{
  "api": {
    "Request": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request",
        "spec_url": "https://fetch.spec.whatwg.org/#request-class",
        "tags": [
          "web-features:fetch"
        ],
        "support": {
          "chrome": [
            {
              "version_added": "42"
            },
            {
              "version_added": "40",
              "version_removed": "42",
              "partial_implementation": true,
              "notes": "Only available in service workers."
            }
          ],
          "chrome_android": "mirror",
          "deno": {
            "version_added": "1.0"
          },
          "edge": {
            "version_added": "14"
          },
          "firefox": {
            "version_added": "39"
          },
          "firefox_android": "mirror",
          "nodejs": {
            "version_added": "18.0.0"
          },
          "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
        }
      },
      "Request": {
        "__compat": {
          "description": "`Request()` constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/Request",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40",
              "notes": "From Chrome 47, default values for the `init` argument's properties changed. `mode` defaults to `same-origin` (from `no-cors`). `credentials` defaults to `include` (from `same-origin`). `redirect` defaults to `follow` (from `manual`)."
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0",
              "notes": "Fetching with a `\"manual\"` redirect mode does not result in a `\"opaqueredirect\"` response, but a regular response."
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "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
          }
        },
        "cross_origin_stripped": {
          "__compat": {
            "description": "cross-origin `referrer` stripped out and `navigate` mode converted to `same-origin` when constructor created from existing `Request` object.",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "69"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": {
                "version_added": "15"
              },
              "firefox": {
                "version_added": "54"
              },
              "firefox_android": "mirror",
              "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
            }
          }
        },
        "init_attributionReporting_parameter": {
          "__compat": {
            "description": "`init.attributionReporting` parameter",
            "spec_url": "https://wicg.github.io/attribution-reporting-api/#dom-requestinit-attributionreporting",
            "tags": [
              "web-features:attribution-reporting"
            ],
            "support": {
              "chrome": {
                "version_added": "125"
              },
              "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
            }
          }
        },
        "init_browsingTopics_parameter": {
          "__compat": {
            "description": "`init.browsingTopics` parameter",
            "support": {
              "chrome": {
                "version_added": "126"
              },
              "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": false,
              "deprecated": false
            }
          }
        },
        "init_duplex_parameter": {
          "__compat": {
            "description": "`init.duplex` parameter",
            "spec_url": "https://fetch.spec.whatwg.org/#dom-requestinit-duplex",
            "support": {
              "chrome": {
                "version_added": "105"
              },
              "chrome_android": {
                "version_added": false
              },
              "deno": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false,
                "impl_url": "https://bugzil.la/1792434"
              },
              "firefox_android": "mirror",
              "nodejs": [
                {
                  "version_added": "19.1.0"
                },
                {
                  "version_added": "18.13.0",
                  "version_removed": "19.0.0"
                }
              ],
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": false,
                "impl_url": "https://webkit.org/b/245671"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "init_keepalive_parameter": {
          "__compat": {
            "description": "`init.keepalive` parameter",
            "spec_url": "https://fetch.spec.whatwg.org/#dom-requestinit-keepalive",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "66"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": {
                "version_added": "15"
              },
              "firefox": {
                "version_added": "133"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": "18.0.0"
              },
              "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
            }
          }
        },
        "init_priority_parameter": {
          "__compat": {
            "description": "`init.priority` parameter",
            "spec_url": "https://fetch.spec.whatwg.org/#dom-requestinit-priority",
            "tags": [
              "web-features:fetch-priority"
            ],
            "support": {
              "chrome": {
                "version_added": "101"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "132"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "17.2"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "init_referrer_parameter": {
          "__compat": {
            "description": "`init.referrer` parameter",
            "spec_url": "https://fetch.spec.whatwg.org/#dom-requestinit-referrer",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "47"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": {
                "version_added": "15"
              },
              "firefox": {
                "version_added": "47"
              },
              "firefox_android": "mirror",
              "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
            }
          }
        },
        "request_body_readablestream": {
          "__compat": {
            "description": "Send `ReadableStream` in request body",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "105"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.7"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": false,
                "impl_url": "https://bugzil.la/1387483"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": "18.0.0"
              },
              "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
            }
          }
        },
        "response_body_readablestream": {
          "__compat": {
            "description": "Consume `ReadableStream` as a response body",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "43"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "65"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": "10.3"
              },
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "arrayBuffer": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/arrayBuffer",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-body-arraybuffer①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "blob": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/blob",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-body-blob①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "body": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/body",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-body-body①",
          "tags": [
            "web-features:fetch-request-streams"
          ],
          "support": {
            "chrome": {
              "version_added": "105",
              "impl_url": "https://crbug.com/40505032"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false,
              "impl_url": "https://bugzil.la/1387483"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "bodyUsed": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/bodyUsed",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-body-bodyused①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "bytes": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/bytes",
          "spec_url": "https://fetch.spec.whatwg.org/#dom-body-bytes",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "132"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.44"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "128"
            },
            "firefox_android": "mirror",
            "nodejs": [
              {
                "version_added": "22.3.0"
              },
              {
                "version_added": "20.16.0",
                "version_removed": "21.0.0"
              }
            ],
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "18"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "cache": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/cache",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-cache②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "64"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        },
        "only-if-cached": {
          "__compat": {
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "64"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "50"
              },
              "firefox_android": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "18.0.0"
              },
              "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
            }
          }
        }
      },
      "clone": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/clone",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-clone①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "credentials": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/credentials",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-credentials②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        },
        "default_same-origin": {
          "__compat": {
            "description": "Default value `same-origin`",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "72"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": {
                "version_added": "18"
              },
              "firefox": {
                "version_added": "61"
              },
              "firefox_android": "mirror",
              "nodejs": {
                "version_added": "18.0.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "55"
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": "12.1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "destination": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/destination",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-destination①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "65"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "61"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        },
        "speculationrules": {
          "__compat": {
            "description": "`speculationrules` value",
            "spec_url": "https://wicg.github.io/nav-speculation/speculation-rules.html#fetch",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "121"
              },
              "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
            }
          }
        }
      },
      "duplex": {
        "__compat": {
          "spec_url": "https://fetch.spec.whatwg.org/#dom-request-duplex",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "131"
            },
            "chrome_android": {
              "version_added": false
            },
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false,
              "impl_url": "https://bugzil.la/1792434"
            },
            "firefox_android": "mirror",
            "nodejs": [
              {
                "version_added": "19.3.0"
              },
              {
                "version_added": "18.13.0",
                "version_removed": "19.0.0"
              }
            ],
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false,
              "impl_url": "https://webkit.org/b/245671"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "formData": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/formData",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-body-formdata①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "60"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": [
              {
                "version_added": "14.1"
              },
              {
                "version_added": "11.1",
                "version_removed": "14.1",
                "partial_implementation": true,
                "notes": "The method exists but always rejects with `NotSupportedError`. See [bug 215671](https://webkit.org/b/215671)."
              }
            ],
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "headers": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/headers",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-headers②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "integrity": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/integrity",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-integrity②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "46"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "51"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "isHistoryNavigation": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/isHistoryNavigation",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-ishistorynavigation①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "69"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "json": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/json",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-body-json①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "keepalive": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/keepalive",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-keepalive②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "66"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": {
              "version_added": "133"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "method": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/method",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-method②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "mode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/mode",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-mode②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        },
        "navigate_mode": {
          "__compat": {
            "description": "`navigate` mode",
            "tags": [
              "web-features:fetch"
            ],
            "support": {
              "chrome": {
                "version_added": "49"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": {
                "version_added": "≤18"
              },
              "firefox": {
                "version_added": "46"
              },
              "firefox_android": {
                "version_added": false
              },
              "nodejs": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": "10.1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": {
                "version_added": false
              },
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "redirect": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/redirect",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-redirect②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "46"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0",
              "notes": "Fetching with a `\"manual\"` redirect mode does not result in a `\"opaqueredirect\"` response, but a regular response."
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "43"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "referrer": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/referrer",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-referrer①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "referrerPolicy": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/referrerPolicy",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-referrerpolicy②",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "52"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "47"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "7.2"
            },
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "signal": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/signal",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-signal②",
          "tags": [
            "web-features:abortable-fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "66"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.11"
            },
            "edge": {
              "version_added": "16"
            },
            "firefox": {
              "version_added": "57"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "12.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "targetAddressSpace": {
        "__compat": {
          "spec_url": "https://wicg.github.io/private-network-access/#dom-request-targetaddressspace",
          "tags": [
            "web-features:private-network-access"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "138",
                "flags": [
                  {
                    "type": "preference",
                    "name": "#local-network-access-check",
                    "value_to_set": "Enabled"
                  }
                ]
              },
              {
                "version_added": "124",
                "version_removed": "138"
              }
            ],
            "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
          }
        }
      },
      "text": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/text",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-body-text①",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "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
          }
        }
      },
      "url": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/url",
          "spec_url": "https://fetch.spec.whatwg.org/#ref-for-dom-request-url③",
          "tags": [
            "web-features:fetch"
          ],
          "support": {
            "chrome": {
              "version_added": "40",
              "notes": "Fragment support added in Chrome 59."
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": "mirror",
            "nodejs": {
              "version_added": "18.0.0"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": "27",
              "notes": "Fragment support added in Opera 46."
            },
            "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
          }
        }
      }
    }
  }
}