It's interesting that you mention this now, because I have come across his posts more frequently lately. Maybe it's because of the confrontations some of us had with him that he got tired of. Nevertheless, he was a fantastic member. I also can't imagine that he abandoned MusicBee completely; I mean, although this might be a bold statement, the level of performance, scope, developer interaction, and attention to detail is unmatched among music organizing tools. It also reveals how talented Steven Mayall is, considering how advanced MusicBee was already in the first and second versions, compared to everything else on the market produced by large or small teams. It's just mind-blowing.
Speaking for myself, I can say that I benefited greatly from his contributions as an early member using another nickname in the early 2010s, and later also as a silent reader, I was happy to consider his help.