The KDE Project announced a few minutes ago, December 4, that the second Beta release of the upcoming KDE 4.10 desktop environment is now available for download and testing.
KDE 4.10 Beta 2 is a bug fix release, which further improves the stability and the quality of the upcoming KDE 4.10 desktop environment, which will see the light of day on January 23, 2013.
KDE 4.10 will bring features like Qt Quick in Plasma Workspaces, a new screen locker, animated wallpapers, improved Zooming in Okular, faster indexing, color correction, notifications, new print manager, improved Kate text editor, KTouch, libkdegames improvements, KSudoku and KJumpingCube.
Download KDE 4.10 Beta 2 sources
right now from Softpedia. Remember that this is a beta version and it should NOT be installed on production machines. It is intended for testing purposes only.