Nice! I'm curious if you experience any difference in IO performance (e.g game loading times)?

Last I tried NTFS on Linux it was stable but not fast, especially for writes. If it's not a notable difference between Windows and Linux then that's a big improvement from those days.

I think you could probably get a decent IO performance boost and reduce loading times by moving the library over to something like ext4 or xfs, at the cost of portability.