Guitar&bass magazin Germany from Feb. 2016, site 8:
Kemper shows a new feature ar NAMM:
Pure cab in softwareupdate 3.2. and also an x fade time parameter.
Thats it. Nothing about OS 4.0!
Cant wait to check this new things out!
Very good investigation for a big guitar magazin..........
I love to be informed with the latest news, so dont expect more than pure cab
cheers
Frank