http://www.thearender.com/forum/viewtopic.php?f=81%26amp;t=15192 @unknownuser said: RV203 bug-fixes: [Mac] Crash when Converting Thea materials to SKM while IR Overlay running fixed [Mac] erratic crash when editing with MatLab while IR Overlay running fixed some users have had issue with stopping a render - this may be fixed, but I cannot tell as I couldn't replicate it myself Improvements: custom SU view aspect ratio is supported now Known issues: [Mac] There is a know conflict with 'Vray for SketchUp' installation Have you yet make a bug report at Thea4SU forum? If not, please do so. You may also want to subscribe on "Versions & Resources (SketchUp)" -forum http://www.thearender.com/forum/viewforum.php?f=81