Editing Darwin (operating system) (section)

===Darwin 12–15; Mac OS X rebranded into OS X===
{| class="wikitable mw-collapsible mw-collapsed"
|-
! Version
! style="width: 128px;" | Date
! style="width: 159px;" | Corresponding releases
! Notes
|-
! 12.0.0
| February 16, 2012
| rowspan="2" | [[OS X Mountain Lion]]
| OS X v10.8.0
* Mac OS X was rebranded into OS X.
* [[Objective-C]] garbage collection was deprecated in favor of [[Automatic Reference Counting]]
|-
! 12.6.0
| January 27, 2015
| OS X v10.8.5 (with Security Update 2015-001)
|-
! 13.0.0
| June 11, 2013
| rowspan="2" | {{ubl
                | [[OS X Mavericks]]
                | [[iOS 6]]
                }}
| OS X v10.9.0
* [[Virtual memory compression]]
* [[Timer coalescing]]
* [[OpenGL]] 4.1 and [[OpenCL 1.2]]
* [[Server Message Block]] version 2 (SMB2) is now the default protocol for sharing files instead of [[Apple Filing Protocol|AFP]]. This is to increase performance and cross-platform compatibility.
* IPoTB (Internet Protocol over [[Thunderbolt (interface)|Thunderbolt]] Bridge).
* The [[Open Transport]] API has been removed
|-
! 13.4.0
| September 17, 2014
| OS X v10.9.5
|-
! 14.0.0
| September 18, 2014
| rowspan="2" | {{ubl
                | [[OS X Yosemite]]
                | [[iOS 7]], [[iOS 8]]
                | [[watchOS]] 1
                }}
| OS X v10.10.0
|-
! 14.5.0
| August 13, 2015
| OS X v10.10.5
|-
! 15.0.0
| September 16, 2015
| rowspan="2" | {{ubl
                | [[OS X El Capitan]]
                | [[iOS 9]]
                | [[watchOS]] 2
                | [[tvOS]] 9
                }}
| OS X v10.11.0 and iOS 9.0
* [[System Integrity Protection]]. Protects certain system parts from being modified or tampered with by a process even if run by root or by a user with root privileges.
* [[sudo]] is configured with the "tty_tickets" flag by default, restricting the session timeout to the terminal session (such as a window or tab) in which the user authenticated the program.
* [[LibreSSL]] replaces [[OpenSSL]]
|-
! 15.6.0
| July 18, 2016
| OS X v10.11.6 and iOS 9.3.3
|-
|}