PulseAudio: digital profiles/ports no longer appear in pavucontrol

Until recently I could use pavucontrol to select a device's digital profile (in the configuration tab) or port (in the "output devices" tab). That latter tab also allowed me to indicate what formats a device was capable to handle beyond PCM. These possibilities have disappeared, I can't exactly say when so I can't link it to something I may have (un)installed but I do know that I haven't updated PulseAudio (v16.1) nor pavucontrol (v5.0). Last changes I can remember making to /etc/pulse/default.pa was disabling Jack functionality as well as Bluetooth support. EDIT: Upgrading to PA 16.99.1 or downgrading to 13.99.1 didn't change anything so we must be dealing with something external OR a configuration change. Does PulseAudio need to have specific modules loaded in order to support digital device profiles/ports, and if so, which?