A work-around is to add the following to the launcher: env GTK_DEBUG=no-pixel-cache
For gedit... $ sudo sed -i "s|Exec=gedit %U|# Exec=gedit %U\nExec=env GTK_DEBUG=no-pixel-cache gedit %U|g" /usr/share/applications/gedit.desktop
A work-around is to add the following to the launcher: no-pixel- cache
env GTK_DEBUG=
For gedit... no-pixel- cache gedit %U|g" /usr/share/ applications/ gedit.desktop
$ sudo sed -i "s|Exec=gedit %U|# Exec=gedit %U\nExec=env GTK_DEBUG=