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.

Support lifespan

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

Other highlights/notes

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.

Known issues

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.

Other issues

Older bugs:

  • (1442512) Apport-kde crash when reporting bugs


You can give us feedback on Facebook or Twitter.

ImpishIndri/ReleaseNotes/Kubuntu (last edited 2021-10-15 00:35:12 by marco-parillo)