Mario Kart 8 is truly the "evergreen" of Nintendo, which originally landed on the Wii U on May 29, 2014, after which Nintendo launched a fully enhanced version of Mario Kart 8: Deluxe Edition on the Switch platform on April 28, 2017, and last year, Mario Kart 8: Deluxe Edition officially surpassed Mario Kart Wii as the best-selling game in the series, selling 38.74 million copies.

However, it's been almost 8 years since this flash, and Mario Kart 9 is still missing...
And now, we finally have some news about Mario Kart 9, from Tokyo analyst Dr. Serkan Toto wrote that Mario Kart 9 is currently being "actively developed" within Nintendo. Toto also mentioned in GamesIndustry.biz that Mario Kart 9 will have "a new twist" and is expected to be exhibited this year.
Regarding the sequel to "Mario Kart", previously, the well-known uncle party had revealed that the new work of "Mario Kart" may be called "Mario Kart 10", rather than "Mario Kart 9", which is a bit mysterious, "Carriage 9" has not yet come out, first come to "Carriage 10"? Was Carriage 9 eaten by Nintendo? (Funny emoticons)