{
  "updated": "2026-09-25",
  "source": "https://sfupdates.com/release-dates/",
  "releases": [
    {
      "release": "Winter '27",
      "status": "rolling out",
      "notes_url": "https://sfupdates.com/category/winter-27/",
      "milestones": [
        {
          "label": "Release notes published",
          "date": "2026-08-19",
          "estimated": false
        },
        {
          "label": "Sandbox preview",
          "date": "2026-08-29",
          "estimated": false
        },
        {
          "label": "Production weekend 1",
          "date": "2026-08-29",
          "estimated": false
        },
        {
          "label": "Production weekend 2",
          "date": "2026-10-03",
          "estimated": false
        },
        {
          "label": "Production weekend 3",
          "date": "2026-10-10",
          "estimated": false
        }
      ]
    },
    {
      "release": "Spring '27",
      "status": "planned",
      "notes_url": "https://sfupdates.com/releases/",
      "milestones": [
        {
          "label": "Sandbox preview",
          "date": "2027-01-09",
          "estimated": false
        },
        {
          "label": "Production weekend 1",
          "date": "2027-01-16",
          "estimated": false
        },
        {
          "label": "Production weekend 2",
          "date": "2027-02-06",
          "estimated": false
        },
        {
          "label": "Production weekend 3",
          "date": "2027-02-20",
          "estimated": false
        }
      ]
    },
    {
      "release": "Summer '27",
      "status": "planned",
      "notes_url": "https://sfupdates.com/releases/",
      "milestones": [
        {
          "label": "Sandbox preview",
          "date": "2027-05-07",
          "estimated": true
        },
        {
          "label": "Production weekend 1",
          "date": "2027-05-15",
          "estimated": true
        },
        {
          "label": "Production weekend 2",
          "date": "2027-06-05",
          "estimated": true
        },
        {
          "label": "Production weekend 3",
          "date": "2027-06-12",
          "estimated": true
        }
      ]
    }
  ]
}