- Fixed a bug causing the AI to purchase too many scouts.
- Fixed a crash caused by citystate tech acquisition in scenario games.
- Policies which buff Great Improvements now provide +5 yield (was +2).
- Several modern-era techs increase the yield of Great Improvements.
- Warrior Code increases the yields of Citadels.
- The research agreement modifier on the Porcelain Tower’s tooltip should now appear when only CiVUP is enabled.
- Great Library: free tech and library (was free tech).