Operating systems must be supported by the vendor which means regular security updates must be provided in order to fix security issues.
Whilst every effort is made to provide the most up-to-date information, you should always check the vendor site for the support status of your particular operating system.
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
Ventura - released 24/10/2022, support expected to end October 2025. Latest security update 25th October 2023
Monterey - released 25/10/2021, support expected to end October 2024. Latest security update 25th October 2023
Dates are based on available information and may be subject to change. Always check the vendor site for the most up to date information.
Vendor information: