[nulltask]

Summary

• @be-music/worker-play 0.1.3: /__url-load-proxy answers no-cache and passes ETag / Last-Modified and If-None-Match / If-Modified-Since through, so an unchanged embed ?track= or player ?music= archive from another origin comes back as a 304 instead of downloading again (Cache proxied embed tracks until the archive changes #873).
• Test-only: the embed play-mode spec's Pause locator is scoped to the controls bar (Fix the embed play-mode e2e spec's ambiguous Pause locator #869).

🤖 Generated with Claude Code

[nulltask]

Closing: this release will go out together with the embed AUTO checkbox.

[github-actions]

Exports Benchmark

🔴 2 regressions · 2 improvements · 12 within noise · 879 compared

_{46764827 → 188f6456 · 3 runs base / 3 runs head · a regression or improvement is a change past ±8% whose runs do not overlap · times are per call (median)}

Regressions (2)

API	Base	Head	Change	Run spread (base / head)
skin-beatoraja.scene.createBeatorajaJudgeStateGraph	2.36 µs	5.00 µs	112.0% slower	±31.5% / ±11.2%
chart-writer.stringifyBMS	41.6 µs	50.3 µs	20.8% slower	±1.6% / ±8.9%

Improvements (2)

API	Base	Head	Change	Run spread (base / head)
chart-editor.addNote	6.78 µs	5.39 µs	20.5% faster	±0.9% / ±8.5%
skin-lr2.state.resolveLR2CourseStageDifficultyOps	149 ns	127 ns	15.3% faster	±12.5% / ±0.2%

Within noise (12): past the threshold, but the runs overlap

API	Base	Head	Change	Run spread (base / head)
player-browser.setMasterVolume	637 µs	482 µs	24.4% faster	±42.3% / ±7.0%
chart-model.getPlayModeLayouts	11.0 ns	15.5 ns	41.3% slower	±13.1% / ±37.5%
chart-editor.listNotes	4.16 µs	5.68 µs	36.5% slower	±0.5% / ±19.0%
chart-parser.resolveBMSControlFlowWithDraws	6.82 µs	5.45 µs	20.1% faster	±1.2% / ±14.0%
chart-editor.setMetadata	5.07 µs	6.33 µs	24.9% slower	±9.6% / ±20.0%
skin-beatoraja.scene.resolveBeatorajaFrameTimers	68.7 ns	84.5 ns	22.9% slower	±14.7% / ±6.2%
player-browser.createDecideScene	275 µs	313 µs	13.8% slower	±6.4% / ±3.8%
skin-beatoraja.normalizeBeatorajaJudgeGraphs	66.4 ns	74.7 ns	12.4% slower	±6.3% / ±7.0%
player-engine.replay.resolveRulesetResultLamp	41.0 ns	46.1 ns	12.4% slower	±6.0% / ±7.0%
player-browser.ChartPreviewEngine	218 ns	241 ns	10.6% slower	±33.4% / ±5.4%
player-engine.createTempoClock	741 ns	813 ns	9.7% slower	±5.3% / ±14.3%
player-browser.BrowserChartCollectionStore	319 µs	294 µs	8.0% faster	±3.8% / ±7.2%

I/O-bound, not judged (19)

These cases touch the filesystem, so their time follows the OS cache and the disk more than the code.

API	Base	Head	Change	Run spread (base / head)
chart-audio-renderer.renderChartFile	6.17 ms	6.18 ms	0.2% slower	±6.2% / ±4.6%
chart-audio-renderer.renderJSON	3.88 ms	3.77 ms	2.9% faster	±4.1% / ±3.5%
chart-audio-renderer.renderSingleSample	8.14 µs	8.05 µs	1.2% faster	±0.6% / ±1.5%
chart-audio-renderer.writeAudioFile	201 µs	168 µs	16.4% faster	±14.3% / ±9.2%
chart-editor.exportChart	201 µs	233 µs	15.6% slower	±14.3% / ±7.8%
chart-editor.importChart	115 µs	126 µs	9.9% slower	±9.0% / ±4.8%
chart-editor.loadJSONFile	147 µs	146 µs	0.5% faster	±3.1% / ±1.5%
chart-editor.saveJSONFile	203 µs	253 µs	24.9% slower	±7.9% / ±24.2%
chart-parser.parseChartFile	131 µs	125 µs	5.0% faster	±4.2% / ±4.5%
player-browser.readFilesIntoBytesMap	4.71 µs	4.58 µs	2.8% faster	±2.1% / ±0.4%
player-terminal.createBgaANSIRenderer	3.37 µs	3.37 µs	±0.0%	±2.5% / ±0.4%
player-terminal.loadStageFileANSIImage	101 ns	101 ns	0.1% slower	±0.6% / ±0.6%
player-terminal.loadStageFileANSILines	165 ns	164 ns	0.9% faster	±0.4% / ±1.2%
player-terminal.loadTerminalANSIImage	1.03 ms	1.02 ms	0.8% faster	±0.9% / ±2.2%
shared-utils.createFileLogger	203 µs	205 µs	0.9% slower	±0.7% / ±1.9%
shared-utils.readFilesIntoEntryMap	2.35 µs	2.30 µs	2.0% faster	±1.2% / ±0.0%
shared-utils.resolveFirstExistingPath	85.6 µs	89.9 µs	5.1% slower	±2.3% / ±0.4%
shared-utils.workerize.workerize	10.9 ms	11.3 ms	3.0% slower	±1.7% / ±3.0%
skin-beatoraja.readFilesIntoBytesMap	19.1 µs	19.0 µs	0.7% faster	±0.9% / ±1.2%

Excluded: too fast to time (83)

A timed sample lasted 1 µs or less on at least one side (usually a base commit from before calls were batched), so its time is timer noise and no change is shown.

API	Base	Head
chart-model.createMeasureBoundariesBeats	72.0 ns	72.0 ns
chart-model.mirrorBeatAtTempoReversal	6.22 ns	6.35 ns
chart-model.parseBmsARGB	272 ns	264 ns
chart-model.parseBMSExBMP	608 ns	608 ns
chart-model.resolveChartMainBPM	109 ns	107 ns
chart-source.parseBmsonSubartist	61.3 ns	61.1 ns
player-browser.applyBeatorajaStretchRect	31.3 ns	32.0 ns
player-browser.checkBrowserCompat	170 ns	170 ns
player-browser.createDrawnRandomMixEntry	16.8 ns	19.3 ns
player-browser.createNewCourseEntry	13.3 ns	9.90 ns
player-browser.createRandomMixEntry	13.7 ns	13.3 ns
player-browser.destinationToSpriteProps	86.4 ns	87.2 ns

…and 71 more.

Run details

Measure	Value
Median change (all compared cases)	-0.19%
Mean change	-0.52%
Overall verdict (median vs. threshold)	unchanged
Compared / within noise / I/O-bound / unchanged	879 / 12 / 19 / 844
Benchmarked / skipped (head)	962 / 38
Time / warmup per case	50 ms / 25 ms
Node / platform	v26.12.1 / linux