zeus@9600k:~$ cat bin/pipewire_start.sh 
#!/bin/bash

# Added to start pipewire on login to desktop
# https://dev1galaxy.org/viewtopic.php?id=5867
# was the ~/.xsessionrc -rw-rw-r-- permissions
# now ~/bin/pipewire_start.sh executable permissions
# as bash script loaded from KDE autostart in System Settings

# kill any existing pipewire instance to restore sound
pkill -u "$USER" -fx /usr/bin/pipewire-pulse 1>/dev/null 2>&1
pkill -u "$USER" -fx /usr/bin/wireplumber 1>/dev/null 2>&1
pkill -u "$USER" -fx /usr/bin/pipewire 1>/dev/null 2>&1

exec /usr/bin/pipewire &

# wait for pipewire to start before attempting to start related daemons
while [ "$(pgrep -f /usr/bin/pipewire)" = "" ] ; do
   sleep 1
done

# start wireplumber
exec /usr/bin/wireplumber &

# start pipewire-pulse
exec /usr/bin/pipewire-pulse &