Tip
Check out our Next v16.2 Blog Post to learn more about this release.
Core Changes
- Upgrade React from
f93b9fd4-20251217to65eec428-20251218: #87323 - Turbopack: Create junction points instead of symlinks on Windows: #87606
- Turbopack: Symlink handling follow-up: #87637
- Add experimental routing package for resolving adapter routes: #86404
- Ensure outputs are correct with cache components in deployment adapters: #87018
- Move off of deprecated url.parse: #87257
- [strict-route-types] Add
experimental.strictRouteTypesconfig: #87378 - misc: fix type check log for CI envs: #87838
- fix: revalidateTag with profile should not trigger client cache invalidation: #88069
- chore: warn when running tests against stale build: #88001
- Redesign default error pages with cleaner, more user-friendly UI: #87988
- dx: avoid next-env.d.ts change in dev: #88103
- prevent browser cache from using stale RSC responses from previous builds: #86554
- [strict-route-types] Typecheck App Router page props: #87386
- [strict-route-types] Enforce common React Component return types in App Router: #87389
- [strict-route-types] Switch to
satisfieswhen validating page and route modules: #87398 - [strict-route-types] Don't reject
numberinconfig.api.bodyParser.sizeLimitwhen validating route: #87633 - Revert "dx: avoid next-env.d.ts change in dev": #88153
- [strict-route-types] Typecheck pages router routes in absence of App Router: #87628
- [strict-route-types] Ensure cache profiles and routes are type-checked even if .next is excluded: #87768
- add compilation error for taint when not enabled: #88173
- feat(next/image)!: add
images.maximumResponseBodyconfig: #88183 - Add maximum size limit for postponed body parsing: #88175
- metadata: use fixed segment in dynamic routes with static metadata files: #88113
- feat: add --experimental-cpu-prof flag for dev, build, and start: #87946
- Add experimental option to use no-cache instead of no-store in dev: #88182
- fix overlay frames cannot be opened sometimes: #88210
- Handle pnpm-workspace.yaml while searching for monorepo root: #74818
- Add more debug logs to
'use cache'wrapper: #88219 - Omit unused arguments from
'use cache'function calls: #86920 - Only log
pending revalidates...debug log if applicable: #88221 - fix(next/image): bump sharp@0.34.5: #88238
- Disallow javascript urls in router methods and redirects: #88185
- Fix relative same host redirects in node middleware: #88253
- Remove loadConfig from main development process, pass value from child process: #88230
- Update deploy adapters outputs and handler interfaces for node and edge: #88247
- Move Ready in time before handler initialization: #88235
- next/image: support custom cache handlers: #88248
- feat: add Claude Code plugin marketplace with Cache Components skill: #87993
- refactor: consolidate PPR into cacheComponents architecture: #88243
- Turbopack: include fewer traced files for standalone: #88322
- feat(turbopack): add resolve plugin condition variant of Always and Never: #88190
- perf: use length = 0 to clear the logging array: #88244
- Time logs: Show full millisecond instead of 1 decimal: #88313
- [turbopack] Enable inferring module side effects by default: #87216
- Track search string as part of "refresh state": #87203
- Pass RouteTree into navigation function: #87256
- Read from segment cache unknown routes: #87293
- Pass loading boundary as part of RSC data: #87825
- Revert "refactor: consolidate PPR into cacheComponents architecture (#88243)": #88421
- fix: support TypeScript
noUncheckedSideEffectImportsfor CSS imports: #88199 - Don't import typescript at runtime: #88321
- fix: use RDC for server action requests: #88129
- Warn when overriding Cache-Control header on
/_next/routes: #88353 - [prebuilt-skew-protection] feat: adding in automatic deploymentId: #88012
- Revert "[prebuilt-skew-protection] feat: adding in automatic deploymentId": #88449
- Turbopack: Update reqwest, remove experimental system TLS feature: #88290
- Revert "prevent browser cache from using stale RSC responses from pre…: #88457
- Turbopack: retain loader tree order for metadata: #88487
- Turbopack: more dead code: #88505
- fix(build): prevent route handler manifests from inheriting unrelated client components: #88419
- Upgrade React from
65eec428-20251218to3e1abcc8-20260113: #88530 - Better typesafety for
interopDefault: #88486 - keep next-env.d.s unchanged between dev and build: #88428
- Remove sibling caches from CacheNode tree: #87991
- Upgrade React from
3e1abcc8-20260113to4a3d993e-20260114: #88547 - Finish deleting Mutable from router implementation: #88046
- fetch(next/image): reduce maximumResponseBody from 300MB to 50MB: #88588
- [CC] Fix dev validation error from server action bound args: #88600
- Fix incorrect 'Ready in' time for next start: #88589
- feat: server action logging: #88277
- Log browser error and warnings in terminal: #88352
- Upgrade React from
4a3d993e-20260114tobef88f7c-20260116: #88649 - fix: make RedirectType constant properties literal types: #88653
- Turbopack: add support for matching loaders on resource queries: #88644
- fix: capture promisified setImmediate separately: #88346
- fix: setImmediate[util.promisify.custom] access fails in edge runtime: #88685
- Fix
--debug-build-pathsbracket escaping for glob patterns: #88660 - Add negation pattern support to
--debug-build-paths: #88654 - Only filter next config if experimental flag is enabled: #88733
- [Devtool Indicator] Fix cross alignment: #88664
- Turbopack: don't use build id for pages router client-side manifests: #88641
- Allow inspecting server with
next start --inspect: #88744 - Turbopack: Add
--debug-build-pathssupport to filter routes: #88655 - Upgrade React from
bef88f7c-20260116to41b3e9a6-20260119: #88756 - Use rewritten pathname for implicit cache tags: #88732
- Upgrade React from
41b3e9a6-20260119tod2908752-20260119: #88774 - Add experimental_gesturePush to App Router: #88776
- Rename
rewroteURLtorewrittenPathnamein request metadata: #88751 - Simplify
getImplicitTagsto accept pathname instead of url object: #88753 - Add
NEXT_DEPLOYMENT_IDglobal: #86738 - Turbopack: remove deployment id suffix from client reference manifest chunks: #88741
- Inject
<html data-dpl-id>and don't inline it into JS anymore: #88761 - [metadata] match the Metadata and ResolvedMetadata type: #88739
- Reuse bfcache data during Full prefetches: #88606
- Embed static sibling info in route tree: #88692
- Fix
revalidatePathwith params and trailing slash when deployed: #88623 - fix: preserve cache behavior for PPR fallback shells with root params: #88556
- Upgrade React from
d2908752-20260119tob546603b-20260121: #88860 - stabilize browser log forward options: #88857
- [devtools] Wrap long file names of stack frames in the error overlay: #88886
- [devtools] Fix notch coloring of error overlay in forced colors mode: #88892
- Remove
deploymentIdfrom App RouterRenderOptsPartial: #88866 - feat: implement LRU cache with invocation ID scoping for minimal mode response cache: #88509
- [prebuilt-skew-protection] feat: adding in automatic deploymentId: #88496
- [devtool] Add hydration diff indicator for diff lines: #88919
- Revert "[prebuilt-skew-protection] feat: adding in automatic deploymentId": #88942
- [turbopack] add task type infromation to the print_cache_item_size feature: #88925
- Upgrade React from
b546603b-20260121to24d8716e-20260123: #88963 - Turbopack: add
?dpl=to all asset urls returned by Turbopack: #88828 - feat(next-codemod): add agents-md command for AI coding agents: #88961
- Update font data: #88975
- Improve agents-md prompt to force doc retrieval: #88997
- [Reapply] Add
useEffectEventto disallowed React APIs in Server Components: #88985 - Apply fixes for onBuildComplete and route module: #88831
- Rename
renderOpts.nextExporttoisBuildTimePrerendering: #88951 - docs: fix typos in
README.mds: #89022 - refactor: consume global-error from loader tree: #88437
- Fix chunk loading when using
__turbopack_load_by_url__with query: #88899 - [mcp] change the mcp endpoint response to JSON: #88911
- Reapply "[turbopack] Add bundling support for worker_threads" (#88725): #88967
- fix: ensure LRU cache items have minimum size of 1 to prevent unbounded growth: #89040
- Upgrade React from
24d8716e-20260123to8c34556c-20260126: #89066 - Use null-prototype objects in server actions manifests: #89069
- Re-enable types-and-precompiled: #89070
- Apply segment changes to adapters outputs: #89072
- Improve no response route handler error: #89036
- Limit number of server action arguments to 1000: #89068
- [prebuilt-skew-protection] feat: adding in automatic deploymentId: #88958
- Decouple route stale time from segment-level data: #88834
- Decouple route and segment cache lifecycles: #88989
- [ci] Silence
baseline-browser-mappingwarnings: #89175 - [Cache Components] Prevent streaming fetch calls from hanging in dev: #89171
- React types update: #89110
- [nextjs] feat: removing length requirement: #89173
- add GPTBot to matcher for known bots: #89188
- Ensure
.mdlicenses 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
10680271-20260126to230772f9-20260128: #89250 - Upgrade
tarused 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
- 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
- Improve lock dir error message: #89119
- Ensures
browserslistdoesn't issue outdated warnings forbaseline-browser-mapping: #89287 - Replace build id in Pages data routes with deployment id: #88959
- Upgrade React from
230772f9-20260128toda641178-20260129: #89301 - Inline handler dependencies instead of tracing: #89269
- Turbopack: add
rules.*.typeconfig to allow changing the type of a module: #88788 - Add experimental.varyParams feature flag: #89307
- Fix/zlib mem node: #89099
- Revert "Replace build id in Pages data routes with deployment id (#88959)": #89323
- 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
- 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 - Replace flight navigation build id field with header: #88855
- Upgrade React from
da641178-20260129toed4bd540-20260202: #89401 - Upgrade React from
ed4bd540-20260202tob1533b03-20260203: #89444 - Upgrade React from
b1533b03-20260203to3e00319b-20260203: #89449 - Rename CACHE_ONE_YEAR for clarity and fix usage: #89450
- [Codemod] Fix agents-md on Windows: #89319
- Experimental deferred entries handling: #88347
- Add
experimental.reportSystemEnvInliningfor 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
- Ensure module contexts are always included in adapter traces: #89508
- Don't insert build id comment in HTML: #89478
- Clarify type checking error message: #89525
- Require explicit
cacheLifeon outer"use cache"when nesting short-lived caches: #89481 - [Instant] Instant validation in Dev: #89077
- Upgrade React from
3e00319b-20260203to95ffd6cd-20260205: #89550 - Turbpopack: fix is_persistent_caching_enabled: #89533
- Fix a small doc typo: #89553
- 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
- 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
- Upgrade React from
95ffd6cd-20260205to2dd9b7cf-20260208: #89681 - Include
AggregateError.errorsin terminal output: #88999 - fix(image): findClosestQuality returns 0 for low quality values: #89621
- Upgrade React from
2dd9b7cf-20260208to272441a9-20260209: #89722 - Avoid using unclosing prefetch streams in the browser: #89610
- 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
- 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
- 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
- [AI] Ship bundled docs in next and generate AGENTS.md in create-next-app: #89850
- Turbopack: Implement server hmr in nodejs dev runtime: #89130
- 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 - [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
- Upgrade React from
272441a9-20260209to6066c782-20260212: #89923 - Add a better error message for when turbopack cannot be loaded: #89633
- 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-prerenderis set: #89834 - Append deployment id query string for next-font: #89960
- Fix parallel routes with deferred entries: #89967
- Rename node extension utils for clarity: #89970
- Model abandoning by signal: #89971
- Fix missing incremental cache in middleware unstable_cache: #89980
- Run fast immediates during prerender abort to fix flaky I/O stack traces: #89969
- [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 installednextversion: #89166 - docs: agent skills, pr-status script, and AGENTS.md updates (1/8): #89857
- Ignore
prefetch={true}on Links to routes withinstant: #90061 - Expand deferred entries test suite and fix turbopack build: #90057
- Use StageController for runtime prerendering: #89972
- 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
- [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
- 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
6066c782-20260212to4842fbea-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
- [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
- 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
- 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 - Revert "Handle null history.state in client-side router popstate handler": #90268
- [devtools] Omit empty looking error messages: #90256
- Fix runtime prefetch
isPartialbyte stripping when deployed: #90272 - Upgrade React from
2ba30655-20260219toab18f33d-20260220: #90279 - validate sync IO in generateMetadata according to Page's prefetchable status: #90164
- Turbopack: support Subresource Integrity
: #90152 - segment cache: add test for passing unawaited promise to context provider: #89339
- Fix route.replace crash with --debug-build-paths: #90312
- refactor(app-render): extract stream-ops and debug-channel modules (5/8): #89858
- [turbopack] Consider
ignoreListof 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
- Fix route cache keying for unprefetched navigations: #90400
- Add support for Next.js error telemetry for
AggregateError: #90391 - Fix
config.reactProductionProfilingfor 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-20260220toc0060cf2-20260224: #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
- Fix params leaking into instant navigation shell in dev: #90455
- Limit build workers to pages+1: #90475
- 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_DIRis 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_instantis used in Client Component: #90396 - [test] Fix jest-haste-map warnings: #82995
- Don't require collect-build-traces with Turbopack: #90586
- Enable
experimental.reactDebugChannelby default: #90310 - Less dynamic pages manifest path: #90581
- Upgrade React from
c0060cf2-20260224to98ce535f-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 - Fix edge index page _next/data route: #90611
- Turbopack server hmr: Implement
restartevent: #90550 - Turbopack: Panic if a top-level task attempts an eventually consistent read: #89735
- Fix middleware case with adapters: #90624
- 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 devandnext build: #90603 - tests: Assert dpl query string in all tests for Turbopack: #90592
- [instant] Don't add debug stack to random
unstable_instantexports: #90273 - Adapter: STATIC_FILE.immutableHash: #90045
- Turbopack: experimental.immutableAssetToken: #88607
- remove runInContext callbacks from stream-ops: #90609
- Turbopack: restrict server HMR to app pages: #90663
- 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
- [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
- 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
- docs: error component
unstable_retry(): #89732 - Stub adapterPath with experimental.runtimeServerDeploymentId: #90790
- Conditionally load uncommon paths: #90514
- Refactor extractExportedConstValue to return { value } | null instead of throwing: #90510
- Reimplement code frame rendering in native code: #85592
- [devtools] Bundle for same target as Next.js browser runtime: #90762
- Upgrade React from
98ce535f-20260226to4cc5b7a9-20260303: #90827 - Add
transitionTypesprop tonext/link: #90701 - [otel] fix missing http.route attribute: #90832
- [otel] set parent span name: #90840
- Update default error pages: #90469
- Replace PPR config helpers with cacheComponents checks: #90704
- Cached Navigations: Cache visited fully static pages in the segment cache: #90306
- Remove
isRoutePPREnabledfrom render options and delete dead PPR branch: #90713 - Use page extensions in next-swc transforms applying to pages: #90650
- Cached Navigations: Cache static stage of partially static initial HTML: #90539
- Remove
PrerenderStorePPRtype and allprerender-pprswitch cases: #90721 - Clean up legacy PPR references in test fixtures: #90725
- Cached Navigations: Cache runtime stage data from navigation requests: #90666
- Remove legacy PPR postpone cluster: #90726
- partial fallbacks: add adapter flag: #90395
- Address review feedback: extract modules, clean up imports: #90813
- Add trace spans for turbopack persistence in .next/trace: #90397
- Upgrade React from
4cc5b7a9-20260303to3bc2d414-20260304: #90876 - Fix prefetch inlining build failure with dynamic routes: #90899
- Update
@vercel/ogandsatorivendors: #90933 - Batch require cache deletion to avoid quadratic scanning: #90625
- Revert legacy PPR removal: #90948
- Rewrite instant validation to use depth-based URL boundary discovery: #90905
- Add
experimental.cachedNavigationsfeature flag: #90928 - preserve allowQuery for partial fallback shells: #90887
- Cache runtime data for partially static pages on initial load (resume): #90888
- re-introduce partial fallback -> route upgrading: #89063
- fix: Don't fall through to catch-all when static child subtree doesn't match: #90957
- Bump Node heap limit for lint-no-typescript to avoid OOM in CI: #90996
- Upgrade React from
3bc2d414-20260304to46103596-20260305: #90989 - fix: trigger MPA navigation for server action redirects with build ID mismatch: #89946
- Improve webpack loader error messages and handling: #89698
- Turbopack: implement module.hot.accept(deps, cb) and module.hot.decline(deps): #90443
- partial fallbacks: gate behind experimental flag: #91123
- fix: app-page URL normalization: #91121
- Updates to Instant Navs devtools functionality: #91005
- Trace upload: add git and environment info: #91124
- fix(css): rewrite MiniCssExtractPlugin insert function to ES5 to support legacy browsers: #90556
- Revert "Address review feedback: extract modules, clean up imports": #91159
- [turbopack] Render code frames on the turbopack side: #90534
- Add experimental.lightningCssFeatures config option: #90901
- fix: correct appPaths sort order for parallel routes with route groups: #91160
- Tracing: tag spans as failed if their runner fn fails: #91206
- Adds a Start button to the Instant Navs panel to initiate inspection …: #91216
- Preserve RSC metadata in Proxy request with skipProxyUrlNormalize: #91213
- [cna] Bump
picocolorsto 1.1.1: #91252 - [Instant] Build-time validation: #90964
- [Instant] fix instant config suggested by editor plugin: #91262
- chore(deps): Bump tar from 7.5.7 to 7.5.11 in /packages/next: #91233
- Upgrade React from
46103596-20260305to5e9eedb5-20260312: #91272 - feat(server): expose requestMeta router helpers and merge fallback context: #91235
- [Instant] Show owner stack for validation-blocking errors: #91277
- Hydrate page loads during instant navigation testing: #91207
- perf: use Buffer.from for base64 encoding of binary Flight data: #91221
- Skip dimming when
--inspectis used: #91271 - Respect
generateStaticParamsin instant navigation shell: #91316 - [Prefetch Inlining] Generate size-based hints on server: #90891
- Wire cache handlers in edge paths and add e2e regression coverage: #91236
- Expose edge runtime fields in build-complete: #91239
- [turbopack] Remove
turbo_tasks::functionfrom ModuleReference getters: #91229 - [Turbopack] write route bundle stats to .next/diagnostics/route-bundle-stats.json: #90949
- partial fallbacks: only upgrade shells with remaining prerenderable params: #91158
- partial fallbacks: complete generic shells into more specific shells: #91231
- Add eval and docs for unstable_instant: #91334
- Simplify scroll restoration with shared ScrollRef on CacheNode: #91348
- fix: test-cargo-unit CI job timing out since LTO was enabled: #91424
- fix(build): don't block SSG on telemetry flush, add persistence spans to trace-build: #91335
- Ready in X - prints wrong timing on dev server restart: #90874
- Show generated code from loaders in parse error messages: #89898
- Remove unused layer from server actions manifest: #91425
- Support accessing root params in
generateStaticParams: #91189 - Avoid
undefinedouter work unit store in"use cache": #91190 - Add
unstable_dynamicStaleTimeroute segment config: #91437 - [next-playwright] Use unique cookie values for instant navigation testing lock: #91250
- Add
unstable_catchError()API for component-level error recovery: #89688 - docs(turbopack): Fix all warnings in
cargo doc --no-deps --workspace, and run rustdoc as part of our CI checks: #91339 - Patch improvements into
http-proxylib: #91480 - Disallow Server Action submissions from privacy-sensitive contexts: #91478
- Fix startup warmup for empty-shell app route cache: #91470
- Fix
unstable_catchErrortype inference for fallback props: #91485 - Support accessing root params in
"use cache"functions: #91191 - Fix inconsistent cache life/tags propagation for cache handler hits: #91454
- Upgrade React from
5e9eedb5-20260312toc80a0750-20260312: #91324 - Error when accessing undefined root params in
generateStaticParams: #91519 - Buffer prefetch response before passing to Flight client: #91487
- [Segment Cache] Always upsert on prefetch completion: #91488
- Track vary params during runtime prefetches: #89297
- [react-sync] Allow locking in manual sync: #91509
- Remove devCacheControlNoCache experimental option (hard-code no-cache): #91503
- fix allowedDevOrigins for no-cors requests: #91506
- Remove webpack stats generation from Turbopack: #91515
- Upgrade React from
c80a0750-20260312to3f0b9e61-20260317: #91522 - Move adapterPath from experimental to stable top-level config: #91535
- block disallowed dev origins by default: #91507
- Turbopack: Merge release-with-assertions-no-lto profile into release-with-assertions: #91530
- improve allowedDevOrigins error: #91521
- Add group depth tracking to instant validation boundary discovery: #91208
Documentation Changes
- docs: next experimental-analyze: #87272
- docs: use cache private redo: #87111
- docs: fix highlight in 05-server-and-client-components.mdx: #87347
- Guide: Update
Optimizing Package Bundlingto include new Bundle Analyzer: #87246 - docs: generateMetadata and generateViewport w/ CC: #87218
- docs: tweaks/fixes to papercuts: #87445
- docs: fix typos and clarify examples in Cache Components guide: #87530
- [docs] add get_routes in mcp available tools: #88181
- Update generateMetadata in client component error: #88172
- docs: fix CSP example to only include unsafe-eval in development: #88407
- docs: add useSearchParams and useParams documentation for Pages Router: #88429
- docs: fix Pages Router fonts documentation showing App Router examples: #88326
- doc: add details of mcp client integration: #88543
- Turbopack: query conditions in rules follow-ups: #88801
- Docs: Add Next.js Glossary: #88811
- docs: Server functions rename: #86827
- docs: Update Partytown URLs and package reference: #88928
- docs: improve clarity in cache components and server/client docs: #88946
- docs: revalidatePath w/ rewrites and trailing slash: #88956
- Cache Component Guide: Building public, mostly static pages: #87248
- Turbopack: Add postcss.config.ts support: #89049
- CC Guide: Fix filenames, reduce line breaks: #89065
- docs: fix code highlight in 07-fetching-data.mdx: #88727
- [docs] Always include
unsafe-evalin devContent-Security-Policy: #89163 - Turbopack: add support for turbopackOptional: true: #89227
- docs: Rename Error component to ErrorPage: #89284
- docs: replace 'can not' with 'cannot': #89354
- docs: Fix custom server code snippets: #89400
- Snippet multi package syntax: #89381
- Fix indentation of types of tests in docs: #89409
- docs: Fix syntax in proxy example code: #89395
- docs: fix ISR guide link to res.revalidate: #89342
- Fix spelling in robots.mdx documentation: #89565
- Remove more examples: #89709
- clarify unstable_cache replacement with use cache: #89435
- docs: correct use term: #89438
- [docs] Add
RedirectTypeusage example topermanentRedirect: #89833 - Next CLI flags documentation: #89750
- docs: adapt lead to source path patterns: #89392
- docs: Papercuts Feb26: #89484
- After() docs requests API: #89837
- docs: Move browserToTerminal into logging: #88901
- Update documentation to explain behavior in a Catch-all route: #89742
- docs: add deploymentId config and clarify encryption key for self-hosting: #89795
- docs: adapterPath amends: #89930
- docs: improve next/image localPatterns error page: #89914
- docs: inline-css dev-action oriented: #89064
- docs: document cacheLife expire omission behavior and fix default preset value: #89913
- docs: Activity boundary guide: #89126
- Turbopack: Add inline loader configuration via import attributes: #89644
- docs: fix broken blockquote formatting in API Routes page: #89966
- docs: clarify async instrumentation register request : #90039
- Add AGENTS.md and bundled docs guide: #89973
- In-Depth Explanation of React Version Handling Doc: #89426
- Next.js sticky scroll standards: #90197
- docs: fixes typo in manifest.mdx regarding Route Handler note: #90394
- docs: improve form guide consistency and validation examples: #90361
- docs: rework version staleness: #90192
- docs: clarify that next upgrade is for 16.1.x+: #90435
- Add not-found.js / notFound() links to Status Codes section: #88332
- docs: update with more patterns and decision based: #90203
- docs: add Docker Standalone and Docker Export examples to Deploying page: #90386
- feat: Join guides and frame around UI preservation: #90595
- docs(deploying): add Hostinger Web Apps Hosting to Node.js deployment options: #90246
- docs: fix navigationType value and variable name in useReportWebVitals: #90599
- Accept header content negotiation: #90607
- docs: clarify native <script> usage for JSON-LD in docs: #90380
- Create next app CLI docs: #90788
- Unify caching story across the docs: #90149
- update proxy docs to use NextProxy type: #90647
- Loading layout docs update: #90787
- Uncached data suspense issue: #90450
- docs: explain deploy test custom scripts: #90966
- Update adapters documentation: #90986
- docs: large page data error: #90920
- docs(localFont): enhance details about using the localFont function: #88189
- chore(docs): mention behavior of redirects and remotePatterns: #91151
- docs: More Server Actions security guidance across docs: #90878
- docs: Streaming guide: #90779
- Docs: Split route segment config options into their own files: #90991
- Expose resolved invocation targets in next-routing: #91242
- docs: remove incorrect _document.tsx font example: #91346
- docs:
unstable_catchError(): #89847 - SRI turbopack documentation: #90477
- docs: Clarify ignoreBuildErrors behavior: #91367
Example Changes
- fix: Change Dockerfile.bun to use group/useradd instead of addgroup/user: #87443
- fix(examples): resolve hydration mismatch in blog-starter: #87703
- Update with-mysql example to Next.js 15, Tailwind 4, Prisma 7: #88475
- chore(examples): remove
with-recoilexmaple: #81836 - chore(examples): remove
with-tigrisexample: #81843 - [feat] Added Docker examples for standalone output and export output following best practices: #87069
- Migrate from react-markdown to Streamdown static in EdgeDB example: #86435
- example: restore .next handling for with-docker examples: #90651
- with-docker: add new config file formats: #90731
- example: remove duplicate items in .dockerignore: #91079
Misc Changes
- Turbopack: refactor graph traveral and fix module graph determinism: #87312
- bundle analyzer: remove uncompressed toggle, stabilize top bar ui: #87325
- test: de-flake client-cache deployment tests: #87412
- Revert "Revert "[turbopack] Set
livenessof exports based on assignment analysis (#82802)"": #87214 - ci: track runner name on datadog test reports: #87440
- Turbopack: In CI only persist at the end: #87316
- fix: correct quotes in dev script filter in package.json: #87638
- chore: add a missing period to rspack description: #86526
- [test] Move off of as much
url.parseas possible: #87286 - Update Rspack production test manifest: #87889
- Update Rspack development test manifest: #87888
- chore(turbo-tasks-malloc): replace mimalloc-rspack to mimalloc: #87815
- fix: normalize CRLF line endings in jscodeshift tests on Windows: #88008
- chore: add Claude Code configuration: #87943
- test: reduce flakiness in opentelemetry test for prod mode: #88102
- Rename CLAUDE.md to AGENTS.md with symlink: #88105
- [turbopack] Populate the
namesfield of sourcemaps: #87911 - Turbopack: fix order of breadth first edges: #88117
- Turbopack: transpile CHUNK_SUFFIX: #88128
- chore: add dev boot profiling and benchmark scripts: #87940
- perf: improve stats action reliability and reduce CI noise: #87945
- Update Rspack production test manifest: #88137
- Update Rspack development test manifest: #88138
- Fix compile error when running next-custom-transform tests: #83715
- chore: add Conductor configuration for parallel development: #88116
- fix: move conductor.json to repo root for proper detection: #88184
- Turbopack: Update to swc_core v50.2.3: #87841
- ci: run stats on canary pushes for historical trend tracking: #88157
- perf: improve stats thresholds to reduce CI noise: #88158
- Turbopack: Use batch get request to read more efficient from database: #87106
- Turbopack: improve aggregation update performance: #87317
- Add test creation instructions to agents.md: #88215
- Turbopack: report changed env vars in tracing: #88195
- Turbopack: get rid of some manual self.await-s: #88236
- Guard against Object/Array shadowing in 'use cache' transform: #88229
- feat(turbo-tasks-fs): support multi denied_paths: #88186
- Upgrade to swc 54: #88207
- ci: fix javascript-urls test to account for React 18: #88249
- Turbopack: Remove tokio and turbo-task handles from Invalidator: #88242
- Turbopack: remove Stateful flag: #88196
- Upgrade to rustc 2026-01-04: #88095
- Turbopack: include children count in "task execution completed" span: #87318
- Turbopack: avoid blocking tasks for I/O work: #87661
- Turbopack: flatten trace when it reaches cut off depth: #88118
- Turbopack: remove unused code: #88274
- Turbopack: escape colon in output names: #88273
- [test] Add a failing test for cycle serialization in segment prefetches: #88287
- Turbopack: scope hoisting bug with reexport-self-star: #86131
- Turbopack: Add #[automatically_derived] to proc macros: #88281
- Update Rspack development test manifest: #88260
- Turbopack: Use
format!instead ofanyhow!inside ofanyhow::Context::with_contextcalls: #88293 - Turbopack: pull in updated vercel/nft tests: #88162
- Fix pack-next script for next-swc: #88126
- Turbopack: use correct flags in tests: #88307
- Turbopack: fix task category on reading cells: #88309
- agent.md: Explain where the Next.js core code lives: #88314
- Turbopack: improve next-server.nft.json tests: #88320
- Turbopack: add family to database read span: #88323
- Tests: Reduce loglines from apply patch delay: #88224
- Turbopack: prefetch children too: #88324
- Turbopack: more stale details for tracing: #88306
- Turbopack: make GraphTraversal deterministically calling all nodes before erroring: #88119
- Turbopack: improve error message for incompatible swc plugins: #86346
- Update Rspack development test manifest: #88301
- Update Rspack production test manifest: #88300
- Stats Action: Add ready in time: #88283
- fix: skip stats-aggregate job for docs-only changes: #88330
- docs: add PR description guidance to AGENTS.md: #88408
- ci: Fix retry comments in workflow files: #88412
- [test] Deflake
test/integration/invalid-custom-routes/test/index.test.ts: #88416 - [test] Remove rogue debug log: #88423
- Update AGENTS.md with PR template and test generation requirements: #88417
- Add .cursor/worktrees.json configuration: #88415
- docs: add guidance for code block highlight line numbers to AGENTS.md: #88430
- [turbopack] Compute transitive side effects and use them to trim imports: #86675
- fix(turbo-tasks-backend): use correct TaskDataCategory for is_immutable check: #88331
- perf(turbo-tasks-backend): use DefaultStorage for AggregationNumber to save memory: #88336
- [Turbopack] Move DirList to its own module: #88256
- docs: add rebuild guidance and ICE troubleshooting to AGENTS.md: #88337
- Type-check
run-tests.jsand remove unusedrelatedflag: #88433 - [test] Remove obsolete reference to
NEXT_TEST_SKIP_RETRY_MANIFEST: #88434 - Revert "[Turbopack] Move DirList to its own module": #88441
- [scripts] Avoid conflicting type for
pack-next --compress: #88439 - Update Rspack production test manifest: #88403
- Update Rspack development test manifest: #88404
- [test] Always run all tests without aborting on failure: #88435
- Turbopack: remove sourcemapping comments: #88217
- Turbopack: use mimalloc on Linux musl: #88426
- Turbopack: add support for selective reads of keyed cell values: #88303
- Turbopack: Reduce usage of parse_quote in turbo-tasks-macros: #88454
- Turbopack: don't cell in async map: #88473
- Turbopack: replace is_reference_used with unused_references set: #88304
- Turbopack: add lint rule to not cell in async map: #88474
- Turbopack: Remove dead generic_type_macro code: #88455
- Turbopack: remove unused code: #88497
- Turbopack: improve cell order lint rule: #88498
- Turbopack: parallelize making dependent tasks dirty: #86755
- Turbopack: fix bad performance edge case in production chunking: #88508
- Remove
lerna bootstrapfrom thecleanscript in package.json: #88527 - Turbopack: Clean up
VcRead::Reprassociated type: #88456 - [cna] Avoid error with out-of-box Netlify config: #88546
- [turbopack] Move some of the logic for issue filtering into the rust layer: #88511
- Update Rspack production test manifest: #88469
- Update Rspack development test manifest: #88470
- feat: add TaskStorage derive macro and schema infrastructure: #88338
- [ci] Don't retry/notify for failed deploy tests with custom tarball URLs: #88576
- fix(turbopack): Collect
declare global {}inVarDeclWithTsDeclareCollector: #88568 - Update labeler.json: #88591
- Fix optional
parent_task_idcompile failure w/tokio_tracingenabled: #88598 - Turbopack: support disabling tsconfig lookup: #88529
- Turbopack: run tasks with priority based on distance to leaf: #87662
- Turbopack: avoid removing cells for erroring tasks: #88305
- [ci] Use native
concurrencyfeature in build-and-test: #87287 - Turbopack: unflake unit test: #88620
- Turbopack: snapshot the ModuleGraph to avoid (eventual) inconsistent graphs: #88340
- Turbopack: Consistency for compute_async_module_info: #88409
- Turbopack: follow tracing spans through aggregation update queue: #88410
- Turbopack: avoid chunk_item_id task and use selective cell access instead: #88411
- Turbopack: MappedReadRef should be Send and Sync: #88558
- Turbopack: selective read for module_chunk_groups in ChunkGroupInfo: #88559
- Turbopack: use selective reads for merged modules: #88560
- Turbopack: add caching to chunking: #88561
- Turbopack: use bugs.nextjs.org for Turbopack panic error reports: #88356
- Turbopack: docs: condition.query will ship in 16.2.0, not 16.1.1: #88663
- [turbopack] Add bundling support for worker_threads: #87746
- [cna] Ensure created app is not considered the workspace root in pnpm: #88647
- Revert "[turbopack] Add bundling support for worker_threads": #88725
- [ci] Enable Turborepo remote caching in e2e release deploy tests: #88746
- [test] Deflake
test/development/app-dir/browser-log-forwarding/fixtures/verbose-level/verbose-level.test.ts: #88754 - Fix
Build Commandssection in AGENTS.md: #88757 - [test] Deflake
test/development/app-dir/hydration-error-count/hydration-error-count.test.ts: #88749 - [ci] Exclude
test/productionfrom deploy tests: #88763 - Apply
buildArgsalso for deploy tests (viapackage.json): #88731 - [ci] Ensure Turbo Remote Cache can be written to: #88794
- perf(turbopack): optimize resolve plugin handling: #88639
- Fix buildManifest.js deployment tests: #88806
- [ci] Merge Cache Components and deploy tests manifests when running CC deploy tests: #88824
- Turbopack: Extend filesystem watcher fuzzing to cover symlinks and junction points: #88192
- [test]: add ability to run test-deploy with pre-existing deployment: #88829
- Update deterministic-build assertion: #88820
- Turbopack: shrink amortized: #88619
- Fix deployment test due to data-dpl-id attribute: #88846
- [ci] Fix Rspack/Turbopack test manifest generation: #88845
- Turbopack: show compressed size for print_cache_item_size: #88850
- [test] Fix deploy test of
cache-components.server-action.test.ts: #88854 - Turbopack: Use a real file entrypoint for Workers (and SharedWorkers): #88602
- Turbopack: Add file write invalidation tracking to filesystem watcher fuzzing: #88665
- Turbopack: Move fuzzer for fs watcher into a separate file/module: #88666
- Turbopack: Add a stress test / fuzzer that tries creating many symlinks in a tight loop: #88667
- Turbopack: Make the priority_runner testcase deterministic: #88651
- Turbopack: Various cleanup for turbo-tasks-fs, mostly retry logic and string formatting: #88668
- Turbopack: Tweak retry loop for link creation to try to fix os error 80 on Windows: #88669
- feat: Replace InnerStorage with the generated TaskStorage struct: #88355
- Turbopack: Use webpki-root-certs in addition to rustls-platform-verifier on Linux for bare-bones Linux images without root CA stores: #88869
- refactor: migrate to typed accessors and remove CachedDataItem adapter: #88397
- docs: add skill for updating Next.js documentation: #88656
- Turbopack: [chore] Fix Rust check warnings: #88871
- Create-next-app update message: #88706
- Turbopack: Fix next/font preloading for page.mdx: #88848
- Update Rspack production test manifest: #88882
- [test] Skip failing deploy test in
searchparams-reuse-loading.test.ts: #88821 - [test] Skip flaky
prefetch-runtimetests for deploy tests: #88826 - remove gt workflow from agents.md: #88918
- Turbopack: refactor data storage to avoid reverse task cache: #88492
- Turbopack: change invalidator and immutable to data category: #88889
- Turbopack: reduce cache size: #88929
- fix typo: #88934
- Turbopack: improve module type error message: #88815
- Turbopack: improve selective read support to allow
Equivalentkeys: #88760 - Turbopack: add indirection layer for better caching during resolving: #80062
- Add Graphite workflow Cursor command: #88939
- Update Rspack production test manifest: #88930
- Update Rspack development test manifest: #88931
- Improve performance and token usage of
/ci-failurescommand: #88960 - [Turbopack] Use a presized scratch buffer for task encoding: #88924
- Update Rspack development test manifest: #89004
- Update Rspack production test manifest: #89003
- Turbopack: remove Asset supertrait from Module trait. Modules don't have content: #86416
- [test] Improve deployment skew test for Pages Router data routes: #89038
- Fix react-loadable-manifest chunk hash mismatch by preserving async loader mapping: #88775
- Fix reset deploy project script: #89001
- Revert "Fix react-loadable-manifest chunk hash mismatch by preserving async loader mapping": #89073
- /pr-status (former /ci-failures): fetch PR reviews too: #89082
- Improve /pr-status: comments, argument, avoid full log: #89092
- chore(ci): rename 'new tests' jobs to 'new and changed tests': #89054
- [ci] Exclude tests by filename when merging manifests: #89093
- Turbopack: import with type should be handled via condition: #89035
- Enable pnpm dependency caching in e2e deploy tests: #88953
- [ci] Make
gh auth statusoptional when triggering a release: #89098 - Update Rspack development test manifest: #89084
- tweak LRU sentinel cache key: #89123
- Turbopack: allow key block without hash in SST files: #88938
- Turbopack: Remove unused argument: #80235
- Prettier-ignore changes in
next-env.d.tsfiles in all top-level apps: #89176 - Turbopack: warn when tracing the whole project: #89157
- Add full adapters E2E tests to workflow: #89125
- 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
- Turbopack: change AsyncModulesInfo to use keyed reads: #89216
- Turbopack: selective reads of defined env vars in module analysis: #88759
- 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
- 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
- Turbopack: refactor extend transforms: #89116
- Turbopack: improve print_cache_item_size: #89279
- 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
- Add failing test to deploy-tests-manifest: #89318
- Apply server actions transform to
node_modulesin route handlers: #89316 - [test] Deflake
browser-log-forwarding verbose leveltest suite: #89324 - Turbopack: Move PrettyPrintError to turbo_tasks and add tests: #89280
- Update Rspack production test manifest: #89372
- Update Rspack development test manifest: #89371
- TURBOPACK: support chunk_loading_global method: #88790
- Don't upload build cache for deployment tests: #89432
- Add separate E2E deploy env for turbopack tests: #89458
- Turbopack: Symbol.for and keyFor are sideeffect-free: #89454
- Update Rspack production test manifest: #89423
- Update Rspack development test manifest: #89424
- Turbopack: improve suggestions for experimental.reportSystemEnvInlining: #89486
- Add experimental flag to expose testing API in production builds: #89499
- Proper e2e test of function determinism: #88908
- Turbopack: add turbo-persistence benchmark: #89446
- 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
- Update metadata assertions: #89625
- Update vercel CLI version in flakey deployment-id test: #89652
- 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
_backendfield from TaskGuardImpl: #89015 - [Turbopack] Include CSS URL attributes, including Layer, Media and Supports: #89300
- docs: add task decomposition and verification guidelines: #89640
- Turbopack: Remove old
Vc::try_resolve_*methods in favor of theResolvedVcalternatives: #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
- Update Rspack production test manifest: #89701
- Update Rspack development test manifest: #89702
- [test] Add regression test for segment cache prefetch memory leak: #89756
- Improve not-found-with-pages test: #89538
- 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
- Turbopack: make routes hashes mainfest more incremental: #87107
- [test] Remove references to removed, internal PPR environment variable: #89832
- [test] Enable scroll related tests in Cache Component tests: #83245
- docs: update adapter docs for routing, handlers, and PPR: #89849
- [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
- 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
- Turbopack: Pass asset_suffix_path as Vc: #89899
- [turbopack] Simplify JS
ChunkItemwith a single impl in most cases: #89548 - Change UrlBehavior.static_suffix to ResolvedVc<Option>: #89921
- [turbopack] Add #[derive(ValueToString)] and convert ~45 manual impls: #89788
- Turbopack hmr: fix missing factories: #89934
- Next-api: Check
client_source_mapsbefore generate source map: #89915 - Upgrade to swc 56: #89111
- Turbopack: fix CSS dependency locations: #89761
- Enable backtraces in turbopack integration tests: #89935
- Turbopack: Use
std::any::type_namefor global naming of turbo-task items: #89874 - [turbopack] use type_ids to register turbo task traits on value types: #89964
- Turbopack: Fix flake in task_statistics unit test: #89981
- Turbopack hmr: preserve group factory consistency for compressed modules: #89976
- chore: Don't run build-and-deploy CI job on graphite-base branches: #89982
- Turbopack: Update trybuild test dependency from 1.0.104 to 1.0.116: #89986
- test: Isolate read-only-source-hmr test: #86721
- Upgrade Lightning CSS: #88789
- fix(turbopack): --debug-build-paths fails with route groups: #89336
- test: scope e2e timeouts to startup and per-it: #89929
- Always set adapter deploy env variable: #90064
- [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
- [turbopack] Fix concurrent task lock panic during error formatting: #90056
- Reland "[turbopack] Fix some modification tracking bugs in TaskStorage": #90098
- 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/linknavigation: #89959 - Turbopack: Enable tree-shaking for dynamic imports with destructuring: #89683
- test: Don't run integration tests twice for Turbopack : #83335
- Simplify how
jsonimports work by turning it into a source transform: #89631 - Update Rspack production test manifest: #90120
- Update Rspack development test manifest: #90121
- Turbopack: Update rust toolchain to nightly-2026-02-18: #89974
- Turbopack: Derive
DefaultonPartialProjectOptions, remove sillypartial_project_options_with_debug_build_pathshelper: #90170 - Turbopack: document ModuleSideEffects better: #90132
- [ci]: pin styled-components version in tests: #90194
- [turbopack] Add a simple tool to inspect serialized SST files and report on their contents: #89310
- Upgrade React from
4842fbea-20260217to2ba30655-20260219: #90211 - [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
- [sync-react] Allow syncing React with local build: #90277
- Add PR tarball install note to stats comment: #90316
- Bump Turborepo to 2.8.9: #90079
- 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
- [ci] Stop linting auto-generated next-swc typings: #90390
- Add more known folders to is-folder-empty check in create-next-app: #88218
- [ci] Always upload Turborepo summary artifact: #90441
- tests: reenable escheck-output: #90423
- [test] Deflake
typed-routes-validatorusingtsc: #90451 - test: Cleanup and refactoring: #90454
- [turbopack] Make compression in SST files optional: #89309
- [test] Only auto-retry individual e2e tests in CI: #90464
- 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
- 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 buildand into apnpm build-allcommand: #90543 - Remove revalidation settling period from router-act: #90531
- Turbopack: add webpack loader names to traces: #87230
- Replace mark_root() with #[turbo_tasks::function(root)] flag: #90512
- [test] Deflake
typed-routes-validator: #90562 - [test] Remove
getStackFramesContent: #90571 - Replace
testonlytotestheadlessin 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
- 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_CIinstead ofCIfor e2e test retry guard: #90606 - [test] Skip failing segment-cache deploy test: #90601
- turbo-persistence: drop key compression dictionary from SST files: #90608
- Pre-warm a single NodeJS instance when the next devserver starts: #90174
- Turbopack server HMR: inline source maps for
evaled modules: #90561 - test: Run Adapter e2e tests with Turbopack instead: #90600
- Add MemorySample to Turbopack trace infrastructure: #90597
- Use
VisitMutinstead ofFoldfor debug_instant_stack transform: #90274 - Ensure we only run main test mode with custom deploy script: #90665
- Centralize test timings to fix shard divergence in CI: #90672
- tests: Fix immutableAssetToken extraction: #90668
- turbo-persistence: streaming SST writer for reduced memory usage: #90617
- Add custom cleanup script support for deploy tests: #90696
- Use commit-based tarball URL in PR stats comment: #90709
- [ci] Use commit instead of PR number for preview builds in deploy tests: #90722
- Fix ENOBUFS errors in pr-status.js when fetching large CI logs: #90654
- Publish @next/playwright to npm as part of canary releases: #90738
- 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
- Add static error when
unstable_instantis used withoutcacheComponents: #90793 - enable server action RDC deploy test: #90796
- turbo-persistence: StreamingSstWriter performance and readability improvements: #90692
- pr-status: add reply-thread and resolve-thread subcommands: #90773
- [turbopack] Don't schedule idle snapshots when we are in a short session: #90804
- Update Rust dependencies for turbo-persistence and turbo-tasks-backend: #90774
- Add support for multi-valued tables: #89728
- pr-status: add --wait flag and background execution for /pr-status command: #90687
- exempt data URL CSS from Pages Router global CSS restriction: #89901
- turbo-persistence: add CRC32 block checksums: #90754
- Remove unused turbo-tasks items and add lint check: #90801
- Fix missing const generic parameter in turbo-persistence lookup call: #90817
- Turbopack: add anyhow::Context to turbo-persistence mmap, file open, and decompress operations: #90769
- Update Rspack development test manifest: #90805
- Avoid using TaskTypes as keys in storage instead use hashes: #88904
- Remove leaf segment force-refetch check: #90836
- [turbopack] add a new hasher implementation to eliminate allocations: #89059
- Show labeled steps for
instant()test helper in the Playwright UI: #90664 - [turbotask] Make turbotask function registration const: #90797
- Turbopack: turbofmt/turbobail macros: #90092
- Add Err(anyhow(... ast-grep rule: #90869
- Turbopack: allow resolving TS files in tailwind config: #90046
- Unify Node and Edge externals list: #90819
- chore: add aurorascharff to devex team labeler config: #90866
- Update Rspack production test manifest: #90857
- Update Rspack development test manifest: #90858
- [ci]: continue-on-error for more gh auth status checks: #90890
- Cleanup non-generic assertions in our deploy test suite: #90894
- Turbopack: Tree shaking fixes and code organization: #89295
- tests: Use pnpm dlx to install latest CLI version: #90923
- Turbopack: Fix some eventually consistent reads at the top level in dev-server and snapshot tests: #90792
- Turbopack: Annotate ReadVcFuture as must_use instead of annotating functions that return it: #90839
- Prefix pr-status replies with 🤖 emoji: #90943
- Set DontFork and Unmergeable on all mmap sites in turbo-persistence: #90941
- Turbopack: CompileTimeDefineValue numbers and regex: #90934
- Turbopack: pass reference type to CustomModuleType: #90814
- Fix preview version in
window.next.versionfor PR builds: #90937 - [Evals] Standardize Evals in Next.js: #90883
- TURBOPACK: alias resolve lost query param: #88891
- Update Rspack development test manifest: #90969
- Turbopack: Make
ReadVcFuture::strongly_consistentprivate: #90843 - Fix next-routing header interpolation: #91010
- Turbopack: accept ChunkGroup in entry_chunk_group: #90821
- Turbopack: show specific SWC error messages as error titles: #91022
- Turbopack: correctly use ChunkGroup::Shared: #90978
- Add script to patch project with preview tarball URLs: #91057
- Fix pr-status script missing failed jobs on page 2+ of API results: #91087
- Turbopack: don't panic due to eventual consistency in module merging: #91088
- fix: run lerna on a branch: #91092
- Fix preview tarball script to include @next/swc-linux-x64-gnu: #91099
- Improve unsafe code safety documentation in turbo-tasks-backend: #90755
- docs(contributing): Update setup in contributing/core/developing.md: #91018
- Turbopack: Pass hmr_enabled to ImportMetaBinding: #91118
- docs(turbopack): Copy over turbopack-trace-server docs: #91111
- Turbopack: introduce
ReferenceTypeCondition: #91101 - fix: Use a pnpm preinstall script to fix catch-22 in next binary creation: #91016
- Exclude partial fallback for deploy mode: #91163
- [turbopack] Add support for fixed key blocks: #90844
- [turbopack] Encode task storage directly during persistence (skip clone): #89412
- [turbopack] hashing improvements to turbo-persistence: #90936
- [turbopack] Move empty snapshot filtering into take_snapshot: #90166
- docs(turbopack): Merge old turbo-tasks concept mdbook page with crate's top-level rustdoc: #91120
- Add RDC action test to deploy manifest and update PR test trigger: #91173
- [Turbopack] Don't attempt to compress key blocks containing small keys: #90881
- Lint against
.context(format!(...)): #91122 - fix(turbopack): unref ThreadsafeFunctions to allow Node.js exit after build: #91107
- remove worktrees accidentally committed in #90166: #91215
- Fix syntax contexts in server action transform: #91210
- docs(turbopack): Merge the contents of the "cells" page in the mdbook with our rustdocs: #91126
- TURBOPACK: typescript transform support verbatimModuleSyntax: #90907
- [ci] Disable test-level retries during flakiness detection: #91261
- [cna] Bump vendored
json-schema-types: #91255 - Remove sequential madvise for compressed blocks in StaticSortedFile: #91263
- docs(turbopack): Move mdbook "tasks" docs over to
turbo_tasks::functionrustdoc: #91132 - test-new-tests: enable adapter in deploy flow: #91269
- Revert "Exclude partial fallback for deploy mode": #91172
- [test] Properly log
framereceivedpayload: #91266 - docs(turbopack): Merge task input docs from mdbook into rustdocs: #91136
- bundle-analyzer: merge _app route modules into current route visualization: #90841
- docs(turbopack): Migrate docs about traits from mdbook to rustdocs: #91170
- Remove LMDB backend and ReadTransaction abstractions from turbo-tasks-backend: #91284
- docs(turbopack): Move singleton pattern documentation from mdbook to rustdoc: #91175
- Turbopack: rename CSS module structs for clarity: #91304
- [test] Deflake
instant-navs-devtools: #91256 - Delete blob files during compaction when entries are superseded: #91314
- [test] Resolve stale merge issues: #91329
- Turbopack: Remove the IntoTraitRef trait, make it an inherent method on Vc: #91223
- re-enable RDC deployment tests: #91327
- Use keyed cells for used_exports and export_circuit_breakers in BindingUsageInfo: #91306
- [test] Show decoded binary WebSocket messages in traces: #91308
- Docs skills: guide and api-reference: #90992
- Turbopack: switch chunk/asset hashes from hex to base40 encoding: #91137
- Turbopack: don't emit polyfill chunk for API routes: #91331
- [test] Current behavior for request APIs in
generateStaticParams: #91188 - Update Rspack production test manifest: #91301
- Update Rspack development test manifest: #91300
- Turbopack: Remove old macos-compress script: #90967
- disable sub shell generation test outside of adapter: #91353
- Turboopack: put import attributes behind a pointer, 23% faster analyze: #91347
- Turbopack:
require(/* turbopackChunkingType: parallel */: #91278 - Turbopack: use keyed cell access for AsyncModulesInfo: #91305
- Enable thin LTO for release builds: #91343
- [turbopack] const-ify most of the registration code: #90868
- [test] Improve actions-tree-shaking tests: #91326
- Move database compaction from write batch commit to backend idle loop: #91258
- Turbopack: use ChunkGroupEntry::Shared, part 2: #91279
- [test] More
instant-navs-devtoolsdeflaking: #91345 - Turbopack: Enable server HMR by default for app pages: #91476
- Allow blocking cross-site dev-only websocket connections from privacy sensitive origins: #91479
- Fix DataUriSource description to include "data:" prefix: #91455
- Deflake per-page dynamic stale time test: #91492
- Improve RSC error messages: #90702
- Improve CSS parse error recovery and reporting: #90025
- perf(turbopack-node): zero-copy Buffer transfer from node to rust: #91376
- docs(turbopack-core): Copy "layers" documentation from mdbook to rustdoc: #91350
- Turbopack: correctly apply effects for issue snapshots: #91511
- Turbopack: treat unknown CSS selectors as warnings: #91513
- docs(turbopack): Migrate chunking docs from mdbook, with proof-reading and minor updates from claude: #91472
- Skip catch-error-react-compiler test to unblock CI: #91528
- [turbopack] update qfilter to 0.3.0-alpha: #91467
- Unflake two
"use cache"tests: #91529 - docs(turbopack): Remove old
architecture.mdfile from turbopack crate: #91473 - [turbopack] Share scratch buffer across shards using thread local: #90167
- Turbopack: Use
debug = "line-tables-only"for dev builds: #91539 - Unflake router events deploy test: #91589
Credits
Huge thanks to @icyJoseph, @nextjs-bot, @sokra, @Juneezee, @delbaoliveira, @wbinnssmith, @ztanner, @lukesandberg, @bgw, @naveenkarmegam, @Marukome0743, @pji2918, @nathannewyen, @eps1lon, @ijjk, @feedthejim, @vercel-release-bot, @xusd320, @huozhi, @mischnic, @wyattjoh, @styfle, @timneutkens, @unstubbable, @lubieowoce, @gnoff, @acdlite, @Rani367, @andrewimm, @brookemosby, @karlhorky, @kdy1, @mmastrac, @naaa760, @jgeschwendt, @williambout, @SimeonGriggs, @gaojude, @hanzala-sohrab, @dango0812, @msmx-mnakagawa, @davidgolden, @LucianBuzzo, @devjiwonchoi, @alexcarpenter, @jaffarkeikei, @BradErz, @mintydev789, @Suhaib3100, @pavan-sh, @amannn, @fireairforce, @JamBalaya56562, @wheresrhys, @ericrav, @Thomas465xd, @bgub, @Netail, @robert-j-webb, @bencmbrook, @shadcn, @sigmachirality, @abhishekmardiya, @vvscode, @freek-boon-greenberry, @alubbe, @FurryR, @01-binary, @andrewdamelio, @swarnava, @kristiyan-velkov, @haydenbleasel, @rishishanbhag, @tdarthur, @lavanitha, @agneliutkiene, @Mimori256, @pieh, @sleitor, @jantimon, @clicktodev, @mitul-s, @aurorascharff, @shuding, @jonasherr, @thdxg, @kowyo, @samselikoff, @dependabot, @benfavre, @zamadye, @cursor, and @richardjzhang for helping!