<page_title> MacOS </page_title> <section_title> Release history </section_title> <table> <cell> OS X 10.11 <col_header> Version </col_header> </cell> <cell> El Capitan <col_header> Codename </col_header> </cell> <cell> September 30, 2015 <col_header> Application support </col_header> </cell> </table>
OS X 10.11 El Capitan was released on September 30, 2015.