Updating to 1.6 no longer plays through any zone or device

[wizardofoz (Mr Fix It aka The Wiz)]

Do you have any non airplay endpoints…maybe system output on the Mac? see if that works.

Im not sure is airplay 2 is in you setup but more info would help perhaps

I'm having a problem with Roon -- how do I report it?

How To Get In Touch With Roon Support If you’re having a problem with Roon and something isn’t working as expected, you’ll want to make a post in the #support category. To help our team resolve your issue, please make sure to describe the issue, and describe your setup. Describe The Issue When you start a thread in the #support category, make sure to include: What’s not working How often the issue occurs This could be “every time I start the app”, or “every time I click a certain button”,…