- From September 1 through September 4, 2023, the Nintendo Live 2023 event was held at the Seattle Convention Center in Seattle, Washington. The event hosted several Super Mario-related attractions, including photo ops with various characters, demo booths of the upcoming Super Mario Bros. Wonder game, and live performances of music from across Super Mario games provided by the Super Mario Super Big Band. The Mario Kart 8 Deluxe Championship 2023 tournament, which took place at Nintendo Live 2023 on September 2, concluded with player Kevo as the winner.
- The Super Mario Bros. Wonder Direct, which announced new details for Super Mario Bros. Wonder (pictured), was broadcasted on August 31, 2023. A Mario Red Edition of the Nintendo Switch – OLED Model was also announced in the Direct and is set to be released on October 6, 2023.
- The third and final DLC expansion for Mario + Rabbids Sparks of Hope, Rayman in the Phantom Show, was released on August 30, 2023.
- On August 21, 2023, Nintendo announced on social media that Charles Martinet, longtime voice actor for Mario, would no longer be doing voice work in future Nintendo titles and will instead become an ambassador for the series.