Enhancements in package management by way of pirut and yum-updatesd, which combine to provide a notification applet, alerting the user when there is updated software available.
A rewritten system-config-printer tool, which has several new features. Devices are detected on-demand as necessary, and support for per-user queues is available, so users can customize their printer settings without having to modify system-wide configurations.
GNOME 2.16 and KDE 3.5.4, as well as the latest upstream versions of many standard open source applications, such as Firefox and OpenOffice.org.
Fedora Core 6 ships with the 2.6.18 Linux Kernel , and there are no longer separate kernels for multi-processor and single-processor architectures. A single kernel now automatically detects your processor.
X.org 7.1 is included, and it dynamically configures monitor resolution and refresh rates to limit the amount of required user configuration.
Improved i18n support using the default SCIM input method, including more languages such as Sinhalase (Sri Lanka) and Oriya, Kannada, and Malayalam (India). Fedora Core now provides an easy interface to switch the input methods using im-chooser.
The GNOME 1.x legacy stack has been removed from Fedora Core, and added to Fedora Extras.