If you are running a modded Switch with custom firmware (like Atmosphere or SX OS), applying the update involves these general steps:
If you want, I can:
Yes, NSP updates are cumulative. You do not need to install 1.0.1 or 1.0.2 first. doom nsp update 103
That said, the NSP scene persists because many physical cartridges are no longer in print. For preservationists dumping their own games, generating an NSP of the 1.0.3 update is a way to ensure their hardware can run the game a decade from now. If you are running a modded Switch with
Several technical issues have been addressed to smoothen the gameplay: Reduced Input Latency: I can: Yes