For more details, read the full update notes.

• Aesthetics has been replaced with Vaulting
• Vaulting has been replaced with Ballistics
• The Lateen Sail and Jurisprudence techs have been swapped
• Some goal and law adjustments have been made to coincide with these changes
• Monasteries no longer require Urban adjacency
• Units of dead nations now become rebels
• Some Archetypes have received some buffs when placed as a general of a unit
• Hero Generals: +10% Strength
• Commander Generals: +10% Adjacent Defense if same unit
• Tactician Generals: Immune to Critical Hits
• Zealot Generals: Can Heal in Neutral Territory
• Schemer Generals: Hidden in Forests
• The Maintenance cost from empty improvements has been increased
• Surrounding a city site with your territory turns it into a Minor City
• This feature works with the One City challenge
• A One City Challenge option has been added to the Single Player set up screen
• Diplomacy missions can now be disabled based on opinion
• A competitive opponent level has been added
• This setting can be found in the AI aggression dropdown in the game set up screen
• This setting makes the AI more likely to declare war on you if you get close to winning by points
• Naval ZOC now blocks water transport