- Fixed mortar spawn issue on Castle Itter
- Fixed debug window opening on Shift-D
- Fixed mortar AI bug
- Multiplayer stability improvements
- Visual tweaks

Known issues:
- Internet connection issues when creating a new challenge can cause an issue
- Mortar AI needs further improvement following immediate bug fix
- 2D allied counters are over-exposed

Plus other reported issues! Many thanks to those who have provided feedback and suggestions.