{
  "update": [
    {
      "version": "2017-12-25",
      "level": 1,
      "title": "Update at 2017-12-25",
      "details": [
        "Fix some issues under IE/Edge",
        "Add backend error reporter",
        "New email template",
        "A more flexible throttling function",
        "Other bugs and enhancements"
      ]
    }
  ]
}