User blog comment:Luperza/Server Downtime for Hotfix June 7th, 2013 6AM PT (3PM CEST)/@comment-78.94.81.194-20130607160506/@comment-6034641-20130607180915

Theyre working on performance, dont worry. Of course, a lot of people would like to see them sooner, including myself, but we cannot let them rush it.

And water reflections in biolabs arent actual reflections, theyre based on something called environment maps (they may even be using the cube map variant but I haven't looked close enough) which is part of game technology dating back to 1999. They aren't intensive at all.