As of April 2026, the latest official version for Mario Kart 8 Deluxe on the Nintendo Switch is Version 3.0.3
Apply Update 3.0.x:
Install the v3.0.x update file on top of the base game. This merges the latest code with your base installation.
In the context of the Switch modding and preservation scene, specific update versions are critical. Update v30 is particularly significant for the following reasons:
If you are looking for the last version with major content additions, version 3.0.0 (released November 2023) added:
NSP
An (Nintendo Submission Package) is a digital title file, identical to what you download from the Nintendo eShop.
New Characters:
Funky Kong, Pauline, Peachette, and Diddy Kong.
When searching for a proper dump (theoretically, for educational/backup purposes), look for these file characteristics: