Today, KDE has made available 4.5.3, the November updates to the Plasma workspaces, the applications built on top of KDE's platform, and the platform itself. This release, as all x.y.z updates, contains bugfixes, performance improvements and localization updates only. As such, it's a safe upgrade and recommended for everyone running 4.5.2 or earlier. The update contains a number of fixes in Okular, Dolphin and a series of KDE games. Also, the new shared data cache continues to mature.