{
  "api": {
    "XMLHttpRequestUpload": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload",
        "spec_url": "https://xhr.spec.whatwg.org/#xmlhttprequestupload",
        "tags": [
          "web-features:xhr"
        ],
        "support": {
          "chrome": {
            "version_added": "2"
          },
          "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": "3"
          },
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": "≤37"
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "abort_event": {
        "__compat": {
          "description": "`abort` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload/abort_event",
          "spec_url": [
            "https://xhr.spec.whatwg.org/#event-xhr-abort",
            "https://xhr.spec.whatwg.org/#handler-xhr-onabort"
          ],
          "tags": [
            "web-features:xhr"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "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": "3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "≤37"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "error_event": {
        "__compat": {
          "description": "`error` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload/error_event",
          "spec_url": [
            "https://xhr.spec.whatwg.org/#event-xhr-error",
            "https://xhr.spec.whatwg.org/#handler-xhr-onerror"
          ],
          "tags": [
            "web-features:xhr"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "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": "3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "≤37"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "load_event": {
        "__compat": {
          "description": "`load` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload/load_event",
          "spec_url": [
            "https://xhr.spec.whatwg.org/#event-xhr-load",
            "https://xhr.spec.whatwg.org/#handler-xhr-onload"
          ],
          "tags": [
            "web-features:xhr"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "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": "3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "≤37"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "loadend_event": {
        "__compat": {
          "description": "`loadend` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload/loadend_event",
          "spec_url": [
            "https://xhr.spec.whatwg.org/#event-xhr-loadend",
            "https://xhr.spec.whatwg.org/#handler-xhr-onloadend"
          ],
          "tags": [
            "web-features:xhr"
          ],
          "support": {
            "chrome": {
              "version_added": "18"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "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": "3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "loadstart_event": {
        "__compat": {
          "description": "`loadstart` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload/loadstart_event",
          "spec_url": [
            "https://xhr.spec.whatwg.org/#event-xhr-loadstart",
            "https://xhr.spec.whatwg.org/#handler-xhr-onloadstart"
          ],
          "tags": [
            "web-features:xhr"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "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": "3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "progress_event": {
        "__compat": {
          "description": "`progress` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload/progress_event",
          "spec_url": [
            "https://xhr.spec.whatwg.org/#event-xhr-progress",
            "https://xhr.spec.whatwg.org/#handler-xhr-onprogress"
          ],
          "tags": [
            "web-features:xhr"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "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": "3"
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "≤37"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "timeout_event": {
        "__compat": {
          "description": "`timeout` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/XMLHttpRequestUpload/timeout_event",
          "spec_url": [
            "https://xhr.spec.whatwg.org/#event-xhr-timeout",
            "https://xhr.spec.whatwg.org/#handler-xhr-ontimeout"
          ],
          "tags": [
            "web-features:xhr"
          ],
          "support": {
            "chrome": {
              "version_added": "29"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "12"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}