Upgrade React from 5b51a2b9-20250116 to 9b62ee71-20250122

[vercel-release-bot]

diff facebook/[email protected]

React upstream changes

• docs(eslint-plugin-react-compiler): fix typo facebook/react#32149
• Include error name in error chunks facebook/react#32157
• DevTools: support useEffectEvent and forward-fix experimental prefix support facebook/react#32106
• Add Transition Types facebook/react#32105
• Support eslint 8+ flat plugin syntax out of the box for eslint-plugin-react-compiler facebook/react#32120
• [Flight] Transport custom error names in dev mode facebook/react#32116
• [eslint-plugin-react-hooks] Inline meta fields facebook/react#32115
• [Fizz] Support Suspense boundaries anywhere facebook/react#32069
• [ci] Use correct actor when checking if maintainer facebook/react#32112
• [compiler] validation against calling impure functions facebook/react#31960
• Fix moveBefore feature detection facebook/react#32087
• [ci] Fix maintainer output condition check facebook/react#32111
• Fix maintainer check condition facebook/react#32110
• feat(eslint-plugin-react-hooks): support flat config facebook/react#30774
• [ci] Only notify after labeling facebook/react#32103
• Fix outdated maintainers list facebook/react#32102
• Add Jordan B to maintainers facebook/react@5a274a37e (Jordan Brown)
• [ci] Use shared maintainer check for discord notifications facebook/react#32101
• [ci] Automatically label PRs from core team facebook/react#32100
• [rcr] Always target node facebook/react#32091
• [ci] Better filtering for discord notifications facebook/react#32092
• React DevTools 6.0.1 -> 6.1.0 facebook/react#32090

[ijjk]

Failing test suites

Commit: 9460fc2

pnpm test test/integration/export-default-map/test/index.test.js (turbopack)

• Export with default map > production mode > should export with folder that has dot in name
• Export with default map > production mode > should export an amp only page to clean path
• Export with default map > production mode > should export hybrid amp page correctly
• Export with default map > production mode > should export nested hybrid amp page correctly
• Export with default map > production mode > should export nested hybrid amp page correctly with folder
• Export with default map > production mode > should export hybrid index amp page correctly

Expand output

● Export with default map › production mode › should export with folder that has dot in name

command failed with code 1 signal null
 ⚠ Linting is disabled.
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   ▲ Next.js 15.2.0-canary.19 (Turbopack)

   Checking validity of types ...
   Creating an optimized production build ...
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Building (0/8) ...
   Building (2/8) 
   Building (4/8) 
   Building (6/8) 
 ✓ Building (8/8)
 ✓ Compiled successfully in 2.2s
   Collecting page data ...
   Generating static pages (0/9) ...
   Generating static pages (2/9) 
Error occurred prerendering page "/docs". Read more: https://nextjs.org/docs/messages/prerender-error
AssertionError: Assertion failed: WebAssembly is uninitialized

  at new module$contents$goog$asserts_AssertionError (../evalmachine.<anonymous>:106:1695)
  at module$contents$goog$asserts_doAssertFailure (../evalmachine.<anonymous>:107:354)
  at goog.asserts.assertExists (../evalmachine.<anonymous>:109:142)
  at Object.module$contents$amp$validator_validateString [as validateString] (../evalmachine.<anonymous>:2663:108)
  at Validator.validateString (../packages/next/dist/compiled/amphtml-validator/index.js:1:20650)
  at validateAmp (../packages/next/dist/export/routes/pages.js:87:34)
  at async exportPagesPage (../packages/next/dist/export/routes/pages.js:121:17)
  at async Span.traceAsyncFn (../packages/next/dist/trace/trace.js:156:20)
  at async exportPage (../packages/next/dist/export/worker.js:345:18)
  Export encountered an error on /docs, exiting the build.
   ⨯ Static worker exited with code: 1 and signal: null
  at ChildProcess.<anonymous> (lib/next-test-utils.ts:310:11)

● Export with default map › production mode › should export an amp only page to clean path

command failed with code 1 signal null
 ⚠ Linting is disabled.
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   ▲ Next.js 15.2.0-canary.19 (Turbopack)

   Checking validity of types ...
   Creating an optimized production build ...
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Building (0/8) ...
   Building (2/8) 
   Building (4/8) 
   Building (6/8) 
 ✓ Building (8/8)
 ✓ Compiled successfully in 2.2s
   Collecting page data ...
   Generating static pages (0/9) ...
   Generating static pages (2/9) 
Error occurred prerendering page "/docs". Read more: https://nextjs.org/docs/messages/prerender-error
AssertionError: Assertion failed: WebAssembly is uninitialized

  at new module$contents$goog$asserts_AssertionError (../evalmachine.<anonymous>:106:1695)
  at module$contents$goog$asserts_doAssertFailure (../evalmachine.<anonymous>:107:354)
  at goog.asserts.assertExists (../evalmachine.<anonymous>:109:142)
  at Object.module$contents$amp$validator_validateString [as validateString] (../evalmachine.<anonymous>:2663:108)
  at Validator.validateString (../packages/next/dist/compiled/amphtml-validator/index.js:1:20650)
  at validateAmp (../packages/next/dist/export/routes/pages.js:87:34)
  at async exportPagesPage (../packages/next/dist/export/routes/pages.js:121:17)
  at async Span.traceAsyncFn (../packages/next/dist/trace/trace.js:156:20)
  at async exportPage (../packages/next/dist/export/worker.js:345:18)
  Export encountered an error on /docs, exiting the build.
   ⨯ Static worker exited with code: 1 and signal: null
  at ChildProcess.<anonymous> (lib/next-test-utils.ts:310:11)

● Export with default map › production mode › should export hybrid amp page correctly

command failed with code 1 signal null
 ⚠ Linting is disabled.
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   ▲ Next.js 15.2.0-canary.19 (Turbopack)

   Checking validity of types ...
   Creating an optimized production build ...
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Building (0/8) ...
   Building (2/8) 
   Building (4/8) 
   Building (6/8) 
 ✓ Building (8/8)
 ✓ Compiled successfully in 2.2s
   Collecting page data ...
   Generating static pages (0/9) ...
   Generating static pages (2/9) 
Error occurred prerendering page "/docs". Read more: https://nextjs.org/docs/messages/prerender-error
AssertionError: Assertion failed: WebAssembly is uninitialized

  at new module$contents$goog$asserts_AssertionError (../evalmachine.<anonymous>:106:1695)
  at module$contents$goog$asserts_doAssertFailure (../evalmachine.<anonymous>:107:354)
  at goog.asserts.assertExists (../evalmachine.<anonymous>:109:142)
  at Object.module$contents$amp$validator_validateString [as validateString] (../evalmachine.<anonymous>:2663:108)
  at Validator.validateString (../packages/next/dist/compiled/amphtml-validator/index.js:1:20650)
  at validateAmp (../packages/next/dist/export/routes/pages.js:87:34)
  at async exportPagesPage (../packages/next/dist/export/routes/pages.js:121:17)
  at async Span.traceAsyncFn (../packages/next/dist/trace/trace.js:156:20)
  at async exportPage (../packages/next/dist/export/worker.js:345:18)
  Export encountered an error on /docs, exiting the build.
   ⨯ Static worker exited with code: 1 and signal: null
  at ChildProcess.<anonymous> (lib/next-test-utils.ts:310:11)

● Export with default map › production mode › should export nested hybrid amp page correctly

command failed with code 1 signal null
 ⚠ Linting is disabled.
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   ▲ Next.js 15.2.0-canary.19 (Turbopack)

   Checking validity of types ...
   Creating an optimized production build ...
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Building (0/8) ...
   Building (2/8) 
   Building (4/8) 
   Building (6/8) 
 ✓ Building (8/8)
 ✓ Compiled successfully in 2.2s
   Collecting page data ...
   Generating static pages (0/9) ...
   Generating static pages (2/9) 
Error occurred prerendering page "/docs". Read more: https://nextjs.org/docs/messages/prerender-error
AssertionError: Assertion failed: WebAssembly is uninitialized

  at new module$contents$goog$asserts_AssertionError (../evalmachine.<anonymous>:106:1695)
  at module$contents$goog$asserts_doAssertFailure (../evalmachine.<anonymous>:107:354)
  at goog.asserts.assertExists (../evalmachine.<anonymous>:109:142)
  at Object.module$contents$amp$validator_validateString [as validateString] (../evalmachine.<anonymous>:2663:108)
  at Validator.validateString (../packages/next/dist/compiled/amphtml-validator/index.js:1:20650)
  at validateAmp (../packages/next/dist/export/routes/pages.js:87:34)
  at async exportPagesPage (../packages/next/dist/export/routes/pages.js:121:17)
  at async Span.traceAsyncFn (../packages/next/dist/trace/trace.js:156:20)
  at async exportPage (../packages/next/dist/export/worker.js:345:18)
  Export encountered an error on /docs, exiting the build.
   ⨯ Static worker exited with code: 1 and signal: null
  at ChildProcess.<anonymous> (lib/next-test-utils.ts:310:11)

● Export with default map › production mode › should export nested hybrid amp page correctly with folder

command failed with code 1 signal null
 ⚠ Linting is disabled.
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   ▲ Next.js 15.2.0-canary.19 (Turbopack)

   Checking validity of types ...
   Creating an optimized production build ...
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Building (0/8) ...
   Building (2/8) 
   Building (4/8) 
   Building (6/8) 
 ✓ Building (8/8)
 ✓ Compiled successfully in 2.2s
   Collecting page data ...
   Generating static pages (0/9) ...
   Generating static pages (2/9) 
Error occurred prerendering page "/docs". Read more: https://nextjs.org/docs/messages/prerender-error
AssertionError: Assertion failed: WebAssembly is uninitialized

  at new module$contents$goog$asserts_AssertionError (../evalmachine.<anonymous>:106:1695)
  at module$contents$goog$asserts_doAssertFailure (../evalmachine.<anonymous>:107:354)
  at goog.asserts.assertExists (../evalmachine.<anonymous>:109:142)
  at Object.module$contents$amp$validator_validateString [as validateString] (../evalmachine.<anonymous>:2663:108)
  at Validator.validateString (../packages/next/dist/compiled/amphtml-validator/index.js:1:20650)
  at validateAmp (../packages/next/dist/export/routes/pages.js:87:34)
  at async exportPagesPage (../packages/next/dist/export/routes/pages.js:121:17)
  at async Span.traceAsyncFn (../packages/next/dist/trace/trace.js:156:20)
  at async exportPage (../packages/next/dist/export/worker.js:345:18)
  Export encountered an error on /docs, exiting the build.
   ⨯ Static worker exited with code: 1 and signal: null
  at ChildProcess.<anonymous> (lib/next-test-utils.ts:310:11)

● Export with default map › production mode › should export hybrid index amp page correctly

command failed with code 1 signal null
 ⚠ Linting is disabled.
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   ▲ Next.js 15.2.0-canary.19 (Turbopack)

   Checking validity of types ...
   Creating an optimized production build ...
   Loading config from /root/actions-runner/_work/next.js/next.js/test/integration/export-default-map/next.config.js
   Building (0/8) ...
   Building (2/8) 
   Building (4/8) 
   Building (6/8) 
 ✓ Building (8/8)
 ✓ Compiled successfully in 2.2s
   Collecting page data ...
   Generating static pages (0/9) ...
   Generating static pages (2/9) 
Error occurred prerendering page "/docs". Read more: https://nextjs.org/docs/messages/prerender-error
AssertionError: Assertion failed: WebAssembly is uninitialized

  at new module$contents$goog$asserts_AssertionError (../evalmachine.<anonymous>:106:1695)
  at module$contents$goog$asserts_doAssertFailure (../evalmachine.<anonymous>:107:354)
  at goog.asserts.assertExists (../evalmachine.<anonymous>:109:142)
  at Object.module$contents$amp$validator_validateString [as validateString] (../evalmachine.<anonymous>:2663:108)
  at Validator.validateString (../packages/next/dist/compiled/amphtml-validator/index.js:1:20650)
  at validateAmp (../packages/next/dist/export/routes/pages.js:87:34)
  at async exportPagesPage (../packages/next/dist/export/routes/pages.js:121:17)
  at async Span.traceAsyncFn (../packages/next/dist/trace/trace.js:156:20)
  at async exportPage (../packages/next/dist/export/worker.js:345:18)
  Export encountered an error on /docs, exiting the build.
   ⨯ Static worker exited with code: 1 and signal: null
  at ChildProcess.<anonymous> (lib/next-test-utils.ts:310:11)

Read more about building and testing Next.js in contributing.md.

[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
buildDuration	21.1s	19.3s	N/A
buildDurationCached	18.4s	15.5s	N/A
nodeModulesSize	418 MB	419 MB	⚠️ +597 kB
nextStartRea..uration (ms)	478ms	489ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
5306-HASH.js gzip	54 kB	54 kB	N/A
8276.HASH.js gzip	169 B	168 B	N/A
8377-HASH.js gzip	5.46 kB	5.46 kB	N/A
bccd1874-HASH.js gzip	52.9 kB	52.9 kB	✓
framework-HASH.js gzip	57.5 kB	57.5 kB	N/A
main-app-HASH.js gzip	240 B	242 B	N/A
main-HASH.js gzip	34.6 kB	34.6 kB	N/A
webpack-HASH.js gzip	1.71 kB	1.71 kB	N/A
Overall change	52.9 kB	52.9 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Overall change	39.4 kB	39.4 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
_app-HASH.js gzip	193 B	193 B	✓
_error-HASH.js gzip	193 B	193 B	✓
amp-HASH.js gzip	512 B	510 B	N/A
css-HASH.js gzip	343 B	342 B	N/A
dynamic-HASH.js gzip	1.84 kB	1.84 kB	✓
edge-ssr-HASH.js gzip	265 B	265 B	✓
head-HASH.js gzip	363 B	362 B	N/A
hooks-HASH.js gzip	393 B	392 B	N/A
image-HASH.js gzip	4.59 kB	4.58 kB	N/A
index-HASH.js gzip	268 B	268 B	✓
link-HASH.js gzip	2.35 kB	2.35 kB	N/A
routerDirect..HASH.js gzip	328 B	328 B	✓
script-HASH.js gzip	397 B	397 B	✓
withRouter-HASH.js gzip	323 B	326 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	3.59 kB	3.59 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
_buildManifest.js gzip	748 B	747 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
index.html gzip	524 B	523 B	N/A
link.html gzip	540 B	538 B	N/A
withRouter.html gzip	520 B	520 B	✓
Overall change	520 B	520 B	✓

Edge SSR bundle Size Overall increase ⚠️

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
edge-ssr.js gzip	129 kB	129 kB	N/A
page.js gzip	208 kB	209 kB	⚠️ +692 B
Overall change	208 kB	209 kB	⚠️ +692 B

Middleware size

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
middleware-b..fest.js gzip	669 B	667 B	N/A
middleware-r..fest.js gzip	155 B	156 B	N/A
middleware.js gzip	31.3 kB	31.3 kB	N/A
edge-runtime..pack.js gzip	844 B	844 B	✓
Overall change	844 B	844 B	✓

Next Runtimes Overall increase ⚠️

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
274-experime...dev.js gzip	322 B	322 B	✓
274.runtime.dev.js gzip	314 B	314 B	✓
app-page-exp...dev.js gzip	375 kB	376 kB	⚠️ +1.2 kB
app-page-exp..prod.js gzip	130 kB	131 kB	⚠️ +772 B
app-page-tur..prod.js gzip	143 kB	144 kB	⚠️ +772 B
app-page-tur..prod.js gzip	139 kB	139 kB	⚠️ +749 B
app-page.run...dev.js gzip	363 kB	364 kB	⚠️ +976 B
app-page.run..prod.js gzip	126 kB	127 kB	⚠️ +747 B
app-route-ex...dev.js gzip	37.6 kB	37.6 kB	N/A
app-route-ex..prod.js gzip	25.6 kB	25.6 kB	N/A
app-route-tu..prod.js gzip	25.6 kB	25.6 kB	N/A
app-route-tu..prod.js gzip	25.4 kB	25.4 kB	N/A
app-route.ru...dev.js gzip	39.2 kB	39.2 kB	N/A
app-route.ru..prod.js gzip	25.4 kB	25.4 kB	N/A
pages-api-tu..prod.js gzip	9.69 kB	9.69 kB	✓
pages-api.ru...dev.js gzip	11.6 kB	11.6 kB	✓
pages-api.ru..prod.js gzip	9.68 kB	9.68 kB	✓
pages-turbo...prod.js gzip	21.9 kB	21.9 kB	✓
pages.runtim...dev.js gzip	27.7 kB	27.7 kB	✓
pages.runtim..prod.js gzip	21.9 kB	21.9 kB	✓
server.runti..prod.js gzip	916 kB	916 kB	N/A
Overall change	1.38 MB	1.38 MB	⚠️ +5.21 kB

build cache Overall increase ⚠️

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-9b62ee71-20250122	Change
0.pack gzip	2.1 MB	2.1 MB	⚠️ +3.38 kB
index.pack gzip	75.5 kB	74.7 kB	N/A
Overall change	2.1 MB	2.1 MB	⚠️ +3.38 kB

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Commit: 9460fc2