Quote Originally Posted by Daniil View Post
The bug has been fixed in SVN trunk and will be included into the next release.

Searching on key will occur only if a SelectBox is expanded.
It conflicts with a SelectBox's destination. Its destination is to emulate an HTML select element. It does searching if a drop down list is not expanded. I will revert this change back and commit another fix to avoid a JavaScript on key with a non-expanded drop down list.

Here is a related post.
http://forums.ext.net/showthread.php...l=1#post119112