I was unable to register at the bugtracker (still haven't received no e-mail, and there doesn't seem to be any way to post to there without it), so posting this here.
Clicking render crashes instantly on Ubuntu 12.04. This goes for both 0.8.2.1 and 0.8.3. Doesn't matter if there is a project open or not.
Signal: Floating point exception (8)
KDE Development Platform: 4.8.2 (4.8.2)