A major new feature, defense fleets, was added this week that could change the way you and the AI play the game. Also, over the next few weeks we will be adding new victory conditions to the game. As part of this work, we will be removing the ability to carry credits from game to game through your profile. You will still keep your ship upgrades on your profile, but bringing millions of credits into a new game trivializes the difficulty of the game.
Read the full notes on our official forums.