Simmesimme/Gnome-Pie — pull request #75 by RaphaelRochet (2014-01-17 15:32:50+00:00)
Title: Fix real transparency on gnome 3.10

Simply putting "app_paintable" property to true on the pie window gave me (real) transparency back.

Tested with archlinux (gnome-shell 3.10.3).