New comment by FollieHiyuki on void-packages repository

https://github.com/void-linux/void-packages/pull/33148#issuecomment-927989622

Comment:
> Ugh, that kinda sucks. I'm pretty sure CMake strips our CFLAGS in Release mode, which includes the debug info stuff.

That was why I go with RelWithDebInfo when I made the PR for 0.5.0. But personally I can build neovim myself if I need debug symbols so I'm fine with Release.