I had gained No Transfer Windows, Design A Son, No Loan Restrictions, No Sacking, Attribute Masking, and a few others. Now the unlockables option is just completely gone from the menu. I tried checking in the PS Store option, thinking they might be in My Wallet. Only No Sacking and Attribute Masking were there. I had just unlocked Design A Son last night and was sad to find I couldn't try it out this morning after the recent PS5 update.