No sound at all on git-master

There's no sound output at all on git-master as of 9e094611. Pavucontrol:

It must be commit made in the last 24 hours before 9e094611. Downgrading to 0.3.22 and upgrading to latest master (9e094611) fixes and introduces the issues again.

Errors in systemd pipewire-pulse:

● pipewire-pulse.service - PipeWire PulseAudio
     Loaded: loaded (/usr/lib/systemd/user/pipewire-pulse.service; disabled; vendor preset: enabled)
     Active: active (running) since Tue 2021-02-23 19:51:02 CET; 1min 27s ago
TriggeredBy: ● pipewire-pulse.socket
   Main PID: 1224 (pipewire-pulse)
     CGroup: /user.slice/user-1000.slice/user@1000.service/session.slice/pipewire-pulse.service
             └─1224 /usr/bin/pipewire-pulse

Feb 23 19:51:02 siezi-dt systemd[751]: Started PipeWire PulseAudio.
Feb 23 19:51:15 siezi-dt pipewire-pulse[1224]: pulse-server 0x55e264d47f80: [PulseAudio Volume Control] ERROR command:87 (EXTENSION) tag:12 error:19 (Operation not supported)
Feb 23 19:51:15 siezi-dt pipewire-pulse[1224]: pulse-server 0x55e264d47f80: [PulseAudio Volume Control] ERROR command:87 (EXTENSION) tag:13 error:19 (Operation not supported)
Feb 23 19:51:15 siezi-dt pipewire-pulse[1224]: pulse-server 0x55e264d47f80: [PulseAudio Volume Control] ERROR command:87 (EXTENSION) tag:14 error:19 (Operation not supported)
Feb 23 19:51:15 siezi-dt pipewire-pulse[1224]: pulse-server 0x55e264d47f80: [PulseAudio Volume Control] ERROR command:87 (EXTENSION) tag:15 error:19 (Operation not supported)
~

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Operating System: EndeavourOS
KDE Plasma Version: 5.21.0
KDE Frameworks Version: 5.79.0
Qt Version: 5.15.2
Kernel Version: 5.10.16-zen1-1-zen
OS Type: 64-bit
Graphics Platform: Wayland