Hopefully the dust has now settled on the first batch of changes to the Raspbian desktop which were made available at Christmas, and you’ve either a) decided you like them, or b) decided you hate them and have rolled back to a previous version, never to upgrade again. If you are in group b), I suggest you stop reading now… The next set of desktop changes are now available.

Go here to read the rest:
Another Raspbian Desktop User Interface Update