The Super Mario Party Version 1.1.0 update is a major milestone that finally brings full online multiplayer to the game's core modes.
So the search string represents a split reality:
One group enjoying a long-awaited feature via official channels. Another group (often with modded Switches or emulators) reverse-engineering that same joy. super mario party switch nsp update 110
If you are looking for content related to the newest entry in the series, Super Mario Party Jamboree (released late 2024), its updates are separate. Jamboree has introduced new characters like Pauline and Ninji and recently received a Jamboree TV Upgrade Pack in 2025 which added 20 new minigames and special camera-controlled modes. Nintendo Switch™ 2 Edition + Jamboree TV Upgrade Pack The Super Mario Party Version 1
The update quietly added two new playable characters (though some debate whether they were technically on the cart but locked): A hackable Nintendo Switch (Erista units before patcher,