Dnd 5e 2024. Everything different in the dnd 2024 update to 5e's rules is listed here, including all changes to classes, species and more That said, conceptually there’s nothing.
Backwards compatibility wizards of the coast has been extremely vague about backwards compatibility over the course of the dnd 2024 / oned&d playtest, but there are a few bits of text in the new player’s handbook. Everything different in the dnd 2024 update to 5e’s rules is listed here, including all changes to classes, species and more