A new update is now available (73mb) which fixes up issues found by our testers and members of the community.
Change log since update 1.5.3.3
Improved customisation menu and fixed up issues with sizing. Fixed up the simulation failed not working when dying on a simulation. Removed raw input support which should now fix up HOTAS support. Improved re-supply and other issues on Proxima assault simulation. Improved Drii AI. Optimisations for performance. Misc. fixes and improvements. CDF Database problems fixed up.
The new update fixes up some crucial issues such as control customisation screen and better hotas support. If you come across any bug or issues on the game please let me know so they can be fixed up in a future update.