A link to the full list of the latest changes on Geocaching.com, but here is a summary (some may only be available to premium members)

Favourites - now show % as well as a number (of PM finds)

Maps (beta) - now includes topo mapping and options to display or remove your cache finds and filter by cache type.

More Stats - Additional tabs have been added (within statistics) that show maps and milestones.
You can choose how much/little is displayed by going to 'Your Account Details' page.