You can watch the Gamescom conference but I will give the Official Document:
It have all details you need ;)
Thanks. You're back! I thought you'd had a guts full of this place and quit us permanently.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."