(This is a guest post of Antoni Sawicki aka Tenox)
This is not strictly new. DG/UX worked on 86box before, but only partially. Low resolution and no networking made it almost unusable. Now it all has been patched up!
Ready to run image available here: https://files.42718.net/mirror/tenox/os/dgux/Virtual/DGUX-R4.20MU07-86Box-20261010.tar.lz