leds2097726​ I get that you are completely enraged and I would be too. And you have someone here who is willing to work with you to get it fixed. There must be something more going on here. If we can't reproduce the problem, we can't fix the problem. We can reproduce performance issues with Rulers on and at certain zoom levels that we have bugs for. What we don't have a bug for is what you are describing where every brush tool and functionality is impacted. I want to help you and ask more questions so action can be taken. My intention is not to infuriate you. I get that you're angry and you have a right to be and I'm just trying to help. If you would, would you check your System Settings > Security & Privacy > Privacy > Accessibility: if Photoshop is listed, remove it, relaunch Photoshop and let me know if that resolves anything.
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