Photoshop Tools Are Very Slow

Joined
May 13, 2009
Messages
65
Location
Arizona, USA
Lightroom Experience
Intermediate
Lightroom Version
Lightroom Version
Lightroom Classic 10.0
Operating System
macOS 10.15 Catalina
Running Photoshop 22.0.1 on a 2019 Mac Pro (macOS 10.15.7 Catalina) with plenty of RAM, scratch disk space, etc.

Some Photoshop tools are very slow.

For example, Lasso Tool used to draw small space to add to current selection takes approx 5 seconds to add selection. First selection goes okay, but additional selections lag badly.

Same results with brush tool in Content Aware Fill preview when attempting to brush to add or delete content source pixels.

Would appreciate any suggestions.
 
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