The mandatory beta is on cdimage. Here is how to test it without risking your daily machine, and how to file a bug someone can actually fix. Episode 24 walks the same steps. Kubuntu 26.10 beta directory on cdimage The beta is the one to break Kubuntu 26.10 is in beta. The codename is Stonking Stingray. Feature freeze was 20 August. User interface freeze was 10 September. The mandatory beta was scheduled for 24 September and landed on 1 October.

The Kubuntu team is proud to announce the Beta release of Kubuntu 26.10 — Stonking Stingray, stepping toward our October 2026 release. This is your chance to preview the next 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 26.04 for now.

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.

Are you using Kubuntu 25.04 Plucky Puffin, our current stable release? Or are you already running our development builds of the upcoming 25.10 (Questing Quokka)? We currently have Plasma 6.3.90 (Plasma 6.4 Beta1) available in our Beta PPA for Kubuntu 25.04 and for the 25.10 development series. However this is a Beta release, and we should re-iterate the disclaimer: DISCLAIMER: This release contains untested and unstable software. It is highly recommended you do not use this version in a production environment and do not use it as your daily work environment.

We are pleased to announce that the Plasma 6.3.5 bugfix update is now available for Kubuntu 25.04 Plucky Puffin in our backports PPA. As usual with our PPAs, there is the caveat that the PPA may receive additional updates and new releases of KDE Plasma, Gear (Apps), and Frameworks, plus other apps and required libraries. Users should always review proposed updates to decide whether they wish to receive them. To upgrade:

The beta of Kubuntu Plucky Puffin (to become 25.04 in April) has now been released, and is available for download. This milestone features images for Kubuntu and other Ubuntu flavours. Pre-releases of Kubuntu Plucky Puffin are not recommended for: Anyone needing a stable system Regular users who are not aware of pre-release issues Anyone in a production environment with data or workflows that need to be reliable They are, however, recommended for: