-Many unique units added, some with unique models (see credits)
-Revised the way nukes are handled, so nuclear powers now start with nuclear weapons pre-built
-Updated religions: split Islam into Sunni and Shia, added Confucianism, added a pantheon belief, reassigned some beliefs, and reassigned some city religions
-Updated starting diplomatic relations, adding more alliances and friendships
-Added months to the calendar
-Added several cities to city-states on the huge map
-Changed load order to resolve a text issue relating to Canada for those who have GS