{
  "css": {
    "selectors": {
      "hostfunction": {
        "__compat": {
          "description": "<code>:host()</code>",
          "mdn_url": "https://developer.mozilla.org/docs/Web/CSS/:host()",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": false,
              "notes": "<a href='https://developer.microsoft.com/microsoft-edge/platform/status/shadowdom/'>Under consideration</a>"
            },
            "edge_mobile": {
              "version_added": false,
              "notes": "<a href='https://developer.microsoft.com/microsoft-edge/platform/status/shadowdom/'>Under consideration</a>"
            },
            "firefox": [
              {
                "version_added": "63"
              },
              {
                "version_added": "61",
                "version_removed": "63",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "63"
              },
              {
                "version_added": "61",
                "version_removed": "63",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "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": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}