I know Niara has posted some details about the 5e approach to alignments, and there’s been some interesting debate on these forums about BG3 and alignment, eg

https://forums.larian.com/ubbthreads.php?ubb=showflat&Number=828433
https://forums.larian.com/ubbthreads.php?ubb=showflat&Number=841967

(A couple of the more recent examples I recall, I think it’s also come up in some of the paladin discussions for example.j

"You may call it 'nonsense' if you like, but I've heard nonsense, compared with which that would be as sensible as a dictionary!"