Hi @benbrantley and everyone @here, thanks for reporting the issue and your comments.
First of all, please try following guidelines about general issues related to “Audio over USB”:
They can be found in Release Notes above, under KNOWN ISSUES: point about “Audio / MIDI over USB”
Please let us know if this fixes the problems. It’s also worth saying there are two other known issues logged in Backstage related to USB audio:
Besides this, general audio playback and recording over USB should work well if you follow the guidelines already mentioned. If you’re still having issues, please log a Bug with more specific case(s) when it fails.
Unfortunately, we cannot reproduce this case. It might be related to the project or settings you’re using. Please attach both here and we’ll try to investigate further.