> Stefan apparently has no problem allowing an enhanced 3.8 to be called 4 for Amiga OS.

"Their is 4.0, copyrighted 2006 Stefan Stunz."
https://morph.zone/modules/newbb_plus/viewtopic.php?forum=3&topic_id=9339&start=37

> Does Amiga MUI4 really have his approval?

http://www.amiga-news.de/en/news/AN-2014-01-00061-EN.html