Have a fully updated F16 TC2. Gnome-shell's memory footprint is ballooning
like anything, making the GUI sluggish. Observed especially after running
system for long hours or when unseen notifications accumulate alot in the
bottom panel. Today, in 7hrs it jumped from 40-50 MB to 430 MB.
Doing a Alt+F2 and 'r' brings gnome-shell back to normal levels. Guess
people have seen it in F15 too earlier . i didnt experience it much with