ACS release 4.22

blog/2025-11-11-cloudstack-4.22-release/index.md

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+---
+layout: post
+title: Apache CloudStack 4.22.0.0 Release
+tags: [announcement]
+authors: [harikrishna]
+slug: cloudstack-4.22.0.0-release
+---
+
+[![](4.22.jpg "Apache CloudStack 4.22.0.0 Release")](/blog/cloudstack-4.22.0.0-release)
+
+The Apache CloudStack project is pleased to announce the release of CloudStack 4.22.0.0, which is a LTS release.
+
+The CloudStack 4.22 release is the most recent release of the cloud management platform. It comes as a product of extensive contributions from the project development community.
+
+The 4.22 release contains 10 new features, around 15 improvements and more than 140 bug fixes since 4.21. Some of the highlights include:
+
+<!-- truncate -->
+
+· Enhanced Backup and Disaster Recovery
+
+· SSL Offloading for Load Balancers
+
+· Baremetal/MaaS Extension
+
+· CSI Driver for CKS
+
+· Console Access for Proxmox in Extensions Framework
+
+· VMware-to-KVM Migration Enhancements
+
+· Snapshot/Backup Schedule Listing
+
+· Per-Zone Console Proxy Configuration
+
+· Direct Volume Migrations by-passing Secondary Storage
+
+· Persistent domain for unmanaged KVM instances from CS
+
+· Support for User Data on System VMs
+
+· EL10 & OpenSUSE 15.6 Platform Support
+
+· Stronger Checksum Algorithm (SHA-512)
+
+· Enable KVM Volume and VM snapshot by default
+
+· Support XZ compression format for template registration with KVM
+
+· Support for Shared Filesystem on Networks with Config Drive
+
+
+CloudStack LTS branches are supported for 24 months and will receive updates for the first 18 months and only blocker defects, 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, 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 2013 and is currently deployed in thousands of organizations globally.
+
+More information about Apache CloudStack can be found at: https://cloudstack.apache.org/
+
+##### Documentation
+
+What's new in CloudStack 4.22.0.0: https://docs.cloudstack.apache.org/en/4.22.0.0/releasenotes/about.html
+
+The 4.22.0.0 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/4.22.0.0/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 4.22.0.0 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/authors/harikrishna.png "Harikrishna Patnala" class="blog-image")
+
+</div>
+<div className="col col--9">
+<em>
+Apache CloudStack 4.22.0 is a Long-Term Support (LTS) release, marking an important milestone for the project after a significant development cycle. This release delivers a range of powerful new features and enhancements that help organizations build more reliable, scalable, and efficient cloud environments while simplifying operations and management.
+
+Over the past few months, contributors and committers from around the world have worked collaboratively to make this release possible focusing not only on feature innovation but also on quality, stability, and security. CloudStack 4.22 introduces several key capabilities such as enhanced backup and disaster recovery, SSL offloading for load balancers, Proxmox console access in the extensions framework, VMware-to-KVM migration improvements, and broader OS platform support including EL10 and openSUSE 15.6.
+The Apache CloudStack community is observing an accelerated shift of Cloud Service Providers and Private Cloud builders towards open, transparent, and community-led cloud computing platforms. Our collective focus remains on ensuring the long-term sustainability and growth of the project.”
+</em>
+
+\- Harikrishna Patnala, CloudStack Committer & PMC Member, 4.22 Release Manager
+</div>
+</div>

blog/authors.yml

@@ -87,3 +87,9 @@ weizhou:
   title: PMC Member
   url: https://github.com/weizhouapache
   image_url: /img/authors/weizhou.jpg
+
+harikrishna:
+  name: Harikrishna Patnala
+  title: PMC Member
+  url: https://github.com/harikrishna-patnala
+  image_url: /img/authors/harikrishna.png