How to fix cursor flickering issue in photoshop or on Mac Studio

Cursor position updates on screen are done with processor cycles, at low priority in the background.

when the cursor flickers, it tells you too much "other stuff" is going on to see smooth transitions.

If you have a browser open, quit the browser when editing.

By far the easiest way to cause poor performance, instability, overheating and crashing is to install ANY third-party speeder-uppers, Cleaners, Optimizers, or Virus scanners. or a VPN that you installed yourself. The main reason is that they are relentless in scanning your files, non-stop, looking for things virus-like patterns in Everything. When completed, they do it all again.