Edit your server group permissions from the new client. Starting with server group permissions first and then adding all other permissions afterwards.
Who knows. Maybe they come up with something even more intuitive to use. Those TeamSpeak 3 dialogs are very old fashioned.
Yeah, but probably as it is now on TS3, we will have a basic-advance GUI
This is the idea at the moment
Try to balance this one to be as intuitive and advanced as possible - this is one of the biggest differences that sets TeamSpeak aside from all the other VoIP software.