I’d been a subscriber since the beginning. I sent an email to Disney Store Guest Services and received the same info.
“Regrettably, the Disney Park Pin Pack has been discontinued as of 12/31/2018. I’m so very sorry about that!”
In my account, it still shows the next billing date as 1/23/2019 and shipment date 1/29/2019. Poor management.
Disney Store should’ve at least let subscribers know the program was ending.