"The content is basically fine. But the animations are borked, and the lighting is all off, and everything needs to be re-optimized," explains Pitchblack community manager Sanya Weathers on Dominus' official forums.
The bad news is that those players who were promised a spot in the December wave of beta invites are out of luck for the time being. The good news is that the spots aren't going anywhere, and you'll be able to do your part in Dominus' testing phase when new player acceptances resume after the new year.
[Update: We've corrected our erroneous references to Dominus' old title.]