I cannot get past an update to Plasma 5 and KF5. After I upgrade and restart the computer I get a black screen with a cursor. KRunner is working and I can run an application with it but they don't have any decorations and buttons. I can't figure out what is wrong. I rolled back to a backup I had. I managed to save an xsession log and journactl log. However I don't understand them.
My Apps are now 15.04.3, KF5 5.12, Qt 5.4.2 and the update is to 15.08, 5.13 and 5.5
I tried another accound, deleting .cache, .kde, .config or .local and nothing works

xsession-errors.log
journalctl -n 300