The latest version (v1.0.3 is common), which addresses technical issues like the "flashing light" bug present at launch. DLC (NSP):
While "NSP" and "ROM" are terms often used in the modding community, downloading pirated copies of games or updates is illegal. Official updates are freely available through the system's standard update feature for anyone who owns the game. finding hidden statues within the Wonderworld stages? balan wonderworld switch rom nsp update hot