I'm using lastest version
In offical demo i found a problem, i don't know that is a issue or any thing.
When i use DropDownList Virtualization, i filter "LILA-Supermercado" then selected a value 10780, then fire change event (that true)
Then, I open and close dropdownlist, does not choose any thing, just open and close, dropdownlist fire change event again (that not true)
this happen with any value which not loading before scroll.
some one help me