I can confirm Gnome Boxes (gnome-boxes) works properly again in Ubuntu 18.10 x64. Gnome Boxes version 3.30.2-0dc83a95 from dl.flathub.org.
I can confirm Gnome Boxes (gnome-boxes) works properly again in Ubuntu 18.10 x64.
Gnome Boxes version 3.30.2-0dc83a95 from dl.flathub.org.