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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

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

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!