Can confirm the crash, looks more qtmir than unity8, but can be both, i tried with lp:~gerboland/qtmir/multiple-windows-per-app as Gerry suggested but what that made things work less than more.
Can confirm the crash, looks more qtmir than unity8, but can be both, i tried with lp:~gerboland/qtmir/multiple-windows-per-app as Gerry suggested but what that made things work less than more.