This looks like the most completed 5E conversation. I wonder if Athas.org could make 5E some sort of community project or wiki?
Personally I’d like it slightly more epic and thus way more homebrew. I’m working on ideas (on the DND Amino), but one change requires the next so I’m building modular variant rules for: Character Creation, Ability Scores, Race, Size, Background and Custom point based classes.
From these classes I’m making the Dark Sun specific classes like Priests and Defilers.