Yesterday, Nintendo premiered a new Direct that featured only Super Mario Maker 2. They revealed several features, including new objects/tools, themes, multiplayer, and online features. The game is set to release June 28th, 2019 for 59.99 MSRP. If you missed the direct, watch it here.
Nintendo Direct | May 15, 2019
Source: https://youtu.be/jPi-u0D8sQ4