Neovim also has some surprising feature regressions compared to Vim. I tried switching to neovim for a while until I realized it was silently removing all ACLs on edited files and breaking services for me. Looking into it, I found that, for no clear reason, ACL handling was removed early on in neovim, and a bug had been open about it, with multiple pull requests that were never merged, since 2014 (https://github.com/neovim/neovim/issues/1200). Vim has never had a problem with this, as far as I know.
Re:Neovim Conf 2022
by Jorengarenar on Friday December 09, 2022 @11:50AM
(#33923470)
My favourite is "it's not a bug, it's a feature" under issue reporting broken bang commands (https://github.com/neovim/neovim/issues/1496)
MacVim is a macOS packaged version of Vim with (fairly) light customizations of gvim which is part of the vim source bundle. All neovim GUIs are from-scratch constructions because the neovim developers decided that they did not want to support GUIs directly. IMO, this was a mistake, because none of the neovim GUIs that exist work as well or are as well OS integrated as gvim or make for as "easy" packaging as MacVim has.