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Adapter: STATIC_FILE.immutableHash#90045

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mischnic merged 14 commits intocanaryfrom
mischnic/adapter-immutable
Feb 27, 2026
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Adapter: STATIC_FILE.immutableHash#90045
mischnic merged 14 commits intocanaryfrom
mischnic/adapter-immutable

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@mischnic mischnic commented Feb 16, 2026 •
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Expose a hash for each file that should be treated as immutable

For nextjs/adapter-vercel#25

Part of PACK-6802

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mischnic commented Feb 16, 2026 •
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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 (Ready in log) 444ms 446ms ✓ ▂▁▁▁▂
Cold (First Request) 900ms 903ms ✓ ▄▁▁▁▄
Warm (Listen) 456ms 455ms ✓ ▁▁▁▂▁
Warm (Ready in log) 445ms 443ms ✓ ▁▁▁▁▁
Warm (First Request) 358ms 356ms ✓ ▁▁▂▂▂
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 455ms 456ms ✓ ▁▁▁▁▁
Cold (Ready in log) 439ms 439ms ✓ ▅▂▅▄▆
Cold (First Request) 1.947s 1.942s ✓ ▃▁▂▃▃
Warm (Listen) 455ms 455ms ✓ ▁▁▁▁▁
Warm (Ready in log) 438ms 438ms ✓ ▄▂▄▄▃
Warm (First Request) 1.949s 1.950s ✓ ▃▁▃▃▂

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.102s 4.076s ✓ ▁▂▁▃▁
Cached Build 4.104s 4.098s ✓ ▁▂▂▃▁
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 14.080s 14.054s ✓ ▁▁▁▁▁
Cached Build 14.208s 14.157s ✓ ▁▂▁▁▁
node_modules Size 475 MB 475 MB ✓ ▁▁▁▁▁
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **400 kB** → **400 kB** ✅ -33 B

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

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 762 B 763 B ✓
Total 762 B 763 B ⚠️ +1 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 450 B 449 B ✓
Total 450 B 449 B ✅ -1 B

📦 Webpack

Client

Main Bundles
Canary PR Change
5528-HASH.js gzip 5.54 kB N/A -
6280-HASH.js gzip 58.4 kB N/A -
6335.HASH.js gzip 169 B N/A -
912-HASH.js gzip 4.59 kB N/A -
e8aec2e4-HASH.js gzip 62.6 kB N/A -
framework-HASH.js gzip 59.7 kB 59.7 kB ✓
main-app-HASH.js gzip 255 B 253 B ✓
main-HASH.js gzip 39.1 kB 39.1 kB ✓
webpack-HASH.js gzip 1.68 kB 1.68 kB ✓
262-HASH.js gzip N/A 4.59 kB -
2889.HASH.js gzip N/A 169 B -
5602-HASH.js gzip N/A 5.55 kB -
6948ada0-HASH.js gzip N/A 62.6 kB -
9544-HASH.js gzip N/A 59.1 kB -
Total 232 kB 233 kB ⚠️ +713 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 180 B 🟢 3 B (-2%)
css-HASH.js gzip 331 B 330 B ✓
dynamic-HASH.js gzip 1.81 kB 1.81 kB ✓
edge-ssr-HASH.js gzip 256 B 256 B ✓
head-HASH.js gzip 351 B 352 B ✓
hooks-HASH.js gzip 384 B 383 B ✓
image-HASH.js gzip 580 B 581 B ✓
index-HASH.js gzip 260 B 260 B ✓
link-HASH.js gzip 2.5 kB 2.5 kB ✓
routerDirect..HASH.js gzip 320 B 319 B ✓
script-HASH.js gzip 386 B 386 B ✓
withRouter-HASH.js gzip 315 B 315 B ✓
1afbb74e6ecf..834.css gzip 106 B 106 B ✓
Total 7.97 kB 7.97 kB ✅ -2 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 125 kB 125 kB ✓
page.js gzip 254 kB 255 kB ✓
Total 379 kB 379 kB ⚠️ +313 B
Middleware
Canary PR Change
middleware-b..fest.js gzip 617 B 614 B ✓
middleware-r..fest.js gzip 156 B 155 B ✓
middleware.js gzip 43.9 kB 43.6 kB ✓
edge-runtime..pack.js gzip 842 B 842 B ✓
Total 45.5 kB 45.2 kB ✅ -279 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 715 B 718 B ✓
Total 715 B 718 B ⚠️ +3 B
Build Cache
Canary PR Change
0.pack gzip 4.02 MB 4.02 MB 🔴 +5.98 kB (+0%)
index.pack gzip 103 kB 103 kB ✓
index.pack.old gzip 103 kB 104 kB 🔴 +1.21 kB (+1%)
Total 4.22 MB 4.23 MB ⚠️ +6.47 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 320 kB 320 kB ✓
app-page-exp..prod.js gzip 170 kB 170 kB ✓
app-page-tur...dev.js gzip 320 kB 320 kB ✓
app-page-tur..prod.js gzip 170 kB 170 kB ✓
app-page-tur...dev.js gzip 316 kB 316 kB ✓
app-page-tur..prod.js gzip 168 kB 168 kB ✓
app-page.run...dev.js gzip 317 kB 317 kB ✓
app-page.run..prod.js gzip 168 kB 168 kB ✓
app-route-ex...dev.js gzip 70.8 kB 70.8 kB ✓
app-route-ex..prod.js gzip 49.2 kB 49.2 kB ✓
app-route-tu...dev.js gzip 70.8 kB 70.8 kB ✓
app-route-tu..prod.js gzip 49.2 kB 49.2 kB ✓
app-route-tu...dev.js gzip 70.4 kB 70.4 kB ✓
app-route-tu..prod.js gzip 49 kB 49 kB ✓
app-route.ru...dev.js gzip 70.4 kB 70.4 kB ✓
app-route.ru..prod.js gzip 49 kB 49 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 43.2 kB 43.2 kB ✓
pages-api-tu..prod.js gzip 32.9 kB 32.9 kB ✓
pages-api.ru...dev.js gzip 43.2 kB 43.2 kB ✓
pages-api.ru..prod.js gzip 32.8 kB 32.8 kB ✓
pages-turbo....dev.js gzip 52.5 kB 52.5 kB ✓
pages-turbo...prod.js gzip 38.5 kB 38.5 kB ✓
pages.runtim...dev.js gzip 52.5 kB 52.5 kB ✓
pages.runtim..prod.js gzip 38.4 kB 38.4 kB ✓
server.runti..prod.js gzip 61.9 kB 61.9 kB ✓
Total 2.82 MB 2.82 MB ✓
📎 Tarball URL 
next@https://vercel-packages.vercel.app/next/prs/90045/next

@mischnic mischnic changed the base branch from canary to graphite-base/90045 February 17, 2026 15:46
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from c49acb8 to e2bbdba Compare February 17, 2026 15:46
@nextjs-bot nextjs-bot added the Turbopack Related to Turbopack with Next.js. label Feb 17, 2026
@mischnic mischnic changed the base branch from graphite-base/90045 to mischnic/content-hash February 17, 2026 15:47
@mischnic mischnic mentioned this pull request Feb 17, 2026
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codspeed-hq bot commented Feb 17, 2026 •
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Merging this PR will not alter performance

✅ 17 untouched benchmarks
⏩ 3 skipped benchmarks1

Comparing mischnic/adapter-immutable (d3c1675) with canary (4c6c31a)

Open in CodSpeed

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. ↩

@mischnic mischnic force-pushed the mischnic/content-hash branch from 1a448e1 to 3985ef2 Compare February 17, 2026 22:16
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from e2bbdba to 8068adc Compare February 17, 2026 22:16
@mischnic mischnic force-pushed the mischnic/content-hash branch from 3985ef2 to 5ecd1b8 Compare February 18, 2026 10:10
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch 2 times, most recently from 3bbd023 to b7679fc Compare February 18, 2026 11:10
@mischnic mischnic force-pushed the mischnic/content-hash branch 2 times, most recently from 36fdcc2 to c57e37d Compare February 18, 2026 13:32
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from b7679fc to 14e262b Compare February 18, 2026 13:32
@mischnic mischnic changed the base branch from mischnic/content-hash to graphite-base/90045 February 18, 2026 14:07
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from 14e262b to cb443f2 Compare February 18, 2026 14:08
@mischnic mischnic force-pushed the graphite-base/90045 branch from c57e37d to 91bdad8 Compare February 18, 2026 14:08
@graphite-app graphite-app bot changed the base branch from graphite-base/90045 to canary February 18, 2026 14:09
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch 2 times, most recently from 794a41f to 6c1cc30 Compare February 18, 2026 17:40
@mischnic mischnic mentioned this pull request Feb 18, 2026
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@mischnic mischnic force-pushed the mischnic/adapter-immutable branch 2 times, most recently from 794a41f to e90fcb6 Compare February 20, 2026 17:39
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from fc2e2eb to 0d2419d Compare February 26, 2026 16:03
@mischnic mischnic force-pushed the mischnic/assert-dpl-in-tests branch from 9519684 to 892fb71 Compare February 26, 2026 20:01
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from 0e7e3e8 to b81cb41 Compare February 26, 2026 20:01
@mischnic mischnic changed the title Adapter: STATIC_FILE.immutable Adapter: STATIC_FILE.immutableHash Feb 26, 2026
@mischnic mischnic changed the base branch from mischnic/assert-dpl-in-tests to graphite-base/90045 February 27, 2026 09:06
@mischnic mischnic force-pushed the graphite-base/90045 branch from 892fb71 to 1c1550c Compare February 27, 2026 09:07
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from b81cb41 to ccd022d Compare February 27, 2026 09:07
@graphite-app graphite-app bot changed the base branch from graphite-base/90045 to canary February 27, 2026 09:07
@mischnic mischnic force-pushed the mischnic/adapter-immutable branch from ccd022d to 4dd236b Compare February 27, 2026 09:07
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vercel bot commented Feb 27, 2026 •
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Notifying the following users due to files changed in this PR based on this repo's notify modifiers:

@timneutkens, @ijjk, @shuding, @huozhi:

packages/next/src/server/config.ts

sokra
sokra reviewed Feb 27, 2026
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packages/next/src/server/config.ts
Comment on lines +1737 to +1738
// Silently ignore that flag for Webpack/Rspack since the server code assumes that all files
// in `static/chunks` are always immutable without checking the manifest.
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Does that comment still makes sense?

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@mischnic mischnic Feb 27, 2026 •
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Yes.
Thinking of this here:
https://github.com/vercel/next.js/pull/88607/changes#diff-23c10662faa97d8e3036cfbc35b05c3bb4c141b6fe64a9ce38b9c1bdc1feab7b

  return [...normalScripts, ...lowPriorityScripts].map((file) => {
    // static/chunks/51e975e7b637a580.js should use the immutable id, while
    // static/Yj152X97rfGgF7NPcJEZs/_ssgManifest.js should use the deployment id
    const query = file.startsWith('static/chunks')
      ? assetQueryString
      : mutableAssetQueryString

@mischnic mischnic merged commit 0b3da78 into canary Feb 27, 2026
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@mischnic mischnic deleted the mischnic/adapter-immutable branch February 27, 2026 09:51
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