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Node.js streams: Add forkpoint for continueDynamicHTMLResume#92471

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timneutkens merged 1 commit intocanaryfrom
04-07-node.js_streams_add_forkpoint_for_continuedynamichtmlresumenode
Apr 14, 2026
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Node.js streams: Add forkpoint for continueDynamicHTMLResume#92471
timneutkens merged 1 commit intocanaryfrom
04-07-node.js_streams_add_forkpoint_for_continuedynamichtmlresumenode

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@timneutkens timneutkens commented Apr 7, 2026

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

@timneutkens timneutkens changed the title Node.js streams: Add forkpoint for continueDynamicHTMLResumeNode Node.js streams: Add forkpoint for continueDynamicHTMLResume Apr 7, 2026
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nextjs-bot commented Apr 7, 2026

Stats from current PR

🔴 1 regression

Metric Canary PR Change Trend
node_modules Size 493 MB 493 MB 🔴 +78.5 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) 455ms 455ms ▁▁▁██
Cold (Ready in log) 446ms 443ms █▄▇▅▆
Cold (First Request) 1.146s 1.141s ▁▇█▁▇
Warm (Listen) 456ms 457ms ▁▁▁██
Warm (Ready in log) 440ms 441ms ▄▄█▁█
Warm (First Request) 346ms 342ms ▄▄█▁▅
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 456ms 456ms ▁▁▁▅▅
Cold (Ready in log) 451ms 449ms ▃▅▂▂▃
Cold (First Request) 2.061s 2.061s ▆▇▁▆▁
Warm (Listen) 456ms 457ms ▅▅▅▅▅
Warm (Ready in log) 448ms 451ms ▄▄▃▂▂
Warm (First Request) 2.062s 1.994s ▆▇▁▆▁

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 3.945s 3.959s ▇▁▁█▃
Cached Build 3.979s 4.019s █▄▁█▄
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 15.319s 15.277s ▁▆▁▃▁
Cached Build 15.482s 15.432s ▁▄▃▄▃
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📝 Changed Files (8 files)

Files with changes:

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📎 Tarball URL
https://vercel-packages.vercel.app/next/commits/9c671c5992ef7e11e75f8103e0c23e7491911853/next

@timneutkens timneutkens marked this pull request as ready for review April 8, 2026 08:44
@timneutkens timneutkens requested a review from gnoff April 8, 2026 08:44
@timneutkens timneutkens force-pushed the 04-07-node.js_streams_add_forkpoint_for_error_recovery branch from d599e66 to d3e5c9d Compare April 8, 2026 10:34
@timneutkens timneutkens force-pushed the 04-07-node.js_streams_add_forkpoint_for_continuedynamichtmlresumenode branch from a5a1b5c to a788070 Compare April 8, 2026 10:34
@timneutkens timneutkens force-pushed the 04-07-node.js_streams_add_forkpoint_for_continuedynamichtmlresumenode branch from a788070 to cf802b2 Compare April 8, 2026 17:50
@timneutkens timneutkens force-pushed the 04-07-node.js_streams_add_forkpoint_for_error_recovery branch from d3e5c9d to 4d88d2f Compare April 8, 2026 17:50
@timneutkens timneutkens force-pushed the 04-07-node.js_streams_add_forkpoint_for_continuedynamichtmlresumenode branch from cf802b2 to 0720451 Compare April 9, 2026 11:16
@timneutkens timneutkens force-pushed the 04-07-node.js_streams_add_forkpoint_for_error_recovery branch from 4d88d2f to 064e87d Compare April 9, 2026 11:17
)
}

reactServerResult = new ReactServerResult(
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Are we keeping this class for this path? I thought we had implemented the replay stream class for this branch

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It uses ReplayableNodeStream under the hood when a nodestream is passed to it. Can switch it to use that directly if that's preferred.

Base automatically changed from 04-07-node.js_streams_add_forkpoint_for_error_recovery to canary April 12, 2026 11:42
@timneutkens timneutkens force-pushed the 04-07-node.js_streams_add_forkpoint_for_continuedynamichtmlresumenode branch from 0720451 to 9c671c5 Compare April 12, 2026 11:46
@timneutkens timneutkens merged commit ed65074 into canary Apr 14, 2026
334 of 336 checks passed
@timneutkens timneutkens deleted the 04-07-node.js_streams_add_forkpoint_for_continuedynamichtmlresumenode branch April 14, 2026 14:24
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