vercel/next.js v16.4.0 on GitHub

Check out the 16.4 announcement post to get an overview of the changes.

Core Changes

Show compiler plugin warning in more situations: #75682
fix(scripts): correct typo in rm.mjs error message: #87015
docs: improve clarity and punctuation in README: #86096
Fix debug build paths Pages Router support entries: #93529
bundle-analyzer: record historical snapshots on each analyze run: #93520
fix: detect proxy.ts correctly with compound pageExtensions: #93246
feat(turbopack): support false values for resolveAlias config: #93331

Misc Changes

docs: correction to dynamicParams migration: #96624
docs: proxy event argument: #96435
docs: remove experimental note from runtime prefetching: #96615
Preserve per-segment prefetching after dynamic navigation: #96583
Rename static generation stream option to waitForAllReady: #96564
Remove obsolete static generation plumbing: #96563
[turbopack] Drop dead writes to exports: #96381
[turbopack] Ignore writes to exports after a module.exports = {} writes: #96380
[turbopack] Add test for sideEffects with optimizePackageImports: #96549
[turbopack] Strip leading BOM before parsing CSS: #96678
Upgrade React from cbb046ab-20260731 to 7dfc7ccd-20260803: #96550
docs: use relative doc links in instant-navigation error pages: #96672
Turbopack: terminate failed plugin worker threads: #96592
Fix HTML-limited bot matching in prerender bypass rules: #96584
[ci] Fix create_release_branch for new repo permissions: #96641
test: skip action module instance deploy test: #96629
docs: quote the dynamicParams build error in a blockquote: #96633
[react-sync] Open pull requests as the bot that authors the commits: #96682
[Bench] Fixes for pure Fizz bench: #96771
Derive foreground cache revalidation from the consumer: #96731
Fix race when navigating Back before hydration: #96252
docs: present each Skill as steps in the AI agents guide: #96751
Reuse completed cache entries for the rest of a request: #96727
Upgrade React from 7dfc7ccd-20260803 to 11eddecd-20260805: #96735
Remove WorkStore execution mode: #96674
Remove cache revalidation execution mode reads: #96670
Separate App Route render and prerender pipelines: #96662
Remove App Page execution mode reads: #96660
test: fix missing await in css-chunking test: #96725
docs (Skills): stop assuming app/ at the root and port 3000: #96696
Implement next/font BeforeResolvePlugins as ImportMappingReplacement: #95808
Use Tailwind Turbopack loader in create-next-app: #96606
docs: instant navigation quick start with an adoption prompt: #96663
Separate App Page render and prerender pipelines: #96659
Move App Router execution intent to entrypoints: #96640
Pass explicit render capabilities through App Render: #96576
Pass explicit prefetch hint policy through App Render: #96572
Replace WorkStore isStaticGeneration with executionMode: #96570
docs: document ! exclusion and src/ prefix for --debug-build-paths: #96703
Change loadManifest to return undefined with handleMissing: #96530
Refactor server from CacheNodeSeedData -> TransportData: #96679
Unify full/partial navigation response types: #96439
Unify RouteTree and CacheNodeSeedData on the client: #96406
Consolidate Promise.withResolvers polyfills: #96772
[ci] Open automated update pull requests with nextjs-bot: #96683
Require Cache Components for Instant Navigation testing: #96745
Fix use cache over- and under-invalidation in dev: #96235
Fix which pages the dev server announces, and when: #96250
docs: update redirected links to current targets: #96723
Fix(deployment-id): prevent exception on old webkit: #94604
[fragment-scroll] Remove config.experimental.appNewScrollHandler: #95602
[turbopack] Enable reexport-unknown execution test: #96774
ci: stop publishing @vercel/devlow-bench: #96887
fix(turbopack): name the module in the non-ESM-placeable error, and stop duplicating the importer in traces: #96560
fix(turbopack): support type: 'text' in rules, and error on binding imports of non-ESM modules: #96558
Lint devlow-bench with the root eslint config: #96871
Remove turbopack/packages and relocate devlow to packages/: #96860
Flush pending revalidations for forwarded action error responses: #96945
Handle Server Actions on dynamic PPR fallback routes: #96932
Turbopack: Improve how DiskWatcher is configured and fix polling watcher bugs: #96440
Turbopack: Allow DiskWatcher to use a mocked DiskFileSystem, add a small unit test: #96353
[turbopack] Add e2e test that uses component chunks + workers: #96556
[turbopack] Support experimental.serverMinification & expand experimental.turbopackMinify: #96578
Add a turbopackChunking documentation page for pages router: #96698
[turbopack] Don't run Webpack tests on Turbopack-only changes: #96656
[turbopack] Enable the shared runtime by default: #96778
[turbopack] Enable CJS tree shaking by default: #96779
refactor: clean up places that needlessly list all RenderStages: #96907
Fix the documented invocation for generating tests non-interactively: #96896
Make NextConfigComplete typing more accurate: #96700
Upgrade to swc 75: #96702
docs: link View Transitions skill on skills.sh and clarify the example prompt: #96863
[ci] Reset the turbopack deploy test project in the weekly cron: #96822
docs: add authentication with Cache Components guide and iron-session example: #95802
[turbopack] Fix a potential deadlock in scope_and_block: #95695
Remove the turbopack-build-events trace span, use next build instead: #96746
docs: add export const dynamic = 'force-static' to Route Handlers example on Static Exports: #96964
[turbopack] Follow re-exports for side-effect free async modules: #95993
[turbopack] Treat constants with values referencing other values as unsafe: #96190
[refactor] Rename encodeCacheTag to encodeHeaderSafe: #96936
Fix formatting of Google Fonts section in documentation: #88447
Fixing a bug - typo issue fixed: #97141
examples: fix Webiny API env variable name: #97134
docs: fix Link prefetch grammar and Client Components wording: #97132
Use emitted app entries for post-build processing: #97139
docs(mdx): fix package name in .md handling section: #97131
[turbopack] Reduce native React Compiler work: #96820
docs: rename repo to repository for consistency: #87849
Fix typo in Data Access Layer section: #87202
docs: runtime prefetching -> optimizing prefetching: #96934
[CC] Track APIs that cause incompatible static/app shells: #97040
Fix client component loading span timing: #96455
Trace development route compilation: #96454
Prefix 'use cache' debug logs with the full directive: #97037
Revert "[turbopack] Enable CJS tree shaking by default (#96779)": #97018
Revert "[turbopack] Follow re-exports for side-effect free async modules": #97009
[fragment-scroll] Rename ScrollAndMaybeFocusHandler to ScrollHandler: #96828
Trace development route preparation: #96453
test: cleanup Turbopack snapshot config: #97013
Remove unused htmlLimitedBots from renderOpts: #96701
fix(turbopack): point at the glob that matched a file with no module type: #96561
[turbopack] Bail CJS tree-shaking on var x = module.exports = {}: #97130
docs: server client and directives: #96145
docs: clarify client cache freshness after hydration: #97180
docs: create client-side fetching guide: #96341
Turbopack: accept a module type argument for import.meta.glob: #96991
docs: align Cache Components authentication guide title: #97143
test: re-enable a few more passing NFT unit cases: #97017
[turbopack] Do the CJS analysis needed for scope hoisting: #95826
Remove legacy PPR code paths: #96868
Use Cache Components as the internal PPR signal: #96827
Make legacy PPR paths explicit: #96753
fix: typos in code comments: #97137
Fix spelling in two comments: #97136
Decouple loader tree construction from children ordering: #97192
Bump lightningcss: #97159
Update gh-stack skill guidance: #97163
[test] Unflake use-cache-custom-handler-dev tests: #97187
Forward a build-container pin to deploy-test deployments: #97191
Fix shared Turbopack runtime initialization race: #97215
Fix stale data after navigation despite revalidation: #95439
[turbopack] Only use the shared runtime by default on canary: #97208
test: fix 'ouput' typo in parseIdsFromCliOutput: #97266
Add the mtime fallback back: #97268
Allow issue participants to request reopening: #96947
[turbopack] Document clusters for chunking: #97267
Link to issues in the contribution guide and discourage trivial PRs: #97188
Stop serializing hmr version state: #97146
[turbopack] Add clusters to chunking heuristics: #95157
[test] Redirect the deployment host in-process for proxy deploy tests: #97260
[test] Unflake two cache-components-dev-streaming assertions: #97246
[test] Unflake use-cache-default-profile-expire-zero tests: #97250
Allow running ncc before pnpm build: #97234
Invalidate deferred Webpack entry sources: #97205
Unify how a response's shell and full payloads are written: #96878
Convert per-segment prefetches to NavigationFlightResponse format: #96877
Unify how server responses are written into the client cache: #96876
Convert tree prefetches to NavigationFlightResponse format: #96788
fix(next/image): skip 0-byte entries when initializing disk LRU cache: #94068
Update authentication diagram URL: #97320
Add a script for adopting fork pull requests: #97252
Migrate napi-rs bindings from v2 to v3: #95412
Upgrade React from 11eddecd-20260805 to 22e4f993-20260811: #97249
Add RDC compression rollout controls: #97247
[testmode] Fix infinite recursion in testmode passthrough fetch: #96525
Turbopack: add imports_wildcard NFT unit test: #97373
Turbopack: improve chunk_item_content docs: #97370
test: Reenable i18n-api-support deploy test for Turbopack with adapters: #96898
Trace instrumentation startup: #97296
Trace route module preparation: #97295
Trace route module loading: #97318
fix(deps): bump satori and @vercel/og: #97276
[test] Cover 'use cache: private' in route handlers: #97349
Fix missing Pages runtime in adapter Pages API outputs: #96819
docs: align SPA guide reducer example with React conventions: #97341
Update blob version.: #97342
Upgrade React from 22e4f993-20260811 to eb8feb71-20260814: #97382
Adopt SelectedMetadata for metadata rendering: #97387
fix(next/image): reject empty image on read/write to disk cache : #97278
Turbopack: remove stale manifests for deleted routes: #97333
Turbopack: make unreachable codegen more generic: #97385
Wait for back-before-hydration recoveries in the browser: #97321
Extract metadata resolution primitives: #97388
test: update React 18 redbox snapshot: #97415
Remove server route matcher stack: #94157
Anchor the async local storage instances to global symbols: #97255
test: deflake use-cache-size-zero warm reload: #97421
Scaffolding for concurrentRouterQueue flag: #97413
Reorganize client router modules: #97402
fix(turbo-persistence): allow 32-bit usize conversion: #97288
test: restore missing NFT exports* unit fixtures: #97459
[ci] Fix backport canary release dispatch: #97383
turbo-tasks-backend: Enforce that tasks exist when accessing them: #96043
turbo-tasks-backend: add persistence delete/tombstone plumbing for GC: #95975
turbo-persistence: add key-value tombstones for MultiValue families: #96929
Trace lazy App Route module loading: #97439
[ci] Wait for the next version to be available on npm before deploy tests: #97460
docs: fix stale Dev Overlay README link in contributing guide: #97486
docs: app router reference accuracy: #97477
test: Don't wait trying to load non-existing images: #97488
test: cover dynamic APIs with i18n base path: #97367
style(examples): remove redundant justify-content declaration: #97222
docs: rename Vercel Edge Config to Global Config in redirecting guide: #97456
fix: improve form accessibility by associating labels with inputs: #96335
[docs] fix: grammar typos in linking and navigating guide: #95544
fix(examples): correct error message typo: #97223
docs: fix typos in example links: #97149
Model prerenders as render candidates: #97431
Turbopack: support character class ranges in regex: #97502
docs: warn when catching permanentRedirect: #97496
Remove the development debug channel persistence: #97510
Stop the browser from restoring stale pages in development: #97505
Turbopack: gracefully handle outputFileTracingIncludes matching a symlink: #97507
docs: mention Valibot as validation library option in forms guides: #97468
[PPF] Remove unstable_eager: #97524
[PPF] Do not mark complete shell requests as partial: #97503
fix: add accessible label to icon-only link: #96334
Fix stale cross-references in skills/: #97566
docs: generateMetadata values should be serializable with use cache: #97551
Move preview props into separate manifest: #96004
docs: adjust interactive app guide: #97558
Turbopack: allow TURBOPACK_PRINT_CHUNK_GROUPS in release builds: #97515
[test] Point next-image-legacy images at a reachable endpoint: #97545
test: improve error-on-next-codemod-comment flakiness: #97553
Turbopack: cross-module constants: #90300
test: better isolate concurrent-install suite: #97546
docs: outlining and lcp: #96942
Turbopack: More aggressively debounce filesystem watch events if we detected changes to node_modules: #96116
docs: document metadata pagination field: #95509
docs: document deploymentId build ID override and Pages Router skew in 16.2: #97645
Upgrade React from eb8feb71-20260814 to eafeac09-20260819: #97636
Turbopack: rename to use turbopack: no side effects: #94427
refactor: move useDynamic{Route,Search}Params to reduce snapshot churn: #97360
[PPF] unstable_navigation(): #96908
[PPF] Scaffold unstable_navigation(): #97236
docs: Explicit cache output description: #97548
Improve Cache Components sync IO migration guidance: #97572
[test] Use a non-native stub for the server externals list test: #97614
Avoid GitHub API rate limits for create-next-app examples: #97612
[test] Cover the prerender worker-thread backend with an addon we control: #97543
[test] Convert the prerender-native-module suite to local fixture packages: #97542
[test] Replace the turbopack-reports sqlite3 dependency with a local addon fixture: #97541
[test] Drop the dead sqlite3 build approval from the sharp-basic suite: #97540
Remove HmrTarget: #97253
Keep HMR instructions typed until serialization: #96569
Serialize frozen collections by value only: #96686
feat(turbopack): isolate HMR listeners across microfrontends: #95997
Turbopack: deduplicate Pages Router app chunks: #97664
[react-sync] Check assignability before assigning the actor: #97638
fix: preserve trailing slash during export MPA fallback: #97613
Turbopack: Split the read and write codepath data structures for symlinks: #97395
Turbopack: Show last modified file when waiting for the filesystem to settle: #97648
docs: fix parallelRouteKey parameter name in useSelectedLayoutSegment(s): #97710
Turbopack: Avoid cloning paths in fs watcher if the path is already in a map: #97655
Remove generated error codes: #97687
[PPF] Instant validation for unstable_navigation(): #97309
Turbopack: trace graceful-fs calls: #97694
Migrate some async blocks to async closures: #97666
turbo-tasks: add scope_unbounded, a scoped execution primitive that allows more work to be discovered: #95974
test: make app-document-import-order more robust: #97682
Add a Turbopack error for missing root layouts: #97639
Improve Partial Prefetching adoption checks: #97637
test: stabilize poisoned proxy error overlay: #97609
docs: correct the upper stale bound for App Shell exclusion in cacheLife: #97653
docs: Adapters entry page lists its children pages twice: #97677
[PPF] unstable_prefetch(): #97622
[PPF] Scaffold unstable_prefetch(): #97618
docs: clarify beforeInteractive placement for root layouts: #97643
fix(turbopack): give eager import.meta.glob values the ESM namespace: #96559
introduce an options struct for constructing backend storage: #97284
[devtools] Fix indicator dragging on touch screens: #97723
Add next/cache-handlers types entrypoint: #97592
Remove unused return values from getPageStaticInfo: #97661
[turbopack] defer NFT module content hashes: #97773
test: deflake basePath external navigation: #97611
docs(adapters): document assetsHashes and routing.middlewareMatchers: #96536
Migrate remaining async blocks to async closures: #97701
Turn off the adapter route collapses by default: #97774
Serve a run of fallback shells from one route entry: #97738
[test] Capture the route table for apps with several param shapes: #97728
Stop emitting a separate route entry for a dynamic route's RSC form: #97726
Stop emitting a redundant route per prefetch segment: #97720
[test] Capture the dynamic routes a build passes to an adapter: #97719
turbo-tasks: compile conditional cell updates once, not per cell type: #97763
Turbopack: add unit test coverage for FileSystemPath::hash_file: #97743
Record fallback cache lifetime for blocking PPR routes: #97821
Document catchError for the Pages Router: #97748
clippy: allow needless late init where it makes sense: #96410
Turbopack: emit/collect: #96631
docs: note that response headers must be set before calling handle() in a custom server: #97693
Deduplicate the regress, wat/wasmparser and base64 dependencies: #97762
perf: split cold TurboMalloc accounting paths: #97767
turbo-tasks: execute scheduled tasks inline when they are read: #96808
Revert "Record fallback cache lifetime for blocking PPR routes (#97821)": #97835
Sweep stale Turbopack output from distDir on dev startup: #97591
Fix metadata prefetch cache key for search params: #97729
Turbopack: Improve file existence error handling in realpath_with_links and in module resolution: #97717
Write traces with buffered synchronous IO: #96874
fix(wasm): don't enable SWC's plugin host for wasm targets: #97859
fix(turbopack-node): make process_pool inert on wasm: #97858
fix(turbopack): make the SWC wasm-plugin backend native-only: #97857
fix(turbopack-trace-utils): skip the ctrl-c handler on wasm: #97856
refactor(turbopack-cli-utils): replace crossterm with owo-colors: #97855
fix(turbo-tasks-fs): create symlinks through the WASI API on wasi: #97854
fix(turbo-tasks): compile EventListener::wait on wasm: #97853
fix(turbo-rcstr): allow the napi feature on wasm targets: #97852
fix(next-napi-bindings): detect the target, not the host, in build.rs: #97576
Stop printing a stack frame for error message text: #97829
docs: clarify revalidateTag profile expire semantics: #97836
docs: param access on use-server: #97865
docs: fix typos and correctness issues in App Router docs: #97823
Add deploy release test skill: #97563
[test] Deflake the page config test for a string config value: #97848
test: stabilize read-only page recreation: #97674
Show the errors of an AggregateError behind a cause: #97830
Upgrade React from eafeac09-20260819 to bd6ea412-20260824: #97812
fix: reuse a single drain listener when piping Node streams through gzip: #97698
test: preserve server cache after compile error: #97724
Fix Turbopack resolution through chained symlinks: #97825
Add evals for whether agents actually use Next.js: #97816
evals: judge behavior instead of matching source text: #97826
Bump @vercel/agent-eval to 2.2.1: #97885
feat(turbopack): resolve /-rooted imports from the project directory: #97799
[ci] Use short-lived access tokens for preview-build uploads instead of static token: #97256
Turbopack: correctly trace through TypeScript __importStar: #97697
[turbopack] simplify ecmascript effect queue: #97771
Update default Create Next App favicon: #97634
fix: don't drop client references when the concatenated module id is 0: #97936
Replace resumed render bailout error with ReactDOM.browser behind a flag: #96844
Replace useSearchParams bailout error with ReactDOM.browser behind a flag: #96843
Replace CSRBailout error with ReactDOM.browser behind a flag: #96826
fix(next/image): reject non-2xx internal image responses: #97957
[test] Pin Vercel CLI to Node 20.9 compatible version: #97960
Re-enable AVIF image optimization: #97931
Don't report a client-aborted RSC stream as a render error: #96715
[PPF] Only track runtime accesses when the promise is used: #97165
Fix Turbopack re-export cycle deadlock: #97933
Port React's @gate test directive to the e2e harness: #96228
Migrate from box_patterns to deref_patterns: #97924
Turbopack: expose list of non-inlined env vars: #95310
feat(turbo-tasks-fetch): stub HTTP on wasm targets: #97585
fix(turbo-rcstr): make TaggedValue usable on wasm: #97577
docs: explain origin matching for allowedOrigins and allowedDevOrigins: #97805
Turbopack: improve Pat::Assign modelling in analyzer: #97867
Upgrade rustc to nightly-2026-08-20: #97665
Upgrade React from bd6ea412-20260824 to f789f203-20260825: #97887
[test] Fix flaky build CLI output capture: #97900
turbo-tasks-backend: parent_count reference counting: #95976
Upgrade Turbopack to hashbrown 0.15: #97808
ci: skip framework tests for agent evals and skills: #97998
Expand Turbopack dev cleanup: #97833
Add Cache Components option to create-next-app: #97695
Mark deploy release test skill as internal: #97961
Turbopack: shorten CSS module class names: #97944
Prune incomplete parallel route matchers: #97108
Upgrade React from f789f203-20260825 to 29d9d318-20260826: #97995
docs(skills): preserve prefetched UI during Partial Prefetching adoption: #97712
Omit undeclared children slots from app routes: #97184
Turbopack: widen the chunk ident hash from 7 to 13 base38 chars: #97945
Fix request-context retention in the default use cache handler: #97941
docs: improve discovery summaries: #97982
test: add test for local font with deployment id: #97987
Retain interception route host slots: #97242
test: disable flaky sync-io-blocks-root.test.ts: #97986
[test] Drain build output before start: #97947
Expose durableUseCacheEntries config in workStore: #97926
Pages Router: Deprecate React 18 support: #97689
Turbopack: call loadActionManifest for app-route: #97921
[test] Unpin Vercel CLI version: #97974
Turbopack: don't replace single-arg calls with argument in analyzer: #95277
Turbopack: allow compiling turbopack-node without a pool backend: #97943
Support immutable static assets with output: 'export': #97711
Fix build error when aliasing typescript to @typescript/typescript6: #97942
Fix optimistic routing for encoded dynamic params: #97948
Fix intercepted route params after Proxy rewrites: #97953
[PPF] Fix navigation() in prospective runtime prerenders: #98000
Revert "test: re-enable sync IO root coverage": #98050
Turbopack: drop rust analyzer skip annotation: #98047
Turbopack: add next_config.use_react_experimental getter: #98032
More granular cache keys for use-cache entries: #95233
[ci] Remove dormant code_freeze workflow: #97756
test: re-enable sync IO root coverage: #97996
[ci] Remove the unused wrong-issue-template workflow and action: #97749
[image-optimizer] Refactor into lightweight transform module: #97988
[ci] Remove the stale-issue workflow: #97758
[ci] Use presigned URLs to upload preview builds: #97922
Turbopack: allow get_definable_name to return a list: #97984
docs(examples): document env var handling in the Docker examples: #97968
Turbopack: unify member and in handling: #97985
Update outdated snapshots: #98011
Guard filesystem reads against unresolved symlinks: #97902
Turbopack: enable export mangling by default in production builds: #97676
Turbopack: mangle exported names for smaller bundle sizes: #97672
[ci] Remove the popular workflow and its action: #97753
Store keys in key order in SST blocks that omit hashes: #97480
Honor non-interactive mode in upgrade codemod prompts: #98030
Transform .mjs files with Next.js codemods: #98029
evals: stop requiring the removed viewTransition flag in agent-043: #98116
errors: shorten "use cache" messages and unify them into one factory: #94300
test: add adoption skill evals: #97759
Upgrade React from 29d9d318-20260826 to ff7445e6-20260831: #98113
[ci] Simplify upload-preview-tarballs workflow: #98109
devlow: use commander for cli argument parsing: #93860
[PPF] Pass in original searchParams for private-cache pages: #98041
docs: document create-next-app Cache Components prompt and flag: #97798
lazy server hmr: #96566
Fix Turbopack HMR recovery after dropped connections: #97966
test: Improve test cache handler implementations: #98098
docs: Fix the documented contract for custom cache handlers: #98039
chore: remove unused code from image optimizer: #98060
docs: add layout stability guidance for videos and iframes: #98070
tests: Improve use-cache-cross-deployment tests: #98049
turbo-tasks-malloc: report memory from mimalloc: #97761
Remove Edge runtime handling in use-cache-wrapper: #98139
Skip discussions in the issue_lock workflow: #98146
[ci] Fix issue_lock: #97755
docs: document preloading with Cache Components: #97864
chore: Remove expired sharp release age exclusions: #98120
Reduce Turbopack cache size with per-family compression: #97714
[test] Skip hooks of suites skipped by a lazy @force-gate: #98169
Bump swc to v77: #97407
Upgrade React from ff7445e6-20260831 to 21c89c9f-20260901: #98147
turbo-tasks-backend: parent_count-driven garbage collection: #97282
Remove the worker thread for turbopack builds: #96862
turbo-tasks-malloc: address review feedback on #97761: #98153
test: remove stale deploy manifest exclusions: #98051
Enable hourly next-maintainer auto-close workflow: #98225
Return client errors for unrecognized Server Actions: #98123
Add Next Maintainer auto-close workflow: #98197
perf(turbopack): skip ignored files during server tracing: #97475
docs: note that experimental.taint taints process.env: #98145
test: preserve static params during Cache Components migration: #98209
Upgrade web-vitals to v6 and report soft navigations: #97232
Upgrade React from 21c89c9f-20260901 to f4e439e1-20260902: #98188
Turn on the adapter route collapses by default: #98218
fix: suppress missing package manager errors in next info: #97946
Turbopack: fix source field in CSS sourcemaps: #88225
fix: track dynamic accesses in final runtime prerenders: #98255
docs: add API reference pages for skipProxyUrlNormalize and skipTrailingSlashRedirect: #97967
fix: route info segment overrides not updating in dev overlay: #96968
test(turbopack): remove dead top-level task unmarks: #98246
Fix flaky successive HMR changes test: #97610
docs: Remove version label from Turbopack in Pages Router: #98316
Bump to swc v78: #98268
Create next.config.ts when generating apps with pnpm new-test: #98364
test(evals): accept LayoutProps in App Router migration: #98365
[test] Run deploy tests against local JavaScript changes by default: #98353
[test] Resolve workspace:* packages to the version under test: #98330
turbo-tasks: explicit GC root anchoring + cross-session orphan reclamation: #96857
[PPF] Fix missing runtime-follow up if hints are stale: #98278
Instant validation for caches excluded from prerenders: #98342
[PPF] Model caches with stale < MIN_SHELL_STALE as prefetch-only data: #98339
docs: document excluding content from a prefetch in the prefetching g…: #98175
docs: add unstable_navigation and unstable_prefetch API references: #98122
Fix turbopacks webpack loader setup to support options being optional: #98270
[ci] Align build-and-deploy triggers with build-and-test: #98331
test: stabilize server action HMR update: #98322
Add version for loaders api: #98377
turbo-tasks-backend: let a GC pass wind down when it is blocking an operation: #96676
docs: preserve Next.js development state: #98276
Adds .resolve to loaders api: #98361
Turbopack: fix require handling with alternative: #98258
docs: clarify ISR with Suspense params: #98210
[cd] Update peerDependencies in prereleases to accept the current prerelease: #98411
test: stabilize error recovery snapshot timing: #98414
example: Use a Redis cacheHandler w/o dependencies: #95346
Support durable use-cache entries with client components: #98140
Upgrade React from f4e439e1-20260902 to 6c0e1047-20260908: #98363
fix: preserve repeated --require/--import flags when forking workers: #96651
ci: check that Turbopack compiles for wasm: #97588
feat(next-napi-bindings): build Turbopack for wasm: #97586
Turbopack: fix output tracing include glob traversal: #98382
test: support deploy exclusions with force gates: #98149
Fix: Turbopack CSS HMR error when editing an unmounted merged CSS chunk: #94551
Dev server: More aggresively scold users for deleting .next when we detect it while dev is running: #98253
turbo-persistence: add TURBO_PERSISTENCE_MMAP=0 to disable mmap: #97873
Fix dev route discovery startup race: #97920
Re-enable @vercel/devlow-bench publishing: #98236
test: migrate caching deploy exclusions to force gates: #98154
Typecheck the Turbopack ECMAScript runtime in CI: #98422
Fix initial Turbopack HMR update handling: #98385
Skip bundler config validation in next/jest and under test: #98392
Remove tsec: #98423
Stabilize scope_unbounded panic test: #98416
test: restore deployment exclusion for shared Cache Components tests: #98464
Resolve metadata independently across parallel routes: #97345
docs: preserve route behavior during Cache Components adoption: #98275
Add a fast-path to 'get_relative_path_to' for a potential common case when 'from' is empty: #98440
docs: document React browser API: #97621
Enable React browser bailout by default: #98439
[evals] Cover focused Cache Components and Partial Prefetching cases: #97813
Deflake gc_interrupt_is_self_healing: #98445
Adds this.target for webpack loaders: #98436
test(evals): validate delegated error boundary components: #98387
test: stabilize deferred entries HMR assertions: #98418
Add in warning for workers around the fsevents bug: #98447
skill: add Partial Prefetching optimizer: #96471
bundle-analyzer: add table view to single-build analyzer: #93523
bundle-analyzer: add table view to compare mode: #93522
bundle-analyzer: add compare view with treemap diff: #93521
[testmode] Stop using deprecated url.parse: #98194
fix(next/image): don't share the requester's socket with the internal image response: #98168
Fix duplicate background revalidation for 'use cache': #98446
Turbopack: Deduplicate project options documentation: #98465
Report incompatible parallel route slots: #97430
Require canonical routes for interception routes: #97428
Error when app pages do not match any route: #97401
fix(turbopack): add get_relative_request_to for paths used as module requests: #98497
[ci] Cleanup orphaned next-stats-action: #98348
[scripts] Move scripts (and benchmarks) off of node-fetch: #98347
[test] Move fixtures off node-fetch: #98346
[test] Move the harness off node-fetch: #98195
fix(turbopack): resolve ../ and /-rooted import.meta.glob patterns: #96557
Durable use cache: optimize env var existence checks: #98504
Adds this.mode for webpack loaders: #98532
Upgrade React from 6c0e1047-20260908 to 019019be-20260911: #98576
feat(next/image): Add experimental imgOptMozjpeg config: #98571
[turbopack] Lazily compile dynamic imports in development (client side): #97203
fix(devtools): handle pointercancel when dragging the indicator: #98506
[ci] Show full logs under GitHub Actions debug logging: #98501
fix(typegen): merge cacheLife types into next/cache instead of shadowing it: #98252
[test] Fix proxy-request-with-middleware deploy test: #98553
[ci] Remove the broken Test examples workflow and its test suite: #98517
Align fallback parameter staging with shell validation: #98512
Prevent synchronous IO from entering Cached Navigations: #98511
[ci] Fix scheduled Rspack test job: #98508
[ci] Remove Turbopack test manifest pipeline: #98507
test: stabilize OpenTelemetry collector lifecycle: #98427
Make TurbopackResult payloads disjoint: #98575
Durable use cache: fix runtime env var mutation: #98558
refactor(turbopack): drop the generic on new_atom, and stop it copying an owned string: #98520
Serialize turbo-tasks trybuild tests: #98415
Expose App Router runtime errors over HMR: #98438
test: avoid OpenTelemetry collector socket reuse: #98632
fix: Bump vendored @mswjs/interceptors from 0.42.0 to 0.42.5: #98607
Document codemod errors and intentional migration exceptions: #98565
Unify TODO markers for codemods and skip adoption-only codemods for upgrade: #98560
Optimize strict module factory chunks: #98421
Sort batched chunk items globally by path: #98433
test(turbopack): strongly read test operations: #98247
Add next dev wait for Turbopack shutdown: #98646
docs: document default turbopack.resolveExtensions: #98627
test: migrate package CSS side-effects coverage: #98635
Improve tree shaking through Next.js module wrappers: #98638
Trace export usage through client component proxies: #98621
fix(turbopack): trace cyclic modules to explicit entries: #98661
Use default pnpm package import method: #98703
Fix constant inlining in shorthand properties: #98662
test(turbopack): add strong read operation roots: #98248
Use pnpm for isolated test installs: #98425
[turbopack] Forward usage information across re-exports: #96282
[turbopack] Use options object for ESM references: #98680
test: enable verified runtime deploy tests: #98457
test: enable verified assets deploy tests: #98527
test: enable verified pages-router deploy tests: #98526
test: enable verified tooling deploy tests: #98525
test: enable verified app-router deploy tests: #98524
test: enable verified caching deploy tests: #98523
Fix unexpected query parameters in adapter deployments: #98584
Keep never-prerenderable params out of self-hosted shells: #98612
Fix addMissingDependency: #98588
docs: clarify metadata support in root not-found: #98670
Pages Router: do not return the __appRouter prefetch marker as route info on shallow navigation: #98187
Pages Router: key the client router filter prefetch marker by the as path: #98182
docs: add an intro paragraph to the glossary: #98654
Fix App Router locale path matching with Pages i18n: #98095
Upgrade React from 019019be-20260911 to ff8f88fc-20260915: #98693
Store code generation AST paths in a shared trie: #98581
Turbopack: Remove wasmer from lockfile by deleting dead feature option from our wasm crate: #98761
Prefer using join over try_join when you don't want a vec: #98547
Preserve committed app route response status during fallback: #98649
docs: scope React cache() guidance to the render pass: #98741
fix(next-custom-transforms): never place generated imports before directives: #98717
Pin tasks during construction: #98688
fix(use-cache): track root params read in "use cache" as vary params: #98674
[test] Fix Webpack deployment failures in PostCSS tests: #98710
Revert "Fix App Router locale path matching with Pages i18n": #98715
Nudge the agents for future defaults adoption: #98721
Add future defaults upgrade coverage for next upgrade --ai: #98643
Nudge the agents for latest version upgrade: #98640
Add "latest" upgrade coverage for next upgrade --ai: #98633
Nudge the agents for security vulnerable version upgrade: #98637
Add next upgrade --ai and security vulnerability coverage: #98562
agents: Add a --comments-only flag to pr-status script, trim down context bloat in AGENTS.md: #98781
Keep guards across restore owner handoff: #98700
[turbopack] Track webpack loader build dependency files: #98777
Replace lzzzz with lz4_flex: #98799
Bump to swc v79: #98809
[PPF] Fix unnecessary runtime prefetch with prefetch={true}: #98651
Keep metadata rendering stable across streaming modes: #97440
[test] Expand root-param navigation regression coverage: #98731
docs: rewrite the bots and crawlers section in the caching guide: #98782
Fix isStableBuild() treating commit preview tarballs as stable: #98811
perf(turbo-persistence): shard meta files by family: #97703
turbo-persistence: assorted read-path cleanups: #97797
turbo-persistence: give key block searches a dense region of their own: #97705
Introduce config options for Turbopack GC: #98378
Persist resurrected tasks as new tasks: #98729
Rspack: Remove bincode dependency from rspack by way of turbo-unix-path: #98855
Pin tasks across restore waiter handoff: #98728
test: honor skipStart for Vercel deployments: #98776
Use internal prefix for Turbopack shutdown env: #98747
test: retry waiting for ISR fallback in prefetch-static-shell: #98884
Fix generated Turbopack GC option docs: #98888
Add agent feedback behavior evals: #98887
Add experimental agent feedback workflow: #98582
Clean up unnecessary output asset creation: #98834
Properly disable laziness on next/dynamic: #98828
Set experimental.agenticAutoUpgrade after successful upgrade: #98871
example(cache-handler-redis): fix connection leak, hangs on a down Redis, and cross-page tag invalidation: #98716
Do not check Node version while agentic upgrade: #98852
test: run cargo unit tests with miri as well: #97535
test: unflake instant-validation: #98854
Preserve closed-parameter restrictions in client route prediction: #98889
[test] Fix deployment tests that relied on implicit startup: #98935
Turbopack: Add support for specifying additional roots: #98003
Turbopack: Add symlinks and additional roots to NFT metadata: #98469
Enable AI upgrade for canary: #99001
fix(turbo-persistence): preserve write errors on writer drop: #98840
Skip slow valued tombstone test under Miri: #98992
Improve the agent feedback review flow: #98937
Run AI upgrades with the latest official canary: #98870
test: move whole development-only suites out of e2e: #98842
Fix instant-false codemod to run on route segment filenames: #98880
test: migrate legacy deployment exclusion callers: #98473
Split revalidation errors by execution context: #98993
Enable strict route matching by default: #97397
Surface agent feedback gate connection failures: #98991
Generalize the build-time generator work-unit store name: #98891
Use structural React keys during server rendering: #98944
Upgrade React from ff8f88fc-20260915 to 59aff3e1-20260918: #98897
Remove unused hasWarnings and warnings: #96956
[PPF] Scaffold unstable_ensureStatic segment config: #98190
[agent-feedback] Respect CI and telemetry opt-out: #99062
Fix prefetch loop when a predicted route redirects: #98998
Fix dev overlay header layout on small screens: #99049
[PPF] Separate tracking of runtime data accesses for shells and prefetches: #98129
Harden next/og SVG serialization: #99061
test: clarify dev-only intent of duplicate Sass warning test: #98917
test: enable upward distDir deployment coverage: #98886
test: remove redundant deployment skips from mode-guarded suites: #98908
Turbopack: trace static project files referenced by packages: #98712
Durable use cache: fix next/image pulling in NEXT_DEPLOYMENT_ID: #98739
Unify hydration error tree details: #99008
Turbopack: forward module graph, entrypoint write, and emit spans to the JS trace: #98408
Fix startTime and shutdown delivery of forwarded Turbopack trace spans: #98426
Turbopack: loader change invalidation: #95732
perf: optimize CSS graph cycle removal: #98860
Use AGENTS.md for managed agent instructions: #99043
Turbopack: analyze mode tracing imports only: #98825
Turbopack: compact re-export registration: #98617
test: Add test for ESM and CJS exports of next/* APIs: #98882
Keep cached root parameters out of generic fallback shells: #98950
Fix missing content in Cached Navigations: #98767
[turbopack] Track members across namespace re-exports: #96396
[PPF] Implement unstable_ensureStatic = "shell" | "prefetch": #98191
[PPF] Validate unstable_ensureStatic nesting: #98357
Replace lerna task-runner usage with pnpm: #99040
[cd] Fix release branch gate and drop dead lerna publish config: #99039
Turbopack: fix "ModuleId not found for ident" regression: #99090
Fix private-cache segment reuse across root params: #98810
Turbopack: fix Unknown module type error for imports in webpack loaders: #99088
Nudge future defaults upgrades for manual next dev|build: #98874
Nudge latest version upgrades for manual next dev|build: #98873
Nudge security upgrades for manual next dev|build: #98872
Upgrade React from 59aff3e1-20260918 to 8b0da1c6-20260922: #99059
refactor(turbo-rcstr): drop unsupported 16-byte pointer width: #98355
test(turbo-tasks-backend): run the db_versioning tests on wasm: #97901
fix(turbo-tasks): let parking_lot block on wasm instead of panicking: #97860
test(turbo-tasks): run the wasm tests with a Node wasi host: #97789
[cd] Skip the release job when no new commits warrant a release: #98664
[test] Add fallback param deployment regression coverage: #98883
Turbopack: mangle exports behind an escaping namespace via the facade: #97770
test(dev): add dedicated compiler polling coverage: #97673
build(turbopack): upgrade notify to 9.0.0-rc.5: #98737
test(turbopack): add polling to filesystem watcher fuzzer: #98863
test(turbopack): fix filesystem watcher symlink expectations: #98983
test(turbopack): fix filesystem watcher read-write tracking: #98982
Don't re-request the App Shell to upgrade an ISR fallback: #94808
Fix unstable ensure static task annotation: #99075
test: update React 18 hydration error snapshots: #99073
Remove redundant unsafe_ignore annotations: #98961
Remove TraceRawVcs: #98953
test(turbopack): remove remaining test unmarks: #98376
Add experimental custom webpack support: #98862
Default agentic upgrades to a separate worktree: #99111
Improve agent upgrade failure message for missing app: #99117
Preserve error boundaries in on-demand partial prerenders: #99051
Preserve error boundaries during on-demand prerendering: #99037
docs: clarify Turbopack ModulePart export examples: #99104
Add some more verification and safety rules around custom distDir: #98997
Preserve closed-route admission across cache misses: #98964
Move suspension into operation guard: #99053
[agent-feedback] Shorten managed agent instructions: #99065
docs: clarify Cache Components build output: #98274
Update Rust namespace re-export snapshots: #99106
[ci] Skip preview tarball upload when the artifact is missing: #98713
[cd] Retry preview tarball uploads with backoff and richer diagnostics: #99060
Promote next analyze command: #99074
[ai-upgrade] Remind the agent to report the nudge: #99127
Tune Node server chunking for require overhead: #99120
Turbopack: fix another "ModuleId not found for ident" regression: #99102
test: enable deploy coverage for TypeScript config errors: #98849
test: enable deploy coverage for routing build errors: #98848
test: enable deploy coverage for cache build errors: #98847
Turbopack: chunk each layout segment once in production: #99100
bundle-analyzer: exclude traces from output types: #98536
turbo-tasks-gc: Defer most aggregation graph management until after GC has settled: #98591
Skip ESLint migration when scripts do not use next lint: #99103
Turbopack: pass RcStr to AnalyzeIssue: #99166
Use graph-backed codegen for client proxies and WASM loaders: #99115
[PPF] Instant validation for ensureStatic = "shell" | "prefetch": #98249
Fix flaky lazy-dynamic-imports.test: #99057
[test] Skip flaky deploy tests: #99156
[cd] Tolerate 409 when uploading preview tarballs: #99091
[test] Fix new deploy suites: #99162
Provide only the relevant context for agent upgrade: #99189
Turbopack: Add support for additionalRoots to deployment adapters: #99015
Use Sonnet 5 with 1M context for AI upgrade handoff: #99183
docs: font per-call preload scope and the declarations font-family override: #99167
Revert "Add experimental custom webpack support": #99227
test: stabilize lazy dynamic import error overlay: #98730
turbo-tasks-gc: tear down reverse edges when collecting a task: #99145
Sequence CI for branch-based PR stacks: #99086
Prefetch scheduler mirrors the navigation's tree walk: #98975
Separate route structure comparison from param comparison: #98974
Store the head as its own CacheNode: #98973
Record which params a CacheNode's data depends on: #98972
Use RouteTree for CacheNode tree: #98971
Remove the page/layout distinction from RouteTree: #98970
Fix root predicates: #98942
[turbopack] only remove followers if they are actually removed as children: #98843
turbo-tasks-backend: simplify the collectibility predicate and collect transient tasks: #98615
turbo-tasks-gc: Invalidating a deleted task should be a no-op: #98614
Avoid decoding prerender matcher parameters twice: #99121
Prepare 'use cache' for static root-param tracking: #99239
[test] Adjust the prerender-encoding open fallback gate for non-adapter deploys: #99240
Turbopack: avoid project-wide traces from package directories: #99238
Hoist resolved pathname into app page route match: #99259
docs: papercuts in image API reference: #99256
test: run the TypeScript version warning suites in deploy: #99195
test: drop skipDeployment where another gate already excludes deploy: #99194
bundle-analyzer: suspend while loading analyzer data: #98535
Fix Server Actions hanging after navigation to PPR pages: #99252
Fix blurry bundle analyzer treemap on low-DPI displays: #99197
Rename bundle analyzer snapshot naming option: #99251
Reduce stacked PR gate polling and use ts-jest: #99215
Name the internal trace server process: #99257
test: enable deploy coverage for asset and compiler errors: #98850
test: consolidate duplicate mode branches in build error tests: #99135
test: snapshot the proxy-runtime build error output: #99136
Avoid obsolete pnpm overrides in pack-next: #99199
bundle-analyzer: move comparison state into URL: #98530
simplify Transition by removing dead members: #94467
fix: respect metadata streaming policy in Edge SSR: #99128
Avoid facade splits solely for export mangling: #99285
test: forward __NEXT_PARTIAL_PREFETCHING to test-deploy: #99275
Turbopack: Allow webpack loaders to cross filesystem roots when reading dependencies: #99202
Explain prerelease security upgrade limits: #99230
Support latest agentic upgrades on prerelease channels: #99223
Allow agentic upgrades without Git: #99217
Show security upgrade insights in DevTools: #99002
Use focused npm advisories and nudge only for ready upgrades: #99222
[test] Stabilize middleware revalidation test: #99378
test: scope loader build dependency update to Turbopack: #99380
Remove CLAUDE.md symlinks in favor of AGENTS.md: #98910
Align ExecuteContext task accessor names: #99258
[test] Stabilize responsive dev overlay header layout test: #99376
Turbopack: skip trimmed side-effect imports in SideEffectsModule: #95781
Turbopack: preserve import with clauses when direct-binding: #95529
Turbopack: fix split_module correctness for app-router: #95522
Turbopack: fix empty tree-shake chunks desyncing part ids (#93424): #95516
Fix custom cache handlers missing on initial requests: #99372
Allow Draft Mode on unlisted closed routes in adapter deployments: #99370
Fix bundle analyzer source table delta sorting: #99369
test: fix stale snapshots after unstable_{prefetch,navigation} rename: #99371
Virtualize bundle analyzer source table: #98539
[PPF] Remove leftover debug log in router: #99365
Remove unstable_ prefix from navigation() and prefetch(): #99241
Lazy dynamic imports for ssr: #98836
Refine the Security Insight upgrade prompt: #99354
[PPF] ensureStatic = "navigation": #99171
docs: use prefetch={true} for links to ISR pages with Cache Components: #99261
Add agent feedback to create-next-app defaults: #99119
Make next-dev-loop browser headless by default: #98318
[test] Extend timeout for tests barely below it: #99305
docs: typo fixes: #99350
[ai-upgrade] ESC to move back during prompt: #99319
[ai-upgrade] Ask user to choose permission: #99291
[ai-upgrade] Ask user to choose model and effort: #99235
[ai-upgrade] Ask user whether to start upgrade in worktree: #99232
[create-next-app] Enable Cache Components by default in create-next-app: #99436
Include async module evaluation in client loading metrics: #99427
turbo-tasks-backend: fix leaf distance tracing compilation: #99443
Enable proxy export tests in deploy mode: #99400
docs: record API stabilization across Next.js 16 releases: #99420
test: migrate and explain custom server deploy exclusions: #98994
test: migrate and explain root-inference deploy exclusions: #99012
Enable build diagnostic suites in deploy mode: #99402
test(turbopack): remove filesystem fuzzer unit tests: #99089
[turbopack] Support webpack loader build dependency requests: #99071
[turbopack] Track webpack loader build dependency directories: #98838
[ci] Wire preview builds variables consistently: #99323
[ci] Enable PR comment in any repo: #99315
Fix bundle analyzer route selector: #98702
bundle-analyzer: use Rust React compiler: #98695
Link bundle analyzer empty states to source mode: #98542
Consolidate HTML render completion cleanup: #99426
Scope client component loading metrics to HTML renders: #99322
fix: preserve HTTP status codes during prerendering: #99078
test: enable deploy coverage for five verified suites: #99193
Document agent feedback field limits: #99415
test: migrate tooling deploy exclusions to force gates: #98156
Turbopack: Don't force non-recursive watcher for additional roots: #99396
turbo-persistence: intermediate merges take the newest files of similar size: #99433
turbo-persistence: space-amplification driven compaction with adaptive hash shards: #99268
test: enable basePath redirect deployment coverage: #99401
fix(incremental-cache): keep an ISR entry's cache lifetime across instances and restarts: #99289
Avoid mutating image qualities during validation: #99476
Remove the Cache Components deployment-test alias: #99446
Finalize the App Router dev indicator on output completion: #99384
[test] Cover external next/image in adapter deployments: #99466
Prepare image options without mutating configuration: #99394
[PPF] Use RDC in runtime prerenders: #98025
[PPF] Use RDC in cachedNavigations codepaths: #98005
test: add PPF coverage to use-cache and RDC tests: #99417
Restore static metadata prerendering for dynamic routes: #99463
Exclude metadata files from route handler type validation: #99377
Remove true from agentUpgrade option: #99461
fix: revalidateTag not reaching custom cache handlers when profiles differ : #99359
Enable agent upgrade reminders by default: #99311
Enable deploy tests for reusable fixture variants: #99404
test: enable compatible body-size cases in deploy: #98911
test: retain deploy exclusions for local process control: #99392
Enable nullish config tests in deploy mode: #99397
Always use generateBuildId if set explicitly: #99147
Set tracer library version: #98262
fix: propagate repeated tag revalidation from after(): #99499
Stabilize ensureStatic: #99513
Turbopack: Enable experimental.turbopackSharedRuntime by default: #99504
Measure AI upgrade nudges, handoffs, and completion: #99465
turbo-persistence: 32 bit fingerprints for the used keys AMQFs: #99333
Remove suspend during operations: #99383
test: migrate runtime deploy exclusions to force gates: #98159
test: migrate asset deploy exclusions to force gates: #98158
test: migrate Pages Router deploy exclusions to force gates: #98157
fix: stale usages of unstable_ensureStatic: #99540
Add unstable parameter matching APIs: #97393
docs: point next package security disclosure to HackerOne: #99459
docs: add ensureStatic reference and validation guidance: #99355
Enable Turbopack export name mangling by default for builds: #99362
Allow skipping React and ESLint upgrades: #99468
Prefer the declared package manager during upgrades: #99471
Use Next.js conventions in bundle analyzer UI: #98780
Pass App Page HMR state through a dev render context: #99487
Remove request forwarding from App Router error reporting: #99488
docs: self hosting immutable static assets: #97008
test: enable deployment fixtures with Corepack and portable tarballs: #99192
Resolve React dependency warnings from the target app: #99536
Move upgrade workflows out of public docs: #99546
Use Agent terminology throughout upgrades: #99545
Turbopack: Commit updated generated-native file: #99561
test: enable Relay multi-project deployment coverage: #99403
test: migrate independent App Router deploy exclusions to force gates: #99431
test: migrate mode-specific deploy exclusions to force gates: #98160
Optimize esm exports by shifting the protocol burden to getters: #98932
fix: fix pnpm builds in Docker examples: #97352
Assert transient task references are not serialized: #99300
Reorganize bundle analyzer toolbar: #98920
Show async module scope in bundle analyzer: #98918
Show bundle changes in compare treemap: #98837
improve disk read semantics around MustExist and AllowMissing: #99249
Allow opt-in facade-backed export mangling: #99309
Add bundle analyzer route summary: #98787
[turbo-tasks-backend] Correctly maintain outdated_collectibles to prevent unnecessary stale executions: #99386
Upgrade React from 8b0da1c6-20260922 to 278794d7-20261002: #99600
Warn when Partial Prefetching is not configured: #99452
Store the Turbopack module cache in a Map: #98947
Improve agent feedback reporting reliability: #99591
Enable empty generateStaticParams deploy diagnostics: #99406
test: enable Nx deployment coverage: #99407
test: enable deployment coverage for monorepo fixtures: #99395
test: capture deployment experimental flags in config: #99534
test: extract a shared helper for deployment feature flags: #99533
Move App Page header parsing to handler entrypoints: #99506
docs: clarify ensureStatic levels from dogfooding: #99590
Gate param-matching deploy tests on the adapter: #99582
docs: update the MCP guide for next-devtools-mcp 0.4: #99583
Document agent upgrades across Next.js: #99293
[test] Fix the legacy image preload order assertion for React 18: #99572
docs: Remove task decomposition and validation boilerplate from AGENTS.md: #99558
Turbopack: Use a FrozenMap for DiskFileSystemMap: #99569
[test] Expose first-run e2e test failures in CI: #99528
Turbopack: resolveFileUrl/placeholderFileUrl is always called with a module path: #99560
Turbopack: Remove implicit mismatched root fallthrough for AfterResolvePluginCondition, accept None as a root: #99556
Turbopack: Allow ResolveMap entries to match against all possible roots: #99555
Turbopack: Support import.meta.url in additional roots: #99511
Followup from #99249 remove some redundant tests and enable missing assertions all the time: #99605
Simplify turbo-tasks-backend guards and execution contexts: #99599
Add allocation and memory data to the trace-server MCP protocol: #98546
turbo-tasks-backend: check access in track_modification and only track Data on serialization invalidation: #99581
Fix CI break caused by #98932: #99621
Fix: Unnecessary Suspense fallback triggered by URL update: #99612
Don't suspend client params on shallow URL updates: #99611
Add React Compiler memoization preservation option: #98589
Unify bundle analyzer delta colors: #99607
Turbopack: Cache canonicalized paths without turbo-tasks, try to find the longest cached prefix first: #99270
Record parameter matching usage in build metadata: #99594
Bundle Analyzer Agent Skill: Stream versioned analyzer graph as JSON Lines: #99387
Revert "Optimize esm exports by shifting the protocol burden to getters (#98932)": #99704
[PPF] Log Sync IO errors in runtime prerenders: #99688
docs: clarify use client directive as a file level directive: #99703
Stabilize forbidden() and unauthorized(): #99689
turbopack-ecmascript-runtime: type-check every runtime file: #99670
test: unflake use-cache-search-params: #99691
Avoid mutating config for default export paths: #99496
Keep compile-mode metadata outside configuration: #99491
Keep dynamic asset prefixes outside configuration: #99490
eslint-config-next: support ESLint 10: #99628
Add Instant Insights for prefetch() and navigation(): #97801
rename RenderStage.Runtime to PrefetchRuntime: #99679
Collect root param dependencies for 'use cache' at build time: #99274
Add client fixes for fully static route errors: #99659
docs: clarify hover prefetching with Partial Prefetching: #99665
Durable use cache entries: sort env var list: #99657
next-swc: rebuild native when embedded js/src files change: #99669
Improve static route error guidance: #99724
docs: add Turbopack experimental config references: #99723
Show choices for agent upgrade prompt: #99727
docs: add Keeping pages static guide and align the navigation stage docs: #99493
Turbopack: Check the invalidator map before adding a path to a batch: #99711
docs: add guide for optimizing the static shell: #97737
Keep dev and build running during upgrade prompts: #99702
docs: use auth interruption APIs in examples: #99698
docs: recommend auth interruption APIs in error handling: #99696
[test] Update snapshots: #99713
Bundle Analyzer Agent Skill: Trace conditional async and worker chunk loading: #99174
Bundle Analyzer Agent Skill: Show route chunk groups: #99170
Bundle Analyzer Agent Skill: Show modules in generated JS/CSS files: #99173
Bundle Analyzer Agent Skill: Expose more route details in analyze data: #99172
turbo-tasks-backend: stop dirtying dependents of GC-collected tasks: #99647
turbo-tasks-backend: treat reads and connects of collected tasks as errors: #99646
turbo-tasks-backend: stop pinning tasks during restores and always discard missing tasks: #99645
Bundle Analyzer Agent Skill: Add analyzer skill: #99169
Document next analyze export in the package bundling guide: #99735
Revert stabilization of forbidden() and unauthorized(): #99734
Preserve configured output directories during static export: #99507
Rename skill to next-bundle-optimizer and document its usage: #99731
[turbo-tasks-backend] Clean up task state before publishing execution completion: #99729

Credits

Huge thanks to @acdlite, @icyJoseph, @lukesandberg, @sampoder, @ztanner, @vercel-release-bot, @marcoshernanz, @mischnic, @timneutkens, @eps1lon, @gaearon, @aurorascharff, @unstubbable, @lubieowoce, @wbinnssmith, @molebox, @kyamaz99, @sokra, @Janpot, @bgw, @m-kawafuji, @koenpunt, @gnoff, @mayur9210, @Jashnavi25, @jarrensj, @akselipalmer, @DavidIlie, @kelvinampofo, @Stanzilla, @syedsohailhussain1, @gaojude, @hammadxcm, @jimmyhmiller, @lazerg, @styfle, @bryan-ferry, @gdborton, @hardfist, @niketchandivade, @seanbeirnes, @0ldh, @fabian-hiller, @devjiwonchoi, @biubiukam, @fireairforce, @QingHeSite, @marceloboeira, @leejpsd, @hamidrezahanafi, @jgruica, @zeeshan56656, @mlekhi, @dacgray, @Xanaado, @mezotv, @anujbolewar, @spirosikmd, @Amusac, @itsybitsci, @ranger-ross, @bmorros94, @jamiboym, @kostyniuk, @alangenfeld, @aryabyte21, @martinfrancois, @kassens, @orzazade, @Samiislam851, @lukahartwig, @uaoa, @swarnava, and @6iu8a for helping!