I figured it out! The txt file somehow changed to a .rft (?) file, I changed the extension back to .txt and it worked!!! Thanks Arlo and everyone else. Shame on you, Adobe! ... View more

Yes! I found the folder, thanks! BUT..... I put the PSUser file in the folder, restarted PS, and it still constrains with no shift, and doesn't constrain with shift. Not sure if I did something wrong? ... View more

Turned on hidden folders, still no "Adobe Photoshop CC 2019 Settings" folder. ... View more

I too am baffled by this change, it should be a user defined option. I've been using Photoshop for 25 years, since before layers, and it has always been shift to constrain proportions. Since upgrading I have messed up a few images because my finger automatically goes to the shift key. My problem is that I tried to to the workaround, I saved the txt file, but I don't have a folder in my library: "//Users/[User Name]/Library/Preferences/Adobe Photoshop CC 2019 Settings/". I'm using Mojave 10.14.3, just upgraded, has the system changed and these folders no longer exist? ... View more