Core Changes

• Create cache directory before persisting Chrome DevTools workspace UUID: #100802
• Upgrade React from ab0d927f-20261020 to dc9aed36-20261027: #100791
• [testmode] Fix compressed HTTP responses with test proxy: #100805
• chore(deps): bump sharp@0.35.5: #99714
• Turbopack: Auto-detect pnpm GVS and configure an additional root for it: #99758
• Persist storage cache in Docker environments: #100790
• Persist fully static PPR payloads in filesystem cache: #100759
• Stamp FileSystemCache revalidations and entries with the monotonic clock: #100357

Example Changes

• examples: add eve example: #100758

Misc Changes

• turbo-bitset: make block storage pluggable: #100779
• Use fixed encoding for our 'id' types: #100764
• [RFC] Remove worktree guidance from AGENTS.md: #100659
• eval: resolve and classify the audit suite: #100748
• turbo-tasks-backend: resolve task priority when creating child contexts: #100767
• Add server-only leak pass to next-bundle-optimizer: #100330
• Turbopack: Fix webpack loaders if source file exists in an additional root: #100744
• [CI] fix incorrect VERCEL_TEST_PROJECT in non-cache-components deploy…: #100788
• ci: run changed deploy tests with both builders: #100591
• Turbopack: compute client reference manifest parts once per reference, not per page: #100443
• turbo-bitset: remove FixedBitSet and RoaringBitmap comparisons: #100724
• turbopack: use Bitset for persisted chunk group sets: #100630
• turbopack: use Bitset in compute_merged_modules: #100568
• turbopack: use Bitset in collect_graph: #100567
• turbopack: use Bitset in compute_chunk_group_info: #100643
• turbo-bitset: add Bitset, a fast bitset over a bounded bit range: #100566
• turbopack: speed up and share reverse postorder ranks: #100452
• test: remove some more dev/prod gating: #100717
• ci: Only run upload-adapter-test-results on release: #100595
• Optimize persistence CPU: #100737
• eval: split Next.js evals by purpose: #100742

Credits

Huge thanks to @sokra, @chadhietala, @lukesandberg, @kassens, @styfle, @aurorascharff, @wbinnssmith, @bgw, @namtran1812, @skrabe, and @mischnic for helping!

Core Changes

• Fix draft mode rendering with Cache Components: #100728
• Render complete HTML documents after MPA Server Actions: #100740
• Turbopack: add minServerChunkSize and maxMergeServerChunkSize options: #100712
• test: read isNextDev/isNextDeploy/isNextStart from e2e-utils: #100419
• perf(build): avoid O(pages²) original app path scan in static check: #100615
• [PPF] Fix hanging HTML response after a 'use cache' error: #100673
• export: only send each static generation batch its own resume data cache seeds: #100048

Misc Changes

• docs: note that non-function exports of a use cache file are not available to Client Components: #100594
• Mark docs diagrams skill as internal: #100743
• [test] Isolate deploy e2e revalidation scope per suite: #100718
• test: migrate more conditions to gates: #100422
• Support fs.stat in Turbopack webpack loaders: #100272
• test: document deploy exclusions for suites that need a local server: #100483
• Turbopack: ensure tests are dropping turbo tasks correctly: #99601
• turbopack: skip redundant work in merged modules reconciliation: #100238
• turbopack: merge chunk group lists in parallel in compute_merged_modules: #100237
• bench: add warm cached build benchmark to nested-deps-app-router-many-pages: #100570
• turbo-tasks: update reader leaf distance inline when adding output dependency: #99764

Credits

Huge thanks to @icyJoseph, @unstubbable, @aurorascharff, @eps1lon, @mischnic, @jimmyhmiller, @sokra, @jamiboym, @arnaud-coral, and @lukesandberg for helping!

Core Changes

• Build the inline Flight script from React's strings instead of re-encoding them: #100142
• Fix dist dir lockfile on filesystems with no or limited lockfile implementations (e.g. NFS): #100684

Misc Changes

• perf(turbopack): look up chunk group indices through a keyed cell: #99050
• Turbopack: track availability by chunk group: #98685
• refactor(turbopack): chunk chunk groups by key: #99750
• Turbopack: consume graph-derived chunk groups: #98734
• turbo-tasks-backend: stripe SnapshotCoordinator's operation count and poll for the drain: #100280
• turbo-tasks-backend: parallelize decoding of large batch lookups: #100453
• turbo-persistence: don't shrink the shard count before the first bottom merge: #100424

Credits

Huge thanks to @sokra, @lukesandberg, @gaearon, and @bgw for helping!

Core Changes

• Turbopack: bump trace format header to TRACEv1: #99781
• Pass staged fallback params directly to adapter renders: #100456
• Fix navigation from global-not-found to app routes: #100592
• End the cache-signal read when encryptActionBoundArgs hits the RDC: #100622
• Ignore flaky turbo-tasks-fs watcher tests in CI: #100627

Misc Changes

• test: enable build-error suites in deploy mode: #100482
• test: enable deploy-excluded suites verified against deployments: #100484
• Turbopack: fix trace crates after concurrent trace format changes: #100656
• [cd] Document that Turbopack team can also approve releases: #100650
• Turbopack: delta-encode trace timestamps: #99809
• docs: add turbo_tasks development guidance for agents: #100581
• Fix pnpm new-test unit type generating no test file: #100641
• [test] Reproduce two cache-sharing bugs: #100510
• [test] Cover cache sharing after handler failures: #100519

Credits

Huge thanks to @jamiboym, @sokra, @eps1lon, @mischnic, @unstubbable, @kassens, @huozhi, and @digasic for helping!

Misc Changes

• Revert "More parity for webpack loader build dependencies (#99549)": #100634
• Cache bundle analysis per output file: #100475

Credits

Huge thanks to @mischnic and @wbinnssmith for helping!

Core Changes

• [lts-active] Fix extensionless Google font URLs in both bundlers (#100277)
• [lts-active] Don't load the app-page runtime in proxy.ts (#100423)
• [lts-active] Revert "Turbopack: loader change invalidation (#95732)" (#100438)
• [lts-active][cd] Gate release bot credentials behind GitHub environments (#100123)
• [lts-active] test: Pin react-virtualized (#100545)
• [lts-active][cd] Move release un-draft to a follow-up job in bot-autonomous (#100572)
• [lts-active] Keep OpenTelemetry request traces together (#100349, #100294, #100324, #100350, #100552, #100583) (#100542)
• [lts-active] Avoid loading standalone React in server bootstrap (#100610)

Credits

Huge thanks to @mischnic, @lukesandberg, @acdlite, @eps1lon, and @sokra for helping!

Core Changes

• Cap bot user-agent matching at 1KB: #100604
• Pass lazy response lifecycle capabilities into App rendering: #100395
• Upgrade testmode interceptors to 0.45.9: #100585
• Defer React loading until fetch dedupe construction: #100401
• Avoid loading standalone React by separating render validation: #100467

Misc Changes

• fix(turbopack): evaluate pure constructor callees: #100588
• Add webpack utils: #99826
• Stop requiring build-all when bootstrapping a fresh clone or worktree: #100600
• Fix webpack build dependency cell creation order: #100597
• More parity for webpack loader build dependencies: #99549
• Extend lazy server imports to route handlers and Pages: #99541
• test: enable log-file and worker-react-refresh in deploy mode: #100480
• ci: only declare a Vercel deploy target for webpack runs without a custom script: #100479
• Turbopack: Honor PURE annotations for callback arguments: #100577
• test: add non-adapter deploy snapshots to otel-middleware-trace: #100583
• Update Rspack development test manifest: #100557
• Update Rspack production test manifest: #100558
• ci: Fix ast-grep CI step: #100569

Credits

Huge thanks to @mischnic, @jimmyhmiller, @eps1lon, @kassens, @jamiboym, and @sokra for helping!

Core Changes

• Upgrade React from a6792708-20261019 to ab0d927f-20261020: #100527
• Preserve deferred middleware instrumentation spans when the adapter throws: #100552
• Fix cache revalidation queued during streaming: #100448
• Remove unnecessary as any casts: #100418
• Update font data: #100490
• Turbopack: preserve chunk load promise identity: #100421
• Emit instrumentation lifecycle spans in the request that registered it: #100350
• docs: note that instrumentation-time spans don't join request traces: #100324
• Keep middleware and render in one OpenTelemetry trace as siblings: #100294
• Start the request span before route module preparation: #100349
• Fix prerender manifest update race in dev: #100521
• Report process memory footprint (RSS) in TurboMalloc and trace samples: #99527
• Preserve cached values for the final runtime prerender: #100447
• Calling server actions in GSP fails __next_require__ is not a function: #99912
• fix: persist cacheControl for Pages Router ISR entries in FileSystemC…: #100495

Misc Changes

• [cd] Move release un-draft to a follow-up job: #100571
• Fix analyzer cell creation order: #100562
• [ci] Run flakiness detection under concurrent load: #100525
• [test] Avoid port collisions in concurrent OpenTelemetry tests: #100538
• [test] Avoid port collisions in concurrent keep-alive tests: #100537
• turbopack: use reverse postorder priority in compute_binding_usage_info: #100440
• turbo-tasks: unemit taken collectibles in a single backend operation: #100437
• Bump turbo to 2.11.10: #100549
• Turbopack: lazily compile lazy import.meta.glob matches: #100523
• turbo-tasks: batch invalidation via Invalidator::invalidate_all: #100485
• turbo-tasks: make scope_unbounded worker churn test deterministic: #100515
• Turbopack: test import.meta.glob code splitting with an execution test: #100532
• Turbopack: fix chunking for lazy import.meta.glob matches: #100522
• [test] Stabilize the cache revalidation navigation test: #100514
• Bump to swc v82.2.0: #100508
• turbo-tasks-backend: skip dirtying removed cell dependents: #100460
• docs: use the exported unstable_doesMiddlewareMatch name in proxy unit testing: #100499
• turbo-tasks-backend: restore invalidated tasks with batched optional reads: #100465
• Durable use cache: don't crash on Node workers: #100505

Credits

Huge thanks to @eps1lon, @zydo, @unstubbable, @sokra, @jamiboym, @sokra, @lubieowoce, @mischnic, @icyJoseph, @koreahghg and @lukesandberg for helping!

Core Changes

• Defer app router HMR refresh until the router is initialized: #100113

Misc Changes

• test: extend webpack timeout for dynamic-params-retained-cache: #100382

Credits

Huge thanks to @sokra for helping!

Core Changes

• Upgrade React from ba39b32a-20261019 to a6792708-20261019: #100459
• Pass request headers explicitly into App request stores: #100333
• Remove request from App page prerender entry point: #100331
• Use render lifecycle callback for fetch metrics cleanup: #100323
• Upgrade React from 99c106c4-20261014 to ba39b32a-20261019: #100403
• Pass interception capability into App rendering: #100409

Misc Changes

• [cd] Gate release bot credentials behind GitHub environments: #100121
• test: retry vercel deploy on transient pre-deployment network errors: #100070
• turbo-tasks: batch schedule invalidated tasks and cell dependents: #100446
• turbopack: use reverse postorder priority in compute_merged_modules: #100430
• turbopack: use reverse postorder priority in collect_graph: #100429
• turbopack: use reverse postorder priority in compute_chunk_group_info: #100428
• Turbopack: propagate late partial namespace provenance to passthrough targets: #100444
• turbopack: store unused reference edges in a keyed Vc: #100441
• AGENTS.md: prefer e2e/execution tests over implementation-mapped unit tests: #100451
• docs: document useRouter push/replace void return and useTransition migration: #100420
• docs: type proxy examples with NextRequest and fix cookie check: #100417
• Turbopack: keep env and preview props invalidations key-granular on warm start: #100425
• test: unflake prefetch-fallback-static in deploy: #99366
• Fix Activity testing guide claim about label and placeholder locators: #100445
• [ci] Upload adapter test results via GitHub Actions OIDC: #100400
• turbo-persistence: read compaction inputs with pread instead of mmap: #100336
• test: explain why deploy build-log markers are missing: #100069
• test: bound deploy build-log polling with backoff and per-call timeouts: #100068
• turbo-tasks-backend: remove racy ungated collectibles_outdated_dependency test: #100377

Credits

Huge thanks to @eps1lon, @sokra, @Aryan9891, @deveshasawa28, @lukesandberg, @lubieowoce, @icyJoseph, and @kassens for helping!