Mario Kart 8 Deluxe Update 3.0.3 Updated Jun 2026

A lack of new content is actually a sign of a healthy, mature game. Mario Kart 8 Deluxe is now a masterpiece library title. With 96 tracks, 48 characters, 40+ vehicles, and a perfectly stable online infrastructure (post 3.0.3), the game serves its purpose.

The Booster Course Pass proved to be a smart way to extend the life of the game, adding in a significant amount of content that first appeared in the mobile game Mario Kart Tour. With the DLC complete, attention turned to what Nintendo might do next for the series.

This buffer overflow vulnerability was later confirmed to be a security bug officially named , registered as CVE-2024-45200 (Common Vulnerabilities and Exposures). mario kart 8 deluxe update 3.0.3

This version did not include any changes to graphics, sound, game balance, or new content like tracks or characters.

Rumors have been circulating about potential new characters, tracks, and game modes. Some fans have speculated that Nintendo may release a new wave of DLC, building on the game's existing content. Others have suggested that a potential sequel or spin-off could be in development. A lack of new content is actually a

Nintendo’s official patch notes are famously minimalist. For 3.0.3, the company posted the following (paraphrased from the Japanese and American support pages):

Over the course of six waves, Nintendo added a total of 48 new courses to the game, drawing from classic tracks from across the Mario Kart series' history. These included fan-favorites such as Wii Rainbow Road, GCN DK Mountain, and 3DS Rosalina's Ice World, among many others. By the time the final wave was released in November 2023, the total track count had ballooned to an astounding 96 courses, effectively doubling the content available in the base game. New characters were also added to the roster during these updates, further expanding the already impressive lineup. The Booster Course Pass proved to be a

The rollout included scheduled server maintenance, which was necessary to implement these online connectivity fixes. How to Install the Update Connect your Nintendo Switch to the internet.

Enhanced network stability to reduce communication errors during regional and worldwide matchmaking. Hidden Changes and Under-the-Hood Fixes