I think this might not be clear on the issue, it broke vim's undo file, as in it deleted it and replaced it with Neovims version.
Just by trying Neovim you can lose your vim undo file.
This is the crux of the matter. I wish a few of the "its OSS" commentators here would read this.
This is the crux of the matter. I wish a few of the "its OSS" commentators here would read this.