{
    "features": [{
        "id": "container_item_builder",
        "name": "Container property <code>item_builder</code>",
        "compat": {
            "android": [{
                "version_added": "29.12.0",
                "version_removed": "29.13.0",
                "notes": "Removed due to performance issues"
            }, {
                "version_added": "30.0.0"
            }],
            "ios": {
                "version_added": "29.0.0"
            },
            "web": {
                "version_added": "29.4.0"
            }
        }
    }, {
        "id": "container_item_spacing",
        "name": "Container properties <code>item_spacing</code> and <code>line_spacing</code>",
        "compat": {
            "android": {
                "version_added": "32.17.0"
            },
            "web": {
                "version_added": "32.17.0"
            },
            "ios": {
                "version_added": "32.35.0"
            }
        }
    }]
}