Xen Project Delivers Xen 4.21, a Modernized Hypervisor with Broader Architecture Support and Improved Performance

Xen 4.21 takes a major step towards modernized virtualization, offering greater maintainability across industries and upgraded efficiency for memory SAN FRANCISCO, Nov. 19, 2025 /PRNewswire/ — The Xen Project, an open source hypervisor hosted at the Linux Foundation, today announced the…