I'm running 13.04 64bit on a Dell Latitude with 8GB RAM. Recently, the HUD search results are being sorted differently, I suppose that's due to Unity updates. What's worse is that my system is performing very poorly since these changes appeared and my laptop overheats. Running 'top' in a Terminal shows a process called "hud-service" consuming about 50% of my RAM. CPU usage equals. Does anyone encounter the same and know a solution? Killing the HUD is not an option, because I use it quite often.
I have now filed a bug report on Launchpad: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1203718