As of the latest available information, Mario Kart 8 Deluxe on the Nintendo Switch has received several updates, with the latest being version 1.3.0 or more recent, depending on the region. These updates have addressed various issues, added new content, and improved overall gameplay.
This update specifically targeted soft-locks and graphical errors found in the Wave 6 tracks: mario kart 8 deluxe switch nsp xci update 30 work
: You can now join multiplayer rooms without being friends by using a Staff Credits As of the latest available information, Mario Kart
Use a tool like hactool or NSZip to ensure the update is truly for 0100152000022800 (the correct Title ID). Avoid “repack” XCIs that claim to include everything. As of the latest available information
Here is a verified workflow for getting everything running. Disclaimer: This is for educational purposes with legally obtained backups.