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: While 3.0.3 was the latest for a period, it was eventually succeeded by Version 3.0.4 in May 2025, which fixed specific Time Trial sync issues on the "3DS Music Park" course.

: To access the latest features and maintain online play, your version must match the current global standard. You can verify your version by highlighting the game icon on your Home Menu and pressing the + Button . The Future of Mario Kart 8 Deluxe mariokart8deluxeupdate303nsprar exclusive