When click and keep the mouse button down into the RadTimebar control and at the same time tap outside the application, InvalidOperationException is thrown. The issue is reproducible on Window 7 OS. Fix available in LIB Version 2016.1.328.
The value of the MinZoomRange property is incorrect after changing the the PeriodStart and PeriodEnd from code-behind. Fixed in Q3 2014
RadTimeBar throws XamlParseException when current culture is arabic. Workaround: Create a custom class that inherits from Telerik.Windows.Controls.TimeBar.SelectionThumb and explicitly sets the TitleFormatString property to your custom format string in the constructor. Edit the Template of the RadTimeBar control - find the SelectionThumb instance in the template and replace it with an instance of the CustomSelectionThumb class.