Mario Kart 8 Deluxe Update 3.0.3 Extra Quality Jun 2026

Several issues have been addressed to improve the gameplay experience. Behind the Scenes: Netcode and Security Despite the vague official description, data miners such as OatmealDome

: Dataminers, such as OatmealDome, discovered that the update specifically targets a security flaw in the game's netcode . Technical Scope : Addresses a potential buffer overflow issue. mario kart 8 deluxe update 3.0.3