next

Core Changes

• Update vendored lodash to 4.17.23 to fix CVE-2025-13465: #91558
• Fix invalid HTML response for route-level RSC requests in deployment adapter: #91541
• Normalize encoded dynamic placeholders in app routes: #91603
• Fix(pages-router): restore Content-Length and ETag for /_next/data/ JSON responses: #90304
• Update tokio from 1.43.0 to 1.47.3: #90945
• [turbopack] Simplify snapshotting logic: #91178
• Turbopack: enable server HMR for app route handlers: #91466
• turbo-tasks-backend: batch find_and_schedule_dirty using for_each_task_meta: #91497
• [turbopack] Use bail! instead of panic! for duplicate module ident error: #91636
• Skip loadBindings() Lightning CSS check during next start: #91538
• turbo-tasks-backend: batch schedule dirty tasks in aggregation_update: #91461
• Turbopack: Add importModule() support to webpack loaders: #89630
• turbo-persistence: fix mmap page alignment and improve error context in MetaFile::open_internal: #91640
• turbopack-css: demote recoverable CSS parse warnings to Warning severity: #91524
• feat(node-streams): add config flag, define-env, and env precedence test: #90427
• Rename /_next/webpack-hmr to /_next/hmr: #91415
• Add per-slot error attribution for instant validation using slot markers and config depth preference: #91610
• Handle encoded params further: #91627
• [turbopack] Respect {eval:true} in worker_threads constructors: #91666
• Fix missing route in otel spans without base-server: #91665
• [turbopack] Optimize compaction cpu usage: #91468
• Fix layout segment optimization: move app-page imports to server-utility transition: #91701
• Fix server actions in standalone mode with cacheComponents: #91711
• turbo-persistence: remove Unmergeable mmap advice: #91713
• turbopack: move "compact database" tracing span to backend layer: #91693
• Turbopack: lazy require metadata and handle TLA: #91705
• Fix adapter outputs for dynamic metadata routes: #91680
• Turbopack: fix webpack loader runner layer: #91727
• [turbopack] Remove incorrect debug_assert in try_read_task_cell: #91699
• Add module count field to module graph tracing spans: #91697
• turbopack-cli: add --persistent-caching flag for filesystem-backed cache: #91657
• Turbopack: pull in updated vercel/nft tests: #91651
• [turbopack] Improve regressed build speed on cross-compiled MUSL: #91477
• [Segment Bundling] [Scaffolding] Ensure inlining hint correctness: #91320
• [Segment Bundling] [Scaffolding] Track which segments can be omitted from prefetch: #91438
• Avoid deprecated TS node10 moduleResolution defaults: #91847
• [turbopack] Rebuild the docker build scripts: #91799
• Fix TS6 baseUrl deprecation for extended tsconfig: #91855
• Add next internal post-build CLI command for Turbopack database compaction: #91336
• Turbopack: Define Effect as a trait instead of a closure: #89080
• Turbopack: Implement TraceRawVcs and NonLocalValue correctly for Effects: #89133
• turbo-tasks-backend: improve print_cache_item_size instrumentation: #91742
• Turbopack: switch from base40 to base38 hash encoding (remove ~ and . from charset): #91832
• Use charCodeAt for normalizePathTrailingSlash: #91380
• Turbopack: Only patch lockfile when bindings fails to load: #91379
• [create-next-app] Skip interactive prompts when CLI flags are provided: #91840
• [devtools] Make instant navs panel draggable: #91914
• [Segment Bundling] Bundle static prefetches based on size: #91439
• turbo-tasks-backend: assert non-transient task_ids in track_modification: #91924
• fix(turbopack): preserve resolveExtensions priority in read_matches fast path: #91856
• turbopack: Remove Vc::resolve(), migrate all callsites to Vc::to_resolved(): #91725
• turbo-tasks: add hashed cell mode for hash-based change detection without cell data: #91576
• [cna] Upgrade to Biome 2.4 with Tailwind support: #86065
• [devtools] Show AggregateError.errors in the error overlay: #91835
• Narrow the opengraph-image function return type: #91893
• [experiment] Add useOffline flag with offline retry behavior: #92011
• adapters: remove unused suffix code: #91997
• [experiment] Add useOffline hook to expose offline state to userland: #92012
• [turbopack] Don't use turborepo to build the docker image: #92029
• Use RcStr directly in napi(object) structs instead of converting to String: #92014
• Rename SingleModuleReference::asset to SingleModuleReference::module: #92028
• Revert "turbo-tasks: add hashed cell mode for hash-based change detection without cell data": #92103
• [ftl] Include cause of route types: #92056
• fix: handle file:// URLs from import.meta.resolve in cache handler path (fixes #73796): #90370
• Turbopack: exclude metadata routes from server HMR: #92034
• next.config.js: Accept an option for serverFastRefresh: #91968
• TURBOPACK: support parse windows absolute path with single slash: #92076
• Enable varyParams tracking for Cached Navigations: #92113
• telemetry: set turboFlag correctly: #92149
• Instant Validation: Allow unconfigured slots to render optionally: #92126
• Turbopack: statically evaluate path.sep: #92150
• Turbopack: use same hash for immutable-static-hashes.json: #92157
• [turbopack] replace regex with indexof: #92023
• Turbopack: createRequire(new URL("...", import.meta.url)): #92153
• Add PPR evals and fix env loading for agent-eval 0.9.5: #92063
• Turbopack: support targeting even older browsers: #91563
• Add rust-fingerprint task and SCCACHE passthrough env: #92167
• Improve error message for deprecated experimental.dynamicIO config: #92081
• [turbopack] Fix CSS HMR on Safari: #92123
• simplify session dependent tasks and add TTL support: #91729
• disable bmi2 in qfilter: #92177
• Improve revalidateTag JSDoc to include guidance about required second parameter: #92176
• fix: pin 19 actions to commit SHA, extract 7 expressions to env vars: #92016
• partial fallbacks: adapter support for intermediate shells: #91902
• Turbopack: trace fs.readdir calls: #92148
• feat: add NEXT_HASH_SALT env var for content-hash filename salting: #91871
• Fix DashMap read-write self-deadlock in task_cache causing hangs: #92210
• [turbopack] use a single query parameter for cache busting: #92214
• Generate a CLI warning if using Rosetta 2 on Apple Silicon: #92220
• remove the loop from StaticSortedFile::lookup: #91688
• Add telemetry for adapterPath config usage: #92228
• Node.js streams: First pass: #90500
• fix: preserve HTTP access fallbacks during prerender recovery: #92231
• Remove unnecessary ALS re-exports from entry-base.ts: #91527
• Allow multi-level .localhost subdomains in dev origin check: #92262
• turbo-tasks-backend: stability fixes for task cancellation and error handling: #92254
• Add MCP get_compilation_issues tool and NAPI method: #92062
• Add view transitions eval (agent-043): #92260
• [turbopack] optimize RcStr parsing: #91773
• Ensure app-page reports stale ISR revalidation errors via onRequestError: #92282
• Move streamToUint8Array back to node-web-streams-helper.ts: #92263
• Revert "simplify session dependent tasks and add TTL support (#91729)": #92320
• fix: add @deprecated annotation to experimental.useCache: #92316
• Improve existing dev server error message to suggest using it: #92317
• Restart the next dev server if .next is deleted: #92135
• Update Rust toolchain to nightly-2026-04-02: #92288
• Turbopack: Remove FileSystemPath::value_to_string in favor of ValueToStringRef::to_string_ref: #92284
• [turbopack] use zero copy qfilter deserialization: #90574
• feat: add experimental.swcEnvOptions for SWC preset-env configuration: #92272
• Turbopack: Dedupe our two filesystempath extension/extension_ref functions: #92048
• turbo-tasks: replace async resolve fns with custom Future types (ResolveRawVcFuture, ResolveVcFuture, ToResolvedVcFuture): #91554
• next-core: deduplicate output assets and detect content conflicts on emit: #92292
• Handle edge runtime in places that import node:stream: #92354
• Fix fallback route params case in app-page handler: #91737
• use sorted inserts to improve builder performance: #91553
• Allow for parsing app route strings with and without slot names.: #92327
• fix(server-hmr): metadata routes overwrite page runtime HMR handler: #92273
• turbo-persistence: optimize file syncing: #90542
• Turbopack: Remove turbo_tasks::apply_effects, use Effects::apply instead: #91858
• Turbopack: Add a check for node version before allowing workerThreads: #91614
• turbo-persistence: skip BlockCache for uncompressed (mmap-backed) blocks: #92390
• Include more context in macOS Rosetta 2 warning message: #92436
• change the process name of builds: #92411
• turbo-persistence: pin referenced BlockCache entries to prevent eviction: #92361
• Fix styled-jsx race condition: styles lost due to concurrent rendering: #92459
• turbo-tasks: fix hashed cell mode crash on task error (re-land #91576): #92108
• Fix sst inspect tool to respect CURRENT and stale sst files: #92414
• Optimize how we track data for persistence: #89370
• [turbopack] add family name to many spans: #92415
• Route Handlers: Fix devRequestTimingInternalsEnd and Turbopack server HMR: #92271
• next-routing: middleware matching and app request URL normalization: #91859
• turbo-persistence: Use AtomicBool for is_empty() to avoid lock contention: #92481
• fix: mention params and searchParams in blocking-route error messages: #92360
• CPU prof: Write profiles to .next-profiles instead of .next/cpu-profiles: #92078
• Turbopack: Write trace file to .next-profiles: #92189
• feat: generate root params types: #91019
• fix: resolve function configs in unstable_getResponseFromNextConfig: #92501
• Node.js streams: Fork points: #92252
• Turbopack: Add --internal-trace cli flag: #92190
• Fix minimumReleaseAgeExclude for React and friends: #92535
• Add experimental unstable_io() API behind experimental.unstableIO flag: #92521
• Update React from 74568e86-20260328 to 404b38c7-20260408: #92536
• Turbopack: switch from immutable token to path prefix: #92164
• [build info]: distinguish between PPR and fully static routes in gSP: #92518
• [build info]: omit symbol from top level gSP route: #92525
• turbo-tasks-backend: prevent duplicate task restores with restoring bits: #92389
• Add next internal upload-trace: #92191
• Request logging: Fix generate-params time being included in next.js time: #91386
• fix: scope "Pages Router only" comment to default export in next/error: #92566
• Turbopack Build: Remove dev fouc from production bundle: #80935
• Turbopack: Improve unable to resolve next error: #91394
• fix(hmr): reconnect WebSocket after sleep/wake: #91416
• Handle target option in React Compiler for Pages + React 18: #91500
• Replace wasmer with wasmtime for SWC plugin WASM engine: #91533
• turbopack: fix incremental build when module factories are restored from persistent cache: #92569
• [turbopack] Rust dependency caching via sccache: #91873
• trace: detect rage restarts and deleted .next dirs: #92489
• [turbopack] fix a debug_assert failure: #92581
• Don't swallow strings thrown in Server Components: #92592
• Fix NextFontIssue IssueStage: CodeGen → Resolve: #92588
• Node.js streams: Add forkpoint for CacheComponents: #92444
• Resolve compilerOptions.paths in tsconfigs without compilerOptions.baseUrl: #92277
• Turbopack: extract inline base64 decode helper to shared @turbopack/base64 module: #92549
• Add codemod command to middleware deprecation warning: #92532
• turbopack: move CSS module composes validation from code generation to resolving: #92582
• Drop turbo_tasks::function from ValueDebug trait items: #92593
• [partial fallbacks]: enable by default: #92627
• Turbopack: fix filesystem watcher config not applying follow_symlinks(false): #92631
• Turbopack: cut number of client references in half: #92607
• Remove a ton of turbo task functions from Issue trait items: #92623
• feat(turbopack): add LocalPathOrProjectPath PostCSS config resolution: #91338
• feat(turbopack): change DiskFileSystem root to Vc for portable cache: #92603
• Turbopack: remove unused ChunkableModules struct: #92606
• Fix segment explorer file pill accessibility: #92608
• Disable sccache temporarily: #92657
• Delete some dead turbo task functions: #92596
• Node.js streams: Add forkpoint for error recovery: #92457
• turbo-tasks: Drop output_dependent on immutable task completion: #92683
• Turbopack: properly remove unused TS enums with scope hoisting: #88205
• fix(server-actions): skip type-only ExportNamed in pre-pass to prevent phantom registerServerReference: #92494
• Turbopack: Add import.meta.glob support (Vite compat): #92640
• turbo-tasks: Fix recomputation loop by allowing cell cleanup on error during recomputation: #92725
• TURBOPACK: support crsossOriginLoading: #92070
• Compiler: Support boolean and number primtives in next.config defines: #92731
• Fix prefetch hints not being loaded during revalidation: #92625
• Exclude trace files from directory deletion in builds: #92486
• Switch segment prefetch cache miss response from 204 to 404: #92751
• Ensure x-nextjs-data header is only set during resolve: #92752
• feat(trace-server): add query CLI and MCP API to turbopack-trace-server: #92030
• Improve error stacks for dynamic API usage in "use cache": #92736
• Node.js streams: Add forkpoint for continueDynamicHTMLResume: #92471
• Node.js streams: Add forkpoint for generateDynamicFlightRenderResult: #92474
• Node.js streams: Add forkpoint for generateStagedDynamicFlightRenderResult: #92509
• Add unstable_prefetch route segment config and decouple runtime prefetching from unstable_instant: #92754
• feat(turbo-tasks-backend): gate prepare_tasks_with_callback trace span behind feature flag: #92779
• Update next versions of internal apps: #92666
• turbo-persistence: stop background persisting after unrecoverable failure: #92106
• Stop using deprecated downlevelIteration: #92652
• Disable build caches for production/staging/force-preview deploys: #92792
• Fix turbo cache flag: use --force: #92796
• Fix devlow-bench: tsconfig rootDir mismatch with package.json bin: #92800
• Scope Safari ?ts= cache-buster to CSS/font assets only (Pages Router): #92580
• Enable wasm plugins on windows arm: #92544
• prefetchInlining: fix build crash on notFound() pages: #92806
• turbopack: gate ValueDebugFormat and ValueDebug behind debug_assertions: #92628
• Add TurboMalloc::thread_park() to flush and collect on thread park: #92804
• Stop using deprecated baseUrl: #92653
• Turbopack: Use FrozenMap for module export information: #92802
• Turbopack: remove webpack chunk detection: #92773
• Turbopack: refactor ESM codegen generation: #92777
• Fix monorepo @next/swc binary postinstall: #92813
• webpack: fix swcPlugins with relative paths: #92770
• Turbopack: shorter error for ChunkGroupInfo::get_index_of: #92814
• Turbopack: properly set NODE_ENV for SWC plugins: #92579
• Node.js streams: Add forkpoint for logMessagesAndSendErrorsToBrowser: #92510
• Node.js streams: Add forkpoint for createCombinedPayloadStream: #92511
• Node.js streams: Add forkpoint for renderWithRestartOnCacheMissInValidation: #92512
• Node.js streams: Add forkpoint for prerenderToStream: #92513
• Turbopack: shorter error message for ModuleBatchesGraph::get_entry_index: #92828
• Turbopack: refactor export analysis: #92781
• fix(trace-server): default MCP port to --port + 1 to avoid conflicts: #92831
• Revert "Node.js streams: Add forkpoint for prerenderToStream": #92845
• Turbopack: remove StarImportAnalyzer: #92830
• Turbopack: analyzer improvement followups: #92834
• Turbopack: move assignment_scopes computation into ImportMap: #92835
• Warn for non-deterministic "use cache" args during final prerender: #92820
• Turbopack: Use lld again on ARM64 glibc Linux: #92860
• turbopack: cache TransformPlugin in narrow-scoped turbo-tasks functions: #92842
• Allow overriding outputHashSalt in modifyConfig: #92856
• Support type cast expressions in page static info extractor: #92837
• turbo-tasks: add info_span for blocking waits during task restore: #92878
• Fix dev mode hydration failure when page is served from HTTP cache: #92892
• [devtools] Preserve full code frames in browser overlay: #92621
• Enable prefetchInlining by default: #92863
• Turbopack: Use an async lock in the filesystem watcher: #92906
• Replace deprecated moduleResolution: "node": #92654
• turbo-tasks: Reduce allocations on cache hits: #92756
• fix(next/image): ensure images.maximumResponseBody applies to local images too: #92920
• rename MagicAny: #92918
• turbopack: reduce EffectStateStorage memory by storing u128 content hashes: #92902
• turbo-trace-server: reduce allocation overhead when loading large trace files: #92896
• Turbopack: optimize SelfTimeTree performance, memory usage, and fix range query boundaries: #92931
• remove flag guarding unstable_io: #92923
• Support more prefetch configuration options: #92859
• Improve deduping of concurrent 'use cache' invocations: #91830
• [partial fallbacks]: include prefetch requests in shell upgrade handling: #92894
• Redesign blocking route dev overlay and build errors: #92638
• Switch to cargo-binstall and pre-built sccache binaries: #92911
• Remove prefetch from instant config: #92761
• Improve "make root node" trace attributes: #92941
• Use existing commitId for tarball URL in stats action: #92899
• Use OIDC for CodSpeed: #93059
• Restore dev-mode cache-fill timeout for 'use cache': #93055
• Make 'use cache' fill timeout configurable: #93070
• Strengthen _rsc cache-busting param: #92755
• turbo-tasks: drop once_cell, const-init TRAIT_METHOD, ctor WORKER_TASKS: #93090
• Patch setHeader for direct route handlers: #93101
• [turbopack] Persistent last_successful_parse: #92852
• [turbopack] Unify Cell Storage: #92974
• fix(use-cache): remove awaiting revalidation: #92636
• [turbopack] Fix max_level_hint to return most verbose per-target level: #93128
• feat(turbopack): add NEXT_TURBOPACK_TRACING_PATH to control trace output location: #93084
• Turbopack: move import_usage computation into ImportMap: #92891
• Turbopack: unify ModuleGraph constructors: #93203
• Turbopack: move get_inner_asset into ecmascript module: #93191
• [turbopack] drop TransientState: #92853
• instant(): Block out-of-band client fetches: #93099
• [next/image] Stop using deprecated url.parse: #93208
• Suspend dynamic route params in dev instant shell: #93108
• Recognize super(...) messages in Error subclass constructors: #93182
• [turbopack-trace-server] Performance improvements for span event handling: #93179
• Preserve __NEXT_ERROR_CODE across the /_error page handoff: #93183
• Reduce allocations in the next_debug_instant_stack transform: #93222
• Apply sourcemaps by default during prerender in next build: #93280
• Turbopack: compute exports without full analysis: #92823
• Turbopack: cheaper check in map_next_dynamic: #93283
• Fix route handler SWR blocking on Node runtime: #93189
• [turbo-tasks-backend] Single-item optimization for lost follower operations: #93200
• Fix export * as X from './self' in scope-hoisted modules: #93192
• Turbopack: only compute module ids for included modules: #93276
• Forward invalid dynamic usage errors on client-side navigations: #93184
• HMR: debounce status indicator transitions to prevent flicker during bursts of changes: #93229
• 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: pull in updated vercel/nft tests: #93321
• [turbopack-trace-server] optimize loading: #93264
• turbo-tasks: precompute trait-impl vtables at compile time: #93092
• 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
• 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
• Turbopack: delete unused turbo-static crate: #93324
• fix a snapshot encoding error that could happen under concurrent mutation and snapshotting: #92658
• 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
• Update 05-server-and-client-components.mdx: #93374
• Only log partytown setup error once: #93378
• Remove leftover Turbopack manifests: #93398
• trace-server: shrink_to_fit LazySortedVec after sorting: #93361
• Revert "Revert "Node.js streams: Add forkpoint for prerenderToStream"": #93376
• feat(metadata): support non-standard directives in robots.ts via other: #93206
• [turbo-trace-server] optimize loading even more: #93332
• Fix streaming in draft mode for cache components: #93417
• Drop once_cell from all direct crate deps: #93095
• Replace Lazy static lookups with phf::Map: #93096
• Include deployment id in cacheHandlers keys: #93453
• fix(next/image): Improve error message for private IP (SSRF) rejections: #91686
• turbo-tasks-backend: fix snapshot coordination races + extract SnapshotCoordinator: #93416
• 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
• Turbopack: fix import_usage for functions behind member expressions: #93504
• [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
• Detect 'use cache' module-scope deadlocks early in dev: #93500
• Turbopack: really fix MAX_INLINE_LEN: #93531
• Bundle the 'use cache' deadlock probe worker: #93538
• Support configuring a default instant validation level : #93301
• Turbopack: simplify asset ident constructors: #93213
• Disable instant validations in draft mode: #93472
• 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
• Order loader tree imports by tree depth: #93537
• Turbopack: more strict vergen setup: #93541
• [devtools] Force ANSI colors on overlay code frames regardless of TTY: #93550
• turbo-rcstr: replace rcstr! macro_rules with proc macro: #93551
• Turbopack: Fix middleware matcher suffix: #93590
• Turbopack: Match proxy matchers with webpack implementation: #93594
• Track searchParams access through a Proxy to catch missing-key reads: #93549
• Turbopack: Change DynEffect::dyn_value to DynEffect::value_hash, a simple u128: #93552
• Cherry-pick ghsa commits to canary: #93614
• Hold cacheSignal across unstable_cache foreground revalidation: #93617
• Encode non-ASCII characters in cache tags at construction: #93601
• Stabilize unstable_io: #93621
• Use Next.js version as Turbopack persistent cache versioning key: #93605
• Trace-server: Fix bottom up, and reduce allocations in turbopack-trace-server bottom-up grouping: #93460
• feat(turbopack): add chunkLoadingGlobal config option: #93488
• turbopack: reschedule stale tasks with correct invalidation priority: #92897
• 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
• Remove ineffective turbo-tasks: #91341
• 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
• Proof of concept: task eviction after snapshot for turbo-tasks-backend: #91790
• [turbopack] fix feature usage telemetry: #93100
• Turbopack: don't generate next-server.js.nft.json with adapters: #93684
• Add an info panel for the existing "Cache disabled" indicator: #93756
• 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
• Turbopack: fix lock-order inversion between Storage::map and Storage::snapshots: #93788
• [turbopack] Enforce root attribute for strongly consistent reads and collectibles: #93114
• Add next internal static-routes-info CLI command: #93399
• Craigandrews/ensure isr lru is written if requests collapsed: #93766
• Fix Turbopack worker_threads URL resolution: #93432
• Patch playwright-core to resolve _finishedPromise on requestFailed: #93802
• Fix catch-all router.query corruption with basePath + rewrites: #93294
• 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
• Surface invalid dynamic usage errors via Flight in dev: #93706
• Show inner "use cache" as cause of nested-dynamic cache error: #93707
• fetch: respect HTTP Cache-Control headers with TTL-based invalidation (#91729): #93228
• [CC] fix: cachedNavigations missing asyncApiPromises in resumes: #93827
• Fix server action forwarding loop with middleware rewrites: #93792
• Instant Insights: When unable to complete validation provide a filename for the unvalidated boundary: #93770
• Fix Date.now() cause shadowing in sync IO error overlay: #93857
• 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
• Trace middleware/proxy source files in webpack NFT pipeline: #93871
• Redesign dev overlay: cleaner shell + instant fix-card guidance: #93755
• turbo-tasks: prioritize recomputed tasks with Recomputation priority: #93876
• [Turbopack] Add graph-based CSS chunking algorithm behind experimental.cssChunking: "graph": #93606
• turbopack: emit assets before duplicate check in emit_assets: #93875
• 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
• Use node streams for server inserted HTML: #93934
• Add nextConfig.instrumentationClientInject: #93785
• 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
• Add MCP compile_route tool: #93337
• [turbopack-trace-server] Add memory samples to the mcp tool results: #93338
• Stop pinning compiled chunk source on EcmascriptBuildNodeChunkVersion. : #93807
• [turbopack] Add trace metadata about the persist size: #93339
• Turbopack: fix subpath imports pointing to external packages: #93308
• Turbopack: fix error reporting with crashing webpack loaders: #93926
• 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
• Turbopack: respect the module-sync export condition: #93970
• devlow-bench: percentile-based comparison and run retries: #93950
• Prerender HTTP access fallbacks with Cache Components semantics: #93988
• Add experimental.appShells feature flag: #93997
• Make --debug-build-paths work with src/ directory projects: #94016
• 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
• 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
• Revert "Include PPR routes in dynamicRoutes regardless of revalidate time": #94032
• Prerender static metadata under dynamic segments to canonical pathname: #93873
• Instant navs devtools revamp: #94027
• Add Chromium-only Playwright image publisher: #94051
• Replace next-ppr-optimizer with next-cache-components-optimizer: #94035
• Fix errors.json merge driver to handle gaps in error codes: #93829
• Turbopack: make available_modules an OperationVc and simplify merged module bookkeeping: #94055
• Improve notFound recovery in error pathway: #94037
• Turbopack: Fix unsound IntoIterator for ReadRef: #94122
• Fix Firefox refresh loop on initial load of streaming pages in dev mode: #94128
• Prefetch App Shells on the client: #93999
• ServerActionsGraph: pass ModuleGraphLayer as OperationVc: #94141
• Bugfix: Incorrect search params stored in cache: #94144
• Remove extra word: #94160
• Fix default regex for require.context in Turbopack analyzer: #94162
• Fix short circuit evaluation of AND / OR in the Turbopack analyzer for string & nullish-related methods: #94159
• Turbopack: fix instrumentationClientInject with type:module: #94184
• Align issue triage guidance with automated behavior: #94189
• [CC] Streaming prerender: #94044
• [CC] Avoid unnecessary conversions to a stream: #94192
• Propagate adapter preferred regions: #94123
• 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
• 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
• 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
• 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
• 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
• 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
• 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
• 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
• Avoid bundling HMR refresh reducer in production: #94305
• Remove the instantNavigationDevToolsToggle flag: #94322
• 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
• 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
• Turbopack: fix pages index normalization for --debug-build-paths: #94341
• Deprecate undocumented custom server methods: #94348
• Trace cacheHandler and cacheHandlers when using adapters: #94197
• fix: build hangs if sync IO aborts before root chunk is flushed: #94365
• DiskFileSystem: store Effect full_path as Arc: #94332
• [CC] add shell stages: #94438
• [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
• make TaskInput::is_resolved inlinable everywhere: #94213
• [App Shells] staged shell rendering in cached navs: #94441
• [App Shells] staged shell rendering during build: #94442
• Keep the dev React debug channel on Node streams end to end: #94433
• 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
• Allow unstable_retry from TS plugin check in Next.js Error APIs: #94460
• [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
• Turbopack: refactor ServerActionManifestAsset to be lazy: #94377
• Update vendored lodash to 4.18.1: #94473
• Turbopack: Perform issue filtering without turbo-task functions: #93885
• Keep Instant DevTools locked when opening error overlay: #94357
• 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
• Turbopack: fixup cache handler tracing: #94477
• [turbopack] Remove turbotask functions from trait ResolveOrigin: #94324
• 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
• [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
• Remove experimental.useNodeStreams flag as it's enabled: #93938
• Remove dead cacheComponents web streams path: #93944
• fix(dev-overlay): Tidy up issues/insight menu and tab overlay: #94549
• [turbopack] Remove WebAssembly helpers from the default runtime: #94373
• enable eviction by default: #94452
• Rename prefetch option force-runtime to allow-runtime: #94568
• [turbopack] Use an arena for JSValues: #94297
• Stabilize export const prefetch: #94571
• Fix node:stream leak in webpack edge bundles: #94585
• Stream Cache Components dev render instead of restarting on cache miss: #94457
• Fix Navigation Inspector Continue Rendering with loading.tsx: #94355
• [turbopack] add an extension to trace files: #94587
• 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
• Stabilize unstable_instant: #94578
• Reapply "Stabilize catchError and retry by removing unstable_ prefix": #94623
• [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
• Call register_assignment_scope() in visit_export_default_expr() and visit_export_default_decl(): #94581
• fix: handle shell errors when resuming Node streams: #94668
• [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
• 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
• [codemod] Write pnpm overrides to pnpm-workspace.yaml on pnpm v11+: #94690
• [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
• Allow root params in App Shell (client)
• fix: this in edge sandbox setTimeout/setInterval: #94754
• Avoid a premature Suspense fallback flash in the streaming dev render: #94783
• Format submillisecond durations as milliseconds: #94813
• 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
• Turbopack: add experimental React compiler support: #94573
• pass --locked to cargo binstall: #94834
• [turbopack] Allocate Effects in an arena: #94614
• [turbo-tasks] Shrink RawVc to 8 bytes and CellId to 4 bytes: #94792
• dev-overlay: polish error header layout and instant fix-card chip: #94790
• Make cacheMaxMemorySize: 0 and custom cache handlers fast in dev: #94784
• 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
• trace-server: render read progress in place on a terminal: #94879
• Turbopack: Add an OrdResolvedVc wrapper type: #94875
• Turbopack: don't run NFT for output:export or Edge: #94862
• react-compiler: don't emit diagnostics as issues: #94874
• Turbopack: fix tracing of sharp@0.35: #94845
• Support vary params rewinding: #94809
• [App Shells] Allow root params in app shells: #94738
• Rename experimental.useExperimentalReact to blockingSSR: #94869
• Fix non-RSC router prefetch handling: #94553
• Log partialPrefetching during startup: #94822
• Avoid re-logging server-originated errors forwarded from the browser: #94917
• Scope the Cold cache indicator in dev to shell cache misses: #94911
• fix(dev-overlay): correct open-in-editor path when using a src directory: #94775
• Fix repoRoot for adapters: #94478
• Fix dev overlay hydration error ordering: #94555
• [turbopack] Retry chunk loading on failure: #94918
• [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
• Remove embedded Claude Code plugin marketplace: #94877
• [otel] Correctly set error code attributes for App API routes: #94979
• Statically prerender metadata image routes under Cache Components: #94957
• codemod: cache-components-instant-false + next-cache-components-adoption skill: #94941
• Remove legacy PPR codepaths: #94955
• 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
• 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
• Serve ISR fallback shells in response to prefetch requests: #94534
• Insights: drop irrelevant fix cards from instant errors: #94926
• Navigation inspector UI updates: #94959
• Turbopack: Delete dead AttachedFileSystem type: #94960
• Opt Partial Prefetching routes into the runtime stage of Cached Navs: #95097
• Fix #95015 by pulling a fix to scattered-collect: #95098
• Release the instant navs lock without clearing the whole cookie jar: #94947
• Compute dev fallback params from the most-specific prerendered route: #95066
• Consider merging chunks when overlap == 1: #95102
• [turbopack] Add support for single-entry chunks: #94727
• Turbopack: add TURBOPACK_DEBUG_CSS_CHUNKING env var: #95080
• Keep the resolved cache life for cacheMaxMemorySize: 0 caches in dev: #95100
• Avoid mutating req.headers when stripping internal headers: #95116
• Revert "Remove legacy PPR codepaths": #95113
• dev-overlay: wire Link prefetch={true} Partial Prefetching warning into Insights: #94798
• Add missing switch case: #95127
• Revert "Add missing switch case": #95129
• Fix Navigation Inspector styles in dark mode: #95126
• Fix local fonts in statically prerendered ImageResponse metadata route: #95121
• Surface an error for blocking routes under the Navigation Inspector: #95139
• Suppress prefetch={true} warning when route opts out via instant = false: #95099
• [turbopack] Create ServiceWorkerChunkingContextOptions in next-core: #94920
• instant(): Only render shell, unless prefetch prop is set: #95150
• [turbopack] Create ServiceWorkerEntryModule and service_worker_chunk_filename: #94921
• [turbopack] Discover ServiceWorkerEntryModules in next-api and compile + serve those service workers: #94922
• [PP] Reveal after ShellRuntime when simulating a Shell Prefetch in dev: #95149
• Replicate production prefetch shells for instant navigations in dev: #95067
• [next-dev-loop] Fix some papercuts: #95153
• Gate the dev Cold cache badge behind an experimental flag: #95169
• [next-dev-loop] Fix cookies: #95177
• Revert "[turbopack] Use final_read_hint in top level turbo tasks (#94712)": #95178
• [dev overlay]: restructure Copy-as-prompt body into a step-by-step checklist: #95186
• Hard-navigate to app routes shadowed by a pages dynamic route: #95185
• next-dev-loop: require agent-browser >= 0.31.1: #95209
• fix: preserve middleware rewrite query in Pages API routes: #94905
• Don't track modifications to transient data stored in tasks: #95133
• Record size metrics to our compaction and persistence spans: #94977
• [turbopack] Support undoable modifications for many field types on TaskStorage: #95180
• Turbopack: make hash_xxh3_hash128 return u128: #95232
• Improve typing of decodeReply: #95263
• fix: preserve repeated search params in client page segment cache keys: #94863
• fix(turbopack): dedupe filename/exportedName in server-reference-manifest worker entries: #95242
• Avoid bundling client-nodemodules used by unstable_rethrow in client-browser modules: #95196
• Turbopack: replace cssChunking graph moduleFactorCost with weightDistribution: #95088
• Fix: Update the URL when a client navigation redirects to a rewritten route: #95207
• Enhance ESLint rule no-location-assign-relative-destination: #93057
• [turbopack] Add an experimental chunkingHeuristics to next.config.js: #95019
• [turbopack] Thread chunkingHeuristics through to chunk groups: #95020
• [turbopack] Set chunking_heuristics on each ChunkGroupInfo: #95021
• [turbopack] Use experimental chunking heuristics: #95026
• [turbopack] Discover service workers in the Turbopack analyzer: #94923
• Turbopack: This bool could've been an enum: #95288
• log config evaluation time: #94811
• Log content-free diagnostics when a postponed state fails to parse: #95216
• Turbopack: constant evaluate x in y: #95286
• Surface empty generateStaticParams as a redbox with a real stack: #95269
• Render a code frame for build errors thrown collecting page data: #95270
• fix: params/searchParams in client page crashing dev instant validation: #95289
• Turbopack: compute code hash per use cache function: #94234
• Fix workers on thread to not crash with napi-rs: #95281
• codemod: non-interactive upgrade for agents and CI: #95312
• [PP] Validate Shell prefetches (except gSP): #95151
• [PP] Instant validation - error for unguarded static params: #94595
• codemod: bump eslint alongside eslint-config-next: #95314
• Rename Copy as prompt to Copy prompt, convert FixOption to FixCard: #95309
• Fix Navigation Inspector in Safari: #95329
• Fix early OTel proxy tracers in Cache Components prerenders: #95317
• Re-query deploy-test build logs until id markers appear: #95243
• Rename DYNAMIC_EXPIRE and DYNAMIC_STALE to describe what they gate: #95361
• fix(turbopack): allow #/ prefixed subpath import specifiers: #94461
• Remove 'silence this warning' from instant validation fix output: #95187
• Make instant() resilient to a leaked navigation-testing cookie: #95375
• Await reused in-flight prefetch entries under Instant Navigation lock: #95301
• Cache short-expire 'use cache' values across dev reloads: #95362
• Fix metadata title dropped on soft navigation with Cache Components: #95315
• Prefetch links nearest the top of the document first: #95393
• fix: handle prototype-colliding segment names in segment explorer trie: #95403
• Clear a resurrected instant cookie on unlock so a hard reload recovers: #95398
• Recover from blocking routes under Instant Navigation lock when deployed: #95227
• fix(config): correctly validate cacheHandlers names: #95358
• Fix history push getting treated like replace when followed by refresh: #95392
• Skip saving expire: 0 values in the default cache handler in prod: #95363
• Fix false-positive nested-cache error for a short default profile: #95373
• Fix navigation getting reverted when a Server Action is in flight: #95391
• Ignore-list internal frames whose source maps chain to original sources: #95448
• fix: work around SWC compress bug: #95457
• Avoid unnecessary rendering for validation in dev: #95394
• Add serverComponentsHmrCancellation experimental flag: #95462
• Also rewrite requires in page templates with Webpack: #95446
• Fix instrumentation hook awaiting for middleware with adapters: #95357
• otel: Use correct parent span for Node.js middleware: #95306
• [turbopack] Add E2E tests for service workers: #94924
• trace-viewer: Support string span ids in nextjs trace backend: #95515
• evals: fix false-negative regex checks with the agentic LLM judge: #95440
• fix(dev-overlay): increase fix card grid row gap to clear floating Copy prompt button: #95526
• [fragment-scroll] Enable new scroll handler by default: #95378
• Abort superseded Server Components HMR requests on the client: #95463
• turbo-persistence: skip directory fsync on Windows: #95497
• Disable supportsImmutableAssets with config.output: #95521
• Turbopack: add all keys to dynamic exports before sealing the object: #93334
• Propagate maxDuration to edge adapter outputs: #95118
• Run instrumentation for Node.js Middleware without Adapter: #95547
• Fix/next info experimental analyze with graph css chunking: #95542
• Cancel a superseded Server Components HMR refresh's server-side work: #95486
• Turbopack: add more context to persistence file errors: #95318
• [turbopack] Rename rscEndpoint to rscHmrEndpoint: #95538
• [PP] Surface URL data during prefetching as an Instant insight with rule page: #95365
• fix: log "Partial Prefetching enabled" during next build: #95593
• [turbopack] Don't persist if there is little work to do: #95137
• align dev and build output: #94916
• [turbopack] Don't evict when there is little memory to save: #95213
• Consistently gate navigation-testing-lock API on flag: #95582
• Turbopack: enable import with {type: 'text'} by default: #95606
• fix(create-next-app): pin both axes on Tailwind template logos to silence aspect-ratio warning: #95609
• [turbopack] print Turbopack warnings after SSG: #95430
• fix(create-next-app): render filenames in Geist Mono so the preloaded font is used: #95471
• Normalize and validate expire and revalidate values to handle Infinity and surface mistakes early: #95493
• Make the agent-rules block verifiable and self-upgrading: #95467
• Convert agent-041's blocking-data check to the agentic LLM judge: #95630
• Reduce the size of OperationVc from 8 bytes to 4: #95614
• [turbopack] Output service workers to /_next/static/: #95554
• [turbopack] Compile service workers registered from pages router pages: #95583
• [turbopack] Simplify service worker e2e tests: #95672
• Keep the request body a plain Readable after middleware so Readable.toWeb() doesn't hang: #95607
• [PPF] Sync IO is only allowed in the dynamic stage: #95384
• Fix support for custom-media-queries in LightningCSS: #95689
• Turbopack tests: remove assertions that duplicate webpack results: #95688
• request insights: record local framework spans (1/5): #93974
• request insights: derive request history and fetch data (2/5): #93975
• request insights: expose dev snapshots to tools and HMR (3/5): #93976
• Fix duplicate static files in adapter: #95681
• Fix Pages router 404 runtime rendering with Adapter: #95264
• request insights: add agent diagnosis access (4/5): #93977
• Fork navigation-testing-lock module: #95611
• Turbopack: order CSS modules by chunk-group co-occurrence in linearize: #95579
• Fix termination handling: #95692
• [turbopack] Switch make_production_chunks to use floats: #95749
• Improve the NFT error message and ignore comment handling: #95144
• request insights: add DevTools request panel (5/5): #93978
• [turbopack] Optimize the implementation of AutoMap/AutoSet : #95694
• telemetry: add agentName to anonymous metadata: #95586
• Respect NEXT_HASH_SALT for server side assetsHashes: #95738
• Support metadata routes in --debug-build-paths: #95788
• Only track pending imports for real promises: #95789
• Fix cache warming and static params for metadata images with top-level await: #95790
• Preserve init errors from async route modules: #95799
• Fix Request Insights subscription initialization: #95794
• Add more realistic bench fixtures: #95807
• [Bench] Extend bench app to have realistic client chunk counts: #95814
• Replay same-document traversals that happen before hydration: #95682
• [turbopack] Tell agents not to mention next.config.js options: #95825
• Exclude stale under 5 minutes from app shells: #95833
• [turbopack] Generate component chunks for each merged group to increase cache hits: #95261
• Turbopack: trace externals imported only by server actions: #95824
• [turbopack] Create a shared asset with browser runtime code: #94586
• [turbopack] Create a chunk_group_bootstrap_params() function: #94631
• [turbopack] Add inline_chunk_group_bootstrap to BrowserChunkingContext and chunk_group_bootstrap_params to ChunkGroupResult: #94661
• [turbopack] Add registerEntry() to handle inline bootstrapping: #94664
• [turbopack] Add chunk_group_bootstrap_params and the chunk-loading global to the build manifest: #94663
• [turbopack] Inline the chunk group bootstrap in Next.js to drop the per-route runtime: #94666
• [turbopack] Only ship pages-router routes in the client chunk-group bootstrap manifest: #94671
• Revert "Replay same-document traversals that happen before hydration": #95853
• Fix Request Insights span collection: #95818
• Unify appShells flag with Partial Prefetching: #95415
• Fix repeated navigations while the Instant Navigation lock is held: #95864
• fix(agent-rules): pad managed AGENTS.md block with blank lines: #95892
• [turbopack] Don't SSR on pages only navigated to through a soft nav: #95539
• [turbopack] Clean up server_chunking_context: #95908
• Fix Rust doctest failures: #95909
• [instant] Let dev-server requests bypass the fetch lock: #95761
• Move immutable static assets config option out of experimental: #95351
• Move outputHashSalt out of experimental: #95840
• fix(cms-contentful): await draftMode() and use Promise<> params type: #95631
• Turbopack: Simplify parent directory creation retry loop logic: #95835
• [turbopack] Drop unused exports from a CJS module: #95716
• [turbopack] Skip redundant top-level root updates: #95903
• cna: use LayoutProps helper in TS layout templates: #95675
• [turbopack] Rename turbopackTreeShaking to turbopackModuleFragments: #95978
• Fix instant validation blocking navigations: #95939
• Prevent unhandled rejections when a "use cache" cache handler errors: #95985
• Insights: use a single Learn more link in console errors: #95967
• Preserve basePath in redirect destinations: #95608
• fix(next/image): improve performance of detectContentType() : #96006
• Validate server reference IDs during manifest lookup: #96007
• fix(incremental-cache): byte-exact fetch cache key for binary bodies: #96008
• fix(fetch-cache): key fetch(Request, init) by the effective request: #96009
• Ensure exotic rewrite param values are properly encoded: #96010
• Set correct origin for internal redirects in custom server: #96011
• Enforce serverActions.bodySizeLimit for Server Actions in Edge runtime: #96012
• Improve performance of validating MPA form submissions: #96013
• Fix Turbopack middleware matcher with i18n single locale: #96014
• [turbopack] Tree-shake CJS exports that use the Object.defineProperty syntax: #95994
• Turbopack: Use Arc<PathBuf> for keys in turbo-task-fs's per-path MutexMap: #95951
• Revert "[turbopack] Don't SSR on pages only navigated to through a soft nav (#95539)": #96028
• Turbopack: Fix missing canonicalization of paths and always use verbatim paths internally for Windows: #95668
• Turbopack: Remove chunk group id from value of chunk groups map: #95142
• Fix basePath fallback parameter parsing: #95966
• Emit the static paths HMR update after updating the cache: #96019
• Add a dedicated HMR message for static params changes: #96020
• Fix stale dev 'use cache' for cookieless requests and route handlers: #96022
• fix: cache miss in App Shell for cached pages with gSP: #95665
• Turbopack: stop copying sourcesContent into every serialized source map: #95934
• [turbopack] Fix deployment skew protection for component chunks: #96079
• Gate partialFallback behavior behind partialPrefetching flag: #96074
• [Cache Components] Exclude dynamic params from prerenders when no generateStaticParams values is provided: #95872
• Turbopack: Use swc_core::ecma::utils::prop_name_eq for a couple of the next-custom-transforms: #96035
• Turbopack: Use Arc and Box to make InvalidatorMap slightly more efficient: #95987
• Turbopack: Split up turbo-tasks-fs/src/lib.rs into smaller modules: #96030
• [Bench] Add client-trace attribution pass and document metrics to render-pipeline: #95828
• Rewrite edge server source map sources in Rust, drop JS fallback: #95980
• fix(next/font/google): bound Google Fonts fetch timeout on Turbopack: #95981
• Restore partial fallback shell upgrade coverage: #96096
• Remove inert experimental.viewTransition flag: #96098
• Turbopack: Refactor watcher event handling and batching logic: #96087
• Turbopack: Very minor improvements for watcher loop: #96103
• [turbopack] Track re-exports in import_usage inside of compute_import_usage: #95989
• [RSC HMR] Fix a flurry of refetches when a editing component imported from many routes: #96102
• Return plain text 404 for non-document requests to unknown paths: #95930
• [turbopack] Track usage of modules imported with require(): #95717
• [turbopack] Drop dead require() calls: #95718
• [turbopack] Import Webpack's tests for tree-shaking: #95811
• [ts-plugin] Preserve TypeScript quick info metadata: #95863
• Optimize app page entry analysis: #96058
• Include additional prerender metadata about build-time routes: #96080
• Keep VaryPath monomorphic by making isRootParam required: #96122
• Make reifyRouteTree object literals match the canonical RouteTree key order: #96162
• Keep optimistic-route param handling monomorphic: #96169
• [sourcemaps] Use file: sourcemaps for Turbopack to improve dev performance: #95946
• Avoid quadratic HMR queue shifts: #96137
• Optimize implicit cache tag derivation: #96120
• Forward dev invalid dynamic usage errors from the render, not validation: #96148
• [refactor] Model dev validation render outputs as a discriminated union: #96149
• Add the experimental.devValidationWorker config flag: #96150
• [refactor] Prepare dev validation for running on a worker thread: #96151
• Run Cache Components dev validation on a worker thread: #96153
• fix: release compression stream when client disconnects mid-response: #96173
• [sourcemaps] Reuse source map payloads and consumers across stack frames: #96198
• Pass fallback params to the dev validation worker as maps: #96210
• Retry the source map lookup with a plain path: #96215
• Read chunk source maps from disk in the dev validation worker: #96218
• Run dev validation in process when using Webpack: #96219
• Fix dev overlay symbolication for project paths needing percent-encoding: #96221
• fix(sandbox): release one-shot timeout ids after they run: #96161
• Turbopack: support import.meta.glob caseSensitive option: #96226
• Add shell offset to static segment prefetches: #95963
• [turbopack] Fix de-opt in getChunkRelativeUrl(): #96183
• [turbopack] Tree-shake module.exports = {...} (CJS): #95996
• Add Instant Insights request timing: #95958
• Track whether runtime data is accessed during prefetch: #95964
• Update vendored @mswjs/interceptors to 0.41.9: #96059
• Replace vendored http-proxy with httpxy: #96060
• Turbopack: Store watcher batch state with bitflags instead of 4 different sets: #96114
• Turbopack: Only extend the watcher's batch window for unfiltered events: #96186
• Serve cached misses from the filesystem route cache: #96230
• Use a safe clock for Request Insights bookkeeping: #96274
• Block prefetch task until sufficient response is received: #96017
• Attempt static prefetch before resorting to runtime: #96095
• Unify allow-runtime with Partial Prefetching: #96106
• Add option to control dev memory threshold restarts: #96144
• feat(turbopack): support import.meta.env: #96225
• fix(next/image): improve test coverage for unsupported image types: #96301
• Add local Request Insights span tracing: #96275
• Add Instant Insights pipeline spans: #95961
• Persist Request Insights display settings: #96277
• [turbopack] Treat Object.defineProperty(exports, …, { value: … }) as side-effect free: #96273
• Fix Turbopack worker URL context lookup: #96307
• Return 200 for client-handled Server Action redirects: #96310
• Revert "[turbopack] Track re-exports in import_usage inside of compute_import_usage": #96311
• Improve root detection to handle worktrees, more workspaces & stray lockfiles: #96159
• Turbopack: aggregate server HMR into one subscription: #94948
• Turbopack: extract chunk list version/update into turbopack-ecmascript: #95661
• Turbopack HMR: extract deferring build messages and use it in server hmr: #95795
• Turbopack server hmr: avoid complete clear on graph changes: #95546
• [turbopack] Remove loader calls for dropped dynamic imports: #96284
• Revert "Revert "[turbopack] Track re-exports in import_usage inside of compute_import_usage"": #96315
• Restore comments dropped during a refactor: #96324
• [turbopack] Tree shake w/ bar['foo'] syntax for star imports: #96319
• Cache immutable current task IDs outside the task-state lock: #96180
• Gate partial fallback shell upgrades behind partialPrefetching for next start: #96297
• Make retry stop when the time it was given is up: #96354
• Share Ecmascript HMR chunk versioning, diffing, and merging between browser and node: #96325
• Ensure unique resolved headers() value between render passes: #96085
• Fix PPR rendering for configured HTML bots: #96364
• [fragment-scroll] Stop blurring on navigations: #96113
• [Instant] Point to first blocking await in validation: #96343
• Skip reader task locking for immutable Turbo Tasks reads: #96179
• Fix empty Fragment scroll ownership: #96342
• fix(create-next-app): make AGENTS.md blue: #95432
• fix: respect htmlLimitedBots in cache components without buffering the full response: #96367
• Remove obsolete shouldWaitOnAllReady render option: #96401
• Update Rust toolchain to nightly-2026-07-29: #96365
• [turbopack] Keep track of components of the remainder chunk: #96409
• [turbopack] Respect sideEffects in a package.json file with optimizePackageImports: #96383
• Fix isHeadPartial when hydrating from a static fallback shell: #96400
• [turbopack] add experimental.turbopackChunking config: #96398
• Update @types/react and @types/react-dom to latest: #96419
• Fix adapter outputs for not-found routes when used with cache components: #96390
• Consolidate unhandled rejection logging into a single listener: #95999
• Enable turbopackFileSystemCacheForBuild by default: #96395
• [turbopack] Fix component chunks for workers: #96432
• Fix hybrid Pages/App Router not-found rendering with adapters: #96392
• Warn that experimental.useCache is deprecated: #96448
• Enable Turbopack build filesystem cache by default: #96493
• [Cache] Make caches error if called after prerender aborts: #96426
• Fix App Router scroll padding visibility: #96308
• Enable TypeScript CLI by default: #96497
• fix: double fragment on navigation: #93132
• Remove implicit Partial Prefetching opt-in from instant: #96539

Documentation Changes

• docs: fix broken Activity Patterns demo link in preserving UI state guide: #91698
• docs: post release amends: #91715
• docs: use ErrorInfo type consistently in catchError docs: #91744
• docs: add catchError benefits over userspace error boundaries: #91745
• docs: platform portability and infrastructure documentation: #91237
• docs: add verified adapters section: #91849
• docs: document CSS decimal precision difference between Turbopack and webpack: #91909
• [Docs] Rewrite agent rules to match bundled doc wording: #91995
• docs: opengraph-image papercuts: #92018
• Update revalidateTag examples to use the new two-argument signature: #92065
• docs: clarify that use cache requires async functions: #92101
• Move expanded adapters docs to API reference: #92115
• docs: add middleware bypass note to CDN caching guide: #92132
• docs: document revalidateTag's required second argument in upgrade guide: #92134
• docs: local images referenced by remote source: #92178
• docs: clarify id, filePath, and pathname in STATIC_FILE adapter output: #92227
• Docs/adapters review: #92223

Example Changes

• chore(examples): remove with-styletron example: #81842
• ci: remove deploy examples workflow from build-and-deploy: #92324
• example: remove with-supertokens: #93212
• [examples] migrate cloudinary to vercel-blob: #93762
• examples/with-ably: update to App Router + Ably v2: #94600
• fix: error handling and loading states in with-apollo-and-redux example: #91457
• fix: remove deprecated url.parse() from custom-server example: #96105

Misc Changes

• Add .claude/skills symlink: #91616
• Update tokio from 1.43.0 to 1.47.3: #90945
• Restructure pr-status-triage skill: merge command into skill files: #91514
• [test] Unflake "infinite streaming fetch" test: #91645
• [test] Unflake deterministic build - changing deployment id test: #91646
• Skip CI for agent/editor config directory changes: #91622
• refactor: extract build infra and alias changes: #90422
• ci: add node-stream test coverage workflow: #89861
• Update Rspack production test manifest: #91635
• [test] Increase retry timeouts for two flaky app-action tests: #91647
• Revert "ci: add node-stream test coverage workflow (#89861)"
• [test] Fix flaky url-hash tests: #91649
• Add instant validation tests for parallel slot config attribution: #91656
• [test] Unflake rendering indicator test & skip building indicator tests: #91650
• [test] Fix edge-async-local-storage deploy test timeout & race condition: #91643
• Update Rspack development test manifest: #91695
• [test] Unflake use-node-streams-env-precedence test: #91733

Credits

Huge thanks to @denesbeck, @ztanner, @ijjk, @lllomh, @devjiwonchoi, @lukesandberg, @wbinnssmith, @sokra, @unstubbable, @timneutkens, @feedthejim, @gnoff, @abhishekmardiya, @icyJoseph, @mischnic, @mmastrac, @acdlite, @eps1lon, @JamBalaya56562, @bgw, @gaojude, @bgub, @remcohaszing, @aurorascharff, @VedantMadane, @fireairforce, @dagecko, @ctate, @banchichen, @andrewimm, @wwenrr, @TooTallNate, @hamidrezahanafi, @hamedniroomand, @sleitor, @Badbird5907, @MukundaKatta, @styfle, @SukkaW, @awo00, @christopherkindl, @GuinsooRocky, @maximecolin, @lubieowoce, @zana-abdi2002, @samselikoff, @rishishanbhag, @armando-andre, @tim123abc, @publictheta, @unclebay143, @yavorpunchev, @kakadiadarpan, @SyMind, @igorbabko, @sampoder, @StanislavKozachenko, @kristiyan-velkov, @huozhi, @RazinShafayet2007, @SJvaca30, @danyalahmed1995, @karlhorky, @MikhailStn, @ifer47, @niketchandivade, @gilest, @jahanzaib-iqbal-dev, @owenpearson, @davidgg, @fhfournier, @parkhojeong, @gaearon, @TariqulislamTuhin, @thsid, @jimmyhmiller, @Partha-Shankar, @M4cM4rco, @chippleh1392, @Pranav18M, @marcoshernanz, @manoraj, @ankurdotio, @WildChargerTV, @ZaforAbdullah, @wasim-builds, @petehunt, @DavidIlie, and @adhamfayrouzamf for helping!