Currenly if you update the Value it will update the text as well preventing further digits to be entered in a meaningful way.

Research and implement if possible to choose seconds TimeInterval.

There should be a property like StringFormat, which can be set to something like "dd.MM". This is really common way across all wpf controls, and it's frustrating that currently it can be done only using code-behind. It's not MVVM friendly at all.

Available in LIB version 2016.3.1017, it will be also available in the 2016 R3 SP1 release.

Available in LIB version 2016.3.1017, it will be also available in the 2016 R3 SP1 release. 

This is an issue with both a binding and a hard-set value

Used to clear the Input field and set the SelectedValue to null, include dependency properties like ClearButtonVisibility and ClearButtonContent.

RadDateTimePicker cannot parse datetime string when Windows date format is set to "Chinese (Traditional, Taiwan)".

For example if you have 12:00 selected and input 15:03 in the WatermarkTextbox- 12:00 item of the Clock is still selected

RadDateTimePicker ControlTemplate: PopupPlacementTarget in RadDropDownButton is not respected when FlowDirection of RadDateTimePicker is RTL. PopupWrapper issue.

A client could change the TimeZoneInfo in the DateTimePicker control so it will shows the DateTime information different from the current machine.

Available with the 2016 R2 Release.

Can you please add a property CustomFormat to RadDateTimePicker?  Possibly we should have 3 options for DisplayMode: Short, Long and Custom.  If Custom is selected, user can specify format into CustomFormat field.  Ex. CustomFormat = "MMM dd, yyyy".  Also, make this field bindable, so that it can be specified from the ViewModel.

Forbid typing a date earlier or later than a date if SelectableDateStart/SelectableDateEnd are set. Can be achieved by custom parsing.

Available in the 2016 Q1 Release: Implemented IsInputRestrictedToSelectableDates property in order to allow only selecting dates by input in the selectable range (when SelectableDateStart/SelectableDateEnd/BlackoutDates are used).

Added TodayButtonVisibility and TodayButtonContent properties for showing/hiding a button that selects current date and time - available in the 2016 Q1 Release.

Available in LIB version 2015.3.1026, it will be also available in the 2015 Q3 SP.