Well, thanks - but I haven’t really done anything.
In order for McNeel to be able to solve these issues, we need to be able to reproduce them and, so far, neither support in Seattle nor myself are seeing the black geometry issue. The clipping, yes.
Trying to narrow things down here, I’ve extracted the mesh from the first post where @mostapha reported the black geometry issue (here) and put it in this gh file: BRE VSC Analysis TEST_AY - Mesh only.gh (7.0 KB)
@AbrahamYezioro, can you confirm that this mesh displays black on your system with factory-default Shaded mode?
FWIW, the complete file shows like this in factory-default Shaded on my system:
