Xen 4.20 released

The Xen Project has announcedthe release of Xen 4.20. This release adds support forAMDZen5 CPUs, improved compliance with the MISRA C standard,work on PCI-passthrough on Arm, and more. Xen4.20 also removessupport for XeonPhi CPUs, which were discontinuedin 2018. See the featurelist and releasenotes for more information.