Updated Graphics Engine and Special Effects
Diplomacy and have it seem more "approprate" (Alliances Stick, More modes of Reliability)
AI in Campaign (Including Starting Wars and Ceasefires, Even Some Better AI Conquest)
AI in Battle (Better General Control - Not Suicidal, Better Use of Ect)
The Minor Bugs Being Fixed (I.E. Shield and Two Handed Bug.)
More Units to Choose From (More Variety Between Factions)
Easier Modability (Less Options Hard Coded, Maybe a Mod Kit Relieased to Assist)
Older TW Features Returned (Civil Wars, Controlling Inquisitors, Ect)