Haven't used the 18i20. But I also use jack. I've much more luck with jack
and pulseaudio bridges for system and app playback. Even my Behringer
umc404hd has some quirks with pulse. Jack seems to clean up some of that.
Being able to set bit rate and handling conversions for apps like obs.
On Fri,
I'm in the process of starting my linux audio channel on youtube. Been
using linux as my daily driver and for audio production for almost a year.
I'll be doing tutorials on how to do various setups for audio in linux as
well as product reviews. That means, I'll have information on interfaces
and mi