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Fully rolled outcreated 28d ago

acme-androidv8.39.31f7e2c8

Labeled: minor regressionVideo buffer stalls increased for Android 12 cohort for ~24h; hang rate +22%.
Risk score56medium
heuristic v1 · 0 PRs analyzed
Why this score

Top factors that pushed this release toward medium. Each weight comes from the versioned heuristic config; the model is fully explainable.

  • Max subsystem volatility+14·0.78 (feed)
  • Lines of code changed+12·2400
  • Subsystems touched+12·4
  • Risky-PR flags+10·4
  • Historical similarity+9·2 similar regressions
  • PR count in release+8·6
  • Hang rate regression+5·+22% hangs
  • CI flakiness (7d)+4·3.2%
  • Cold start regression+4·+6% P90
  • OOM rate regression+4·+11% OOMs
  • Battery drain regression+3·+5% drain
  • Data usage regression+3·no delta
  • Memory leak indicator+3·+8% growth/min
Crash-free rate

15-min buckets · baseline = trailing 7d of prior stable release

Open monitor
ANR-free rate
Performance & memory

Current vs trailing 7d of the prior stable release. Sourced from Firebase Performance, Play Console Vitals, and iOS MetricKit.

Cold start P90+1.7%
651msvs 640ms
Hang rate+5.0%
0.38%vs 0.36%
Battery drain+1.7%
83 mWh/hvs 82 mWh/h
Data / session+1.0%
2.63 MBvs 2.60 MB
OOM rate+10.5%
0.104%vs 0.094%
Memory growth+0.7%
0.42 MB/minvs 0.42 MB/min