I built a new PC recently and installed Windows 11 on it. The bluetooth & sound UIs were completely broken. I had two headsets connected, one was displaying as

I built a new PC recently and installed Windows 11 on it. The bluetooth & sound UIs were completely broken. I had two headsets connected, one was displaying as "Default for audio" but sound was coming through on the other one, and for the life of me I could not figure out how to change sound to the other headset. I think it wasn't showing up in the Sound menu despite clearly showing as connected (disconnecting and reconnecting didn't help). Definitely agree with the sentiment to hold off on the upgrade as long as possible.