So, I reconciled the installation process in two commands:
yay -Rs manjaro-pulse pulseaudio pulseaudio-alsa pulseaudio-equalizer pulseaudio-jack pulseaudio-lirc pulseaudio-rtp pulseaudio-zeroconf pulseaudio-bluetooth pulseaudio-ctl sof-firmware
yay -S manjaro-pipewire pipewire-jack-dropin
Optional default: pipewire buffersize/samplerate, latency.
echo ‘export PIPEWIRE_LATENCY=“128/48000”’ >> ~/.profile
Everything works awesome, no xruns, “Ardour” works fine. “Catia” and “Carla” works fine.
P.S.: I don’t use pulseffects, so I don’t need these two packages: gst-plugin-pipewire pulseeffects