There is already a request for this here
Hold & Secondary Functions for foot switches - #49 by ASTROFREQ
In fact, it has the highest vote count right now. I hope we see something coming in the next update. It would help me be more creative, spontaneous on stage. It still feels somewhat limited as it is, though I still love the tones.
If you have the votes, vote for this one too. I’m out of votes for now 