Verified patch notes and platform-specific impact from the official source.
Mario Kart 8 Deluxe
Ver. 4.0.0
Sep 1, 2026 · Nintendo Support update tracked by Buffs & Bugs
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What changed for Switch 2
Pulled from the official patch source. Platform-specific evidence appears only when that platform is explicitly named in the notes.
Switch 2 has specific information in the official patch notes.
Official note“Skip Navigation My Support Dashboard Accounts & Purchases Nintendo Switch 2 Nintendo Switch Nintendo Switch Online Apps & Other Products Service Center Search Home Nintendo Switch 2 How to Update Mario Kart 8 Deluxe…”
Official note“Complete these steps Connect your Nintendo Switch 2 or Nintendo Switch console to the internet.”
What officially changed
Latest update: Ver. 4.0.0 (Released September 1, 2026) Support for the Nintendo Switch 2 system Added support for the Nintendo Switch 2 display and high-resolution TVs, allowing for clearer visuals. Shortened the loading time before races and battles begin. Added support for 5–8 players in Multiplayer. You can connect up to seven Nintendo Switch controllers (Joy-Con or Nintendo Switch Pro Controllers) to the Nintendo Switch 2 system. In order to play with eight people, you need at least one Joy-Con 2 controller or a Nintendo Switch 2 Pro Controller. Added CameraPlay support. A USB camera (sold separately) is required to use CameraPlay. Players can turn camera ON or OFF in Multiplayer (2-4 players) and Online Play modes. In order to use a camera on the internet, players must participate in a GameChat session. The camera footage and microphone audio will be sent only to GameChat members. When the camera is ON, the player’s face is displayed during the race. General Increased player speed during races by the equivalent of one coin. Players will not slow down while using Boo to become invisible, even when entering an offroad area. Players with access to the Mario Kart 8 Deluxe – Booster Course Pass will have “96 Races” added to the “VS Race” rule settings.
Read the full official notes ↗What Switch 2 players experienced
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