Apparently it's not just us, this is an upstream change. Dave Jones found this: https://www.raspberrypi.org/blog/latest-raspberry-pi-os- update-may-2020/
To select headphones, the recommended process is now to create a file called .asoundrc in your home dir with these contents: defaults.pcm.card 1 defaults.ctl.card 1 ** Changed in: linux-raspi (Ubuntu Focal) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1889468 Title: 20.04.1 selecting audio output device does not work on rpi To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1889468/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs