{
  "webextensions": {
    "api": {
      "runtime": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime",
          "support": {
            "chrome": {
              "version_added": "22"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "45"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "opera": "mirror",
            "safari": {
              "version_added": "14"
            },
            "safari_ios": {
              "version_added": "15"
            }
          }
        },
        "MessageSender": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/MessageSender",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45",
                "notes": "Before version 54, 'id' was the add-on's internal UUID, not the add-on ID."
              },
              "firefox_android": {
                "version_added": "48",
                "notes": "Before version 54, 'id' was the add-on's internal UUID, not the add-on ID."
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          },
          "documentId": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "106"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": false
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": "18.4"
                },
                "safari_ios": "mirror"
              }
            }
          },
          "documentLifecycle": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "106"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": false
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror"
              }
            }
          },
          "frameId": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "41"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": "mirror",
                "safari": {
                  "version_added": "14"
                },
                "safari_ios": {
                  "version_added": "15"
                }
              }
            }
          },
          "id": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "26"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": "mirror",
                "safari": {
                  "version_added": "14"
                },
                "safari_ios": {
                  "version_added": "15"
                }
              }
            }
          },
          "origin": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "80"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "126"
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": "14"
                },
                "safari_ios": {
                  "version_added": "15"
                }
              }
            }
          },
          "tab": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "26"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": "mirror",
                "safari": {
                  "version_added": "14"
                },
                "safari_ios": {
                  "version_added": "15"
                }
              }
            }
          },
          "tlsChannelId": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "32"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": false
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror"
              }
            }
          },
          "url": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "28"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": "mirror",
                "safari": {
                  "version_added": "14"
                },
                "safari_ios": {
                  "version_added": "15"
                }
              }
            }
          }
        },
        "OnInstalledReason": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/OnInstalledReason",
            "support": {
              "chrome": {
                "version_added": "≤58",
                "notes": "Uses 'chrome_update' instead of 'browser_update'."
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14",
                "notes": "Only supports 'install' and 'update'."
              },
              "safari_ios": {
                "version_added": "15",
                "notes": "Only supports 'install' and 'update'."
              }
            }
          }
        },
        "OnPerformanceWarningCategory": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/OnPerformanceWarningCategory",
            "support": {
              "chrome": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "124"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "OnPerformanceWarningSeverity": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/OnPerformanceWarningSeverity",
            "support": {
              "chrome": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "124"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "OnRestartRequiredReason": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/OnRestartRequiredReason",
            "support": {
              "chrome": {
                "version_added": "≤58"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "PlatformArch": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/PlatformArch",
            "support": {
              "chrome": {
                "version_added": "≤58"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "PlatformInfo": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/PlatformInfo",
            "support": {
              "chrome": {
                "version_added": "≤58"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          },
          "nacl_arch": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "28",
                  "notes": "This attribute is deprecated and is being removed from Google Chrome, following removal of Google Native Client."
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": false
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror"
              }
            }
          }
        },
        "PlatformNaclArch": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/PlatformNaclArch",
            "support": {
              "chrome": {
                "version_added": "28",
                "notes": "This enum is deprecated and is being removed from Google Chrome, following removal of Google Native Client."
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "PlatformOs": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/PlatformOs",
            "support": {
              "chrome": {
                "version_added": "≤58"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "Port": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/Port",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          },
          "error": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": false
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "52"
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": "18"
                },
                "safari_ios": "mirror"
              }
            }
          }
        },
        "RequestUpdateCheckStatus": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/RequestUpdateCheckStatus",
            "support": {
              "chrome": {
                "version_added": "≤58"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "connect": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/connect",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "connectNative": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/connectNative",
            "support": {
              "chrome": {
                "version_added": "29"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "50"
              },
              "firefox_android": {
                "version_added": false,
                "notes": "Only available to privileged extensions in [GeckoView](https://mozilla.github.io/geckoview/) 68 and later. See the [GeckoView Docs](https://firefox-source-docs.mozilla.org/mobile/android/geckoview/consumer/web-extensions.html) for additional details."
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14",
                "notes": "See the [Apple Developer Documentation](https://developer.apple.com/documentation/safariservices/safari_web_extensions/messaging_between_the_app_and_javascript_in_a_safari_web_extension) for additional details."
              },
              "safari_ios": {
                "version_added": "15",
                "notes": "See the [Apple Developer Documentation](https://developer.apple.com/documentation/safariservices/safari_web_extensions/messaging_between_the_app_and_javascript_in_a_safari_web_extension) for additional details."
              }
            }
          }
        },
        "getBackgroundPage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getBackgroundPage",
            "support": {
              "chrome": {
                "version_added": "22"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45",
                "notes": "If this is called from a page that is part of a private browsing window, such as a sidebar in a private window or a popup opened from a private window, then it will always return `null`."
              },
              "firefox_android": {
                "version_added": "48",
                "notes": "If this is called from a page that is part of a private browsing window, such as a sidebar in a private window or a popup opened from a private window, then it will always return `null`."
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "getBrowserInfo": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getBrowserInfo",
            "support": {
              "chrome": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "51"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false,
                "impl_url": "https://webkit.org/b/294455"
              },
              "safari_ios": "mirror"
            }
          }
        },
        "getContexts": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getContexts",
            "support": {
              "chrome": {
                "version_added": "116"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "127"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false,
                "impl_url": "https://webkit.org/b/294456"
              },
              "safari_ios": "mirror"
            }
          }
        },
        "getFrameId": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getFrameId",
            "support": {
              "chrome": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "96"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": "16"
              },
              "safari_ios": "mirror"
            }
          }
        },
        "getManifest": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getManifest",
            "support": {
              "chrome": {
                "version_added": "22"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45",
                "notes": "Returns null for missing values, and removes unsupported keys."
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "getPackageDirectoryEntry": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getPackageDirectoryEntry",
            "support": {
              "chrome": {
                "version_added": "29"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "getPlatformInfo": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getPlatformInfo",
            "support": {
              "chrome": {
                "version_added": "29"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "getURL": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getURL",
            "support": {
              "chrome": {
                "version_added": "22"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "getVersion": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/getVersion",
            "support": {
              "chrome": {
                "version_added": "143"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false,
                "impl_url": "https://bugzil.la/1992418"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": "26.2"
              },
              "safari_ios": "mirror"
            }
          }
        },
        "id": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/id",
            "support": {
              "chrome": {
                "version_added": "22"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "lastError": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/lastError",
            "support": {
              "chrome": {
                "version_added": "≤58",
                "notes": "`lastError` is not an `Error` object. Instead, it is a plain `Object` with the error text as the string value of the `message` property."
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "47"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14",
                "notes": "`lastError` is only set if a callback is used. `Promise` results that fail will be rejected with an `Error` object."
              },
              "safari_ios": {
                "version_added": "15",
                "notes": "`lastError` is only set if a callback is used. `Promise` results that fail will be rejected with an `Error` object."
              }
            }
          }
        },
        "onBrowserUpdateAvailable": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onBrowserUpdateAvailable",
            "support": {
              "chrome": {
                "version_added": "27"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onConnect": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onConnect",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "onConnectExternal": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onConnectExternal",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "54"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": "15.4",
                "notes": "Only fired in response to connect from webpages allowed in [`externally_connectable`](https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/externally_connectable)."
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onInstalled": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onInstalled",
            "support": {
              "chrome": {
                "version_added": "22"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "52",
                "notes": "Before version 55, this event is not triggered for temporarily installed add-ons."
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          },
          "details": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "22"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "52"
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": "14"
                },
                "safari_ios": {
                  "version_added": "15"
                }
              }
            },
            "id": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": "22"
                  },
                  "edge": "mirror",
                  "firefox": {
                    "version_added": false
                  },
                  "firefox_android": "mirror",
                  "opera": "mirror",
                  "safari": {
                    "version_added": "14"
                  },
                  "safari_ios": {
                    "version_added": "15"
                  }
                }
              }
            },
            "previousVersion": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": "22"
                  },
                  "edge": "mirror",
                  "firefox": {
                    "version_added": "55"
                  },
                  "firefox_android": "mirror",
                  "opera": "mirror",
                  "safari": {
                    "version_added": "14"
                  },
                  "safari_ios": {
                    "version_added": "15"
                  }
                }
              }
            },
            "reason": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": "22"
                  },
                  "edge": "mirror",
                  "firefox": {
                    "version_added": "52"
                  },
                  "firefox_android": "mirror",
                  "opera": "mirror",
                  "safari": {
                    "version_added": "14"
                  },
                  "safari_ios": {
                    "version_added": "15"
                  }
                }
              }
            },
            "temporary": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": false
                  },
                  "edge": "mirror",
                  "firefox": {
                    "version_added": "55"
                  },
                  "firefox_android": "mirror",
                  "opera": "mirror",
                  "safari": {
                    "version_added": false,
                    "impl_url": "https://webkit.org/b/294457"
                  },
                  "safari_ios": "mirror"
                }
              }
            }
          }
        },
        "onMessage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessage",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          },
          "return_promise": {
            "__compat": {
              "description": "Respond with `Promise`",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "≤62"
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": "15.4"
                },
                "safari_ios": "mirror"
              }
            }
          }
        },
        "onMessageExternal": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onMessageExternal",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "54"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": [
                {
                  "version_added": "15.4",
                  "partial_implementation": true,
                  "notes": "Also fired in response to a message from webpages allowed in [`externally_connectable`](https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/externally_connectable)."
                },
                {
                  "version_added": "14",
                  "version_removed": "15.4",
                  "partial_implementation": true,
                  "notes": "Only fired in response to a message from an extension's containing app, not webpages and other extensions."
                }
              ],
              "safari_ios": [
                {
                  "version_added": "15.4",
                  "partial_implementation": true,
                  "notes": "Also fired in response to a message from webpages allowed in [`externally_connectable`](https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/externally_connectable)."
                },
                {
                  "version_added": "15",
                  "version_removed": "15.4",
                  "partial_implementation": true,
                  "notes": "Only fired in response to a message from an extension's containing app, not webpages and other extensions."
                }
              ]
            }
          },
          "return_promise": {
            "__compat": {
              "description": "Respond with `Promise`",
              "support": {
                "chrome": {
                  "version_added": false
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "≤62"
                },
                "firefox_android": "mirror",
                "opera": "mirror",
                "safari": {
                  "version_added": "15.4"
                },
                "safari_ios": "mirror"
              }
            }
          }
        },
        "onPerformanceWarning": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onPerformanceWarning",
            "support": {
              "chrome": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "124"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onRestartRequired": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onRestartRequired",
            "support": {
              "chrome": {
                "version_added": "29"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onStartup": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onStartup",
            "support": {
              "chrome": {
                "version_added": "23"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "52"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "onSuspend": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onSuspend",
            "support": {
              "chrome": {
                "version_added": "22"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "100",
                "notes": "This event does not fire until Firefox 106, when event pages are available."
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false,
                "impl_url": "https://webkit.org/b/294458"
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onSuspendCanceled": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onSuspendCanceled",
            "support": {
              "chrome": {
                "version_added": "22"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "100",
                "notes": "This event does not fire until Firefox 106, when event pages are available."
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false,
                "impl_url": "https://webkit.org/b/294458"
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onUpdateAvailable": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onUpdateAvailable",
            "support": {
              "chrome": {
                "version_added": "25"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "51"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onUserScriptConnect": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onUserScriptConnect",
            "support": {
              "chrome": {
                "version_added": "120",
                "notes": [
                  "Available for use with Manifest V3 only.",
                  "Always available, even if the extension has no way of firing the event."
                ]
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "136",
                "notes": [
                  "Available for use with Manifest V3 only.",
                  "Requires the [`userScripts` permission](https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/userScripts#permissions)."
                ]
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "onUserScriptMessage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/onUserScriptMessage",
            "support": {
              "chrome": {
                "version_added": "120",
                "notes": [
                  "Available for use with Manifest V3 only.",
                  "Always available, even if the extension has no way of firing the event."
                ]
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "136",
                "notes": [
                  "Available for use with Manifest V3 only.",
                  "Requires the [`userScripts` permission](https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/userScripts#permissions)."
                ]
              },
              "firefox_android": {
                "version_added": false
              },
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "openOptionsPage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/openOptionsPage",
            "support": {
              "chrome": {
                "version_added": "42"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "57"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "reload": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/reload",
            "support": {
              "chrome": {
                "version_added": "25"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "51"
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          }
        },
        "requestUpdateCheck": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/requestUpdateCheck",
            "support": {
              "chrome": {
                "version_added": "25"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "opera": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror"
            }
          }
        },
        "sendMessage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendMessage",
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "45"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": {
                "version_added": "15"
              }
            }
          },
          "options": {
            "__compat": {
              "support": {
                "chrome": {
                  "version_added": "32"
                },
                "edge": "mirror",
                "firefox": {
                  "version_added": "45"
                },
                "firefox_android": {
                  "version_added": "48"
                },
                "opera": "mirror",
                "safari": {
                  "version_added": false
                },
                "safari_ios": "mirror"
              }
            },
            "includeTlsChannelId": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": "32"
                  },
                  "edge": "mirror",
                  "firefox": {
                    "version_added": "45"
                  },
                  "firefox_android": {
                    "version_added": "48"
                  },
                  "opera": "mirror",
                  "safari": {
                    "version_added": false
                  },
                  "safari_ios": "mirror"
                }
              }
            }
          }
        },
        "sendNativeMessage": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/sendNativeMessage",
            "support": {
              "chrome": {
                "version_added": "29"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "50"
              },
              "firefox_android": {
                "version_added": false,
                "notes": "Only available to privileged extensions in [GeckoView](https://mozilla.github.io/geckoview/) 68 and later. See the [GeckoView Docs](https://firefox-source-docs.mozilla.org/mobile/android/geckoview/consumer/web-extensions.html) for additional details."
              },
              "opera": "mirror",
              "safari": {
                "version_added": "14",
                "notes": "See the [Apple Developer Documentation](https://developer.apple.com/documentation/safariservices/safari_web_extensions/messaging_between_the_app_and_javascript_in_a_safari_web_extension) for additional details."
              },
              "safari_ios": {
                "version_added": "15",
                "notes": "See the [Apple Developer Documentation](https://developer.apple.com/documentation/safariservices/safari_web_extensions/messaging_between_the_app_and_javascript_in_a_safari_web_extension) for additional details."
              }
            }
          }
        },
        "setUninstallURL": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/runtime/setUninstallURL",
            "support": {
              "chrome": [
                {
                  "version_added": "115",
                  "notes": "The maximum length is 1023 characters."
                },
                {
                  "version_added": "41",
                  "version_removed": "115",
                  "notes": "The maximum length is 255 characters."
                }
              ],
              "edge": "mirror",
              "firefox": [
                {
                  "version_added": "116",
                  "notes": "The maximum length is 1023 characters."
                },
                {
                  "version_added": "47",
                  "version_removed": "116",
                  "notes": "The maximum length is 255 characters."
                }
              ],
              "firefox_android": [
                {
                  "version_added": "116",
                  "notes": "The maximum length is 1023 characters."
                },
                {
                  "version_added": "48",
                  "version_removed": "116",
                  "notes": "The maximum length is 255 characters."
                }
              ],
              "opera": "mirror",
              "safari": {
                "version_added": "14",
                "partial_implementation": true,
                "notes": "API exists, but has no effect."
              },
              "safari_ios": {
                "version_added": "15",
                "partial_implementation": true,
                "notes": "API exists, but has no effect."
              }
            }
          }
        }
      }
    }
  }
}