* Currently in patch 2.2 Blizzard changed the unit attribute resolution. As a result, a unit attribute of "nil" is different from a unit attribute that has never been set. This release works around this issue by only setting the attribute if you've set it in your configuration.

* Currently in patch 2.2 Blizzard changed the unit attribute resolution.  As a result, a unit attribute of "nil" is different from a unit attribute that has never been set.  This release works around this issue by only setting the attribute if you've set it in your configuration.
* If you set the "unit" argument for a given custom type, and then clear it, you will need to reload your UI in order to get teh change applied.  This should not affect the average user in any way.