List of bug in the option menu:
1) Problem when changing resolution, the key binding menu is out of screen.
2) I can't assign 2 key for the same action and i can't assign 1 key for 2 action (reset camera + free camera = mouse button 3)
2bis) Can't assign mousebutton 3
2ter) Some key cannot be assigned (Q, A, S, W, D, E) They are grey.. ok. but if you modify another key.( select Track Player and rebind with T) these key are now yellow and you can assign an other key. But you can't assign the same key again. (close the option menu and reopen it restores defaults)