>> So I guess it was him who he gave the 2006 MUI4 source code to them

> Not to my knowledge.

What's your knowledge based on? Hearsay or first-hand info directly from Stuntz?

> MUI4 on OS4 seems entirely reverse-engineered

Seems or is?

> I haven't heard anything about Stuntzi handing out code.

Me neither, but that's the only reasonable explanation as to how they could have ended up with 2006 MUI4 source code, which is what had been established as alleged fact in the old "MUI4 for OS4?" thread here on MorphZone.

> Stuntzi only became aware some weeks after they released their hack, having had no idea
> of it beforehand.

Is that first-hand info?

> it was believed, MUI was buggy crap

As far as I remember, the main argument against MUI (true or not) was that it was slow, not buggy.

> How do you port these without rewriting them?

How do you port something and rewrite it at the same time? ;-)