{
  "api": {
    "XRVisibilityMaskChangeEvent": {
      "__compat": {
        "spec_url": "https://immersive-web.github.io/webxr/#xrvisibilitymaskchangeevent-interface",
        "support": {
          "chrome": {
            "version_added": "144"
          },
          "chrome_android": "mirror",
          "edge": "mirror",
          "firefox": {
            "version_added": false
          },
          "firefox_android": "mirror",
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
          "safari": {
            "version_added": false
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": false
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "XRVisibilityMaskChangeEvent": {
        "__compat": {
          "description": "`XRVisibilityMaskChangeEvent()` constructor",
          "spec_url": "https://immersive-web.github.io/webxr/#dom-xrvisibilitymaskchangeevent-xrvisibilitymaskchangeevent",
          "support": {
            "chrome": {
              "version_added": "144"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "eye": {
        "__compat": {
          "spec_url": "https://immersive-web.github.io/webxr/#dom-xrvisibilitymaskchangeevent-eye",
          "support": {
            "chrome": {
              "version_added": "144"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "index": {
        "__compat": {
          "spec_url": "https://immersive-web.github.io/webxr/#dom-xrvisibilitymaskchangeevent-index",
          "support": {
            "chrome": {
              "version_added": "144"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "indices": {
        "__compat": {
          "spec_url": "https://immersive-web.github.io/webxr/#dom-xrvisibilitymaskchangeevent-indices",
          "support": {
            "chrome": {
              "version_added": "144"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "session": {
        "__compat": {
          "spec_url": "https://immersive-web.github.io/webxr/#dom-xrvisibilitymaskchangeeventinit-session",
          "support": {
            "chrome": {
              "version_added": "144"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "vertices": {
        "__compat": {
          "spec_url": "https://immersive-web.github.io/webxr/#dom-xrvisibilitymaskchangeevent-vertices",
          "support": {
            "chrome": {
              "version_added": "144"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}