While the game's major content cycle ended in late 2021 with the release of (Ver. 13.0.0), subsequent patches have focused on stability and minor corrections:
: Fixed an issue where thumbnails would not display correctly when creating and saving new Mii Fighters after the transition to "Switch 2" hardware. Super Smash Bros. Ultimate Switch NSP MISE A ...
: Resolved an issue where Mii Fighter thumbnails were not generating correctly during creation or modification. While the game's major content cycle ended in
: Improved loading times for Classic Mode, Spirits, and alternate costume selections when played on newer hardware. How to Install NSP Updates (Mise à Jour) the most recent update is
As of early 2026, the most recent update is , which was released in June 2025. This version primarily addressed: