Ubuntu’s default file manager Nautilus getting major surgery and new look in forthcoming Ubuntu 12.10.
However, the changes are still in beta. Hence, the Filemanager looks bit strange with the default theme Ambiance. Luckily, this isn’t permanent look as the theming support will be addressed.
The noticeable changes in the filemanager are:
Use of symbolic icons in the sidebar
Just type searching
Sidebar entry reordering
Icons show at 32px by default
New date list view