Being a CLI app, it would probably fit best at the dedicated part of the forum but, as there are no prior mentions, I'm afraid it would pass completely unnoticed there (I'll move the topic later if no one disagrees); moreover, the windows version is apparently based on Qt, a well known cross-platform development framework mostly for GUI apps.
Neovim isn't natively portable since it stores its settings in '%APPDATA%' by default, but portability has been extensively discussed at Github -- e.g., please check issue #11541 discussion at https://github.com/neovim/neovim/issues/11541.
[Neovim is a] hyperextensible Vim-based text editor. Features: extensible [], usable [], drop-in Vim []...
Neovim is a project that seeks to aggressively refactor Vim source code...
Neovim latest stable is v0.8.0 released 2022-09-30 (changes and downloads at https://github.com/neovim/neovim/releases/).