Media library incomplete and alphabetical track order

Hi everyone,

I’m running the 2.598 version of Volumio on a Raspberry 3B+ with a HifiBerry Digi+ Pro on it.
I’ve been able to set it up, activated the media streaming on my PC (WIN 10 on it), so I can see my music folder in the Media Servers section.

However the lists show up in an incomplete way.
For instance if I browse by folders it stops at T letter, if I browse by artits it stops at N, etc.
Strange thing is that I’m sure all files have been scanned as if I browse by albums I can see some that are from artist under the V letter, so the system knows they’re there but doesn’t show me. Is there a way to prevent this?

Another issue is that tracks are ordered in alphabetical way, even if they have the track number in the file name and should also be properly tagged.

Thank you in advance!