docs/source/_static/old_versions.json

[
  {
    "name": "55.1.0",
    "url": "/versions/55.1.0/",
    "version": "55.1.0"
  },
  {
    "name": "55.0.0",
    "url": "/versions/55.0.0/",
    "version": "55.0.0"
  }
]