account settings

On my forum I have multiple secondary user groups and they are stackable. How can I enable my users the ability to switch between each group? I noticed after upgrading my forum to the latest version the ability is no longer there. It was in the users preferences settings page.

Hello, that's a repost because @S Thomas said that my first post is simply to long to understand my problem. Since the last week I'm trying to add a new display location for some input fields in the account settings location. I want to add for example a new location for a first name. Everything...