{
  "api": {
    "Navigator": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator",
        "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#the-navigator-object",
        "tags": [
          "web-features:navigator"
        ],
        "support": {
          "bun": {
            "version_added": "1.0.0"
          },
          "chrome": {
            "version_added": "1"
          },
          "chrome_android": "mirror",
          "deno": {
            "version_added": "1.8"
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "1"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "4"
          },
          "nodejs": {
            "version_added": "21.0.0"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "3"
          },
          "opera_android": {
            "version_added": "10.1"
          },
          "safari": {
            "version_added": "1"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "activeVRDisplays": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/activeVRDisplays",
          "tags": [
            "web-features:webvr"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": "79",
              "version_removed": "80",
              "notes": "Supported only by Google Daydream."
            },
            "edge": {
              "version_added": "15",
              "version_removed": "79",
              "notes": "WebVR content requires a Windows Mixed Reality headset or the Windows Mixed Reality Portal Simulator."
            },
            "firefox": [
              {
                "version_added": "98",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.vr.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "64",
                "version_removed": "98",
                "notes": "Only on macOS and Windows."
              },
              {
                "version_added": "55",
                "version_removed": "64",
                "notes": "Only on Windows."
              }
            ],
            "firefox_android": {
              "version_added": "55",
              "version_removed": "98"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:webvr"
            ],
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": "79",
                "version_removed": "80"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "73"
              },
              "firefox_android": {
                "version_added": false
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        }
      },
      "adAuctionComponents": {
        "__compat": {
          "spec_url": "https://wicg.github.io/fenced-frame/#dom-navigator-adauctioncomponents",
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "appCodeName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/appCodeName",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-appcodename-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "appName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/appName",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-appname-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "appVersion": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/appVersion",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-appversion-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "audioSession": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/audioSession",
          "spec_url": "https://w3c.github.io/audio-session/#dom-navigator-audiosession",
          "tags": [
            "web-features:audio-session"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false,
              "impl_url": "https://bugzil.la/1921506"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "authentication": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "67",
              "flags": [
                {
                  "name": "WebAuth",
                  "type": "preference"
                }
              ]
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "bluetooth": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/bluetooth",
          "spec_url": "https://webbluetoothcg.github.io/web-bluetooth/#dom-navigator-bluetooth",
          "tags": [
            "web-features:web-bluetooth"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "70",
                "partial_implementation": true,
                "notes": "Linux support is not enabled by default."
              },
              {
                "version_added": "56",
                "version_removed": "70",
                "partial_implementation": true,
                "notes": "Only supported on macOS."
              }
            ],
            "chrome_android": {
              "version_added": "56"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false,
              "impl_url": "https://bugzil.la/674737"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false,
              "impl_url": "https://webkit.org/b/101034"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40703318"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "buildID": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/buildID",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "2",
              "notes": "Since Firefox 64, this property returns a fixed timestamp as a privacy measure - `20181001000000`."
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "canLoadAdAuctionFencedFrame": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "canShare": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/canShare",
          "spec_url": "https://w3c.github.io/web-share/#canshare-data-method",
          "tags": [
            "web-features:share"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "128"
              },
              {
                "version_added": "89",
                "version_removed": "128",
                "partial_implementation": true,
                "notes": "Only supported on ChromeOS and Windows, see [bug 40542648](https://crbug.com/40542648) and [bug 40729163](https://crbug.com/40729163)."
              }
            ],
            "chrome_android": {
              "version_added": "75"
            },
            "edge": [
              {
                "version_added": "93"
              },
              {
                "version_added": "81",
                "version_removed": "93",
                "partial_implementation": true,
                "notes": "Only supported on Windows."
              }
            ],
            "firefox": {
              "version_added": "96",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.webshare.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": "96"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "14"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40540400"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "data_files_parameter": {
          "__compat": {
            "description": "`data.files` parameter",
            "spec_url": "https://w3c.github.io/web-share/#dom-sharedata-files",
            "tags": [
              "web-features:share"
            ],
            "support": {
              "chrome": {
                "version_added": "89"
              },
              "chrome_android": {
                "version_added": "76"
              },
              "edge": {
                "version_added": "81"
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": {
                "version_added": "11.0"
              },
              "webview_android": {
                "version_added": false
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "data_text_parameter": {
          "__compat": {
            "description": "`data.text` parameter",
            "spec_url": "https://w3c.github.io/web-share/#dom-sharedata-text",
            "tags": [
              "web-features:share"
            ],
            "support": {
              "chrome": {
                "version_added": "89"
              },
              "chrome_android": {
                "version_added": "76"
              },
              "edge": {
                "version_added": "81"
              },
              "firefox": {
                "version_added": "96",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webshare.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              "firefox_android": {
                "version_added": "96"
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": {
                "version_added": "11.0"
              },
              "webview_android": {
                "version_added": false
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "clearAppBadge": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/clearAppBadge",
          "spec_url": "https://w3c.github.io/badging/#clearappbadge-method",
          "tags": [
            "web-features:badging"
          ],
          "support": {
            "chrome": {
              "version_added": "81",
              "notes": [
                "Windows and macOS since Chrome 81.",
                "ChromeOS since Chrome 91.",
                "Linux offers no universal badging API on the operating system level."
              ]
            },
            "chrome_android": {
              "version_added": "81"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": false
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "17",
              "notes": "Badging is supported for installed web apps on macOS Sonoma and higher."
            },
            "safari_ios": {
              "version_added": "16.4",
              "notes": "Badging is supported for web apps saved to the home screen."
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false,
              "notes": "Badging is supported for web apps saved to the home screen."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "clearOriginJoinedAdInterestGroups": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "clipboard": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/clipboard",
          "spec_url": "https://w3c.github.io/clipboard-apis/#navigator-clipboard",
          "tags": [
            "web-features:async-clipboard"
          ],
          "support": {
            "chrome": {
              "version_added": "66"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "63"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "13.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "connection": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/connection",
          "spec_url": "https://wicg.github.io/netinfo/#connection-attribute",
          "tags": [
            "web-features:network-information"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": {
              "version_added": "38"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "31",
              "version_removed": "32"
            },
            "firefox_android": {
              "version_added": "14",
              "version_removed": "99"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": "37"
            },
            "safari": {
              "version_added": false,
              "impl_url": "https://webkit.org/b/185697"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "50"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "contacts": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/contacts",
          "spec_url": "https://w3c.github.io/contact-picker/#dom-navigator-contacts",
          "tags": [
            "web-features:contact-picker"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": "80"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false,
              "impl_url": "https://bugzil.la/1756767"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": "14.5",
              "flags": [
                {
                  "name": "Contact Picker API",
                  "type": "preference"
                }
              ]
            },
            "samsunginternet_android": {
              "version_added": "14.0",
              "version_removed": "22.0",
              "partial_implementation": true,
              "notes": "This API was exposed but failed upon opening a contact selector."
            },
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "cookieEnabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/cookieEnabled",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-cookieenabled-dev",
          "tags": [
            "web-features:cookie-enabled"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1",
              "notes": "Before Firefox 8, `navigator.cookieEnabled` would report the wrong result if a site exception was in place for the page on which the check was performed. This has been fixed."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4",
              "notes": "`navigator.cookieEnabled` returns `true` even if the browser is set to block cookies (for example, if the page is in the _Restricted sites_ security zone)."
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": [
              {
                "version_added": "18"
              },
              {
                "version_added": "1",
                "version_removed": "18",
                "partial_implementation": true,
                "notes": "Returns `true` even if the browser is set to block cookies if `navigator.cookieEnabled` is invoked inside a third-party `iframe`)"
              }
            ],
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createAuctionNonce": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "credentials": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/credentials",
          "spec_url": "https://w3c.github.io/webappsec-credential-management/#framework-credential-management",
          "tags": [
            "web-features:credential-management"
          ],
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "18"
            },
            "firefox": {
              "version_added": "60"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "13"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "deprecatedReplaceInURN": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/deprecatedReplaceInURN",
          "spec_url": "https://wicg.github.io/fenced-frame/#dom-navigator-deprecatedreplaceinurn",
          "tags": [
            "web-features:fencedframe"
          ],
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "deprecatedRunAdAuctionEnforcesKAnonymity": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "deviceMemory": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/deviceMemory",
          "spec_url": "https://www.w3.org/TR/device-memory/#sec-device-memory-js-api",
          "tags": [
            "web-features:device-memory"
          ],
          "support": {
            "chrome": {
              "version_added": "63",
              "notes": [
                "From Chrome 147, reported values are 2, 4, 8, 16, and 32.",
                "Before Chrome 147, reported values were 0.25, 0.5, 1, 2, 4, and 8."
              ]
            },
            "chrome_android": {
              "version_added": "63",
              "notes": [
                "From Chrome 147, reported values are 1, 2, 4, and 8.",
                "Before Chrome 147, reported values were 0.25, 0.5, 1, 2, 4, and 8."
              ]
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "devicePosture": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/devicePosture",
          "spec_url": "https://w3c.github.io/device-posture/#dom-navigator-deviceposture",
          "tags": [
            "web-features:device-posture"
          ],
          "support": {
            "chrome": {
              "version_added": "132"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "16.2"
            },
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "doNotTrack": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/doNotTrack",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17",
              "notes": "Before version 17, Edge implemented `window.doNotTrack`."
            },
            "firefox": {
              "version_added": "9",
              "notes": [
                "In Firefox, `navigator.doNotTrack` returns `\"unspecified\"` instead of `null`.",
                "Before Firefox 32, `navigator.doNotTrack` would report values of `\"yes\"` and `\"no\"` rather than `\"1\"` and `\"0\"`."
              ]
            },
            "firefox_android": "mirror",
            "ie": {
              "prefix": "ms",
              "version_added": "9",
              "version_removed": "11",
              "notes": "For IE11 and subsequent versions, use `window.doNotTrack`"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": "5.1",
              "version_removed": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "geolocation": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/geolocation",
          "spec_url": "https://w3c.github.io/geolocation/#dom-navigator-geolocation",
          "tags": [
            "web-features:geolocation"
          ],
          "support": {
            "chrome": {
              "version_added": "5"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "10.6"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "≤3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:geolocation"
            ],
            "support": {
              "chrome": {
                "version_added": "47"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "55"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "10"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "getAutoplayPolicy": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/getAutoplayPolicy",
          "spec_url": "https://w3c.github.io/autoplay/#dom-navigator-getautoplaypolicy",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "112"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getBattery": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/getBattery",
          "spec_url": "https://w3c.github.io/battery/#dom-navigator-getbattery",
          "tags": [
            "web-features:battery"
          ],
          "support": {
            "chrome": {
              "version_added": "38"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "43",
              "version_removed": "52"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:battery"
            ],
            "support": {
              "chrome": {
                "version_added": "103"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": false
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "getGamepads": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/getGamepads",
          "spec_url": "https://w3c.github.io/gamepad/#dom-navigator-getgamepads",
          "tags": [
            "web-features:gamepad"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "35"
              },
              {
                "prefix": "webkit",
                "version_added": "21"
              }
            ],
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "29"
            },
            "firefox_android": {
              "version_added": "32"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:gamepad"
            ],
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "91",
                "version_removed": "125"
              },
              "firefox_android": {
                "version_added": false
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        }
      },
      "getInstalledRelatedApps": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/getInstalledRelatedApps",
          "spec_url": "https://wicg.github.io/get-installed-related-apps/spec/#dom-navigator-getinstalledrelatedapps",
          "tags": [
            "web-features:related-apps"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "85",
                "notes": "Supported on Windows for checking of Universal Windows Platform (UWP) app installation. Resolves with an empty array on other platforms."
              },
              {
                "version_added": "80",
                "version_removed": "85",
                "partial_implementation": true,
                "notes": "Always resolves with an empty array."
              }
            ],
            "chrome_android": [
              {
                "version_added": "84",
                "notes": "Supports checking of Progressive Web App (PWA) installation."
              },
              {
                "version_added": "80",
                "version_removed": "84",
                "partial_implementation": true,
                "notes": "Supports checking of Android app installation."
              }
            ],
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getInterestGroupAdAuctionData": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "132"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "getUserMedia": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/getUserMedia",
          "spec_url": "https://w3c.github.io/mediacapture-main/#dom-navigator-getusermedia",
          "support": {
            "chrome": [
              {
                "version_added": "53"
              },
              {
                "prefix": "webkit",
                "version_added": "21"
              }
            ],
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "12"
              },
              {
                "prefix": "webkit",
                "version_added": "79"
              }
            ],
            "firefox": {
              "prefix": "moz",
              "version_added": "17"
            },
            "firefox_android": {
              "prefix": "moz",
              "version_added": "24"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": [
              {
                "version_added": "40"
              },
              {
                "prefix": "webkit",
                "version_added": "15"
              },
              {
                "version_added": "12",
                "version_removed": "15"
              }
            ],
            "opera_android": [
              {
                "version_added": "41"
              },
              {
                "prefix": "webkit",
                "version_added": "14"
              },
              {
                "version_added": "12",
                "version_removed": "14"
              }
            ],
            "safari": {
              "version_added": "11",
              "version_removed": "12"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": [
              {
                "version_added": "53"
              },
              {
                "prefix": "webkit",
                "version_added": "40"
              }
            ],
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "getVRDisplays": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/getVRDisplays",
          "tags": [
            "web-features:webvr"
          ],
          "support": {
            "chrome": {
              "version_added": false,
              "notes": "Available on all platforms behind a flag, but currently only works on desktop in an [experimental version of Chrome](https://webvr.info/get-chrome/) (other builds won't return any devices when `Navigator.getVRDisplays()` is invoked)."
            },
            "chrome_android": {
              "version_added": "79",
              "version_removed": "80",
              "notes": "Supported only by Google Daydream."
            },
            "edge": {
              "version_added": "15",
              "version_removed": "79"
            },
            "firefox": [
              {
                "version_added": "98",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.vr.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "64",
                "version_removed": "98",
                "notes": "Only on macOS and Windows."
              },
              {
                "version_added": "55",
                "version_removed": "64",
                "notes": "Only on Windows."
              }
            ],
            "firefox_android": {
              "version_added": "55",
              "version_removed": "98"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": false
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "globalPrivacyControl": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/globalPrivacyControl",
          "spec_url": "https://w3c.github.io/gpc/#dom-globalprivacycontrol-globalprivacycontrol",
          "tags": [
            "web-features:gpc"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "120",
              "notes": "Opt-in to GPC using the Website Privacy Preference setting (`about:preferences#privacy`) checkbox 'Tell websites not to sell or share my data', or by setting the preference `privacy.globalprivacycontrol.enabled` to `true`."
            },
            "firefox_android": {
              "version_added": "122",
              "notes": "Opt-in to GPC using the Enhanced Tracking Protection toggle 'Tell web sites not to share & sell data', or by setting the preference `privacy.globalprivacycontrol.enabled` to `true`."
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "gpu": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/gpu",
          "spec_url": "https://gpuweb.github.io/gpuweb/#navigator-gpu",
          "tags": [
            "web-features:webgpu"
          ],
          "support": {
            "chrome": {
              "version_added": "113",
              "partial_implementation": true,
              "notes": [
                "Supported on ChromeOS, macOS, and Windows.",
                "Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144."
              ]
            },
            "chrome_android": {
              "version_added": "121"
            },
            "deno": [
              {
                "version_added": "1.39",
                "flags": [
                  {
                    "type": "runtime_flag",
                    "name": "--unstable-webgpu"
                  }
                ]
              },
              {
                "version_added": "1.8",
                "version_removed": "1.32"
              }
            ],
            "edge": "mirror",
            "firefox": {
              "version_added": "141",
              "partial_implementation": true,
              "notes": "Supported on Windows only."
            },
            "firefox_android": {
              "version_added": false
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "26"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hardwareConcurrency": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/hardwareConcurrency",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-navigator-hardwareconcurrency-dev",
          "tags": [
            "web-features:hardware-concurrency"
          ],
          "support": {
            "bun": {
              "version_added": "1.0.0"
            },
            "chrome": {
              "version_added": "37"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.13"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "21.0.0"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": [
              {
                "version_added": "15.4",
                "notes": "The value of this property is clamped to 4 or 8 cores, to prevent device fingerprinting. See [bug 233381](https://webkit.org/b/233381)."
              },
              {
                "version_added": "10.1",
                "version_removed": "11"
              }
            ],
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hid": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/hid",
          "spec_url": "https://wicg.github.io/webhid/#dom-navigator-hid",
          "tags": [
            "web-features:webhid"
          ],
          "support": {
            "chrome": {
              "version_added": "89"
            },
            "chrome_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40628009"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40163407"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ink": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/ink",
          "spec_url": "https://wicg.github.io/ink-enhancement/#navigator-interface-extensions",
          "tags": [
            "web-features:ink"
          ],
          "support": {
            "chrome": {
              "version_added": "94"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "93"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "javaEnabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/javaEnabled",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-javaenabled",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "6"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "joinAdInterestGroup": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "keyboard": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/keyboard",
          "spec_url": "https://wicg.github.io/keyboard-lock/#h-navigator-keyboard",
          "tags": [
            "web-features:keyboard-lock"
          ],
          "support": {
            "chrome": {
              "version_added": "68"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "language": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/language",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-language-dev",
          "tags": [
            "web-features:language"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.27"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1",
              "notes": "Before Firefox 4, this property's value was also part of the user agent string, as reported by `navigator.userAgent`. Starting in Firefox 5, this property's value is based on the value of the `Accept-Language` [HTTP header](https://developer.mozilla.org/docs/Web/HTTP/Headers)."
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "11",
              "notes": "Closest available (non-standard) properties are `userLanguage` and `browserLanguage`."
            },
            "nodejs": {
              "version_added": "21.2.0"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "4"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "languages": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/languages",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-languages-dev",
          "tags": [
            "web-features:language"
          ],
          "support": {
            "chrome": {
              "version_added": "37",
              "notes": "Before Chrome 65, `navigator.languages[0]` is not guaranteed to equal `navigator.language`."
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.27"
            },
            "edge": {
              "version_added": "16"
            },
            "firefox": {
              "version_added": "32",
              "notes": "In Firefox, the `navigator.languages` property's value is taken from the `intl.accept_languages` preference."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false,
              "notes": "Closest available (non-standard) properties are `userLanguage` and `browserLanguage`."
            },
            "nodejs": {
              "version_added": "21.2.0"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "24"
            },
            "opera_android": {
              "version_added": "24"
            },
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": "37",
              "notes": "Before version 65, `navigator.languages[0]` is not guaranteed to equal `navigator.language`."
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "leaveAdInterestGroup": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "locks": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/locks",
          "spec_url": "https://w3c.github.io/web-locks/#dom-navigatorlocks-locks",
          "tags": [
            "web-features:web-locks"
          ],
          "support": {
            "chrome": {
              "version_added": "69"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "96"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "24.5.0"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "15.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "login": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/login",
          "spec_url": "https://w3c-fedid.github.io/login-status/#dom-navigator-login",
          "support": {
            "chrome": {
              "version_added": "120"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "138"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "managed": {
        "__compat": {
          "spec_url": "https://wicg.github.io/WebApiDevice/managed_config/#dom-navigator-managed",
          "support": {
            "chrome": {
              "version_added": "91"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "maxTouchPoints": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/maxTouchPoints",
          "spec_url": "https://w3c.github.io/pointerevents/#dom-navigator-maxtouchpoints",
          "tags": [
            "web-features:pointer-events-api"
          ],
          "support": {
            "chrome": {
              "version_added": "35"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "59"
            },
            "firefox_android": {
              "version_added": "79"
            },
            "ie": [
              {
                "version_added": "11"
              },
              {
                "prefix": "ms",
                "version_added": "10"
              }
            ],
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "13"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mediaCapabilities": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/mediaCapabilities",
          "spec_url": "https://w3c.github.io/media-capabilities/#dom-navigator-mediacapabilities",
          "tags": [
            "web-features:media-capabilities"
          ],
          "support": {
            "chrome": {
              "version_added": "66"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "63"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "55"
            },
            "opera_android": {
              "version_added": "48"
            },
            "safari": {
              "version_added": "13"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mediaDevices": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/mediaDevices",
          "spec_url": "https://w3c.github.io/mediacapture-main/#mediadevices",
          "tags": [
            "web-features:media-capture"
          ],
          "support": {
            "chrome": {
              "version_added": "47"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "36"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:media-capture"
            ],
            "support": {
              "chrome": {
                "version_added": "74"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "69"
              },
              "firefox_android": {
                "version_added": false
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": "11"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "mediaSession": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/mediaSession",
          "spec_url": "https://w3c.github.io/mediasession/#dom-navigator-mediasession",
          "tags": [
            "web-features:media-session"
          ],
          "support": {
            "chrome": {
              "version_added": "73"
            },
            "chrome_android": {
              "version_added": "57"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "82"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "15"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40611412"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mimeTypes": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/mimeTypes",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-mimetypes",
          "tags": [
            "web-features:pdf-viewer"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "returns_plugin_type": {
          "__compat": {
            "description": "Returns MIME types from plugins rather than hard-coded PDF values",
            "support": {
              "chrome": {
                "version_added": "1",
                "version_removed": "94"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12",
                "version_removed": "94"
              },
              "firefox": {
                "version_added": "1",
                "version_removed": "99"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "≤12.1",
                "version_removed": "80"
              },
              "opera_android": {
                "version_added": "≤12.1",
                "version_removed": "66"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        }
      },
      "ml": {
        "__compat": {
          "spec_url": "https://www.w3.org/TR/webnn/#api-navigator-ml",
          "tags": [
            "web-features:webnn"
          ],
          "support": {
            "chrome": {
              "version_added": "112",
              "flags": [
                {
                  "type": "preference",
                  "name": "#web-machine-learning-neural-network",
                  "value_to_set": "Enabled"
                }
              ]
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onLine": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/onLine",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-online-dev",
          "tags": [
            "web-features:online"
          ],
          "support": {
            "chrome": {
              "version_added": "2",
              "notes": "Earlier versions of Chrome incorrectly return true when a tab is first opened, but it starts reporting the correct connectivity status after the first network event. Windows: 11, macOS: 14, ChromeOS: 13, Linux: Always returns `true`. For history, see [bug 40530968](https://crbug.com/40530968)."
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1.5",
              "notes": "Since Firefox 4 the browser returns `true` when 'Work Offline' mode is disabled and `false` when it is enabled, regardless of actual connectivity. Since Firefox 41, on OS X and Windows, the returned values follow the actual network connectivity, unless 'Work offline' mode is selected (where it will always return `false`)."
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "4",
              "notes": "in Internet Explorer 8 'online' and 'offline' events are raised on the `document.body`; under IE 9 they are raised on both `document.body` and `window`."
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "3",
              "notes": "From Opera 11.1 until Opera 12.1, the browser returns `true` when 'Work Offline' mode is disabled and `false` when it is enabled, regardless of actual connectivity."
            },
            "opera_android": {
              "version_added": "10.1",
              "notes": "From Opera 11.1 until Opera 12.1, the browser returns `true` when 'Work Offline' mode is disabled and `false` when it is enabled, regardless of actual connectivity."
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4",
              "partial_implementation": true,
              "notes": "Can incorrectly return true, see [bug 41369933](https://crbug.com/41369933)."
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "oscpu": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/oscpu",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-oscpu",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "1",
              "notes": "The preference `\"general.oscpu.override\"` can be used to set a value to be returned instead of the true CPU description. The preference setting is ignored for calls made by privileged code, which continue to get the actual CPU description."
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "pdfViewerEnabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/pdfViewerEnabled",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-pdfviewerenabled",
          "tags": [
            "web-features:pdf-viewer"
          ],
          "support": {
            "chrome": {
              "version_added": "94"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "99"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "permissions": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/permissions",
          "spec_url": "https://w3c.github.io/permissions/#dom-navigator-permissions",
          "tags": [
            "web-features:permissions"
          ],
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "46"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40418964"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "platform": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/platform",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-platform-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "bun": {
              "version_added": "1.0.1"
            },
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "2.7"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1",
              "notes": [
                "Before Firefox 69, `platform` would report running on a 32-bit CPU if running the 32-bit version of Firefox on a 64-bit system.",
                "You can override the value returned by `platform` by setting the preference `general.platform.override` to the string you wish to be returned instead."
              ]
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "4"
            },
            "nodejs": {
              "version_added": "21.2.0"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "plugins": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/plugins",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-plugins",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "returns_plugins": {
          "__compat": {
            "description": "Returns plugins rather than hard-coded PDF plugin values",
            "support": {
              "chrome": {
                "version_added": "1",
                "version_removed": "94"
              },
              "chrome_android": "mirror",
              "edge": {
                "version_added": "12",
                "version_removed": "94"
              },
              "firefox": {
                "version_added": "1",
                "version_removed": "99"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "≤12.1",
                "version_removed": "80"
              },
              "opera_android": {
                "version_added": "≤12.1",
                "version_removed": "66"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": false
            }
          }
        }
      },
      "preferences": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/preferences",
          "spec_url": "https://drafts.csswg.org/mediaqueries-5/#preferences-attribute",
          "support": {
            "chrome": {
              "version_added": "preview"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "presentation": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/presentation",
          "spec_url": "https://w3c.github.io/presentation-api/#dom-navigator-presentation",
          "tags": [
            "web-features:presentation-api"
          ],
          "support": {
            "chrome": {
              "version_added": "47"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false,
              "impl_url": "https://webkit.org/b/149168"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/234081017"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "product": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/product",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-product-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "11"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "productSub": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/productSub",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-productsub-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1",
              "notes": "Always returns `20030107`."
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12",
              "notes": "Always returns `20030107`."
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "1",
              "notes": "Always returns `20030107`."
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "protectedAudience": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "registerProtocolHandler": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/registerProtocolHandler",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#custom-handlers",
          "tags": [
            "web-features:registerprotocolhandler"
          ],
          "support": {
            "chrome": {
              "version_added": "13",
              "notes": "From Chrome 77, the URL parameter only accepts `http` or `https` URLs."
            },
            "chrome_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40964464"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": "2"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "80"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "62"
              },
              "firefox_android": {
                "version_added": false
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_bitcoin": {
          "__compat": {
            "description": "`scheme` parameter supports `bitcoin`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "28"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_cabal": {
          "__compat": {
            "description": "`scheme` parameter supports `cabal`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_dat": {
          "__compat": {
            "description": "`scheme` parameter supports `dat`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_did": {
          "__compat": {
            "description": "`scheme` parameter supports `did`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_dweb": {
          "__compat": {
            "description": "`scheme` parameter supports `dweb`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ethereum": {
          "__compat": {
            "description": "`scheme` parameter supports `ethereum`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ftp": {
          "__compat": {
            "description": "`scheme` parameter supports `ftp`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "98"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ftps": {
          "__compat": {
            "description": "`scheme` parameter supports `ftps`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "98"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_geo": {
          "__compat": {
            "description": "`scheme` parameter supports `geo`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "30"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_hyper": {
          "__compat": {
            "description": "`scheme` parameter supports `hyper`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_im": {
          "__compat": {
            "description": "`scheme` parameter supports `im`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "30"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ipfs": {
          "__compat": {
            "description": "`scheme` parameter supports `ipfs`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ipns": {
          "__compat": {
            "description": "`scheme` parameter supports `ipns`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_irc": {
          "__compat": {
            "description": "`scheme` parameter supports `irc`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "15"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ircs": {
          "__compat": {
            "description": "`scheme` parameter supports `ircs`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "30"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_magnet": {
          "__compat": {
            "description": "`scheme` parameter supports `magnet`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "30"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_mailto": {
          "__compat": {
            "description": "`scheme` parameter supports `mailto`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_matrix": {
          "__compat": {
            "description": "`scheme` parameter supports `matrix`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "92"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "90"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_mms": {
          "__compat": {
            "description": "`scheme` parameter supports `mms`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_news": {
          "__compat": {
            "description": "`scheme` parameter supports `news`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_nntp": {
          "__compat": {
            "description": "`scheme` parameter supports `nntp`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_openpgp4fpr": {
          "__compat": {
            "description": "`scheme` parameter supports `openpgp4fpr`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "42"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_sftp": {
          "__compat": {
            "description": "`scheme` parameter supports `sftp`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "98"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_sip": {
          "__compat": {
            "description": "`scheme` parameter supports `sip`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "30"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_sms": {
          "__compat": {
            "description": "`scheme` parameter supports `sms`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_smsto": {
          "__compat": {
            "description": "`scheme` parameter supports `smsto`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "26"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ssb": {
          "__compat": {
            "description": "`scheme` parameter supports `ssb`",
            "support": {
              "chrome": {
                "version_added": "86"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_ssh": {
          "__compat": {
            "description": "`scheme` parameter supports `ssh`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "41"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_tel": {
          "__compat": {
            "description": "`scheme` parameter supports `tel`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_urn": {
          "__compat": {
            "description": "`scheme` parameter supports `urn`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_webcal": {
          "__compat": {
            "description": "`scheme` parameter supports `webcal`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "13"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "11.6"
              },
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_wtai": {
          "__compat": {
            "description": "`scheme` parameter supports `wtai`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "31"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "scheme_parameter_xmpp": {
          "__compat": {
            "description": "`scheme` parameter supports `xmpp`",
            "tags": [
              "web-features:registerprotocolhandler"
            ],
            "support": {
              "chrome": {
                "version_added": "30"
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "2"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "requestMediaKeySystemAccess": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/requestMediaKeySystemAccess",
          "spec_url": "https://w3c.github.io/encrypted-media/#navigator-extension-requestmediakeysystemaccess",
          "tags": [
            "web-features:encrypted-media-extensions"
          ],
          "support": {
            "chrome": {
              "version_added": "42",
              "notes": [
                "The spec requires that the passed `supportedConfigurations` option contain at least one of `audioCapabilities` or `videoCapabilities`, and that said parameters include a codec string.",
                "The function does not exist in insecure contexts. This was not enforced until Chrome 58."
              ]
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "13"
            },
            "firefox": {
              "version_added": "38",
              "notes": [
                "Starting in Firefox 55, if neither `audioCapabilities` nor `videoCapabilities` is specified in `supportedConfigurations`, a warning is output to the web console.",
                "In addition, starting in Firefox 55, if in `supportedConfigurations`, either `audioCapabilities`'s or `videoCapabilities`'s `contentType` value doesn't specify a `\"codecs\"` substring to define allowed codecs within the media wrapper, a warning is output to the web console. See note below table for example and correction.",
                "In the future, if neither `audioCapabilities` nor `videoCapabilities` is specified in the `supportedConfigurations`, a `NotSupported` exception will be thrown."
              ]
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": "29",
              "notes": [
                "The spec requires that the passed `supportedConfigurations` option contain at least one of `audioCapabilities` or `videoCapabilities`, and that said parameters include a codec string.",
                "The function does not exist in insecure contexts. This was not enforced until Opera 45."
              ]
            },
            "safari": {
              "version_added": "12.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "43",
              "notes": [
                "The spec requires that the passed `supportedConfigurations` option contain at least one of `audioCapabilities` or `videoCapabilities`, and that said parameters include a codec string.",
                "The function does not exist in insecure contexts. This was not enforced until version 58."
              ]
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "requestMIDIAccess": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/requestMIDIAccess",
          "spec_url": "https://webaudio.github.io/web-midi-api/#dom-navigator-requestmidiaccess",
          "tags": [
            "web-features:web-midi"
          ],
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "108",
              "notes": "API access is gated by installation of a [site permission add-on](https://support.mozilla.org/en-US/kb/site-permission-add-ons) (user prompt), secure context, and [`Permission Policy: midi`](https://developer.mozilla.org/docs/Web/HTTP/Headers/Feature-Policy/midi)."
            },
            "firefox_android": {
              "version_added": false
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false,
              "impl_url": "https://webkit.org/b/107250"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:web-midi"
            ],
            "support": {
              "chrome": {
                "version_added": "43"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "108"
              },
              "firefox_android": {
                "version_added": false
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "runAdAuction": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "scheduling": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/scheduling",
          "spec_url": "https://wicg.github.io/is-input-pending/#dom-navigator-scheduling",
          "tags": [
            "web-features:is-input-pending"
          ],
          "support": {
            "chrome": {
              "version_added": "87"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "74"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "sendBeacon": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/sendBeacon",
          "spec_url": "https://w3c.github.io/beacon/#sendbeacon-method",
          "tags": [
            "web-features:beacons"
          ],
          "support": {
            "chrome": {
              "version_added": "39",
              "notes": "Starting in Chrome 59, this method cannot send a `Blob` whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see [bug 40087600](https://crbug.com/40087600)."
            },
            "chrome_android": {
              "version_added": "42",
              "notes": "Starting in Chrome 59, this method cannot send a `Blob` whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see [bug 40087600](https://crbug.com/40087600)."
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "31"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "40",
              "notes": "Starting in Chrome 59, this method cannot send a `Blob` whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see [bug 40087600](https://crbug.com/40087600)."
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "serial": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/serial",
          "spec_url": "https://wicg.github.io/serial/#extensions-to-the-navigator-interface",
          "tags": [
            "web-features:serial"
          ],
          "support": {
            "chrome": {
              "version_added": "89"
            },
            "chrome_android": {
              "version_added": "138",
              "partial_implementation": true,
              "notes": "Serial ports are only available if they're provided by Bluetooth RFCOMM serial port emulation."
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "151"
            },
            "firefox_android": {
              "version_added": false
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40740509"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "serviceWorker": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/serviceWorker",
          "spec_url": "https://w3c.github.io/ServiceWorker/#navigator-service-worker-attribute",
          "tags": [
            "web-features:service-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44",
              "notes": "In Firefox private windows, the `serviceWorker` object is `undefined`. See [bug 1320796](https://bugzil.la/1320796)."
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setAppBadge": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/setAppBadge",
          "spec_url": "https://w3c.github.io/badging/#setappbadge-method",
          "tags": [
            "web-features:badging"
          ],
          "support": {
            "chrome": {
              "version_added": "81",
              "notes": [
                "Windows and macOS since Chrome 81.",
                "ChromeOS since Chrome 91.",
                "Linux offers no universal badging API on the operating system level."
              ]
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": false
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "17",
              "notes": [
                "Badging is supported for installed web apps on macOS Sonoma and higher.",
                "Passing `0` as an argument will clear the badge instead of displaying an unnumbered dot."
              ]
            },
            "safari_ios": {
              "version_added": "16.4",
              "notes": [
                "Badging is supported for web apps saved to the home screen.",
                "Passing `0` as an argument will clear the badge instead of displaying an unnumbered dot."
              ]
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false,
              "notes": "Badging is supported for web apps saved to the home screen."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "share": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/share",
          "spec_url": "https://w3c.github.io/web-share/#share-method",
          "tags": [
            "web-features:share"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "128"
              },
              {
                "version_added": "89",
                "version_removed": "128",
                "partial_implementation": true,
                "notes": "Only supported on ChromeOS and Windows, see [bug 40542648](https://crbug.com/40542648) and [bug 40729163](https://crbug.com/40729163)."
              }
            ],
            "chrome_android": {
              "version_added": "61"
            },
            "edge": [
              {
                "version_added": "93"
              },
              {
                "version_added": "81",
                "version_removed": "93",
                "partial_implementation": true,
                "notes": "Only supported on Windows."
              }
            ],
            "firefox": {
              "version_added": "71",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.webshare.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": "79"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": "48"
            },
            "safari": {
              "version_added": "12.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40540400"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "data_files_parameter": {
          "__compat": {
            "description": "`data.files` parameter",
            "spec_url": "https://w3c.github.io/web-share/#dom-sharedata-files",
            "tags": [
              "web-features:share"
            ],
            "support": {
              "chrome": {
                "version_added": "89"
              },
              "chrome_android": {
                "version_added": "76"
              },
              "edge": {
                "version_added": "81"
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": {
                "version_added": "11.0"
              },
              "webview_android": {
                "version_added": false
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "data_text_parameter": {
          "__compat": {
            "description": "`data.text` parameter",
            "spec_url": "https://w3c.github.io/web-share/#dom-sharedata-text",
            "tags": [
              "web-features:share"
            ],
            "support": {
              "chrome": {
                "version_added": "89"
              },
              "chrome_android": {
                "version_added": "76"
              },
              "edge": {
                "version_added": "81"
              },
              "firefox": {
                "version_added": "71",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webshare.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              "firefox_android": {
                "version_added": "79"
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": {
                "version_added": "11.0"
              },
              "webview_android": {
                "version_added": false
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "storage": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/storage",
          "spec_url": "https://storage.spec.whatwg.org/#dom-navigatorstorage-storage",
          "tags": [
            "web-features:storage-manager"
          ],
          "support": {
            "chrome": {
              "version_added": "55"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "57"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "15.2"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "storageBuckets": {
        "__compat": {
          "spec_url": "https://wicg.github.io/storage-buckets/#dom-navigatorstoragebuckets-storagebuckets",
          "tags": [
            "web-features:storage-buckets"
          ],
          "support": {
            "chrome": {
              "version_added": "122"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false,
              "impl_url": "https://bugzil.la/1594740"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "taintEnabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/taintEnabled",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-taintenabled",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "6"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1",
              "version_removed": "15"
            },
            "opera_android": {
              "version_added": "≤12.1",
              "version_removed": "14"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "unregisterProtocolHandler": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/unregisterProtocolHandler",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-unregisterprotocolhandler-dev",
          "tags": [
            "web-features:registerprotocolhandler"
          ],
          "support": {
            "chrome": {
              "version_added": "38"
            },
            "chrome_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40964464"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": [
              {
                "version_added": "25"
              },
              {
                "version_added": "≤12.1",
                "version_removed": "15"
              }
            ],
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "updateAdInterestGroups": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": "128"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "usb": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/usb",
          "spec_url": "https://wicg.github.io/webusb/#dom-navigator-usb",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false,
              "notes": "WebView exposes `navigator.usb`, but does not support WebUSB. See [bug 41441927](https://crbug.com/41441927)."
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "userActivation": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/userActivation",
          "spec_url": "https://html.spec.whatwg.org/multipage/interaction.html#dom-navigator-useractivation",
          "tags": [
            "web-features:user-activation"
          ],
          "support": {
            "chrome": {
              "version_added": "72"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "120"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "userAgent": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/userAgent",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-useragent-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "bun": {
              "version_added": "1.0.0"
            },
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.22"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "4"
            },
            "nodejs": {
              "version_added": "21.1.0"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "userAgentData": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/userAgentData",
          "spec_url": "https://wicg.github.io/ua-client-hints/#dom-navigatorua-useragentdata",
          "tags": [
            "web-features:ua-client-hints"
          ],
          "support": {
            "chrome": {
              "version_added": "90"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "119",
              "impl_url": "https://crbug.com/40609350"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        },
        "secure_context_required": {
          "__compat": {
            "description": "Secure context required",
            "tags": [
              "web-features:ua-client-hints"
            ],
            "support": {
              "chrome": {
                "version_added": "90"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": false
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": {
                "version_added": "119"
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "vendor": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/vendor",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-vendor-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "11"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "vendorSub": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/vendorSub",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-vendorsub-dev",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "vibrate": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/vibrate",
          "spec_url": "https://w3c.github.io/vibration/#dom-navigator-vibrate",
          "tags": [
            "web-features:vibration"
          ],
          "support": {
            "chrome": {
              "version_added": "32"
            },
            "chrome_android": {
              "version_added": "32",
              "notes": [
                "Beginning in Chrome 55, this is not supported in cross-origin iframes.",
                "Beginning in Chrome 60, this method requires a user gesture. Otherwise it returns `false`."
              ]
            },
            "edge": "mirror",
            "firefox": [
              {
                "version_added": "16",
                "version_removed": "129",
                "notes": [
                  "Until Firefox 26 included, when the vibration pattern was too long or any of its elements too large, Firefox threw an exception instead of returning `false` ([bug 884935](https://bugzil.la/884935)).",
                  "From Firefox 32 onwards, when the vibration pattern is too long or any of its elements too large, it returns `true` but truncates the pattern ([bug 1014581](https://bugzil.la/1014581)).",
                  "Beginning in Firefox 72, this is not supported in cross-origin iframes."
                ]
              },
              {
                "prefix": "moz",
                "version_added": "11",
                "version_removed": "16"
              }
            ],
            "firefox_android": [
              {
                "version_added": "79",
                "partial_implementation": true,
                "notes": "Vibration is disabled. If the window is visible, then `navigator.vibrate()` returns `true`, but no vibration takes place (regardless of hardware support). Originally, the intent was to disable it for cross-origin frames only ([bug 1591113](https://bugzil.la/1591113)), but the feature was not re-enabled due to abuse concerns ([bug 1653318](https://bugzil.la/1653318))."
              },
              {
                "version_added": "16",
                "version_removed": "79",
                "notes": [
                  "Until Firefox 26 included, when the vibration pattern was too long or any of its elements too large, Firefox threw an exception instead of returning `false` ([bug 884935](https://bugzil.la/884935)).",
                  "From Firefox 32 onwards, when the vibration pattern is too long or any of its elements too large, it returns `true` but truncates the pattern ([bug 1014581](https://bugzil.la/1014581))."
                ]
              },
              {
                "prefix": "moz",
                "version_added": "14",
                "version_removed": "16"
              }
            ],
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": "19",
              "notes": [
                "Beginning in Opera 42, this is not supported in cross-origin iframes.",
                "Beginning in Opera 47, this method requires a user gesture. Otherwise it returns `false`."
              ]
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "4.4.3",
              "notes": [
                "Beginning in version 55, this is not supported in cross-origin iframes.",
                "Beginning in version 60, this method requires a user gesture. Otherwise it returns `false`."
              ]
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "virtualKeyboard": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/virtualKeyboard",
          "spec_url": "https://w3c.github.io/virtual-keyboard/#dom-navigator-virtualkeyboard",
          "tags": [
            "web-features:virtual-keyboard"
          ],
          "support": {
            "chrome": {
              "version_added": "94"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false,
              "impl_url": "https://bugzil.la/1730568"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false,
              "impl_url": "https://webkit.org/b/230225"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "wakeLock": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/wakeLock",
          "spec_url": "https://w3c.github.io/screen-wake-lock/#extensions-to-the-navigator-interface",
          "tags": [
            "web-features:screen-wake-lock"
          ],
          "support": {
            "chrome": {
              "version_added": "84"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "126"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "safari_ios": [
              {
                "version_added": "18.4"
              },
              {
                "version_added": "16.4",
                "version_removed": "18.4",
                "partial_implementation": true,
                "notes": "Does not work in standalone Home Screen Web Apps. See [bug 254545](https://webkit.org/b/254545#c32)."
              }
            ],
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "webdriver": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/webdriver",
          "spec_url": "https://w3c.github.io/webdriver/#dfn-webdriver",
          "tags": [
            "web-features:webdriver"
          ],
          "support": {
            "chrome": {
              "version_added": "63"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "60"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "11"
            },
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "windowControlsOverlay": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/windowControlsOverlay",
          "spec_url": "https://wicg.github.io/window-controls-overlay/#windowcontrolsoverlay-interface",
          "tags": [
            "web-features:window-controls-overlay"
          ],
          "support": {
            "chrome": {
              "version_added": "105"
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false,
              "impl_url": "https://webkit.org/b/257782"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "xr": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Navigator/xr",
          "spec_url": "https://immersive-web.github.io/webxr/#navigator-xr-attribute",
          "tags": [
            "web-features:webxr-device"
          ],
          "support": {
            "chrome": {
              "version_added": "79"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "11.2"
            },
            "webview_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40652382"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}