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Turbopack: add ?dpl= to all asset urls returned by Turbopack#88828

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Jan 23, 2026
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Turbopack: add ?dpl= to all asset urls returned by Turbopack#88828
sokra merged 10 commits intocanaryfrom
sokra/dpl-in-asset-url

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@sokra sokra commented Jan 20, 2026 •
edited by mischnic
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What?

Closes PACK-6554

All asset urls returned by Turbopack should include a ?dpl suffix.

@nextjs-bot nextjs-bot added created-by: Turbopack team PRs by the Turbopack team. Turbopack Related to Turbopack with Next.js. type: next labels Jan 20, 2026
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sokra commented Jan 20, 2026

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@sokra sokra changed the title add TURBOPACK_EXPORT_URL Turbopack: add ?dpl= to all asset urls returned by Turbopack Jan 20, 2026
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nextjs-bot commented Jan 20, 2026 •
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codspeed-hq bot commented Jan 20, 2026 •
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CodSpeed Performance Report

Merging this PR will not alter performance

Comparing sokra/dpl-in-asset-url (51c0272) with canary (13c47b3)

Summary

✅ 17 untouched benchmarks
⏩ 3 skipped benchmarks1

Footnotes

  1. 3 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

@sokra sokra force-pushed the sokra/dpl-in-asset-url branch from 7f7cc32 to 64848ce Compare January 21, 2026 09:39
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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) 435ms 436ms ✓ ▄▅▆▁█
Cold (First Request) 1.184s 1.168s ✓ ▁██▁▅
Warm (Listen) 457ms 456ms ✓ ▁▁▁▁█
Warm (Ready in log) 439ms 439ms ✓ ▂▁▁▁█
Warm (First Request) 336ms 342ms ✓ ▃▆▅▁█
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 456ms 455ms ✓ ▅▁▁▅█
Cold (Ready in log) 435ms 435ms ✓ ▅▇█▅█
Cold (First Request) 1.823s 1.835s ✓ ▅█▆▆█
Warm (Listen) 455ms 456ms ✓ ▁▁▁▁█
Warm (Ready in log) 435ms 434ms ✓ ▅█▆▅▇
Warm (First Request) 1.832s 1.834s ✓ ▅█▅▆█

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.363s 4.341s ✓ ▃▁▁▂█
Cached Build 4.308s 4.331s ✓ ▄▁▁▂█
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 13.971s 13.984s ✓ ▂▇▃▃█
Cached Build 14.234s 14.145s ✓ ▂▆▃▃█
node_modules Size 461 MB 461 MB ✓ ▁████
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **432 kB** → **432 kB** ⚠️ +79 B

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

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 762 B 769 B ✓
Total 762 B 769 B ⚠️ +7 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 450 B 452 B ✓
Total 450 B 452 B ⚠️ +2 B

📦 Webpack

Client

Main Bundles
Canary PR Change
2086.HASH.js gzip 169 B N/A -
2161-HASH.js gzip 5.41 kB N/A -
2747-HASH.js gzip 4.48 kB N/A -
4322-HASH.js gzip 52.7 kB N/A -
ec793fe8-HASH.js gzip 62.3 kB N/A -
framework-HASH.js gzip 59.8 kB 59.8 kB ✓
main-app-HASH.js gzip 251 B 254 B 🔴 +3 B (+1%)
main-HASH.js gzip 38.7 kB 39.1 kB ✓
webpack-HASH.js gzip 1.68 kB 1.68 kB ✓
1596.HASH.js gzip N/A 169 B -
2658-HASH.js gzip N/A 52.4 kB -
6349-HASH.js gzip N/A 4.52 kB -
7019-HASH.js gzip N/A 5.49 kB -
b17a3386-HASH.js gzip N/A 62.3 kB -
Total 226 kB 226 kB ⚠️ +179 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 193 B ✓
_error-HASH.js gzip 182 B 182 B ✓
css-HASH.js gzip 336 B 335 B ✓
dynamic-HASH.js gzip 1.8 kB 1.8 kB ✓
edge-ssr-HASH.js gzip 256 B 256 B ✓
head-HASH.js gzip 350 B 349 B ✓
hooks-HASH.js gzip 384 B 384 B ✓
image-HASH.js gzip 580 B 580 B ✓
index-HASH.js gzip 259 B 258 B ✓
link-HASH.js gzip 2.5 kB 2.51 kB ✓
routerDirect..HASH.js gzip 319 B 317 B ✓
script-HASH.js gzip 385 B 387 B ✓
withRouter-HASH.js gzip 316 B 315 B ✓
1afbb74e6ecf..834.css gzip 106 B 106 B ✓
Total 7.97 kB 7.96 kB ✅ -5 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 126 kB 126 kB ✓
page.js gzip 244 kB 240 kB 🟢 4.51 kB (-2%)
Total 371 kB 366 kB ✅ -4.64 kB
Middleware
Canary PR Change
middleware-b..fest.js gzip 618 B 617 B ✓
middleware-r..fest.js gzip 155 B 156 B ✓
middleware.js gzip 33 kB 33.3 kB 🔴 +334 B (+1%)
edge-runtime..pack.js gzip 842 B 842 B ✓
Total 34.6 kB 34.9 kB ⚠️ +334 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 737 B 738 B ✓
Total 737 B 738 B ⚠️ +1 B
Build Cache
Canary PR Change
0.pack gzip 3.71 MB 3.72 MB 🔴 +6.7 kB (+0%)
index.pack gzip 101 kB 101 kB ✓
index.pack.old gzip 102 kB 100 kB 🟢 1.27 kB (-1%)
Total 3.91 MB 3.92 MB ⚠️ +5.14 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 306 kB 306 kB ✓
app-page-exp..prod.js gzip 163 kB 163 kB ✓
app-page-tur...dev.js gzip 306 kB 306 kB ✓
app-page-tur..prod.js gzip 163 kB 163 kB ✓
app-page-tur...dev.js gzip 303 kB 303 kB ✓
app-page-tur..prod.js gzip 161 kB 161 kB ✓
app-page.run...dev.js gzip 303 kB 303 kB ✓
app-page.run..prod.js gzip 161 kB 161 kB ✓
app-route-ex...dev.js gzip 69.4 kB 69.4 kB ✓
app-route-ex..prod.js gzip 48.2 kB 48.2 kB ✓
app-route-tu...dev.js gzip 69.5 kB 69.5 kB ✓
app-route-tu..prod.js gzip 48.2 kB 48.2 kB ✓
app-route-tu...dev.js gzip 69.1 kB 69.1 kB ✓
app-route-tu..prod.js gzip 48 kB 48 kB ✓
app-route.ru...dev.js gzip 69 kB 69 kB ✓
app-route.ru..prod.js gzip 48 kB 48 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 42.5 kB 42.5 kB ✓
pages-api-tu..prod.js gzip 32.3 kB 32.3 kB ✓
pages-api.ru...dev.js gzip 42.5 kB 42.5 kB ✓
pages-api.ru..prod.js gzip 32.3 kB 32.3 kB ✓
pages-turbo....dev.js gzip 51.8 kB 51.8 kB ✓
pages-turbo...prod.js gzip 38.8 kB 38.8 kB ✓
pages.runtim...dev.js gzip 51.8 kB 51.8 kB ✓
pages.runtim..prod.js gzip 38.8 kB 38.8 kB ✓
server.runti..prod.js gzip 62.3 kB 62.4 kB ✓
Total 2.73 MB 2.73 MB ⚠️ +45 B
📝 Changed Files (1 file)

Files with changes:

  • server.runtime.prod.js
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server.runtime.prod.js

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@sokra sokra marked this pull request as ready for review January 21, 2026 13:47
@sokra sokra requested a review from mischnic January 21, 2026 13:48
@sokra sokra force-pushed the sokra/dpl-in-asset-url branch from 64848ce to 0d23ecd Compare January 22, 2026 11:57
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nextjs-bot commented Jan 22, 2026 •
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Tests Passed

@sokra sokra force-pushed the sokra/dpl-in-asset-url branch 2 times, most recently from 02e2787 to b685d76 Compare January 23, 2026 07:48
mischnic
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@sokra sokra force-pushed the sokra/dpl-in-asset-url branch from b685d76 to 51c0272 Compare January 23, 2026 09:32
@sokra sokra merged commit 5c70b4b into canary Jan 23, 2026
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@sokra sokra deleted the sokra/dpl-in-asset-url branch January 23, 2026 21:38
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