I'm getting a problem to NSMutableAttributedString when I want to change font size and colors. When in Mojave, I got no problem to edit its font, but after I update to macOS Catalina and Xcode 11, all NSMutableAttributedString in my code become plain black systemFont with 17 size.
I thought it because of Xcode 11, then I try to install Xcode 10 again and check the result. then I realize both Xcode 10 and 11 give the same issue. Now I blame Catalina, and I don't know how to downgrade my macOS to Mojave to check it.
Is there anyone who have same problem and have any solutions?