{
 "metric": "pkg-maintenance",
 "segment": "download_tier-top100m",
 "anchor": "package",
 "label": "top100m+ (packages)",
 "population": "packages in top100m+",
 "states": [
  "active",
  "stale",
  "abandoned"
 ],
 "quiet_failure_states": [
  "abandoned"
 ],
 "measurement": "Bulk registry metadata; last release date. `active` < 365 days, `stale` < 730, **`abandoned`** ≥ 730.",
 "why_it_matters": "A widely-depended-on package with no release in two years is installed everywhere and maintained by nobody — no security fixes are coming, and the dependency graph gives no warning. Being unmaintained is invisible at install time.",
 "limits": "A mature, complete library can be legitimately quiet; release cadence is a proxy for maintenance, not proof of abandonment.",
 "data_tier": "package",
 "population_predicate": "any",
 "entity_type": "package",
 "kind": "failure",
 "latest": {
  "day": "2026-08-09",
  "n": 727,
  "qf_pct": 21.46,
  "ci": [
   18.63,
   24.59
  ],
  "dist": {
   "abandoned": 21.46,
   "stale": 10.32,
   "active": 68.23
  },
  "snapshot": "packages-top400"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 722,
   "qf_pct": 21.47,
   "ci": [
    18.63,
    24.61
   ],
   "dist": {
    "active": 68.56,
    "stale": 9.97,
    "abandoned": 21.47
   },
   "snapshot": "packages-top400"
  },
  {
   "day": "2026-08-02",
   "n": 723,
   "qf_pct": 21.3,
   "ci": [
    18.47,
    24.43
   ],
   "dist": {
    "abandoned": 21.3,
    "stale": 10.1,
    "active": 68.6
   },
   "snapshot": "packages-top400"
  },
  {
   "day": "2026-08-04",
   "n": 722,
   "qf_pct": 21.47,
   "ci": [
    18.63,
    24.61
   ],
   "dist": {
    "active": 68.28,
    "stale": 10.25,
    "abandoned": 21.47
   },
   "snapshot": "packages-top400"
  },
  {
   "day": "2026-08-05",
   "n": 722,
   "qf_pct": 21.33,
   "ci": [
    18.5,
    24.47
   ],
   "dist": {
    "abandoned": 21.33,
    "stale": 10.25,
    "active": 68.42
   },
   "snapshot": "packages-top400"
  },
  {
   "day": "2026-08-09",
   "n": 727,
   "qf_pct": 21.46,
   "ci": [
    18.63,
    24.59
   ],
   "dist": {
    "abandoned": 21.46,
    "stale": 10.32,
    "active": 68.23
   },
   "snapshot": "packages-top400"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/pkg-maintenance/download_tier-top100m"
}