OFFICIAL UPDATEWhat the developer says changed
See official changes ↓Verified patch notes, affected platforms and developer-listed issues.
PATCH REPORT
Mario Kart 8 Deluxe
Ver. 4.0.0
Sep 1, 2026 · Nintendo Support update tracked by Buffs & Bugs
SwitchSwitch 2
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Issue signals across platforms
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StabilityNo strong signal
0PerformanceNo strong signal
0OnlineNo strong signal
0VisualsNo strong signal
0📋 OFFICIAL UPDATEWhat the developer documented
What this patch may affect on your system
Pulled from the official patch source. Platform-specific evidence appears only when that platform is explicitly named in the notes.
SwitchPlatform mentioned
Switch has specific information in the official patch notes.
Online
Official note“Skip Navigation My Support Dashboard Accounts & Purchases Nintendo Switch 2 Nintendo Switch Nintendo Switch Online Apps & Other Products Service Center How to Update Mario Kart 8 Deluxe Nintendo Switch 2, Nintendo…”
Online
Official note“A Nintendo Switch Online membership is required to use the game's online features.”
Online
Switch 2Platform mentioned
Switch 2 has specific information in the official patch notes.
Online
Official note“Skip Navigation My Support Dashboard Accounts & Purchases Nintendo Switch 2 Nintendo Switch Nintendo Switch Online Apps & Other Products Service Center How to Update Mario Kart 8 Deluxe Nintendo Switch 2, Nintendo…”
Download / Install
Official note“The update will download and install automatically if the console is connected to the Internet and the Software Auto-Updates setting is enabled on your Nintendo Switch 2 or Nintendo Switch console.”
OnlineDownload / Install
PATCH AT A GLANCE
Official source ↗Quick take
Added support for the Nintendo Switch 2 display and high-resolution TVs, allowing for clearer visuals.
AffectedSwitch · Switch 2
Main focusSupport for the Nintendo Switch 2 system · General
- 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.
What officially changed
Support for the Nintendo Switch 2 system
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Added support for the Nintendo Switch 2 display and high-resolution TVs, allowing for clearer visuals.
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Shortened the loading time before races and battles begin.
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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.
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Added CameraPlay support. A USB camera (sold separately) is required to use CameraPlay.
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Players can turn camera ON or OFF in Multiplayer (2-4 players) and Online Play modes.
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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.
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When the camera is ON, the player’s face is displayed during the race.
General
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Increased player speed during races by the equivalent of one coin.
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Players will not slow down while using Boo to become invisible, even when entering an offroad area.
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Players with access to the Mario Kart 8 Deluxe – Booster Course Pass will have “96 Races” added to the “VS Race” rule settings.
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