: Addressed early bugs, specifically fixing out-of-bounds glitches on the world map that were present at launch. Understanding File Formats: NSP vs. XCI
: A targeted update for the Nintendo Switch 2 Edition that includes minor "adjustments and fixes" to improve the user experience. super mario bros wonder switch nsp xci update fixed
Super Mario Bros. Wonder : Complete Guide to Updates, Performance Fixes, and File Formats : Addressed early bugs
: Added Polish language support and introduced amiibo compatibility in preparation for the Switch 2 expansion. super mario bros wonder switch nsp xci update fixed
Nintendo has consistently refined the experience through multiple software versions. As of early 2026, the game has reached the following milestones: