{
 "schema": "causari.repo_survival.v1",
 "repo": "vercel/next.js",
 "repository_url": "https://github.com/vercel/next.js",
 "url": "https://causari.dev/r/vercel/next.js/",
 "badge": "https://causari.dev/r/vercel/next.js/badge.svg",
 "report": {
  "number": 5,
  "id": "2026/05",
  "date": "2026-10-12",
  "url": "https://causari.dev/reports/survival/2026/05/"
 },
 "method": "v4",
 "tool": {
  "name": "causari",
  "version": "0.4.1"
 },
 "verified": {
  "commits": 257,
  "introduced": 67391,
  "surviving": 52325,
  "survival_rate": 0.7764389903696339,
  "capped_survival_rate": 0.7536090656377703,
  "median_survival": 0.8214285714285714,
  "largest_commit_share": 0.06917837693460552
 },
 "interval_95": null,
 "baseline": {
  "untagged": {
   "commits": 35706,
   "introduced": 12996756,
   "surviving": 2833393,
   "survival_rate": 0.21800770900061522,
   "median_survival": 0.13043478260869565,
   "capped_survival_rate": 0.40866635217731184,
   "cap_lines": 580,
   "largest_commit_share": 0.03836942080008273
  },
  "by_age": [
   {
    "from_days": 0,
    "to_days": 30,
    "tagged": {
     "commits": 37,
     "introduced": 11124,
     "surviving": 9957,
     "survival_rate": 0.895091693635383
    },
    "untagged": {
     "commits": 520,
     "introduced": 158161,
     "surviving": 129682,
     "survival_rate": 0.8199366468345547
    }
   },
   {
    "from_days": 30,
    "to_days": 90,
    "tagged": {
     "commits": 48,
     "introduced": 20235,
     "surviving": 17801,
     "survival_rate": 0.8797133679268594
    },
    "untagged": {
     "commits": 860,
     "introduced": 241896,
     "surviving": 170827,
     "survival_rate": 0.7062001852035585
    }
   },
   {
    "from_days": 90,
    "to_days": 180,
    "tagged": {
     "commits": 46,
     "introduced": 17345,
     "surviving": 11887,
     "survival_rate": 0.6853271836264053
    },
    "untagged": {
     "commits": 982,
     "introduced": 259238,
     "surviving": 157183,
     "survival_rate": 0.6063270045286571
    }
   },
   {
    "from_days": 180,
    "to_days": 365,
    "tagged": {
     "commits": 121,
     "introduced": 18201,
     "surviving": 12319,
     "survival_rate": 0.6768309433547607
    },
    "untagged": {
     "commits": 2366,
     "introduced": 573184,
     "surviving": 295405,
     "survival_rate": 0.5153755164135775
    }
   },
   {
    "from_days": 365,
    "to_days": 730,
    "tagged": {
     "commits": 5,
     "introduced": 486,
     "surviving": 361,
     "survival_rate": 0.742798353909465
    },
    "untagged": {
     "commits": 6058,
     "introduced": 1738892,
     "surviving": 717534,
     "survival_rate": 0.41263862275517976
    }
   },
   {
    "from_days": 730,
    "to_days": null,
    "tagged": {
     "commits": 0,
     "introduced": 0,
     "surviving": 0,
     "survival_rate": null
    },
    "untagged": {
     "commits": 24920,
     "introduced": 10025385,
     "surviving": 1362762,
     "survival_rate": 0.13593113880414567
    }
   }
  ],
  "age_matched": {
   "tagged_rate": 0.7764389903696339,
   "untagged_rate": 0.6456139550597807,
   "gap": 0.13082503530985323,
   "buckets_used": 5,
   "tagged_lines_covered": 1.0
  },
  "oldest_surviving": {
   "date": "2016-10-05",
   "age_days": 3658,
   "commits_before": 0,
   "introduced_before": 0,
   "tagged_commits_before": 0,
   "tagged_introduced_before": 0,
   "commits_before_share": 0.0
  }
 },
 "probable_commits": 4,
 "total_commits": 35967,
 "aggregated": true,
 "coverage": {
  "method": "v4",
  "blame_flags": [
   "-w",
   "-M",
   "-C"
  ],
  "ignore_revs_file": true,
  "shallow": false,
  "sample_floor": 5,
  "small_sample": false
 },
 "reports": 4,
 "reproduce": "re audit vercel/next.js --json",
 "bytes": "https://causari.dev/reports/survival/2026/05/repos/vercel__next.js.json",
 "license": "CC-BY-4.0"
}