The ability to scroll through a tabbed group of windows by hovering
a mouse pointer over a window group, and scrolling up or down. This
allows navigation through window groups without reaching for the keyboard
(This is a feature currently available in pekwm)
Group is maintained at bugs.opencompositing.org, and Compiz is moving away from fd.o, so I'm closing this bug. Please re-open the bug at bugs.opencompositing.org if you're still missing this feature.