{
    "notes": {
        "feature": {
            "__compat": {
                "support": {
                    "chrome": {
                        "version_added": "10",
                        "notes": "Simple note: Valid Chrome versions are a subset of valid Firefox versions."
                    },
                    "edge": {
                        "version_added": "15",
                        "notes": [
                          "Array note 1: Content scripts are not applied to tabs already open when the extension is loaded.",
                          "Array note 2: To access the WebGL context, use experimental-webgl rather than the standard webgl identifier."
                        ]
                    },
                    "firefox": [
                        {
                            "version_added": "12",
                            "notes": "Simple note in first support range: Before Firefox 41, it doesn't obey the <code>crossorigin</code> attribute."
                        },
                        {
                            "version_added": "5",
                            "notes": [
                                "Array note 1 in second support range: Under consideration for future release.",
                                "Array note 2 in second support range: Currently supported only by Google Daydream."
                            ]
                        }
                    ]
                }
            }
        }
    }
}