This is reddiculas things that UI scaling Photoshop in mac is grayed out and unable to enable. I have mac book pro 13 in and because of this disable UI scaling looks very small and unable to do proper work. if you are unable to fix it its wasted my money so if you have proper photoshop developer please fix it out for mac book pro. there are so many people are facing this issue and posted but not proper resolution for mac users.
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