The latest update for PulseAudio (v14.2-2 to v14.2-3) was included in [Stable Update] 2021-04-09
If PulseAudio is not working after an update, clearing old user settings might get audio working again
Delete Pulseaudio user settings databases and cookie, then reboot system so new user files are created
rm ~/.config/pulse/*.tdb ~/.config/pulse/cookie && reboot