Update 1.2.0 for Super Mario Bros Wonder introduces targeted improvements for the Nintendo Switch 2 Edition, alongside general stability refinements. Players on the newer hardware will notice adjustments that make collecting rare decorative flowers more accessible, which should slightly ease progression in customization elements.
In addition, the update expands language support with the inclusion of Thai and implements various backend fixes to improve overall performance. There is also a version compatibility change, meaning players must update to continue using online features without interruption.
Patch Notes
Platform Specific Updates
- Nintendo Switch 2 Edition
- Improved rare decorative flower collection in Park Decoration, making acquisition more accessible
- Added Thai language support via system settings under multilingual options
General Updates
- Added Thai language support for supported systems
- Language can be changed through system settings under language options
- Implemented general adjustments and fixes to improve overall gameplay stability and performance
- Online features now require the latest update to access all functionalities
- Updated version compatibility
- Players on Ver. 1.2.0 can no longer use Room Match with players on Ver. 1.1.0
Super Mario Bros Wonder Ver. 1.2.0 is available as of March 25, 2026, for Nintendo Switch and Nintendo Switch 2. The expanded Nintendo Switch 2 Edition plus Meetup in Bellabel Park launches on March 26, 2026.
Have you noticed these changes? Share your thoughts in the comments!
