I have a Stage an two Kemper Kone cabs.
I love them and have never been so pleased with my sound!
The only issue is the fact that you can not save a rig in FRFR mode(Kone on, Cab off).
I have owned Axe-Fx and Helix and have bought rigs/presets from the great pro Glenn DeLaune
https://www.glenndelaune.com/kemper.htm
Now he has released high quality rigs for the Stage but all are direct profiles ment to feed FOH /FRFR.
Unfortunately I cannot use them with The Kones because it is not possible to save in FRFR mode.
I would really Really appreciate if this is included in next OS update.