I have same issue. After upgrading to 14.2 can no longer see Settings -> Video and Audio -> Default Audio Output as a menu item, so by default I can no longer set my homepod as the default audio output.
I CAN select it via control center.
PLEASE FIX THIS as it's annoying to select every time.
They are both in same room under home app. I can not select Default Audio Output in hope app either. It's gone.