Wordpress 3.8 (Parker) is now available for download. What’s new in this releas?
The new responsive admin design.
New Open Sans typeface.
new vector-based icons.
New eight new admin color schemes.
Refined theme management.
New default theme, Twenty Fourteen.
The dashboard homepage has been refreshed, poke and prod it.
Choosing themes under Appearance is completely different, try to break it however possible.