I also have gotten a very noticeable UPS/FPS drop since updating. Mine is staying pretty consistent right around 19-21 UPS, doesn't seem to be tied to any of the graphical settings either.

I am totally against any unchangeable player made choices that would affect the rest of the game. There are ways to achieve these pro/con bonuses without players having assigned classes/roles. Equipment and Tech being two viable options. I cannot stress this next point enough, I bought this game ...