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Upgrade React from bd6ea412-20260824 to f789f203-20260825 - #97887

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update/react/19.3.0-canary-f789f203-20260825
Aug 26, 2026
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Upgrade React from bd6ea412-20260824 to f789f203-20260825#97887
next-js-bot[bot] merged 6 commits into
canaryfrom
update/react/19.3.0-canary-f789f203-20260825

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next-js-bot Bot enabled auto-merge (squash) August 25, 2026 16:55
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next-js-bot Bot requested a review from eps1lon August 25, 2026 16:55
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Tests Passed

Commit: 3546697

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Stats from current PR

🟢 1 improvement

Metric Canary PR Change Trend
Webpack Warm (First Request) 3.583s 3.387s 🟢 196ms (-5%) ▁▁▁▁▁
📊 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) 808ms 812ms ✓ █████
Cold (Ready in log) 770ms 796ms ✓ ▅▅▅▄▁
Cold (First Request) 1.225s 1.269s ✓ ▄▃▇▂▁
Warm (Listen) 812ms 813ms ✓ █████
Warm (Ready in log) 782ms 798ms ✓ ▄▆▇▅▆
Warm (First Request) 1.223s 1.266s ✓ ▂▄▇▃▆
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 864ms 813ms ✓ ▂▂▂▁▂
Cold (Ready in log) 826ms 811ms ✓ ▁▁▁▁▁
Cold (First Request) 3.487s 3.488s ✓ ▁▁▁▁▁
Warm (Listen) 864ms 814ms ✓ ▂▂▂▁▂
Warm (Ready in log) 837ms 807ms ✓ ▁▁▁▁▁
Warm (First Request) 3.583s 3.387s 🟢 196ms (-5%) ▁▁▁▁▁

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 5.392s 5.660s ✓ █▇▆▄▃
Cached Build 2.794s 2.896s ✓ ▅▂▆▂▁
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 25.511s 25.179s ✓ ▁▁▂▁▁
Cached Build 24.928s 24.794s ✓ ▁▁▁▁▁
node_modules Size 553 MB 553 MB ✓ ▁▁▁██
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles
Canary PR Change
017_4moyv5m34.js gzip 117 B 117 B ✓
05jocc85-b73_.js gzip 341 B N/A -
096twxhe86hwd.js gzip 7.53 kB N/A -
0cz1d0mv5g_q7.js gzip 39.4 kB 39.4 kB ✓
0e5lgz-xcf6ln.js gzip 273 B 273 B ✓
0enhddgqs2dl-.js gzip 265 B 265 B ✓
0h34mejwa_7pd.js gzip 354 B 354 B ✓
0mg5-nyl2xcjy.js gzip 65.5 kB N/A -
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13lq2aw3_0bgw.js gzip 3.52 kB N/A -
17wjm_wc16a_w.js gzip 71.5 kB N/A -
1drifx6-oqf3q.js gzip 5.7 kB N/A -
1elt1qium-r2m.css gzip 115 B 115 B ✓
1m5vdnlf0deiv.js gzip 411 B 411 B ✓
1nigpy_mr0xvj.js gzip 339 B N/A -
1p0l8mn2wz5f2.js gzip 1.97 kB N/A -
1sqoyy39jpgkq.js gzip 121 B 121 B ✓
1tf1phijqlx9j.js gzip 220 B 220 B ✓
2-54v5vj7orwp.js gzip 46.8 kB N/A -
26upjmii0ixt5.js gzip 153 B N/A -
2b05_424u1zq-.js gzip 120 B N/A -
2ca40xittx95r.js gzip 8.75 kB N/A -
2kci0vnt-49o-.js gzip 113 B 113 B ✓
2rtriq9lc6zj-.js gzip 116 B N/A -
2sxgl_rcrrn_p.js gzip 399 B N/A -
2vt62i17bhbdu.js gzip 2.35 kB N/A -
342di-crrg9kq.js gzip 119 B N/A -
36hfc2_979aw2.js gzip 119 B N/A -
38wfp6jjrrdfm.js gzip 131 B 131 B ✓
3dl1ilk37-30g.js gzip 117 B N/A -
3h0us7yy7bd_o.js gzip 13.1 kB N/A -
3kvxagoobts7h.js gzip 117 B N/A -
3p99hd9vwe6ae.js gzip 13 kB N/A -
3r0475panhk6m.js gzip 123 B N/A -
3s0i-weykgzrt.js gzip 125 B N/A -
3vjosdbddykpw.js gzip 5.88 kB N/A -
3wijk2ywqgsv9.js gzip 2.52 kB N/A -
41u5s3oe2-erp.js gzip 2.29 kB N/A -
turbopack-0d..9ejy.js gzip 3.74 kB 3.74 kB ✓
02zc7sqlpqxn3.js gzip N/A 119 B -
06pzxqp5qiozm.js gzip N/A 5.7 kB -
0e28eh3gbwmp0.js gzip N/A 3.51 kB -
0e53csrecof4e.js gzip N/A 65.5 kB -
0jwho9fkrb_t3.js gzip N/A 2.29 kB -
0longconn5mlm.js gzip N/A 123 B -
0p4l3ozbez2cz.js gzip N/A 2.35 kB -
0sbh_15ejop4o.js gzip N/A 13 kB -
0skdm-9rpid8g.js gzip N/A 117 B -
0wv-h56sz83wn.js gzip N/A 120 B -
137xup2t69ovc.js gzip N/A 1.97 kB -
1ezuqvubf86h1.js gzip N/A 5.88 kB -
1fk10s3m1oecx.js gzip N/A 400 B -
1hut5u-lz2yif.js gzip N/A 117 B -
20qhkyyj2_tla.js gzip N/A 116 B -
2imyufe18bsb7.js gzip N/A 1.36 kB -
2p4n3-8-xixh_.js gzip N/A 341 B -
2vqdfieehz5do.js gzip N/A 8.75 kB -
2xn85ykzw2v1e.js gzip N/A 13.1 kB -
34knadd6wu9qg.js gzip N/A 119 B -
35eub0y5wk0-c.js gzip N/A 7.53 kB -
39jq2b6t6z6up.js gzip N/A 339 B -
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3s3ce5ovlrzce.js gzip N/A 71.5 kB -
3t121tj-h0kbm.js gzip N/A 125 B -
Total 299 kB 299 kB ⚠️ +4 B

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 1.02 kB 1.02 kB ✓
Total 1.02 kB 1.02 kB ✓
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 846 B 848 B ✓
Total 846 B 848 B ⚠️ +2 B
Build Cache
Canary PR Change
00000001.sst gzip 12.3 MB 13.3 MB 🔴 +1.06 MB (+9%)
00000002.sst gzip 14.3 MB 14.8 MB 🔴 +532 kB (+4%)
00000003.sst gzip 14.3 MB 12.9 MB 🟢 1.39 MB (-10%)
00000004.sst gzip 13.9 MB 13.7 MB 🟢 194 kB (-1%)
00000005.sst gzip 10.1 MB 10.1 MB ✓
00000006.sst gzip 2.75 MB 2.75 MB ✓
00000007.sst gzip 59 B 59 B ✓
00000008.meta gzip 89 B 89 B ✓
00000009.meta gzip 297 kB 297 kB ✓
00000010.meta gzip 297 kB 297 kB ✓
00000011.meta gzip 297 kB 297 kB ✓
00000012.sst gzip 52.6 kB 52.9 kB ✓
00000013.sst gzip 1.78 MB 1.78 MB ✓
00000014.sst gzip 59 B 59 B ✓
00000015.meta gzip 116 B 116 B ✓
00000016.meta gzip 327 kB 327 kB ✓
00000017.meta gzip 404 kB 403 kB ✓
00000018.sst gzip 53.2 kB 53.9 kB 🔴 +709 B (+1%)
00000019.sst gzip 1.35 MB 1.36 MB 🔴 +5.62 kB (+0%)
00000020.sst gzip 59 B 59 B ✓
00000021.meta gzip 116 B 116 B ✓
00000022.meta gzip 327 kB 327 kB ✓
00000023.meta gzip 371 kB 372 kB ✓
00000024.sst gzip 53.3 kB 54 kB 🔴 +710 B (+1%)
00000025.sst gzip 1.35 MB 1.36 MB 🔴 +5.95 kB (+0%)
00000026.sst gzip 59 B 59 B ✓
00000027.meta gzip 116 B 116 B ✓
00000028.meta gzip 327 kB 327 kB ✓
00000029.meta gzip 371 kB 372 kB ✓
00000030.sst gzip 52.7 kB 53 kB ✓
00000031.sst gzip 1.35 MB 1.36 MB 🔴 +5.71 kB (+0%)
00000032.sst gzip 59 B 59 B ✓
00000033.meta gzip 116 B 116 B ✓
00000034.meta gzip 327 kB 327 kB ✓
00000035.meta gzip 371 kB 372 kB ✓
00000036.sst gzip 53.3 kB 53.9 kB 🔴 +637 B (+1%)
00000037.sst gzip 1.35 MB 1.36 MB 🔴 +5.89 kB (+0%)
00000038.sst gzip 59 B 59 B ✓
00000039.meta gzip 116 B 116 B ✓
00000040.meta gzip 327 kB 327 kB ✓
00000041.meta gzip 371 kB 372 kB ✓
CURRENT gzip 92 B 94 B 🔴 +2 B (+2%)
LOG gzip 683 B 669 B 🟢 14 B (-2%)
Total 79.5 MB 79.5 MB ⚠️ +40.2 kB

📦 Webpack

Client

Main Bundles
Canary PR Change
3322-HASH.js gzip 65.7 kB N/A -
4191.HASH.js gzip 169 B N/A -
9784-HASH.js gzip 5.6 kB N/A -
b1ad9f4c-HASH.js gzip 63.5 kB N/A -
framework-HASH.js gzip 59.7 kB 59.7 kB ✓
main-app-HASH.js gzip 253 B 253 B ✓
main-HASH.js gzip 39.8 kB 39.7 kB ✓
webpack-HASH.js gzip 1.68 kB 1.68 kB ✓
3577.HASH.js gzip N/A 168 B -
578-HASH.js gzip N/A 65.8 kB -
8590-HASH.js gzip N/A 5.57 kB -
a8984546-HASH.js gzip N/A 63.5 kB -
Total 236 kB 237 kB ⚠️ +108 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 181 B 182 B ✓
css-HASH.js gzip 334 B 331 B ✓
dynamic-HASH.js gzip 1.81 kB 1.81 kB ✓
edge-ssr-HASH.js gzip 255 B 253 B ✓
head-HASH.js gzip 349 B 351 B ✓
hooks-HASH.js gzip 382 B 384 B ✓
image-HASH.js gzip 5.05 kB 5.05 kB ✓
index-HASH.js gzip 260 B 259 B ✓
link-HASH.js gzip 2.48 kB 2.48 kB ✓
routerDirect..HASH.js gzip 317 B 318 B ✓
script-HASH.js gzip 384 B 386 B ✓
withRouter-HASH.js gzip 316 B 315 B ✓
1afbb74e6ecf..834.css gzip 106 B 106 B ✓
Total 12.4 kB 12.4 kB ✅ -6 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 128 kB 128 kB ✓
page.js gzip 293 kB 293 kB ✓
Total 421 kB 421 kB ✅ -401 B
Middleware
Canary PR Change
middleware-b..fest.js gzip 600 B 599 B ✓
middleware-r..fest.js gzip 156 B 156 B ✓
middleware.js gzip 45.8 kB 45.5 kB ✓
edge-runtime..pack.js gzip 842 B 842 B ✓
Total 47.3 kB 47.1 kB ✅ -233 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 699 B 699 B ✓
Total 699 B 699 B ✓
Build Cache
Canary PR Change
0.pack gzip 4.8 MB 4.79 MB 🟢 7.32 kB (0%)
index.pack gzip 123 kB 123 kB ✓
index.pack.old gzip 123 kB 123 kB ✓
Total 5.04 MB 5.04 MB ✅ -7.55 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 375 kB 375 kB ✓
app-page-exp..prod.js gzip 206 kB 206 kB ✓
app-page-tur...dev.js gzip 374 kB 374 kB ✓
app-page-tur..prod.js gzip 206 kB 206 kB ✓
app-page-tur...dev.js gzip 370 kB 370 kB ✓
app-page-tur..prod.js gzip 204 kB 204 kB ✓
app-page.run...dev.js gzip 371 kB 371 kB ✓
app-page.run..prod.js gzip 204 kB 204 kB ✓
app-route-ex...dev.js gzip 82.6 kB 82.6 kB ✓
app-route-ex..prod.js gzip 55.7 kB 55.7 kB ✓
app-route-tu...dev.js gzip 82.6 kB 82.6 kB ✓
app-route-tu..prod.js gzip 55.7 kB 55.7 kB ✓
app-route-tu...dev.js gzip 82.2 kB 82.2 kB ✓
app-route-tu..prod.js gzip 55.4 kB 55.4 kB ✓
app-route.ru...dev.js gzip 82.2 kB 82.2 kB ✓
app-route.ru..prod.js gzip 55.4 kB 55.4 kB ✓
dev-validati...dev.js gzip 134 kB 134 kB ✓
dev-validati...dev.js gzip 134 kB 134 kB ✓
dev-validati...dev.js gzip 132 kB 132 kB ✓
dev-validati...dev.js gzip 132 kB 132 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 46.3 kB 46.3 kB ✓
pages-api-tu..prod.js gzip 34.3 kB 34.3 kB ✓
pages-api.ru...dev.js gzip 46.2 kB 46.2 kB ✓
pages-api.ru..prod.js gzip 34.3 kB 34.3 kB ✓
pages-turbo....dev.js gzip 54.7 kB 54.7 kB ✓
pages-turbo...prod.js gzip 39.7 kB 39.7 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 65.9 kB 65.9 kB ✓
use-cache-pr...dev.js gzip 73.3 kB 73.3 kB ✓
use-cache-pr...dev.js gzip 73.3 kB 73.3 kB ✓
use-cache-pr...dev.js gzip 71.5 kB 71.5 kB ✓
use-cache-pr...dev.js gzip 71.5 kB 71.5 kB ✓
Total 4.1 MB 4.1 MB ⚠️ +207 B
📝 Changed Files (12 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
  • dev-validati..ntime.dev.js
  • dev-validati..ntime.dev.js
  • dev-validati..ntime.dev.js
  • dev-validati..ntime.dev.js
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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dev-validati..ntime.dev.js

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dev-validati..ntime.dev.js

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dev-validati..ntime.dev.js

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dev-validati..ntime.dev.js

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📎 Tarball URL 
https://vercel-packages.vercel.app/next/commits/3546697e076afa928f1fac73685ae0f0956c2345/next

Commit: 3546697

@next-js-bot
next-js-bot Bot merged commit 9ce5575 into canary Aug 26, 2026
232 of 234 checks passed
@next-js-bot
next-js-bot Bot deleted the update/react/19.3.0-canary-f789f203-20260825 branch August 26, 2026 06:41
@eps1lon
eps1lon restored the update/react/19.3.0-canary-f789f203-20260825 branch August 26, 2026 06:42
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