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Node.js streams: Add forkpoint for logMessagesAndSendErrorsToBrowser#92510

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timneutkens merged 4 commits into
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04-08-node.js_streams_add_forkpoint_for_logmessagesandsenderrorstobrowser
Apr 15, 2026
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Node.js streams: Add forkpoint for logMessagesAndSendErrorsToBrowser#92510
timneutkens merged 4 commits into
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04-08-node.js_streams_add_forkpoint_for_logmessagesandsenderrorstobrowser

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@timneutkens timneutkens commented Apr 8, 2026

What?

Building on top of the changes in #92252. This PR implements similar fork points for logMessagesAndSendErrorsToBrowser

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nextjs-bot commented Apr 8, 2026

Stats from current PR

🔴 1 regression

Metric Canary PR Change Trend
node_modules Size 493 MB 493 MB 🔴 +361 kB (+0%) ▁▁███
📊 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 440ms █▄▇▅▆
Cold (First Request) 1.102s 1.120s ▁▇█▁▇
Warm (Listen) 456ms 456ms ▁▁▁██
Warm (Ready in log) 443ms 442ms ▄▄█▁█
Warm (First Request) 348ms 344ms ▄▄█▁▅
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 456ms 455ms ▁▁▁▅▅
Cold (Ready in log) 442ms 441ms ▃▅▂▂▃
Cold (First Request) 1.949s 1.947s ▆▇▁▆▁
Warm (Listen) 455ms 455ms ▅▅▅▅▅
Warm (Ready in log) 441ms 441ms ▄▄▃▂▂
Warm (First Request) 1.951s 1.966s ▆▇▁▆▁

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 3.909s 3.899s ▇▁▁█▃
Cached Build 3.960s 3.930s █▄▁█▄
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 14.654s 14.629s ▁▆▁▃▁
Cached Build 14.741s 14.779s ▁▄▃▄▃
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📝 Changed Files (10 files)

Files with changes:

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  • app-page-exp..time.prod.js
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  • app-page-tur..time.prod.js
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📎 Tarball URL
https://vercel-packages.vercel.app/next/commits/dfc9f65bccf3737a8ac70f4afe33021238816d6e/next

@timneutkens timneutkens force-pushed the 04-08-node.js_streams_add_forkpoint_for_generatestageddynamicflightrenderresult branch from 1f00fb3 to d800758 Compare April 8, 2026 17:50
@timneutkens timneutkens force-pushed the 04-08-node.js_streams_add_forkpoint_for_logmessagesandsenderrorstobrowser branch from 499111d to 49bc4cc Compare April 8, 2026 17:50
@timneutkens timneutkens marked this pull request as ready for review April 9, 2026 09:00
@timneutkens timneutkens requested a review from gnoff April 9, 2026 09:00
@timneutkens timneutkens force-pushed the 04-08-node.js_streams_add_forkpoint_for_generatestageddynamicflightrenderresult branch from d800758 to de29b86 Compare April 9, 2026 11:16
@timneutkens timneutkens force-pushed the 04-08-node.js_streams_add_forkpoint_for_logmessagesandsenderrorstobrowser branch from 49bc4cc to 55b42a5 Compare April 9, 2026 11:17
@timneutkens timneutkens force-pushed the 04-08-node.js_streams_add_forkpoint_for_generatestageddynamicflightrenderresult branch from de29b86 to 9ec9544 Compare April 12, 2026 11:46
@timneutkens timneutkens force-pushed the 04-08-node.js_streams_add_forkpoint_for_logmessagesandsenderrorstobrowser branch from 55b42a5 to dfc9f65 Compare April 12, 2026 11:46
Base automatically changed from 04-08-node.js_streams_add_forkpoint_for_generatestageddynamicflightrenderresult to canary April 14, 2026 14:27
@timneutkens timneutkens merged commit ce3b173 into canary Apr 15, 2026
133 of 143 checks passed
@timneutkens timneutkens deleted the 04-08-node.js_streams_add_forkpoint_for_logmessagesandsenderrorstobrowser branch April 15, 2026 13:11
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