woow I have the same problem with "AZP photos" guy and 2019 photoshop and I disabled the ruler and brushes do not lag anymore. How can that be explained..? Thank you anyway! ... View more

I dont know if you solved but i have the exact same one. In my cs6 works just fine, but in CC there is terrible lag. Even the liquify tool behave with lag. And both CS6 and CC works on the same machine. ... View more