Well their may be one more chance that they have implemented so many ****ty factors and features that they don't know any more what factor influences the engine. And they are afraid to change anything because any slight change may lead to serious consequences to the engine itself. I do work in the IT company and I know how our technicians implement any new feature when almost every slightest update ruins the whole platform. So they keep sending us useless graphic and visual updates without any real impact on the game process