chore: upgrade React experimental to 0.0.0-experimental-3cb2c420-20260324

[react-server-bot]

Automated daily upgrade of React packages to the latest experimental version.

Previous version: 0.0.0-experimental-46103596-20260305
New version: 0.0.0-experimental-3cb2c420-20260324

Updated locations

• packages/react-server/package.json — react, react-dom, react-is, react-server-dom-webpack
• package.json — all pnpm.overrides for React
• docs/ — micro-frontends MDX (en + ja) esm.sh URLs
• pnpm-lock.yaml

Smoke test

• Dev mode — hello world test passed ✅
• Build+start mode — hello world test passed ✅

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Status	Name	Latest Commit	Updated (UTC)
✅ Deployment successful! View logs	react-server-docs	1d33267	Mar 27 2026, 06:30 AM

[github-actions]

⚡ Benchmark Results

	PR 1d33267	main 8be293d
Config	50 connections, 10s/test	50 connections, 10s/test

Benchmark	Req/s	vs main	Avg Latency	vs main	P99 Latency	Throughput
minimal	1291	🟢 +3.4%	38.18 ms	🟢 -3.2%	77 ms	0.7 MB/s
small	1336	⚪ -0.2%	36.88 ms	⚪ +0.3%	63 ms	1.2 MB/s
medium	335	⚪ -0.4%	148.43 ms	⚪ +0.3%	206 ms	4.9 MB/s
large	30	⚪ +0.3%	1530.03 ms	⚪ -0.2%	3070 ms	3.0 MB/s
deep	872	🟢 +1.4%	56.57 ms	🟢 -1.6%	93 ms	2.9 MB/s
wide	39	🔴 -1.3%	1156.18 ms	🟢 -2.2%	2187 ms	2.1 MB/s
cached	3690	🟢 +4.6%	13.02 ms	🟢 -4.8%	25 ms	53.8 MB/s
client-min	970	🟢 +5.0%	50.97 ms	🟢 -4.8%	81 ms	2.5 MB/s
client-small	978	🟢 +1.9%	50.56 ms	🟢 -1.6%	78 ms	2.8 MB/s
client-med	598	🟢 +2.8%	82.89 ms	🟢 -2.8%	120 ms	9.9 MB/s
client-large	96	🟢 +6.6%	511.45 ms	🟢 -6.0%	938 ms	9.8 MB/s
client-deep	851	🟢 +3.7%	58.13 ms	🟢 -3.6%	88 ms	4.5 MB/s
client-wide	165	🟢 +1.1%	297.51 ms	⚪ -1.0%	511 ms	9.3 MB/s
static-json	7991	🟢 +12.3%	5.95 ms	🟢 -8.0%	11 ms	3.3 MB/s
static-js	7399	🟢 +12.1%	6.21 ms	🟢 -11.9%	13 ms	34.4 MB/s
404-miss	6370	🟢 +24.5%	7.25 ms	🟢 -21.5%	14 ms	0.8 MB/s

Legend

🟢 > 1% improvement | 🔴 > 1% regression | ⚪ within noise margin

Benchmarks run on GitHub Actions runners (shared infrastructure) — expect ~5% variance between runs. Consistent directional changes across multiple routes are more meaningful than any single number.