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Merged
mischnic merged 1 commit into from
Jan 8, 2026
Merged

Turbopack: escape colon in output names #88273

mischnic merged 1 commit into from
Jan 8, 2026
+35 −4

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@mischnic mischnic commented Jan 8, 2026 •
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Closes #87811

It causes problems on some filesystems, apparently.

Error: EINVAL: invalid argument, copyfile
'C:\plat\nf\.next\server\chunks\ssr\[externals]_node:buffer_00e2e67a._.js'
->
'C:\plat\nf\.next\standalone\.next\server\chunks\ssr\[externals]_node:buffer_00e2e67a._.js'

@nextjs-bot nextjs-bot added created-by: Turbopack team PRs by the Turbopack team. Turbopack Related to Turbopack with Next.js. labels Jan 8, 2026
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mischnic commented Jan 8, 2026

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nextjs-bot commented Jan 8, 2026

Allow CI Workflow Run

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@mischnic mischnic marked this pull request as ready for review January 8, 2026 12:12
@mischnic mischnic requested a review from a team January 8, 2026 12:13
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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) 456ms 456ms ✓ ▁█▁▁▁
Cold (First Request) 1.252s 1.212s ✓ █▂█▇▇
Warm (Listen) 507ms 508ms ✓ ▁██▁█
Warm (First Request) 391ms 392ms ✓ ▂█▁▁▄
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 455ms 456ms ✓ ▁▁▁▁▁
Cold (First Request) 1.829s 1.849s ✓ ▃▄▄▃▁
Warm (Listen) 456ms 456ms ✓ ▁▁▁▁▁
Warm (First Request) 1.832s 1.841s ✓ ▃▃▃▂▁

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.598s 4.639s ✓ ▁█▁▁▁
Cached Build 4.625s 4.615s ✓ ▂█▁▂▁
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 13.988s 14.000s ✓ ▂▂▁▁▁
Cached Build 14.082s 14.051s ✓ ▁▂▂▁▁
node_modules Size 457 MB 457 MB ✓ █████
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **431 kB** → **431 kB** ⚠️ +2 B

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

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 785 B 788 B ✓
Total 785 B 788 B ⚠️ +3 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 451 B 451 B ✓
Total 451 B 451 B ✓

📦 Webpack

Client

Main Bundles
Canary PR Change
2086.HASH.js gzip 169 B N/A -
2161-HASH.js gzip 5.4 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 252 B ✓
main-HASH.js gzip 38.6 kB 38.9 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 52.5 kB -
6349-HASH.js gzip N/A 4.46 kB -
7019-HASH.js gzip N/A 5.42 kB -
b17a3386-HASH.js gzip N/A 62.3 kB -
Total 225 kB 225 kB ⚠️ +158 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 352 B 349 B ✓
hooks-HASH.js gzip 385 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 ✅ -8 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 124 kB 124 kB ✓
page.js gzip 240 kB 241 kB ✓
Total 364 kB 365 kB ⚠️ +1.02 kB
Middleware
Canary PR Change
middleware-b..fest.js gzip 653 B 654 B ✓
middleware-r..fest.js gzip 155 B 156 B ✓
middleware.js gzip 32.6 kB 32.9 kB 🔴 +334 B (+1%)
edge-runtime..pack.js gzip 842 B 842 B ✓
Total 34.2 kB 34.6 kB ⚠️ +336 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 738 B 738 B ✓
Total 738 B 738 B ✓
Build Cache
Canary PR Change
0.pack gzip 3.63 MB 3.63 MB 🔴 +6.28 kB (+0%)
index.pack gzip 99.2 kB 98.9 kB ✓
index.pack.old gzip 100 kB 99.2 kB 🟢 1.03 kB (-1%)
Total 3.83 MB 3.83 MB ⚠️ +4.99 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 303 kB 303 kB ✓
app-page-exp..prod.js gzip 158 kB 158 kB ✓
app-page-tur...dev.js gzip 303 kB 303 kB ✓
app-page-tur..prod.js gzip 158 kB 158 kB ✓
app-page-tur...dev.js gzip 299 kB 299 kB ✓
app-page-tur..prod.js gzip 156 kB 156 kB ✓
app-page.run...dev.js gzip 300 kB 300 kB ✓
app-page.run..prod.js gzip 156 kB 156 kB ✓
app-route-ex...dev.js gzip 68.7 kB 68.7 kB ✓
app-route-ex..prod.js gzip 47.5 kB 47.5 kB ✓
app-route-tu...dev.js gzip 68.7 kB 68.7 kB ✓
app-route-tu..prod.js gzip 47.6 kB 47.6 kB ✓
app-route-tu...dev.js gzip 68.3 kB 68.3 kB ✓
app-route-tu..prod.js gzip 47.3 kB 47.3 kB ✓
app-route.ru...dev.js gzip 68.3 kB 68.3 kB ✓
app-route.ru..prod.js gzip 47.3 kB 47.3 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 41.1 kB 41.1 kB ✓
pages-api-tu..prod.js gzip 31.2 kB 31.2 kB ✓
pages-api.ru...dev.js gzip 41 kB 41 kB ✓
pages-api.ru..prod.js gzip 31.2 kB 31.2 kB ✓
pages-turbo....dev.js gzip 50.8 kB 50.8 kB ✓
pages-turbo...prod.js gzip 38.2 kB 38.2 kB ✓
pages.runtim...dev.js gzip 50.7 kB 50.7 kB ✓
pages.runtim..prod.js gzip 38.2 kB 38.2 kB ✓
server.runti..prod.js gzip 62.2 kB 62.2 kB ✓
Total 2.68 MB 2.68 MB ✓

@mischnic mischnic merged commit 6bd4aac into canary Jan 8, 2026
167 of 171 checks passed
@mischnic mischnic deleted the mischnic/escape-colon-chunk-name branch January 8, 2026 18:50
pablofdezr pushed a commit to pablofdezr/next.js that referenced this pull request Jan 8, 2026
@mischnic @pablofdezr
Turbopack: escape colon in output names (vercel#88273)
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