{
  "api": {
    "Request": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request",
        "support": {
          "webview_android": {
            "version_added": "42"
          },
          "chrome": {
            "version_added": "42"
          },
          "chrome_android": {
            "version_added": "42"
          },
          "edge": {
            "version_added": true
          },
          "edge_mobile": {
            "version_added": true
          },
          "firefox": {
            "version_added": "39"
          },
          "firefox_android": {
            "version_added": true
          },
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": "28"
          },
          "opera_android": {
            "version_added": "28"
          },
          "safari": {
            "version_added": false
          },
          "safari_ios": {
            "version_added": false
          },
          "samsunginternet_android": {
            "version_added": "4.0"
          }
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "Request": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/Request",
          "description": "<code>Request()</code> constructor",
          "support": {
            "webview_android": [
              {
                "version_added": "42"
              },
              {
                "version_added": "41",
                "notes": "Some default values for the init parameter changed in Chrome 47. See the Properties section for details."
              }
            ],
            "chrome": [
              {
                "version_added": "42"
              },
              {
                "version_added": "41",
                "notes": "Some default values for the init parameter changed in Chrome 47. See the Properties section for details."
              }
            ],
            "chrome_android": [
              {
                "version_added": "42"
              },
              {
                "version_added": "41",
                "notes": "Some default values for the init parameter changed in Chrome 47. See the Properties section for details."
              }
            ],
            "edge": {
              "version_added": "15"
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "39"
              },
              {
                "version_added": "34",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.fetch.enabled"
                  }
                ]
              }
            ],
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": [
              {
                "version_added": "29"
              },
              {
                "version_added": "28",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              }
            ],
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": {
              "version_added": "10.3"
            },
            "samsunginternet_android": [
              {
                "version_added": "4.0"
              },
              {
                "notes": "Some default values for the init parameter changed in Samsung Internet 5.0. See the Properties section for details.",
                "version_added": "5.0"
              }
            ]
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        },
        "reponse_body_readablestream": {
          "__compat": {
            "description": "Consume response body as a <code>ReadableStream</code>",
            "support": {
              "chrome": {
                "version_added": "43"
              },
              "chrome_android": {
                "version_added": "43"
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": true,
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.streams.enabled"
                  },
                  {
                    "type": "preference",
                    "name": "javascript.options.streams"
                  }
                ]
              },
              "firefox_android": {
                "version_added": true,
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.streams.enabled"
                  },
                  {
                    "type": "preference",
                    "name": "javascript.options.streams"
                  }
                ]
              },
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": "10.3"
              },
              "samsunginternet_android": {
                "version_added": "4.0"
              },
              "webview_android": {
                "version_added": "43"
              }
            }
          }
        },
        "readablestream_request_body": {
          "__compat": {
            "description": "Send <code>ReadableStream</code> in request body",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            }
          }
        },
        "navigate_mode": {
          "__compat": {
            "description": "<code>navigate</code> mode",
            "support": {
              "webview_android": {
                "version_added": false
              },
              "chrome": {
                "version_added": "49"
              },
              "chrome_android": {
                "version_added": "49"
              },
              "edge": {
                "version_added": "15"
              },
              "edge_mobile": {
                "version_added": "15"
              },
              "firefox": {
                "version_added": "46"
              },
              "firefox_android": {
                "version_added": true
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": "10.1"
              },
              "safari_ios": {
                "version_added": "10.3"
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              }
            }
          }
        },
        "referrer_init": {
          "__compat": {
            "description": "<code>referrer</code> init option",
            "support": {
              "webview_android": {
                "version_added": true
              },
              "chrome": {
                "version_added": null
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "15"
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "47"
              },
              "firefox_android": {
                "version_added": true
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": "10.1"
              },
              "safari_ios": {
                "version_added": "10.3"
              },
              "samsunginternet_android": {
                "version_added": true
              }
            }
          }
        },
        "cross_origin_stripped": {
          "__compat": {
            "description": "cross-origin <code>referrer</code> stripped out and <code>navigate</code> mode converted to <code>same-origin</code> when constructor created from existing <code>Request</code> object.",
            "support": {
              "webview_android": {
                "version_added": true
              },
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "15"
              },
              "edge_mobile": {
                "version_added": "15"
              },
              "firefox": {
                "version_added": "54"
              },
              "firefox_android": {
                "version_added": true
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": "10.1"
              },
              "safari_ios": {
                "version_added": "10.3"
              },
              "samsunginternet_android": {
                "version_added": true
              }
            }
          }
        }
      },
      "cache": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/cache",
          "support": {
            "webview_android": {
              "version_added": false
            },
            "chrome": {
              "version_added": false,
              "notes": "<a href='https://commondatastorage.googleapis.com/chromium-browser-snapshots/index.html'>Nightly build</a>"
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": "11"
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        },
        "only_if_cached": {
          "__compat": {
            "description": "<code>only-if-cached</code>",
            "support": {
              "webview_android": {
                "version_added": true
              },
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "50"
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              }
            }
          }
        }
      },
      "context": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/context",
          "support": {
            "webview_android": {
              "version_added": "42",
              "version_removed": "46"
            },
            "chrome": {
              "version_added": "42",
              "version_removed": "46"
            },
            "chrome_android": {
              "version_added": "42",
              "version_removed": "46"
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": "39",
              "version_removed": "42",
              "notes": "see <a href='https://bugzil.la/1188062'>bug 1188062</a> for more information."
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "28",
              "version_removed": "29"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "credentials": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/credentials",
          "support": {
            "webview_android": {
              "version_added": false
            },
            "chrome": [
              {
                "version_added": "42"
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              }
            ],
            "chrome_android": {
              "version_added": "42",
              "version_removed": "46"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "39"
              },
              {
                "version_added": "34",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.fetch.enabled"
                  }
                ]
              }
            ],
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": [
              {
                "version_added": "29"
              },
              {
                "version_added": "28",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              }
            ],
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        },
        "default_same-origin": {
          "__compat": {
            "description": "Default value <code>same-origin</code>",
            "support": {
              "webview_android": {
                "version_added": null
              },
              "chrome": {
                "version_added": null
              },
              "chrome_android": {
                "version_added": null
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "61"
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": null
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "destination": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/destination",
          "support": {
            "webview_android": {
              "version_added": null
            },
            "chrome": {
              "version_added": null
            },
            "chrome_android": {
              "version_added": null
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": "61"
            },
            "firefox_android": {
              "version_added": "61"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": null
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "headers": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/headers",
          "support": {
            "webview_android": {
              "version_added": false
            },
            "chrome": [
              {
                "version_added": "42"
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              }
            ],
            "chrome_android": {
              "version_added": "42",
              "version_removed": "46"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "39"
              },
              {
                "version_added": "34",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.fetch.enabled"
                  }
                ]
              }
            ],
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": [
              {
                "version_added": "29"
              },
              {
                "version_added": "28",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              }
            ],
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "integrity": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/integrity",
          "support": {
            "webview_android": {
              "version_added": false
            },
            "chrome": {
              "version_added": "46"
            },
            "chrome_android": {
              "version_added": "46"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "keepalive": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/keepalive",
          "support": {
            "webview_android": {
              "version_added": false
            },
            "chrome": {
              "version_added": "66"
            },
            "chrome_android": {
              "version_added": "66"
            },
            "edge": {
              "version_added": "15"
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": null
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": "43"
            },
            "opera_android": {
              "version_added": "43"
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "method": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/method",
          "support": {
            "webview_android": {
              "version_added": false
            },
            "chrome": [
              {
                "version_added": "42"
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              }
            ],
            "chrome_android": {
              "version_added": "42",
              "version_removed": "46"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "39"
              },
              {
                "version_added": "34",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.fetch.enabled"
                  }
                ]
              }
            ],
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": [
              {
                "version_added": "29"
              },
              {
                "version_added": "28",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              }
            ],
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Request/mode",
          "support": {
            "webview_android": {
              "version_added": "49"
            },
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "49"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "39"
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "29"
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
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