Luigi-mansion-3-nsp-update-1---40-1--41-.4.0-mu... -

If you have been playing on v1.3.0, updating to v1.4.0 is significant. Here is exactly what changes:

You might see filenames similar to Luigi-Mansion-3-NSP-Update-1---40-1--41-.4.0. What does this actually mean? Luigi-Mansion-3-NSP-Update-1---40-1--41-.4.0-Mu...

If you own a retail Switch with no modifications, you do not need to deal with NSP files. Simply: If you have been playing on v1

The only downside is that you cannot access v1.4.0 independently; you will skip straight to 1.4.1. The only downside is that you cannot access v1