Hi @Peter_Olausson,
Whilst there has been problems with 1.8 for the vast majority of users it is quite stable, though it does seem there are still some reports of functionally issues.
I’ve moved your post to the #support section of the Roon, so Roon support team can follow this up for you.
In order for Roon’s @support team to better assist you, please provide a brief description of your current setup using this link as a guide.
Make sure to describe your network configuration/topology, including any networking hardware currently in use, so they can have a clear understanding of how your devices are communicating.