>It appears that adding users to the dashboard has at some point become a PUTM feature, because I am unable to add anymore. However, I am also no longer able to remove a member from my dashboard, FYI.

That could be correct. If the subscription expires, access to the related options is being blocked. Otherwise, it would mean a total reset of all changes applied during a specific timeframe and that wouldn't be any better.

We do encourage member to keep their subscription active also knowing a very interesting enhanced and simplified interface to be released soon.