Until now, it's been possible to turn off the annoying prompts to upgrade your computer to the latest version of macOS. All you've had to do is type the command sudo software update --ignore "macOS Catalina" in the Terminal utility and hit Enter.
However, with the latest security update (2020-003) for macOS High Sierra (10.13) and Mojave (10.14), Apple has chosen to remove the command, MacRumors reports. A similar change has also been made in macOS Catalina 10.15.5, so when macOS 10.16 is released this autumn, you'll be prompted to upgrade to that version.
If you've installed the latest security updates and are trying to enter the command in Terminal, you'll receive a message that the ability to waive individual updates will disappear in a future version of macOS.
We discuss those annoying upgrade nags in more detail in a separate article: How to stop macOS update notification pop-ups.
This article originally appeared on MacWorld Sweden. Translation by David Price.