What is a System Update?
A system update is classified as any minor OS change and can also include security/browser patches. For example, if you're on macOS Tahoe 26.1, the latest update (as of 4/21/26) would be macOS Tahoe 26.4.1.
What is a System Upgrade?
A system upgrade is any major OS change. An example of an OS change would be upgrading from macOS 12 (Monterey) to macOS 14 (Sonoma).
System Updates and/or Upgrades via MDM/DDM
You can configure System Updates and/or Upgrades to be pushed via Addigy by navigating to the Updates section of a policy. For more information on this topic, please reference our overview article on System Updates via MDM and DDM.
Note: If you would ever like to block these upgrades, read here: Blocking Major macOS Upgrades with Addigy's Prebuilt Apps