I spend a lot of time debugging AI in games. This means having to play the game over and over and over again trying to see why the AI is doing something dumb.
Two features that will be rolling out into Supernova and then back to the base game are:
When you turn these on, ships move instantly to their destination and battles occur without any fanfare. It makes the turns go by insanely fast.
Galactic Civilizations IV: Supernova Dev Journals