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new 25b3e5368 ACS 4.22.1.0 release blog (#433)
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commit 25b3e5368a385ed0bc7c63048590fb2b689dfd85
Author: Suresh Kumar Anaparti <[email protected]>
AuthorDate: Thu May 28 14:43:40 2026 +0530
ACS 4.22.1.0 release blog (#433)
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+---
+layout: post
+title: Apache CloudStack 4.22.1.0 Release
+tags: [announcement]
+authors: [suresh]
+slug: cloudstack-4.22.1.0-release
+---
+
+[](/blog/cloudstack-4.22.1.0-release)
+
+# Apache CloudStack LTS Maintenance Release 4.22.1.0
+
+The Apache CloudStack project is pleased to announce the release of CloudStack
4.22.1.0.
+
+The CloudStack 4.22.1.0 release is a maintenance release as part of its 4.22.x
LTS branch and contains around 290 fixes and improvements since the CloudStack
4.22.0.0 release. Some of the highlights include:
+
+<!-- truncate -->
+
+· VMware-to-KVM migration fixes and improvements, including VDDK support and
guest OS handling
+
+· GPU domain parsing fixes and PCI display controller support
+
+· Support configurable settings in the Proxmox Extension
+
+· Host VM power reporting improvements in Extensions
+
+· Support UEFI on KVM hosts by default with preconfigured default settings.
+
+· B&R enhancements, including NAS backup support with Linstor, timeout
configuration support and other backup fixes
+
+· KVM Host HA improvements and heartbeat enhancements for SharedMountPoint
storage
+
+· Support for creating volumes directly on a specified storage pool
+
+· Support KVM import and unmanage operations for SharedMountPoint pools
+
+· Support to list and query async jobs by resource
+
+· Better VM lifecycle handling, including reserved resource cleanup and
improved expunge error reporting
+
+· Networking fixes and improvements for NSX, Routed VPCs, Load Balancer rules,
Static Routes, and VPN DH groups
+
+· Incremental volume snapshot fixes and snapshot rollback reliability
improvements for KVM
+
+· Storage plugins - Ceph, Linstor, PowerFlex related fixes and improvements
+
+· Some CKS related fixes and improvements
+
+· Several UI fixes and improvements
+
+CloudStack LTS branches are supported for 24 months and will receive updates
for the first 18 months and only security updates in the last 6 months.
+
+Apache CloudStack is an open-source software system designed to deploy and
manage large networks of virtual machines, as a highly available, highly
scalable Infrastructure as a Service (IaaS) cloud computing platform.
CloudStack includes an intuitive user interface and rich API for managing the
compute nodes, networking software, and storage resources, that allows users to
build feature-rich public and private cloud environments. The project became an
Apache top-level project in March, 2 [...]
+
+More information about Apache CloudStack can be found at:
https://cloudstack.apache.org/
+
+# Documentation
+
+What's new in CloudStack 4.22.1.0:
https://docs.cloudstack.apache.org/en/4.22.1.0/releasenotes/about.html
+
+The 4.22.1.0 release notes include a full list of issues fixed, as well as
upgrade instructions from previous versions of Apache CloudStack, and can be
found at: https://docs.cloudstack.apache.org/en/4.22.1.0/releasenotes/
+
+The official installation, administration, and API documentation for each of
the releases are available on our documentation page:
https://docs.cloudstack.apache.org/
+
+# Downloads
+
+The official source code for the 4.22.1.0 release can be downloaded from our
downloads page:
+
+https://cloudstack.apache.org/downloads.html
+
+In addition to the official source code release, individual contributors have
also made convenience binaries available on the Apache CloudStack download
page, and can be found at:
+
+https://download.cloudstack.org/el/8/
+
+https://download.cloudstack.org/el/9/
+
+https://download.cloudstack.org/el/10/
+
+https://download.cloudstack.org/suse/15/
+
+https://download.cloudstack.org/ubuntu/dists/
+
+https://download.cloudstack.org/debian/dists/
+
+https://www.shapeblue.com/cloudstack-packages/
+
+##### A Word from the Community
+
+<div className="row">
+<div className="col col--3">
+
+![](/img/Suresh.jpg "Suresh Anaparti" class="blog-image")
+
+</div>
+<div className="col col--9">
+<em>
+“Apache CloudStack 4.22.1.0 is the first maintenance update for the 4.22.x LTS
branch, delivering close to 290 fixes and enhancements aimed at improving
platform stability, performance, and operational efficiency. The release
introduces several improvements across VMware-to-KVM migration workflows, KVM
Host HA, B&R operations, snapshots, networking, storage integrations, and VM
lifecycle management. Enhancements such as improved GPU and PCI controller
handling, Proxmox extension configur [...]
+
+This release reflects the continuous efforts of the Apache CloudStack
community to improve the day-to-day operational experience for cloud operators
and service providers running production environments at scale, while remaining
committed to the project’s long-term sustainability and continued growth.”
+</em>
+
+\- Suresh Kumar Anaparti, CloudStack Committer & PMC Member, 4.22.1 Release
Manager
+</div>
+</div>
