I was going to post this question yesterday, but did some searching first, and found that in general, the 36 is recommended to use the same sights as the 20/21/29/30. The only thing I found that worried me was some posts saying the front sight screw head might need some grinding for barrel clearance.
I ordered a set of Meprolight ML10222
I hope they fit. I've got a G30S on order...but don't expect to see it for a few months.
I suspect the only issue will be I generally have to drift the rear sight over to the right a bit, and the 30S/36 slide being narrow doesn't have a whole lot of adjustment room.
Lifetime GSSF & NRA.