Product : Citrix, XenServer/7.5, Enterprise
Feature : Maturity, Assessment, General
Content Owner:  Roman Macek
Summary
XenServer 7.5 Release date May 2018
Details
Xens first public release was in 2003, becoming part of Novell SUSE 10 OS in 2005 (later also Red hat). In Oct 2007 Citrix acquired XenSource (the main maintainer of the Xen code) and released XenServer under the Citrix brand.
For more info check http://bit.ly/2BT5apc