S.O. By AlfaLeon 2006 Windows Vista Jul 22, 2009 Windows 7 Oct 26, 2012 Windows 8 Oct 18, 2013 Windows 8.1 Oct 22, 2013 Mac OS X 10.9 Mavericks Oct 31, 2013 Android Kit Kat Oct 14, 2014 OS X Yosemite Nov 12, 2014 Android Lollipop Jul 29, 2015 Windows 10 Sep 30, 2015 Mac OS X 10.11 El Capitán Oct 5, 2015 Android Marshmallow Apr 21, 2016 Ubuntu Xenial Xerus Jun 15, 2016 Android Nougat Sep 20, 2016 Mac OS X 10.12 Sierra Oct 13, 2016 Ubuntu Yakkety Yak Apr 26, 2017 Ubuntu Zesty Zapus Aug 21, 2017 Android Oreo Oct 19, 2017 Ubuntu Artful Aardvark Oct 23, 2017 Mac OS X 10.13 High Sierra Apr 26, 2018 Ubuntu Bionic Beaver
