Sometimes, despite having installed the latest update, a game might still prompt you to update. This is a known issue that can occur with various Switch titles. Forums are rife with reports of this, with one user describing, "Says I need to update, but the game is already updated".
Rayman Legends: Definitive Edition remains one of the best 2D platformers of recent years — tight controls, inventive level design, and superb visual and audio polish. The Definitive Edition bundles nearly all DLC, adds Switch-specific features (touch/gyro in some modes), and runs smoothly on console hardware; the NSP update labeled "HOT" likely refers to a recent community or patch release for NSP-format distribution rather than an official Ubisoft patch. rayman legends definitive edition nspupdate hot