OS X 10.11.0

OS X 10.11.0 (build 15A284) is the first public release of OS X 10.11 (El Capitan) on September 30, 2015 by Apple Inc.
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==Development history==
The first developer beta of OS X 10.11.0 (build 15A178w) was seeded on June 8 during the 2015 Worldwide Developers Conference.OS X El Capitan Developer Beta 1 Available to Download for Mac Devs by Paul Horowitz, OS X Daily. 2015-06-08.
==References==
==External links==
*About the security content of OS X El Capitan v10.11 at Apple Support
Category:OS X 10.11
Category:2015 introductions