Mario Kart 8 Deluxe 4.0.0 update out now, patch notes – Nintendo Switch 2 improvements and features, more

Nintendo has rolled out version 4.0.0 for Mario Kart 8 Deluxe, a substantial update that extends the racer's reach to the newly launched Switch 2 hardware. The patch brings technical improvements across both platforms, including faster load times, while adding fresh functionality tailored to Nintendo's next-generation console. The update is available as a free download for existing players.

The timing underscores Nintendo's commitment to keeping the Switch's flagship racing title relevant across its hardware ecosystem. Rather than positioning Mario Kart 8 Deluxe as a last-generation holdover, the company is ensuring continuity for the Switch 2's early adopters while the new platform's game library continues to expand.

• Version 4.0.0 adds Switch 2 compatibility, allowing owners of the new console to play Mario Kart 8 Deluxe with enhanced features specific to the hardware.
• Load times have been reduced as part of the technical optimization pass.
• The update is free for all players, maintaining accessibility across both Switch and Switch 2 versions.