v15.0.0

Core Changes

• refactor: next-flight-client-module-loader return conditions: #64348
• Fix Server Action error logs for unhandled POST requests: #64315
• Shared Revalidate Timings: #64370
• Freeze loaded manifests: #64313
• test: skip turbopack build test: #64356
• Fix: css in next/dynamic component in edge runtime: #64382
• Fix more Turbopack build tests: #64384
• use pathToFileUrl to make esm import()s work with absolute windows paths: #64386
• Improve rendering performance: #64408
• Fix the method prop case in Server Actions transform: #64398
• fix(next-lint): update option --report-unused-disable-directives to --report-unused-disable-directives-severity: #64405
• Revert "Fix: css in next/dynamic component in edge runtime": #64442
• default fetchCache to no-store when force-dynamic is set: #64145
• router restore should take priority over pending actions: #64449
• Fix client boundary inheritance for barrel optimization: #64467
• improve turborepo caching: #64493
• Update font data: #64481
• BREAKING CHANGE: remove deprecated analyticsId from config, and the corresponding performance-relayer files and tests: #64199
• feat: strip traceparent header from cachekey: #64499
• Fix typo in dynamic-rendering.ts: #64365
• fix(next): global not-found not working on multi-root layouts: #63053
• chore(next): add keywords on package.json: #64173
• Fix DynamicServerError not being thrown in fetch: #64511
• fix: lib/helpers/install.ts to better support pnpm and properly respect root argument: #64418
• fix(next): Metadata.openGraph values not resolving basic values when type is set: #63620
• disable production chunking in dev: #64488
• update turbopack: #64501
• Turbopack: Allow client components to be imported in app routes: #64520
• refactor: remove always truthy flag: #64522
• Turbopack: don’t show long internal stack traces on build errors: #64427
• next/script: Correctly apply async and defer props: #52939
• chore(next/font): update @capsizecss/metrics package: #64528
• feat: add information that revalidate interval is in seconds: #64229
• Typo "Minifer" in config.ts: #64359
• Enhance types for Node and Edge envionments: #64454
• feat: Add a validation for postcss with useLightningcss: #64379
• fix HMR for cases where chunking changes: #64367
• perf: improve Pages Router server rendering performance: #64461
• Fix cjs client components tree-shaking: #64558
• fix refresh behavior for discarded actions: #64532
• fix: filter out middleware requests in logging: #64549
• chore: remove unused rust dependencies: #62176
• fix(next-swc): correctly set wasm fallback for known target triples: #64567
• memoize layout router context: #64575
• fix incorrect refresh request when basePath is set: #64589
• fix TypeError edge-case for parallel slots rendered multiple times: #64271
• Fix ASL bundling for dynamic css: #64451
• Revert "fix(next): global not-found not working on multi-root layouts": #64601
• chore(test): run related E2E deploy tests on PRs: #63763
• Improve top level await coverage: #64508
• Upgrade typescript to 5.3: #64043
• add pathname normalizer for actions: #64592
• Fix experimental/testmode by removing console.log: #64670
• Don't output .test.ts files in next/font: #63472
• Fix reporting when performance.measure doesn't exist (Edge): #64669
• Reduce amount of data passed to collectBuildTraces: #59665
• fix(next-server): 'quiet' setting delegate for custom server: #64512
• Revert "chore(test): run related E2E deploy tests on PRs": #64682
• update turbopack: #64686
• Fix: resolve mixed re-exports module as cjs: #64681
• Revert "fix TypeError edge-case for parallel slots rendered multiple times": #64690
• Fix typo: 'serverComponentsExtenalPackages' should be 'serverComponentsExternalPackages': #64705
• prevent erroneous route interception during lazy fetch: #64692
• Add @appsignal/nodejs to the external packages list: #64503
• fix root page revalidation when redirecting in a server action: #64730
• Clean-up fetch metrics tracking: #64746
• [actions] Enforce body limit using Transform stream: #64694
• Turbopack: Don’t show stack traces for internal modules: #64228
• Reapply "chore(test): run related E2E deploy tests on PRs" (#64682): #64712
• fix(fetch-cache): fix typo: #64786
• fix: remove traceparent from cachekey should not remove traceparent from original object: #64727
• fix interception route rewrite regex not supporting hyphenated segments: #64805
• Disable ncc cache instead of cache cleaning: #64804
• Move next-swc Turborepo config to packages/next-swc: #64789
• build: Update swc_core to v0.90.33: #64553
• Enable loading source maps for Next Server and React: #64527
• fix: mixing namespace import and named import client components: #64809
• fext(next): extend next.config for mdxRs support options: #64801
• skip test_e2e_deploy_related when triggered from a fork: #64893
• fix(fetch-cache): fix additional typo, add type & data validation: #64799
• feat(next-core): support parsing matcher config object: #64678
• Fix mixed exports in server component with barrel optimization: #64894
• fix: improve tsconfig extends checks: #61413
• Fix next/image usage in mdx: #64875
• fix dynamic route interception not working when deployed with middleware: #64923
• feat(turbopack): Handle fragments in requests: #64232
• feat(turbopack): Check for duplicate parallel routes: #64181
• Speed up createNext test suite isolation: #64909
• fix(rewrites): support external rewrite destination: #64943
• Ensure edge prerender-manifest is minimal: #64946
• remove special-cased prefetch kind in dev mode: #64941
• feat: support import attributes: #59480
• NextJS App router: add isolated-vm to server-external-packages.json: #64749
• Add next experimental-test command: #64352
• Revert "feat: support import attributes": #65001
• NODE_OPTIONS updates: #65006
• Update React from 14898b6a9 to c3048aab4: #64798
• initialize ALS with cookies in middleware: #65008
• feat(next/image)!: remove squoosh in favor of sharp as optional dependency: #63321
• fix: Workaround acorn bug/version issue by using SWC: #65021
• build: Update @swc/core to v1.5.0: #65022
• Ensure escaped string are parsed in NODE_OPTIONS: #65046
• chore(fetch-cache): remove zod from fetch cache: #65079
• support breadcrumb style catch-all parallel routes: #65063
• Improve initial setup with new App Router TypeScript project: #64826
• Add experimental trace file field: #65071
• Fix playwright config merging for webServer property: #65090
• chore(logging): Disable info logging of critters in production: #62776
• [unstable_cache] Don't track dynamic fetches in an unstable_cache callback: #65010
• fix(page-static-info): refine warning message to emit once: #65091
• update redirect handling on forwarded action requests: #65097
• Tracing: allow opt-in flag to send build traces to url: #65019
• Turbopack: Allow client components from foreign code in app routes: #64751
• fix node.js module warning in middleware: #65112
• Fix: strip _rsc query for client navigation rsc request: #65084
• fix unhandled runtime error when notFound() triggered in generateMetadata w/ parallel routes: #65102
• Use vercel deployment url for metadataBase fallbacks: #65089
• Fix next/dynamic with babel and src dir: #65177
• update turbopack: #65191
• Fix crypto import in edge runtime with Turbopack: #65171
• Resolve global next Webpack alias last: #65123
• Add oslo, @node-rs/argon2, and @node-rs/bcrypt to external packages: #65204
• [trace] Reduce the size of .next/trace files: #65101
• Remove extra suspense boundary for default next/dynamic: #64716
• Only apply metadata manifest credentials for preview deployment: #64940
• fix(next): add missing browser.major type: #65185
• Turbopack: rename source map prefix: #64965
• Use POST for invokeIpcMethod: #65238
• fix redirect to url with semicolon: #65165
• Provide non-dynamic segments to catch-all parallel routes: #65233
• Fix an issue parsing catchall params: #65277
• Enable preloading entries by default: #65289
• Trace uploader: add worker spans to allowed events: #65255
• Update font data: #65301
• Update revalidateTag to batch tags in one request: #65296
• Revert "Remove extra suspense boundary for default next/dynamic": #65309
• Emit polyfill-nomodule.js into the build manifest polyfillFiles: #65223
• Remove broken #[turbo_tasks::value(transparent)] attributes: #65336
• Delete dead concatenate_output_assets function: #65337
• Upgrade Turbopack: #65320
• Pages router: Use attribute-based head children reconciler when strictNextHead is enabled: #65408
• Revert "Implement Turbopack trace server bindings": #65419
• use correct not-found component when triggered from a parallel route: #65343
• Implement Turbopack trace server bindings: #65410
• fix(next/image): bypass icns images: #65414
• [PPR] Enable incremental adoption: #63847
• fix: replace deprecated/removed functions in eslint-plugin-next: #64251
• docs: update revalidatePath & fix cache debug logic: #65365
• fix(next-core): mark turbopack embed fs to be internals: #65420
• fix(next/image): add missing svg test and refactor missing types: #65345
• build(edge): extract buildId into environment: #64521
• Revert "build(edge): extract buildId into environment": #65425
• fix(next/image): set max url length to 3072: #65457
• Support React 19 in App and Pages router: #65058
• Promote and rename server bundling options serverComponentsExternalPackages and bundlePagesExternals: #65421
• add experimental flag to allow forcing NODE_ENV=development in builds: #65463
• Support esm externals in app router: #65041
• fix: lazy load sharp: #65484
• make sure children is first in loader tree to fix head css bug on client navigation: #65279
• Re-land build(edge): extract buildId into environment: #65426
• improve versioned content m...

v15.0.0-canary.205

Core Changes

• Revert "[dynamicIO] warn for disallowed dynamic in dev": #71566

Credits

Huge thanks to @ztanner for helping!

v15.0.0-canary.204

Core Changes

• chore(next-codemod): use "confirm" for consistent prompt: #71551

Misc Changes

• chore(docs): add docs for input image formats with next/image: #71565

Credits

Huge thanks to @devjiwonchoi and @styfle for helping!

v15.0.0-canary.203

Core Changes

• [dynamicIO] warn for disallowed dynamic in dev: #71526
• Format generated cacheLife() types as overloads with each value: #71544
• Ensure receiveExpiredTags is called per-request: #71543
• feat: dedupe consecutive captured console errors: #71483
• [Turbopack] add more tracing to dirty flagging: #71482
• improve typescript autocomplete for cacheLife: #71400
• Ensure workers are cleaned up always: #71564

Misc Changes

• DX improvements for "use cache" functions: #71518
• chore(docs): remove recommendation about using priority over loading=eager with next/image: #71562

Credits

Huge thanks to @gnoff, @sebmarkbage, @ijjk, @huozhi, @sokra, @unstubbable, @lubieowoce, and @styfle for helping!

v15.0.0-canary.202

Core Changes

• Fix cache handlers in serialized config: #71541

Misc Changes

• docs: fix typo in Link component example: #71540
• test: fix dynamic io error deployment test: #71533

Credits

Huge thanks to @cwj1234567, @huozhi, and @ijjk for helping!

v15.0.0-canary.201

Core Changes

• Ensure custom cache handlers are traced: #71521
• Update React to bf7e210c: #71524
• Update React (again): #71528
• Remove double decoding of encrypted closures : #71527
• codemod: fix props types modify for type alias: #71537
• next-upgrade: Stop prompting for React 19 upgrade on pure App Router apps: #71486
• Ensure only one tags manifest is leveraged across handlers: #71522

Misc Changes

• test: de-flake rsc-cookies e2e tests: #71319
• docs: add TypeScript code blocks in ISR page: #71492

Credits

Huge thanks to @serhalp, @ijjk, @Juneezee, @sebmarkbage, @huozhi, and @eps1lon for helping!

v15.0.0-canary.200

Core Changes

• [dynamicIO] prospectively render SSR phase if needed: #71506
• [dynamicIO] show dev & build warnings when using incompatible segment configs: #71500
• Check tag staleness against the timestamp of the entry: #71520
• codemod: modify props types when arg is prop: #71516
• sync access warnings for Request APIs should include a stack: #71519

Misc Changes

• Transform "use cache" functions exported via export default expression: #71512
• Allow "use cache" functions in server action module (client layer): #71511

Credits

Huge thanks to @unstubbable, @gnoff, @ztanner, @sebmarkbage, and @huozhi for helping!

v15.0.0-canary.199

Core Changes

• Add default cache handlers and update tags manifest handling: #71455
• fix: set aria role on static indicator toast: #71420
• Pass cacheLifeProfiles during static path generation: #71502
• Follow up to default cache handler: #71504
• [dio] Prospective Fallback Render: #71450
• Add handling for custom cache handlers: #71505
• [dynamicIO] Move disallowed dynamic tracking to it's own object: #71499

Misc Changes

• Differentiate error messages in server function transforms: #71491
• Update flakey edge log test: #71501
• Updates workOS auth link for the Next.js : #71335
• docs: Move Static Rendering section into Behavior section: #71353
• Fix handling of local functions in "use cache" modules: #71497

Credits

Huge thanks to @unstubbable, @ijjk, @mayur9210, @bangseongbeom, @makepanic, @sebmarkbage, @wyattjoh, and @gnoff for helping!

v15.0.0-canary.198

Core Changes

• enhance: polish hydration error layout to separate error link: #71456
• Let cache body execute with hanging inputs: #71452
• [Turbopack] Perf improvement new backend aggregation: #71356
• Upgrade React from 77b637d6-20241016 to bf7e210c-20241017: #71436
• next-upgrade: Consistent version comparison to codemod decisions: #71457
• feat: handle server extra attribute hydration error: #71462
• fix: set overlay click outside touchstart handler as passive: #71449
• codemod: only turn function to async when no hooks: #71392
• Turbopack: rscModuleMapping without extra chunks: #71326
• Turbopack: Make UnableToExternalize a warning: #71477
• Turbopack: Improve externals plugin: #71375
• [dynamicIO] refine error messaging for sync API access: #71467

Misc Changes

• [dynamicIO] clarify date docs: #71459
• [Turbopack] Perf improvements new backend: #71249
• [Turbopack] fix unresolvable typo: #71414
• [Turbopack] refactor to allow different key value stores: #71430
• [Turbopack] make snapshot organization more efficient: #71466
• test: fix 18.3 hydration test: #71472
• [Turbopack] update total size when reached: #71354
• [Turbopack] add a startup cache which caches the first 100MB of accessed data: #71431
• [Turbopack] bugfixes persistent caching: #71481
• fix: add test helper back: #71495
• docs(route-groups): add an example about opting loading skeletons to a specific route: #71328
• Assign proper function names to server actions: #71478

Credits

Huge thanks to @huozhi, @sebmarkbage, @gnoff, @sokra, @eps1lon, @mischnic, @wyattjoh, @samcx, and @unstubbable for helping!

v15.0.0-canary.197

Core Changes

• Upgrade React from cd22717c-20241013 to 77b637d6-20241016: #71391
• next-upgrade: Stop adding empty overrides: #71380
• next-upgrade: Fix React 19 upgrade not being prompted: #71378
• Ensure next-dev-server usages can be found: #71423
• [dynamicIO] Do not warn on arbitrary param access in browser: #71437
• capture console.error into error overlay: #71424
• next-upgrade: Only run React 19 codemods when we upgrade to React 19: #71389

Example Changes

• chore(examples): updated the example of with-goober to utlize the App router: #71349
• chore(examples): updated the example of with-styled-jsx to utilize the App Route: #71290

Misc Changes

• [Turbopack] bugfixes in persistent caching: #71355
• Adjust transforms for cached functions imported from client components: #71401
• refactor(turbopack): Simplify EcmascriptModulePartAsset::ident: #71337
• [Turbopack] lmdb Backing Storage performance improvments: #71250
• Turbopack: Support resolving to index.js with fully_specified: #71367
• perf(turbopack): Optimize last_side_effects of tree shaking: #71418
• Unflake "cancels stream making progress" test: #71422
• Increase timeout for deploy tests from 120 (default) to 240 seconds: #71428
• Fix flaky app action test, take 2: #71427
• chore(github): update schema from url → html_url: #71429
• Skip unnecessary work in server action transforms for client modules: #71417
• Fix typo in version number: #70680
• test: fix flaky react 18 tests: #71403
• rename: .md to .mdx in errors directory: #71240

Credits

Huge thanks to @sokra, @unstubbable, @kdy1, @mischnic, @eps1lon, @samcx, @Manoj-M-S, @whatisagi, @Sam-Phillemon9493, @huozhi, @gnoff, and @lumirlumir for helping!