Q: \r_mode doesn't work for fullscreen
A: dedicated cvar \r_modeFullscreen now is used for fullscreen,
   set its value to "" if you want to use \r_mode again

Q: what mouse mode is used for raw input?
A: \in_mouse 1

Q: how to minimize/restore game window by ALT+X key, for example?
A: set \in_minimize "alt+x" ; in_restart

Q: non-US/EN keyboard input is not working as before
A: \in_forceCharset 0