I've found some strange behaviour with my Kemper - tried with firmware 2.7.4 and 3.0.2.
When turning Delay Mix or Reverb Time quick knobs in browse mode, strange things are happening. Values are often changed in wrong direction, when changing Delay Mix, Reverb Time is randomly changed and vice versa.It looks like both controls would be somehow connected in and blocking each other. Completely unpredictable and unusable, hard to explain. Info on display is constantly switching between both controls, like actually both would be controlled with one knob without any sensable logic.
When editing delay or reverb using menu, everything is working as expected.
Any help would be appreciated - brand new Kemper rack here. I really hope this is not a hardware error.