[ryansolid]

Summary

This is the batch re-record of the size ledger after #4639 and #4641 merged. The numbers come from next's push Size run at 6e569c7 (head job 125766182293). Hello world is unchanged at 9,974 B, and its 9.98 KB cap is untouched.

Size-Exception: frozen floors re-recorded after the batch. The maintainer accepted the growth from #4639 (a pending error-boundary output read only behind fallbacks holds nothing, +74 B minified on the app rows) and from #4641 (a memo over an error boundary's output no longer halts on a held rejection, +47 B minified on the isPending/latest rows). The hydrating floor goes from 18.94 KB to 18.97 KB, base server components from 33.92 KB to 33.95 KB, and live server components from 39.82 KB to 39.92 KB.

scenario	cap	recorded minified
signals: + isPending/latest	11.91 KB -> 11.92 KB	32,725 -> 32,772
app: hydrating	18.94 KB -> 18.97 KB	53,832 -> 53,906 (frozen floor)
app: hydrating + every store primitive family	32.96 KB -> 32.98 KB	99,377 -> 99,451
app: CSR with Show/For/Loading/Errored/lazy	13.64 KB -> 13.65 KB	37,303 -> 37,377
app: CSR, observe tier	15.40 KB -> 15.41 KB	42,253 -> 42,327
app: CSR, observe tier + attribution engine enabled	30.03 KB (unchanged)	88,582 -> 88,656
app: compiled CSR	26.51 KB -> 26.54 KB	80,240 -> 80,314
app: compiled hydrating	32.79 KB (unchanged)	100,960 -> 101,034
page: base server components	33.92 KB -> 33.95 KB	101,947 -> 102,026 (frozen floor)
page: live server components	39.82 KB -> 39.92 KB	119,983 -> 120,104 (frozen floor)
page: compiled base server components	35.93 KB (unchanged)	108,286 -> 108,360
page: compiled live server components	43.87 KB -> 43.97 KB	128,235 -> 128,356
page: base + router	41.53 KB (unchanged)	126,040 -> 126,108
page: live + router	49.63 KB (unchanged)	145,796 -> 145,917

How did you test this change?

• The numbers are CI's measurements from next's push Size job, not local ones.
• Ran prettier on scripts/size.

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Generated by Claude Code

[changeset-bot]

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Latest commit: 0ca1d1e

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[github-actions]

Size (brotli, eager entry chunk)

scenario	head	vs base	minified vs base	minified vs recorded	cap		lazy chunks (not counted)
signals: core floor (createSignal/Memo/Effect/Root/flush)	7.42 KB	0 B	0 B	−91 B	7.43 KB	✅
signals: + createStore	15.01 KB	0 B	0 B	0 B	15.03 KB	✅
signals: + isPending/latest	11.90 KB	0 B	0 B	0 B	11.92 KB	✅
signals: + until/refresh (truth readers, no optimism)	8.05 KB	0 B	0 B	−84 B	8.06 KB	✅
app: render + one signal (the simple-app floor)	9.80 KB	0 B	0 B	−150 B	9.80 KB	✅
app: hydrating (no stores) with Show/For/Loading/Errored/lazy	18.96 KB	0 B	0 B	0 B	18.97 KB	✅	lazy-page.js 0.04 KB
app: hydrating + every store primitive family	32.97 KB	0 B	0 B	0 B	32.98 KB	✅	lazy-page.js 0.04 KB
app: CSR with Show/For/Loading/Errored/lazy	13.63 KB	0 B	0 B	0 B	13.65 KB	✅	lazy-page.js 0.04 KB
app: CSR, observe tier (same app on the observe artifacts)	15.40 KB	0 B	0 B	0 B	15.41 KB	✅	lazy-page.js 0.04 KB
app: CSR, observe tier + attribution engine enabled	30.01 KB	0 B	0 B	0 B	30.03 KB	✅	lazy-page.js 0.04 KB
app: compiled floor (one template, one text hole, one delegated click)	9.97 KB	0 B	0 B	−187 B	9.98 KB	✅
app: compiled CSR (JSX todo app: spread/merge/omit, events, class/style, keyed For, Show, Loading + lazy, store)	26.52 KB	0 B	0 B	0 B	26.54 KB	✅	stats.js 0.18 KB
app: compiled hydrating (the same JSX todo app through hydrate(), compiled hydratable)	32.76 KB	0 B	0 B	0 B	32.79 KB	✅	stats.js 0.20 KB
frames: eager client consumer (frames client + transport, lazy codec)	11.75 KB	0 B	0 B	0 B	11.77 KB	✅
page: base server components (hydrating + dynamic + frames + sf reference)	33.93 KB	0 B	0 B	0 B	33.95 KB	✅	assets.js 0.78 KB, decode.js 7.09 KB, lazy-page.js 0.04 KB, regions.js 1.06 KB, trace.js 9.22 KB, wire.js 3.47 KB
page: live server components (base + live/GET + action + isPending/latest)	39.90 KB	0 B	0 B	0 B	39.92 KB	✅	assets.js 0.78 KB, decode.js 7.09 KB, lazy-page.js 0.04 KB, regions.js 1.06 KB, trace.js 9.24 KB, wire.js 3.47 KB
page: compiled base server components (the base page as JSX: templates with class/style/attributes/events, For/Show; no spread)	35.91 KB	0 B	0 B	0 B	35.93 KB	✅	assets.js 0.78 KB, decode.js 7.09 KB, regions.js 1.06 KB, sc-comments.js 0.20 KB, trace.js 9.17 KB, wire.js 3.47 KB
page: compiled live server components (the compiled base page + live/GET + action + isPending/latest)	43.96 KB	0 B	0 B	0 B	43.97 KB	✅	eager (counted): web.js 23.44 KB; assets.js 0.78 KB, decode.js 7.09 KB, regions.js 1.07 KB, sc-comments.js 0.19 KB, trace.js 9.22 KB, wire.js 3.47 KB
page: base + router (base page + @solidjs/router: createRouter, two routes, preload, useNavigate)	41.44 KB	0 B	0 B	0 B	41.53 KB	✅	assets.js 0.78 KB, decode.js 7.09 KB, lazy-page.js 0.04 KB, regions.js 1.07 KB, server.js 1.03 KB, serverForms.js 3.58 KB, trace.js 9.20 KB, wire.js 3.48 KB
page: live + router (live page + @solidjs/router: createRouter, two routes, preload, useNavigate)	49.61 KB	0 B	0 B	0 B	49.63 KB	✅	eager (counted): client.js 28.59 KB; assets.js 0.78 KB, decode.js 7.09 KB, lazy-page.js 0.04 KB, regions.js 1.07 KB, server.js 1.03 KB, serverForms.js 3.30 KB, trace.js 9.22 KB, wire.js 3.49 KB
server: floor (getRequestEvent + isServer)	1.27 KB	0 B	0 B	0 B	1.29 KB	✅
server: renderToString (the server-render floor)	22.86 KB	0 B	0 B	0 B	22.87 KB	✅

_{Bundled with Rolldown (what Vite ships), brotli q11, decimal KB. A scenario fails only when it is over its brotli cap and its minified size is more than 20 B over the minified recorded with the cap; over the cap within that allowance is brotli layout noise and passes with a warning. Caps and their recorded minified in scripts/size/scenarios.js; the floor and page caps in floor-caps.json are frozen (lower only, or Size-Exception: in the PR body). npm run ratchet lowers caps per RC; it never raises one (scripts/size/README.md).}

[coveralls]

Coverage Report for CI Build 41591099415

Coverage remained the same at 78.205%

Details

• Coverage remained the same as the base build.
• Patch coverage: No coverable lines changed in this PR.
• No coverage regressions found.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

No coverage regressions found.

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Coverage Stats

Relevant Lines:	1369
Covered Lines:	1131
Line Coverage:	82.62%
Relevant Branches:	1104
Covered Branches:	803
Branch Coverage:	72.74%
Branches in Coverage %:	Yes
Coverage Strength:	30.07 hits per line

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💛 - Coveralls

[codspeed]

Merging this PR will improve performance by 5.73%

1 warning

⚠️ 3 benchmarks are dominated by system calls

System calls cannot be simulated consistently and are left out of the measure. The reported value understates the real cost. Switch to the Walltime instrument to measure them.

Learn more about system calls

See affected benchmarks

⚡ 2 improved benchmarks
✅ 198 untouched benchmarks
⏩ 5 skipped benchmarks¹

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	arrow in template	12.4 ms	11.6 ms	+6.43%
⚡	polymorphic-chain mount+clear 1000 rows: compiled	424.2 ms	403.8 ms	+5.05%

Tip

Curious why performance improved? Comment @codspeedbot explain why performance improved on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing claude/size-rerecord-4639-4641 (0ca1d1e) with next (6e569c7)}

Footnotes

1. 5 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. ↩