Thanks,I appreciate your work a lot, don’t get me wrong. It’s just that there are things in Rhino that are not fixable with workarounds. Clipping planes on blocks And working with nested blocks being two of them. So that’s why I want to ask you to push these bugs to the top of the list of things to fix. 
1 Like
@Gijs
It looks like this is fixed now.
Some other change seems to corrected this problem.
I can no longer repeat it.