Misc Changes

• test: stabilize OpenTelemetry collector lifecycle: #98427
• Make TurbopackResult payloads disjoint: #98575

Credits

Huge thanks to @sokra and @wbinnssmith for helping!

Misc Changes

• 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

Credits

Huge thanks to @mischnic, @jimmyhmiller, @styfle, @icyJoseph, @eps1lon, @itsybitsci, and @unstubbable for helping!

The following bug fixes have been backported. It does not include all pending features/changes on canary.

• next/image: Skip 0-byte entries when initializing disk LRU cache (#98185)
• next/image: Reject empty images when reading/writing to the disk cache (#98186)
• Emit whole-app server NFTs when output: 'standalone' is used with an adapter (#98167)
• Add CSP nonce to script tags of loading and template files (#98403)
• Fix use cache prerender signal retention (#98448)

Misc Changes

• 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

Credits

Huge thanks to @jimmyhmiller, @aurorascharff, @wbinnssmith, @eps1lon, @Amusac, @unstubbable, @bgw, @gnoff, and @sokra for helping!

Core Changes

• bundle-analyzer: record historical snapshots on each analyze run: #93520

Misc Changes

• 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

Credits

Huge thanks to @gnoff, @aurorascharff, @bgw, @devjiwonchoi, @wbinnssmith, @lukesandberg, @jimmyhmiller, @gaojude, and @sokra for helping!

Misc Changes

• 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

Credits

Huge thanks to @wbinnssmith, @gnoff, @sokra, and @eps1lon for helping!

Misc Changes

• 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
• Add CSP nonce to script tags of loading and template files: #98398
• 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

Credits

Huge thanks to @mischnic, @aurorascharff, @eps1lon, @sokra, @icyJoseph, @anujbolewar, @gnoff, @spirosikmd, and @bgw for helping!

Misc Changes

• 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

Credits

Huge thanks to @jimmyhmiller, @lukesandberg, and @aurorascharff for helping!

Misc Changes

• 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

Credits

Huge thanks to @mischnic, @lubieowoce, @aurorascharff, @unstubbable, @eps1lon, @lukesandberg, @icyJoseph, @jimmyhmiller, and @sokra for helping!

Misc Changes

• 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
• turbo-tasks-backend: fix strongly consistent read hanging on a canceled task: #98312

Credits

Huge thanks to @lukesandberg, @sokra, and @icyJoseph for helping!