I have been a ROON Lifer even before the product was released, so maybe 10 years now.
A few things I have learned.
1) If you are updating the software and things are not running as expected, then reboot the ROON Core. This has become less of an issue, and I cannot remmber the last time I rebooted.
2) If you are running hi-res streams then make sure you have enough bandwidth.
At one time I have my ROON core on the wrong side of my PowerLine adapter part of my home network. Playing hi-res resulted in intermittent drops. I moved the Core to the Ethernet side of my home network and that solved the hi-res issues for me.
3) I am using a cheap $500 DELL PC to run my Core. At one time I had 3 zones, Grouped some for DAC evaluations. I occasionally ran hi-res and I also had CONVOLUTION filters running inside the CORE. This is all heavy data processing. It worked fine with the cheap computer.
ROON software is genius level audio code. However, it is code, and code evolves sometimes with glitches.
BTW - if anyone needs to use a BALANCE control for their system. Try ROON's and compare with an analog solution, such as a preamp. ROON's is spectacular.