У вашего броузера проблема в совместимости с HTML5
Feedback Thread: http://www.swtor.com/community/showthread.php?t=855014
Here are a few fights and notes related to the 4.0.2 SWTOR Companion Nerf, includes Parsec numbers for DPS, HPS, etc. I didn't play perfectly and made a few dumb mistakes, my gear wasn't the best, but it should give a pretty good idea of how companions are performing in 4.0.2.