There was a Mac911 article[1] by Glenn Fleishman which detailed how to do this back in October of last year. I have the following in a file called Catalina.sh:

There was a Mac911 article[1] by Glenn Fleishman which detailed how to do this back in October of last year. I have the following in a file called Catalina.sh: sudo softwareupdate --ignore "macOS Catalina" && defaults write com.apple.systempreferences AttentionPrefBundleIDs 0 && killall Dock Unfortunately - unless I'm mistaken - 2020-003 means this script is toast. [1]: https://www.macworld.com/article/3447396/how-to-stop-getting-a-reminder-to-update-to-catalina-in-macos.html https://www.macworld.com/article/3447396/how-to-stop-getting...