next

Core Changes

• docs: error component unstable_retry(): #89732

Misc Changes

• Update Rspack development test manifest: #90751
• Update Rspack production test manifest: #90750
• Turbopack: improve cell order lint rule for TraitRef::cell: #90756
• Add determinism test for static shell with asset preload headers: #89826

Credits

Huge thanks to @devjiwonchoi, @vercel-release-bot, and @mischnic for helping!

Core Changes

• fix(turbopack): use posix.join for client URL manifest paths on Windows: #90700
• Turbopack: improve cell order lint rule for ReadRef::cell: #88500
• Change names of logged times: #90688
• [devtools] Bump React Compiler version to latest experimental: #90763
• Skip writeToBfCache without window: #90771

Example Changes

• with-docker: add new config file formats: #90731

Misc Changes

• Fix ENOBUFS errors in pr-status.js when fetching large CI logs: #90654
• docs: clarify native <script> usage for JSON-LD in docs: #90380
• Publish @next/playwright to npm as part of canary releases: #90738

Credits

Huge thanks to @sokra, @sleitor, @mischnic, @karlhorky, @abhishekmardiya, @acdlite, @timneutkens, and @eps1lon for helping!

Core Changes

• [devtools] Stop blocking overlay on error details copy: #90698
• feat: provide nextVersion to modifyConfig adapter hook: #90735
• experimental.prefetchInlining: bundle segment prefetches into a single response: #90555
• instant(): fix cookie handling for fresh page loads: #90613

Misc Changes

• Use commit-based tarball URL in PR stats comment: #90709
• [ci] Use commit instead of PR number for preview builds in deploy tests: #90722

Credits

Huge thanks to @eps1lon, @devjiwonchoi, @pieh, and @acdlite for helping!

Core Changes

• Turbopack: Allow turbopack-node backend to be swapped at runtime using an experimental config option: #90671
• Turbopack: Revert default loader runtime backend to child processes: #90675

Misc Changes

• turbo-persistence: streaming SST writer for reduced memory usage: #90617
• Add custom cleanup script support for deploy tests: #90696

Credits

Huge thanks to @lukesandberg, @bgw, and @ijjk for helping!

Core Changes

• Turbopack: restrict server HMR to app pages: #90663

Misc Changes

• Centralize test timings to fix shard divergence in CI: #90672
• tests: Fix immutableAssetToken extraction: #90668

Credits

Huge thanks to @ijjk, @mischnic, and @wbinnssmith for helping!

Misc Changes

• Ensure we only run main test mode with custom deploy script: #90665

Credits

Huge thanks to @ijjk for helping!

Core Changes

• refactor(turbopack-node): support execution by napi and worker_threads: #86266
• [instant] Allow providing user feedback for blocking route errors: #90498
• Allow Node.js' experimental inspector flags in next dev and next build: #90603
• tests: Assert dpl query string in all tests for Turbopack: #90592
• [instant] Don't add debug stack to random unstable_instant exports: #90273
• Adapter: STATIC_FILE.immutableHash: #90045
• Turbopack: experimental.immutableAssetToken: #88607
• remove runInContext callbacks from stream-ops: #90609

Example Changes

• example: restore .next handling for with-docker examples: #90651

Misc Changes

• test: Run Adapter e2e tests with Turbopack instead: #90600
• Add MemorySample to Turbopack trace infrastructure: #90597
• docs(deploying): add Hostinger Web Apps Hosting to Node.js deployment options: #90246
• Use VisitMut instead of Fold for debug_instant_stack transform: #90274
• docs: fix navigationType value and variable name in useReportWebVitals: #90599
• Accept header content negotiation: #90607

Credits

Huge thanks to @xusd320, @mischnic, @eps1lon, @sokra, @agneliutkiene, @Mimori256, @icyJoseph, and @lubieowoce for helping!

Core Changes

• Turbopack: Panic if a top-level task attempts an eventually consistent read: #89735
• Fix middleware case with adapters: #90624

Misc Changes

• Turbopack server HMR: inline source maps for evaled modules: #90561

Credits

Huge thanks to @bgw, @wbinnssmith, and @ijjk for helping!

Core Changes

• Fix edge index page _next/data route: #90611
• Turbopack server hmr: Implement restart event: #90550

Misc Changes

• Pre-warm a single NodeJS instance when the next devserver starts: #90174

Credits

Huge thanks to @ijjk, @andrewimm, and @wbinnssmith for helping!

Core Changes

• [test] Fix jest-haste-map warnings: #82995
• Don't require collect-build-traces with Turbopack: #90586
• Enable experimental.reactDebugChannel by default: #90310
• Less dynamic pages manifest path: #90581
• Upgrade React from c0060cf2-20260224 to 98ce535f-20260226: #90605
• Turbopack: Add Next.js version to "initialize project" trace span: #90545
• [devtools] Stop sending codeframes for ignored frames: #90577
• Allow reset() from user's global-error: #89684
• Fix per-segment prefetching for initial loads with Cache Components: #90610
• Add unstable_retry() to error.js: #89685

Example Changes

• docs: add Docker Standalone and Docker Export examples to Deploying page: #90386

Misc Changes

• [test] Remove getStackFramesContent: #90571
• Replace testonly to testheadless in AGENTS.md: #90578
• [test] Include error code in Redbox snapshot: #90497
• Turbopack: Add TransientEnvMap to avoid persisting env vars in cache: #90526
• Turbopack: add Xxh3Hash128Hasher: #90584
• [test] Fix error code snapshots when testing with React 18: #90593
• feat: Join guides and frame around UI preservation: #90595
• Turbopack: use xxhash3_128 for content hashes: #90583
• test: remove stray TURBOPACK_BUILD=1: #90602
• Update Rspack development test manifest: #90566
• Update Rspack production test manifest: #90565
• [ci] Use NEXT_TEST_CI instead of CI for e2e test retry guard: #90606
• [test] Skip failing segment-cache deploy test: #90601
• turbo-persistence: drop key compression dictionary from SST files: #90608

Credits

Huge thanks to @eps1lon, @devjiwonchoi, @mischnic, @kristiyan-velkov, @sokra, @icyJoseph, @vercel-release-bot, @unstubbable, and @lukesandberg for helping!

Core Changes

• fix: sanitize worker args for worker_threads compatibility: #90506
• Fix varyParams tracking for optional catch-all params with no value: #90496
• Don't start worker for Typescript when only doing config validation: #90504
• [Instant] Fix loading.js not being counted as a suspense boundary: #90292
• [ci] Crash if next-swc could not be loaded when NEXT_TEST_NATIVE_DIR is specified: #90387
• Fix: server-patch retry preserves push/replace intent of suspended transitions: #90533
• Cached Navigations: Serve cached segments instantly on repeat visits: #90223
• Throw when unstable_instant is used in Client Component: #90396

Misc Changes

• test: Improve test assertions to prepare for dpl query string: #90463
• [test] Fix flaky "delay re-prefetch after revalidation" test: #90503
• Revert "Turbopack: Add line numbers to debug info in release-with-assertions profile (#90474)": #90525
• Bump Turborepo to 2.8.11: #90530
• Turbopack: Move turbopack out of pnpm build and into a pnpm build-all command: #90543

Credits

Huge thanks to @mischnic, @timneutkens, @acdlite, @unstubbable, @bgw, @lubieowoce, @eps1lon, and @devjiwonchoi for helping!

Core Changes

• Fix params leaking into instant navigation shell in dev: #90455
• Limit build workers to pages+1: #90475

Misc Changes

• Update Rspack production test manifest: #90412
• Update Rspack development test manifest: #90413
• Add @next/playwright package with instant() testing helper: #90470
• [turbopack] Reduce memory usage during compaction: #90229
• [sync-react] Allow syncing from a React commit: #90283
• Turbopack: Add line numbers to debug info in release-with-assertions profile: #90474
• Turbopack: emit env_diff span attribute for update: #90466
• test: unflake lru-disk-eviction on Windows: #90465

Credits

Huge thanks to @vercel-release-bot, @acdlite, @lukesandberg, @eps1lon, @bgw, @mischnic, and @andrewimm for helping!

Core Changes

• Fix route cache keying for unprefetched navigations: #90400
• Add support for Next.js error telemetry for AggregateError: #90391
• Fix config.reactProductionProfiling for Webpack: #90430
• next-image: fix deployment id handling for unoptimized: #90416
• [ci] Fix input cache keys for tasks referencing rust-toolchain: #90442
• next-image: fix dpl handling with unicode: #90420
• Upgrade React from ab18f33d-20260220 to c0060cf2-20260224: #90452
• [ci] Stop using Turbopack tests in native binary build cache keys: #90449
• [Instant] Validate blocking head: #89539
• Turbopack: Fix experimental server hmr for pages router: #90398

Misc Changes

• docs: improve form guide consistency and validation examples: #90361
• Add more known folders to is-folder-empty check in create-next-app: #88218
• docs: rework version staleness: #90192
• [ci] Always upload Turborepo summary artifact: #90441
• tests: reenable escheck-output: #90423
• docs: clarify that next upgrade is for 16.1.x+: #90435
• Add not-found.js / notFound() links to Status Codes section: #88332
• [test] Deflake typed-routes-validator using tsc: #90451
• docs: update with more patterns and decision based: #90203
• test: Cleanup and refactoring: #90454
• [turbopack] Make compression in SST files optional: #89309
• [test] Only auto-retry individual e2e tests in CI: #90464

Credits

Huge thanks to @acdlite, @lavanitha, @timneutkens, @eps1lon, @icyJoseph, @mischnic, @karlhorky, @lubieowoce, @wbinnssmith, @lukesandberg, and @unstubbable for helping!

Core Changes

• refactor(app-render): extract stream-ops and debug-channel modules (5/8): #89858
• [turbopack] Consider ignoreList of 3rd party sourcemaps in Redbox: #90317
• [turbopack] Remove obsolete is_internal field : #90329
• Fix: Image component ignores images.qualities in Jest environment: #89536
• Revert "keep next-env.d.s unchanged between dev and build": #90384

Misc Changes

• Bump Turborepo to 2.8.9: #90079
• In-Depth Explanation of React Version Handling Doc: #89426
• Update wasm and next-custom-transforms crates to Rust edition 2024: #90350
• Turbopack: refactoring to prepare for name mangling: #89406
• Turbopack: Aggregation update improvements: #90139
• Next.js sticky scroll standards: #90197
• [ci] Stop linting auto-generated next-swc typings: #90390
• docs: fixes typo in manifest.mdx regarding Route Handler note: #90394

Credits

Huge thanks to @mischnic, @abhishekmardiya, @lukesandberg, @feedthejim, @eps1lon, @mmastrac, @sokra, @rishishanbhag, and @tdarthur for helping!

Core Changes

• Fix route.replace crash with --debug-build-paths: #90312

Misc Changes

• Add PR tarball install note to stats comment: #90316

Credits

Huge thanks to @devjiwonchoi for helping!

Core Changes

• Turbopack: support Subresource Integrity : #90152
• segment cache: add test for passing unawaited promise to context provider: #89339

Credits

Huge thanks to @mischnic and @ztanner for helping!

Core Changes

• Fix runtime prefetch isPartial byte stripping when deployed: #90272
• Upgrade React from 2ba30655-20260219 to ab18f33d-20260220: #90279
• validate sync IO in generateMetadata according to Page's prefetchable status: #90164

Example Changes

• Migrate from react-markdown to Streamdown static in EdgeDB example: #86435

Misc Changes

• [sync-react] Allow syncing React with local build: #90277

Credits

Huge thanks to @haydenbleasel, @unstubbable, @gnoff, and @eps1lon for helping!

Core Changes

• Revert "Handle null history.state in client-side router popstate handler": #90268
• [devtools] Omit empty looking error messages: #90256

Misc Changes

• [test] Improve fetch timeout error stack for act: #90261
• Turbopack: add Rope.content_hash and SHA hashing: #90235
• [instant] Handle more instant declaration patterns: #90251

Credits

Huge thanks to @unstubbable, @mischnic, @ztanner, and @eps1lon for helping!

Core Changes

• Turbopack: fix static asset skew protection for edge and prerenders: #90238
• Remove workStore from params/searchParams/pathname function signatures: #90215
• Remove workStore from metadata resolution chain: #90217
• [Instant] export "Instant" config type: #90257
• Replace getDynamicParamFromSegment closure with interpolatedParams in metadata: #90249
• [Instant] Dev Tools toggle for Instant Navigation Mode: #90222
• [instant] Include declaration location of instant config in validation errors: #90169
• Turbopack: rename ServerPaths to AssetPaths: #90234
• feat(next/image): add lru disk cache and images.maximumDiskCacheSize: #89963

Example Changes

• [feat] Added Docker examples for standalone output and export output following best practices: #87069

Credits

Huge thanks to @kristiyan-velkov, @mischnic, @gnoff, @lubieowoce, @acdlite, @eps1lon, and @styfle for helping!

Core Changes

• Fix OTEL propagation and add direct entrypoint e2e coverage: #90181
• Use cookie as sole protocol for instant navigation testing: #89871
• Simplify metadata tag rendering to flat imperative style: #90209
• Prevent unhandled rejection filter from being bundled into the server runtime: #90205
• [Instant] speed up test instant-validation suite: #90214

Misc Changes

• [turbopack] Add a simple tool to inspect serialized SST files and report on their contents: #89310
• Upgrade React from 4842fbea-20260217 to 2ba30655-20260219: #90211

Credits

Huge thanks to @ijjk, @lukesandberg, @eps1lon, @acdlite, @gnoff, and @lubieowoce for helping!

Core Changes

• [refactor] Replace runtime prefetch sentinel transform stream: #90160
• fix: use Buffer.indexOf in uint8array helpers for faster byte scanning (3/8): #89864
• Automatically build and clear native build when running pnpm build: #89819
• fix(cache): DCE to avoid pulling server internals into browser bundles (4/8): #89865
• Attach active src route to next global: #90171

Misc Changes

• Turbopack: Update rust toolchain to nightly-2026-02-18: #89974
• Turbopack: Derive Default on PartialProjectOptions, remove silly partial_project_options_with_debug_build_paths helper: #90170
• Turbopack: document ModuleSideEffects better: #90132
• [ci]: pin styled-components version in tests: #90194

Credits

Huge thanks to @bgw, @unstubbable, @mischnic, @feedthejim, @sokra, @ztanner, and @ijjk for helping!

Core Changes

• segment cache: fix segment cache normalizer: #90111
• Handle null history.state in client-side router popstate handler: #90083
• Don't parse default postponedsizelimit: #89906
• Turbopack: handle invalid RSC imports via importmap: #88146
• [create-next-app] Improve AGENTS.md prompt wording: #90118
• ensure maxPostponedStateSize is always respected: #90060
• Upgrade React from 6066c782-20260212 to 4842fbea-20260217: #90144
• [fragment-scroll] Stop focusing the first focusable host descendant: #89903
• fix: normalize loopback only in hostname: #90158
• Only error for sync IO after runtime in segments that would be runtime prefetched: #89979

Misc Changes

• refactor: fix non-determinism in resolve package: #90058
• Update Rspack development test manifest: #90074
• Update Rspack production test manifest: #90073
• test: extend production-browser-sourcemaps test: #89945
• Turbopack: use file_content.hash() consistently: #90078
• [test] Current behavior of focus after next/link navigation: #89959
• Turbopack: Enable tree-shaking for dynamic imports with destructuring: #89683
• test: Don't run integration tests twice for Turbopack : #83335
• Simplify how json imports work by turning it into a source transform: #89631
• Update Rspack production test manifest: #90120
• Update Rspack development test manifest: #90121

Credits

Huge thanks to @lukesandberg, @vercel-release-bot, @ztanner, @timneutkens, @mischnic, @gaojude, @eps1lon, @sokra, and @gnoff for helping!

Core Changes

• [devtools] Add support for error causes in the dev overlay: #90108
• Unify runInSequentialTasks across all sequential task work: #89978
• Cleanup all stage promises on abort: #89984

Misc Changes

• [turbopack] Fix concurrent task lock panic during error formatting: #90056
• Reland "[turbopack] Fix some modification tracking bugs in TaskStorage": #90098

Credits

Huge thanks to @eps1lon, @lukesandberg, and @gnoff for helping!

Core Changes

• Improve task pipelining: #90065
• fix(next/legacy/image): add deployment id (dpl) query string support: #89956
• Cache expected missing manifest read: #89908
• Use for...in instead of Object.keys for parallelRouteKey traversal: #89905
• [Instant] allow non-blocking dynamic holes and errors in shared parents: #89875
• Move prefetch hints from CacheNodeSeedData to FlightRouterState: #90066
• [Instant] Don't block on client APIs that wouldn't block in the browser: #89924

Misc Changes

• [turbopack] Fix some modification tracking bugs in TaskStorage: #89708
• bench: render-pipeline benchmarks and stress routes (2/8): #89863
• [turbopack] fix our verify features in turbo-tasks backend: #90013
• Refactor factory not available error message generation: #89897
• [turbopack] Followup for #[derive(ValueToString)]: #89936
• Revert "[turbopack] Fix some modification tracking bugs in TaskStorage": #90096
• Disable jest cache for CI instead of wiping: #90097
• next-stats-action: avoid pnpm EXDEV during stats installs: #90100
• [turbopack] Run the deployment tests for turbopack and webpack: #84360
• ci: only cancel pull_request_stats on PR updates: #90104
• [Instant] test: remove unnecessary reactDebugChannel permutation: #90103
• [test] Replace flaky webpack snapshots in cache-components-errors: #90105
• Upgrade to swc 57: #90084

Credits

Huge thanks to @gnoff, @sokra, @lukesandberg, @feedthejim, @timneutkens, @mmastrac, @ijjk, @lubieowoce, @unstubbable, @acdlite, and @mischnic for helping!

Core Changes

• Ignore prefetch={true} on Links to routes with instant: #90061
• Expand deferred entries test suite and fix turbopack build: #90057
• Use StageController for runtime prerendering: #89972

Misc Changes

• test: scope e2e timeouts to startup and per-it: #89929
• Always set adapter deploy env variable: #90064

Credits

Huge thanks to @acdlite, @ijjk, and @gnoff for helping!

Core Changes

• docs: agent skills, pr-status script, and AGENTS.md updates (1/8): #89857

Misc Changes

• Upgrade Lightning CSS: #88789
• fix(turbopack): --debug-build-paths fails with route groups: #89336
• docs: clarify async instrumentation register request : #90039
• Add AGENTS.md and bundled docs guide: #89973

Credits

Huge thanks to @mischnic, @devjiwonchoi, @swarnava, @feedthejim, and @gaojude for helping!

Core Changes

• [fragment-scroll] Ensure hoisted elements don't break scroll-to-top on page navigations: #83108
• dx: Include path count in export error message: #89333
• fix(agents-md): use require.resolve() to get the installed next version: #89166

Misc Changes

• docs: fix broken blockquote formatting in API Routes page: #89966
• Turbopack: Update trybuild test dependency from 1.0.104 to 1.0.116: #89986
• test: Isolate read-only-source-hmr test: #86721

Credits

Huge thanks to @andrewdamelio, @bgw, @mischnic, @eps1lon, and @devjiwonchoi for helping!

Misc Changes

• chore: Don't run build-and-deploy CI job on graphite-base branches: #89982

Credits

Huge thanks to @bgw for helping!

Core Changes

• Fix parallel routes with deferred entries: #89967

Misc Changes

• Turbopack: Add inline loader configuration via import attributes: #89644
• Turbopack: Use std::any::type_name for global naming of turbo-task items: #89874

Credits

Huge thanks to @sokra, @ijjk, and @bgw for helping!

Core Changes

• fix: support multiple icon formats with same base name (icon.png + icon.svg): #89504
• Turbopack: Move turbopackIgnoreIssue from experimental to turbopack.ignoreIssue: #89817
• Build with dev runtimes when --debug-prerender is set: #89834
• Append deployment id query string for next-font: #89960

Misc Changes

• Next-api: Check client_source_maps before generate source map: #89915
• docs: improve next/image localPatterns error page: #89914
• docs: inline-css dev-action oriented: #89064
• Upgrade to swc 56: #89111
• Turbopack: fix CSS dependency locations: #89761
• docs: document cacheLife expire omission behavior and fix default preset value: #89913
• docs: Activity boundary guide: #89126
• Enable backtraces in turbopack integration tests: #89935

Credits

Huge thanks to @FurryR, @icyJoseph, @mischnic, @01-binary, @lukesandberg, @sokra, and @unstubbable for helping!

Misc Changes

• docs: adapterPath amends: #89930
• [turbopack] Add #[derive(ValueToString)] and convert ~45 manual impls: #89788
• Turbopack hmr: fix missing factories: #89934

Credits

Huge thanks to @icyJoseph, @mmastrac, and @wbinnssmith for helping!

Core Changes

• Upgrade React from 272441a9-20260209 to 6066c782-20260212: #89923
• Add a better error message for when turbopack cannot be loaded: #89633

Credits

Huge thanks to @lukesandberg for helping!

Core Changes

• [Instant] Fix crash with search params: #89922
• Fix memory leak in dev mode caused by fast-set-immediate: #89779
• Trace upload: include experimental flag states: #89845

Misc Changes

• Change UrlBehavior.static_suffix to ResolvedVc<Option<RcStr>>: #89921

Credits

Huge thanks to @lukesandberg, @lubieowoce, @alubbe, and @wbinnssmith for helping!

Core Changes

• Allow sitemap.ts and sitemap/page.tsx to coexist in Turbopack: #89789
• [fragment-scroll] Cleanup scroll and focus restoration in layout router: #83110
• [fragment-scroll] Add experimental.appNewScrollHandler: #83107

Misc Changes

• After() docs requests API: #89837
• docs: Move browserToTerminal into logging: #88901
• Update documentation to explain behavior in a Catch-all route: #89742
• test: allow query suffix in related media URL e2e assertions: #89872
• Update Rspack development test manifest: #89811
• Turbopack: Store task error as pointer to the source error: #89293
• docs: add deploymentId config and clarify encryption key for self-hosting: #89795
• Turbopack: Pass asset_suffix_path as Vc: #89899
• [turbopack] Simplify JS ChunkItem with a single impl in most cases: #89548

Credits

Huge thanks to @feedthejim, @icyJoseph, @freek-boon-greenberry, @andrewimm, @ijjk, @vercel-release-bot, @sokra, @eps1lon, and @mmastrac for helping!

Core Changes

• [AI] Ship bundled docs in next and generate AGENTS.md in create-next-app: #89850
• Turbopack: Implement server hmr in nodejs dev runtime: #89130

Misc Changes

• docs: adapt lead to source path patterns: #89392
• docs: Papercuts Feb26: #89484
• [test] Ensure new deploy test builds have the necessary env variables: #89846
• test: allow dpl query suffix in scss url-global expectation: #89856
• test: stabilize app-dir hash navigation RSC assertion: #89867
• Turbopack: Clean up unused register!() macro argument in test: #89869

Credits

Huge thanks to @icyJoseph, @eps1lon, @gaojude, @ijjk, @wbinnssmith, and @bgw for helping!

Core Changes

• Turbopack: Fix slow filesystem benchmark warning for next dev: #89798
• Add turbopackIgnoreIssue config to suppress Turbopack warnings: #89682
• Add support for with type: "text" under a new experimental flag, following what webpack did: #89560
• Remove unused devtools code handling React without use: #89793
• [devtools] Wrap overlay in Activity: #89818
• Add CSS URL deployment ID suffix support: #89771
• Fix cascading LRU eviction during prefetch batches: #89766
• Refactor prerenderManifest passing: #89765

Misc Changes

• Update flakey E2E deploy tests: #89792
• Update flakey E2E deploy tests no-prefetch: #89799
• Update Rspack production test manifest: #89741
• Fix devlow job timeouts: #89804
• Update Rspack development test manifest: #89740
• Turbopack Persistence: Improve heuristic for compacted database access: #89497
• Turbopack: remove ChunkableModuleReference trait: #89745
• docs: improve Graphite workflow documentation: #89488
• Remove --turbopack and --webpack flags from create-next-app: #89706
• docs: correct use term: #89438
• Turbopack: make routes hashes mainfest more incremental: #87107
• [test] Remove references to removed, internal PPR environment variable: #89832
• [docs] Add RedirectType usage example to permanentRedirect: #89833
• [test] Enable scroll related tests in Cache Component tests: #83245
• Next CLI flags documentation: #89750
• docs: update adapter docs for routing, handlers, and PPR: #89849

Credits

Huge thanks to @ijjk, @bgw, @vercel-release-bot, @sokra, @lukesandberg, @mischnic, @timneutkens, @vvscode, @eps1lon, and @unstubbable for helping!

Core Changes

• Turbopack: Server HMR infrastructure: #88870
• Turbopack: Reorganize runtime files into shared/runtime directory: #89461
• [Instant] Validation on client navs: #89777
• Turbopack: extract core hmr client logic into shared runtime: #88912

Credits

Huge thanks to @wbinnssmith and @lubieowoce for helping!

Core Changes

• Pass shouldCache to all manifest loading calls: #89713
• Add 2nd cloned body to FinalizationRegistry. Only used RuntimeStyles component for webpack: #88577
• Tracing: trace render times as render-path: #89763

Misc Changes

• Update Rspack production test manifest: #89701
• Update Rspack development test manifest: #89702
• clarify unstable_cache replacement with use cache: #89435
• [test] Add regression test for segment cache prefetch memory leak: #89756
• Improve not-found-with-pages test: #89538

Credits

Huge thanks to @vercel-release-bot, @mischnic, @abhishekmardiya, @unstubbable, @timneutkens, and @wbinnssmith for helping!

Core Changes

• fix(image): findClosestQuality returns 0 for low quality values: #89621
• Upgrade React from 2dd9b7cf-20260208 to 272441a9-20260209: #89722
• Avoid using unclosing prefetch streams in the browser: #89610

Example Changes

• Remove more examples: #89709

Misc Changes

• Turbopack: Remove old Vc::try_resolve_* methods in favor of the ResolvedVc alternatives: #89696
• Fix reset-project script for E2E deploy tests: #89693
• feat: move font variables to html in create-next-app: #89632
• reduce the number of shards on small systems: #89731

Credits

Huge thanks to @bgw, @ijjk, @icyJoseph, @shadcn, @sigmachirality, @unstubbable, and @lukesandberg for helping!

Core Changes

• Upgrade React from 95ffd6cd-20260205 to 2dd9b7cf-20260208: #89681
• Include AggregateError.errors in terminal output: #88999

Misc Changes

• Turbopack: remove unneeded benchmarks: #89592
• Turbopack Persistence: Remove amqf cache, store all amqfs in memory: #89562
• Add inline value support for small values (≤8 bytes): #89271
• [turbopack] remove the _backend field from TaskGuardImpl: #89015
• [Turbopack] Include CSS URL attributes, including Layer, Media and Supports: #89300
• docs: add task decomposition and verification guidelines: #89640

Credits

Huge thanks to @sokra, @lukesandberg, @robert-j-webb, and @bencmbrook for helping!

Core Changes

• fix: deprecated util._extend: #89614
• Fix missing non-deferred turbopack build items: #89616
• Revert "Ensure _middleware is consistent in adapter for name/id": #89624
• Omit unused arguments for server actions: #89651

Misc Changes

• Update metadata assertions: #89625
• Update vercel CLI version in flakey deployment-id test: #89652

Credits

Huge thanks to @Netail, @ijjk, and @unstubbable for helping!

Core Changes

• Ensure _middleware is consistent in adapter for name/id: #89559
• Ensure Errors with deep causal chains respect inspect depth: #89594
• refactor: extract route discovery into unified discoverRoutes() API: #88971
• Ensure static metadata are static outputs for adapters: #89574
• Resolve local variable references in error code SWC plugin: #89596
• Turbopack: Add --experimental-server-fast-refresh CLI flag: #89274
• Fix deployment id header when proxying: #89593

Misc Changes

• Turbopack: add turbo-persistence benchmark: #89446
• Fix spelling in robots.mdx documentation: #89565
• Proper e2e test of function determinism - adapter: #89522
• [test] consolidate the browser log test: #89601
• Fix flaky turbo cache pull with retries and graceful fallback: #89575
• Turbopack: Pass globals to node.js workers as well: #89261
• Upgrade rustc to 2026-02-05: #89591

Credits

Huge thanks to @ijjk, @sokra, @Thomas465xd, @mischnic, @eps1lon, @huozhi, @bgub, @unstubbable, @mmastrac, and @wbinnssmith for helping!

Core Changes

• Don't insert build id comment in HTML: #89478
• Clarify type checking error message: #89525
• Require explicit cacheLife on outer "use cache" when nesting short-lived caches: #89481
• [Instant] Instant validation in Dev: #89077
• Upgrade React from 3e00319b-20260203 to 95ffd6cd-20260205: #89550
• Turbpopack: fix is_persistent_caching_enabled: #89533
• Fix a small doc typo: #89553

Misc Changes

• Proper e2e test of function determinism: #88908
• docs: fix ISR guide link to res.revalidate: #89342

Credits

Huge thanks to @mischnic, @unstubbable, @lubieowoce, @pavan-sh, and @lukesandberg for helping!

Core Changes

• Ensure module contexts are always included in adapter traces: #89508

Credits

Huge thanks to @ijjk for helping!

Core Changes

• Add experimental.reportSystemEnvInlining for Turbopack: #89304
• fix: use signal-based exit codes to prevent inspector blocking exit: #89351
• Add Instant Navigation Testing API: #89465
• Support MPA navigations in instant(): #89469
• Handle Pages data route skew with deployment id header, take 2: #89325
• Include owner stack for forwarded errors if available: #89493
• [CC] Rename "unstable_prefetch" to "unstable_instant": #89448

Example Changes

• chore(examples): remove with-tigris example: #81843

Misc Changes

• Update Rspack production test manifest: #89423
• Update Rspack development test manifest: #89424
• Turbopack: improve suggestions for experimental.reportSystemEnvInlining: #89486
• docs: Fix syntax in proxy example code: #89395
• Add experimental flag to expose testing API in production builds: #89499

Credits

Huge thanks to @vercel-release-bot, @mischnic, @timneutkens, @acdlite, @JamBalaya56562, @ericrav, @huozhi, and @lubieowoce for helping!

Example Changes

• chore(examples): remove with-recoil exmaple: #81836

Misc Changes

• Don't upload build cache for deployment tests: #89432
• Fix indentation of types of tests in docs: #89409
• Add separate E2E deploy env for turbopack tests: #89458
• Turbopack: Symbol.for and keyFor are sideeffect-free: #89454

Credits

Huge thanks to @mischnic, @JamBalaya56562, @wheresrhys, and @ijjk for helping!

Core Changes

• Replace flight navigation build id field with header: #88855
• Upgrade React from da641178-20260129 to ed4bd540-20260202: #89401
• Upgrade React from ed4bd540-20260202 to b1533b03-20260203: #89444
• Upgrade React from b1533b03-20260203 to 3e00319b-20260203: #89449
• Rename CACHE_ONE_YEAR for clarity and fix usage: #89450
• [Codemod] Fix agents-md on Windows: #89319
• Experimental deferred entries handling: #88347

Misc Changes

• Snippet multi package syntax: #89381
• TURBOPACK: support chunk_loading_global method: #88790

Credits

Huge thanks to @icyJoseph, @mischnic, @ijjk, @fireairforce, and @gaojude for helping!

Core Changes

• Turbopack: FreeVarReference::ReportUsage: #89302
• Make Server Function logging opt-in via logging.serverFunctions: #89321
• Restore default-enabled Server Function logging: #89407
• Re-add build-complete traces for webpack: #89402
• Skip Server Function logging for 'use cache' functions: #89408

Misc Changes

• Turbopack: Move PrettyPrintError to turbo_tasks and add tests: #89280
• Update Rspack production test manifest: #89372
• Update Rspack development test manifest: #89371
• docs: replace 'can not' with 'cannot': #89354
• docs: Fix custom server code snippets: #89400

Credits

Huge thanks to @sokra, @mischnic, @unstubbable, @vercel-release-bot, @pavan-sh, @amannn, and @ijjk for helping!

Core Changes

• Turbopack: Rename crates/napi to crates/next-napi-bindings and update crate name: #89314
• feat: detect @typescript/native-preview as alternative TypeScript compiler: #89149
• Revert "Fix/zlib mem node": #89322

Credits

Huge thanks to @bgw and @Suhaib3100 for helping!

Misc Changes

• Apply server actions transform to node_modules in route handlers: #89316
• [test] Deflake browser-log-forwarding verbose level test suite: #89324

Credits

Huge thanks to @unstubbable for helping!

Core Changes

• Revert "Replace build id in Pages data routes with deployment id (#88959)": #89323

Misc Changes

• Add failing test to deploy-tests-manifest: #89318

Credits

Huge thanks to @ijjk and @mischnic for helping!

Core Changes

• Fix/zlib mem node: #89099

Misc Changes

• Update Rspack development test manifest: #89278
• Update Rspack production test manifest: #89277
• Improve consistency of how Flag typed fields are handled in the macro to more structurally prevent bugs like what was fixed in #89228: #89255

Credits

Huge thanks to @naaa760, @vercel-release-bot, and @lukesandberg for helping!

Core Changes

• Improve lock dir error message: #89119
• Ensures browserslist doesn't issue outdated warnings for baseline-browser-mapping: #89287
• Replace build id in Pages data routes with deployment id: #88959
• Upgrade React from 230772f9-20260128 to da641178-20260129: #89301
• Inline handler dependencies instead of tracing: #89269
• Turbopack: add rules.*.type config to allow changing the type of a module: #88788
• Add experimental.varyParams feature flag: #89307

Misc Changes

• Turbopack: improve print_cache_item_size: #89279

Credits

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

Core Changes

• fix: CSRF origin matching should be case-insensitive: #89127
• fix(build): format runAfterProductionCompile duration as human-readable time: #89232
• fix(router): support BigInt in query parameters: #89213
• Update font data: #89200
• Update font data: #89272
• Turbopack: add support for contentType condition for webpack loaders: #89156
• Revert "fix(router): support BigInt in query parameters": #89283
• Track vary params during static prerendering: #89267

Misc Changes

• refactor: Improve templates layout flexibility: #89245
• test: add client-cache.defaults failing deploy test: #89242
• test: add resume-data-cache failing deploy test: #89243
• [turbopack] Make shrinking logic declarative and optimize for immutable tasks: #89222
• Turbopack: Trace task modifications: #89229
• docs: Rename Error component to ErrorPage: #89284
• Turbopack: refactor extend transforms: #89116

Credits

Huge thanks to @alexcarpenter, @devjiwonchoi, @jaffarkeikei, @BradErz, @lukesandberg, @vercel-release-bot, @sokra, @eps1lon, @mintydev789, and @acdlite for helping!

Core Changes

• add GPTBot to matcher for known bots: #89188
• Ensure .md licenses are included in vendored packages: #89201
• Switch development log item format as JSON: #89168
• IsolatedDevBuild flag removal: #89167
• fix: coerce HEAD to GET for internal images: #84180
• Upgrade React from 10680271-20260126 to 230772f9-20260128: #89250
• Upgrade tar used to extract SWC binary : #89158
• Sort prerender manifest routes: #89246
• Track vary params for segments without server-side param access: #88998
• Optimistic routing: client-side route prediction: #88965
• Keep pages/404.js to be able to dynamically render it anyway: #89263
• fix: fully static pages should emit & serve static rsc payloads: #89202

Misc Changes

• Turbopack: change AsyncModulesInfo to use keyed reads: #89216
• Turbopack: selective reads of defined env vars in module analysis: #88759
• Turbopack: add support for turbopackOptional: true: #89227
• Turbopack: fix tracking modifications for transient and data: #89228
• [ci] Clear Jest transform cache: #89247
• Turbopack: Make the globals we pass to workers configurable: #88773
• Accept deploy script and log script as inputs: #89253
• [turbopack] mark persistent_task_type as inline: #89185
• [test] Add test suite name for Tests failures table: #89258

Credits

Huge thanks to @davidgolden, @sokra, @eps1lon, @huozhi, @icyJoseph, @mischnic, @mmastrac, @LucianBuzzo, @ijjk, @lukesandberg, @devjiwonchoi, @acdlite, and @ztanner for helping!

Misc Changes

• Update Rspack production test manifest: #89147
• Fix @next/routing for i18n api and dynamic routes: #89197
• Remove Vercel specific assertions from E2E deploy: #89198
• Add custom deploy and logs env for next-deploy: #89206

Credits

Huge thanks to @vercel-release-bot and @ijjk for helping!

Core Changes

• Decouple route stale time from segment-level data: #88834
• Decouple route and segment cache lifecycles: #88989
• [ci] Silence baseline-browser-mapping warnings: #89175
• [Cache Components] Prevent streaming fetch calls from hanging in dev: #89171
• React types update: #89110
• [nextjs] feat: removing length requirement: #89173

Misc Changes

• Turbopack: Remove unused argument: #80235
• Prettier-ignore changes in next-env.d.ts files in all top-level apps: #89176
• Turbopack: warn when tracing the whole project: #89157
• [docs] Always include unsafe-eval in dev Content-Security-Policy: #89163
• Add full adapters E2E tests to workflow: #89125

Credits

Huge thanks to @timneutkens, @acdlite, @unstubbable, @mischnic, @eps1lon, @ijjk, and @brookemosby for helping!

Core Changes

• Limit number of server action arguments to 1000: #89068
• [prebuilt-skew-protection] feat: adding in automatic deploymentId: #88958

Misc Changes

• [ci] Exclude tests by filename when merging manifests: #89093
• Turbopack: import with type should be handled via condition: #89035
• CC Guide: Fix filenames, reduce line breaks: #89065
• Enable pnpm dependency caching in e2e deploy tests: #88953
• [ci] Make gh auth status optional when triggering a release: #89098
• docs: fix code highlight in 07-fetching-data.mdx: #88727
• Update Rspack development test manifest: #89084
• tweak LRU sentinel cache key: #89123
• Turbopack: allow key block without hash in SST files: #88938

Credits

Huge thanks to @unstubbable, @sokra, @delbaoliveira, @eps1lon, @Juneezee, @brookemosby, @vercel-release-bot, and @ztanner for helping!