Following the release of KDE 3.4.2, an updated Kubuntu 5.04 live CD is now also available for download: "KDE 3.4.2 released with Kubuntu packages and live CD. KDE 3.4.2 has been released. You can download Kubuntu packages from any of these deb sources (add to sources.list). A live CD is available based on Kubuntu Hoary with all current updates, KDE 3.4.2 and KOffice 1.4.1. The packages have also been uploaded to our breezy development version." Read the release announcement for further details. Download from here: kubuntu-5.04.5-i386-live.iso (675MB, MD5).
Kubuntu is a free, user-friendly Linux distribution based on KDE's desktop software and on the Ubuntu operating system. It has a biannual release cycle. Besides providing an up-to-date version of the KDE desktop at the time of the release, the project also releases updated KDE packages throughout the lifetime of each release.
The Kubuntu team have announced the release of Kubuntu 26.04 which features the KDE Plasma 6.6 desktop and version 7.0 of the Linux kernel. The release announcement shares the details: "The Kubuntu team is thrilled to announce the release of Kubuntu 26.04 LTS, code-named 'Resolute Raccoon'. Building on the Ubuntu 26.04 LTS base released today by Canonical, Kubuntu 26.04 introduces Plasma 6.6 as the flagship desktop environment, alongside Qt 6.10.2, KDE Frameworks 6.24.0, and the latest KDE Gear 25.12.3 application suite. We've also upgraded to Linux kernel 7.0 for enhanced hardware support and performance. Whether you’re a developer, creator, or everyday user, this release emphasises Wayland maturity, modern security, and seamless integration with the open source world. Kubuntu 26.04 LTS will receive security updates and critical fixes through April 2029, making it an excellent choice for home users, schools, businesses, and anyone who values a dependable, beautiful desktop." The announcement mentions users who are upgrading from previous versions should backup and clean their ~/.config directory to avoid breaking changes to Plasma's configuration. Download: kubuntu-26.04-desktop-amd64.iso (4,834MB, SHA256, signature, torrent, pkglist).
The Kubuntu project has announced the availability of Kubuntu 25.10. The new release runs Plasma 6.4, uses a Wayland session by default, and introduces Rust-based core utilities. "Here are three standout enhancements that Kubuntu 25.10 brings to your desktop, designed to make your workflow faster, more secure, and visually stunning: KDE Plasma 6.4, a refined and responsive desktop dive into the fifth feature release of Plasma 6, complete with Qt 6.8 and Frameworks 6.17.0. This update refines the desktop with smoother animations, improved widget customization, and better multi-monitor handling. It's a big win for productivity, letting you tailor your environment like never before while enjoying the stability of Ubuntu's core. Plasma Wayland as default session, say goodbye to legacy X11 limitations - Wayland is now the go-to session for superior graphics rendering, reduced latency, and enhanced security. With hardware-accelerated compositing baked in, you'll notice snappier video playback and app responsiveness. (X11 fans, no worries: it's still available via a simple package install.) This shift future-proofs your setup for the next era of Linux desktops. Rust-powered sudo-rs for safer system management leveraging Ubuntu's new memory-safe implementations, Kubuntu defaults to sudo-rs, a Rust-based re-implementation of sudo. " Additional details can be found in the release announcement. Download: kubuntu-25.10-desktop-amd64.iso (4,713MB, SHA256, signature, torrent, pkglist).
The Kubuntu project has announced the release of Kubuntu 25.04 which features version 6.3 of the Plasma desktop. The release announcement shares the highlights: "The Kubuntu team is happy to announce that Kubuntu 25.04 has been released. Code-named 'Plucky Puffin', Kubuntu 25.04 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. The release features the latest KDE Plasma 6.3 desktop, KDE Gear 24.12.3, Linux kernel 6.14 and many other updated applications and libraries. Applications for core day-to-day usage are included and updated, such as Firefox and LibreOffice. In addition to the applications on our install media, 25.04 benefits from the huge number of applications in the Ubuntu archive, plus those installable via snap or other methods. Plasma Wayland session is the default option in sddm (display manager login screen). An X11 session can be selected instead if desired. The last-used session type will be remembered, so you do not have to switch type on each login. Please refer to our release notes for further details." Download: kubuntu-25.04-desktop-amd64.iso (4,482MB, SHA256, signature, torrent, pkglist).
The Kubuntu team have announced the release of Kubuntu 24.10, a short-term release version which offers nine months of support. The new release features KDE Plasma 6.1 and defaults to using a Wayland desktop session. "The Kubuntu team is happy to announce that Kubuntu 24.10 has been released, featuring the new and beautiful KDE Plasma 6.1 simple by default, powerful when needed. Under the hood, there have been updates to many core packages, including a new 6.11 based kernel, KDE Frameworks 5.116 and 6.6.0, KDE Plasma 6.1 and many updated KDE gear applications. Kubuntu has seen many updates for other applications, both in our default install and installable from the Ubuntu archive. Applications for core day-to-day usage are included and updated, such as Firefox and LibreOffice. The Plasma Wayland session is now the default option in sddm (display manager login screen). An X11 session can be selected instead if desired. The last used session type will be remembered, so you do not have to switch type on each login." The release announcement offers additional details. Download: kubuntu-24.10-desktop-amd64.iso (4,462MB, SHA256, signature, torrent, pkglist).
Aaron Honeycutt has announced that Kubuntu 24.04, a popular member of the Ubuntu family of distribution featuring the KDE Plasma desktop, has been released. Despite the KDE project's recent release of Plasma 6, the new Kubuntu continues with a tried-and-tested Plasma 5.27 as the default desktop: "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. Code-named '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 5.115, KDE Plasma 5.27 and KDE Gear 23.08. Kubuntu has seen many updates for other applications, both in our default install and installable from the Ubuntu archive. Haruna, Krita, Kdevelop, Yakuake and many many more applications are updated. Applications for core day-to-day usage, such as Firefox and LibreOffice, are included and updated." Here are the release announcement (with a screenshot of the default desktop) and the release notes with a few more details. Download: kubuntu-24.04-desktop-amd64.iso (3,933MB, SHA256, signature, torrent, pkglist).
Kubuntu is the last of the Ubuntu family of Linux distribution that announced the release of version 23.10. The product ships with KDE Plasma 5.27, KDE Frameworks 5.110 and KDE Gear 23.08: "The Kubuntu team is happy to announce that Kubuntu 23.10 has been released, featuring the beautiful KDE Plasma 5.27, simple by default, powerful when needed. Code-named 'Mantic Minotaur', Kubuntu 23.10 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 6.5-based kernel, KDE Frameworks 5.110, KDE Plasma 5.27 and KDE Gear 23.08. Kubuntu has seen many updates for other applications, both in our default install and installable from the Ubuntu archive. Haruna, Krita, Kdevelop, Yakuake and many many more applications are updated. Applications for core day-to-day usage are included and updated, such as Firefox and LibreOffice." See the brief release announcement and the more detailed release notes for further information. Download: kubuntu-23.10-desktop-amd64.iso (3,751MB, SHA256, signature, torrent, pkglist).
Version 23.04 of the Kubuntu distribution has been announced. The project's latest release includes the KDE Plasma 5.27 desktop and PulseAudio has been replaced by PipeWire as the default audio server. "The Kubuntu team is happy to announce that Kubuntu 23.04 has been released, featuring the 'beautiful' KDE Plasma 5.27 simple by default, powerful when needed. Codenamed 'Lunar Lobster', Kubuntu 23.04 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 6.2-based kernel, KDE Frameworks 5.104, KDE Plasma 5.27 and KDE Gear 22.12. Kubuntu has seen many updates for other applications, both in our default install, and installable from the Ubuntu archive. Krita, Kdevelop, Yakuake and many many more applications are updated. Applications for core day-to-day usage are included and updated, such as Firefox, VLC and LibreOffice. PipeWire also replaces PulseAudio as the default audio server." The release announcement and release notes offer additional details. Download: kubuntu-23.04-desktop-amd64.iso (4,721MB, SHA256, signature, torrent, pkglist).
Kubuntu 22.10 has been released. The latest version of the official Ubuntu edition that features the KDE Plasma desktop comes with KDE Frameworks 5.98, KDE Plasma 5.25 and KDE Gear 22.08: "The Kubuntu team is happy to announce that Kubuntu 22.10 has been released. It features the 'beautiful' KDE Plasma 5.25, simple by default, powerful when needed. Under the hood, there have been updates to many core packages, including a new 5.19-based Linux kernel, KDE Frameworks 5.98, KDE Plasma 5.25 and KDE Gear 22.08. Kubuntu has seen many updates for other applications, both in our default install, and installable from the Ubuntu archive. Krita, Kdevelop, Yakuake and many many more applications are updated. Applications for core day-to-day usage, such as Firefox, VLC and LibreOffice, are included and updated. PipeWire also replaces PulseAudio as the default audio server. Note - for upgrades from 22.04, there may a delay of a few hours to days between the official release announcements and the Ubuntu release team enabling upgrades." See the release announcement and the release notes for further information. Download: kubuntu-22.10-desktop-amd64.iso (4,060MB, SHA256, signature, torrent, pkglist).
Kubuntu is an official Ubuntu community edition which features the KDE Plasma desktop. The project's latest version, 22.04, features three years of support. This release includes some of the latest LTS software fro the KDE project, including Plasma 5.24. "Under the hood, there have been updates to many core packages, including a new 5.15-based kernel, KDE Frameworks 5.92, Plasma 5.24 LTS and KDE Gear (formerly Applications) 21.12.3. Kubuntu has seen many updates for other applications, both in our default install, and installable from the Ubuntu archive. Elisa, KDE connect, Krita, Kdevelop, Digikam, Latte-dock, and many many more applications are updated. Applications that are key for day-to-day usage are included and updated, such as Firefox, VLC and Libreoffice. For this release we provide Thunderbird for email support, however the KDE PIM suite (including kontact and kmail) is still available to install from the archive." Additional details are presented in the release announcement and in the release notes. Download: kubuntu-22.04-desktop-amd64.iso (3,504MB, SHA256, signature, torrent, pkglist).
The Amnesic Incognito Live System (Tails) is a Debian-based live DVD/USB with the goal of providing complete Internet anonymity for the user. The product ships with several Internet applications, including web browser, IRC client, mail client and instant messenger, all pre-configured with security in mind and with all traffic anonymised. To achieve this, Incognito uses the Tor network to make Internet traffic very hard to trace.