Noticed this small bug. How to reproduce: have 2 frag grenades (and maybe other grenade types, I think I had at least 2 smokes additionally) in inventory throw a frag grenade after selecting it from quick slot --> the quick slot still does display that you have 2 frag grenades after that (Screenshot 1) left click the quick slot --> nothing happens (grenade is not selected) right click the quick quick slot --> now the quick slot correctly displays that you