[ci] Silence `baseline-browser-mapping` warnings by unstubbable · Pull Request #89175 · vercel/next.js

unstubbable · 2026-01-28T15:44:55Z

The warnings from baseline-browser-mapping about outdated data fail some tests that don't expect the CLI output. By updating the dependency we avoid showing the warning for now, and by setting the environment variable BASELINE_BROWSER_MAPPING_IGNORE_OLD_DATA we should silence any future warnings as well.

unstubbable · 2026-01-28T15:45:19Z

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nextjs-bot · 2026-01-28T16:28:36Z

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)	455ms	455ms	✓	▁▁▁▁▁
Cold (Ready in log)	440ms	439ms	✓	█▂▇▇▇
Cold (First Request)	1.166s	1.135s	✓	█▂███
Warm (Listen)	457ms	456ms	✓	▁▁▁▁▁
Warm (Ready in log)	445ms	444ms	✓	▁▅▂▂▂
Warm (First Request)	342ms	345ms	✓	▅▅███

📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric	Canary	PR	Change	Trend
Cold (Listen)	456ms	457ms	✓	▅▅▅▁▁
Cold (Ready in log)	442ms	442ms	✓	▅▇▆▆▁
Cold (First Request)	1.780s	1.793s	✓	▃▇▆▄▁
Warm (Listen)	456ms	456ms	✓	▅▅▅▅▅
Warm (Ready in log)	441ms	441ms	✓	▅█▇▇▁
Warm (First Request)	1.797s	1.801s	✓	▄██▆▁

⚡ Production Builds

Metric	Canary	PR	Change	Trend
Fresh Build	4.394s	4.250s	✓	▁▅▁▁▁
Cached Build	4.330s	4.328s	✓	▁▅▁▁▁

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change	Trend
Fresh Build	14.113s	14.049s	✓	▁▇█▂▂
Cached Build	14.107s	14.100s	✓	▁▇█▂▃
node_modules Size	462 MB	462 MB	✓	▅▅▅██

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **432 kB** → **432 kB** ✅ -42 B

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

Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	770 B	763 B	✓
Total	770 B	763 B	✅ -7 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	451 B	450 B	✓
Total	451 B	450 B	✅ -1 B

📦 Webpack

Client

Main Bundles

	Canary	PR	Change
5528-HASH.js gzip	5.47 kB	N/A	-
6280-HASH.js gzip	52.7 kB	N/A	-
6335.HASH.js gzip	169 B	N/A	-
912-HASH.js gzip	4.53 kB	N/A	-
e8aec2e4-HASH.js gzip	62.3 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 kB	39 kB	✓
webpack-HASH.js gzip	1.68 kB	1.68 kB	✓
262-HASH.js gzip	N/A	4.52 kB	-
2889.HASH.js gzip	N/A	169 B	-
5602-HASH.js gzip	N/A	5.48 kB	-
6948ada0-HASH.js gzip	N/A	62.3 kB	-
9544-HASH.js gzip	N/A	53.2 kB	-
Total	226 kB	226 kB	⚠️ +477 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	2.49 kB	2.49 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	✅ -1 B

Server

Edge SSR

	Canary	PR	Change
edge-ssr.js gzip	126 kB	126 kB	✓
page.js gzip	246 kB	247 kB	✓
Total	373 kB	373 kB	⚠️ +247 B

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	615 B	613 B	✓
middleware-r..fest.js gzip	156 B	155 B	✓
middleware.js gzip	33.3 kB	33.2 kB	✓
edge-runtime..pack.js gzip	842 B	842 B	✓
Total	34.9 kB	34.8 kB	✅ -119 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	732 B	736 B	✓
Total	732 B	736 B	⚠️ +4 B

Build Cache

	Canary	PR	Change
0.pack gzip	3.71 MB	3.72 MB	🔴 +14.5 kB (+0%)
index.pack gzip	102 kB	102 kB	✓
index.pack.old gzip	101 kB	102 kB	✓
Total	3.91 MB	3.93 MB	⚠️ +15.2 kB

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
app-page-exp...dev.js gzip	308 kB	308 kB	✓
app-page-exp..prod.js gzip	164 kB	164 kB	✓
app-page-tur...dev.js gzip	308 kB	308 kB	✓
app-page-tur..prod.js gzip	164 kB	164 kB	✓
app-page-tur...dev.js gzip	305 kB	305 kB	✓
app-page-tur..prod.js gzip	162 kB	162 kB	✓
app-page.run...dev.js gzip	305 kB	305 kB	✓
app-page.run..prod.js gzip	162 kB	162 kB	✓
app-route-ex...dev.js gzip	70.2 kB	70.2 kB	✓
app-route-ex..prod.js gzip	48.8 kB	48.8 kB	✓
app-route-tu...dev.js gzip	70.2 kB	70.2 kB	✓
app-route-tu..prod.js gzip	48.8 kB	48.8 kB	✓
app-route-tu...dev.js gzip	69.8 kB	69.8 kB	✓
app-route-tu..prod.js gzip	48.6 kB	48.6 kB	✓
app-route.ru...dev.js gzip	69.8 kB	69.8 kB	✓
app-route.ru..prod.js gzip	48.6 kB	48.6 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	43.1 kB	43.1 kB	✓
pages-api-tu..prod.js gzip	32.8 kB	32.8 kB	✓
pages-api.ru...dev.js gzip	43.1 kB	43.1 kB	✓
pages-api.ru..prod.js gzip	32.8 kB	32.8 kB	✓
pages-turbo....dev.js gzip	52.4 kB	52.4 kB	✓
pages-turbo...prod.js gzip	39.3 kB	39.3 kB	✓
pages.runtim...dev.js gzip	52.3 kB	52.3 kB	✓
pages.runtim..prod.js gzip	39.3 kB	39.3 kB	✓
server.runti..prod.js gzip	62.5 kB	62.5 kB	✓
Total	2.75 MB	2.75 MB	✅ -3 B

The warnings from `baseline-browser-mapping` about outdated data fail some tests that don't expect the CLI output. By updating the dependency we avoid showing the warning for now, and by setting the environment variable `BASELINE_BROWSER_MAPPING_IGNORE_OLD_DATA` we should silence any future warnings as well. related: - #86625

unstubbable · 2026-01-28T18:24:29Z

Merge activity

Jan 28, 6:24 PM UTC: @unstubbable merged this pull request with Graphite.

The warnings from `baseline-browser-mapping` about outdated data fail some tests that don't expect the CLI output. By updating the dependency we avoid showing the warning for now, and by setting the environment variable `BASELINE_BROWSER_MAPPING_IGNORE_OLD_DATA` we should silence any future warnings as well. related: - #86625 - #86653

nextjs-bot added created-by: Next.js team PRs by the Next.js team. type: next labels Jan 28, 2026

unstubbable mentioned this pull request Jan 28, 2026

[Cache Components] Prevent streaming fetch calls from hanging in dev #89171

Merged

unstubbable marked this pull request as ready for review January 28, 2026 15:47

unstubbable mentioned this pull request Jan 28, 2026

Prettier-ignore changes in next-env.d.ts files in all top-level apps #89176

Merged

mischnic approved these changes Jan 28, 2026

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unstubbable changed the base branch from canary to graphite-base/89175 January 28, 2026 16:05

unstubbable force-pushed the hl/silence-baseline-browser-mapping-warning branch from 0e21cef to 99e7bfa Compare January 28, 2026 16:05

unstubbable changed the base branch from graphite-base/89175 to hl/prettier-ignore-bundle-analyzer-next-env-d-ts January 28, 2026 16:05

Base automatically changed from hl/prettier-ignore-bundle-analyzer-next-env-d-ts to canary January 28, 2026 16:31

unstubbable force-pushed the hl/silence-baseline-browser-mapping-warning branch from 99e7bfa to e731c0b Compare January 28, 2026 16:32

huozhi enabled auto-merge (squash) January 28, 2026 17:25

unstubbable disabled auto-merge January 28, 2026 18:13

unstubbable merged commit 11e2950 into canary Jan 28, 2026
161 checks passed

unstubbable deleted the hl/silence-baseline-browser-mapping-warning branch January 28, 2026 18:24

This was referenced Jan 29, 2026

fix: CSRF origin matching should be case-insensitive #89127

Merged

fix: backport baseline-browser-mapping changes to 16.0 #89259

Merged

lukesandberg mentioned this pull request Feb 6, 2026

Next 16.0.11 emits a [baseline-browser-mapping] The data in this module is over two months old. warning #89190

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github-actions bot added the locked label Feb 12, 2026

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[ci] Silence `baseline-browser-mapping` warnings#89175

[ci] Silence `baseline-browser-mapping` warnings#89175
unstubbable merged 1 commit intocanaryfrom
hl/silence-baseline-browser-mapping-warning

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