Has always been broken.
@ -86,6 +86,9 @@ let
license = with licenses; [ asl20 vim ];
maintainers = with maintainers; [ manveru garbas rvolosatovs ];
platforms = platforms.unix;
# `lua: bad light userdata pointer`
# https://nix-cache.s3.amazonaws.com/log/9ahcb52905d9d417zsskjpc331iailpq-neovim-unwrapped-0.2.2.drv
broken = stdenv.isAarch64;
};