Upgrade to swc 73 by mischnic · Pull Request #95731 · vercel/next.js

mischnic · 2026-07-13T06:59:24Z

Waiting for a swc major bump in https://github.com/swc-project/plugins...

mischnic · 2026-07-13T06:59:37Z

Upgrade to swc 73 #95731 👈 (View in Graphite)
canary

This stack of pull requests is managed by Graphite. Learn more about stacking.

github-actions · 2026-07-13T06:59:44Z

Tests Passed

Commit: 211fb5f

github-actions · 2026-07-13T06:59:44Z

Stats from current PR

🔴 1 regression, 1 improvement

Metric	Canary	PR	Change	Trend
Turbo Build Time	5.201s	5.558s	🔴 +357ms (+7%)	█▁▂▃▁
Webpack Warm (First Request)	3.599s	3.366s	🟢 233ms (-6%)	█▁▁▁▂

📊 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)	813ms	813ms	✓	█▂▂▂▁
Cold (Ready in log)	796ms	788ms	✓	█▁▁▁▁
Cold (First Request)	1.361s	1.321s	✓	█▁▂▂▁
Warm (Listen)	814ms	814ms	✓	▇▂▂▂▁
Warm (Ready in log)	801ms	784ms	✓	█▁▂▂▁
Warm (First Request)	1.351s	1.323s	✓	█▁▁▂▁

📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric	Canary	PR	Change	Trend
Cold (Listen)	813ms	813ms	✓	█▁▂▂▁
Cold (Ready in log)	793ms	784ms	✓	█▁▁▁▁
Cold (First Request)	3.455s	3.411s	✓	█▁▁▁▂
Warm (Listen)	814ms	812ms	✓	█▁▂▂▂
Warm (Ready in log)	803ms	776ms	✓	█▁▁▁▂
Warm (First Request)	3.599s	3.366s	🟢 233ms (-6%)	█▁▁▁▂

⚡ Production Builds

Metric	Canary	PR	Change	Trend
Fresh Build	5.201s	5.558s	🔴 +357ms (+7%)	█▁▂▃▁
Cached Build	5.361s	5.591s	✓	█▁▃▃▁

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change	Trend
Fresh Build	25.719s	25.893s	✓	█▁▁▂▁
Cached Build	26.132s	26.275s	✓	█▁▁▂▁
node_modules Size	516 MB	516 MB	✓	█████

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles

	Canary	PR	Change
03gmyxr7dukvs.js gzip	10.3 kB	N/A	-
040t1q17lo593.js gzip	8.77 kB	N/A	-
0bb0vtp8dwsez.js gzip	450 B	N/A	-
0c_ha94l6c04t.js gzip	156 B	N/A	-
0cz1d0mv5g_q7.js gzip	39.4 kB	39.4 kB	✓
0kc46plcxbl2o.js gzip	65.5 kB	N/A	-
0l0sr6gau5xjn.js gzip	3.53 kB	N/A	-
0nxqz3q165m2l.js gzip	220 B	N/A	-
0qr-1tnb7_hg5.js gzip	5.72 kB	N/A	-
0u7_bcr66x2yb.js gzip	157 B	N/A	-
0uilzvklme4ea.js gzip	8.76 kB	N/A	-
0wh21b9_q2n6i.js gzip	157 B	N/A	-
0yqov-58ioapx.js gzip	162 B	N/A	-
0z0y83mfx-l-h.js gzip	10 kB	N/A	-
15ok8ydf274z0.js gzip	10.6 kB	N/A	-
16cqqcigykfea.js gzip	13.6 kB	N/A	-
17h18zxt1915l.js gzip	1.46 kB	N/A	-
1bggfiprh0q1n.js gzip	158 B	N/A	-
1elt1qium-r2m.css gzip	115 B	115 B	✓
1fq1h7dxad4cv.js gzip	9.44 kB	N/A	-
1fym-adbk_69_.js gzip	13.1 kB	N/A	-
1g80-jfls9qyr.js gzip	13.2 kB	N/A	-
1gav7nfh4y8ln.js gzip	8.76 kB	N/A	-
1w14h_4ar9o-w.js gzip	161 B	N/A	-
1xdrt2nef_9m-.js gzip	159 B	N/A	-
203qo9qrhc_77.js gzip	154 B	N/A	-
22sajk3amu-ua.js gzip	45 kB	N/A	-
26xnr0078vuee.js gzip	71.1 kB	N/A	-
2n8sk86540ptu.js gzip	154 B	N/A	-
2o1ojrb3rdrmw.js gzip	157 B	N/A	-
2rypqffktcxqh.js gzip	8.69 kB	N/A	-
2uqsizxtehgqf.js gzip	8.79 kB	N/A	-
2vzktdqwbijqc.js gzip	8.74 kB	N/A	-
339ja3s29wraf.js gzip	153 B	N/A	-
3c244akvx_-be.js gzip	8.74 kB	N/A	-
3dmlemitx3ef3.js gzip	2.29 kB	N/A	-
3e4px3hvyezn-.js gzip	168 B	N/A	-
3y193x4n8cq9d.js gzip	7.4 kB	N/A	-
41lexzgfayovg.js gzip	155 B	N/A	-
4237vdj6eyslt.js gzip	8.7 kB	N/A	-
turbopack-05..5a3x.js gzip	3.85 kB	N/A	-
turbopack-0o..7u6k.js gzip	3.86 kB	N/A	-
turbopack-0u..beck.js gzip	3.84 kB	N/A	-
turbopack-0x..qd7q.js gzip	3.85 kB	N/A	-
turbopack-1i..pfwv.js gzip	3.85 kB	N/A	-
turbopack-1j..ka1s.js gzip	3.85 kB	N/A	-
turbopack-1z..jft8.js gzip	3.83 kB	N/A	-
turbopack-2a..ikab.js gzip	3.85 kB	N/A	-
turbopack-2b..meu9.js gzip	3.85 kB	N/A	-
turbopack-34..8_3t.js gzip	3.85 kB	N/A	-
turbopack-3f..48d3.js gzip	3.85 kB	N/A	-
turbopack-3j..fj12.js gzip	3.85 kB	N/A	-
turbopack-3x..czlp.js gzip	3.85 kB	N/A	-
turbopack-41..8vth.js gzip	3.85 kB	N/A	-
00tc16j5-eos9.js gzip	N/A	1.46 kB	-
05tax4x1rfda4.js gzip	N/A	7.4 kB	-
07u2ve1ew_66u.js gzip	N/A	157 B	-
0eri9g30jjtex.js gzip	N/A	157 B	-
0gaw1gmpwuwkn.js gzip	N/A	8.8 kB	-
0t-ymsh-ysfov.js gzip	N/A	152 B	-
12zyjjmq4oad1.js gzip	N/A	5.72 kB	-
15m6e_rewp1q2.js gzip	N/A	65.5 kB	-
17aun530y2f7k.js gzip	N/A	157 B	-
1enzo1kuh1_0a.js gzip	N/A	160 B	-
1k9cc4-gpa2cx.js gzip	N/A	13.1 kB	-
1n59uogejo81s.js gzip	N/A	10.3 kB	-
1npei3hlexdv3.js gzip	N/A	9.99 kB	-
1ssuiwj_rnpc5.js gzip	N/A	8.77 kB	-
2_07a4wy70x5s.js gzip	N/A	160 B	-
2-phc9obd3nyd.js gzip	N/A	8.77 kB	-
24utq57r3l1cw.js gzip	N/A	8.7 kB	-
2fhjq6ek3srmr.js gzip	N/A	8.69 kB	-
2g0t7upz_v-hf.js gzip	N/A	10.6 kB	-
2ia9qqy99aie9.js gzip	N/A	13.6 kB	-
2oza28kdqvoay.js gzip	N/A	8.74 kB	-
2s7s6xgqnhqcw.js gzip	N/A	156 B	-
2xtwnt_y9x-o0.js gzip	N/A	157 B	-
2zh8-mmhujy8o.js gzip	N/A	2.29 kB	-
30h_m0irj-q6p.js gzip	N/A	221 B	-
319hk3fl01uhk.js gzip	N/A	71.1 kB	-
37ejbfx1u9lpo.js gzip	N/A	8.75 kB	-
38584o8nu9nai.js gzip	N/A	155 B	-
38c63ct4i1cy7.js gzip	N/A	449 B	-
3hd1us4ordyc9.js gzip	N/A	13.2 kB	-
3i1sjoujn9gzr.js gzip	N/A	155 B	-
3jimpal3lvz5e.js gzip	N/A	9.44 kB	-
3ns42zoevxrsp.js gzip	N/A	45 kB	-
3qjzvkds5fv11.js gzip	N/A	155 B	-
3su6a4l8jbfth.js gzip	N/A	3.53 kB	-
3wb4pe4z4-aim.js gzip	N/A	8.77 kB	-
3xe8y87nsfo33.js gzip	N/A	166 B	-
41r_zai4bpywq.js gzip	N/A	155 B	-
turbopack-03..dixy.js gzip	N/A	3.85 kB	-
turbopack-05.._0df.js gzip	N/A	3.84 kB	-
turbopack-0c..4rx4.js gzip	N/A	3.83 kB	-
turbopack-0u..kye8.js gzip	N/A	3.84 kB	-
turbopack-17..pz3_.js gzip	N/A	3.85 kB	-
turbopack-1u..mgjz.js gzip	N/A	3.85 kB	-
turbopack-2-..twyx.js gzip	N/A	3.85 kB	-
turbopack-21..qsiw.js gzip	N/A	3.85 kB	-
turbopack-28..kbb4.js gzip	N/A	3.85 kB	-
turbopack-2i..7d-h.js gzip	N/A	3.85 kB	-
turbopack-2t..ftmx.js gzip	N/A	3.86 kB	-
turbopack-2t..ycmc.js gzip	N/A	3.84 kB	-
turbopack-3t..em62.js gzip	N/A	3.85 kB	-
turbopack-41..zerl.js gzip	N/A	3.84 kB	-
Total	448 kB	448 kB	⚠️ +24 B

Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	731 B	723 B	🟢 8 B (-1%)
Total	731 B	723 B	✅ -8 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	434 B	434 B	✓
Total	434 B	434 B	✓

📦 Webpack

Client

Main Bundles

	Canary	PR	Change
2486.HASH.js gzip	169 B	N/A	-
3146-HASH.js gzip	64 kB	N/A	-
39fcf99b-HASH.js gzip	62.9 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	257 B	254 B	🟢 3 B (-1%)
main-HASH.js gzip	39.6 kB	40.1 kB	🔴 +455 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	63.4 kB	-
9597-HASH.js gzip	N/A	4.65 kB	-
e1ccab69-HASH.js gzip	N/A	62.9 kB	-
Total	239 kB	239 kB	✅ -142 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	282 kB	283 kB	✓
Total	409 kB	411 kB	⚠️ +2.01 kB

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	615 B	616 B	✓
middleware-r..fest.js gzip	156 B	155 B	✓
middleware.js gzip	45.4 kB	45.2 kB	✓
edge-runtime..pack.js gzip	842 B	842 B	✓
Total	47 kB	46.8 kB	✅ -212 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	4.78 MB	4.78 MB	🟢 6.26 kB (0%)
index.pack gzip	118 kB	117 kB	✓
index.pack.old gzip	118 kB	118 kB	✓
Total	5.02 MB	5.01 MB	✅ -6.54 kB

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
app-page-exp...dev.js gzip	363 kB	363 kB	✓
app-page-exp..prod.js gzip	201 kB	201 kB	✓
app-page-tur...dev.js gzip	363 kB	363 kB	✓
app-page-tur..prod.js gzip	201 kB	201 kB	✓
app-page-tur...dev.js gzip	359 kB	359 kB	✓
app-page-tur..prod.js gzip	199 kB	199 kB	✓
app-page.run...dev.js gzip	360 kB	360 kB	✓
app-page.run..prod.js gzip	199 kB	199 kB	✓
app-route-ex...dev.js gzip	81.1 kB	81.1 kB	✓
app-route-ex..prod.js gzip	55.2 kB	55.2 kB	✓
app-route-tu...dev.js gzip	81.1 kB	81.1 kB	✓
app-route-tu..prod.js gzip	55.2 kB	55.2 kB	✓
app-route-tu...dev.js gzip	80.7 kB	80.7 kB	✓
app-route-tu..prod.js gzip	55 kB	55 kB	✓
app-route.ru...dev.js gzip	80.7 kB	80.7 kB	✓
app-route.ru..prod.js gzip	54.9 kB	54.9 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	34 kB	34 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	54.7 kB	54.7 kB	✓
pages-turbo...prod.js gzip	39.6 kB	39.6 kB	✓
pages.runtim...dev.js gzip	54.7 kB	54.7 kB	✓
pages.runtim..prod.js gzip	39.6 kB	39.6 kB	✓
server.runti..prod.js gzip	65.3 kB	65.3 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	3.48 MB	3.48 MB	✓

📎 Tarball URL

https://vercel-packages.vercel.app/next/commits/211fb5ff769d5e2ea2c7c58a8c0a69afec3132a7/next

Commit: 211fb5f

mischnic marked this pull request as ready for review July 13, 2026 06:59

mischnic marked this pull request as draft July 13, 2026 07:03

mischnic added 2 commits July 13, 2026 10:04

Upgrade to swc 73

94b6812

plugins

211fb5f

mischnic force-pushed the mischnic/swc-73 branch from 148dfff to 211fb5f Compare July 13, 2026 08:04

mischnic marked this pull request as ready for review July 13, 2026 08:54

mischnic requested a review from a team July 13, 2026 09:09

lukesandberg approved these changes Jul 13, 2026

View reviewed changes

mischnic merged commit d774f7d into canary Jul 14, 2026
130 checks passed

mischnic deleted the mischnic/swc-73 branch July 14, 2026 06:03

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Upgrade to swc 73#95731

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mischnic merged 2 commits into
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🔴 1 regression, 1 improvement

⚡ Dev Server

📦 Dev Server (Webpack)

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