These release notes for Kubuntu 21.10 (Impish Indri) 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 21.10 will be supported for 9 Months.
Getting Kubuntu 21.10
Upgrading from 21.04
Detailed upgrade instructions can be found here: Upgrade Kubuntu 21.04 to 21.10
Download a Disk Image
Download a Bootable image. Direct downloads, torrents, and zysnc are available as options.
New features and changes in 21.10
Core desktop and applications
Plasma 5.22: simple by default, powerful when needed
Plasma 5.22 has been developed to make it smoother to use while retaining the familiar setup.
Kubuntu 21.10 ships the 5th scheduled bugfix release of KDE Plasma 5.22 (5.22.5).
KDE Apps updates, including KDE Gear 21.08 and other updated apps
Web browser and office suite
Firefox 92 is the default browser, using the native debian (.deb) package from the Ubuntu archive.
LibreOffice 7.2.1 is provided by default in the full installation.
Kubuntu 21.10 ships with Qt 5.15.2
Other new and updated applications in the Ubuntu archive
Latte-dock is updated to the new 0.10 with many new features and improvements.
- Krita is now at the latest bugfix release 4.4.8
Plasma Wayland session
- A Plasma Wayland session is installed, but is not the default. A Wayland session can be started by selecting it at the login screen.
Installer and live session
(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