Before diving into files and firmware, we must define "better." A standard retail copy of Mario Kart 8 Deluxe suffers from three silent killers:
The search for is a quest for perfection. The latest update (v3.0.1) delivers that perfection by smoothing out performance, doubling the original track count, and stabilizing netcode for the best local and online play possible.
The most compelling reason to update your game is the addition of the Booster Course Pass content. While the base game features 48 tracks, the latest updates unlock an additional 48 remastered courses from across the history of the Mario Kart franchise.