A new upstream version of Unity is available for update. There are plenty of bug fixes !
Most notables are:
3.8.14-0ubuntu1~natty1
3.8.16-0ubuntu1~natty1
* New upstream version:
– Unable to load icon text-x-preview at size 48 in a loop (lp: #794556)
– Display garbled upon restoring original resolution (lp: #795454)
– Display garbled upon connecting external displays (lp: #795458)
– Panel disappears after resolution change (lp: #795459)
– Dragging the launcher with right mouse button is
confusing as menu pops up (lp: #735031)
– In a double monitor setup the Unity top panel in the second screen is
cut at the right (lp: #750481)
– Menu key should open quicklist for the selected item in the launcher
(lp: #750778)
– unity is spamming ~/.xsession-errors when windows are closed
(lp: #767642)
– Dash button ignores transparency when clicked. (lp: #767733)
* Revert commit for bug #769335, to fix a launcher autohidding issue
You can check the Update Manager of Ubuntu 11.04 and press refresh – install. Or you can use 2Click Update that will automatically do the job for you.