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Next.js 16.4.0

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Release notes

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We summarize recent releases. The original release notes for this version are below.

release-notesgithub.com/vercel/next.js · 947 lines
  1. Check out the [16.4 announcement post](https://nextjs.org/blog/next-16-4) to get an overview of the changes.
  3. ### Core Changes
  5. - Show compiler plugin warning in more situations: #75682
  6. - fix(scripts): correct typo in rm.mjs error message: #87015
  7. - docs: improve clarity and punctuation in README: #86096
  8. - Fix debug build paths Pages Router support entries: #93529
  9. - bundle-analyzer: record historical snapshots on each analyze run: #93520
  10. - fix: detect proxy.ts correctly with compound pageExtensions: #93246
  11. - feat(turbopack): support `false` values for `resolveAlias` config: #93331
  13. ### Misc Changes
  15. - docs: correction to dynamicParams migration: #96624
  16. - docs: proxy event argument: #96435
  17. - docs: remove experimental note from runtime prefetching: #96615
  18. - Preserve per-segment prefetching after dynamic navigation: #96583
  19. - Rename static generation stream option to waitForAllReady: #96564
  20. - Remove obsolete static generation plumbing: #96563
  21. - [turbopack] Drop dead writes to `exports`: #96381
  22. - [turbopack] Ignore writes to `exports` after a `module.exports = {}` writes: #96380
  23. - [turbopack] Add test for sideEffects with optimizePackageImports: #96549
  24. - [turbopack] Strip leading BOM before parsing CSS: #96678
  25. - Upgrade React from `cbb046ab-20260731` to `7dfc7ccd-20260803`: #96550
  26. - docs: use relative doc links in instant-navigation error pages: #96672
  27. - Turbopack: terminate failed plugin worker threads: #96592
  28. - Fix HTML-limited bot matching in prerender bypass rules: #96584
  29. - [ci] Fix create_release_branch for new repo permissions: #96641
  30. - test: skip action module instance deploy test: #96629
  31. - docs: quote the dynamicParams build error in a blockquote: #96633
  32. - [react-sync] Open pull requests as the bot that authors the commits: #96682
  33. - [Bench] Fixes for pure Fizz bench: #96771
  34. - Derive foreground cache revalidation from the consumer: #96731
  35. - Fix race when navigating Back before hydration: #96252
  36. - docs: present each Skill as steps in the AI agents guide: #96751
  37. - Reuse completed cache entries for the rest of a request: #96727
  38. - Upgrade React from `7dfc7ccd-20260803` to `11eddecd-20260805`: #96735
  39. - Remove WorkStore execution mode: #96674
  40. - Remove cache revalidation execution mode reads: #96670
  41. - Separate App Route render and prerender pipelines: #96662
  42. - Remove App Page execution mode reads: #96660
  43. - test: fix missing await in css-chunking test: #96725
  44. - docs (Skills): stop assuming app/ at the root and port 3000: #96696
  45. - Implement next/font BeforeResolvePlugins as ImportMappingReplacement: #95808
  46. - Use Tailwind Turbopack loader in create-next-app: #96606
  47. - docs: instant navigation quick start with an adoption prompt: #96663
  48. - Separate App Page render and prerender pipelines: #96659
  49. - Move App Router execution intent to entrypoints: #96640
  50. - Pass explicit render capabilities through App Render: #96576
  51. - Pass explicit prefetch hint policy through App Render: #96572
  52. - Replace WorkStore isStaticGeneration with executionMode: #96570
  53. - docs: document ! exclusion and src/ prefix for --debug-build-paths: #96703
  54. - Change `loadManifest` to return undefined with `handleMissing`: #96530
  55. - Refactor server from CacheNodeSeedData -> TransportData: #96679
  56. - Unify full/partial navigation response types: #96439
  57. - Unify RouteTree and CacheNodeSeedData on the client: #96406
  58. - Consolidate Promise.withResolvers polyfills: #96772
  59. - [ci] Open automated update pull requests with `nextjs-bot`: #96683
  60. - Require Cache Components for Instant Navigation testing: #96745
  61. - Fix use cache over- and under-invalidation in dev: #96235
  62. - Fix which pages the dev server announces, and when: #96250
  63. - docs: update redirected links to current targets: #96723
  64. - Fix(deployment-id): prevent exception on old webkit: #94604
  65. - [fragment-scroll] Remove `config.experimental.appNewScrollHandler`: #95602
  66. - [turbopack] Enable reexport-unknown execution test: #96774
  67. - ci: stop publishing @vercel/devlow-bench: #96887
  68. - fix(turbopack): name the module in the non-ESM-placeable error, and stop duplicating the importer in traces: #96560
  69. - fix(turbopack): support `type: 'text'` in rules, and error on binding imports of non-ESM modules: #96558
  70. - Lint devlow-bench with the root eslint config: #96871
  71. - Remove `turbopack/packages` and relocate devlow to `packages/`: #96860
  72. - Flush pending revalidations for forwarded action error responses: #96945
  73. - Handle Server Actions on dynamic PPR fallback routes: #96932
  74. - Turbopack: Improve how DiskWatcher is configured and fix polling watcher bugs: #96440
  75. - Turbopack: Allow DiskWatcher to use a mocked DiskFileSystem, add a small unit test: #96353
  76. - [turbopack] Add e2e test that uses component chunks + workers: #96556
  77. - [turbopack] Support `experimental.serverMinification` & expand `experimental.turbopackMinify`: #96578
  78. - Add a `turbopackChunking` documentation page for pages router: #96698
  79. - [turbopack] Don't run Webpack tests on Turbopack-only changes: #96656
  80. - [turbopack] Enable the shared runtime by default: #96778
  81. - [turbopack] Enable CJS tree shaking by default: #96779
  82. - refactor: clean up places that needlessly list all RenderStages: #96907
  83. - Fix the documented invocation for generating tests non-interactively: #96896
  84. - Make NextConfigComplete typing more accurate: #96700
  85. - Upgrade to swc 75: #96702
  86. - docs: link View Transitions skill on skills.sh and clarify the example prompt: #96863
  87. - [ci] Reset the turbopack deploy test project in the weekly cron: #96822
  88. - docs: add authentication with Cache Components guide and iron-session example: #95802
  89. - [turbopack] Fix a potential deadlock in scope_and_block: #95695
  90. - Remove the turbopack-build-events trace span, use `next build` instead: #96746
  91. - docs: add `export const dynamic = 'force-static'` to Route Handlers example on Static Exports: #96964
  92. - [turbopack] Follow re-exports for side-effect free async modules: #95993
  93. - [turbopack] Treat constants with values referencing other values as unsafe: #96190
  94. - [refactor] Rename `encodeCacheTag` to `encodeHeaderSafe`: #96936
  95. - Fix formatting of Google Fonts section in documentation: #88447
  96. - Fixing a bug - typo issue fixed: #97141
  97. - examples: fix Webiny API env variable name: #97134
  98. - docs: fix Link prefetch grammar and Client Components wording: #97132
  99. - Use emitted app entries for post-build processing: #97139
  100. - docs(mdx): fix package name in .md handling section: #97131
  101. - [turbopack] Reduce native React Compiler work: #96820
  102. - docs: rename repo to repository for consistency: #87849
  103. - Fix typo in Data Access Layer section: #87202
  104. - docs: runtime prefetching -> optimizing prefetching: #96934
  105. - [CC] Track APIs that cause incompatible static/app shells: #97040
  106. - Fix client component loading span timing: #96455
  107. - Trace development route compilation: #96454
  108. - Prefix `'use cache'` debug logs with the full directive: #97037
  109. - Revert "[turbopack] Enable CJS tree shaking by default (#96779)": #97018
  110. - Revert "[turbopack] Follow re-exports for side-effect free async modules": #97009
  111. - [fragment-scroll] Rename `ScrollAndMaybeFocusHandler` to `ScrollHandler`: #96828
  112. - Trace development route preparation: #96453
  113. - test: cleanup Turbopack snapshot config: #97013
  114. - Remove unused htmlLimitedBots from renderOpts: #96701
  115. - fix(turbopack): point at the glob that matched a file with no module type: #96561
  116. - [turbopack] Bail CJS tree-shaking on `var x = module.exports = {}`: #97130
  117. - docs: server client and directives: #96145
  118. - docs: clarify client cache freshness after hydration: #97180
  119. - docs: create client-side fetching guide: #96341
  120. - Turbopack: accept a module type argument for import.meta.glob: #96991
  121. - docs: align Cache Components authentication guide title: #97143
  122. - test: re-enable a few more passing NFT unit cases: #97017
  123. - [turbopack] Do the CJS analysis needed for scope hoisting: #95826
  124. - Remove legacy PPR code paths: #96868
  125. - Use Cache Components as the internal PPR signal: #96827
  126. - Make legacy PPR paths explicit: #96753
  127. - fix: typos in code comments: #97137
  128. - Fix spelling in two comments: #97136
  129. - Decouple loader tree construction from children ordering: #97192
  130. - Bump lightningcss: #97159
  131. - Update gh-stack skill guidance: #97163
  132. - [test] Unflake `use-cache-custom-handler-dev` tests: #97187
  133. - Forward a build-container pin to deploy-test deployments: #97191
  134. - Fix shared Turbopack runtime initialization race: #97215
  135. - Fix stale data after navigation despite revalidation: #95439
  136. - [turbopack] Only use the shared runtime by default on canary: #97208
  137. - test: fix 'ouput' typo in parseIdsFromCliOutput: #97266
  138. - Add the mtime fallback back: #97268
  139. - Allow issue participants to request reopening: #96947
  140. - [turbopack] Document clusters for chunking: #97267
  141. - Link to issues in the contribution guide and discourage trivial PRs: #97188
  142. - Stop serializing hmr version state: #97146
  143. - [turbopack] Add `clusters` to chunking heuristics: #95157
  144. - [test] Redirect the deployment host in-process for proxy deploy tests: #97260
  145. - [test] Unflake two `cache-components-dev-streaming` assertions: #97246
  146. - [test] Unflake `use-cache-default-profile-expire-zero` tests: #97250
  147. - Allow running `ncc` before `pnpm build`: #97234
  148. - Invalidate deferred Webpack entry sources: #97205
  149. - Unify how a response's shell and full payloads are written: #96878
  150. - Convert per-segment prefetches to NavigationFlightResponse format: #96877
  151. - Unify how server responses are written into the client cache: #96876
  152. - Convert tree prefetches to NavigationFlightResponse format: #96788
  153. - fix(next/image): skip 0-byte entries when initializing disk LRU cache: #94068
  154. - Update authentication diagram URL: #97320
  155. - Add a script for adopting fork pull requests: #97252
  156. - Migrate napi-rs bindings from v2 to v3: #95412
  157. - Upgrade React from `11eddecd-20260805` to `22e4f993-20260811`: #97249
  158. - Add RDC compression rollout controls: #97247
  159. - [testmode] Fix infinite recursion in testmode passthrough fetch: #96525
  160. - Turbopack: add imports_wildcard NFT unit test: #97373
  161. - Turbopack: improve chunk_item_content docs: #97370
  162. - test: Reenable i18n-api-support deploy test for Turbopack with adapters: #96898
  163. - Trace instrumentation startup: #97296
  164. - Trace route module preparation: #97295
  165. - Trace route module loading: #97318
  166. - fix(deps): bump `satori` and `@vercel/og`: #97276
  167. - [test] Cover `'use cache: private'` in route handlers: #97349
  168. - Fix missing Pages runtime in adapter Pages API outputs: #96819
  169. - docs: align SPA guide reducer example with React conventions: #97341
  170. - Update blob version.: #97342
  171. - Upgrade React from `22e4f993-20260811` to `eb8feb71-20260814`: #97382
  172. - Adopt SelectedMetadata for metadata rendering: #97387
  173. - fix(next/image): reject empty image on read/write to disk cache : #97278
  174. - Turbopack: remove stale manifests for deleted routes: #97333
  175. - Turbopack: make unreachable codegen more generic: #97385
  176. - Wait for back-before-hydration recoveries in the browser: #97321
  177. - Extract metadata resolution primitives: #97388
  178. - test: update React 18 redbox snapshot: #97415
  179. - Remove server route matcher stack: #94157
  180. - Anchor the async local storage instances to global symbols: #97255
  181. - test: deflake use-cache-size-zero warm reload: #97421
  182. - Scaffolding for concurrentRouterQueue flag: #97413
  183. - Reorganize client router modules: #97402
  184. - fix(turbo-persistence): allow 32-bit usize conversion: #97288
  185. - test: restore missing NFT `exports*` unit fixtures: #97459
  186. - [ci] Fix backport canary release dispatch: #97383
  187. - turbo-tasks-backend: Enforce that tasks exist when accessing them: #96043
  188. - turbo-tasks-backend: add persistence delete/tombstone plumbing for GC: #95975
  189. - turbo-persistence: add key-value tombstones for MultiValue families: #96929
  190. - Trace lazy App Route module loading: #97439
  191. - [ci] Wait for the `next` version to be available on npm before deploy tests: #97460
  192. - docs: fix stale Dev Overlay README link in contributing guide: #97486
  193. - docs: app router reference accuracy: #97477
  194. - test: Don't wait trying to load non-existing images: #97488
  195. - test: cover dynamic APIs with i18n base path: #97367
  196. - style(examples): remove redundant justify-content declaration: #97222
  197. - docs: rename Vercel Edge Config to Global Config in redirecting guide: #97456
  198. - fix: improve form accessibility by associating labels with inputs: #96335
  199. - [docs] fix: grammar typos in linking and navigating guide: #95544
  200. - fix(examples): correct error message typo: #97223
  201. - docs: fix typos in example links: #97149
  202. - Model prerenders as render candidates: #97431
  203. - Turbopack: support character class ranges in regex: #97502
  204. - docs: warn when catching permanentRedirect: #97496
  205. - Remove the development debug channel persistence: #97510
  206. - Stop the browser from restoring stale pages in development: #97505
  207. - Turbopack: gracefully handle outputFileTracingIncludes matching a symlink: #97507
  208. - docs: mention Valibot as validation library option in forms guides: #97468
  209. - [PPF] Remove `unstable_eager`: #97524
  210. - [PPF] Do not mark complete shell requests as partial: #97503
  211. - fix: add accessible label to icon-only link: #96334
  212. - Fix stale cross-references in skills/: #97566
  213. - docs: generateMetadata values should be serializable with use cache: #97551
  214. - Move preview props into separate manifest: #96004
  215. - docs: adjust interactive app guide: #97558
  216. - Turbopack: allow TURBOPACK_PRINT_CHUNK_GROUPS in release builds: #97515
  217. - [test] Point next-image-legacy images at a reachable endpoint: #97545
  218. - test: improve error-on-next-codemod-comment flakiness: #97553
  219. - Turbopack: cross-module constants: #90300
  220. - test: better isolate concurrent-install suite: #97546
  221. - docs: outlining and lcp: #96942
  222. - Turbopack: More aggressively debounce filesystem watch events if we detected changes to node_modules: #96116
  223. - docs: document metadata pagination field: #95509
  224. - docs: document deploymentId build ID override and Pages Router skew in 16.2: #97645
  225. - Upgrade React from `eb8feb71-20260814` to `eafeac09-20260819`: #97636
  226. - Turbopack: rename to use turbopack: no side effects: #94427
  227. - refactor: move useDynamic{Route,Search}Params to reduce snapshot churn: #97360
  228. - [PPF] unstable_navigation(): #96908
  229. - [PPF] Scaffold unstable_navigation(): #97236
  230. - docs: Explicit cache output description: #97548
  231. - Improve Cache Components sync IO migration guidance: #97572
  232. - [test] Use a non-native stub for the server externals list test: #97614
  233. - Avoid GitHub API rate limits for create-next-app examples: #97612
  234. - [test] Cover the prerender worker-thread backend with an addon we control: #97543
  235. - [test] Convert the `prerender-native-module` suite to local fixture packages: #97542
  236. - [test] Replace the `turbopack-reports` `sqlite3` dependency with a local addon fixture: #97541
  237. - [test] Drop the dead `sqlite3` build approval from the `sharp-basic` suite: #97540
  238. - Remove HmrTarget: #97253
  239. - Keep HMR instructions typed until serialization: #96569
  240. - Serialize frozen collections by value only: #96686
  241. - feat(turbopack): isolate HMR listeners across microfrontends: #95997
  242. - Turbopack: deduplicate Pages Router app chunks: #97664
  243. - [react-sync] Check assignability before assigning the actor: #97638
  244. - fix: preserve trailing slash during export MPA fallback: #97613
  245. - Turbopack: Split the read and write codepath data structures for symlinks: #97395
  246. - Turbopack: Show last modified file when waiting for the filesystem to settle: #97648
  247. - docs: fix parallelRouteKey parameter name in useSelectedLayoutSegment(s): #97710
  248. - Turbopack: Avoid cloning paths in fs watcher if the path is already in a map: #97655
  249. - Remove generated error codes: #97687
  250. - [PPF] Instant validation for unstable_navigation(): #97309
  251. - Turbopack: trace graceful-fs calls: #97694
  252. - Migrate some async blocks to async closures: #97666
  253. - turbo-tasks: add scope_unbounded, a scoped execution primitive that allows more work to be discovered: #95974
  254. - test: make app-document-import-order more robust: #97682
  255. - Add a Turbopack error for missing root layouts: #97639
  256. - Improve Partial Prefetching adoption checks: #97637
  257. - test: stabilize poisoned proxy error overlay: #97609
  258. - docs: correct the upper stale bound for App Shell exclusion in cacheLife: #97653
  259. - docs: Adapters entry page lists its children pages twice: #97677
  260. - [PPF] unstable_prefetch(): #97622
  261. - [PPF] Scaffold unstable_prefetch(): #97618
  262. - docs: clarify beforeInteractive placement for root layouts: #97643
  263. - fix(turbopack): give eager `import.meta.glob` values the ESM namespace: #96559
  264. - introduce an options struct for constructing backend storage: #97284
  265. - [devtools] Fix indicator dragging on touch screens: #97723
  266. - Add next/cache-handlers types entrypoint: #97592
  267. - Remove unused return values from getPageStaticInfo: #97661
  268. - [turbopack] defer NFT module content hashes: #97773
  269. - test: deflake basePath external navigation: #97611
  270. - docs(adapters): document assetsHashes and routing.middlewareMatchers: #96536
  271. - Migrate remaining async blocks to async closures: #97701
  272. - Turn off the adapter route collapses by default: #97774
  273. - Serve a run of fallback shells from one route entry: #97738
  274. - [test] Capture the route table for apps with several param shapes: #97728
  275. - Stop emitting a separate route entry for a dynamic route's RSC form: #97726
  276. - Stop emitting a redundant route per prefetch segment: #97720
  277. - [test] Capture the dynamic routes a build passes to an adapter: #97719
  278. - turbo-tasks: compile conditional cell updates once, not per cell type: #97763
  279. - Turbopack: add unit test coverage for FileSystemPath::hash_file: #97743
  280. - Record fallback cache lifetime for blocking PPR routes: #97821
  281. - Document catchError for the Pages Router: #97748
  282. - clippy: allow needless late init where it makes sense: #96410
  283. - Turbopack: emit/collect: #96631
  284. - docs: note that response headers must be set before calling handle() in a custom server: #97693
  285. - Deduplicate the regress, wat/wasmparser and base64 dependencies: #97762
  286. - perf: split cold TurboMalloc accounting paths: #97767
  287. - turbo-tasks: execute scheduled tasks inline when they are read: #96808
  288. - Revert "Record fallback cache lifetime for blocking PPR routes (#97821)": #97835
  289. - Sweep stale Turbopack output from distDir on dev startup: #97591
  290. - Fix metadata prefetch cache key for search params: #97729
  291. - Turbopack: Improve file existence error handling in realpath_with_links and in module resolution: #97717
  292. - Write traces with buffered synchronous IO: #96874
  293. - fix(wasm): don't enable SWC's plugin host for wasm targets: #97859
  294. - fix(turbopack-node): make process_pool inert on wasm: #97858
  295. - fix(turbopack): make the SWC wasm-plugin backend native-only: #97857
  296. - fix(turbopack-trace-utils): skip the ctrl-c handler on wasm: #97856
  297. - refactor(turbopack-cli-utils): replace crossterm with owo-colors: #97855
  298. - fix(turbo-tasks-fs): create symlinks through the WASI API on wasi: #97854
  299. - fix(turbo-tasks): compile EventListener::wait on wasm: #97853
  300. - fix(turbo-rcstr): allow the napi feature on wasm targets: #97852
  301. - fix(next-napi-bindings): detect the target, not the host, in build.rs: #97576
  302. - Stop printing a stack frame for error message text: #97829
  303. - docs: clarify revalidateTag profile expire semantics: #97836
  304. - docs: param access on use-server: #97865
  305. - docs: fix typos and correctness issues in App Router docs: #97823
  306. - Add deploy release test skill: #97563
  307. - [test] Deflake the page config test for a string config value: #97848
  308. - test: stabilize read-only page recreation: #97674
  309. - Show the errors of an AggregateError behind a cause: #97830
  310. - Upgrade React from `eafeac09-20260819` to `bd6ea412-20260824`: #97812
  311. - fix: reuse a single drain listener when piping Node streams through gzip: #97698
  312. - test: preserve server cache after compile error: #97724
  313. - Fix Turbopack resolution through chained symlinks: #97825
  314. - Add evals for whether agents actually use Next.js: #97816
  315. - evals: judge behavior instead of matching source text: #97826
  316. - Bump @vercel/agent-eval to 2.2.1: #97885
  317. - feat(turbopack): resolve `/`-rooted imports from the project directory: #97799
  318. - [ci] Use short-lived access tokens for preview-build uploads instead of static token: #97256
  319. - Turbopack: correctly trace through TypeScript `__importStar`: #97697
  320. - [turbopack] simplify ecmascript effect queue: #97771
  321. - Update default Create Next App favicon: #97634
  322. - fix: don't drop client references when the concatenated module id is 0: #97936
  323. - Replace resumed render bailout error with ReactDOM.browser behind a flag: #96844
  324. - Replace useSearchParams bailout error with ReactDOM.browser behind a flag: #96843
  325. - Replace CSRBailout error with `ReactDOM.browser` behind a flag: #96826
  326. - fix(next/image): reject non-2xx internal image responses: #97957
  327. - [test] Pin Vercel CLI to Node 20.9 compatible version: #97960
  328. - Re-enable AVIF image optimization: #97931
  329. - Don't report a client-aborted RSC stream as a render error: #96715
  330. - [PPF] Only track runtime accesses when the promise is used: #97165
  331. - Fix Turbopack re-export cycle deadlock: #97933
  332. - Port React's @gate test directive to the e2e harness: #96228
  333. - Migrate from box_patterns to deref_patterns: #97924
  334. - Turbopack: expose list of non-inlined env vars: #95310
  335. - feat(turbo-tasks-fetch): stub HTTP on wasm targets: #97585
  336. - fix(turbo-rcstr): make TaggedValue usable on wasm: #97577
  337. - docs: explain origin matching for allowedOrigins and allowedDevOrigins: #97805
  338. - Turbopack: improve Pat::Assign modelling in analyzer: #97867
  339. - Upgrade rustc to nightly-2026-08-20: #97665
  340. - Upgrade React from `bd6ea412-20260824` to `f789f203-20260825`: #97887
  341. - [test] Fix flaky build CLI output capture: #97900
  342. - turbo-tasks-backend: parent_count reference counting: #95976
  343. - Upgrade Turbopack to hashbrown 0.15: #97808
  344. - ci: skip framework tests for agent evals and skills: #97998
  345. - Expand Turbopack dev cleanup: #97833
  346. - Add Cache Components option to create-next-app: #97695
  347. - Mark deploy release test skill as internal: #97961
  348. - Turbopack: shorten CSS module class names: #97944
  349. - Prune incomplete parallel route matchers: #97108
  350. - Upgrade React from `f789f203-20260825` to `29d9d318-20260826`: #97995
  351. - docs(skills): preserve prefetched UI during Partial Prefetching adoption: #97712
  352. - Omit undeclared children slots from app routes: #97184
  353. - Turbopack: widen the chunk ident hash from 7 to 13 base38 chars: #97945
  354. - Fix request-context retention in the default use cache handler: #97941
  355. - docs: improve discovery summaries: #97982
  356. - test: add test for local font with deployment id: #97987
  357. - Retain interception route host slots: #97242
  358. - test: disable flaky sync-io-blocks-root.test.ts: #97986
  359. - [test] Drain build output before start: #97947
  360. - Expose durableUseCacheEntries config in workStore: #97926
  361. - Pages Router: Deprecate React 18 support: #97689
  362. - Turbopack: call loadActionManifest for app-route: #97921
  363. - [test] Unpin Vercel CLI version: #97974
  364. - Turbopack: don't replace single-arg calls with argument in analyzer: #95277
  365. - Turbopack: allow compiling turbopack-node without a pool backend: #97943
  366. - Support immutable static assets with `output: 'export'`: #97711
  367. - Fix build error when aliasing `typescript` to `@typescript/typescript6`: #97942
  368. - Fix optimistic routing for encoded dynamic params: #97948
  369. - Fix intercepted route params after Proxy rewrites: #97953
  370. - [PPF] Fix navigation() in prospective runtime prerenders: #98000
  371. - Revert "test: re-enable sync IO root coverage": #98050
  372. - Turbopack: drop rust analyzer skip annotation: #98047
  373. - Turbopack: add next_config.use_react_experimental getter: #98032
  374. - More granular cache keys for use-cache entries: #95233
  375. - [ci] Remove dormant `code_freeze` workflow: #97756
  376. - test: re-enable sync IO root coverage: #97996
  377. - [ci] Remove the unused `wrong-issue-template` workflow and action: #97749
  378. - [image-optimizer] Refactor into lightweight transform module: #97988
  379. - [ci] Remove the stale-issue workflow: #97758
  380. - [ci] Use presigned URLs to upload preview builds: #97922
  381. - Turbopack: allow `get_definable_name` to return a list: #97984
  382. - docs(examples): document env var handling in the Docker examples: #97968
  383. - Turbopack: unify `member` and `in` handling: #97985
  384. - Update outdated snapshots: #98011
  385. - Guard filesystem reads against unresolved symlinks: #97902
  386. - Turbopack: enable export mangling by default in production builds: #97676
  387. - Turbopack: mangle exported names for smaller bundle sizes: #97672
  388. - [ci] Remove the popular workflow and its action: #97753
  389. - Store keys in key order in SST blocks that omit hashes: #97480
  390. - Honor non-interactive mode in upgrade codemod prompts: #98030
  391. - Transform .mjs files with Next.js codemods: #98029
  392. - evals: stop requiring the removed viewTransition flag in agent-043: #98116
  393. - errors: shorten "use cache" messages and unify them into one factory: #94300
  394. - test: add adoption skill evals: #97759
  395. - Upgrade React from `29d9d318-20260826` to `ff7445e6-20260831`: #98113
  396. - [ci] Simplify `upload-preview-tarballs` workflow: #98109
  397. - devlow: use commander for cli argument parsing: #93860
  398. - [PPF] Pass in original searchParams for private-cache pages: #98041
  399. - docs: document create-next-app Cache Components prompt and flag: #97798
  400. - lazy server hmr: #96566
  401. - Fix Turbopack HMR recovery after dropped connections: #97966
  402. - test: Improve test cache handler implementations: #98098
  403. - docs: Fix the documented contract for custom cache handlers: #98039
  404. - chore: remove unused code from image optimizer: #98060
  405. - docs: add layout stability guidance for videos and iframes: #98070
  406. - tests: Improve use-cache-cross-deployment tests: #98049
  407. - turbo-tasks-malloc: report memory from mimalloc: #97761
  408. - Remove Edge runtime handling in use-cache-wrapper: #98139
  409. - Skip discussions in the `issue_lock` workflow: #98146
  410. - [ci] Fix `issue_lock`: #97755
  411. - docs: document preloading with Cache Components: #97864
  412. - chore: Remove expired sharp release age exclusions: #98120
  413. - Reduce Turbopack cache size with per-family compression: #97714
  414. - [test] Skip hooks of suites skipped by a lazy `@force-gate`: #98169
  415. - Bump swc to v77: #97407
  416. - Upgrade React from `ff7445e6-20260831` to `21c89c9f-20260901`: #98147
  417. - turbo-tasks-backend: parent_count-driven garbage collection: #97282
  418. - Remove the worker thread for turbopack builds: #96862
  419. - turbo-tasks-malloc: address review feedback on #97761: #98153
  420. - test: remove stale deploy manifest exclusions: #98051
  421. - Enable hourly next-maintainer auto-close workflow: #98225
  422. - Return client errors for unrecognized Server Actions: #98123
  423. - Add Next Maintainer auto-close workflow: #98197
  424. - perf(turbopack): skip ignored files during server tracing: #97475
  425. - docs: note that experimental.taint taints process.env: #98145
  426. - test: preserve static params during Cache Components migration: #98209
  427. - Upgrade web-vitals to v6 and report soft navigations: #97232
  428. - Upgrade React from `21c89c9f-20260901` to `f4e439e1-20260902`: #98188
  429. - Turn on the adapter route collapses by default: #98218
  430. - fix: suppress missing package manager errors in next info: #97946
  431. - Turbopack: fix `source` field in CSS sourcemaps: #88225
  432. - fix: track dynamic accesses in final runtime prerenders: #98255
  433. - docs: add API reference pages for skipProxyUrlNormalize and skipTrailingSlashRedirect: #97967
  434. - fix: route info segment overrides not updating in dev overlay: #96968
  435. - test(turbopack): remove dead top-level task unmarks: #98246
  436. - Fix flaky successive HMR changes test: #97610
  437. - docs: Remove version label from Turbopack in Pages Router: #98316
  438. - Bump to swc v78: #98268
  439. - Create next.config.ts when generating apps with `pnpm new-test`: #98364
  440. - test(evals): accept LayoutProps in App Router migration: #98365
  441. - [test] Run deploy tests against local JavaScript changes by default: #98353
  442. - [test] Resolve `workspace:*` packages to the version under test: #98330
  443. - turbo-tasks: explicit GC root anchoring + cross-session orphan reclamation: #96857
  444. - [PPF] Fix missing runtime-follow up if hints are stale: #98278
  445. - Instant validation for caches excluded from prerenders: #98342
  446. - [PPF] Model caches with `stale < MIN_SHELL_STALE` as prefetch-only data: #98339
  447. - docs: document excluding content from a prefetch in the prefetching g…: #98175
  448. - docs: add unstable_navigation and unstable_prefetch API references: #98122
  449. - Fix turbopacks webpack loader setup to support options being optional: #98270
  450. - [ci] Align build-and-deploy triggers with build-and-test: #98331
  451. - test: stabilize server action HMR update: #98322
  452. - Add version for loaders api: #98377
  453. - turbo-tasks-backend: let a GC pass wind down when it is blocking an operation: #96676
  454. - docs: preserve Next.js development state: #98276
  455. - Adds .resolve to loaders api: #98361
  456. - Turbopack: fix require handling with alternative: #98258
  457. - docs: clarify ISR with Suspense params: #98210
  458. - [cd] Update `peerDependencies` in prereleases to accept the current prerelease: #98411
  459. - test: stabilize error recovery snapshot timing: #98414
  460. - example: Use a Redis cacheHandler w/o dependencies: #95346
  461. - Support durable use-cache entries with client components: #98140
  462. - Upgrade React from `f4e439e1-20260902` to `6c0e1047-20260908`: #98363
  463. - fix: preserve repeated --require/--import flags when forking workers: #96651
  464. - ci: check that Turbopack compiles for wasm: #97588
  465. - feat(next-napi-bindings): build Turbopack for wasm: #97586
  466. - Turbopack: fix output tracing include glob traversal: #98382
  467. - test: support deploy exclusions with force gates: #98149
  468. - Fix: Turbopack CSS HMR error when editing an unmounted merged CSS chunk: #94551
  469. - Dev server: More aggresively scold users for deleting .next when we detect it while dev is running: #98253
  470. - turbo-persistence: add TURBO_PERSISTENCE_MMAP=0 to disable mmap: #97873
  471. - Fix dev route discovery startup race: #97920
  472. - Re-enable @vercel/devlow-bench publishing: #98236
  473. - test: migrate caching deploy exclusions to force gates: #98154
  474. - Typecheck the Turbopack ECMAScript runtime in CI: #98422
  475. - Fix initial Turbopack HMR update handling: #98385
  476. - Skip bundler config validation in next/jest and under test: #98392
  477. - Remove `tsec`: #98423
  478. - Stabilize scope_unbounded panic test: #98416
  479. - test: restore deployment exclusion for shared Cache Components tests: #98464
  480. - Resolve metadata independently across parallel routes: #97345
  481. - docs: preserve route behavior during Cache Components adoption: #98275
  482. - Add a fast-path to 'get_relative_path_to' for a potential common case when 'from' is empty: #98440
  483. - docs: document React browser API: #97621
  484. - Enable React browser bailout by default: #98439
  485. - [evals] Cover focused Cache Components and Partial Prefetching cases: #97813
  486. - Deflake gc_interrupt_is_self_healing: #98445
  487. - Adds this.target for webpack loaders: #98436
  488. - test(evals): validate delegated error boundary components: #98387
  489. - test: stabilize deferred entries HMR assertions: #98418
  490. - Add in warning for workers around the fsevents bug: #98447
  491. - skill: add Partial Prefetching optimizer: #96471
  492. - bundle-analyzer: add table view to single-build analyzer: #93523
  493. - bundle-analyzer: add table view to compare mode: #93522
  494. - bundle-analyzer: add compare view with treemap diff: #93521
  495. - [testmode] Stop using deprecated `url.parse`: #98194
  496. - fix(next/image): don't share the requester's socket with the internal image response: #98168
  497. - Fix duplicate background revalidation for `'use cache'`: #98446
  498. - Turbopack: Deduplicate project options documentation: #98465
  499. - Report incompatible parallel route slots: #97430
  500. - Require canonical routes for interception routes: #97428
  501. - Error when app pages do not match any route: #97401
  502. - fix(turbopack): add `get_relative_request_to` for paths used as module requests: #98497
  503. - [ci] Cleanup orphaned `next-stats-action`: #98348
  504. - [scripts] Move scripts (and benchmarks) off of `node-fetch`: #98347
  505. - [test] Move fixtures off `node-fetch`: #98346
  506. - [test] Move the harness off `node-fetch`: #98195
  507. - fix(turbopack): resolve `../` and `/`-rooted `import.meta.glob` patterns: #96557
  508. - Durable use cache: optimize env var existence checks: #98504
  509. - Adds this.mode for webpack loaders: #98532
  510. - Upgrade React from `6c0e1047-20260908` to `019019be-20260911`: #98576
  511. - feat(next/image): Add experimental imgOptMozjpeg config: #98571
  512. - [turbopack] Lazily compile dynamic imports in development (client side): #97203
  513. - fix(devtools): handle pointercancel when dragging the indicator: #98506
  514. - [ci] Show full logs under GitHub Actions debug logging: #98501
  515. - fix(typegen): merge cacheLife types into next/cache instead of shadowing it: #98252
  516. - [test] Fix `proxy-request-with-middleware` deploy test: #98553
  517. - [ci] Remove the broken Test examples workflow and its test suite: #98517
  518. - Align fallback parameter staging with shell validation: #98512
  519. - Prevent synchronous IO from entering Cached Navigations: #98511
  520. - [ci] Fix scheduled Rspack test job: #98508
  521. - [ci] Remove Turbopack test manifest pipeline: #98507
  522. - test: stabilize OpenTelemetry collector lifecycle: #98427
  523. - Make TurbopackResult payloads disjoint: #98575
  524. - Durable use cache: fix runtime env var mutation: #98558
  525. - refactor(turbopack): drop the generic on `new_atom`, and stop it copying an owned string: #98520
  526. - Serialize turbo-tasks trybuild tests: #98415
  527. - Expose App Router runtime errors over HMR: #98438
  528. - test: avoid OpenTelemetry collector socket reuse: #98632
  529. - fix: Bump vendored @mswjs/interceptors from 0.42.0 to 0.42.5: #98607
  530. - Document codemod errors and intentional migration exceptions: #98565
  531. - Unify TODO markers for codemods and skip adoption-only codemods for upgrade: #98560
  532. - Optimize strict module factory chunks: #98421
  533. - Sort batched chunk items globally by path: #98433
  534. - test(turbopack): strongly read test operations: #98247
  535. - Add `next dev` wait for Turbopack shutdown: #98646
  536. - docs: document default turbopack.resolveExtensions: #98627
  537. - test: migrate package CSS side-effects coverage: #98635
  538. - Improve tree shaking through Next.js module wrappers: #98638
  539. - Trace export usage through client component proxies: #98621
  540. - fix(turbopack): trace cyclic modules to explicit entries: #98661
  541. - Use default pnpm package import method: #98703
  542. - Fix constant inlining in shorthand properties: #98662
  543. - test(turbopack): add strong read operation roots: #98248
  544. - Use pnpm for isolated test installs: #98425
  545. - [turbopack] Forward usage information across re-exports: #96282
  546. - [turbopack] Use options object for ESM references: #98680
  547. - test: enable verified runtime deploy tests: #98457
  548. - test: enable verified assets deploy tests: #98527
  549. - test: enable verified pages-router deploy tests: #98526
  550. - test: enable verified tooling deploy tests: #98525
  551. - test: enable verified app-router deploy tests: #98524
  552. - test: enable verified caching deploy tests: #98523
  553. - Fix unexpected query parameters in adapter deployments: #98584
  554. - Keep never-prerenderable params out of self-hosted shells: #98612
  555. - Fix addMissingDependency: #98588
  556. - docs: clarify metadata support in root not-found: #98670
  557. - Pages Router: do not return the `__appRouter` prefetch marker as route info on shallow navigation: #98187
  558. - Pages Router: key the client router filter prefetch marker by the `as` path: #98182
  559. - docs: add an intro paragraph to the glossary: #98654
  560. - Fix App Router locale path matching with Pages i18n: #98095
  561. - Upgrade React from `019019be-20260911` to `ff8f88fc-20260915`: #98693
  562. - Store code generation AST paths in a shared trie: #98581
  563. - Turbopack: Remove wasmer from lockfile by deleting dead feature option from our wasm crate: #98761
  564. - Prefer using join over try_join when you don't want a vec: #98547
  565. - Preserve committed app route response status during fallback: #98649
  566. - docs: scope React cache() guidance to the render pass: #98741
  567. - fix(next-custom-transforms): never place generated imports before directives: #98717
  568. - Pin tasks during construction: #98688
  569. - fix(use-cache): track root params read in "use cache" as vary params: #98674
  570. - [test] Fix Webpack deployment failures in PostCSS tests: #98710
  571. - Revert "Fix App Router locale path matching with Pages i18n": #98715
  572. - Nudge the agents for future defaults adoption: #98721
  573. - Add future defaults upgrade coverage for `next upgrade --ai`: #98643
  574. - Nudge the agents for latest version upgrade: #98640
  575. - Add "latest" upgrade coverage for `next upgrade --ai`: #98633
  576. - Nudge the agents for security vulnerable version upgrade: #98637
  577. - Add `next upgrade --ai` and security vulnerability coverage: #98562
  578. - agents: Add a `--comments-only` flag to `pr-status` script, trim down context bloat in AGENTS.md: #98781
  579. - Keep guards across restore owner handoff: #98700
  580. - [turbopack] Track webpack loader build dependency files: #98777
  581. - Replace lzzzz with lz4_flex: #98799
  582. - Bump to swc v79: #98809
  583. - [PPF] Fix unnecessary runtime prefetch with prefetch={true}: #98651
  584. - Keep metadata rendering stable across streaming modes: #97440
  585. - [test] Expand root-param navigation regression coverage: #98731
  586. - docs: rewrite the bots and crawlers section in the caching guide: #98782
  587. - Fix isStableBuild() treating commit preview tarballs as stable: #98811
  588. - perf(turbo-persistence): shard meta files by family: #97703
  589. - turbo-persistence: assorted read-path cleanups: #97797
  590. - turbo-persistence: give key block searches a dense region of their own: #97705
  591. - Introduce config options for Turbopack GC: #98378
  592. - Persist resurrected tasks as new tasks: #98729
  593. - Rspack: Remove bincode dependency from rspack by way of turbo-unix-path: #98855
  594. - Pin tasks across restore waiter handoff: #98728
  595. - test: honor skipStart for Vercel deployments: #98776
  596. - Use internal prefix for Turbopack shutdown env: #98747
  597. - test: retry waiting for ISR fallback in prefetch-static-shell: #98884
  598. - Fix generated Turbopack GC option docs: #98888
  599. - Add agent feedback behavior evals: #98887
  600. - Add experimental agent feedback workflow: #98582
  601. - Clean up unnecessary output asset creation: #98834
  602. - Properly disable laziness on next/dynamic: #98828
  603. - Set `experimental.agenticAutoUpgrade` after successful upgrade: #98871
  604. - example(cache-handler-redis): fix connection leak, hangs on a down Redis, and cross-page tag invalidation: #98716
  605. - Do not check Node version while agentic upgrade: #98852
  606. - test: run cargo unit tests with miri as well: #97535
  607. - test: unflake instant-validation: #98854
  608. - Preserve closed-parameter restrictions in client route prediction: #98889
  609. - [test] Fix deployment tests that relied on implicit startup: #98935
  610. - Turbopack: Add support for specifying additional roots: #98003
  611. - Turbopack: Add symlinks and additional roots to NFT metadata: #98469
  612. - Enable AI upgrade for canary: #99001
  613. - fix(turbo-persistence): preserve write errors on writer drop: #98840
  614. - Skip slow valued tombstone test under Miri: #98992
  615. - Improve the agent feedback review flow: #98937
  616. - Run AI upgrades with the latest official canary: #98870
  617. - test: move whole development-only suites out of e2e: #98842
  618. - Fix `instant-false` codemod to run on route segment filenames: #98880
  619. - test: migrate legacy deployment exclusion callers: #98473
  620. - Split revalidation errors by execution context: #98993
  621. - Enable strict route matching by default: #97397
  622. - Surface agent feedback gate connection failures: #98991
  623. - Generalize the build-time generator work-unit store name: #98891
  624. - Use structural React keys during server rendering: #98944
  625. - Upgrade React from `ff8f88fc-20260915` to `59aff3e1-20260918`: #98897
  626. - Remove unused `hasWarnings` and `warnings`: #96956
  627. - [PPF] Scaffold `unstable_ensureStatic` segment config: #98190
  628. - [agent-feedback] Respect CI and telemetry opt-out: #99062
  629. - Fix prefetch loop when a predicted route redirects: #98998
  630. - Fix dev overlay header layout on small screens: #99049
  631. - [PPF] Separate tracking of runtime data accesses for shells and prefetches: #98129
  632. - Harden `next/og` SVG serialization: #99061
  633. - test: clarify dev-only intent of duplicate Sass warning test: #98917
  634. - test: enable upward distDir deployment coverage: #98886
  635. - test: remove redundant deployment skips from mode-guarded suites: #98908
  636. - Turbopack: trace static project files referenced by packages: #98712
  637. - Durable use cache: fix next/image pulling in NEXT_DEPLOYMENT_ID: #98739
  638. - Unify hydration error tree details: #99008
  639. - Turbopack: forward module graph, entrypoint write, and emit spans to the JS trace: #98408
  640. - Fix startTime and shutdown delivery of forwarded Turbopack trace spans: #98426
  641. - Turbopack: loader change invalidation: #95732
  642. - perf: optimize CSS graph cycle removal: #98860
  643. - Use AGENTS.md for managed agent instructions: #99043
  644. - Turbopack: analyze mode tracing imports only: #98825
  645. - Turbopack: compact re-export registration: #98617
  646. - test: Add test for ESM and CJS exports of `next/*` APIs: #98882
  647. - Keep cached root parameters out of generic fallback shells: #98950
  648. - Fix missing content in Cached Navigations: #98767
  649. - [turbopack] Track members across namespace re-exports: #96396
  650. - [PPF] Implement `unstable_ensureStatic = "shell" | "prefetch"`: #98191
  651. - [PPF] Validate `unstable_ensureStatic` nesting: #98357
  652. - Replace lerna task-runner usage with pnpm: #99040
  653. - [cd] Fix release branch gate and drop dead lerna publish config: #99039
  654. - Turbopack: fix "ModuleId not found for ident" regression: #99090
  655. - Fix private-cache segment reuse across root params: #98810
  656. - Turbopack: fix `Unknown module type` error for imports in webpack loaders: #99088
  657. - Nudge future defaults upgrades for manual `next dev|build`: #98874
  658. - Nudge latest version upgrades for manual `next dev|build`: #98873
  659. - Nudge security upgrades for manual `next dev|build`: #98872
  660. - Upgrade React from `59aff3e1-20260918` to `8b0da1c6-20260922`: #99059
  661. - refactor(turbo-rcstr): drop unsupported 16-byte pointer width: #98355
  662. - test(turbo-tasks-backend): run the db_versioning tests on wasm: #97901
  663. - fix(turbo-tasks): let parking_lot block on wasm instead of panicking: #97860
  664. - test(turbo-tasks): run the wasm tests with a Node wasi host: #97789
  665. - [cd] Skip the release job when no new commits warrant a release: #98664
  666. - [test] Add fallback param deployment regression coverage: #98883
  667. - Turbopack: mangle exports behind an escaping namespace via the facade: #97770
  668. - test(dev): add dedicated compiler polling coverage: #97673
  669. - build(turbopack): upgrade notify to 9.0.0-rc.5: #98737
  670. - test(turbopack): add polling to filesystem watcher fuzzer: #98863
  671. - test(turbopack): fix filesystem watcher symlink expectations: #98983
  672. - test(turbopack): fix filesystem watcher read-write tracking: #98982
  673. - Don't re-request the App Shell to upgrade an ISR fallback: #94808
  674. - Fix unstable ensure static task annotation: #99075
  675. - test: update React 18 hydration error snapshots: #99073
  676. - Remove redundant unsafe_ignore annotations: #98961
  677. - Remove TraceRawVcs: #98953
  678. - test(turbopack): remove remaining test unmarks: #98376
  679. - Add experimental custom webpack support: #98862
  680. - Default agentic upgrades to a separate worktree: #99111
  681. - Improve agent upgrade failure message for missing app: #99117
  682. - Preserve error boundaries in on-demand partial prerenders: #99051
  683. - Preserve error boundaries during on-demand prerendering: #99037
  684. - docs: clarify Turbopack ModulePart export examples: #99104
  685. - Add some more verification and safety rules around custom `distDir`: #98997
  686. - Preserve closed-route admission across cache misses: #98964
  687. - Move suspension into operation guard: #99053
  688. - [agent-feedback] Shorten managed agent instructions: #99065
  689. - docs: clarify Cache Components build output: #98274
  690. - Update Rust namespace re-export snapshots: #99106
  691. - [ci] Skip preview tarball upload when the artifact is missing: #98713
  692. - [cd] Retry preview tarball uploads with backoff and richer diagnostics: #99060
  693. - Promote next analyze command: #99074
  694. - [ai-upgrade] Remind the agent to report the nudge: #99127
  695. - Tune Node server chunking for require overhead: #99120
  696. - Turbopack: fix another "ModuleId not found for ident" regression: #99102
  697. - test: enable deploy coverage for TypeScript config errors: #98849
  698. - test: enable deploy coverage for routing build errors: #98848
  699. - test: enable deploy coverage for cache build errors: #98847
  700. - Turbopack: chunk each layout segment once in production: #99100
  701. - bundle-analyzer: exclude traces from output types: #98536
  702. - turbo-tasks-gc: Defer most aggregation graph management until after GC has settled: #98591
  703. - Skip ESLint migration when scripts do not use next lint: #99103
  704. - Turbopack: pass RcStr to AnalyzeIssue: #99166
  705. - Use graph-backed codegen for client proxies and WASM loaders: #99115
  706. - [PPF] Instant validation for `ensureStatic = "shell" | "prefetch"`: #98249
  707. - Fix flaky lazy-dynamic-imports.test: #99057
  708. - [test] Skip flaky deploy tests: #99156
  709. - [cd] Tolerate 409 when uploading preview tarballs: #99091
  710. - [test] Fix new deploy suites: #99162
  711. - Provide only the relevant context for agent upgrade: #99189
  712. - Turbopack: Add support for additionalRoots to deployment adapters: #99015
  713. - Use Sonnet 5 with 1M context for AI upgrade handoff: #99183
  714. - docs: font per-call preload scope and the declarations font-family override: #99167
  715. - Revert "Add experimental custom webpack support": #99227
  716. - test: stabilize lazy dynamic import error overlay: #98730
  717. - turbo-tasks-gc: tear down reverse edges when collecting a task: #99145
  718. - Sequence CI for branch-based PR stacks: #99086
  719. - Prefetch scheduler mirrors the navigation's tree walk: #98975
  720. - Separate route structure comparison from param comparison: #98974
  721. - Store the head as its own CacheNode: #98973
  722. - Record which params a CacheNode's data depends on: #98972
  723. - Use RouteTree<T> for CacheNode tree: #98971
  724. - Remove the page/layout distinction from RouteTree: #98970
  725. - Fix root predicates: #98942
  726. - [turbopack] only remove followers if they are actually removed as children: #98843
  727. - turbo-tasks-backend: simplify the collectibility predicate and collect transient tasks: #98615
  728. - turbo-tasks-gc: Invalidating a deleted task should be a no-op: #98614
  729. - Avoid decoding prerender matcher parameters twice: #99121
  730. - Prepare `'use cache'` for static root-param tracking: #99239
  731. - [test] Adjust the prerender-encoding open fallback gate for non-adapter deploys: #99240
  732. - Turbopack: avoid project-wide traces from package directories: #99238
  733. - Hoist resolved pathname into app page route match: #99259
  734. - docs: papercuts in image API reference: #99256
  735. - test: run the TypeScript version warning suites in deploy: #99195
  736. - test: drop skipDeployment where another gate already excludes deploy: #99194
  737. - bundle-analyzer: suspend while loading analyzer data: #98535
  738. - Fix Server Actions hanging after navigation to PPR pages: #99252
  739. - Fix blurry bundle analyzer treemap on low-DPI displays: #99197
  740. - Rename bundle analyzer snapshot naming option: #99251
  741. - Reduce stacked PR gate polling and use ts-jest: #99215
  742. - Name the internal trace server process: #99257
  743. - test: enable deploy coverage for asset and compiler errors: #98850
  744. - test: consolidate duplicate mode branches in build error tests: #99135
  745. - test: snapshot the proxy-runtime build error output: #99136
  746. - Avoid obsolete pnpm overrides in pack-next: #99199
  747. - bundle-analyzer: move comparison state into URL: #98530
  748. - simplify `Transition` by removing dead members: #94467
  749. - fix: respect metadata streaming policy in Edge SSR: #99128
  750. - Avoid facade splits solely for export mangling: #99285
  751. - test: forward __NEXT_PARTIAL_PREFETCHING to test-deploy: #99275
  752. - Turbopack: Allow webpack loaders to cross filesystem roots when reading dependencies: #99202
  753. - Explain prerelease security upgrade limits: #99230
  754. - Support latest agentic upgrades on prerelease channels: #99223
  755. - Allow agentic upgrades without Git: #99217
  756. - Show security upgrade insights in DevTools: #99002
  757. - Use focused npm advisories and nudge only for ready upgrades: #99222
  758. - [test] Stabilize middleware revalidation test: #99378
  759. - test: scope loader build dependency update to Turbopack: #99380
  760. - Remove CLAUDE.md symlinks in favor of AGENTS.md: #98910
  761. - Align ExecuteContext task accessor names: #99258
  762. - [test] Stabilize responsive dev overlay header layout test: #99376
  763. - Turbopack: skip trimmed side-effect imports in SideEffectsModule: #95781
  764. - Turbopack: preserve import `with` clauses when direct-binding: #95529
  765. - Turbopack: fix split_module correctness for app-router: #95522
  766. - Turbopack: fix empty tree-shake chunks desyncing part ids (#93424): #95516
  767. - Fix custom cache handlers missing on initial requests: #99372
  768. - Allow Draft Mode on unlisted closed routes in adapter deployments: #99370
  769. - Fix bundle analyzer source table delta sorting: #99369
  770. - test: fix stale snapshots after `unstable_{prefetch,navigation}` rename: #99371
  771. - Virtualize bundle analyzer source table: #98539
  772. - [PPF] Remove leftover debug log in router: #99365
  773. - Remove unstable_ prefix from navigation() and prefetch(): #99241
  774. - Lazy dynamic imports for ssr: #98836
  775. - Refine the Security Insight upgrade prompt: #99354
  776. - [PPF] `ensureStatic = "navigation"`: #99171
  777. - docs: use prefetch={true} for links to ISR pages with Cache Components: #99261
  778. - Add agent feedback to create-next-app defaults: #99119
  779. - Make next-dev-loop browser headless by default: #98318
  780. - [test] Extend timeout for tests barely below it: #99305
  781. - docs: typo fixes: #99350
  782. - [ai-upgrade] ESC to move back during prompt: #99319
  783. - [ai-upgrade] Ask user to choose permission: #99291
  784. - [ai-upgrade] Ask user to choose model and effort: #99235
  785. - [ai-upgrade] Ask user whether to start upgrade in worktree: #99232
  786. - [create-next-app] Enable Cache Components by default in create-next-app: #99436
  787. - Include async module evaluation in client loading metrics: #99427
  788. - turbo-tasks-backend: fix leaf distance tracing compilation: #99443
  789. - Enable proxy export tests in deploy mode: #99400
  790. - docs: record API stabilization across Next.js 16 releases: #99420
  791. - test: migrate and explain custom server deploy exclusions: #98994
  792. - test: migrate and explain root-inference deploy exclusions: #99012
  793. - Enable build diagnostic suites in deploy mode: #99402
  794. - test(turbopack): remove filesystem fuzzer unit tests: #99089
  795. - [turbopack] Support webpack loader build dependency requests: #99071
  796. - [turbopack] Track webpack loader build dependency directories: #98838
  797. - [ci] Wire preview builds variables consistently: #99323
  798. - [ci] Enable PR comment in any repo: #99315
  799. - Fix bundle analyzer route selector: #98702
  800. - bundle-analyzer: use Rust React compiler: #98695
  801. - Link bundle analyzer empty states to source mode: #98542
  802. - Consolidate HTML render completion cleanup: #99426
  803. - Scope client component loading metrics to HTML renders: #99322
  804. - fix: preserve HTTP status codes during prerendering: #99078
  805. - test: enable deploy coverage for five verified suites: #99193
  806. - Document agent feedback field limits: #99415
  807. - test: migrate tooling deploy exclusions to force gates: #98156
  808. - Turbopack: Don't force non-recursive watcher for additional roots: #99396
  809. - turbo-persistence: intermediate merges take the newest files of similar size: #99433
  810. - turbo-persistence: space-amplification driven compaction with adaptive hash shards: #99268
  811. - test: enable basePath redirect deployment coverage: #99401
  812. - fix(incremental-cache): keep an ISR entry's cache lifetime across instances and restarts: #99289
  813. - Avoid mutating image qualities during validation: #99476
  814. - Remove the Cache Components deployment-test alias: #99446
  815. - Finalize the App Router dev indicator on output completion: #99384
  816. - [test] Cover external `next/image` in adapter deployments: #99466
  817. - Prepare image options without mutating configuration: #99394
  818. - [PPF] Use RDC in runtime prerenders: #98025
  819. - [PPF] Use RDC in cachedNavigations codepaths: #98005
  820. - test: add PPF coverage to use-cache and RDC tests: #99417
  821. - Restore static metadata prerendering for dynamic routes: #99463
  822. - Exclude metadata files from route handler type validation: #99377
  823. - Remove `true` from `agentUpgrade` option: #99461
  824. - fix: revalidateTag not reaching custom cache handlers when profiles differ : #99359
  825. - Enable agent upgrade reminders by default: #99311
  826. - Enable deploy tests for reusable fixture variants: #99404
  827. - test: enable compatible body-size cases in deploy: #98911
  828. - test: retain deploy exclusions for local process control: #99392
  829. - Enable nullish config tests in deploy mode: #99397
  830. - Always use generateBuildId if set explicitly: #99147
  831. - Set tracer library version: #98262
  832. - fix: propagate repeated tag revalidation from after(): #99499
  833. - Stabilize `ensureStatic`: #99513
  834. - Turbopack: Enable experimental.turbopackSharedRuntime by default: #99504
  835. - Measure AI upgrade nudges, handoffs, and completion: #99465
  836. - turbo-persistence: 32 bit fingerprints for the used keys AMQFs: #99333
  837. - Remove suspend during operations: #99383
  838. - test: migrate runtime deploy exclusions to force gates: #98159
  839. - test: migrate asset deploy exclusions to force gates: #98158
  840. - test: migrate Pages Router deploy exclusions to force gates: #98157
  841. - fix: stale usages of unstable_ensureStatic: #99540
  842. - Add unstable parameter matching APIs: #97393
  843. - docs: point next package security disclosure to HackerOne: #99459
  844. - docs: add ensureStatic reference and validation guidance: #99355
  845. - Enable Turbopack export name mangling by default for builds: #99362
  846. - Allow skipping React and ESLint upgrades: #99468
  847. - Prefer the declared package manager during upgrades: #99471
  848. - Use Next.js conventions in bundle analyzer UI: #98780
  849. - Pass App Page HMR state through a dev render context: #99487
  850. - Remove request forwarding from App Router error reporting: #99488
  851. - docs: self hosting immutable static assets: #97008
  852. - test: enable deployment fixtures with Corepack and portable tarballs: #99192
  853. - Resolve React dependency warnings from the target app: #99536
  854. - Move upgrade workflows out of public docs: #99546
  855. - Use Agent terminology throughout upgrades: #99545
  856. - Turbopack: Commit updated generated-native file: #99561
  857. - test: enable Relay multi-project deployment coverage: #99403
  858. - test: migrate independent App Router deploy exclusions to force gates: #99431
  859. - test: migrate mode-specific deploy exclusions to force gates: #98160
  860. - Optimize esm exports by shifting the protocol burden to getters: #98932
  861. - fix: fix pnpm builds in Docker examples: #97352
  862. - Assert transient task references are not serialized: #99300
  863. - Reorganize bundle analyzer toolbar: #98920
  864. - Show async module scope in bundle analyzer: #98918
  865. - Show bundle changes in compare treemap: #98837
  866. - improve disk read semantics around MustExist and AllowMissing: #99249
  867. - Allow opt-in facade-backed export mangling: #99309
  868. - Add bundle analyzer route summary: #98787
  869. - [turbo-tasks-backend] Correctly maintain outdated_collectibles to prevent unnecessary stale executions: #99386
  870. - Upgrade React from `8b0da1c6-20260922` to `278794d7-20261002`: #99600
  871. - Warn when Partial Prefetching is not configured: #99452
  872. - Store the Turbopack module cache in a Map: #98947
  873. - Improve agent feedback reporting reliability: #99591
  874. - Enable empty generateStaticParams deploy diagnostics: #99406
  875. - test: enable Nx deployment coverage: #99407
  876. - test: enable deployment coverage for monorepo fixtures: #99395
  877. - test: capture deployment experimental flags in config: #99534
  878. - test: extract a shared helper for deployment feature flags: #99533
  879. - Move App Page header parsing to handler entrypoints: #99506
  880. - docs: clarify ensureStatic levels from dogfooding: #99590
  881. - Gate param-matching deploy tests on the adapter: #99582
  882. - docs: update the MCP guide for next-devtools-mcp 0.4: #99583
  883. - Document agent upgrades across Next.js: #99293
  884. - [test] Fix the legacy image preload order assertion for React 18: #99572
  885. - docs: Remove task decomposition and validation boilerplate from AGENTS.md: #99558
  886. - Turbopack: Use a FrozenMap for DiskFileSystemMap: #99569
  887. - [test] Expose first-run e2e test failures in CI: #99528
  888. - Turbopack: `resolveFileUrl`/`placeholderFileUrl` is always called with a module path: #99560
  889. - Turbopack: Remove implicit mismatched root fallthrough for AfterResolvePluginCondition, accept None as a root: #99556
  890. - Turbopack: Allow ResolveMap entries to match against all possible roots: #99555
  891. - Turbopack: Support import.meta.url in additional roots: #99511
  892. - Followup from #99249 remove some redundant tests and enable missing assertions all the time: #99605
  893. - Simplify turbo-tasks-backend guards and execution contexts: #99599
  894. - Add allocation and memory data to the trace-server MCP protocol: #98546
  895. - turbo-tasks-backend: check access in track_modification and only track Data on serialization invalidation: #99581
  896. - Fix CI break caused by #98932: #99621
  897. - Fix: Unnecessary Suspense fallback triggered by URL update: #99612
  898. - Don't suspend client params on shallow URL updates: #99611
  899. - Add React Compiler memoization preservation option: #98589
  900. - Unify bundle analyzer delta colors: #99607
  901. - Turbopack: Cache canonicalized paths without turbo-tasks, try to find the longest cached prefix first: #99270
  902. - Record parameter matching usage in build metadata: #99594
  903. - Bundle Analyzer Agent Skill: Stream versioned analyzer graph as JSON Lines: #99387
  904. - Revert "Optimize esm exports by shifting the protocol burden to getters (#98932)": #99704
  905. - [PPF] Log Sync IO errors in runtime prerenders: #99688
  906. - docs: clarify use client directive as a file level directive: #99703
  907. - Stabilize `forbidden()` and `unauthorized()`: #99689
  908. - turbopack-ecmascript-runtime: type-check every runtime file: #99670
  909. - test: unflake use-cache-search-params: #99691
  910. - Avoid mutating config for default export paths: #99496
  911. - Keep compile-mode metadata outside configuration: #99491
  912. - Keep dynamic asset prefixes outside configuration: #99490
  913. - eslint-config-next: support ESLint 10: #99628
  914. - Add Instant Insights for prefetch() and navigation(): #97801
  915. - rename `RenderStage.Runtime` to `PrefetchRuntime`: #99679
  916. - Collect root param dependencies for `'use cache'` at build time: #99274
  917. - Add client fixes for fully static route errors: #99659
  918. - docs: clarify hover prefetching with Partial Prefetching: #99665
  919. - Durable use cache entries: sort env var list: #99657
  920. - next-swc: rebuild native when embedded js/src files change: #99669
  921. - Improve static route error guidance: #99724
  922. - docs: add Turbopack experimental config references: #99723
  923. - Show choices for agent upgrade prompt: #99727
  924. - docs: add Keeping pages static guide and align the navigation stage docs: #99493
  925. - Turbopack: Check the invalidator map before adding a path to a batch: #99711
  926. - docs: add guide for optimizing the static shell: #97737
  927. - Keep dev and build running during upgrade prompts: #99702
  928. - docs: use auth interruption APIs in examples: #99698
  929. - docs: recommend auth interruption APIs in error handling: #99696
  930. - [test] Update snapshots: #99713
  931. - Bundle Analyzer Agent Skill: Trace conditional async and worker chunk loading: #99174
  932. - Bundle Analyzer Agent Skill: Show route chunk groups: #99170
  933. - Bundle Analyzer Agent Skill: Show modules in generated JS/CSS files: #99173
  934. - Bundle Analyzer Agent Skill: Expose more route details in analyze data: #99172
  935. - turbo-tasks-backend: stop dirtying dependents of GC-collected tasks: #99647
  936. - turbo-tasks-backend: treat reads and connects of collected tasks as errors: #99646
  937. - turbo-tasks-backend: stop pinning tasks during restores and always discard missing tasks: #99645
  938. - Bundle Analyzer Agent Skill: Add analyzer skill: #99169
  939. - Document next analyze export in the package bundling guide: #99735
  940. - Revert stabilization of `forbidden()` and `unauthorized()`: #99734
  941. - Preserve configured output directories during static export: #99507
  942. - Rename skill to next-bundle-optimizer and document its usage: #99731
  943. - [turbo-tasks-backend] Clean up task state before publishing execution completion: #99729
  945. ### Credits
  947. 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!

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