opensuse 42.2 pulseaudio 9.0 bluez 5.41 bluedevil 5.8.2 in kde multimedia settings headset is well listed and active in pavucontrol headset is "default alternative" and port "headset(pluggeg in)" when connecting headset via buetooth then sound is not automatically switched from loudspeaker to headset in kde multimedia settings i must put in high priority headset according to get automatically sound switched to headset.
opensuse 42.3 pa 10.0 no more problem