Upgrade React from `74568e86-20260328` to `044d56f3-20260330` by nextjs-bot · Pull Request #92161 · vercel/next.js

nextjs-bot · 2026-03-31T16:39:11Z

React upstream changes

docs: fix typos and improve abbreviation usage in DESIGN_GOALS.md facebook/react#36170
[compiler][playground] parse compiler configs using json5 facebook/react#36159

nextjs-bot · 2026-03-31T16:55:40Z

Failing test suites

Commit: 4b53020 | About building and testing Next.js

pnpm test-dev-turbo test/e2e/app-dir/instant-navigation-testing-api/instant-navigation-testing-api.test.ts (turbopack) (job)

instant-navigation-testing-api > renders runtime-prefetched content instantly during navigation (DD)
instant-navigation-testing-api > runtime params are excluded from instant shell > does not include cookie values in instant shell during page load (DD)

Expand output

● instant-navigation-testing-api › renders runtime-prefetched content instantly during navigation

locator.waitFor: Timeout 60000ms exceeded.
Call log:
  - waiting for locator('[data-testid="search-param-value"]') to be visible

  105 |         '[data-testid="search-param-value"]'
  106 |       )
> 107 |       await searchParamValue.waitFor({ state: 'visible' })
      |                              ^
  108 |       expect(await searchParamValue.textContent()).toContain(
  109 |         'myParam: testValue'
  110 |       )

  at waitFor (e2e/app-dir/instant-navigation-testing-api/instant-navigation-testing-api.test.ts:107:30)
  at instant (../packages/next-playwright/dist/index.js:50:16)
  at Object.<anonymous> (e2e/app-dir/instant-navigation-testing-api/instant-navigation-testing-api.test.ts:99:5)

● instant-navigation-testing-api › runtime params are excluded from instant shell › does not include cookie values in instant shell during page load

expect(received).toContain(expected) // indexOf

Expected substring: "testCookie: hello"
Received string:    "testCookie: not set"

  411 |       const cookieValue = page.locator('[data-testid="cookie-value"]')
  412 |       await cookieValue.waitFor({ state: 'visible', timeout: 10000 })
> 413 |       expect(await cookieValue.textContent()).toContain('testCookie: hello')
      |                                               ^
  414 |     })
  415 |
  416 |     it('does not include dynamic param values in instant shell during page load', async () => {

  at Object.toContain (e2e/app-dir/instant-navigation-testing-api/instant-navigation-testing-api.test.ts:413:47)

pnpm test-start test/production/app-dir/metadata-static-route-cache/metadata-static-route-cache.test.ts (job)

app dir - metadata static routes cache > should generate different content after replace the static metadata file (DD)

Expand output

● app dir - metadata static routes cache › should generate different content after replace the static metadata file

next already started

  63 |   public async start(options: { skipBuild?: boolean } = {}) {
  64 |     if (this.childProcess) {
> 65 |       throw new Error('next already started')
     |             ^
  66 |     }
  67 |
  68 |     this._cliOutput = ''

  at NextStartInstance.start (lib/next-modes/next-start.ts:65:13)
  at Object.start (production/app-dir/metadata-static-route-cache/metadata-static-route-cache.test.ts:17:16)

pnpm test test/integration/create-next-app/templates/app.test.ts (job)

create-next-app --app (App Router) > should create an empty TailwindCSS project with --empty flag (DD)

Expand output

● create-next-app --app (App Router) › should create an empty TailwindCSS project with --empty flag

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."

  197 |   })
  198 |
> 199 |   it('should create an empty TailwindCSS project with --empty flag', async () => {
      |   ^
  200 |     await useTempDir(async (cwd) => {
  201 |       const projectName = 'app-tw-empty'
  202 |       const { exitCode } = await run(

  at it (integration/create-next-app/templates/app.test.ts:199:3)
  at Object.describe (integration/create-next-app/templates/app.test.ts:9:1)

nextjs-bot · 2026-03-31T16:58:28Z

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)	507ms	505ms	✓	▁█▁▁▁
Cold (Ready in log)	462ms	460ms	✓	▁█▁▁▁
Cold (First Request)	826ms	868ms	✓	▂█▂▂▂
Warm (Listen)	507ms	506ms	✓	▁█▁▁▁
Warm (Ready in log)	464ms	462ms	✓	▁█▁▁▁
Warm (First Request)	351ms	336ms	✓	▁█▁▁▁

📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric	Canary	PR	Change	Trend
Cold (Listen)	455ms	456ms	✓	▁▁▁▁▁
Cold (Ready in log)	438ms	438ms	✓	▁▁▁▁▁
Cold (First Request)	1.956s	1.948s	✓	▂▂▁▁▂
Warm (Listen)	456ms	455ms	✓	▁▁▁▁▁
Warm (Ready in log)	439ms	438ms	✓	▁▁▁▁▁
Warm (First Request)	1.973s	1.971s	✓	▂▃▁▁▂

⚡ Production Builds

Metric	Canary	PR	Change	Trend
Fresh Build	4.077s	4.051s	✓	▁█▁▁▁
Cached Build	4.060s	4.043s	✓	▁█▁▁▁

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change	Trend
Fresh Build	14.421s	14.408s	✓	▁▁▁▁▁
Cached Build	14.570s	14.546s	✓	▁▁▁▁▁
node_modules Size	485 MB	485 MB	✓	█████

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles

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02fkg8wfh0iju.js gzip	9.19 kB	N/A	-
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Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	720 B	716 B	✓
Total	720 B	716 B	✅ -4 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	434 B	431 B	✓
Total	434 B	431 B	✅ -3 B

📦 Webpack

Client

Main Bundles

	Canary	PR	Change
5528-HASH.js gzip	5.54 kB	N/A	-
6280-HASH.js gzip	60.7 kB	N/A	-
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framework-HASH.js gzip	59.7 kB	59.7 kB	✓
main-app-HASH.js gzip	256 B	254 B	✓
main-HASH.js gzip	39.3 kB	39.2 kB	✓
webpack-HASH.js gzip	1.68 kB	1.68 kB	✓
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Total	235 kB	235 kB	⚠️ +646 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
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css-HASH.js gzip	331 B	330 B	✓
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edge-ssr-HASH.js gzip	256 B	256 B	✓
head-HASH.js gzip	351 B	352 B	✓
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script-HASH.js gzip	386 B	386 B	✓
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1afbb74e6ecf..834.css gzip	106 B	106 B	✓
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Server

Edge SSR

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edge-ssr.js gzip	125 kB	125 kB	✓
page.js gzip	270 kB	270 kB	✓
Total	396 kB	396 kB	⚠️ +142 B

Middleware

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middleware-r..fest.js gzip	156 B	155 B	✓
middleware.js gzip	44 kB	44 kB	✓
edge-runtime..pack.js gzip	842 B	842 B	✓
Total	45.7 kB	45.6 kB	✅ -25 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	4.35 MB	4.34 MB	🟢 4.68 kB (0%)
index.pack gzip	110 kB	111 kB	✓
index.pack.old gzip	110 kB	110 kB	✓
Total	4.57 MB	4.56 MB	✅ -3.5 kB

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
app-page-exp...dev.js gzip	336 kB	336 kB	✓
app-page-exp..prod.js gzip	186 kB	186 kB	✓
app-page-tur...dev.js gzip	335 kB	335 kB	✓
app-page-tur..prod.js gzip	185 kB	185 kB	✓
app-page-tur...dev.js gzip	332 kB	332 kB	✓
app-page-tur..prod.js gzip	183 kB	183 kB	✓
app-page.run...dev.js gzip	332 kB	332 kB	✓
app-page.run..prod.js gzip	184 kB	184 kB	✓
app-route-ex...dev.js gzip	76.3 kB	76.3 kB	✓
app-route-ex..prod.js gzip	51.9 kB	51.9 kB	✓
app-route-tu...dev.js gzip	76.3 kB	76.3 kB	✓
app-route-tu..prod.js gzip	51.9 kB	51.9 kB	✓
app-route-tu...dev.js gzip	75.9 kB	75.9 kB	✓
app-route-tu..prod.js gzip	51.7 kB	51.7 kB	✓
app-route.ru...dev.js gzip	75.9 kB	75.9 kB	✓
app-route.ru..prod.js gzip	51.7 kB	51.7 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	43.5 kB	43.5 kB	✓
pages-api-tu..prod.js gzip	33.1 kB	33.1 kB	✓
pages-api.ru...dev.js gzip	43.5 kB	43.5 kB	✓
pages-api.ru..prod.js gzip	33.1 kB	33.1 kB	✓
pages-turbo....dev.js gzip	52.9 kB	52.9 kB	✓
pages-turbo...prod.js gzip	38.7 kB	38.7 kB	✓
pages.runtim...dev.js gzip	52.9 kB	52.9 kB	✓
pages.runtim..prod.js gzip	38.7 kB	38.7 kB	✓
server.runti..prod.js gzip	62.5 kB	62.5 kB	✓
Total	2.99 MB	2.99 MB	✅ -13 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/4509546f3a63c86de6ef5ee169012242212f3e74/next

eps1lon · 2026-03-31T17:44:24Z

Nothing interesting in here

nextjs-bot added 6 commits March 31, 2026 16:37

Update react@experimental

7e424c7

Update react

7677c5b

Updated peer dependency references in apps

e2f355f

Updated peer dependency references in libraries

d7127ba

Update lockfile

a472b5c

ncc-compiled

4b53020

nextjs-bot assigned eps1lon Mar 31, 2026

nextjs-bot requested a review from eps1lon March 31, 2026 16:39

nextjs-bot added type: react-sync CI approved Approve running CI for fork type: next labels Mar 31, 2026

eps1lon closed this Mar 31, 2026

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Upgrade React from `74568e86-20260328` to `044d56f3-20260330`#92161

Upgrade React from `74568e86-20260328` to `044d56f3-20260330`#92161
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