Mac & macOS
iMac
iMac
iMac (Retina 5K, 27-inch, 2019)
Not on Apple's list for macOS Golden Gate 27
The newest release we've verified for it is macOS Sequoia 15. Apple sometimes releases security updates for older versions too — see Apple's security releases page.
macOS releases it runs
-
macOS Sequoia 15
Released Sep 2024 · latest 15.8.1
-
macOS Sonoma 14
Released Sep 2023 · latest 14.8.9
Only releases checked against a source are listed. Osnivo currently tracks macOS Sonoma 14 and later.
At a glance
- Platform
- Mac · macOS
- Family
- iMac
- Introduced
- 2019
Sources for this page
Last verified 8 Oct 2026
- 1 Identify your iMac model - Apple Support support.apple.com
- 1 Apple security releases - Apple Support support.apple.com
- 1 macOS Sequoia is compatible with these computers - Apple Support support.apple.com
- 1 macOS Sonoma is compatible with these computers - Apple Support support.apple.com
- 1 Apple security updates (2022 to 2023) - Apple Support support.apple.com