Not exactly Sure if this qualifies as a 'bug' or not-But here it is. In the Battle of the Gods Scenario The AI tends to build, ok WAY overbuild Tech improvements on its planets. Up to 30% or even higher in fact. The AI has not be programed to dis-regard tech improvments, which would make some sort of sense since they are absolutely of no value in this senario, yet they practically fill there tiles with them(much like a regular game)
And in case the above doesnt 100% qualify as a 'real' bug. Here is one that does
When Updateing a SHIP design, if I use the same name it *can* crash the client sometimes. Not sure if its related the size of the hull-seems to occure more often on larger hulls but has happned as least once with a medium.