Inconsistent transparency rendering order

Some of the purple crystals found in caves like Punabi are flickering while you move around. Check the video.

OpenMW 0.39 release Windows 8.1 64bit

(RM-3366 from redmine: created on 2016-04-22 by katz ., , duplicates #4388 (closed))

Attachments: openmw_2016-04-22_22-22-13-94