See original release announcement for details:
http://kde.org/announcements/announce-4.2.3.php
New ports:
devel/kdebindings4:
Meta port of KDE bindings for C#, Java, PHP, Python and Ruby.
Currently only Python bindings are supported.
devel/kdebindings4-python, devel/kdebindings4-python-krosspython,
devel/kdebindings4-python-pykde4:
Python bindings for KDE.
print/kdeutils4-printer-applet:
printer-applet is a system tray utility. It shows current print jobs,
shows printer warnings and errors and shows when printers that have
been plugged in for the first time are being auto-configured by
hal-cups-utils. It replaces kjobviewer in KDE 3.
print/system-config-printer-kde
A port of Gnome system-config-printer to KDE.