The title is accurate but the description is pretty far off. The problem is that a RadBusyIndicator with a DisplayAfter of 1.5 seconds and IsBusy=true will initially set its contents to disabled and then enable the contents when IsBusy becomes false. The
Content of RadBusyIndicator should be disabled after the DisplayAfter time has expired. Available in LIB version 2015.3.1207, it will be also available in the 2016 Q1 release.