Well, I'm not in the dev team but spoken to crizis and all I know is that they(steam) want to add/change stuff. This is probably why they will release it in a couple of months due several changes changes and all the additional stuff. That's all I know at the very moment :)
Warsow has air control and dash button. People don't play it because it's not quake.
Remove air control and dashing and no one will play it because it's quake.