Clicking diplomacy alerts (treaty proposals, first contact) now opens the diplomacy window directly
Treaty proposal alerts show what they're offering and requesting when you hover over them
Cultural traits now show who controls their associated region (yours, tribes, or another civilization)
Waste Treatment now scales better with nation size - larger empires get more pollution reduction
Added Railway Quota policy to cap regional railway development and control pollution
Cultural and religious traits now scroll when you have many of them
Fixed "I Think, Therefore I Am" achievement not unlocking properly in some cases
Fog of war now updates immediately when conquering or losing territory
AI improvements: better granary investment, earlier military development, varied unit compositions, more commercial treaties
Faster save file loading, especially in late game with many civilizations
Smaller save files thanks to improved compression
Loading screen now shows more detailed progress