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Move immutable static assets config option out of experimental#95351

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mischnic merged 4 commits into
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mischnic/immutable-static-files-config
Jul 20, 2026
Merged

Move immutable static assets config option out of experimental#95351
mischnic merged 4 commits into
canaryfrom
mischnic/immutable-static-files-config

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@mischnic mischnic commented Jul 1, 2026

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Keep reading config.experimental.supportsImmutableAssets for now to not break existing adapters until they are migrated.

Closes NAR-868

mischnic commented Jul 1, 2026

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@mischnic
mischnic marked this pull request as ready for review July 1, 2026 08:08
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Tests Passed

Commit: 2cd2ad4

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Stats from current PR

🔴 2 regressions, 1 improvement

Metric Canary PR Change Trend
Webpack Cold (First Request) 3.300s 3.405s 🔴 +105ms (+3%) ▂▁▁▂▁
Webpack Warm (First Request) 3.283s 3.426s 🔴 +143ms (+4%) ▁▁▁▂▁
Webpack Build Time (cached) 25.140s 24.479s 🟢 661ms (-3%) ▁▁▁▂▁
📊 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) 1.067s 1.062s ▂▂▁▂▂
Cold (Ready in log) 1.032s 1.028s ▂▁▁▁▁
Cold (First Request) 1.723s 1.735s ▃▁▁▁▁
Warm (Listen) 1.063s 1.061s ▂▂▁▂▂
Warm (Ready in log) 1.027s 1.029s ▂▁▁▁▁
Warm (First Request) 800ms 798ms ▃▁▁▁▁
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 761ms 813ms ▂▁▁▂▁
Cold (Ready in log) 759ms 787ms ▂▁▁▂▁
Cold (First Request) 3.300s 3.405s 🔴 +105ms (+3%) ▂▁▁▂▁
Warm (Listen) 760ms 812ms ▂▁▁▂▁
Warm (Ready in log) 762ms 789ms ▂▁▁▂▁
Warm (First Request) 3.283s 3.426s 🔴 +143ms (+4%) ▁▁▁▂▁

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 7.004s 7.195s ▃▁▁▁▁
Cached Build 7.137s 7.237s ▄▁▁▁▂
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 24.293s 24.050s ▁▁▁▂▁
Cached Build 25.140s 24.479s 🟢 661ms (-3%) ▁▁▁▂▁
node_modules Size 517 MB 517 MB ▁▁▁▁▁
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles
Canary PR Change
0273j2-i6qkw4.js gzip 162 B N/A -
02frxk4kfgzv_.js gzip 155 B N/A -
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1bs04l2ed4r7a.js gzip 153 B N/A -
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27kmxbcd9zzhi.js gzip 160 B N/A -
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turbopack-0j..7d6e.js gzip N/A 3.8 kB -
turbopack-1_..76lm.js gzip N/A 3.8 kB -
turbopack-13..4f4z.js gzip N/A 3.8 kB -
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Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 785 B 774 B 🟢 11 B (-1%)
Total 785 B 774 B ✅ -11 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 433 B 433 B
Total 433 B 433 B

📦 Webpack

Client

Main Bundles
Canary PR Change
2486.HASH.js gzip 169 B N/A -
3146-HASH.js gzip 64.2 kB N/A -
39fcf99b-HASH.js gzip 62.8 kB N/A -
8443-HASH.js gzip 4.68 kB N/A -
9431-HASH.js gzip 5.62 kB N/A -
framework-HASH.js gzip 59.8 kB 59.8 kB
main-app-HASH.js gzip 256 B 253 B 🟢 3 B (-1%)
main-HASH.js gzip 39.7 kB 40.1 kB 🔴 +452 B (+1%)
webpack-HASH.js gzip 1.68 kB 1.68 kB
6105-HASH.js gzip N/A 5.63 kB -
764.HASH.js gzip N/A 169 B -
8898-HASH.js gzip N/A 63.6 kB -
9597-HASH.js gzip N/A 4.65 kB -
e1ccab69-HASH.js gzip N/A 62.8 kB -
Total 239 kB 239 kB ✅ -210 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 182 B
css-HASH.js gzip 335 B 335 B
dynamic-HASH.js gzip 1.8 kB 1.8 kB
edge-ssr-HASH.js gzip 255 B 254 B
head-HASH.js gzip 351 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 259 B
link-HASH.js gzip 2.49 kB 2.49 kB
routerDirect..HASH.js gzip 319 B 319 B
script-HASH.js gzip 386 B 386 B
withRouter-HASH.js gzip 315 B 313 B
1afbb74e6ecf..834.css gzip 106 B 106 B
Total 7.96 kB 7.95 kB ✅ -7 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 128 kB 128 kB
page.js gzip 283 kB 285 kB 🔴 +2.13 kB (+1%)
Total 411 kB 413 kB ⚠️ +1.81 kB
Middleware
Canary PR Change
middleware-b..fest.js gzip 617 B 618 B
middleware-r..fest.js gzip 156 B 155 B
middleware.js gzip 45.3 kB 45.3 kB
edge-runtime..pack.js gzip 842 B 842 B
Total 46.9 kB 46.9 kB ✅ -4 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 719 B 720 B
Total 719 B 720 B ⚠️ +1 B
Build Cache
Canary PR Change
0.pack gzip 4.82 MB 4.81 MB 🟢 6.91 kB (0%)
index.pack gzip 118 kB 120 kB 🔴 +1.45 kB (+1%)
index.pack.old gzip 119 kB 119 kB
Total 5.06 MB 5.05 MB ✅ -5.96 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 364 kB 364 kB
app-page-exp..prod.js gzip 201 kB 201 kB
app-page-tur...dev.js gzip 364 kB 364 kB
app-page-tur..prod.js gzip 201 kB 201 kB
app-page-tur...dev.js gzip 360 kB 360 kB
app-page-tur..prod.js gzip 199 kB 199 kB
app-page.run...dev.js gzip 361 kB 361 kB
app-page.run..prod.js gzip 199 kB 199 kB
app-route-ex...dev.js gzip 81.5 kB 81.5 kB
app-route-ex..prod.js gzip 55.4 kB 55.4 kB
app-route-tu...dev.js gzip 81.5 kB 81.5 kB
app-route-tu..prod.js gzip 55.4 kB 55.4 kB
app-route-tu...dev.js gzip 81.1 kB 81.1 kB
app-route-tu..prod.js gzip 55.1 kB 55.1 kB
app-route.ru...dev.js gzip 81.1 kB 81.1 kB
app-route.ru..prod.js gzip 55.1 kB 55.1 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 45.2 kB 45.2 kB
pages-api-tu..prod.js gzip 33.9 kB 33.9 kB
pages-api.ru...dev.js gzip 45.2 kB 45.2 kB
pages-api.ru..prod.js gzip 33.9 kB 33.9 kB
pages-turbo....dev.js gzip 54.6 kB 54.6 kB
pages-turbo...prod.js gzip 39.6 kB 39.6 kB
pages.runtim...dev.js gzip 54.6 kB 54.6 kB
pages.runtim..prod.js gzip 39.5 kB 39.5 kB
server.runti..prod.js gzip 67.5 kB 67.5 kB
use-cache-pr...dev.js gzip 71.4 kB 71.4 kB
use-cache-pr...dev.js gzip 71.4 kB 71.4 kB
use-cache-pr...dev.js gzip 69.7 kB 69.7 kB
use-cache-pr...dev.js gzip 69.7 kB 69.7 kB
Total 3.49 MB 3.49 MB ✅ -11 B
📝 Changed Files (25 files)

Files with changes:

  • app-page-exp..ntime.dev.js
  • app-page-exp..time.prod.js
  • app-page-tur..ntime.dev.js
  • app-page-tur..time.prod.js
  • app-page-tur..ntime.dev.js
  • app-page-tur..time.prod.js
  • app-page.runtime.dev.js
  • app-page.runtime.prod.js
  • app-route-ex..ntime.dev.js
  • app-route-ex..time.prod.js
  • app-route-tu..ntime.dev.js
  • app-route-tu..time.prod.js
  • app-route-tu..ntime.dev.js
  • app-route-tu..time.prod.js
  • app-route.runtime.dev.js
  • app-route.ru..time.prod.js
  • pages-api-tu..ntime.dev.js
  • pages-api-tu..time.prod.js
  • pages-api.runtime.dev.js
  • pages-api.ru..time.prod.js
  • ... and 5 more
View diffs
app-page-exp..ntime.dev.js

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app-page-exp..time.prod.js

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app-page-tur..ntime.dev.js

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app-page-tur..time.prod.js

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app-page-tur..ntime.dev.js

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app-page-tur..time.prod.js

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app-page.runtime.dev.js

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app-page.runtime.prod.js

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app-route-ex..ntime.dev.js

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app-route-ex..time.prod.js

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app-route-tu..ntime.dev.js

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app-route-tu..time.prod.js

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app-route-tu..ntime.dev.js

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app-route-tu..time.prod.js

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app-route.runtime.dev.js

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app-route.ru..time.prod.js

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pages-api-tu..ntime.dev.js

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pages-api-tu..time.prod.js

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pages-api.runtime.dev.js

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pages-api.ru..time.prod.js

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pages-turbo...ntime.dev.js

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pages-turbo...time.prod.js

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pages.runtime.dev.js

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pages.runtime.prod.js

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server.runtime.prod.js

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📎 Tarball URL
https://vercel-packages.vercel.app/next/commits/2cd2ad41b960380d24b2e224e982a1ced81066cb/next

Commit: 2cd2ad4

Base automatically changed from mischnic/test-cleanup-immutable to canary July 1, 2026 12:12
@mischnic
mischnic force-pushed the mischnic/immutable-static-files-config branch 2 times, most recently from bb475cf to 979805f Compare July 2, 2026 20:27
@mischnic mischnic changed the title Move immutable static assets config option Move immutable static assets config option out of experimental Jul 16, 2026
@mischnic
mischnic force-pushed the mischnic/immutable-static-files-config branch 2 times, most recently from 07e3f75 to 4e08c6d Compare July 17, 2026 16:01
@mischnic
mischnic force-pushed the mischnic/immutable-static-files-config branch from 4e08c6d to 46c383f Compare July 17, 2026 16:51
@mischnic
mischnic merged commit 756d6dc into canary Jul 20, 2026
129 checks passed
@mischnic
mischnic deleted the mischnic/immutable-static-files-config branch July 20, 2026 13:35
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2 participants