So, their answer is a bit vague (as a programmer I never say "for some reason I changed it") but anyway, it looks like he might change it back... I guess...
"
Hi Vincent
Yes.for some reasons,I changed some code.for now it is not support QHY5 BIN22.
I will think about to readd it back.
Regards!
Lee
"
So I mailed him again to ask if anything was updated, because this is starting to get pretty annoying. The starshoot camera is pretty bad, but it's almost unusable at binning 1x1, they indeed aren't fast.