{
  "api": {
    "CSSSupportsRule": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/CSSSupportsRule",
        "support": {
          "chrome": {
            "version_added": false
          },
          "chrome_android": {
            "version_added": false
          },
          "edge": {
            "version_added": "≤18",
            "version_removed": "79"
          },
          "firefox": {
            "version_added": "17",
            "notes": "From Firefox 17 to 19, methods and properties were defined on <code>CSSSupportsRule</code>. From version 20, they were on <code>CSSConditionRule</code>.",
            "flags": [
              {
                "type": "preference",
                "name": "layout.css.supports-rule.enable",
                "value_to_set": "true"
              }
            ]
          },
          "firefox_android": {
            "version_added": "17",
            "notes": "From Firefox 17 to 19, methods and properties were defined on <code>CSSSupportsRule</code>. From version 20, they were on <code>CSSConditionRule</code>.",
            "flags": [
              {
                "type": "preference",
                "name": "layout.css.supports-rule.enable",
                "value_to_set": "true"
              }
            ]
          },
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": "12.1"
          },
          "opera_android": {
            "version_added": false
          },
          "safari": {
            "version_added": false
          },
          "safari_ios": {
            "version_added": false
          },
          "samsunginternet_android": {
            "version_added": false
          },
          "webview_android": {
            "version_added": false
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      }
    }
  }
}