Booster Course Pass - Wave 6 will add eight new tracks and four new characters to the kart racer.
In addition to eight new tracks, the kart racer's final DLC drop will also add four new racers with Diddy Kong, Funky Kong, Pauline, and Peachette.
The kart racer's penultimate DLC drop will add eight new courses and three returning courses to its ever-growing offerings.
Among the eight new tracks being added with Wave 5, one will be a brand new track, while three characters are also being added.
Nintendo says the kart racer's penultimate DLC launch is not far away now- though a release date remains unannounced.
Wave 4 will add eight new tracks to the kart racer, one of which – Yoshi's Island – will be an entirely new track.
The DLC Wave adds Yoshi's Island, a brand new course and a new playable character with Birdo from Mario Kart: Double Dash!!
The upcoming wave of new content will add eight more courses, Maple Treeway, 3DS Rainbow Road, Boo Lake, and more.
Mario Kart 8 Deluxe will be adding eight more tracks when the third wave of its expansion pass launches later this year.
Wave 2 of the Booster Course Pass has now gone live for the kart racer, bringing eight new tracks across two cups.
Along with seven tracks from previous Mario Kart titles that have been remastered, a brand new course called Sky-High Sundae is also coming.
These will all be playable online and locally, even if you don't own the Pass or Nintendo Switch Online + Expansion Pack.