On Tue, 12 Apr 2016 14:15:45 +0930 Stephen <mailman@xxxxxxxxxx> wrote: > For what it's worth, I was able to resolve this issue in the end by > simply removing + reinstalling my theme (which was Arc). Installing > Adwaita also worked. > > Removing and reinstalling solved the issue because it rebuilt against > Gnome 3.20. I'd only recently switched to Arch, and had therefore > wrongly assumed that anything that needed to would be rebuilt against > the new Gnome version. Everything *in the repos* that needed to was rebuilt against 3.20. The Arc theme is in the AUR, which you have to manage yourself. > > Lesson learned :)