Along with PlayStation Stars releasing in Europe, Sony added a new campaign centered around Ape Escape.
Unlike previous campaigns, This Day is Bananas must be completed today if you want to earn the Banana Boomerang collectible. Thankfully, all players need to do is launch any game. After doing that it should instantly unlock, giving you one of the rarest collectibles in the program.
I launched ps4 and ps5 games in the alotted time and i didnt unlock
Unfortunately, it seems to be a common issue. If it helps, some have solved similar problems by restoring/resyncing titles. Won’t help you with this one, but perhaps a future one.