There is a known issue about multi-valued attributes being returned as a single string from userinfo. Like, `"customTest": "[xcvsdgsdsdxcvxcvcxv, sfgsdsdcbvbcvb]"` instead of `"customTest": ["xcvsdgsdsdxcvxcvcxv", "sfgsdsdcbvbcvb"]`. Unless it's something like this, it's a new one.