Auto fill title/images/description from openGraph for twitter if missing: #51453
Route Module Updates: #51433
fix(typo): rename var name in comment: #51531
feat: support for numeric separators in revalidate config: #51438
Support response aborting: #51594
Next Build Turbo POC (2): #51546
bugfix: route interception with dynamic paths: #51526
add edge rendering for app dir for Turbopack: #51631
Pages Error Route Module Rendering: #51374
Revert "add edge rendering for app dir for Turbopack": #51659
Update cache handling in draft mode: #51663
Add esm entry for next/server and alias @vercel/og: #51651
Hot reload when conflicted pages detected and when conflicts are resolved: #51516
Fix standalone rendering for unmatched _next routes: #51611
add edge rendering for app dir for Turbopack: #51666
Revert "Update swc_core to v0.78.15": #51716
type check tests (and convert next-test-utils.js to ts) :

Release notes available: 1
Commit history only: 0
History missing: 0

Last checked 1 Oct 2026, 07:42 UTC

Checking sources…

13.4.8

3 Jul 2023GitHub Release

For a more detailed summary of recent performance improvements around compilation, please see this comment.

Core Changes

Auto fill title/images/description from openGraph for twitter if missing: #51453
Route Module Updates: #51433
fix(typo): rename var name in comment: #51531
feat: support for numeric separators in revalidate config: #51438
Support response aborting: #51594
Next Build Turbo POC (2): #51546
bugfix: route interception with dynamic paths: #51526
add edge rendering for app dir for Turbopack: #51631
Pages Error Route Module Rendering: #51374
Revert "add edge rendering for app dir for Turbopack": #51659
Update cache handling in draft mode: #51663
Add esm entry for next/server and alias @vercel/og: #51651
Hot reload when conflicted pages detected and when conflicts are resolved: #51516
Fix standalone rendering for unmatched _next routes: #51611
add edge rendering for app dir for Turbopack: #51666
Revert "Update swc_core to v0.78.15": #51716
type check tests (and convert next-test-utils.js to ts) :

#51071

Add default modularizeImports that breaks up @mui/icons-material, @mui/material, date-fns, lodash, lodash-es, ramda, react-bootstrap: #50900

Move Pages render out of server: #51678

Add url to patched fetch response: #51665

Correct Flight client's condition for SSR and createServerReference: #51723

Update manual basePath with trailingSlash: #51726

feat: add body parser limit for server actions: #51104

fix: handle 404 errors in HotReload client: #51637

Add critical next config value to github info: #51715

Fix not-found handling in turbopack: #51735

Allow matching against user-agent in rewrites that match headers: #48271

revalidate should be more than a boolean: #51627

Rename serverActionsSizeLimit as serverActionsBodySizeLimit and add docs: #51755

Fix HMR for missing dependencies in next-app-loader: #51778

fix: interception rewrites should support catch-all segments: #51787

Remove execSync: #51785

Remove unncessary source matching from loader: #51775

Fix NODE_OPTIONS='--inspect' not running expected: #51467

Fix tree-shaking for metadata image functions on the Edge runtime: #51762

Add WATCHPACK_WATCHER_LIMIT=20: #51826

Simplify Flight manifest plugin: #51589

performance: don't compile on hover on dev: #51830

Refactor next-font-manifest-plugin: #51835

feat: Introduce eslint rule for async client components: #51547

fix: webpack target should match node engines: #51852

Enable compression for Webpack's cache during dev: #51851

perf: only require nextjs-require-cache-hot-reloader related API in dev mode: #51834

fix: build stats should properly report root page size in appDir: #51854

Optimize client entry creation: #51849

Fix white screen when navigating to pages in certain cases: #51866

Fix missing request body in DELETE and OPTIONS Route Handlers: #51874

make stdout blocking on macos: #51883

Fix windows fill metadata dynamic path: #51885

Support relative url for openGraph.url and itunes.appArgument: #51877

feat(next-dev): add a new experimental flag: #51895

next/node-polyfill-web-streams: fix web stream polyfill for Node v16: #51901

node-polyfill-web-streams: require from stream/web instead of stream: #51906

Add retries and clear message to font fetching: #51890

performance: enable minification for the server bundles: #51831

Simplify module context invalidation: #51905

Reduce the client bundle size of App Router: #51806

fix turbopack mdx import map: #51881

error recovery during turbopack hydration: #51882

Ensure edge runtime Pages API/App Route handlers AbortSignal aborts on client disconnect: #51727

adds payload to server-external-packages.json: #51933

fix(next): improve error for using outside of document: #45056

Support react profiling option for app dir client components: #51947

Add cpu-features to server external packages: #51946

Add unstable_getImgProps export from next/image: #51205

Fix eslint async client component: #51952

fix modularizeImports with @mui/material: #51953

Fix entrypoints.get and entrypoints.stream from turbopack: #50733

Optimize next-app-loader file resolution: #51924

fix(typedRoutes): added missing anchor props to LinkRestProps: #51977

Update turbopack and swc_core to v0.78.24: #51943

export config into functions config manifest: #51700

Add shared input filesystem: #51879

Make sure DevEx can approve docs PRs / Remove Spaces: #51996

Filter invalid image descriptor from metadata images: #51992

Fix NextRequest constructor parameters: #52001

Update edge-runtime to latest: #51944

Increase time and size windows for cached on-demand entries: #52019

Avoid disposing middleware and instrumentation hook during development: #52022

Update displayed error message for rsc case: #52004

Refactor some loaders to be synchronous: #51997

Optimize inlined Flight data array format: #52028

Revert "Optimize inlined Flight data array format": #52039

Refactor ContentSources to RouteTree: #51660

Fix font missing during server HMR: #52033

Enable Pages Route Module Rendering for Edge: #51894

Ensure non-implicit unstable_cache tags are propagated: #52058

Delegate static analyzation task to the router worker: #52104

Add default modularizeImports for antd / ant-design/icons / ahooks: #52031

Avoid unnecessary resolveExternal calls: #52053

Remove EnvironmentIntention: #51965

fix: env hot reload for RSC pages: #51930

Documentation Changes

added good to know in /app based pages and layout in nested layouts: #51558
docs: Add Panda CSS to CSS-in-JS docs.: #51484
Add docs for src directory to include tailwindcss: #51619
Add page router documentation: #51626
docs: Add 'DO NOT EDIT' comment: #51600
Fix validator action breaking when PRs originate from forks: #51668
docs: fix generated app icons file extensions: #51562
Fix typo in 01-typescript.mdx: #51669
fix(docs): added missing dot: #51718
Update 01-images.mdx: #51532
Add app to tailwind.config.js in fonts documentation.: #51671
Update docs for Google Analytics 4: #51405
Fix Typo in Optimizing - Open Telemetry docs: #51729
docs: improve minor grammar mistake: #51758
fix: typo into 03-css-in-js.mdx page: #51761
docs: Add updated next/image video.: #51790
docs(deploy): fix GitHub Actions cache key: #51789
Fix usage of article "an" before a consonant sound: #51803
Update 10-router-handlers.mdx: #51850
[docs] fix angle bracket in mdx: #51920
[docs] Replace the term "hole" with "slot": #51919
[docs] fix curly brackets in mdx: #51916
Add separate links in shared documentation: #51733
Fix run-on sentence: #51956
docs: make custom image loader a client component.: #51858
docs: clarify reactStrictMode: true by default: #51931
Remove unnecessary mention of scroll false: #51964
Update next lint section: #51898
Docs: Fix broken link: #51991
chore(docs): explain NODE_ENV environment variable: #52003
fix(create-next-app): consolidate messages to "Would you like to use": #52011
Docs: Fix missing typings for typescript example: #52076
docs: Fix broken link: #52092

Example Changes

examples: improve with-supabase example: #51442
examples: add missing supabase-js dependency for with-supabase example: #51703
docs: update with-next-translate example using appdir: #51720
fix some issues on examples/app-dir-i18n-routing: #51576
chore(examples): relax pinned versions to fix npm install fail due to peer deps issue: #51636
Avoiding try-catch block on examples/app-dir-i18n-routing: #51786
[examples] Update styling for with-supabase example: #51751

Misc Changes

chore: make next/src/build files indexable on github: #51647
fix lockfile: #51650
Remove the 'notify' modifier on .vercel.approvers: #51655
Move the Next.js team back to github codeowners: #51657
Revert "[Docs] Fix validator action breaking when PRs originate from …: #51674
Update swc_core to v0.78.15: #51269
Update link validator: use checks, fail on PR from forked repo: #51706
Update page.tsx tw className: #49040
Update needs for build and deploy: #51731
Ensure we run cargo-integration on next change: #51736
Update swc_core to v0.78.24: #51857
Revert "Update swc_core to v0.78.24": #51940
Update codeowners: #51935
lint fix
Ensure metadata test is not affected by other tests: #51973
Remove test skip: #51988
Loosen metatdata test matcher: #52007
chore(script): improve markdown changelog output in sync-react.js: #52052
chore(script): fix typo in sync-react.js pull request url: #52057
fix app-hmr-changes.test.ts by updating next-tweet: #52046
link validator: log broken links for PRs from forks: #51963
Renable flaky tests disabled before: #51680

Credits

Huge thanks to @huozhi, @wyattjoh, @dijonmusters, @danger-ahead, @bre30kra69cs, @leerob, @Yash-Singh1, @jridgewell, @alexkirsz, @ztanner, @sokra, @krmeda, @tyler-lutz, @ijjk, @delbaoliveira, @bigyanse, @kdy1, @2-NOW, @ForsakenHarmony, @Mingyu-Song, @morganfeeney, @timneutkens, @aralroca, @nickmccurdy, @adamjmcgrath, @shuding, @devjiwonchoi, @angel1254mc, @cxa, @ibash, @mohanraj-r, @kevinmitch14, @iaurg, @steebchen, @Cow258, @charlesbdudley, @feedthejim, @tyhopp, @Drblessing, @styfle, @kwonoj, @MaxLeiter, @milovangudelj, @SukkaW, @jacobsfletch, @JoshuaKGoldberg, @zignis, @ChristianIvicevic, @mrxbox98, @oliviertassinari, @balazsorban44, @fsansalvadore, @DuCanhGH, @tvthatsme, @gnoff, and @SonMooSans for helping!

13.4.8#

Core Changes

13.4.8#

Core Changes

Documentation Changes

Example Changes

Misc Changes

Credits

13.4.8

13.4.8