Upgrade Information for Revit LT 2016

Some new and changed features of Revit LT 2016 result in certain behaviors for upgraded models.

• Change in behavior when filtering parameter value Does Not Equal "<blank field>":

  Filters now behave more consistently when using the "Does Not Equal" qualifier and a blank field. Blank fields caused by a deleted value and blank fields caused by a value never being defined will now both be included in filtering.