I am using Catalina 10.15.3 on the following machine with no problems other than PS not opening multiple files sent from Lightroom (hopefully they will fix this one day!).
Model Name: MacBook Pro
Model Identifier: MacBookPro11,4
Processor Name: Quad-Core Intel Core i7
Processor Speed: 2.2 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 6 MB
Hyper-Threading Technology: Enabled
Memory: 16 GB
Hope this helps someone.
I have work to do. I can’t have this unstable BS going on every time I start this useless, expensive program that’s.goid for nothing.