Upgrade React from `8b2e903a-20260320` to `c0d218f0-20260324` by nextjs-bot · Pull Request #91869 · vercel/next.js

nextjs-bot · 2026-03-24T16:42:45Z

diff facebook/react@8b2e903a...c0d218f0

React upstream changes

nextjs-bot · 2026-03-24T17:09:59Z

Failing test suites

Commit: 6c2b749 | About building and testing Next.js

pnpm test-start test/e2e/app-dir/next-config-ts/tsconfig-extends/next-config-ts-tsconfig-extends-cjs.test.ts (job)

next-config-ts-tsconfig-extends-esm > should support tsconfig extends (ESM) (DD)

Expand output

● next-config-ts-tsconfig-extends-esm › should support tsconfig extends (ESM)

next build failed with code/signal 1

   97 |             if (code || signal)
   98 |               reject(
>  99 |                 new Error(
      |                 ^
  100 |                   `next build failed with code/signal ${code || signal}`
  101 |                 )
  102 |               )

  at ChildProcess.<anonymous> (lib/next-modes/next-start.ts:99:17)

pnpm test-start test/production/middleware-typescript/test/index.test.ts (job)

middleware-typescript > should have built and started (DD)

Expand output

● middleware-typescript › should have built and started

next build failed with code/signal 1

   97 |             if (code || signal)
   98 |               reject(
>  99 |                 new Error(
      |                 ^
  100 |                   `next build failed with code/signal ${code || signal}`
  101 |                 )
  102 |               )

  at ChildProcess.<anonymous> (lib/next-modes/next-start.ts:99:17)

pnpm test-start test/e2e/app-dir/next-config-ts/tsconfig-extends/next-config-ts-tsconfig-extends-esm.test.ts (job)

next-config-ts-tsconfig-extends-cjs > should support tsconfig extends (CJS) (DD)

Expand output

● next-config-ts-tsconfig-extends-cjs › should support tsconfig extends (CJS)

next build failed with code/signal 1

   97 |             if (code || signal)
   98 |               reject(
>  99 |                 new Error(
      |                 ^
  100 |                   `next build failed with code/signal ${code || signal}`
  101 |                 )
  102 |               )

  at ChildProcess.<anonymous> (lib/next-modes/next-start.ts:99:17)

pnpm test-start-turbo test/e2e/app-dir/use-params/use-params.test.ts (turbopack) (job)

app dir client cache with parallel routes > prefetch={true} > should re-use the cache for the full page, only for 5 mins (DD)

Expand output

● app dir client cache with parallel routes › prefetch={true} › should re-use the cache for the full page, only for 5 mins

thrown: "Exceeded timeout of 60000 ms for a test.
Add a timeout value to this test to increase the timeout, if this is a long-running test. See https://jestjs.io/docs/api#testname-fn-timeout."

  50 |       }
  51 |
> 52 |       const result = Reflect.apply(target, thisArg, args)
     |                              ^
  53 |       return typeof result === 'function' ? wrapJestTestFn(result) : result
  54 |     },
  55 |     get(target, prop, receiver) {

  at Object.apply (lib/e2e-utils/index.ts:52:30)
  at it (e2e/app-dir/app-client-cache/client-cache.parallel-routes.test.ts:56:5)
  at describe (e2e/app-dir/app-client-cache/client-cache.parallel-routes.test.ts:30:3)
  at Object.describe (e2e/app-dir/app-client-cache/client-cache.parallel-routes.test.ts:7:1)

nextjs-bot · 2026-03-24T17:13:41Z

Stats from current PR

✅ No significant changes detected

📊 All Metrics

📖 Metrics Glossary

Dev Server Metrics:

Listen = TCP port starts accepting connections
First Request = HTTP server returns successful response
Cold = Fresh build (no cache)
Warm = With cached build artifacts

Build Metrics:

Fresh = Clean build (no .next directory)
Cached = With existing .next directory

Change Thresholds:

Time: Changes < 50ms AND < 10%, OR < 2% are insignificant
Size: Changes < 1KB AND < 1% are insignificant
All other changes are flagged to catch regressions

⚡ Dev Server

Metric	Canary	PR	Change	Trend
Cold (Listen)	456ms	455ms	✓	█▁▃▁▁
Cold (Ready in log)	444ms	444ms	✓	█▁▃▁▁
Cold (First Request)	1.134s	1.109s	✓	█▂▃▂▂
Warm (Listen)	456ms	457ms	✓	█▁▃▁▁
Warm (Ready in log)	449ms	454ms	✓	█▁▃▁▁
Warm (First Request)	354ms	358ms	✓	█▁▂▁▁

📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric	Canary	PR	Change	Trend
Cold (Listen)	455ms	455ms	✓	▁▁▁█▁
Cold (Ready in log)	438ms	439ms	✓	▁▁▁█▁
Cold (First Request)	1.949s	1.957s	✓	▁▁▂█▃
Warm (Listen)	457ms	456ms	✓	▁▁▁█▁
Warm (Ready in log)	437ms	439ms	✓	▁▁▁█▁
Warm (First Request)	1.953s	1.960s	✓	▁▁▂█▂

⚡ Production Builds

Metric	Canary	PR	Change	Trend
Fresh Build	3.951s	3.968s	✓	█▁▃▂▁
Cached Build	3.976s	4.018s	✓	█▁▃▂▁

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change	Trend
Fresh Build	14.374s	14.394s	✓	▁▁▁█▁
Cached Build	14.517s	14.543s	✓	▁▁▁█▁
node_modules Size	484 MB	484 MB	✓	█████

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles

	Canary	PR	Change
0-d~0o3ehhgmw.js gzip	151 B	N/A	-
0~lwfcrlb4v_9.css gzip	115 B	115 B	✓
00h0nz7r436~l.js gzip	13.3 kB	N/A	-
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03~yq9q893hmn.js gzip	39.4 kB	39.4 kB	✓
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04wavr--oh-1-.js gzip	N/A	155 B	-
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0pzv1cr_lc8sc.js gzip	N/A	154 B	-
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10wkq1h9jzkg..js gzip	N/A	225 B	-
12s.i1.5kfw6p.js gzip	N/A	168 B	-
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143nm3aj63v.8.js gzip	N/A	152 B	-
149ndfh8zfcaz.js gzip	N/A	8.53 kB	-
17k93ax5wtsuz.js gzip	N/A	70.8 kB	-
17vn26efzi_wl.js gzip	N/A	154 B	-
turbopack-01..1zy5.js gzip	N/A	4.15 kB	-
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turbopack-13..jmn~.js gzip	N/A	4.16 kB	-
Total	463 kB	463 kB	✅ -36 B

Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	713 B	711 B	✓
Total	713 B	711 B	✅ -2 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	431 B	430 B	✓
Total	431 B	430 B	✅ -1 B

📦 Webpack

Client

Main Bundles

	Canary	PR	Change
5528-HASH.js gzip	5.54 kB	N/A	-
6280-HASH.js gzip	60.6 kB	N/A	-
6335.HASH.js gzip	169 B	N/A	-
912-HASH.js gzip	4.59 kB	N/A	-
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framework-HASH.js gzip	59.7 kB	59.7 kB	✓
main-app-HASH.js gzip	255 B	255 B	✓
main-HASH.js gzip	39.3 kB	39.2 kB	✓
webpack-HASH.js gzip	1.68 kB	1.68 kB	✓
262-HASH.js gzip	N/A	4.59 kB	-
2889.HASH.js gzip	N/A	169 B	-
5602-HASH.js gzip	N/A	5.55 kB	-
6948ada0-HASH.js gzip	N/A	62.8 kB	-
9544-HASH.js gzip	N/A	61.3 kB	-
Total	235 kB	235 kB	⚠️ +701 B

Polyfills

	Canary	PR	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Total	39.4 kB	39.4 kB	✓

Pages

	Canary	PR	Change
_app-HASH.js gzip	194 B	194 B	✓
_error-HASH.js gzip	183 B	180 B	🟢 3 B (-2%)
css-HASH.js gzip	331 B	330 B	✓
dynamic-HASH.js gzip	1.81 kB	1.81 kB	✓
edge-ssr-HASH.js gzip	256 B	256 B	✓
head-HASH.js gzip	351 B	352 B	✓
hooks-HASH.js gzip	384 B	383 B	✓
image-HASH.js gzip	580 B	581 B	✓
index-HASH.js gzip	260 B	260 B	✓
link-HASH.js gzip	2.51 kB	2.51 kB	✓
routerDirect..HASH.js gzip	320 B	319 B	✓
script-HASH.js gzip	386 B	386 B	✓
withRouter-HASH.js gzip	315 B	315 B	✓
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Total	7.98 kB	7.98 kB	✅ -1 B

Server

Edge SSR

	Canary	PR	Change
edge-ssr.js gzip	125 kB	125 kB	✓
page.js gzip	270 kB	270 kB	✓
Total	395 kB	395 kB	⚠️ +163 B

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	616 B	616 B	✓
middleware-r..fest.js gzip	156 B	155 B	✓
middleware.js gzip	43.7 kB	44.1 kB	✓
edge-runtime..pack.js gzip	842 B	842 B	✓
Total	45.3 kB	45.7 kB	⚠️ +389 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	715 B	718 B	✓
Total	715 B	718 B	⚠️ +3 B

Build Cache

	Canary	PR	Change
0.pack gzip	4.34 MB	4.33 MB	🟢 14.6 kB (0%)
index.pack gzip	110 kB	111 kB	✓
index.pack.old gzip	110 kB	109 kB	✓
Total	4.56 MB	4.55 MB	✅ -14.2 kB

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
app-page-exp...dev.js gzip	334 kB	334 kB	✓
app-page-exp..prod.js gzip	182 kB	182 kB	✓
app-page-tur...dev.js gzip	334 kB	334 kB	✓
app-page-tur..prod.js gzip	181 kB	181 kB	✓
app-page-tur...dev.js gzip	330 kB	330 kB	✓
app-page-tur..prod.js gzip	179 kB	179 kB	✓
app-page.run...dev.js gzip	331 kB	331 kB	✓
app-page.run..prod.js gzip	180 kB	180 kB	✓
app-route-ex...dev.js gzip	76.2 kB	76.2 kB	✓
app-route-ex..prod.js gzip	51.8 kB	51.8 kB	✓
app-route-tu...dev.js gzip	76.2 kB	76.2 kB	✓
app-route-tu..prod.js gzip	51.9 kB	51.9 kB	✓
app-route-tu...dev.js gzip	75.8 kB	75.8 kB	✓
app-route-tu..prod.js gzip	51.6 kB	51.6 kB	✓
app-route.ru...dev.js gzip	75.8 kB	75.8 kB	✓
app-route.ru..prod.js gzip	51.6 kB	51.6 kB	✓
dist_client_...dev.js gzip	324 B	324 B	✓
dist_client_...dev.js gzip	326 B	326 B	✓
dist_client_...dev.js gzip	318 B	318 B	✓
dist_client_...dev.js gzip	317 B	317 B	✓
pages-api-tu...dev.js gzip	43.4 kB	43.4 kB	✓
pages-api-tu..prod.js gzip	33 kB	33 kB	✓
pages-api.ru...dev.js gzip	43.4 kB	43.4 kB	✓
pages-api.ru..prod.js gzip	33 kB	33 kB	✓
pages-turbo....dev.js gzip	52.8 kB	52.8 kB	✓
pages-turbo...prod.js gzip	38.6 kB	38.6 kB	✓
pages.runtim...dev.js gzip	52.8 kB	52.8 kB	✓
pages.runtim..prod.js gzip	38.6 kB	38.6 kB	✓
server.runti..prod.js gzip	62.5 kB	62.5 kB	✓
Total	2.96 MB	2.96 MB	✅ -11 B

📝 Changed Files (5 files)

Files with changes:

app-page-exp..ntime.dev.js
app-page-tur..ntime.dev.js
app-page-tur..ntime.dev.js
app-page.runtime.dev.js
server.runtime.prod.js

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app-page-exp..ntime.dev.js

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app-page-tur..ntime.dev.js

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server.runtime.prod.js

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📎 Tarball URL

https://vercel-packages.vercel.app/next/commits/69f2019815e831909db5439582a2a973d5958f09/next

nextjs-bot added 6 commits March 24, 2026 16:41

Update react@experimental

1c64873

Update react

2898b90

Updated peer dependency references in apps

c9c5bfb

Updated peer dependency references in libraries

6bbc36b

Update lockfile

58e8be4

ncc-compiled

6c2b749

nextjs-bot assigned eps1lon Mar 24, 2026

nextjs-bot requested a review from eps1lon March 24, 2026 16:42

nextjs-bot added type: react-sync CI approved Approve running CI for fork type: next labels Mar 24, 2026

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Upgrade React from `8b2e903a-20260320` to `c0d218f0-20260324`#91869

Upgrade React from `8b2e903a-20260320` to `c0d218f0-20260324`#91869
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