One security update has been released on -Current which is GIT. It fixed XSS vulnerability in gitweb. Java packages (JRE/JDK) are also being upgraded to update 23. Another packages which gets a lift are MPlayer, udev, and ConsoleKit.
A new package phonon-mplayer is now being added to official package in Slackware. It will add phonon backend to KDE, which is the best solution so far if you are testing KDE 4.6 Beta 2 since the default backend (xine/gstreamer) does not work well if you disable HAL.