The Nintendo Switch version remains at the original standard established during its 2018 release. Here is the current status of the game:
If you are running the game via an installed NSP (Nintendo Submission Package) or XCI, missing this update means you are playing an inferior version. LEGO Harry Potter Collection Switch NSP UPDATE
LEGO Harry Potter Collection Storage Requirements on Nintendo Switch The Nintendo Switch version remains at the original
If you have a modded Switch and a legitimate base dump, follow these steps to apply the update: LEGO Harry Potter Collection Switch NSP UPDATE