Arthur Marsh wrote on 20/07/15 11:25:
Hi, I've lost the tops of windows and hence the ability to move them, and also the ability to switch tasks with alt-tab on my other machine and wonder where I should go looking to fix this.
Downgrading kde-window-manager to 4:4.11.13-2 fixed things for me. I didn't want to go up to KDE 5 just yet.