The logic for Credit Card Expiration notifications has been updated to issue notifications in scenarios where a customer was previously on auto-pay with their expired card, but the new active card is not set to auto-pay. Previously, credit card expiration notifications were not issued in situations where a customer was on auto-pay with their expired card, but the new card wasn't set to auto-pay.
Pathway: Setup > System > Notification Template > Credit Card Expiration (Type)