Upgrade React from f0edf41e-20250115 to b158439a-20250115

[vercel-release-bot]

diff facebook/react@f0edf41e...b158439a

React upstream changes

• chore[DevTools]: don't use batchedUpdate facebook/react#32074
• Flag to remove www console forks facebook/react#32058
• Reduce risk of leaving shipped Hooks as nullable on Dispatcher facebook/react#32068

[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-b158439a-20250115	Change
buildDuration	16.8s	15.2s	N/A
buildDurationCached	14.3s	12.1s	N/A
nodeModulesSize	418 MB	418 MB	⚠️ +12.9 kB
nextStartRea..uration (ms)	418ms	420ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-b158439a-20250115	Change
5306-HASH.js gzip	53.9 kB	53.9 kB	N/A
8276.HASH.js gzip	169 B	168 B	N/A
8377-HASH.js gzip	5.44 kB	5.44 kB	N/A
bccd1874-HASH.js gzip	52.9 kB	52.9 kB	N/A
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	34.2 kB	34.2 kB	N/A
webpack-HASH.js gzip	1.71 kB	1.71 kB	N/A
Overall change	0 B	0 B	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-b158439a-20250115	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-b158439a-20250115	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	4.57 kB	4.57 kB	N/A
index-HASH.js gzip	268 B	268 B	✓
link-HASH.js gzip	2.35 kB	2.34 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-b158439a-20250115	Change
_buildManifest.js gzip	749 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-b158439a-20250115	Change
index.html gzip	524 B	523 B	N/A
link.html gzip	539 B	538 B	N/A
withRouter.html gzip	520 B	520 B	✓
Overall change	520 B	520 B	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-b158439a-20250115	Change
edge-ssr.js gzip	129 kB	129 kB	N/A
page.js gzip	208 kB	208 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-b158439a-20250115	Change
middleware-b..fest.js gzip	668 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

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-b158439a-20250115	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	374 kB	374 kB	N/A
app-page-exp..prod.js gzip	130 kB	130 kB	N/A
app-page-tur..prod.js gzip	143 kB	143 kB	N/A
app-page-tur..prod.js gzip	139 kB	139 kB	N/A
app-page.run...dev.js gzip	362 kB	362 kB	N/A
app-page.run..prod.js gzip	126 kB	126 kB	N/A
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	21.7 kB	21.7 kB	✓
pages.runtim...dev.js gzip	27.5 kB	27.5 kB	✓
pages.runtim..prod.js gzip	21.7 kB	21.7 kB	✓
server.runti..prod.js gzip	916 kB	916 kB	N/A
Overall change	103 kB	103 kB	✓

build cache Overall increase ⚠️

	vercel/next.js canary	vercel/next.js update/react/19.1.0-canary-b158439a-20250115	Change
0.pack gzip	2.09 MB	2.1 MB	⚠️ +490 B
index.pack gzip	75.1 kB	75.9 kB	⚠️ +802 B
Overall change	2.17 MB	2.17 MB	⚠️ +1.29 kB

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Commit: 99c28a6

[ijjk]

Failing test suites

Commit: 99c28a6

pnpm test-dev-turbo test/development/acceptance/ReactRefreshRequire.test.ts (turbopack)

• ReactRefreshRequire > propagates a module that stops accepting in next version

Expand output

● ReactRefreshRequire › propagates a module that stops accepting in next version

expect(received).toEqual(expected) // deep equality

- Expected  - 0
+ Received  + 1

  Array [
    "init BarV1.1",
+   "init BarV1.1",
  ]

  399 |         `window.log.push('init BarV1.1'); export default function Bar() {};`
  400 |       ))
> 401 |     expect(await session.evaluate(() => (window as any).log)).toEqual([
      |                                                               ^
  402 |       'init BarV1.1',
  403 |     ])
  404 |

  at Object.toEqual (development/acceptance/ReactRefreshRequire.test.ts:401:63)

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

[graphite-app]

Merge activity

• Jan 15, 7:17 PM GMT+1: Graphite disabled "merge when ready" on this PR due to: a merge conflict with the target branch; resolve the conflict and try again..