Igor Kovalenko managed to identify the problem, and and fixed it. See https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/1354 for details.
** Bug watch added: gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues #1354 https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/1354 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1971632 Title: Kubuntu 22.04, Bluetooth Headphones connect automatically, then immediately disconnect; pulseautio crashes every time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1971632/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs