{
  "api": {
    "WorkerNavigator": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator",
        "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#the-workernavigator-object",
        "tags": [
          "web-features:dedicated-workers"
        ],
        "support": {
          "chrome": {
            "version_added": "4"
          },
          "chrome_android": "mirror",
          "deno": {
            "version_added": "1.8"
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "3.5"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "10"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "≤12.1"
          },
          "opera_android": {
            "version_added": "≤12.1"
          },
          "safari": {
            "version_added": "4"
          },
          "safari_ios": {
            "version_added": "5"
          },
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "appCodeName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/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": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "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
          }
        }
      },
      "appName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/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": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "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/WorkerNavigator/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": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "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/WorkerNavigator/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"
            },
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": "53",
              "version_removed": "99"
            },
            "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
          }
        }
      },
      "deviceMemory": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/deviceMemory",
          "spec_url": "https://www.w3.org/TR/device-memory/#dom-navigatordevicememory-devicememory",
          "tags": [
            "web-features:device-memory"
          ],
          "support": {
            "chrome": {
              "version_added": "65",
              "notes": [
                "From Chrome 147, reported values are 2, 4, 8, 16, and 32.",
                "Before Chrome 147, reported values are 0.25, 0.5, 1, 2, 4, and 8."
              ]
            },
            "chrome_android": {
              "version_added": "65",
              "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."
              ]
            },
            "deno": {
              "version_added": false
            },
            "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": true,
            "deprecated": false
          }
        }
      },
      "globalPrivacyControl": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/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 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`."
            },
            "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
          }
        }
      },
      "gpu": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/gpu",
          "spec_url": "https://gpuweb.github.io/gpuweb/#navigator-gpu",
          "tags": [
            "web-features:webgpu"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "144",
                "notes": "Supported on ChromeOS, macOS, Windows, and Linux (Intel Gen12+ GPUs only)."
              },
              {
                "version_added": "113",
                "version_removed": "144",
                "partial_implementation": true,
                "notes": "Supported on ChromeOS, macOS, and Windows."
              }
            ],
            "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": [
                "Supports all contexts except service workers. See [bug 1942431](https://bugzil.la/1942431).",
                "Supports Windows since Firefox 141. See [bug 1972486](https://bugzil.la/1972486).",
                "Supports macOS Tahoe on Apple silicon since Firefox 145. See [bug 1992212](https://bugzil.la/1992212).",
                "Supports older macOS versions on Apple silicon since Firefox 147. See [bug 1993341](https://bugzil.la/1993341).",
                "Does not support macOS on Intel CPUs. See [bug 2004105](https://bugzil.la/2004105).",
                "Does not support Linux. See [bug 2006676](https://bugzil.la/2006676)."
              ]
            },
            "firefox_android": "mirror",
            "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/WorkerNavigator/hardwareConcurrency",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-navigator-hardwareconcurrency-dev",
          "tags": [
            "web-features:hardware-concurrency"
          ],
          "support": {
            "chrome": {
              "version_added": "37"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.13"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": "mirror",
            "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/WorkerNavigator/hid",
          "spec_url": "https://hid.spec.whatwg.org/#hid-attribute-0",
          "tags": [
            "web-features:webhid"
          ],
          "support": {
            "chrome": {
              "version_added": "131"
            },
            "chrome_android": {
              "version_added": false,
              "impl_url": "https://crbug.com/40628009"
            },
            "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": {
              "version_added": false,
              "impl_url": "https://crbug.com/40163407"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "language": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/language",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-language-dev",
          "tags": [
            "web-features:language"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5",
              "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`."
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "4"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "10"
            },
            "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/WorkerNavigator/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",
            "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`."
            },
            "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
          }
        }
      },
      "locks": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/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",
            "deno": {
              "version_added": "2.9"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "96"
            },
            "firefox_android": "mirror",
            "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
          }
        }
      },
      "mediaCapabilities": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/mediaCapabilities",
          "spec_url": "https://w3c.github.io/media-capabilities/#dom-workernavigator-mediacapabilities",
          "tags": [
            "web-features:media-capabilities"
          ],
          "support": {
            "chrome": {
              "version_added": "76"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "63"
            },
            "firefox_android": "mirror",
            "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
          }
        }
      },
      "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",
            "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/WorkerNavigator/onLine",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-online-dev",
          "tags": [
            "web-features:online"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5",
              "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": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "10.6",
              "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": "11",
              "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": {
              "version_added": "5"
            },
            "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
          }
        }
      },
      "permissions": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/permissions",
          "spec_url": "https://w3c.github.io/permissions/#dom-workernavigator-permissions",
          "tags": [
            "web-features:permissions"
          ],
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "133"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "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/WorkerNavigator/platform",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-platform-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "2.7"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5",
              "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": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "product": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/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": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "11"
            },
            "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
          }
        }
      },
      "serial": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/serial",
          "spec_url": "https://serial.spec.whatwg.org/#dom-workernavigator-serial",
          "tags": [
            "web-features:serial"
          ],
          "support": {
            "chrome": {
              "version_added": "89"
            },
            "chrome_android": [
              {
                "version_added": "148"
              },
              {
                "version_added": "138",
                "version_removed": "147",
                "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
            },
            "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/WorkerNavigator/serviceWorker",
          "spec_url": "https://w3c.github.io/ServiceWorker/#navigator-serviceworker",
          "tags": [
            "web-features:service-workers"
          ],
          "support": {
            "chrome": {
              "version_added": false,
              "impl_url": "https://crbug.com/40364838"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "133"
            },
            "firefox_android": "mirror",
            "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
          }
        }
      },
      "storage": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/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",
            "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",
            "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
          }
        }
      },
      "usb": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/usb",
          "spec_url": "https://usb.spec.whatwg.org/#dom-workernavigator-usb",
          "tags": [
            "web-features:webusb"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "118",
                "partial_implementation": true,
                "notes": "Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers."
              },
              {
                "version_added": "70",
                "version_removed": "118",
                "partial_implementation": true,
                "notes": "Available in dedicated workers, not available in shared workers and service workers."
              }
            ],
            "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": {
              "version_added": false,
              "impl_url": "https://crbug.com/41441927",
              "notes": "WebView exposes `navigator.usb`, but does not support WebUSB."
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "userAgent": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerNavigator/userAgent",
          "spec_url": "https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-useragent-dev",
          "tags": [
            "web-features:user-agent-sniffing"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "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/WorkerNavigator/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",
            "deno": {
              "version_added": "2.9"
            },
            "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": {
              "version_added": false,
              "impl_url": "https://crbug.com/40609350"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}