The Xen Project has released version 4.22 of its open-source type-1 hypervisor. Announced on 5 August 2026, the update brings support for current hardware, improvements for Arm and RISC-V, a more scalable configuration database and a five-year security support lifecycle.
What is new
The key points of the release:
- Support for modern hardware, including current AMD and Arm platforms.
- Further progress on the RISC-V port.
- Improved scalability of the Xenstore configuration database.
Long-term support
Especially relevant for operators: Xen 4.22 receives a five-year security support lifecycle, providing planning certainty for long-term deployments. Xen is a well-established type-1 hypervisor that underpins many cloud and server environments and is an alternative to KVM in the homelab and the data center alike.
Sources: Xen Project, Linuxiac.
