This v1.1 patch improves overall game performance, fixes various bugs/crashes, and improves multiplayer stability, performance and connectivity.
Single Player :
Improved overall game performance.
Fixed issue with loading music tracks. While loading a track there was a freeze for a short period of time.
Fixed memory issues and game crashes.
Resolved some interface issues when changing focus from different windows.
General fixes concerning compatibility issues.
Faster loading and starting of the game.
Improved Multiplayer stability and performance.
Fixed issues that caused crashes.
Improved connectivity with Internet games.
Fixed problems with Internet games from computers behind NAT devices.