The badge notification is because it wants me to upgrade to Catalina. I never want to upgrade to Catalina because my hardware is too old to be run under any newer version of MacOS than I already have.

How can I dismiss this particular notification or otherwise make the notification badge go away?

I tried System Preferences --> Notifications, to see if I could disable all badge notifications from the System Preferences app, but that doesn't appear to be an option. And really, I don't want to disable all notifications from System Preferences, I just want to tell it to to stop nagging me about the Catalina upgrade.

  • I disagree that this is a duplicate of apple.stackexchange.com/questions/344278/…, because here it is being asked how to remove the Catalina upgrade notification. The other question wants to remove all available update notifications. It would be overkill to remove all notifications here.
    – n1000
    Nov 11 '19 at 14:53
  • @n1000 I doubt what else would bring in notifications. Updates for Mojave will also be discontinued soon. If OP wants, better sign up for a website that sends mails for Mojave updates and kill all notifications.
    – anki
    Nov 11 '19 at 16:06
  • @n1000 the solution I gave on that question has continued to work for Catalina and Big Sur, so even if the question specified Mojave it is still the right answer.
    – Wyatt Ward
    Nov 16 '20 at 21:54

I had the same complaint. I removed System Preferences from the Dock, and and haven't been bothered by the badge nag.

System Preferences is still easily available in the Apple Menu > System Preferences.

And you might review this Stack Exchange question for an alternative solution.

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