Nintendo has released an update for Super Mario Bros. Wonder, pushing the wonderful 2D platformer to Version 1.2.1. The patch notes for the update are about as vague as they come, making “adjustments and fixes” to the Nintendo Switch 2 Edition, which launched last month. No changes were made to the original Nintendo Switch version.
Latest update: Ver. 1.2.1 (Released April 15, 2026)
The following updates have been made when playing the game on Nintendo Switch 2:
General
- Adjustments and fixes have been made to the Nintendo Switch 2 Edition to improve the gameplay experience.