Mario Kart 8 Deluxe Switch Nsp Xci Update 30 Work Jun 2026

Patch notes specifically mention stability improvements for online play.

(or the subsequent 3.0.4 and 3.0.5) requires careful handling of file formats (NSP/XCI) and installation order to ensure the game remains playable. Version 3.0.x Update Overview Performance & Fixes mario kart 8 deluxe switch nsp xci update 30 work