Product : Citrix, XenServer/7.3, Standard
Feature : Overview, Assessment, General
Content Owner:  Roman Macek
Summary
XenServer 7.3 Standard Edition includes Citrix support. XenServer 7.3 extends alignment with XenApp and XenDesktop release cycles while the expanded XenServer Enterprise entitlement ensures you can leverage unique app and desktop performance integrations only available with XenServer. For Standard vs Enterprise edition, please check: http://bit.ly/2ddQiVL
Details
Citrix released XenServer version 7.3 in December 2017, this release added support for:

- New Backup API, with support for incremental backups and Changed Block Tracking
- Support for the use of VLANs on the XAPI management interface (trunk ports can carry multiple VLANs based on tagging)
- Bromium Endpoint Protection support, using nested virtualization for micro hypervisor isolation

Citrix entered the Hypervisor market with the acquisition of XenSource - the main supporter of the open source Xen project - in Oct 2007. The Xen project continues to exist, see https://www.xenproject.org/