Your fix did work for me. Firefox (GTK3) and Evince worked as expected with the AA change. It appears that GDM is what decided where to put the Xauthority file. If I "dpkg-reconfigure gdm" and switch to LightDM then the Xauthority file appears in $HOME again.
Seth,
Your fix did work for me. Firefox (GTK3) and Evince worked as expected with the AA change. It appears that GDM is what decided where to put the Xauthority file. If I "dpkg-reconfigure gdm" and switch to LightDM then the Xauthority file appears in $HOME again.