#MACOS HIGH SIERRA RELEASE DATE MAC OS X#

If you have an old Mac that can’t be upgraded, please begin planning the replacement or decommissioning of the Mac.

Apple can make calls like this based on how many people are still using the software and how severe. In November of 2020, Apple issued a security update for macOS High Sierra, even though it was three versions behind the latest release (Big Sur) at the time. macOS Big Sur (version 11) is the seventeenth major release of macOS, Apple Inc.s operating system for Macintosh computers.

If you need assistance, please submit a Service Desk ticket to request an upgrade to macOS Catalina (v10.15) or macOS Mojave (v10.14). Sometimes, Apple will update versions of macOS that fall outside of the two-year cutoff.

To upgrade your Mac on your own, open the “Self Service” application and choose the “Upgrade to macOS Catalina 10.15” or “Upgrade to macOS Mojave 10.14” option.

If your Mac is running macOS High Sierra (v10.13), you must upgrade it to macOS Catalina (v10.15) or Mojave (v10.14) before Wednesday, Nov. Fermilab-owned computers, by laboratory policy, must run vendor-supported operating systems to avoid security risks.

4, any Mac computer running macOS High Sierra (v10.13) will be blocked from accessing the Fermilab network.

Catalina is the first version of macOS to support only 64-bit applications and. It is the successor to macOS Mojave and was announced at WWDC 2019 on Jand released to the public on October 7, 2019. 's desktop operating system for Macintosh computers. be announced in June 2021 with a fall 2021 public release date.

#MACOS HIGH SIERRA RELEASE DATE MAC OS X#

When EOL occurs, macOS High Sierra will no longer be supported by Apple and therefore will stop receiving security updates. macOS Catalina (version 10.15) is the sixteenth major release of macOS, Apple Inc. Apple didn't release a new version of Mac OS X again until Tiger arrived on April 29, 2005. MacOS High Sierra (v10.13) is approaching its end-of-life (EOL).

Macos high sierra release date