From the Super Mario Wiki
- AlphaDream (pictured), creators of the Mario & Luigi series, filed for bankruptcy proceedings on October 1, 2019, citing sluggish sales and increasing development costs.
- Mario Kart Tour was released worldwide on September 25, 2019.
- During the Nintendo Direct on September 4, 2019, Terry Bogard was announced as a DLC fighter in Super Smash Bros. Ultimate, and more information on Luigi's Mansion 3 and Mario & Sonic at the Olympic Games Tokyo 2020 was revealed. Super Nintendo Entertainment System - Nintendo Switch Online was also announced for release on September 5 in the Americas and September 6 in Japan, Europe, and Australia, with Super Mario World, Super Mario Kart, and Super Mario World 2: Yoshi's Island being among the 20 launch titles.
- Mario & Sonic at the Olympic Games Tokyo 2020 has been announced for release on November 1, 2019 in Japan, on November 5, 2019 in the Americas, and on November 8, 2019 in Europe, and Australia. A new trailer was shown, showing a story mode and new events.