Kubuntu 26.04 LTS is now arguably the world’s most reliable KDE-powered LTS Linux distribution, thanks to the Bullet-Proof KDE Software Initiative. This provides KDE bug fixes and security updates for the duration of the Kubuntu 26.04 LTS lifecycle. Teams from Kubuntu, KDE, Techpaladin Software, and Kubuntu Focus work together to identify and fix real-world bugs and security issues to provide the best possible user experience. Unlike previous Plasma LTS versions, this work includes the entire software stack: KDE Frameworks libraries, the Plasma 6.

Kubuntu 26.04 LTS Resolute Raccoon Released April 23, 2026 Bringing the Best of KDE to Ubuntu’s Long-Term Foundation The Kubuntu team is thrilled to announce the release of Kubuntu 26.04 LTS, codenamed “Resolute Raccoon”! As a community-driven flavour of Ubuntu, Kubuntu continues its mission to deliver the cutting-edge KDE software ecosystem on top of Ubuntu’s rock-solid foundation. This Long-Term Support release, aligned with Ubuntu’s two-year LTS cycle, brings together the freshest stable KDE software with the reliability and security users depend on for years to come.

The Kubuntu team is proud to announce the Beta release of Kubuntu 26.04 LTS — Resolute Raccoon, stepping toward our April 2026 release. This is your chance to preview the next Long-Term Support edition, put it through its paces, and help us deliver a polished final release. This is a pre-release. It is intended for testing, not production use. Systems may encounter instability. If you need reliability, stick with Kubuntu 25.

The Kubuntu Team are thrilled to announce significant updates to KubuQA, our streamlined ISO testing tool that has now expanded its capabilities beyond Kubuntu to support Ubuntu and all its other flavors. With these enhancements, KubuQA becomes a versatile resource that ensures a smoother, more intuitive testing process for upcoming releases, including the 24.04 Noble Numbat and the 24.10 Oracular Oriole. What is KubuQA? KubuQA is a specialized tool developed by the Kubuntu Team to simplify the process of ISO testing.

The Kubuntu Team is happy to announce that Kubuntu 24.04 has been released, featuring the ‘beautiful’ KDE Plasma 5.27 simple by default, powerful when needed. Codenamed “Noble Numbat”, Kubuntu 24.04 continues our tradition of giving you Friendly Computing by integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution. Under the hood, there have been updates to many core packages, including a new 6.8-based kernel, KDE Frameworks 5.