The below will appear on the Refined page at Apple iOS - Tablets and Smartphones
Vendor : AppleOperating system name : MacOS
Version/Edition : Sonoma, Ventura, Monterey
Sonoma, Ventura and Monterey are currently supported.
Big Sur is no longer supported.
Update policy : Apple typically provides security updates for the latest 3 named versions.
The time between major updates to versions is roughly a year.
By default, MacOS downloads and installs updates automatically. Check that automatic updates are enabled.
How to check your version :
Click on Apple logo, then click 'About This Mac'. The version name and number will appear.
Security Updates :
Apple typically provide support for around three years for each version of the operating system.
Sonoma - released 26/09/23, support expected to end September 2026. Latest security update 25th October 2023. Must be installed by 8th November to remain compliant.
Ventura - released 24/10/2022, support expected to end October 2025. Latest security update 25th October 2023. Must be installed by 8th November to remain compliant.
Monterey - released 25/10/2021, support expected to end October 2024. Latest security update 25th October 2023. Must be installed by 8th November to remain compliant.
Vendor information: