More fluent GraphTraversal API: #49028
fix GlobalError interop and add test case: #49033
Add flag to switch to the experimental channel: #48896
Fix extra block element in body: #49034
Fixed next-types-plugin causing Typescript errors when "type": "module" is set: #49027
Fixed middleware's edge-chunks not being copied in copyTracedFiles: #48723
Rename experimentalReact: #49046
app router: don't unmount/remount on search param changes: #49047
style: remove useless React.Fragment tag on next/image: #48997
feat: add draft mode to next/headers: #48789
Fix next dev failing for app when __NEXT_DISABLE_MEMORY_WATCHER is set: #49056
fix(next-core): interop non string record values in env: #49057
feat(next-core): support capsize for google font fallback: #48967
chore: use includes replace indexOf: #48901
feat: make enableUndici: true default and remove node-fetch: #49061
fix(next_core): do not apply user config to internal assets: #48210
update turbopack:

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Last checked 1 Oct 2026, 09:09 UTC

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13.4.0

4 May 2023GitHub Release

Core Changes

More fluent GraphTraversal API: #49028
fix GlobalError interop and add test case: #49033
Add flag to switch to the experimental channel: #48896
Fix extra block element in body: #49034
Fixed next-types-plugin causing Typescript errors when "type": "module" is set: #49027
Fixed middleware's edge-chunks not being copied in copyTracedFiles: #48723
Rename experimentalReact: #49046
app router: don't unmount/remount on search param changes: #49047
style: remove useless React.Fragment tag on next/image: #48997
feat: add draft mode to next/headers: #48789
Fix next dev failing for app when __NEXT_DISABLE_MEMORY_WATCHER is set: #49056
fix(next-core): interop non string record values in env: #49057
feat(next-core): support capsize for google font fallback: #48967
chore: use includes replace indexOf: #48901
feat: make enableUndici: true default and remove node-fetch: #49061
fix(next_core): do not apply user config to internal assets: #48210
update turbopack:

#49071

allow to use different blur placeholder modes: #49070

Use route metadata to trace in node-file-trace: #49080

fix quoted env vars from next config: #49090

find and handle not-found page in app dir: #49095

Update revalidate handling for app: #49062

Update turbopack warning: #49051

Add validation to server methods: #49104

use ws instead of undici.WebSocket: #49100

chore: rename draft mode enabled to isEnabled: #49096

add test cases for error handling: #49093

improve test case stability: #49036

Optimize non-dynamic metadata routes to static in production build: #49109

Allow setting runtime in layouts in type declarations: #49117

Tweak app cache handling for paths: #49108

add test case for non-enumerable exports: #49106

Skip handler for POST requests when no action ID is found: #49119

Fix edge runtime detection from layouts: #49126

Fix cross-worker revalidate API: #49101

app router: Fix infinite redirect loop in MPA navigation: #49058

Only read digest from error instance: #49132

Static generate dynamic sitemaps: #49114

Remove writing vscode config: #49133

Revert "Fix cross-worker revalidate API": #49138

Revert "Revert "Fix cross-worker revalidate API" (#49138)": #49141

fix(ts): make ReadonlyHeaders more compatible with Headers: #49075

app-router: update prefetch heuristic to traverse until until we hit a loading boundary: #49077

Forward response to edge runtime for response modification: #49145

Polyfill Blob for Node.js < 18: #49156

Update compilation target of @next/react-dev-overlay: #49153

Fix CSS module imports not included in root not-found file: #49155

app-router: fix stale cache handling: #49160

Add support for app global and segment 404 pages: #49085

Tests for Sass warnings: #49151

Ensure latest react-dom types for experimental release channel are used: #49049

Update cache methods for app dir: #49165

Search for lockfiles to find Turbopack root: #49110

Allow webpack config, but warn if no turbo config: #49170

Add a generic type for unstable_cache: #49166

Upgrade React to 18.3.0-canary-b7972822b-20230503: #49158

Fix server component transforms: #49135

Fix React channel env missing in custom server: #49168

app router: support side effects on server requests: #48939

Fix multipart/form-data handling in the Edge runtime: #49177

Upgrade React to 18.3.0-canary-aef7ce554-20230503: #49181

remove startup message by default: #49157

add test case for bindings in member props: #49134

Add test case for App Route cookies: #49124

Fix standalone mode with appDir running in a single process: #49116

Enable progressive enhanced form actions through decodeAction: #49187

Use special annotation for $$bound if no closure argument is attached: #49188

Add warning for missing metadataBase in social images: #49180

Allow override icon rel: #49194

actions: fix redirect on the edge: #49197

update turbopack: #49196

Fix incorrect React env in particular case: #49202

Add SWC test cases: #49189

action: add Readable.toWeb "polyfill" for node 16: #49201

add missing alias for next/dynamic in app dir: #49199

render app pages with original url: #49198

action: support not found: #49209

types: upgrade react/react-dom types: #49213

Fix metadata routes prerender cache for standalone mode: #49208

Turbopack alpha -> beta: #49103

Enable App Router for all applications: #49088

Documentation Changes

fix: wrong link in docs: #49001
Simplify CNA prompts a bit: #49063
Update create-next-app App Router question: #49111
chore(docs): update next-image-unconfigured-host.md: #49175

Example Changes

docs: Fix path of '.env.template': #49012
chore: simplify repo templates: #49073

Misc Changes

chore: Update swc_core to v0.75.41: #48982
Fix failing test on canary branch: #49038
Remove unused font from tailwind app/page.tsx: #49035
Add test case for file uploads: #49048
chore(cli): remove Route Handlers from App Router templates: #49076
Fix flaky test: #49178
disable optimistic_updates: #49211
test: temporary disable flaky checking: #49217

Credits

Huge thanks to @kdy1, @alexkirsz, @sokra, @shuding, @dciug, @albertothedev, @DuCanhGH, @feedthejim, @li-jia-nan, @styfle, @kwonoj, @patrick91, @timneutkens, @balazsorban44, @ijjk, @padmaia, @Kikobeats, @huozhi, @sophiebits, @eps1lon, @reconbot, @acdlite, @jridgewell, and @sebmarkbage for helping!

13.4.0#

Core Changes

13.4.0#

Core Changes

Documentation Changes

Example Changes

Misc Changes

Credits

13.4.0

13.4.0