Since the release of 3.0.3, Nintendo has issued subsequent updates, including version 3.0.4 (May 13, 2025) and version 3.0.5 (May 21, 2025), which addressed specific bugs in the "3DS Music Park" course. Security Warning for External Files
The update did not introduce any changes to graphics, sound, game balance, or character performance. Compatibility and Updates Mario-Kart-8-Deluxe-Update-3.0.3.NSP.rar
Before this patch, the "KartLANPwn" exploit could potentially allow a remote attacker on the same network to cause a denial-of-service or even execute remote code on a victim's console. Since the release of 3