JED 1.6.0+ - Respawnable End dimension

{
    "dimensions": [
        {
            "dim": 1,
            "override": true,
            "dimensiontype": {
                "id": 1,
                "name": "The End (JED)",
                "suffix": "_dim1",
                "keeploaded": false,
                "worldprovider": "WorldProviderEndJED"
            },
            "jed": {
                "CanRespawnHere": true
            }
        }
    ]
}