Nintendo has officially released the Version 3.0.1 update for Mario Kart 8 Deluxe, featuring a variety of fixes to the massively popular racing game. Since the newest entry in the Mario Kart franchise released just over a month after the Switch's launch, the game has stood as arguably the most popular game on the console. A recent report from Nintendo revealed that Mario Kart 8 Deluxe remains the Switch's best-selling game, leading second-place Animal Crossing: New Horizons by more than 14 million units sold. Now, Nintendo is rolling out the next update for the beloved game.