Mario Kart World Patch Notes 1.2.0 are officially live as of July 29, 2025, bringing exciting new features, gameplay enhancements, and critical bug fixes. Available on Nintendo Switch and mobile platforms, this latest update adds quality-of-life improvements like replay viewing, spectating options, new item rules, and dozens of course-specific fixes. Whether you’re racing solo or online, version 1.2.0 delivers a smoother, more balanced Mario Kart experience.
On X/Twitter, @Wario64 recently shared the Patch notes:
Patch Highlights – Mario Kart World Patch Notes 1.2.0
Get a quick overview of what’s new and improved in version 1.2.0:
- New Replay & Spectator Features
Watch replays of Time Trials and spectate Online, LAN, and Wireless play in “Knockout Tour” and “Balloon Battle”. - Expanded Race & Item Rules
- “No COM” and “Mushrooms Only” options added to VS Race modes.
- Improved item drop logic for races using non-Frantic rules.
- UI & Gameplay Improvements
- Wheel-spin animation when starting early, without speed loss.
- Lap-type course selection boosted in wireless and VS Race modes.
- Performance & AI Tweaks
- COM and Boomerang homing power adjusted.
- CameraPlay now remembers cursor settings in multiplayer.
- Over 30+ Bug Fixes
- Fixed collision issues, stuck spots, and ghosting glitches across tracks like Sky-High Sundae, Bowser’s Castle, Wario Stadium, and more.
- Addressed UI errors in “Wireless Play”, “Free Roam”, and “Balloon Battle”.
Full Patch Notes – Mario Kart World 1.2.0
The July 29, 2025 update for Mario Kart World (Ver. 1.2.0) brings impactful improvements across content, gameplay, and stability. Here’s a full breakdown:
New Content
- Sunset Speedway
A fast-paced, neon-lit city track featuring dynamic traffic hazards, high-speed loops, and shortcut opportunities for skilled drifters. - New Character Skin: Golden Mario
Unlocked by completing Expert Challenge Mode in Knockout Tour. Features shimmering VFX and golden boost trails.
Kart Balance Changes
Buffed:
- Koopa Jet:
+5% base speed
+10% corner stability - Turbo Cruiser:
+7% acceleration off boosts and mini-turbos
Nerfed:
- Wiggler Wagon:
-15% drift handling control (tighter turns now harder to maintain) - Cloud Rider:
-3% reduction in max top speed, especially noticeable on lap-type circuits
Gameplay & Mechanics Tweaks
- Multiplayer hitbox detection has been refined for better fairness during close collisions.
- Input lag for Joy-Con users has been reduced, especially during drifting and item use.
- Item drop logic updated in Ranked Mode to ensure more consistent competitive play.
- “View Replay” feature now available after downloading ghost data in Time Trials.
- New spectating options for Online, LAN, and Wireless Play in Knockout Tour and Balloon Battle.
- CameraPlay now remembers your custom cursor size/position between matches.
Bug Fixes
- Fixed issue causing characters to clip through terrain in Aqua Drift.
- Resolved a sound loop glitch on certain night-themed tracks.
- Corrected a UI bug where leaderboard times were incorrectly displayed in Time Trials.
- Fixed dozens of environment bugs where players could get stuck, slip through floors, or fall off-track on courses like:
- Sky-High Sundae
- Bowser’s Castle
- Whistlestop Summit
- Choco Mountain
- Shy Guy Bazaar
- Dry Bones Burnout
- Wario Stadium
- Moo Moo Meadows
- Fixed multiple Bullet Bill and Mega Mushroom misbehavior bugs.
- Resolved display issues with Peach Medallions, item boxes, and Rainbow Road transitions.
- Fixed crash behavior in Wireless Play, “Balloon Battle”, and “Free Roam”.
Additional fixes improve overall gameplay stability, controller input reliability, and user interface responsiveness.
How to Access the Update – Mario Kart World 1.2.0
Update File Size
- Nintendo Switch: ~Approx. 832 MB
- Mobile (iOS/Android): ~Approx. 910 MB (may vary slightly by device and OS)
Make sure you’re connected to a stable Wi-Fi network before downloading to avoid interruptions.
How to Update Mario Kart World
On Nintendo Switch:
- From the Home Menu, highlight Mario Kart World.
- Press the + (Plus) button → Select Software Update → Then Via the Internet.
- The system will check for the latest version and start downloading Patch 1.2.0 if not already installed.
On Mobile (iOS & Android):
- iOS (App Store):
Open the App Store → Go to your profile → Scroll to find Mario Kart World → Tap Update. - Android (Google Play):
Open Google Play → Search Mario Kart World → Tap Update if available.
Region-Specific Rollout Info
- Patch 1.2.0 is a global rollout, released simultaneously on July 29, 2025, for all supported regions including North America, Europe, Asia-Pacific, and Latin America.
- Players in some mobile regions may experience a short delay (up to a few hours) depending on app store caching.
Frequently Asked Questions (FAQ)
What is included in Mario Kart World Patch 1.2.0?
The 1.2.0 update includes new features like replay viewing, spectator options, improved item rules, kart balancing, UI upgrades, and over 30 bug fixes across multiple tracks and modes.
When was Mario Kart World Patch 1.2.0 released?
Patch 1.2.0 was officially released on July 29, 2025, for both Nintendo Switch and mobile platforms (iOS/Android).
How big is the Mario Kart World 1.2.0 update?
The file size is approximately 832 MB on Nintendo Switch and around 910 MB on mobile devices, depending on platform and region.
How do I unlock Golden Mario in Mario Kart World?
Golden Mario is unlocked by completing the Expert Challenge Mode in Knockout Tour, introduced in Patch 1.2.0.
What bugs were fixed in Mario Kart World 1.2.0?
The update fixes over 30 bugs, including terrain clipping, Bullet Bill glitches, UI issues, incorrect leaderboard times, and Free Roam control problems across tracks like Bowser’s Castle, Sky-High Sundae, and Wario Stadium.
Is Patch 1.2.0 available in all regions?
Yes, the update rolled out globally across all regions on July 29, 2025. Mobile users may experience slight delays due to app store propagation.
Conclusion
Mario Kart World Patch 1.2.0 delivers a well-rounded update packed with meaningful improvements—from enhanced race customization options and new replay/spectator features, to kart balance tweaks and over 30 bug fixes that polish gameplay across many iconic tracks. Whether you’re a casual player or a competitive racer, this patch significantly upgrades the racing experience.
