@next/swc-linux-x64-gnu

Misc Changes

• [skills] Mark insight-error-page and next-rspack as internal: #95070
• Turbopack: Fix log box test on react 18: #95078
• Turbopack: Avoid clone when sorting by module file path: #95079
• Fix false-positive export const dynamic in Cache Components detection: #95083
• docs: add Interactive Apps guide: #94020

Credits

Huge thanks to @gaojude, @bgw, @eps1lon, and @aurorascharff for helping!

Misc Changes

• [test] Fix failing determinism test using adapter: #95051
• docs: fix typo in slot-missing-default.mdx: #94531
• [otel] Correctly set error code attributes for App API routes: #94979
• docs: Cache components requires Node.js runtime: #94897
• [scripts] Write pnpm overrides for pnpm projects in pack/patch helpers: #94747
• docs(authentication): add Auth and streaming, fix code fences and imports: #95056
• Statically prerender metadata image routes under Cache Components: #94957
• Upgrade React from b1786c31-20260618 to 247fbb45-20260622: #95063
• codemod: cache-components-instant-false + next-cache-components-adoption skill: #94941
• Remove legacy PPR codepaths: #94955
• skill(next-dev-loop): fix --session flag, agent-browser bootstrap, --headed daemon note: #95005
• Add a global opt-in for the runtime stage of Cached Navigations: #95064
• [turbopack] Rename the edge runtime to the self-contained runtime: #94726
• [turbopack] Sort modules in files by path not ID: #95065
• skill(next-cache-components-adoption): tune skill to mention app router requirement: #95069

Credits

Huge thanks to @mischnic, @parkhojeong, @icyJoseph, @eps1lon, @aurorascharff, @unstubbable, @vercel-release-bot, and @sampoder for helping!

Misc Changes

• Remove embedded Claude Code plugin marketplace: #94877

Credits

Huge thanks to @gaojude for helping!

Misc Changes

• Upgrade to swc 70: #94814
• [turbopack] Sort modules in chunks to reduce duplicates: #94961
• router instrumentation: refactor client hook dispatch (1/7): #94755
• [otel] Add more verbose-mode OTEL spans for App Router: #94894
• Enforce route segment configs on metadata routes under Cache Components: #94962
• typegen: default to Turbopack: #94952
• router instrumentation: add transition start context (2/7): #94766
• fix: after(callback) called after response end: #94974
• fix: request APIs in promises passed to after() in actions/handlers: #94964

Credits

Huge thanks to @mischnic, @sampoder, @feedthejim, @unstubbable, @wbinnssmith, and @lubieowoce for helping!

Misc Changes

• Fix dev overlay hydration error ordering: #94555
• [turbopack] Retry chunk loading on failure: #94918
• Upgrade React from ad78e251-20260616 to b1786c31-20260618: #94951
• [ci] Update playwright to 1.61.0: #94871
• [cd] reduce size of npm metadata on publish: #94953

Credits

Huge thanks to @timneutkens, @sampoder, @vercel-release-bot, @bgw, and @styfle for helping!

Misc Changes

• Scope the Cold cache indicator in dev to shell cache misses: #94911
• Fix Instant Navs DevTools capture bugs and re-enable its test suite: #94866
• docs: fix capitalization of Server and Client Components: #94891
• docs: Fix broken link to Node.js Debugging Guide: #93958
• docs: fix broken Node.js inspector URL in debugging guide: #94934
• examples/with-ably: update to App Router + Ably v2: #94600
• docs: clarify sequential data fetching example: #94930
• docs: GtK, caching with fetch is opt-in - extended to any method or header included: #94899
• [test] Enable metadata-streaming-config for Cache Components: #94936
• fix(dev-overlay): correct open-in-editor path when using a src directory: #94775
• Fix repoRoot for adapters: #94478

Credits

Huge thanks to @unstubbable, @niketchandivade, @gilest, @jahanzaib-iqbal-dev, @owenpearson, @davidgg, @icyJoseph, @eps1lon, @fhfournier, and @mischnic for helping!

Misc Changes

• Let LLMs create less noisy and more focused PR descriptions: #94896
• Avoid re-logging server-originated errors forwarded from the browser: #94917
• [ci] Only install chromium-headless-shell and not chromium: #94882

Credits

Huge thanks to @eps1lon, @unstubbable, and @bgw for helping!

Misc Changes

• [cd] Continue release train if @next/swc-wasm-* fails to publish: #94912

Credits

Huge thanks to @eps1lon for helping!

Misc Changes

• pass --locked to cargo binstall: #94834
• [ci] Use node-version-file when we already have a repository checkout and reduce hardcoded references to node versions: #94780
• [turbopack] Allocate Effects in an arena: #94614
• [turbo-tasks] Shrink RawVc to 8 bytes and CellId to 4 bytes: #94792
• rust react compiler: detect and build for react 18: #94836
• [test] Unflake metadata static routes cache test: #94796
• [test] Recover from a leftover build process on test retry: #94797
• Properly set response-based OTEL attributes with adapters : #94603
• dev-overlay: polish error header layout and instant fix-card chip: #94790
• Upgrade React from 43bcbf80-20260603 to d9158919-20260615: #94826
• Make cacheMaxMemorySize: 0 and custom cache handlers fast in dev: #94784
• [ci] Clean up references to self-hosted runners: #94827
• Fix remaining OTEL issues in adapter: #94817
• Turbopack: improve NFT warning message: #94854
• Add experimental.useExperimentalReact to opt into React's experimental channel: #94861
• Turbopack: improve issue printing colors: #94858
• [turbopack] Update algebra in chunking algorithm: #94873
• [CC] Fix accumulator flushing logic: #94857

Credits

Huge thanks to @lukesandberg, @bgw, @sampoder, @wbinnssmith, @unstubbable, @mischnic, @aurorascharff, @vercel-release-bot, @gaojude, and @lubieowoce for helping!

Core Changes

• chore: upgrade next-rspack to rspack 2.0: #92222

Misc Changes

• docs: Route Handlers to be supported later on: #94705
• [ci] Allow "rerun failed jobs" to work up until 5 days for e2e deploy tests: #94812
• Fix stale next data API test URL: #94815
• Format submillisecond durations as milliseconds: #94813
• Instruct agents to keep and commit the generated agent-rules block: #94725
• [agents-md] Index bundled docs instead of downloading into .next-docs: #94719
• docs: add prefetchInlining config reference: #94650
• Move warnOnce imports into statements guarded by process.env.NODE_ENV === 'development': #94781
• Expand signature rewriting to allow returning ResolvedVc from turbo task functions: #94772
• Move errorOnce imports into statements guarded by process.env.NODE_ENV === 'development': #94782
• Add a message to AGENTS.md about super:: imports.: #94733
• Turbopack: add experimental React compiler support: #94573

Credits

Huge thanks to @icyJoseph, @eps1lon, @devjiwonchoi, @timneutkens, @gaojude, @ifer47, @sampoder, @lukesandberg, @wbinnssmith, and @SyMind for helping!

Misc Changes

• Avoid a premature Suspense fallback flash in the streaming dev render: #94783

Credits

Huge thanks to @unstubbable for helping!

Misc Changes

• [codemod] Write pnpm overrides to pnpm-workspace.yaml on pnpm v11+: #94690
• [ci] Always upload canary tarballs from the canary branch: #94557
• docs: document non-streamed bot rendering and Cache Components: #94605
• [CC] Exclude caches with low stale from static prerenders: #94678
• [CC] Rename shellStage to streamReleaseStage: #94749
• [turbopack] Drop data while serializing in next build: #94561
• [turbopack] Optimize cell_dependency representation: #94717
• [turbopack] Use final_read_hint in top level turbo tasks: #94712
• refactor: process streaming prerenders more efficiently: #94764
• Allow root params in App Shell (client)
• fix: this in edge sandbox setTimeout/setInterval: #94754

Credits

Huge thanks to @eps1lon, @icyJoseph, @lubieowoce, and @lukesandberg for helping!

Misc Changes

• [turbopack] Rename variables in path_join and add tests: #94625
• Warn on prefetch={true} navigation without Partial Prefetching (dev): #94672
• Serve stale 'use cache' entries in the dev server until they expire: #94662
• Re-fetch dynamic content on navigation with partialPrefetching enabled: #94655
• docs: expand the Cache Components migration guide: #94649
• Add Owner Stack to "prefetch={true} navigation without Partial Prefetching" warning: #94683
• [tubopack] migrate rcstr! to use scattered collect: #94498
• Strip internal dev request-id headers from userland headers(): #94703
• Persist 'use cache: private' entries in dev: #94694
• [App Shells] refactor instant-validation to make adding new stages easier: #94711
• migrate turbo-tasks to scattered collect: #94503
• [CC] refactor staged rendering codepaths in params/searchParams: #94718
• [App Shells] Track whether shell prefetch used session data: #94484
• Treat empty resume bodies as dynamic render requests: #94729

Credits

Huge thanks to @sampoder, @acdlite, @unstubbable, @icyJoseph, @eps1lon, @lukesandberg, @lubieowoce, and @gnoff for helping!

Misc Changes

• [turbopack] Enable turbopackFileSystemCacheForBuild by default in non-stable releases: #94616
• Add a cold cache dev indicator: #94611
• instant: build fix-card Copy AI prompt dynamically from title + link: #94637
• Stage short-lived 'use cache' entries correctly in dev: #94645
• docs: next/root-params references on i18n guide: #94629
• [ci] Reduce usage of turborepo cache in build_and_deploy.yml: #94319
• [ci] Download fnm directly from GitHub releases and validate checksum: #94579
• Call register_assignment_scope() in visit_export_default_expr() and visit_export_default_decl(): #94581
• fix: handle shell errors when resuming Node streams: #94668

Credits

Huge thanks to @lukesandberg, @unstubbable, @aurorascharff, @icyJoseph, @bgw, @sampoder, and @gnoff for helping!

Misc Changes

• Rename prefetch option force-runtime to allow-runtime: #94568
• Remove unstable_instant agent hints; insights validate by default: #94577
• [turbopack] Use an arena for JSValues: #94297
• Stabilize export const prefetch: #94571
• Fix node:stream leak in webpack edge bundles: #94585
• docs: fix 'time zone' spelling in FOUC guide: #93244
• docs: add pnpm installation step to module-not-found error page: #93773
• Stream Cache Components dev render instead of restarting on cache miss: #94457
• instant: polish client-hook overlay wording, cards, and docs links: #94496
• Fix Navigation Inspector Continue Rendering with loading.tsx: #94355
• disallow reads from .next-profiles: #94570
• [turbopack] add an extension to trace files: #94587
• [ci] Remove dead playwright docker image creation logic: #94576
• [cd] Ensure release can be triggered on old branches: #94596
• Make router-act ignore App Shell prefetch requests: #94580
• Enable experimental.appShells by default with cacheComponents: #94516
• [turbopack] Lazily allocate the BlockCaches: #94562
• Stabilize catchError and retry by removing unstable_ prefix: #94610
• Revert "Stabilize catchError and retry by removing unstable_ prefix": #94617
• docs: root-params highligth fixes: #94620
• Stabilize unstable_instant: #94578
• docs: remove unstable_disableValidation recommendations: #94608
• doc: instant navs runtime story: #93204
• Reapply "Stabilize catchError and retry by removing unstable_ prefix": #94623

Credits

Huge thanks to @gnoff, @gaojude, @sampoder, @karlhorky, @MikhailStn, @unstubbable, @aurorascharff, @samselikoff, @lukesandberg, @bgw, @eps1lon, @acdlite, @devjiwonchoi, and @icyJoseph for helping!

Misc Changes

• docs: clarify next-env.d.ts regeneration: #94232
• docs: add updateTag example to cacheTag page: #94508
• Remove experimental.useNodeStreams flag as it's enabled: #93938
• Remove dead cacheComponents web streams path: #93944
• [ci] Disable on-call notification if manual deploy e2e tests failed: #94554
• Reduce new test concurrency to five: #94552
• fix(dev-overlay): Tidy up issues/insight menu and tab overlay: #94549
• [turbopack] Remove WebAssembly helpers from the default runtime: #94373
• docs: clarify use cache persistence across deploys: #93554
• enable eviction by default: #94452
• docs: fix onRequestError error type example: #94518
• docs: move insight error pages from vercel/front to canary: #94564

Credits

Huge thanks to @SJvaca30, @aurorascharff, @timneutkens, @eps1lon, @sampoder, @icyJoseph, @lukesandberg, and @danyalahmed1995 for helping!

Misc Changes

• [turbopack] standardize chunk entry names for webpack and postcss loaders: #94256
• Add global config to enable Partial Prefetching: #94448
• Fix: Subtree hints not propagating correctly: #94489
• Partial Prefetching: Default to App Shell only: #94510
• Turbopack: refactor into get_next_client_transforms_rules: #94487
• [cna] Use allowBuilds instead of ignoredBuiltDependencies when using PNPM 11+: #94544
• Turbopack: content hash polyfill sourcemap file: #94548

Credits

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

Misc Changes

• Turbopack: remove EcmascriptParsable::parse_original: #94465
• Turbopack: Add an experimental option for eviction: #94439
• Specialize client hook prerender abort reasons: #94494
• enable eviction on canary: #94451
• Remove turbopackMemoryLimit it is dead: #94483
• [turbopack] Enable Effects to be evicted: #94173

Credits

Huge thanks to @lukesandberg and @gnoff for helping!

Misc Changes

• Revert "[ci] Increase TEST_CONCURRENCY from 8 to 12 (#94138)": #94517

Credits

Huge thanks to @bgw for helping!

Misc Changes

• [turbopack] Treat local const assignments as side-effect free: #94294
• [turbopack] Remove worker helpers from the default runtime: #94372
• Extract App Shell from static prefetches: #94095
• docs: correct wording and casing in turbopack tracing guide: #94469
• Turbopack: refactor ServerActionManifestAsset to be lazy: #94377
• docs: typos and errors outside docs, error, examples folders: #94472
• Update vendored lodash to 4.18.1: #94473
• chore: reword cacheComponents jsDoc to lead with partial prerendering: #94474
• Upgrade React from f0dfee38-20260529 to 43bcbf80-20260603: #94440
• Turbopack: Perform issue filtering without turbo-task functions: #93885
• Keep Instant DevTools locked when opening error overlay: #94357
• Revert "ci: run Linux Playwright jobs in prebuilt Microsoft container (#93794)": #94366
• fix(deps): bump @vercel/nft@1.10.2: #93979
• Simplify turbo-tasks-backend: collapse single-impl traits and remove redundant Arc layers: #93983
• Turbopack: refactor to use get_ecma_transform_rule: #94485
• [ci] Switch release-next-rspack to a more explicit environment name: #94480
• [ci] Set persist-credentials: false for all GH actions: #94214
• Turbopack: fixup cache handler tracing: #94477
• [turbopack] Remove turbotask functions from trait ResolveOrigin: #94324

Credits

Huge thanks to @sampoder, @acdlite, @RazinShafayet2007, @mischnic, @icyJoseph, @timneutkens, @vercel-release-bot, @bgw, @devjiwonchoi, @styfle, and @lukesandberg for helping!

Misc Changes

• make TaskInput::is_resolved inlinable everywhere: #94213
• [App Shells] staged shell rendering in cached navs: #94441
• [App Shells] staged shell rendering during build: #94442
• docs: fix typos in testing.md: #94446
• Keep the dev React debug channel on Node streams end to end: #94433
• test: pin material-ui link fixture dependencies: #94354
• Revert "Keep the dev React debug channel on Node streams end to end": #94459
• [turbopack] Only ship top-level async support in the runtime when needed: #94376
• Reland the debug channel on native Node streams, fixed for React 18: #94462
• Allow unstable_retry from TS plugin check in Next.js Error APIs: #94460
• docs: fix typos in contribution guide: #94375

Credits

Huge thanks to @lukesandberg, @lubieowoce, @RazinShafayet2007, @unstubbable, @timneutkens, @eps1lon, @sampoder, and @devjiwonchoi for helping!

Misc Changes

• docs: add GitHub SSH authentication guidance: #94360
• Deprecate undocumented custom server methods: #94348
• Trace cacheHandler and cacheHandlers when using adapters: #94197
• refactor: make stage advancing logic more generic: #94349
• docs: document Cache Components behavior for navigation hooks: #94387
• fix: build hangs if sync IO aborts before root chunk is flushed: #94365
• refactor: make early/late checks stricter: #94358
• refactor: remove delayUntilRuntimeStage: #94350
• DiskFileSystem: store Effect full_path as Arc<Path>: #94332
• refactor: indicate which stage is the last stage in staged prerenders: #94430
• [CC] add shell stages: #94438
• instant: prompts on all fix cards, [group]-tagged CLI bullets, new docs slugs: #94017
• [turbopack] Add BumpVec (vector implementation that takes a Bump): #94296
• Ensure aborting has the same inputs as render: #94436
• [App Shells] App shells in runtime prefetches: #93801
• [turbopack] Optimize TaskInput implementations: #94202

Credits

Huge thanks to @timneutkens, @lubieowoce, @aurorascharff, @sokra, @sampoder, @eps1lon, and @lukesandberg for helping!

Misc Changes

• Upgrade React from c0cd4d5d-20260527 to f0dfee38-20260529: #94245
• Turbopack: fix pages index normalization for --debug-build-paths: #94341

Credits

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

Misc Changes

• [cd] Stop fetching all tags when searching for ancestor tag: #94302
• chore: lint-language output only warnings and errors: #94261
• DiskFileSystem: run write effects on a spawned task: #94140
• Disable default-case ESLint rule for type-checked TypeScript files: #94316
• Handle a purged browser cache on back navigation: #94317
• Persist debug channel via IndexedDB without blocking hydration: #94243
• Fix debug channel not closing on the client with Node streams: #94268
• refactor: use named arguments for StagedRenderingController: #94345
• Avoid bundling HMR refresh reducer in production: #94305
• Remove the instantNavigationDevToolsToggle flag: #94322
• doc: clarify rewrites execution order: #93765
• docs: update draftMode guide: #94155
• docs: cached functions from the client: #94301
• skip render dev overlay ux under private flag: #94346
• Turbopack: fix bundle-analyzer for NFT change: #93363
• Devirtualize the backend api inside of turbo_tasks and turbo-tasks-backend: #94007
• Delay Node Fizz piping until after render task: #94347
• Enable Node streams by default: #94311
• [tests] Use snapshots in debug-build-paths: #94352
• Turbopack: support turbopackIgnore on more traced calls: #94361
• [turbopack] Treat assignments to module.exports as side-effect free: #94293
• instant: enable navigation validation by default: #94312
• Turbopack: Move turbo-tasks/src/raw_vc.rs to turbo-tasks/src/vc/raw.rs: #94239

Credits

Huge thanks to @eps1lon, @icyJoseph, @sokra, @unstubbable, @lubieowoce, @timneutkens, @samselikoff, @huozhi, @mischnic, @lukesandberg, @sampoder, @aurorascharff, and @bgw for helping!

Misc Changes

• Switch TotalOrderF64 to f64 in ConstantNumber to correctly handle NaN === NaN and 0 === -0 inside the Turbopack analyzer: #94172
• Use serde_json::Number in CompileTimeDefineValue and remove TotalOrderF64: #94177
• docs: bodySizeLimit measures raw HTTP body: #94137
• Update ctor from 0.10 to 1.0.6: #94045
• Include --port in next internal query-trace startup hint and help example: #93961
• Turbopack: refactor NFT to add Endpoint.traced_files: #94224
• Turbopack: show codeframe when tracing too much: #94207
• fix(instrumentation): await instrumentation in RouteModule.prepare: #94306
• [turbopack] Function pointers are copy: #94273
• docs: accuracy and pappercuts: #94299

Credits

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

Misc Changes

• Turbopack analyzer: analyze ternaries + promises in string & nullish methods: #94187
• [turbopack] Break up graph.rs in the analyzer into smaller files: #94211
• [turbopack] Add explain() methods to WellKnownObjectKind and WellKnownFunctionKind: #94217
• [turbopack] Handle negative numbers as constants in the analyzer: #94218
• [turbopack] Use ast_path.kinds() instead of mapping over ast_path in the analyzer: #94221
• [CLI] Exit non-zero with a clear message when next typegen fails: #94241

Credits

Huge thanks to @sampoder and @gaojude for helping!

Misc Changes

• Exclude static metadata and viewport from error recovery prerender when cache-components is enabled: #94134
• [turbopack] Shrink ReadRawVcFuture from 80 to 64 bytes: #94201
• [turbopack] Move WellKnownObjectKind & WellKnownFunctionKind into well_known/kinds.rs in the analyzer: #94209
• [turbopack] Move require.context-related code into a seperate file in the analyzer: #94210

Credits

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

Misc Changes

• Update shortcircuit_if_known to eval_shortcircuit(): #94163
• Remove dead code from JsValue::Binary in is_truthy: #94165
• Produce valid file URLs for import.meta.url on Windows in Turbopack: #94179
• [turbopack] Store TaskDirtyCause in Dirtyness and pass to NativeFunction::span: #94057
• Turbopack: cleanup ModuleHotReferenceAssetReference: #94206
• [feat] updated the documentation for deployment to point to new next.js Docker official guide.: #94185
• docs: correct custom server optimization guidance: #94229
• Add Errors/Insights tab split to the instant error overlay: #94073
• Replace VcStorage with real TurboTasks in tests/benches : #93955
• Redesign the unrendered-segment instant validation overlay: #93879
• turbopack tracing: add chunk_name to get HMR events span: #94061
• Turbopack: reduce hmr chunk list subscriptions: #94062
• [turbopack] Separate JsValue into it's own folder in the analyzer: #94208
• feat(image-optimization): add experimental flag imgOptOperationCache: #94246

Credits

Huge thanks to @sampoder, @sokra, @mischnic, @kristiyan-velkov, @timneutkens, @aurorascharff, @lukesandberg, @wbinnssmith, and @styfle for helping!

Misc Changes

• docs: fix code examples in getting-started guides: #93273
• [CC] Streaming prerender: #94044
• test: skip flaky instant-nav-panel tests: #94196
• [CC] Avoid unnecessary conversions to a stream: #94192
• test: fix next-after-app-static: #94195
• Propagate adapter preferred regions: #94123
• [ci] Update all actions/* dependencies: #94174
• Consolidate Resume Data Caches and partially revert #88556: #94194
• Fix 'use cache' bail-out under unstable_instant = false: #94198
• Turbopack: use module graph for NFT: #92901
• Turbopack's analyzer: always treat promises as truth-y and non-nullish: #94186

Credits

Huge thanks to @StanislavKozachenko, @lubieowoce, @timneutkens, @bgw, @unstubbable, @mischnic, and @sampoder for helping!

Misc Changes

• Fix short circuit evaluation of AND / OR in the Turbopack analyzer for string & nullish-related methods: #94159
• Turbopack: fix instrumentationClientInject with type:module: #94184
• [test] Add test for static metadata files and generateStaticParams: #93465
• Align issue triage guidance with automated behavior: #94189

Credits

Huge thanks to @sampoder, @mischnic, @eps1lon, and @timneutkens for helping!

Misc Changes

• ServerActionsGraph: pass ModuleGraphLayer as OperationVc: #94141
• [ci] Explicitly disable package-manager-cache for uses of actions/setup-node: #93953
• Bugfix: Incorrect search params stored in cache: #94144
• Upgrade ast-grep: #94150
• docs: transpilePackages usage: #93602
• [Skills] next-cache-components-optimizer: clarify private-cache scope rule: #94113
• [ci] Increase TEST_CONCURRENCY from 8 to 12: #94138
• Upgrade React from 75b0945b-20260526 to c0cd4d5d-20260527: #94161
• Remove extra word: #94160
• [ci] Give the build cache in cache in build_and_deploy a more obvious name, not just a hash and run number: #93957
• docs: move isr cacheHandler callout to next steps: #94167
• [ci] Rename GRAPHITE_TOKEN to GRAPHITE_CI_OPTIMIZER_TOKEN: #94166
• Fix default regex for require.context in Turbopack analyzer: #94162
• [ci] Use Turbopack in non-webpack-specific e2e test jobs: #94005

Credits

Huge thanks to @sokra, @bgw, @acdlite, @mischnic, @icyJoseph, @gaojude, @vercel-release-bot, @igorbabko, and @sampoder for helping!

Core Changes

• Revert "Revert "refactor: write pages router export files directly to server/pages/"": #93409

Misc Changes

• Turbopack: make available_modules an OperationVc and simplify merged module bookkeeping: #94055
• chore: release @next/rspack-core 1.0.3: #94116
• Improve notFound recovery in error pathway: #94037
• Turbopack: Fix unsound IntoIterator for ReadRef<T>: #94122
• [ci] Skip installing native binaries when fetching test timings: #93593
• [ci] Reserve comments for stats and tests: #93240
• docs: vocabulary-bridge rule for api-ref and guide skills: #94127
• docs: rework dynamic segments intro section: #94126
• [ci] Fix the playwright-chromium Dockerfile: #94064
• Fix Firefox refresh loop on initial load of streaming pages in dev mode: #94128
• Upgrade React from d5736f09-20260507 to 75b0945b-20260526: #94131
• Prefetch App Shells on the client: #93999
• [ci] Add an AGENTS.md for GitHub Actions: #94056
• docs: add next/root-params API reference: #93764
• docs: ISR w/ Cache Components - experimental.partialFallbacks: #93299
• [ci] Resize tiny jobs in integration_tests_reusable.yml to use smaller machines: #93886

Credits

Huge thanks to @sokra, @SyMind, @gnoff, @timneutkens, @eps1lon, @icyJoseph, @bgw, @unstubbable, @vercel-release-bot, and @acdlite for helping!

Misc Changes

• Replace next-ppr-optimizer with next-cache-components-optimizer: #94035
• [Skills] next-dev-loop: persist login state across loops: #94105
• Fix errors.json merge driver to handle gaps in error codes: #93829

Credits

Huge thanks to @gaojude and @sokra for helping!

Misc Changes

• [Skills] Mark backport-pr and create-pr as internal: #94076

Credits

Huge thanks to @gaojude for helping!

Misc Changes

• Add next-dev-loop and next-ppr-optimizer skills: #93943
• test: migrate webdriver callers to next.browser: #93941
• Revert "Include PPR routes in dynamicRoutes regardless of revalidate time": #94032
• Fix pr-status job pagination: #94049
• Prerender static metadata under dynamic segments to canonical pathname: #93873
• Instant navs devtools revamp: #94027
• Add Chromium-only Playwright image publisher: #94051

Credits

Huge thanks to @gaojude, @timneutkens, @gnoff, and @samselikoff for helping!

Misc Changes

• [ci] Add an TURBO_TASKS_AVAILABLE_PARALLELISM environment variable that overrides std::thread::available_parallelism callsites: #93995
• Make --debug-build-paths work with src/ directory projects: #94016
• ci: run Linux Playwright jobs in prebuilt Microsoft container: #93794
• Revert "Prerender HTTP access fallbacks with Cache Components semantics": #94018
• Respond to App Shell prefetches on the server: #93998
• [turbopack] Disable ctor under RA: #94022
• Upgrade rustc to nightly-2026-05-15: #94021
• Turbopack: don't crash the dev server when node_modules/next is briefly unresolvable: #93877
• Include PPR routes in dynamicRoutes regardless of revalidate time: #94025
• Enable experimental.varyParams by default: #94010
• Enable experimental.optimisticRouting by default: #94011
• Enable experimental.cachedNavigations by default with cacheComponents: #94012
• Update font data: #94006
• [ci] Set TURBO_TASKS_AVAILABLE_PARALLELISM to 4 in most e2e tests: #93996

Credits

Huge thanks to @bgw, @unstubbable, @timneutkens, @acdlite, @lukesandberg, @mischnic, @gnoff, and @vercel-release-bot for helping!

Misc Changes

• Enable mimalloc in benchmarks: #93388
• Turbopack: fix subpath imports pointing to external packages: #93308
• Turbopack: fix error reporting with crashing webpack loaders: #93926
• docs: instrumentationClientInject: #93913
• Fix Yarn berry tests: #93962
• Polish instant fix cards and validation messages: #93894
• Add deployable tarballs to pack-next: #93963
• fix(devtools): detect VS Code renamed macOS binary in launch-editor: #93971
• turbo-tasks: task-storage memory wins: #93720
• Add backport PR skill: #93973
• Turbopack: respect the module-sync export condition: #93970
• use the action cache for passing tests: #93954
• devlow-bench: percentile-based comparison and run retries: #93950
• @vercel/devlow-bench: 0.3.5 → 0.4.0: #93951
• [test] Prerendering HTTP access fallback pages with Cache Components: #93987
• Prerender HTTP access fallbacks with Cache Components semantics: #93988
• Add experimental.appShells feature flag: #93997

Credits

Huge thanks to @lukesandberg, @mischnic, @aurorascharff, @timneutkens, @wbinnssmith, @unstubbable, and @acdlite for helping!

Core Changes

• Add nextConfig.instrumentationClientInject: #93785
• Add MCP compile_route tool: #93337
• [turbopack-trace-server] Add memory samples to the mcp tool results: #93338

Misc Changes

• docs: update agent test guidance: #93924
• Add create PR skill: #93937
• Use node streams for server inserted HTML: #93934
• Remove vercel approvers: #93921
• [otel] honor traceparent for verbose mode spans: #93874
• Fix cross-param leak with prefetch={true} and cachedNavigations: #93940
• Enable rootParams by default: #93863
• devlow: add run sampling snapshots and comparison reports: #93833
• Allow inspecting prerender worker again: #93947
• make rcstrs on the heap/static slightly smaller: #93805
• Stop pinning compiled chunk source on EcmascriptBuildNodeChunkVersion. : #93807
• [turbopack] Add trace metadata about the persist size: #93339

Credits

Huge thanks to @timneutkens, @mischnic, @gnoff, @kakadiadarpan, @unstubbable, @wbinnssmith, and @lukesandberg for helping!

Core Changes

• [Turbopack] Add graph-based CSS chunking algorithm behind experimental.cssChunking: "graph": #93606

Misc Changes

• Convert more tests from createNext -> nextTestSetup: #93799
• turbopack: emit assets before duplicate check in emit_assets: #93875
• [test] split og-api test suite into default and standalone variants: #93915
• Pass projectDir to adapter modifyConfig: #93916
• Distinguish in-navigation errors in the instant error overlay: #93843
• Eval next.config export functions in the try catch: #93884
• Rename TaskExecutionReason::Initial to Root: #93922

Credits

Huge thanks to @timneutkens, @sokra, @unstubbable, @mischnic, @aurorascharff, and @lukesandberg for helping!

Misc Changes

• turbo-tasks: prioritize recomputed tasks with Recomputation priority: #93876

Credits

Huge thanks to @sokra for helping!

Core Changes

• Redesign dev overlay: cleaner shell + instant fix-card guidance: #93755

Misc Changes

• Trace middleware/proxy source files in webpack NFT pipeline: #93871

Credits

Huge thanks to @unstubbable and @yavorpunchev for helping!

Core Changes

• [turbopack] fix feature usage telemetry: #93100
• Add an info panel for the existing "Cache disabled" indicator: #93756
• Convert test/integration to isolated tests: #93247
• Extend instant error overlay to metadata, viewport, and sync IO errors: #93287
• Turbopack: expose hashes of source files to adapters: #93539
• bfcacheId: Opt out of state preservation: #93633
• Honor Suspense-above-body opt-in for dynamic generateViewport: #93759
• Add next internal static-routes-info CLI command: #93399
• Craigandrews/ensure isr lru is written if requests collapsed: #93766
• Fix catch-all router.query corruption with basePath + rewrites: #93294
• Surface invalid dynamic usage errors via Flight in dev: #93706
• Upgrade React from dd453071-20260506 to d5736f09-20260507: #93702
• Show inner "use cache" as cause of nested-dynamic cache error: #93707
• Fix server action forwarding loop with middleware rewrites: #93792
• Instant Insights: When unable to complete validation provide a filename for the unvalidated boundary: #93770

Example Changes

• [examples] migrate cloudinary to vercel-blob: #93762

Misc Changes

• Turbopack: don't generate next-server.js.nft.json with adapters: #93684
• Repo: Add gh stack skill: #93705
• Fix React 18 tests: #93763
• docs: clarify cacheTag limit - it is per call: #93768
• docs: devIndicators with usage example: #93784
• Convert tests using createNext -> nextTestSetup: #93767
• Turbopack: fix lock-order inversion between Storage::map and Storage::snapshots: #93788
• [turbopack] Enforce root attribute for strongly consistent reads and collectibles: #93114
• Fix Turbopack worker_threads URL resolution: #93432
• docs: less aggressive AI agent hint for an experimental API: #93811
• docs: fix typos and links: #92541
• docs: less aggressive AI agent hint for an experimental API: #93814
• Patch playwright-core to resolve _finishedPromise on requestFailed: #93802
• Revert "[test] Skip flaky cached-navigations tests": #93798
• fix: GNU xargs warns about incompatible --replace/--max-args: #93821
• fix: renumber non-sequential errors in errors.json: #93824
• simplify session dependent tasks (#91729): #93227
• fetch: respect HTTP Cache-Control headers with TTL-based invalidation (#91729): #93228
• [CC] fix: cachedNavigations missing asyncApiPromises in resumes: #93827
• Fix Date.now() cause shadowing in sync IO error overlay: #93857
• Mark .agents/skills as internal so external npx skills add hides them: #93856
• Instant Insights: only report non-validatable if dev render is error free: #93858
• Remove partialFallbacks config flag: #93859
• Fix warning in new apps caused by incorrect image dimensions: #93826

Credits

Huge thanks to @lukesandberg, @mischnic, @unstubbable, @timneutkens, @aurorascharff, @icyJoseph, @acdlite, @christopherkindl, @sokra, @gnoff, @publictheta, @gaojude, @unclebay143, @lubieowoce, @vercel-release-bot, and @samselikoff for helping!

Misc Changes

• Proof of concept: task eviction after snapshot for turbo-tasks-backend: #91790

Credits

Huge thanks to @lukesandberg for helping!

Core Changes

• Remove redundant instant navigation prefetch header: #93713
• Instant Insights: Favor reporting errors from all potential navigations over reporting a failed attempt to validate when a slot is missing: #93714

Misc Changes

• CI speed improvements: #93411

Credits

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

Core Changes

• Stabilize unstable_io: #93621
• Use Next.js version as Turbopack persistent cache versioning key: #93605
• feat(turbopack): add chunkLoadingGlobal config option: #93488
• fix(devtools): render nested error messages with HotlinkedText: #93620
• Fix: Improved rewrite detection during optimistic routing: #93619
• Fix "type: module" in project dir when using standalone or adapters: #93612
• Instant Insights: favor reported errors over missing slots: #93709

Misc Changes

• Trace-server: Fix bottom up, and reduce allocations in turbopack-trace-server bottom-up grouping: #93460
• turbopack: reschedule stale tasks with correct invalidation priority: #92897
• [ci] Also pin first-party GH actions: #93609
• Remove ineffective turbo-tasks: #91341

Credits

Huge thanks to @gnoff, @sokra, @tim123abc, @aurorascharff, @acdlite, @timneutkens, @bgw, and @lukesandberg for helping!

Core Changes

• Hold cacheSignal across unstable_cache foreground revalidation: #93617
• Encode non-ASCII characters in cache tags at construction: #93601

Credits

Huge thanks to @unstubbable for helping!

Core Changes

• [devtools] Force ANSI colors on overlay code frames regardless of TTY: #93550
• Turbopack: Match proxy matchers with webpack implementation: #93594
• Track searchParams access through a Proxy to catch missing-key reads: #93549
• Cherry-pick ghsa commits to canary: #93614

Misc Changes

• docs: escape literal triple-backticks in contribution guide: #93584
• [test] Pin package manager to patch versions: #93592
• turbo-rcstr: replace rcstr! macro_rules with proc macro: #93551
• Turbopack: Fix middleware matcher suffix: #93590
• Turbopack: Change DynEffect::dyn_value to DynEffect::value_hash, a simple u128: #93552
• [ci] Ensure graphite_ci_optimizer fails open even if github fails to fetch the action: #93615

Credits

Huge thanks to @aurorascharff, @icyJoseph, @eps1lon, @lukesandberg, @timneutkens, @unstubbable, and @bgw for helping!

Misc Changes

• perf(ecmascript): shrink JsValue 64→32 bytes: #93106
• Order loader tree imports by tree depth: #93537
• Turbopack: more strict vergen setup: #93541

Credits

Huge thanks to @mmastrac, @sokra, and @mischnic for helping!

Core Changes

• Disable instant validations in draft mode: #93472

Misc Changes

• Drop ReferencedAsset::from_resolve_result as a turbotask: #93297
• Turbopack: Cache effect errors, replace the write_lock Mutex with a lazily created Notify instance: #93476

Credits

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

Core Changes

• Refactor: Decouple request store creation from req / res: #93499
• Detect 'use cache' module-scope deadlocks early in dev: #93500
• Bundle the 'use cache' deadlock probe worker: #93538
• Support configuring a default instant validation level : #93301
• Upgrade React from f4e0d4ed-20260429 to dd453071-20260506: #93547

Misc Changes

• [turbopack] shrink the size of futures: #93474
• [turbopack] Simplify local task tracking: #93478
• [turbopack] correct a fencepost error in our inline string descision: #93524
• Turbopack: make rcstr! macro expansion const: #93516
• Turbopack: lazy aggregation optimize via persistent pending flag: #93454
• docs: remove unreachable forms and mutations: #93509
• docs: broken link from usePathname compat call out: #93528
• Turbopack: really fix MAX_INLINE_LEN: #93531
• [ci] Clarify new preview build flow: #93540
• Turbopack: simplify asset ident constructors: #93213

Credits

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

Core Changes

• Fix dev mode reload and error on back navigation between Next.js pages: #93486
• Fix double-encoding of URL pathname parts in client param parsing: #93491
• Don't suppress usage of deprecated TypeScript compilerOptions: #93377

Misc Changes

• [ci] Move Turbopack, Rspack and font data workflows off of RELEASE_BOT_GITHUB_TOKEN: #93455
• [ci] Migrate React sync off of RELEASE_BOT_GITHUB_TOKEN: #93456
• [ci] Create unique preview build versions for canary previews: #93490
• docs: clarify proxy runtime history: #93467
• Turbopack: fix import_usage for functions behind member expressions: #93504
• [ci] Ensure pnpm store cache is only filled when pnpm install runs: #93508
• Update unstable_prefetch and unstable_instant docs to reflect current API shape: #93514
• [ci] Remove unused setup-nextjs-build.yml workflow: #93512

Credits

Huge thanks to @eps1lon, @unstubbable, @armando-andre, @mischnic, and @gnoff for helping!

Core Changes

• Upgrade React from da9325b5-20260417 to f4e0d4ed-20260429: #93457
• Bump @vercel/ncc: #93459
• Include deployment id in cacheHandlers keys: #93453
• fix(next/image): Improve error message for private IP (SSRF) rejections: #91686

Misc Changes

• Upgrade to swc 65: #93325
• [test] Ensure target page is compiled before navigation in instant-navs-devtools: #93365
• [ci] Allow configuring the base URL for preview builds: #93464
• turbo-tasks-backend: fix snapshot coordination races + extract SnapshotCoordinator: #93416

Credits

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

Misc Changes

• Drop once_cell from all direct crate deps: #93095
• Replace Lazy<FxHashMap> static lookups with phf::Map: #93096

Credits

Huge thanks to @mmastrac for helping!

Core Changes

• Revert "Revert "Node.js streams: Add forkpoint for prerenderToStream"": #93376
• Fix streaming in draft mode for cache components: #93417

Misc Changes

• trace-server: shrink_to_fit LazySortedVec after sorting: #93361
• feat(metadata): support non-standard directives in robots.ts via other: #93206
• [turbo-trace-server] optimize loading even more: #93332

Credits

Huge thanks to @sokra, @timneutkens, @lukesandberg, and @samselikoff for helping!

Misc Changes

• [test] Preserve Playwright traces on every failure: #93366
• [ci] Add support for private preview builds: #93375
• Fix deploy tests crashing under AI coding assistants: #93394
• Remove leftover Turbopack manifests: #93398
• [ci]: remove PR creation from deploy test workflow: #93400

Credits

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

Core Changes

• Honor the route-level expire value with blocking revalidation: #93211
• Turbopack: add experimental.turbopackWorkerAssetPrefix to keep Workers same-origin when assetPrefix is a CDN: #93271
• chore: bump postcss to 8.5.10: #93288
• Enable server HMR for metadata routes (manifest.ts, robots.ts, etc.): #93110
• [next/image] Only fire onError once: #93209
• fix: handling of falsey values in error boundaries: #93134
• Update upload trace url: #93350
• enable validateRSCRequestHeaders by default: #93367
• Deprecate edge runtime: #93369
• Only log partytown setup error once: #93378

Misc Changes

• turbo-tasks: precompute trait-impl vtables at compile time: #93092
• Report OS memory pressure in TurboMalloc and trace samples: #93333
• Speed up native postinstall script: #93312
• Turbopack: remove unused module references: #93335
• Turbopack: remove ModuleResolveResultItem::OutputAsset: #93349
• [test] Suppress build when preparing next for cache hits: #93355
• [test] Fix broken terminal output: #93357
• Turbopack: delete unused turbo-static crate: #93324
• fix a snapshot encoding error that could happen under concurrent mutation and snapshotting: #92658
• Update 05-server-and-client-components.mdx: #93374
• docs: clarify rendering flow in Server/Client interleaving example: #93381
• [test] Stop building fresh packages for every test: #93380

Credits

Huge thanks to @mmastrac, @unstubbable, @GuinsooRocky, @sokra, @eps1lon, @mischnic, @maximecolin, @lukesandberg, @wbinnssmith, @lubieowoce, @timneutkens, @ztanner, @zana-abdi2002, and @icyJoseph for helping!

Core Changes

• Apply sourcemaps by default during prerender in next build: #93280
• Fix route handler SWR blocking on Node runtime: #93189
• [ci]: fix release script to not strip newlines: #93302
• Forward invalid dynamic usage errors on client-side navigations: #93184
• HMR: debounce status indicator transitions to prevent flicker during bursts of changes: #93229
• ci: Fix caching of test-cargo-unit: #93327
• Turbopack: pull in updated vercel/nft tests: #93321

Misc Changes

• Turbopack: compute exports without full analysis: #92823
• Turbopack: cheaper check in map_next_dynamic: #93283
• [turbo-tasks-backend] Single-item optimization for lost follower operations: #93200
• Fix export * as X from './self' in scope-hoisted modules: #93192
• [ci]: Use macOS arm runner for intel builds: #93330
• Turbopack: only compute module ids for included modules: #93276
• Turbopack: iter_reachable_modules: #93315
• Turbopack: add failing test for cross-module side-effect inference: #93323
• Turbopack: also add edge count to trace: #93314
• [turbopack-trace-server] optimize loading: #93264
• [rust-deps] Update tokio: #93195

Credits

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