The Kubuntu team would like to ship with KDE SC 4.13 in Trusty.
Due to KDE's realigned schedule for the software compilation this no longer fits in easily with the Ubuntu release schedule getting its final tag on April 9th the day before final freeze.
To start with we'd like to upload 4.13 Beta 1 today.
A list of new features can be found at
http://techbase.kde.org/Schedules/KDE4/4.13_Feature_Plan
The only new package is astrometry.net needed by kstars to do image recognition of a photo of the sky.
Marble gets an ABI bump and adds its own libastro, its own astronomy library.
The biggest new feature is the change from Nepomuk semantic and search engine to Baloo. This is far more reliable and simple. It means dropping virtuoso as a database and swapping to xapian which is much more light weight and usable. Most applications have been ported to Baloo and we expect to drop Nepomuk features from those which have not which are currently Amarok, Digikam and Plasma Media Centre.
The packages are currently in ppa:kubuntu-