: You must download version 3.0.3 (or a later version like 3.0.5) to continue playing matches online.
However, as of my current knowledge (and latest game updates), there is no official Nintendo release or patch called “303 extra quality” for Mario Kart 8 Deluxe . update mario kart 8 deluxe 303 extra quality
: Despite some community speculation, technical analysis confirmed there were no changes : You must download version 3
, adding characters like Funky Kong, Pauline, and Peachette. Room Joining adding characters like Funky Kong