I notice the keyword you provided ("supermariopartyjamboreeupdate111nsprar work") appears to be a mashed string of terms that does not correspond to an actual, known software update, game patch, or official Nintendo release.
Enhanced Online Features: With NSPRAR Work, Nintendo could bolster the online experience, making it easier for friends to join or create parties, complete with better matchmaking and social features. supermariopartyjamboreeupdate111nsprar work
Primary Fix: Online StabilityThe core of this update was a fix for a highly specific bug in Minigame Bay. Previously, when creating a "Tag Match" room for worldwide online play, the game would sometimes fail if the host’s nickname was a certain length. This would cause a "There are no other participants" error and force players back to the Party Plaza or crash the software for guest participants. Install to NAND (not SD) for fastest loading
Smoother online performance for your 20-player Koopathlon and Bowser Kaboom Squad runs. complete with unique challenges and secrets.
Highlight the Super Mario Party Jamboree icon on the HOME Menu. Press the + Button or – Button on your controller. Select Software Update and then Via the Internet. How to Update Super Mario Party Jamboree - Nintendo Support
Themed Boards: Expect new, vibrant boards that showcase different worlds from the Mario universe, complete with unique challenges and secrets.