I just purchase a mac mini M1 which is running Big Sur and its sole purpose is for AI & PS and a Wacom Cintiq. I have installed every current update and driver. When I run Ai and set up a workspace and begin to use tools like the pen tool, the entire work area goes either all white or all blue. I am still able to see the menu, toolbar, and rulers but the rest of the screen goes either white or blue. The screen returns to normal once I delete the art or line segment that was just created. I have tried unplugging the Wacom and just using a monitor, but the same glitch occurs.