Currently there is no FX loop mode on either Stompbox but I’ve added this to the list of feature requests for consideration in a future software update. Thanks for the input!
Has this feature ever been considered. Having PRE/POST routing is a wonderfull update. Another great feature would be to use one set of input and output as FX loop for delayed sound, so that other effects can be applied to the delay effect only. I would love to add pitch shifter and modulation to delayed sound only.