The latest scene release also includes a hotfix for title ID conflicts. If you were using an older base NSP (from March 2022), this update prevents the "The software was closed because an error occurred" crash on firmware 18.0.0+.
Persona 4 Arena Ultimax (Switch) – NSP + Latest Update (Hot) persona 4 arena ultimax switch nsp update hot
Persona 4 Arena Ultimax — Switch NSP update: A new NSP release for the Nintendo Switch has surfaced, claiming to add the latest patch and balance updates for Persona 4 Arena Ultimax. The update reportedly includes bug fixes, gameplay balance adjustments, and minor UI tweaks to match recent community patch notes. As with unofficial NSP files, installing or using them can carry legal and security risks; obtain updates through official channels whenever possible. The latest scene release also includes a hotfix
As of this writing, the latest update for P4AU on Switch is (released April 2023). This is the “hot” update you need. The update reportedly includes bug fixes, gameplay balance