Upgrade React from `4842fbea-20260217` to `3a2bee26-20260218` by nextjs-bot · Pull Request #90195 · vercel/next.js

nextjs-bot · 2026-02-19T16:35:10Z

diff facebook/react@4842fbea...3a2bee26

React upstream changes

[DevTools] Fix alignment of breadcrumbs separator facebook/react#35817

nextjs-bot · 2026-02-19T16:43:45Z

Failing test suites

Commit: f737737 | About building and testing Next.js

pnpm test-dev-turbo test/e2e/app-dir/metadata/metadata.test.ts (turbopack) (job)

app dir - metadata > basic > should support title and description (DD)

Expand output

● app dir - metadata › basic › should support title and description

expect(received).toBe(expected) // Object.is equality

Expected: "this is the page title"
Received: "this is the layout title"

  25 |     it('should support title and description', async () => {
  26 |       const browser = await next.browser('/title')
> 27 |       expect(await browser.eval(`document.title`)).toBe(
     |                                                    ^
  28 |         'this is the page title'
  29 |       )
  30 |       await checkMetaNameContentPair(

  at Object.toBe (e2e/app-dir/metadata/metadata.test.ts:27:52)

pnpm test-dev test/development/app-dir/server-components-hmr-cache/server-components-hmr-cache.test.ts (job)

server-components-hmr-cache > should support reading from an infinite streaming fetch (DD)

Expand output

● server-components-hmr-cache › should support reading from an infinite streaming fetch

thrown: "Exceeded timeout of 10000 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."

  224 |   })
  225 |
> 226 |   it('should support reading from an infinite streaming fetch', async () => {
      |   ^
  227 |     const browser = await next.browser('/infinite-stream')
  228 |     const text = await browser.elementByCss('p').text()
  229 |     expect(text).toBe('data: chunk-1')

  at it (development/app-dir/server-components-hmr-cache/server-components-hmr-cache.test.ts:226:3)
  at Object.describe (development/app-dir/server-components-hmr-cache/server-components-hmr-cache.test.ts:6:1)

nextjs-bot · 2026-02-19T16:54:24Z

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)	559ms	558ms	✓	▁▁▁▁█
Cold (Ready in log)	515ms	514ms	✓	▁▁▁▁█
Cold (First Request)	1.105s	1.105s	✓	▁▃▃▁█
Warm (Listen)	559ms	556ms	✓	▁▁▁▁█
Warm (Ready in log)	517ms	513ms	✓	▁▁▁▁█
Warm (First Request)	402ms	420ms	✓	▁▂▁▂█

📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric	Canary	PR	Change	Trend
Cold (Listen)	456ms	455ms	✓	█▁▁▁▅
Cold (Ready in log)	438ms	438ms	✓	█▂▁▂▄
Cold (First Request)	1.978s	1.949s	✓	█▁▁▁▄
Warm (Listen)	455ms	455ms	✓	█▁▁▁▄
Warm (Ready in log)	437ms	439ms	✓	█▃▁▂▅
Warm (First Request)	1.972s	1.983s	✓	█▁▁▂▄

⚡ Production Builds

Metric	Canary	PR	Change	Trend
Fresh Build	4.920s	5.044s	✓	▃▁▁▂█
Cached Build	5.009s	4.933s	✓	▃▁▁▂█

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change	Trend
Fresh Build	14.065s	14.059s	✓	█▁▁▁▄
Cached Build	14.128s	14.089s	✓	█▁▁▁▄
node_modules Size	473 MB	473 MB	✓	▁▁▁▁█

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **398 kB** → **398 kB** ✅ -10 B

80 files with content-based hashes (individual files not comparable between builds)

Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	760 B	764 B	✓
Total	760 B	764 B	⚠️ +4 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	451 B	451 B	✓
Total	451 B	451 B	✓

📦 Webpack

Client

Main Bundles

	Canary	PR	Change
5528-HASH.js gzip	5.47 kB	N/A	-
6280-HASH.js gzip	57.2 kB	N/A	-
6335.HASH.js gzip	169 B	N/A	-
912-HASH.js gzip	4.53 kB	N/A	-
e8aec2e4-HASH.js gzip	62.6 kB	N/A	-
framework-HASH.js gzip	59.7 kB	59.7 kB	✓
main-app-HASH.js gzip	256 B	254 B	✓
main-HASH.js gzip	39.1 kB	39.1 kB	✓
webpack-HASH.js gzip	1.68 kB	1.68 kB	✓
262-HASH.js gzip	N/A	4.53 kB	-
2889.HASH.js gzip	N/A	169 B	-
5602-HASH.js gzip	N/A	5.48 kB	-
6948ada0-HASH.js gzip	N/A	62.6 kB	-
9544-HASH.js gzip	N/A	57.9 kB	-
Total	231 kB	231 kB	⚠️ +714 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	2.5 kB	2.5 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	7.97 kB	7.97 kB	✅ -2 B

Server

Edge SSR

	Canary	PR	Change
edge-ssr.js gzip	125 kB	125 kB	✓
page.js gzip	252 kB	252 kB	✓
Total	376 kB	376 kB	✅ -89 B

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	615 B	616 B	✓
middleware-r..fest.js gzip	156 B	155 B	✓
middleware.js gzip	43.8 kB	43.8 kB	✓
edge-runtime..pack.js gzip	842 B	842 B	✓
Total	45.4 kB	45.4 kB	⚠️ +46 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	3.92 MB	3.93 MB	🔴 +9.17 kB (+0%)
index.pack gzip	103 kB	104 kB	🔴 +1.1 kB (+1%)
index.pack.old gzip	103 kB	102 kB	✓
Total	4.12 MB	4.13 MB	⚠️ +9.64 kB

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
app-page-exp...dev.js gzip	317 kB	317 kB	✓
app-page-exp..prod.js gzip	168 kB	168 kB	✓
app-page-tur...dev.js gzip	316 kB	316 kB	✓
app-page-tur..prod.js gzip	168 kB	168 kB	✓
app-page-tur...dev.js gzip	313 kB	313 kB	✓
app-page-tur..prod.js gzip	166 kB	166 kB	✓
app-page.run...dev.js gzip	313 kB	313 kB	✓
app-page.run..prod.js gzip	167 kB	167 kB	✓
app-route-ex...dev.js gzip	70.6 kB	70.6 kB	✓
app-route-ex..prod.js gzip	49.1 kB	49.1 kB	✓
app-route-tu...dev.js gzip	70.6 kB	70.6 kB	✓
app-route-tu..prod.js gzip	49.1 kB	49.1 kB	✓
app-route-tu...dev.js gzip	70.2 kB	70.2 kB	✓
app-route-tu..prod.js gzip	48.9 kB	48.9 kB	✓
app-route.ru...dev.js gzip	70.2 kB	70.2 kB	✓
app-route.ru..prod.js gzip	48.9 kB	48.9 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	43.2 kB	43.2 kB	✓
pages-api-tu..prod.js gzip	32.9 kB	32.9 kB	✓
pages-api.ru...dev.js gzip	43.2 kB	43.2 kB	✓
pages-api.ru..prod.js gzip	32.8 kB	32.8 kB	✓
pages-turbo....dev.js gzip	52.5 kB	52.5 kB	✓
pages-turbo...prod.js gzip	38.4 kB	38.4 kB	✓
pages.runtim...dev.js gzip	52.5 kB	52.5 kB	✓
pages.runtim..prod.js gzip	38.4 kB	38.4 kB	✓
server.runti..prod.js gzip	63.6 kB	63.6 kB	✓
Total	2.8 MB	2.8 MB	✅ -17 B

📝 Changed Files (9 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
app-route-ex..time.prod.js
app-route-tu..time.prod.js
app-route-tu..time.prod.js
app-route.ru..time.prod.js
server.runtime.prod.js

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nextjs-bot added 6 commits February 19, 2026 16:33

Update react@experimental

09cf184

Update react

e165c92

Updated peer dependency references in apps

e2a78f6

Updated peer dependency references in libraries

8b5917d

Update lockfile

114a528

ncc-compiled

f737737

nextjs-bot assigned eps1lon Feb 19, 2026

nextjs-bot requested a review from eps1lon February 19, 2026 16:35

nextjs-bot added type: react-sync CI approved Approve running CI for fork type: next labels Feb 19, 2026

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Upgrade React from `4842fbea-20260217` to `3a2bee26-20260218`#90195

Upgrade React from `4842fbea-20260217` to `3a2bee26-20260218`#90195
nextjs-bot wants to merge 6 commits intocanaryfrom
update/react/19.3.0-canary-3a2bee26-20260218

nextjs-bot commented Feb 19, 2026

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nextjs-bot commented Feb 19, 2026 •

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nextjs-bot commented Feb 19, 2026

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