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OS X 10.11 El Capitan Release Details

OS X 10.11 El Capitan
Source: apple.com – OS X 10.11 El Capitan

OS X 10.11 El Capitan is an operating system designed and developed by Apple from 2015 to 2018 alongside Apple’s personal computers. The system was released on September 30, 2015, and was available for Free from the Mac App Store, or was preinstalled on currently sold computers.

OS X El Capitan includes features to improve the security, performance, design, and usability of OS X. Compared to OS X Yosemite, Apple says that opening PDFs is four times faster, app switching and viewing messages in Mail is twice as fast, and launching apps is 40% faster. 

The maximum amount of memory that could be allocated to the graphics processor has been increased from 1024 MB to 1536 MB on Macs with an Intel HD 4000 GPU. OS X El Capitan supports Metal, Apple’s graphics API introduced in iOS 8 to speed up performance in games and professional applications. 

Apple’s typeface San Francisco replaces Helvetica Neue as the system typeface. OS X El Capitan also adopts LibreSSL in replacement of OpenSSL used in previous versions. El Capitan introduces new window management features such as creating a full-screen split-screen limited to two app windows side by side in full screen by pressing the green button on the left upper corner of the window or Control+Cmd+F keyboard shortcut, then snapping any supported window to that full-screen application.

New software improves Mission Control to incorporate this feature across multiple spaces. It also enables users to spot the pointer more easily by enlarging it by shaking the mouse or swiping a finger back and forth on the trackpad.

This software got the last update (10.11.6) on July 9, 2018, but in the meantime was replaced by a newer version of macOS 10.12 Sierra. Today OS X 10.11 El Capitan is 8 years old!

OS X 10.11 El Capitan Details

ReleasedSeptember 30, 2015 – 8 years ago
Last Software UpdateJuly 9, 2018 – 5 years ago
Time of Support33 months (2 years)
Original PriceFree from the Mac App Store
System RequirementsiMac Mid 2007 or newer
MacBook Late 2008 Aluminum or newer
MacBook Early 2009 or newer
MacBook Pro Mid 2007 or newer
MacBook Air Late 2008 or newer
Mac mini Early 2009 or newer
Mac Pro Early 2008 or newer
Xserve Early 2009
2 GB of memory
8.8 GB of available disk space
Mac OS X 10.6.8 or later
DistributionMac App Store

Versions of the OS X El Capitan

VersionsBuildRelease Date
OS X 10.1115A284September 30, 2015 – 8 years ago
OS X 10.11.115B42October 21, 2015 – 8 years ago
OS X 10.11.215C50December 8, 2015 – 8 years ago
OS X 10.11.315D21January 19, 2016 – 8 years ago
OS X 10.11.415E65March 21, 2016 – 8 years ago
OS X 10.11.515F34May 16, 2016 – 8 years ago
OS X 10.11.615G31July 18, 2016 – 7 years ago

Security Updates for the OS X El Capitan

BuildRelease Date
15G1004
15G1011
September 1, 2016 – 7 years ago
15G1108October 24, 2016 – 7 years ago
15G1212December 13, 2016 – 7 years ago
15G1217January 17, 2017 – 7 years ago
15G1421March 27, 2017 – 7 years ago
15G1510May 15, 2017 – 7 years ago
15G1611July 19, 2017 – 6 years ago
15G17023October 31, 2017 – 6 years ago
15G18013December 6, 2017 – 6 years ago
15G19009January 23, 2018 – 6 years ago
15G20015March 29, 2018 – 6 years ago
15G21013June 1, 2018 – 6 years ago
15G22010July 9, 2018 – 5 years ago

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Disclaimer: The data presented in this article is under continuous development and has been manually collected from various sources based on their availability. The author of this article may revise this dataset as additional research is conducted and reviewed. Please note that the information is provided “as is” and “as available” without express or implied warranties. The author cannot be held responsible for any omissions, inaccuracies, or errors in the published information. Any warranties relating to this information are hereby disclaimed.