{
  "api": {
    "PushManager": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager",
        "support": {
          "chrome": {
            "version_added": "42"
          },
          "chrome_android": {
            "version_added": "42"
          },
          "edge": [
            {
              "version_added": "16",
              "flags": [
                {
                  "type": "preference",
                  "name": "Enable service workers"
                }
              ]
            },
            {
              "version_added": "17"
            }
          ],
          "firefox": {
            "version_added": "44",
            "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
          },
          "firefox_android": {
            "version_added": "48",
            "notes": "Push enabled by default."
          },
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": "29"
          },
          "opera_android": {
            "version_added": "29"
          },
          "safari": {
            "version_added": false
          },
          "safari_ios": {
            "version_added": false
          },
          "samsunginternet_android": {
            "version_added": "4.0"
          },
          "webview_android": {
            "version_added": false
          }
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "getSubscription": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/getSubscription",
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": "29"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hasPermission": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/hasPermission",
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": "29"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "permissionState": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/permissionState",
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": "29"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "register": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/register",
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": "29"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "registrations": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/registrations",
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": "29"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "subscribe": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/subscribe",
          "support": {
            "chrome": {
              "version_added": "42",
              "notes": "The <code>options</code> parameter with a <code>applicationServerKey</code> value is required."
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": [
                "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API.",
                "From Firefox 72 onwards, can only be called in response to a user gesture such as a <code>click</code> event."
              ]
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": "29"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "supportedContentEncodings": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/supportedContentEncodings",
          "support": {
            "chrome": {
              "version_added": "60"
            },
            "chrome_android": {
              "version_added": "60"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "47"
            },
            "opera_android": {
              "version_added": "44"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "unregister": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PushManager/unregister",
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": [
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              },
              {
                "version_added": "17"
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "Push enabled by default."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": "29"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}