Coming from the HN post it wasn't clear to me that Windows wasn't supported. Given that Rust is cross platform it might be a good idea to mention this somewhere in the README.md.

You mentioned supporting it:

Should be achievable using winfsp[0]. I will look into it for a future release.
[0] https://github.com/billziss-gh/winfsp

Possibly make an issue dedicated to it?

Cheers!