“….Good news is that a single external switch (like a physical sustain pedal) defaults to BYPASS control…”

ok, I can use my Boss FS-5U footswitch, but I will have

1) again to double-tap to achieve the BYPASS

2) use the same with two switches : the Boss FS-5U and the SuperEgo+ Bypass switch.

I don’t know if it will be handy…

anyway, I’d use a lower Decay setting to get it to cleanly shut down the sustained notes,

it could be a solution