6000.3.17f1
LTS · Released Jun 4, 2026 · Changeset cf0352b38e81 · 0 release notes
65build scorehigher = better
050100
Upgrade risk+27Net cleanup+25Live debt+13
cohort: LTS (308)
How this number is computed
Composite = sum of sub_score × weight across six metrics. Sub-scores are percentile-rank(log1p(min(raw, p95))) within the LTS cohort (308 releases). Sub-scores for lower-is-better metrics are flipped to 100 − percentile.
| Sub-score | Formula | Raw | Clip | %ile | Weight | Score | Contrib |
|---|---|---|---|---|---|---|---|
| Breaking surface | (breaking_change + api_change) / total_notes | 0 | 0 | 30 | 25% | 70 | 17.5 |
| Blocker rate | blockers / total_notes | 0.074 | 0.074 | 81 | 15% | 19 | 2.8 |
| Mobile risk | mobile_known_issues / total_notes | 0.011 | 0.011 | 35 | 10% | 65 | 6.5 |
| Fix density | fixes / total_notes | 0.787 | 0.787 | 93 | 15% | 93 | 14.0 |
| Net-fix delta | ((fixes − known_issues) − prior.(fixes − known_issues)) / total_notes | 0.266 | 0.266 | 76 | 15% | 76 | 11.4 |
| Known-issue debt | known_issues / total_notes | 0.117 | 0.117 | 38 | 20% | 63 | 12.5 |
| Composite | 65 | ||||||
* = raw value was clipped at the cohort 95th percentile to prevent outliers from compressing everyone else's scores. Sub-scores marked "med" substitute the cohort median where the input was missing (e.g. first patch on a minor line has no prior patch for net-fix delta).