Update:
I can't be sure if there is a connection, but after todays Compiz update, the HUD in LO doesn't work at all on this computer any more. Several reboots later and testing it on a different computer lead to the same results.
Update:
I can't be sure if there is a connection, but after todays Compiz update, the HUD in LO doesn't work at all on this computer any more. Several reboots later and testing it on a different computer lead to the same results.