KDE 4.2 Release Candidate 1 has been released and packages are available for Kubuntu 9.04 "Jaunty". Packages for Kubuntu 8.10 "Intrepid" are compiling and will be available shortly, check back soon if they are not all available when you read this. Read more for details.
This is a beta quality release and may yet prove to be unstable at times. This release will allow you to follow closely with what is going on in the KDE 4.2 development branch. Some of your plasmoids from KDE 4.1 may be incompatible with KDE 4.2 (and will be removed during the upgrade).
For more information about the release itself, please see the Release Announcement
Packages for the development Jaunty release are available. If you use Jaunty you will be able to upgrade as normal. Note that due to the holidays, the red tape needed to include libmsn in main has not been cleared yet. MSN support for Kopete will go in to Jaunty before it is released, however.
Packages for (K)Ubuntu 8.10 can be installed by following the instructions below. If you installed KDE 4.1 Beta2 you can merely update your existing installation.
The updated packages for Kubuntu 8.10 are located in the Kubuntu Experimental Software Personal Package Archive (PPA) repository. To update to KDE 4.1.96 (4.2 RC 1), please follow these instructions:
There probably will at least a few bugs with this release and it is recommended that you do not file bug reports against the packages in this release. If you come across any issue which may be packaging related, it is recommended that you join the Kubuntu IRC channel (#kubuntu on irc.freenode.net) and query those in the channel for assistance.
Thanks to Harald "apachelogger" Sitter, Jonathan Riddell, Jonathan Thomas (aka JontheEchidna), Scott "ScottK" Kitterman and Steve Stalcup (aka vorian) for preparing and uploading these packages. Big thanks go to Nathan Handler "nhandler", the newest Kubuntu ninja.
If you want to see your name above, then join the Kubuntu Team.
More information is available in the Kubuntu Wiki