As of July 20, 2023, 22.10 reached ‘end of life’.

No more package updates will be accepted to 22.10, and it will be archived in the coming weeks.

You can read the official end of life announcement for Ubuntu as a whole.

Kubuntu 23.04 Lunar Lobster continues to be supported.

Users of 22.10 can follow the Kubuntu 22.10 to 23.04 Upgrade instructions.

Should for some reason your upgrade be delayed, and you find that the 22.10 repositories have been archived, instructions to perform a EOL Upgrade can be found on the Ubuntu wiki.

Thank you for using Kubuntu 22.10 Kinetic Kudu.

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.

For a list of other application updates, and known bugs be sure to read our release notes.

Download Kubuntu 23.04, or learn how to upgrade from 22.10.

Note: For upgrades from 22.10, there may a delay of a few hours to days between the official release announcements and the Ubuntu Release Team enabling upgrades.

This milestone features images for Kubuntu and other Ubuntu flavours.

Pre-releases of Kubuntu Lunar Lobster 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:

• Regular users who want to help us test by finding, reporting, and/or fixing bugs
• Kubuntu, KDE, and Qt developers
• Other Ubuntu flavour developers

The Beta includes some software updates that are ready for broader testing. However, it is an early set of images, so you should expect some bugs.

We STRONGLY advise testers to read the Kubuntu 23.04 Beta release notes before installing, and in particular the section on ‘Known issues‘.

Kubuntu took part in ‘Ubuntu Testing Week’ from March 2nd to March 9th. Details for all flavours are available on the Ubuntu Discourse announcement.

You can also find more information about the entire 23.04 release (base, kernel, graphics etc) in the main Ubuntu Beta release notes and announcement.

To enable Flatpaks in KDE’s Discover in Kubuntu 23.04, run this command:

sudo apt install flatpak plasma-discover-backend-flatpak

To enable the largest Flatpak repository, run this command:

flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo


Log out and log back in (or restart) to re-initialize the XDG_DATA_DIRS variable, otherwise, newly installed Flatpak apps will not run or appear in the startup menu.

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 add the PPA and upgrade, do:

sudo add-apt-repository ppa:kubuntu-ppa/backports && sudo apt full-upgrade -y

We hope keen adopters enjoy using Plasma 5.27.2!

Note that Plasma 5.27 is also available for our current development version, Lunar Lobster, to become Kubuntu 23.04.

We currently have Plasma 5.25.90 (Plasma 5.27 Beta) available in our Beta PPA for Kubuntu 22.10 and for the 23.04 development series.

However this is a beta release, and we should re-iterate the disclaimer from the upstream release announcement:



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. You risk crashes and loss of data.



5.27 Beta packages and required dependencies are available in our Beta PPA. The PPA should work whether you are currently using our backports PPA or not. If you are prepared to test via the PPA, then add the beta PPA and then upgrade:

sudo add-apt-repository ppa:kubuntu-ppa/beta && sudo apt full-upgrade -y

Then reboot.

In case of issues, testers should be prepared to use ppa-purge to remove the PPA and revert/downgrade packages.

Kubuntu is part of the KDE community, so this testing will benefit both Kubuntu as well as upstream KDE Plasma software, which is used by many other distributions too.

• If you believe you might have found a packaging bug, you can use launchpad.net to post testing feedback to the Kubuntu team as a bug, or give feedback on IRC [1], or mailing lists [2].
• If you believe you have found a bug in the underlying software, then bugs.kde.org is the best place to file your bug report.

Please review the release announcement and changelog.

[Test Case]
* General tests:
– Does plasma desktop start as normal with no apparent regressions over 5.26?
– General workflow – testers should carry out their normal tasks, using the plasma features they normally do, and test common subsystems such as audio, settings changes, compositing, desktop affects, suspend etc.
* Specific tests:
– Check the changelog:
– Identify items with front/user facing changes capable of specific testing.
– Test the ‘fixed’ functionality or ‘new’ feature.

Testing may involve some technical set up to do, so while you do not need to be a highly advanced K/Ubuntu user, some proficiently in apt-based package management is advisable.

Testing is very important to the quality of the software Ubuntu and Kubuntu developers package and release.

We need your help to get this important beta release in shape for Kubuntu and the KDE community as a whole.

Thanks!

Please stop by the Kubuntu-devel IRC channel on libera.chat if you need clarification of any of the steps to follow.

[1] – #kubuntu-devel on libera.chat
[2] – https://lists.ubuntu.com/mailman/listinfo/kubuntu-devel


Codenamed “Kinetic Kudu”, Kubuntu 22.10 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 5.19-based 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 are included and updated, such as Firefox, VLC, and LibreOffice.

PipeWire also replaces PulseAudio as the default audio server.

For a list of other application updates, and known bugs be sure to read our release notes.

Download Kubuntu 22.10, or learn how to upgrade from 22.04.

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.

The beta of Kubuntu Kinetic Kudu (to become 22.10 in October) has now been released, and is available for download.

This milestone features images for Kubuntu and other Ubuntu flavours.

Pre-releases of Kubuntu Kinetic Kudu 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:

• Regular users who want to help us test by finding, reporting, and/or fixing bugs
• Kubuntu, KDE, and Qt developers
• Other Ubuntu flavour developers

The Beta includes some software updates that are ready for broader testing. However, it is an early set of images, so you should expect some bugs.

We STRONGLY advise testers to read the Kubuntu 22.10 Beta release notes before installing, and in particular the section on ‘Known issues‘.

Kubuntu is taking part in ‘Ubuntu Testing Week’ from September 29th to October 6th. Details for all flavours are available on the Ubuntu Discourse announcement.

You can also find more information about the entire 22.10 release (base, kernel, graphics etc) in the main Ubuntu Beta release notes and announcement.

We currently have Plasma 5.25.90 (Plasma 5.26 Beta) available in our Beta PPA for Kubuntu 22.04 and for the 22.10 development series.

However this is a beta release, and we should re-iterate the disclaimer from the upstream release announcement:

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. You risk crashes and loss of data.

https://kde.org/announcements/plasma/5/5.25.90/

5.26 Beta packages and required dependencies are available in our Beta PPA. The PPA should work whether you are currently using our backports PPA or not. If you are prepared to test via the PPA, then add the beta PPA and then upgrade:

sudo add-apt-repository ppa:kubuntu-ppa/beta && sudo apt full-upgrade -y

Then reboot.

In case of issues, testers should be prepared to use ppa-purge to remove the PPA and revert/downgrade packages.

Kubuntu is part of the KDE community, so this testing will benefit both Kubuntu as well as upstream KDE Plasma software, which is used by many other distributions too.

• If you believe you might have found a packaging bug, you can use launchpad.net to post testing feedback to the Kubuntu team as a bug, or give feedback on IRC [1], or mailing lists [2].
• If you believe you have found a bug in the underlying software, then bugs.kde.org is the best place to file your bug report.

Please review the release announcement and changelog.

[Test Case]
* General tests:
– Does plasma desktop start as normal with no apparent regressions over 5.24?
– General workflow – testers should carry out their normal tasks, using the plasma features they normally do, and test common subsystems such as audio, settings changes, compositing, desktop affects, suspend etc.
* Specific tests:
– Check the changelog:
– Identify items with front/user facing changes capable of specific testing.
– Test the ‘fixed’ functionality or ‘new’ feature.

Testing may involve some technical set up to do, so while you do not need to be a highly advanced K/Ubuntu user, some proficiently in apt-based package management is advisable.

Testing is very important to the quality of the software Ubuntu and Kubuntu developers package and release.

We need your help to get this important beta release in shape for Kubuntu and the KDE community as a whole.

Thanks!

Please stop by the Kubuntu-devel IRC channel on libera.chat if you need clarification of any of the steps to follow.

[1] – #kubuntu-devel on libera.chat
[2] – https://lists.ubuntu.com/mailman/listinfo/kubuntu-devel


See the Ubuntu 20.04.5 Release Notes and the Kubuntu Release Notes.

Download all available released images.

The first point release is also significant because it is the default upgrade version for users of Kubuntu 20.04 LTS (Focal Fossa).

See the Ubuntu 22.04.1 LTS Release Announcement, the Ubuntu 22.04.1 Release Notes, and the Kubuntu Release Notes.

Download all available released images.