Roon Radio and format chosen

I am wondering why Roon Radio does not choose the highest definition format from all the versions available. It quite often plays the 16/44 version when many other better ones are available.

Roon plays the highest quality available for a given release.

I think this is the issue:

Thanks but I am not sure exactly what this means. All I see is “versions” and there is very often a higher definition version available.