Same issue and ditto for fellow players who've mentioned it anecdotally.
I can collect coins and see how guests are currently present (e.g. 10/10) but not their avatars. Sound is fine, just the graphics bug that's been ongoing since 18/11.
O/S: Win 10 Pro using Opera v. 56 on PC/laptop.
Copied from a group msg I just posted back in Dunarsund:
"Interestingly, unlocking Tavern upgrades seems to "fix" the missing Tavern patrons graphics issue as I discovered when buying a new tablecloth. Dunno if it's permannet tho til some new patrons arrive "