We're revealing the full agenda for the upcoming CloudStack European User Group in London, a must-attend event for anyone working with or interested in open-source cloud infrastructure. This year's agenda brings together leading experts from across the CloudStack ecosystem to share real-world use cases, technical deep dives, and community discussions.

From building Tier 1 infrastructure and exploring the future of orchestration, to enabling scientific research and rethinking performance metrics—there’s something for everyone. Whether you're a developer, architect, or decision-maker, this event is your opportunity to connect, learn, and shape the future of Apache CloudStack.

The 2025 edition of the CloudStack India User Group (CSIUG) brought together passionate users, contributors, and innovators from across the region to explore the evolving landscape of Apache CloudStack. Hosted in person at the D1 Yotta Data Center in Greater Noida and supported by ShapeBlue, Yotta and LINBIT, the event was packed with technical talks, deployment insights, and collaborative energy.

Swen Brüseke has recently been appointed as a Committer to the Apache CloudStack project. In this interview, Swen shares insights into his professional journey, his views on open-source development, recent projects he’s contributed to, and his perspective on the future of the CloudStack community.

We’re pleased to announce the Autumn 2025 edition of the CloudStack European User Group (CSEUG), taking place on September 18th at Events @ No.6 in the City of London.

This event will bring together members of the European CloudStack community for a full day of technical discussions, knowledge exchange, and networking. Attendees can expect insights into real-world CloudStack use cases, community developments, and best practices in open-source cloud infrastructure.

This edition of CSEUG is supported by ShapeBlue and StorPool Storage.

The Apache CloudStack project announces the LTS release of 4.19.3.0 and 4.20.1.0 that address the following security issues:

• CVE-2025-26521 (severity 'Critical')
• CVE-2025-30675 (severity 'Low')
• CVE-2025-47713 (severity 'Critical')
• CVE-2025-47849 (severity 'Moderate')
• CVE-2025-22829 (severity 'Low')

The Apache CloudStack project is pleased to announce the release of CloudStack 4.19.3.0 and 4.20.1.0.

The CloudStack releases 4.19.3.0 and 4.20.1.0 are maintenance releases as part of their 4.19.x and 4.20.x LTS branches respectively. CloudStack release 4.19.3.0 contains more than 120 fixes and improvements since CloudStack 4.19.2.0 and CloudStack 4.20.1.0 contains more than 150 fixes and improvements since CloudStack 4.20.0.0 release.

The Apache CloudStack European User Group (CSEUG) convened on May 8th in Vienna, Austria, marking its return with a technically focused event that brought together a dynamic cross-section of users, contributors, developers, and operators from across Europe. Hosted at Quartier Belvedere Central, the event delivered a full day of in-depth technical sessions, collaborative community interactions, and practical insights into real-world deployments and advancements within the Apache CloudStack ecosystem.

We’re excited to share that the CloudStack India User Group (CSIUG) will be held on 11th July 2025 at the D1 Yotta Data Center in Greater Noida.

This event will bring together CloudStack users, developers, and operators from across India for a day of technical sessions, community collaboration, and in-depth discussions on building and running open-source cloud infrastructure. Expect real-world case studies, project updates, and valuable insights from across the CloudStack ecosystem.

The 2025 CSIUG is supported by ShapeBlue, Yotta and LINBIT.

Fabricio Duarte is one of the newest committers of the Apache CloudStack community. In this interview, Fabricio delves into his professional background, his contributions to the CloudStack project, advice on how to get involved in the project, and more! Click the button below to see the current project member list.

The CloudStack project is pleased to announce our newest VP, Nicolas Vazquez. This interview explores Nicolas’ experience with Apache CloudStack, key projects, recent developments, advice on how to contribute to the CloudStack ecosystem, and more!

Introduce yourself in a few words​

My name is Nicolas Vazquez, I am a Software Engineer from Uruguay. I have been involved on the CloudStack project for the last 10 years, during which I became a Committer and then a PMC member. In the last months I have been contributing to features like VMware to KVM migration, the support for Virtual Appliances on VMware, the Multi-Architecture Zones.