Identity Server not returning refresh token
问题 I'm trying to set up Thinktecture's Identity Server 3, but I can't seem to get it to return a refresh token when exchanging an authorization code (or when using the ResourceOwner flow, but I'm going to focus on the authorization code as it's more important to me right now). I get back access tokens and can use them to authenticate just fine, but it doesn't seem to even be generating the refresh tokens that I'm expecting to get back. Is there anything special that I need to do to get Identity