Does just:play and just:live support the new BM UltraStudio 4K/Express or the Mini Monitor and and does it support HD play out as well as fill & key?

Versions v1.7 and above support the Black Magic UltraStudio 3D/express and mini monitor (no fill & key).

Versions v1.8 and above ( just:play and just:live) fully support the new Black Magic UltraStudio 4K for HD playout incl. Fill & Key.

 Please consult the user manual for more information regarding BMD devices and their restrictions.