Hi there! We have some updates to provide you with regarding
macOS Big Sur 11.0

Painter 2021 (available as both a perpetual and Corel subscription license) is compatible with macOS Big Sur 11.0. and the new Mac models with M1. Other versions of Painter, including the Mac app store edition, are not compatible with macOS Big Sur 11.0 or M1 and can only be used with the versions of macOS 10.x they were designed for. You can find more info about the Painter desktop product and upgrading here:  https://www.painterartist.com/painter  

Painter Essentials 8 released on February 16th and we are happy to inform you that it is compatible with M1 and Big Sur. The previous versions of Painter Essentials were designed specifically for macOS 10.x operating systems and unfortunately are not compatible with the newly released macOS 11.0 or the new Mac models with M1

The Painter Team