Hi @Michael_Simon ---- Thank you for the report. In order for us to accurately evaluate why these files may not be appearing in Roon, could you please provide the details of your setup as seen here.
Furthermore, I am not sure if you have visited our knowledge base yet but we have a a very comprehensive article on why some files may not be showing up in Roon. Give it a read and let me know what you have tried in your troubleshooting of this issue.
-Eric