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.

We have had many requests to make Plasma 5.27 available in our backports PPA for Jammy Jellyfish 22.04. However, for technical reasons this would have broken upgrades to Kinetic 22.10 while that upgrade path existed. Now that Kinetic is end of life, it is possible to allow opt in backports of plasma 5.27 for 22.04. As with the previous backport of plasma 5.25, version 5.27 is provided in the backports-extra PPA