Looks like along with the cargo cover, the trunk has more carpeted areas that extends to the rear seatbelts which eliminates the seatbelt rattling against the plastic.
Old:
New:
As you can see the carpet extends up the side and to the side of the rear seats. This seems to only be with Y's delivered with a cargo cover.
Old:
New:
As you can see the carpet extends up the side and to the side of the rear seats. This seems to only be with Y's delivered with a cargo cover.