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Update for 16.04.4 point release
Upgrade from the 14.04 LTS is still problematic. Please install a fresh copy of 16.04.4 after running a backup of all your data. Download here.
Adding the Backports PPA will bring in the Plasma 5.8.8 bugfix upgrade. https://kubuntu.org/news/plasma-5-8-8-lts-and-krita-3-3-2-1-now-in-xenial-backports-ppa/
Known Issues
(1665385) Dragon player will not play .mp3/mp4 video with default Nouveau driver (even with kubuntu-restricted-extras installed). VLC plays fine with Nouveau driver.
The driver-manager bug lingers into this point release. To temporarily fix, in a Konsole do:
sudo apt install apt-xapian-index && sudo update-apt-xapian-index
General notes for 16.04 LTS
These release notes for Kubuntu 16.04 LTS (Xenial Xerus) provide an overview of the release and document the known issues with Kubuntu 16.04 LTS.
Support lifespan
Kubuntu 16.04 LTS will be supported for 3 years.
Getting Kubuntu 16.04
Upgrading from 15.10 |
Download a Disk Image |
To upgrade to Kubuntu 16.04 from 15.10, open Muon Update Manager, update your system and click on Upgrade. |
Download a Bootable image; here are some tips to put the image onto a DVD or USB Drive |
14.04 LTS to 16.04 LTS upgrade
WARNING: LTS to LTS upgrade to Xerus is currently problematic and should not be attempted. Please install a fresh copy of 16.04 instead. To prevent messages about upgrading, change Prompt=lts to Prompt=normal or Prompt=never in the /etc/update-manager/release-upgrades file.
Designed to be a Breeze, Plasma 5 is now the default
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Plasma 5, the next generation of KDE's desktop has been rewritten to make it smoother to use while retaining the familiar setup. The fifth set of updates to Plasma 5 (current release and current bugfixes for January) is the default in this version of Kubuntu. |
KDE Applications 15.12
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Kubuntu comes with KDE Applications 15.12 containing all your favorite apps from KDE, including Dolphin. Even more applications have been ported to KDE Frameworks 5 but those which aren't should fit in seamlessly. |
Known Problems
(1665385) Dragon player will not play .mp3/mp4 video with default Nouveau driver (even with kubuntu-restricted-extras installed). VLC plays fine with Nouveau driver.
(1530523) kcm_driver_manager: Infinitely shows Collecting information - To temporarily fix, in a Konsole do:
sudo apt install apt-xapian-index && sudo update-apt-xapian-index
Please also take note of the Ubuntu Release Notes, that might contain additional information.
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Further information
You may also want to look at the Ubuntu Release Notes and the Kubuntu 16.04.4 LTS Release Announcement