Major improvements were made to prevent crashes and fix rare save game bugs. Combat Polish: Karate Kick ability was refined for better responsiveness. Bikini Bottom Hub:

Don't settle for the launch day stutters. Update your sponge, grab your cosmic jellyfish net, and enjoy the multiverse the way it was meant to be played—smoothly.

"I was holding off on playing The Cosmic Shake because the stuttering in the hub world was giving me a headache. I just installed the 1.0.5 NSPUPD and it is a night and day difference. It feels like a new game."

update (specifically addressing "nspupd" versioning for Nintendo Switch). Update Overview: Version 1.0.4.0 The most significant update for the game is version 1.0.4.0

Given that Purple Lamp has shifted focus to a potential Battle for Bikini Bottom: Rehydrated sequel, . If you are archiving your NSP collection, this is the "definitive" version to keep.