{
  "api": {
    "IDBVersionChangeEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBVersionChangeEvent",
        "support": {
          "chrome": [
            {
              "version_added": "24"
            },
            {
              "version_added": "12",
              "prefix": "webkit"
            }
          ],
          "chrome_android": {
            "version_added": true
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": [
            {
              "version_added": "16"
            },
            {
              "version_added": "10",
              "version_removed": "16",
              "prefix": "moz"
            }
          ],
          "firefox_android": {
            "version_added": "22"
          },
          "ie": {
            "version_added": "10",
            "partial_implementation": true
          },
          "opera": {
            "version_added": "15"
          },
          "opera_android": {
            "version_added": true
          },
          "safari": {
            "version_added": "7"
          },
          "safari_ios": {
            "version_added": true
          },
          "samsunginternet_android": {
            "version_added": true
          },
          "webview_android": {
            "version_added": true
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "newVersion": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBVersionChangeEvent/newVersion",
          "support": {
            "chrome": [
              {
                "version_added": "24"
              },
              {
                "version_added": "23",
                "version_removed": "57",
                "prefix": "webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": "25"
              },
              {
                "version_added": "25",
                "version_removed": "57",
                "prefix": "webkit"
              }
            ],
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "16"
              },
              {
                "version_added": "10",
                "version_removed": "16",
                "prefix": "moz"
              }
            ],
            "firefox_android": {
              "version_added": "22"
            },
            "ie": {
              "version_added": "10",
              "partial_implementation": true
            },
            "opera": {
              "version_added": "15"
            },
            "opera_android": {
              "version_added": "14"
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "8"
            },
            "samsunginternet_android": [
              {
                "version_added": "1.5"
              },
              {
                "version_removed": "7.0",
                "prefix": "webkit",
                "version_added": "1.5"
              }
            ],
            "webview_android": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "version_removed": "57",
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "oldVersion": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBVersionChangeEvent/oldVersion",
          "support": {
            "chrome": [
              {
                "version_added": "24"
              },
              {
                "version_added": "23",
                "version_removed": "57",
                "prefix": "webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": "25"
              },
              {
                "version_added": "25",
                "version_removed": "57",
                "prefix": "webkit"
              }
            ],
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "16"
              },
              {
                "version_added": "10",
                "version_removed": "16",
                "prefix": "moz"
              }
            ],
            "firefox_android": {
              "version_added": "22"
            },
            "ie": {
              "version_added": "10",
              "partial_implementation": true
            },
            "opera": {
              "version_added": "15"
            },
            "opera_android": {
              "version_added": "14"
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "8"
            },
            "samsunginternet_android": [
              {
                "version_added": "1.5"
              },
              {
                "version_removed": "7.0",
                "prefix": "webkit",
                "version_added": "1.5"
              }
            ],
            "webview_android": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "version_removed": "57",
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "version": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IDBVersionChangeEvent/version",
          "support": {
            "chrome": {
              "version_added": "12"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": [
              {
                "version_added": "16"
              },
              {
                "version_added": "10",
                "prefix": "moz"
              }
            ],
            "firefox_android": {
              "version_added": "22"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": "22"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "worker_support": {
        "__compat": {
          "description": "Available in workers",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": "37"
            },
            "firefox_android": {
              "version_added": "37"
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}