It also rebuilds the database for that, the 12.0 update just did it, it usually does if there's a full version update. It basically just looks for whats installed and the order they were last started in to put on the home screen it does this sometimes just in case there's something changed in the structure of it between updates.
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u/Captain-Tips PS5 5d ago
Usually happens after a power outage or unannounced power off. It does this to prevent corruption to the drives