chore: upgrade React experimental to 0.0.0-experimental-705268dc-20260409

[react-server-bot]

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

Previous version: 0.0.0-experimental-1b45e243-20260402
New version: 0.0.0-experimental-705268dc-20260409

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	a91a837	Apr 10 2026, 03:15 PM

[codecov-commenter]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
908	1	907	19

View the top 1 failed test(s) by shortest run time

__test__/scroll-restoration.spec.mjs > scroll restoration: multiple back/forward preserves positions

Stack Traces | 28.3s run time

AssertionError: expected 0 to be greater than 400
 ❯ __test__/scroll-restoration.spec.mjs:158:25

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[github-actions]

⚡ Benchmark Results

	PR a91a837	main 0d059c7
Config	50 connections, 10s/test	50 connections, 10s/test

Benchmark	Req/s	vs main	Avg Latency	vs main	P99 Latency	Throughput
minimal	1428	🟢 +11.9%	34.49 ms	🟢 -10.9%	67 ms	0.8 MB/s
small	1446	🟢 +5.2%	34.04 ms	🟢 -4.8%	58 ms	1.3 MB/s
medium	340	⚪ +0.1%	145.23 ms	⚪ -0.5%	208 ms	5.0 MB/s
large	30	🔴 -2.3%	1525.15 ms	🟢 -2.1%	2823 ms	3.0 MB/s
deep	940	⚪ +0.3%	52.54 ms	⚪ -0.2%	91 ms	3.1 MB/s
wide	39	⚪ -0.8%	1188.23 ms	🟢 -2.4%	2108 ms	2.1 MB/s
cached	3564	🟢 +3.5%	13.6 ms	🟢 -3.2%	28 ms	52.0 MB/s
client-min	530	🟢 +3.0%	93.19 ms	🟢 -3.2%	150 ms	2.7 MB/s
client-small	542	⚪ -0.1%	91.04 ms	⚪ -0.1%	136 ms	2.9 MB/s
client-med	404	🔴 -1.0%	122.33 ms	⚪ +0.9%	183 ms	7.7 MB/s
client-large	94	🟢 +7.9%	524.64 ms	🟢 -4.2%	977 ms	9.9 MB/s
client-deep	512	🟢 +5.5%	96.66 ms	🟢 -5.7%	137 ms	4.0 MB/s
client-wide	146	🔴 -4.1%	335.47 ms	🔴 +3.1%	628 ms	8.6 MB/s
static-json	9418	🟢 +5.3%	4.9 ms	🟢 -1.8%	15 ms	3.9 MB/s
static-js	9715	🟢 +9.0%	4.69 ms	🟢 -5.4%	15 ms	11.6 MB/s
404-miss	5612	🟢 +5.0%	8.28 ms	🟢 -8.0%	18 ms	0.7 MB/s
hybrid-min	546	🟢 +6.1%	90.57 ms	🟢 -5.5%	144 ms	3.0 MB/s
hybrid-small	516	🟢 +2.6%	95.89 ms	🟢 -2.8%	137 ms	3.4 MB/s
hybrid-medium	216	🟢 +3.7%	228.14 ms	🟢 -3.0%	329 ms	9.7 MB/s
hybrid-large	25	🔴 -2.8%	1793.61 ms	🔴 +1.1%	3524 ms	8.3 MB/s
hybrid-deep	391	🟢 +1.5%	127.27 ms	⚪ -0.6%	186 ms	5.8 MB/s
hybrid-wide	35	🟢 +4.5%	1350.38 ms	🟢 -2.5%	2332 ms	7.5 MB/s
hybrid-cached	2905	🟢 +2.5%	16.74 ms	🟢 -2.2%	31 ms	130.1 MB/s
hybrid-client-min	565	🟢 +1.0%	87.9 ms	⚪ -0.7%	131 ms	2.9 MB/s
hybrid-client-small	562	🟢 +3.4%	88.05 ms	🟢 -3.5%	132 ms	3.1 MB/s
hybrid-client-medium	401	⚪ -0.4%	123.38 ms	⚪ +0.7%	181 ms	7.7 MB/s
hybrid-client-large	89	⚪ +0.6%	535.55 ms	🟢 -2.6%	954 ms	9.4 MB/s
hybrid-client-deep	500	🔴 -1.7%	98.91 ms	🔴 +1.3%	145 ms	4.0 MB/s
hybrid-client-wide	150	🔴 -1.1%	325.89 ms	🔴 +1.3%	562 ms	8.9 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.