Multiple problems occurred after the update via yum update....
Finally.. what happened to the Desktop Switching Tool? I am an avid user of KDE, and have yet to find any other way to change to it, for at least a session, from the login screen.
Yeah, basically GDM has code to allow you do it, but it disables that code if it sees that switchdesk is installed. You can switch that behaviour on even if switchdesk is installed by doing