I had collected all the voidcritter cards. Twice actually, two of every card both the foil and non foil edition.
I put one of both versions into my collection room. It was uploaded unto the gallery...
Ideas
Yeah, I discovered that, too, back around Fall last year. The Gallery does not like to upload upgrades, apparently. It is a real buzzkill for Simmers who like to collect and keep their collections intact afterwards.