types of wrapRequestHandler: #80055
• Extend bot list with googleweblight, Storebot-Google, Google-Inspecti…: #77728
• [dev-overlay] Inject getSquashedHydrationErrorDetails implementation: #80046
• [dev-tools] better description for restart server button: #80118
• [dev-tools] style: preferences section title: #80120
• [metadata] refactor to remove async metadata: #78495
• [dynamicIO] Document client component remediations for sync IO: #79787
• [dynamicIO] prioritize preprocessing RSC rows when prerendering: #80125
• [dev-overlay] Remove unused onError in /pages: #79982
• Remove unused vendored server-inserted-metadata module: #80143
• Webpack Build: Use name-contenthash instead of name-chunkhash for dynamic imports: #80153
• [dev-overlay] Remove unnecessary code from /pages dev error boundary: #79983
• Turbopack Build: Implement helpful error for missing sass package: #80155
• [global-not-found] fix shared css imports not being picked: #80151
• Add experimental flag for RSC request validation: #80157
• [dev-overlay] Remove indirection in app dev error boundary : #79984
• Docs: preload entries impact on memory consumption: #80098
• [dev-overlay] Move building indicator into Dev Overlay state: #79985
• [metadata] only render one metadata outlet: #80146
• Add a regions property to the Functions Config Manifest file: #80104
• [metadata] fix nonce prop for hoist script: #80174
• docs: fix grammar in Code of Conduct section ('them' → 'it') : #80181
• [error-overlay] remove footer message: #80169
• Turbopack: Log persistent cache store time: #80149
• fix(turbopack): Next.js package not found panics in Turbopack: #79572
• [turbopack] Compute Import Traces for Issues: #79351
• Typecheck require() calls: #80056
• Revert "[turbopack] Compute Import Traces for Issues": #80215
• remove unique metadata prop from initial RSC payload #79388
• Replay redirect if RSC parameter is missing: #80180
• [devtool] style the segment explorer as nested view: #80212
• Prerender with streaming metadata during revalidation: #80245
• fix: invalid middleware configs should fail the build: #80221
• [dev-overlay] Render /app Dev Overlay with a separate React instance: #79699
• [devtool] display segment explorer as tree view: #80261
• [dev-overlay] Use same bundle for Pages and App Router: #80019
• Revert "Revert "[turbopack] Compute Import Traces for Issues"": #80220
• [dev-overlay] Publish as production bundle: #80295
• [metadata] only serve block streaming metadata for html bots: #80272
• Update font data: #80301
• Update font data: #80340
• [dev-overlay] fix duplicate re-render of errors: #80322
• [build-sourcemaps] Only compute codeframe once: #80326
• [test] Fix Dev Overlay Storybook: #80288
• [test] Fix crashes in Dev Overlay Stories: #80292
• [metadata] use https protocol for schema urls: #80356
• [dev-overlay] Remove positive tab-index: #80289
• [devtools] Implement default /.well-known/appspecific/com.chrome.devtools.json endpoint in dev: #80260
• [dev-overlay] Fix outstanding a11y issues reported by Axe: #80290
• provide declarations for server-only/client-only: #80361
• [test] Stop opening browser by default in local Dev Overlay Storybook: #80291
• [dev-overlay] Move hot reloader client code out of react-dev-overlay: #80278
• [dev-overlay] Remove unused code: #80279
• [dev-overlay] Move app/pages related features closers together: #80280
• Discard Infinity expiration for implicit tags: #80387
• fix(next-swc-wasm): Only enable turbo-rcstr's napi feature when building the next-swc-napi crate/package: #80390
• Add response handling inside handlers: #80189
• feat(turbopack): Add simple tree shaker: #78286
• Fix a couple typos: #80080
• [dev-overlay] Move code into new top-level folder in src/next-devtools: #80281
• Ensure we normalize .rsc/.prefetch.rsc: #80409
• Turbopack Build: Fix /index/index handling: #80413
• [segment-explorer] optimize tree view: #80392
• Upgrade @playwright/test and cleanup internal APIs: #80334
• Backport config.allowedDevOrigins (#80410) (Learn More)
• [segment-explorer] Signal updates to React: #80316
• [segment explorer] fix soft navigation case: #80443
• Update the warning text for when multiple lockfiles are found: #80214
• feat: in Rspack using native fn implemented by us using SWC to replace load module: #80342
• chore: fix link to good first issue: #80478
• Disable fetch cache size limit for implicit caching during build: #80480
• [dynamicIO] Split up static generation into two phases: #79629
• fix(turbopack): Fix config caching for turbopack + React Compiler: #80498
• [dynamicIO] Use filled Resume Data Cache for final-phase prerenders: #79743
• fix: Rspack dev gets stuck after removing a page: #80555
• Ensure custom relative distDir resolves properly: #80569
• fix: mark file system incremental cache as external so it's memory is shared: #80586
• [fix] clone the config module to avoid mutation: #80573
• Improve Incremental Cache Locking Algorithm: #80497
• [devtools] add feature flag for new panel ui: #80251
• [devtools] fork devtools-indicator: #80456
• [devtools] fork next-logo: #80457
• guarantee cache busting param correctness: #80381
• Normalize filepaths when parsing patterns from js values: #80511
• [metadata] render streaming metadata on the top level (#80566)
• [fix] clone the config module to avoid mutation (#80573)
• feat: rspack use swc to warn for edge runtime: #80485
• Avoid timeout error when transformed params are passed to "use cache": #80463
• Respond with 404 for unknown server actions: #80613
• [segment explorer] single row layout segment: #80576
• Fix: Rules of Hooks violation in AppRouter: #80623
• fix: Add Chrome-ligthouse to htmlLimitedBots: #80656
• Turn on clientSegmentCache during PPR CI runs: #80581
• [devtools] port overlay backdrop out of overlay: #80460
• Revert "(E2E) Log which config file is used for next start": #80666
• fix(turbopack): Fix static immutability analysis: #80646
• [devtools] add panel ui placeholder under feature flag: #80354
• [devtools] add dialog behavior to panel ui: #80355
• Add --debug-prerender option for next build: #80667
• [devtools] port devtools-indicator position to dispatcher: #80536
• fix: mark the shared cache controls as external so it's memory is shared: #80588
• [devtools] apply draggable to panel ui: #80517
• Apply normalizers for init URL used for handlers: #80694
• overwrite redirect SSG meta.status to 200 for RSC requests: #80391
• [devtools] panel ui header: #80509
• [development-server] Display pid of already-running process that is using port: #80069
• [devtools] panel ui footer: #80515
• Fix Next DevTools Storybook in recent Node.js versions: #80713
• [devtools] set up panel ui tab infra: #80535
• [devtools] port devtools scale to dispatcher: #80537
• [devtools] panel ui settings tab: #80538
• Upgrade React from 197d6a04-20250424 to 79d9aed7-20250620: #79477
• fix: rspack code analyzer should only handle javascript module: #80711
• [devtools] port call stack: #80550
• [devtools] port runtime error handling to hook: #80567
• Upgrade React from 79d9aed7-20250620 to 06e89951-20250620: #80730
• chore(swc-wasm): Fix and clean up various issues with swc-wasm tests: #80471
• Add onBuildComplete adapter hook: #80446
• [ppr] RDC for RSCs: #79638
• docs: add csp and content disposition type: #80735
• omit searchParam data from FlightRouterState before transport: #80734
• feat(turbopack): Print a warning about performance when starting with an invalidated cache: #80631
• perf(next-swc): Remove needless JSON conversion: #80671
• [devtools] Fix Turbopack indicator: #80753
• Downgrade React from 79d9aed7-20250620 to 197d6a04-20250424: #80762
• devtools: couple restart dev server UI with persistent cache flag: #80751
• [devtools] panel ui responsiveness: #80732
• [turbopack] Update Napi CLI to the latest 2x release: #80697
• Revert "[ppr] RDC for RSCs": #80794
• [segment explorer] handle edge and pages router: #80668
• [segment explorer] handle builtin not-found: #80607
• [devtools] fix: adjust width for responsiveness: #80777
• [build] remove obsolete module field alias for barrel optimized pkg: #80769
• [segment explorer] handle custom global-error segment: #80685
• [devtools] storybook: port utils to be reusable: #80726
• [segment explorer] display navigation error boundaries: #80691
• [devtools] set up panel ui issues tab infra: #80727
• [devtools] add correct scrollbar to dialog body: #80776
• [devtools] panel ui issues tab sidebar: #80728
• [devtools] panel ui issues tab content: #80729
• [devtools] add fullscreen mode: #80788
• [devtools] proper draggable for header and footer only: #80792
• [segment explorer] handle display loading: #80698
• [segment explorer] handle custom error boundary: #80714
• [segment explorer] display default page in segment explorer: #80716
• Add htmlrewriter to default server externals: #80819
• fix to use https urls in meta data images when using experimental-https: #80276
• Add a fallback for the mdx-components file: #59693
• Revert "Respond with 404 for unknown server actions (#80613)": #80662
• [devtools] segment explorer tab: #80805
• [devtools] fix: error overlay closes when footer is clicked: #80513
• fix: respond with 404 for unrecognized action ids: #77012
• [turbopack] Enable debug assertions in CI: #80739
• Turbopack Build: Implement browserslist for CSS / JS: #80603
• Fix fallback: true cache-control: #80865
• Turbopack: scope hoisting: #79459
• [devtools] refactor segment explorer styles: #80848
• Turbopack: CSS Global Import Validation for Pages: #80585
• [devtools] overlay backdrop visibility hidden when not fullscreen: #80844
• Allow intercepting dynamic routes to be partially prerendered: #80851
• Turbopack: fix chunking context caching: #80862
• [devtools] replace the old error overlay with the issues tab view: #80814
• [devtools] fullscreen mode should not be draggable: #80845
• Turbopack: add task execution reason to tracing: #80861
• [devtools] Allow opting out of environment feature flags: #80897
• [devtools] fix: build error should share the issue content layout: #80850
• [devtools] increase max-width/height limit: #80846
• [devtools] memorize tab in session storage: #80900
• Check cache busting search params on all RSC requests: #80669
• Perf: Use canonicalUrl from prefetch for dynamic RSC requests: #80817
• Fix PPR no fallback case: #80908
• Add comment explaining staticPathKey vs ssgCacheKey: #80911
• add turbo tasks fuzzing: #79372
• [devtools] fix style of issue count label: #80854
• [devtools] Remove unused footer buttons: #80864
• [devtools] Hide issue count on empty state: #80898
• [turbopack] Add user friendly names to trace labels: #80388
• Upgrade React from 197d6a04-20250424 to fa3feba6-20250623: #80804
• [segment explorer] open in editor: #80856
• Roll out validateRSCRequestHeaders: #80954
• [refactor] group the built-in conventions: #80957
• fix: webpack config context when using rspack: #80921
• Turbopack: pass current Node.js version from JS side instead of invoking node: #80949
• Turbopack/Webpack Build: Remove dead code: #80938
• Upgrade React from fa3feba6-20250623 to cee7939b-20250625: #80904
• [segment explorer] hover state for open-in-editor color: #80950
• Upgrade React from cee7939b-20250625 to 4db4b21c-20250626: #80959
• [devtools] polish icon and label color: #80976
• Use proper reexports in entry-base.ts: #80988
• [segment-explorer] display the builtin conventions: #80961
• [segment explorer] builtin slots style: #80972
• [segment explorer] trigger boundary initial support: #80948
• [devtools]: width/height adjustments: #81072
• [test] fix browser chunk test failure: #81074
• [segment explorer] show current route: #81003
• [devtools]: move RestartServerButton to panel footer: #81082
• Update font data: #81093
• Upgrade React from 4db4b21c-20250626 to 65c4decb-20250630: #81077
• [node-webstreams] Remove unused App externals from next-server bundler config: #81039
• Turbopack: apply browserslist config in dev: #81075
• [build] remove the default imports for error boundary: #81000
• Turbopack: also inline env vars with undefined value: #80990
• [devtools]: default to issues tab when error overlay is programmatically toggled: #81091
• [devtool] merge segment explorer flag into panel ui flag: #81085
• Revert "[devtool] merge segment explorer flag into panel ui flag (#81085)": #81131
• [segment explorer] reset error and not-found boundary: #81115
• [devtool] enable segment explorer when new panel present by default: #81152
• [dynamicIO] Don't abort on sync request data access: #81162
• [dynamicIO] recognize prerender interrupted errors as well known: #81160
• Fix resolvedPathname for middleware rewrite: #81144
• [node-webstreams] Exhaustive React aliases in App Router: #81040
• [node-webstreams] Use React builds for Node.js: #81048
• Upgrade React from 65c4decb-20250630 to 7216c0f0-20250630: #81133
• Turbopack: fix and finish immutable tasks: #80996
• [segment explorer] custom tooltip: #80974
• [segment explorer] refactor boundary trigger with ui primitives: #81147
• Migrate usage of web-server in edge-ssr: #80915
• Upgrade React from 7216c0f0-20250630 to 73aa744b-20250702: #81192
• [segment explorer] fix route path in top navbar: #81195
• Reuse resolvedPathname from prepare: #81194
• Turbopack: exclude resolve-rewrites if possible: #80939
• [devtool] styling fixes: #81228
• [devtools] Omit line/col numbers for anonymous sources: #81223
• Fix NEXT_CPU_PROF during development: #81248
• Turbopack: list assert/strict as external (#80884)
• omit searchParam data from FlightRouterState before transport (#80734)
• bugfix: propagate staleTime to seeded prefetch entry (#81263)
• [Segment Cache] Support third-party redirects in output: "export" mode: #81247
• [devtool] css imports and share css variables: #81236
• Update matching query and route param handling: #81209
• bugfix: propagate staleTime to seeded prefetch entry: #81263
• Ensure resolvedPathname normalizes trailing slash: #81265
• [sourcemaps] ignore-list Webpack runtime: #81229
• Allow pnpm build to be run when offline: #81273
• [sourcemaps] Ignore-list sources whose sourcemaps ignore-list everything: #81231
• [dynamicIO] Use owner stacks for dynamic validation errors: #81277
• [dynamicIO] Don't abort prospective render on sync access during SSR: #81258
• [refactor] Move sourcemapping logic to dedicated file: #81310
• [sourcemaps] Improve ignore-listing performance: #81311
• [devtool] handle click outscope child element: #81296
• [build] remove devtool from client chunks in prod: #81376
• chore: align css loader in storybook: #81403
• feat: make typed routes output deterministic: #80432
• [dev-tools] Custom keyboard shortcut to toggle visibility: #81064
• chore: update rspack to 1.4.5: #81216
• [use-cache] track cache read earlier when encrypting bound args: #81427
• Upgrade React from 5d87cd22-20250704 to a7a11657-20250708: #81428
• [segment explorer] capture defined boundaries: #81232
• [segment explorer] trigger the actual same level boundary: #81268
• feat: forward browser errors/logs to terminal: #80909
• fix: referencing unavailable __dirname: #81436
• Upgrade vercel og to 0.7.2: #81447
• [build-sourcemaps] Default experimental.enablePrerenderSourceMaps to experimental.dynamicIO: #81449
• Upgrade React from a7a11657-20250708 to 60b5271a-20250709: #81463
• Support Uint8Array bodies when generating cache keys for POST requests: #81465
• [devtool] dynamically import segment explorer when enabled: #81473
• Add @sparticuz/chromium-min to default server externals: #81309
• [devtool] patch base-ui and migrate segment explorer inline styles: #81474
• Pass filterStackFrame everywhere: #81516
• Upgrade React from 60b5271a-20250709 to 96c61b7f-20250709: #81505
• [segment explorer] redesign file pills and boundary trigger: #81302
• Update eslint and restore .eslintrc.cli.json being used for CLI/CI-based linting: #81553
• [sourcemaps] Properly devirtualize rsc: URLs: #81554
• Upgrade React from 96c61b7f-20250709 to 97cdd5d3-20250710: #81551
• fix: update useEffect closure when menu is truly mounted: #81531
• rename handleSmoothScroll util: #81546
• add flag to opt into smooth scroll detection & add warning: #81563
• fix: revert focus trap dependency change: #81571
• Hide stackframes if sandwiched between two ignore-listed frames: #81067
• Dim console logs from prospective prerender in dev: #81515
• Augment React types internally instead of overwriting them: #81561
• [sourcemaps] Don't check for vendor chunks when Node.js 18 is used: #81619
• [Segment Cache] Fix isHeadPartial logic: #81566
• [segment explorer] fix route url is missing cases: #81622
• [segment explorer] fix boundary trigger state: #81623
• fix(next/image): bump sharp to 0.34.3: #81556

Example Changes

• [test] Use React 19.1 everywhere: #77895
• chore(examples): replace uuid dependency with crypto.randomUUID: #77901
• examples: fix readmes: #78483
• chore: Update the with-supabase example to use the Supabase Auth block: #78913
• refactor(napi): Implement napi traits for RcStr: #79806
• remove with-fauna example: #80440
• chore: fix typos in rust files: #81113
• Add Biome example: #81334

Misc Changes

• Turbopack: use correct env var for uploading test results: #77988
• chore(cna): use short tailwind classname of font-family: #77271
• Fix CSS Data URL test on Turbopack: #77970
• Turbopack: fix dynamic request lookup with only a single match: #77986
• Update Turbopack production test manifest: #78007
• Update Turbopack development test manifest: #78008
• [test] Assert on all errors in Redbox matchers: #77907
• Turbopack: check css requests in test: #77285
• 15.3 Docs: Turbopack for build: #77730
• [test] Stop asserting on internal stackframes when features are working as intended: #78015
• Turbopack: asset ident instead of chunk item ID in CSS: #78018
• fix(turbopack): Consider scoping of var declarations: #77954
• [test] Remove global styled-components install : #77782
• Cleanup config.experimental.reactOwnerstack: #78021
• Docs: Improve "use cache" and cacheLife API references: #78024
• Docs: Update useLinkStatus API reference: #78022
• Turbopack: add debug assertion to check for duplicate modules: #78025

Credits

Huge thanks to @sokra, @huozhi, @Marukome0743, @mischnic, @wbinnssmith, @eps1lon, @razzeee, @delbaoliveira, @kdy1, @wyattjoh, @acdlite, @ztanner, @bgw, @jantimon, @lubieowoce, @Fonger, @ospira, @gnoff, @styfle, @Cy-Tek, @timneutkens, @raunofreiberg, @devchaudhary24k, @Neschadin, @OreQr, @drewlong314, @ijjk, @praizjosh, @unstubbable, @lukesandberg, @ScriptedAlchemy, @sqidermad, @Juneezee, @devjiwonchoi, @Kamitenshi, @feedthejim, @leerob, @mauerbac, @miki-tebe, @gaearon, @mrbadri, @luwes, @lucacasonato, @M4xymm, @jirihofman, @vicb, @jackwilson323, @SyMind, @kevva, @xyf7, @gaojude, @dario-piotrowicz, @mastoj, @nicole0707, @lourd, @Karibash, @chipit24, @icyJoseph, @xusd320, @fireairforce, @GenhaoLi, @igas, @Macw07, @amannn, @bcdipesh, @r34son, @ivasilov, @lpalmes, @imskyleen, @teamleaderleo, @vitaliemiron, @agadzik, @chdeskur, @nakanoh, @luiscobot, @GameRoMan, @dferber90, @maurobonfietti, @navandstokes, @sajadtorkamani, @bobziroll, @lumirlumir, @KkOoSsTtAa, @msabramo, @sommeeeer, @schoenwaldnils, @remcohaszing, @HerringtonDarkholme, @nebrelbug, @RobPruzan, @lmammino, @MohammedYehia, @extoci, @padmaia, @aacosta11, @vercel-release-bot, @maral, @ethanniser, @MichalMoravik, @rajrawat37, @kidonng, @dnhn, @kristian240, @rachnac-emeritus, @rortan134, and @nick20name17 for helping!