Aminiole please listen carefully.

In the client follow bug apere.

some time, when you're playing (every game - tested), in the one moment you can't do anything of the hotkeys s, c, k, w, t, nothing, F11, nothing.
You can only press F2 but before chat chat window opened, it will play lika menu end sound and when you write a chat and press enter instead staying connected and sending a message, you will get result of "you have been disconnected from the server" and the client will automatically reconnect, but you will leave the game.
I dont know, but i've tested.
Also i think a problem with auto reconnecting because it will always leave the game...