{
  "slug": "vercel-upgrade-command-supports-package-manager-aware-upgrades-334a95760456",
  "title": "vercel upgrade command supports package manager aware upgrades",
  "tools": [
    "vercel"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-01-12T21:04:04.000Z",
  "announced_at": "2026-01-12T21:04:04.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When upgrading Vercel CLI and you need to inspect the package-manager command first, run `vercel upgrade --dry-run`; review the proposed command, then run `vercel upgrade` to apply it. Use `--json` instead of `--dry-run` for machine-readable upgrade information; it also implies dry-run behavior.",
    "examples": [
      "vercel upgrade --dry-run",
      "vercel upgrade",
      "vercel upgrade --json"
    ],
    "gotchas": [
      "Version: 50.3.0",
      "--dry-run: Show the upgrade command without executing it.",
      "--json: Output upgrade information as JSON; implies `--dry-run`.",
      "Prerequisite: Vercel CLI must be installed so `vercel upgrade` is available.",
      "The update prompt is interactive-terminal-only."
    ]
  },
  "why_it_matters": "Upgrade the Vercel CLI while checking the proposed package manager operation before applying it.",
  "sources": [
    "https://github.com/vercel/vercel/releases/tag/vercel%4050.3.0",
    "https://github.com/vercel/vercel/pull/14584",
    "https://github.com/vercel/vercel/blob/vercel%4050.3.0/packages/cli/src/commands/upgrade/command.ts",
    "https://vercel.com/docs/cli"
  ],
  "rank": 0.98027,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v2+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "backfill-20261007",
    "verdict_id": "backfill-20261007:backfill-20261007-5ec142077af04224-0:gate",
    "evidence_hash": "d6828e13eed09f516ec0c4fd78bf67dcaf25d3ef6f6fe2eb112e20e00df50531"
  },
  "review": {
    "draft_hash": "93d1e9e184de1e1ff6a550442c714e45b02d6f12d22928218325c0ed1178b4a7",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "backfill-20261007:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.98 >= 0.9; 2 needed) and Jev gave 0.63 (>= 0.6 needed)."
  }
}
