More GNOME 2.4
Let me tell you what works out of the box in this Fedora: Nautilus burning CDROMs by drag-n-drop!
More: Panels are now all unified as a single type of panel. Locking applets is available too.
And well, as like the previous version, Persian support works everywhere: Chattin Persian in both GAIM and XChat! Epiphany, the new default browser seems to be a good one too.