When is macOS OS X 10.10 (Yosemite) end of life?

macOS OS X 10.10 (Yosemite) reached end of life on Aug 1, 2017. It gets no more updates, including security fixes.

What is the latest version of macOS OS X 10.10 (Yosemite)?

The latest macOS OS X 10.10 (Yosemite) release is 10.10.5, released on Aug 13, 2015.

When was macOS OS X 10.10 (Yosemite) released?

macOS OS X 10.10 (Yosemite) was released on Oct 16, 2014.

How do I check which macOS version I have?

Run sw_vers, then paste the result into the “Am I up to date?” box on this page.

macOS OS X 10.10 (Yosemite)

End of life

10.10.5 Release notes ↗

Is macOS OS X 10.10 (Yosemite) still supported?

macOS OS X 10.10 (Yosemite) reached end of life on Aug 1, 2017 (9 years ago). It no longer gets updates, including security fixes. Upgrade to macOS 27 (Golden Gate) (latest 27.0.1).

Released: Oct 16, 2014
End of life: Aug 1, 2017
9 years ago
Latest version: 10.10.5
Aug 13, 2015

Upgrade path

The recommended upgrade is macOS 27 (Golden Gate), currently at 27.0.1.

How to upgrade from macOS OS X 10.10 (Yosemite) to macOS 27 (Golden Gate)

Terminal

softwareupdate --list
sudo softwareupdate --install --all --restart

Or use System Settings → General → Software Update.

Back up first, and test on a non-production machine when you move to a new branch.

Quick answers

Is macOS OS X 10.10 (Yosemite) still supported?: No. macOS OS X 10.10 (Yosemite) reached end of life on Aug 1, 2017 (9 years ago). It no longer gets updates, including security fixes. Upgrade to macOS 27 (Golden Gate) (latest 27.0.1).
When is macOS OS X 10.10 (Yosemite) end of life?: macOS OS X 10.10 (Yosemite) reached end of life on Aug 1, 2017. It gets no more updates, including security fixes.
What is the latest version of macOS OS X 10.10 (Yosemite)?: The latest macOS OS X 10.10 (Yosemite) release is 10.10.5, released on Aug 13, 2015.
When was macOS OS X 10.10 (Yosemite) released?: macOS OS X 10.10 (Yosemite) was released on Oct 16, 2014.
What should I upgrade macOS OS X 10.10 (Yosemite) to?: The recommended upgrade is macOS 27 (Golden Gate), currently at 27.0.1.
How do I check which macOS version I have?: Run sw_vers, then paste the result into the “Am I up to date?” box on this page.

Other macOS branches

All 23 →

macOS 11 (Big Sur) End of life
macOS 10.15 (Catalina) End of life
macOS 10.14 (Mojave) End of life
macOS 10.13 (High Sierra) End of life
macOS 10.12 (Sierra) End of life
OS X 10.11 (El Capitan) End of life
OS X 10.10 (Yosemite) End of life
OS X 10.9 (Mavericks) End of life
OS X 10.8 (Mountain Lion) End of life
Mac OS X 10.7 (Lion) End of life
Mac OS X 10.6 (Snow Leopard) End of life
Mac OS X 10.5 (Leopard) End of life
Mac OS X 10.4 (Tiger) End of life

macOS 10.10 release history

RSS

Release dates for 5 macOS 10.10 versions, newest first.

Aug 13, 2015 10.10.5
Jun 30, 2015 10.10.4
Apr 8, 2015 10.10.3
Nov 17, 2014 10.10.1
Oct 16, 2014 10.10

Keep track

Badge for this branch (Markdown) macOS end-of-life dates for your calendar

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