INTERFACE AND USABILITY
Updated the icon displayed next to the group leader ship in the main menu
Added a lock icon directly in the main menu to indicate when a ship is no longer freely available
Added an explanatory message when attempting to select a locked element
The last selected ship color is now automatically re-selected when choosing a ship
TECHNICAL IMPROVEMENTS
Optimized the free ship rotation system during FullFree week-end events
Improved automatic client-side management of ship availability