These release notes for Kubuntu 22.04 (Jammy Jellyfish) provide an overview of the release and document the known issues.
Details of the changes in the Ubuntu base, including kernel, toolchain and build options can be found in the main Ubuntu Release Notes.
Kubuntu 22.04 will be supported for 3 years.
Getting Kubuntu 22.04 LTS
Upgrading from 20.04 or 21.10
Upgrades to 22.04 LTS are currently not enabled (due a bug with snapd and update-notifier) but will be in the next couple of days.
Detailed upgrade instructions can be found here: Upgrade Kubuntu to 22.04
Download a Disk Image
Download a Bootable image. Direct downloads, torrents, and zysnc are available as options.
New features and changes in 22.04
Core desktop and applications
Plasma 5.24: simple by default, powerful when needed
Plasma 5.24 has been developed to make it smoother to use while retaining the familiar setup.
Kubuntu 22.04 ships the 4th scheduled bugfix release of KDE Plasma 5.24 (5.24.4).
KDE Apps updates, including KDE Gear 21.12 and other updated apps
Web browser and office suite
Firefox 99 is the default browser, using a snap from the Ubuntu archive.
LibreOffice 188.8.131.52 is provided by default in the full installation.
Kubuntu 22.04 ships with Qt 5.15.3
Other new and updated applications in the Ubuntu archive
- VLC Media Player is upgraded to version 3.0.16
- kio-fuse is now installed by default since 21.10
- kdevelop is updates to the latest version
DigiKam 7 is now packaged
- labplot is updated and now builds with cantor support
Plasma Wayland session
- A Plasma Wayland session is available for testing by installing the plasma-workspace-wayland package, but is not supported. A Wayland session can then be started by selecting it at the login screen.
Installer and live session
(1967015) Release notes link in KDE frontend launches Kate
(1681144) Clicking on URLs in Kubuntu Installer Slideshow does nothing
(1681830) Ubiquity installer - No Label shown for where to enter LVM Encryption Passwords fields
(1706859) Auto-selected keyboard layout no longer matches chosen region on "Where are you" page
ZFS on root installer support
This was not implemented for the KDE front-end to the Ubiquity installer.
(1442512) Apport-kde crash when reporting bugs