Comment 12 for bug 1514527

IIRC, I first tried downgrading just the desktop. But,q because of
library dependancies ended up downgrading 1-2 other things.

Here's what I'm current runing on Gentoo:

x11-themes/gtk-engines-xfce-3.2.0-r200
x11-themes/xfce-gant-icon-theme-3.9_p6
x11-themes/xfwm4-themes-4.10.0
xfce-base/libxfce4ui-4.12.1-r2
xfce-base/libxfce4util-4.12.1
xfce-base/xfce4-appfinder-4.12.0-r1
xfce-base/xfce4-meta-4.10
xfce-base/xfce4-panel-4.12.0
xfce-base/xfce4-session-4.12.1
xfce-base/xfce4-settings-4.12.0
xfce-base/xfconf-4.12.0-r1
xfce-base/xfdesktop-4.10.2
xfce-base/xfwm4-4.12.3
xfce-extra/xfce4-clipman-plugin-1.2.6
xfce-extra/xfce4-mixer-4.11.0
xfce-extra/xfce4-notifyd-0.2.4