Original Link: http://recode.net/2015/06/08/apple-announces-os-x-el-capitan-with-focus-on-performance-experience/

Re/code:

Apple today introduced the next version of its Mac operating system, OS X El Capitan, focusing on two key areas of improvement: Experience and performance.

Mac OS X El Capitan is available to developers today, and will be released to the public in the fall as a free download.