# Blog - Xen Project Bringing the Power of Virtualization Everywhere This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Xen 4.22: Strengthening Open Source Virtualization for Cloud, Embedded, and Automotive Systems DevFeed: [Xen 4.22: Strengthening Open Source Virtualization for Cloud, Embedded, and Automotive Systems]() Original publisher: [Read original article]() Author: Cody Zuschlag Published: 2026-08-05T15:18:36Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Open Source](), [Cloud](), [Hardware](), [Scalability](), [Arm](), [RISC-V]() Tags: [arm](), [automotive](), [cloud](), [developers](), [embedded](), [hardware](), [improvements](), [lifecycle](), [maintenance](), [open-source](), [performance](), [platform](), [release](), [releases](), [risc-v](), [safety](), [security](), [standards](), [systems](), [virtualization](), [xen-4-22]() ### AI overview Xen 4.22 is presented as the latest Xen hypervisor release, adding modern hardware support, Arm virtualization improvements, continued RISC-V progress, and Xenstore scalability updates. The Xen Project also introduces a consistent five-year security support lifecycle for Xen 4.20 and later releases. ### Source excerpt Xen 4.22 adds modern hardware support, Arm improvements, continued RISC-V progress, Xenstore scalability updates, and a five-year security support lifecycle. ## Xen at FOSDEM: Real-World Conversations About Xen and KVM DevFeed: [Xen at FOSDEM: Real-World Conversations About Xen and KVM]() Original publisher: [Read original article]() Author: Cody Zuschlag Published: 2026-02-04T14:00:57Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Proxmox](), [Linux](), [Hardware](), [Code]() Tags: [2026](), [comparison](), [fosdem](), [hardware](), [kernel](), [kvm](), [linux](), [proxmox](), [virtualization]() ### AI overview A report from FOSDEM 2026 explains the practical and architectural differences between Xen and KVM, including how Proxmox relates to KVM and why XCP-ng is a fairer comparison for Xen. It contrasts Type 1 and Type 2 hypervisors and describes Xen's direct hardware boot, small hypervisor layer, isolation, performance predictability, and reduced attack surface. ### Source excerpt We just wrapped up a weekend at FOSDEM 2026 where Xen and XCP-ng both had dedicated booths. This was my first time at FOSDEM and the legend lived up to the hype. It was an insightful weekend full of interesting folks who were genuinely interested in the Xen Project. Everything ## OSS Japan 2025: A Breakthrough Year for Open Automotive Innovation DevFeed: [OSS Japan 2025: A Breakthrough Year for Open Automotive Innovation]() Original publisher: [Read original article]() Author: Cody Zuschlag Published: 2025-12-16T11:35:48Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [Open Source](), [virtualization](), [systems](), [Arm]() Tags: [2025](), [amd](), [arm](), [automotive](), [cloud](), [collaboration](), [data-centers](), [event](), [future](), [infrastructure](), [open-source](), [oss](), [summit](), [talks](), [transformation](), [virtualization]() ### AI overview The article reports on the Xen Project's participation in Open Source Summit Japan and Automotive Linux Summit 2025. It presents open source as a foundation for software-defined vehicles, highlighting Xen's role in mixed-criticality workloads, cockpit virtualization, and vehicle software stacks. The article also emphasizes collaboration among silicon vendors, automotive manufacturers, and cloud and server infrastructure companies. ### Source excerpt The Xen Project is back from Open Source Summit Japan and Automotive Linux Summit 2025. This year's event felt like a true watershed moment for the automotive industry and for open source. Across talks, demos, and hallway conversations, one thing was clear: open source is now a foundational ## 🛠 Engineering Trust: How Xen's Open CI Powers Global, Hardware-Level Testing DevFeed: [🛠 Engineering Trust: How Xen's Open CI Powers Global, Hardware-Level Testing]() Original publisher: [Read original article]() Author: Cody Zuschlag Published: 2025-07-10T14:11:20Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [ci](), [Testing](), [Hardware](), [Embedded Software Dev](), [systems](), [Arm](), [x86]() Tags: [2025](), [architectures](), [arm](), [automation](), [automotive](), [ci](), [embedded](), [embedded-systems](), [hardware](), [industrial](), [open-source](), [software](), [systems](), [testing](), [visibility](), [x86]() ### AI overview The Xen Project is developing an open, transparent, globally distributed continuous integration system for real hardware-level testing. The CI fleet tests Xen changes on Arm boards, x86 servers, embedded platforms, and contributor-provided devices, giving adopters greater confidence in safety-critical automotive and industrial systems. ### Source excerpt In safety-critical industries like automotive and industrial systems, trust is non-negotiable. When building software that controls critical hardware, like braking systems or factory automation, you need confidence. The software must behave exactly as intended. Every time. On the actual device. That's why the Xen Project is investing in ## 🛠 Xen Summit 2025: Find Your Place in the Future of Virtualization DevFeed: [🛠 Xen Summit 2025: Find Your Place in the Future of Virtualization]() Original publisher: [Read original article]() Author: Cody Zuschlag Published: 2025-06-27T13:39:53Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Security](), [Cloud](), [data centers](), [cloud-infrastructure]() Tags: [2025](), [alternatives](), [automotive](), [cloud](), [community](), [data-center](), [data-centers](), [developer](), [embedded](), [enterprise](), [industrial](), [industry](), [open](), [project](), [security](), [servers](), [summit](), [talks](), [tech-conference](), [virtualization](), [xen-summit](), [xensummit]() ### AI overview Xen Summit 2025 is presented as a gathering for the Xen Project community and a discussion of Xen's role as an open, adaptable hypervisor. The article highlights applications in automotive safety systems, industrial and embedded environments, enterprise servers and cloud data centers, and security-focused desktop virtualization. ### Source excerpt The annual Xen Summit is right around the corner, and there has never been a more exciting time to be part of the Xen Project. As enterprise and industrial needs shift and proprietary vendors rethink their licensing, the industry is ready for strong, open alternatives. Xen stands out not only ## Let's Grow Xen Together! DevFeed: [Let's Grow Xen Together!]() Original publisher: [Read original article]() Author: Cody Zuschlag Published: 2025-03-18T15:01:27Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Open Source](), [Security](), [Cloud](), [data centers](), [Critical Infrastructure](), [Internet of things]() Tags: [2025](), [cloud](), [colllaboration](), [community](), [contributors](), [critical-infrastructure](), [data-centers](), [developer](), [developers](), [ecosystem](), [edge-computing](), [embedded-systems](), [industrial](), [iot](), [open-source](), [performance](), [security](), [vendor-lock-in](), [virtualization]() ### AI overview This article introduces the Xen Project's new Community Manager and outlines plans to grow its contributor base, membership, and welcoming open-source ecosystem. It presents Xen as a secure, scalable, efficient, and cost-effective virtualization foundation for data centers, cloud and AI workloads, embedded systems, edge computing, automotive, industrial IoT, and other mission-critical applications. ### Source excerpt Xen is open, secure, and built for the future. As the new Community Manager, I'm focused on growing the Xen community, welcoming new contributors, and ensuring a thriving ecosystem. Let's build the future of virtualization together! ## Xen Project 4.20: A Step Forward in Open Source Virtualization DevFeed: [Xen Project 4.20: A Step Forward in Open Source Virtualization]() Original publisher: [Read original article]() Author: Cody Zuschlag Published: 2025-03-11T13:30:38Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Open Source](), [Security](), [Fuzzing/Fuzz testing](), [Optimization](), [Hardware](), [Cloud]() Tags: [2025](), [amd](), [announcements](), [architecture](), [cloud](), [fuzzing](), [hardware](), [intel](), [open-source](), [optimization](), [performance](), [release](), [releases](), [security](), [testing](), [virtualization](), [xen-4-20]() ### AI overview The article discusses the Xen Project's Xen 4.20 release as an open-source virtualization update. It highlights security improvements, including expanded MISRA C compliance, fuzzing, and UBSAN enabled by default, along with performance optimizations for page-table management, cache utilization, device passthrough, Intel CPUs, and AMD Zen 5. The release is presented as targeting cloud, enterprise, and embedded-system workloads. ### Source excerpt Xen 4.20 is here! 🚀 This release boosts security, performance, and architecture support, shaping the future of open-source virtualization. ## Xen Project Winter Meetup DevFeed: [Xen Project Winter Meetup]() Original publisher: [Read original article]() Author: Kelly Choi Published: 2025-02-13T11:33:03Z Content type: article Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Computer science](), [Development](), [cloud-infrastructure]() Tags: [2025](), [collaboration](), [community](), [contributors](), [development](), [meetup](), [mentoring](), [research](), [talks](), [technical](), [university](), [virtualization]() ### AI overview The Xen Project Winter Meetup 2025 brought Xen developers, researchers, students, and potential contributors together in Grenoble. Organized by Vates, the community-driven event focused on advancing Xen, strengthening collaboration between industry and academia, mentoring newer contributors, and discussing virtualization and related infrastructure work. ### Source excerpt We just wrapped up the Xen Winter Meetup 2025. It was an amazing opportunity to push Xen forward in a way that can only happen when people get together in person. Organized by Vates, we hosted it at the University of Grenoble IMAG building, a great spot for cutting-edge research ## Welcome Honda to the Xen Project Board DevFeed: [Welcome Honda to the Xen Project Board]() Original publisher: [Read original article]() Author: Kelly Choi Published: 2024-12-09T14:10:03Z Content type: news Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Open Source]() Tags: [announce](), [announcements](), [community](), [leadership](), [open-source](), [partnership](), [technologies](), [virtualization]() ### AI overview The Xen Project welcomes Honda as its newest Advisory Board Member. Honda's investment is expected to support efforts toward a more secure and versatile hypervisor, while contributing insights, outreach, community policies, and future strategy. ### Source excerpt We're excited to announce our newest Advisory Board Member Honda, to Xen Project. Since its foundation, Honda has been committed to "creating a society that is useful to people" by utilizing its technologies and ideas. Honda also focuses on environmental responsiveness and traffic safety, and continue ## Say hello to our new website DevFeed: [Say hello to our new website]() Original publisher: [Read original article]() Author: Kelly Choi Published: 2024-12-05T15:09:12Z Content type: news Language: en Sources: [Blog - Xen Project]() Topics: [Website](), [Wiki](), [Documentation](), [Matrix]() Tags: [announcements](), [community](), [content](), [contribute](), [developers](), [documentation](), [errors](), [guides](), [information](), [project](), [visibility]() ### AI overview The Xen project has refreshed its existing website to improve visibility and make information easier to find. The article explains that documentation still links to the existing wiki while content is gradually moved to Sphinx, and it invites community contributions and feedback. ### Source excerpt Hello Xen Community, You may have noticed something different... We've refreshed our existing website! Why did we do this? Well, all these new changes are part of an ongoing effort to increase our visibility and make it easier to find information on pages. We know how important it ## Xen Project Announces Performance and Security Advancements with Release of 4.19 DevFeed: [Xen Project Announces Performance and Security Advancements with Release of 4.19]() Original publisher: [Read original article]() Author: Kelly Choi Published: 2024-08-05T01:50:35Z Content type: release Language: en Sources: [Blog - Xen Project]() Topics: [virtualization](), [Security](), [Architecture & Design](), [Open Source](), [Arm](), [Linux](), [RISC-V](), [x86](), [Code quality](), [boot]() Tags: [announcements](), [architectures](), [arm](), [boot](), [c](), [code-quality](), [linux](), [open-source](), [performance](), [release](), [risc-v](), [security](), [virtualization](), [x86]() ### AI overview The Xen Project announces Xen Project 4.19, an open-source hypervisor release focused on performance, security, stability, and support across Arm, PPC, RISC-V, and x86 architectures. The release includes security advisories, code-quality improvements, architecture-specific updates, PVH changes, faster boot times, and virtualization enhancements. ### Source excerpt New release marks significant enhancements in performance, security, and versatility across various architectures. SAN FRANCISCO - July 31st, 2024 - The Xen Project, an open source project under the Linux Foundation, is proud to announce the release of Xen Project 4.19. This release marks a significant ## Upcoming Closure of Xen Project Colo Facility DevFeed: [Upcoming Closure of Xen Project Colo Facility]() Original publisher: [Read original article]() Author: Kelly Choi Published: 2024-07-10T04:21:43Z Content type: news Language: en Sources: [Blog - Xen Project]() Topics: [ci](), [datacenter](), [incident](), [Availability](), [Hardware](), [Open Source](), [GitLab]() Tags: [alternatives](), [availability](), [ci](), [data-center](), [gitlab](), [hardware](), [incident](), [infrastructure](), [open-source]() ### AI overview The Xen Project announces that Synoptek is shutting down its colocated data center facility in Marlborough, disrupting the OSSTest continuous integration loop. The project is evaluating relocation, infrastructure changes, or a replacement test system, including GitLab CI. ### Source excerpt Dear Xen Community, We regret to inform you that the Xen Project is currently experiencing unexpected changes due to the sudden shutdown of our colocated (colo) data center facility by Synoptek. This incident is beyond our control and will impact the continuity of OSSTest (the gating Xen Project CI loop)