Introduction
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.
Support lifespan
Kubuntu 22.04 will be supported for 3 years.
Getting Kubuntu 22.04 LTS
Upgrading from 20.04 or 21.10
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
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 7.3.2.2 is provided by default in the full installation.
Qt
Kubuntu 22.04 ships with Qt 5.15.3
Get Kubuntu 22.04 LTS Here....
https://kubuntu.org/getkubuntu/
source : https://wiki.ubuntu.com/JammyJellyfish/ReleaseNotes/Kubuntu