Editing MacOS version history (section)

=== OS X 10.11 El Capitan ===
[[OS X El Capitan]] was revealed on June 8, 2015, during the WWDC 2015 keynote speech.<ref>{{cite press release|title = Apple Announces OS X El Capitan with Refined Experience & Improved Performance|url = https://www.apple.com/newsroom/2015/06/08Apple-Announces-OS-X-El-Capitan-with-Refined-Experience-Improved-Performance/|website = www.apple.com|access-date = January 10, 2018|archive-date = October 8, 2017|archive-url = https://web.archive.org/web/20171008132538/https://www.apple.com/newsroom/2015/06/08Apple-Announces-OS-X-El-Capitan-with-Refined-Experience-Improved-Performance/|url-status = live}}</ref> It was made available as a public beta in July and was made available publicly on September 30, 2015. Apple described this release as containing "Refinements to the Mac Experience" and "Improvements to System Performance" rather than new features. Refinements include public transport built into the [[Apple Maps|Maps]] application, GUI improvements to the [[Notes (Apple)|Notes]] application, as well as adopting [[San Francisco (2014 typeface)|San Francisco]] as the system font. [[Metal (API)|Metal API]], an application enhancing software, had debuted in this operating system, being available to "all Macs since 2012".<ref>{{Cite web|url = http://devstreaming.apple.com/videos/wwdc/2015/6037pi9rxl6tfss8w/603/603_whats_new_in_metal_part_1.pdf|title = What's New in Metal, Part 1|date = June 2015|access-date = October 21, 2017|website = [[Apple Developer]]|publisher = Apple|last = Dhiraj|first = Rav|page = 84|url-status = dead|archive-url = https://web.archive.org/web/20150617222000/http://devstreaming.apple.com/videos/wwdc/2015/6037pi9rxl6tfss8w/603/603_whats_new_in_metal_part_1.pdf|archive-date = June 17, 2015}}</ref>