Here is the link to the example in the XAML SDK Repository:

https://github.com/telerik/xaml-sdk/tree/master/ScheduleView/Database

When the appointment is few days long and the IsAllDayEvent is Not set, the appointment is rendered on the previous day. The DayStartTime should also be set to something different then 0:00h.

You can't set monthly recurrence pattern for more than 12 months, it is automatically reset to 12.

Available in LIB version 2015.3.1123, it will also be available in the 2016 Q1 release.

Available in LIB version 2016.2.530, it will be also available in the 2016 R2 SP1.

Currently, if you add an appointment that is partially in two days (lets say, start=16 Jan 2024 23:00:00; end=17 Jan 2024 13:00:00), two AppointmentItem containers are created so that the appointment continues drawing on the next day. This is the expected behavior and it brings clear visualization of the corresponding event.

In some scenarios, the user may not want to see the second AppointmentItem. For example, if the day is defined to be more than 24 hours (via the DayStart/EndTime of the DayViewDefinition). In that case, the day group may be enough to show the full appointment, so the user may not want to see the second AppointmentItem in the next day.

Add a mechanism that allows you cancel the creation of the second AppointmentItem. This could be a property that tells if the continued AppointmentItem should be created, or a method override, or a filter (like the OccurrenceFilter or AppointmentFilter).

This is valid for the DayView and the WorkDayView but it could be researched if applicable also for other views.

Currently, the maximum height of an appointment is determined by the MinorTickLength applied. If the slots between the ticks are too small, the appointment's subject will be clipped vertically. In Outlook there is a mechanism that applies something like a minimum height which allows the subject to be drawn regardless the actual size of the appointment.

The DragDropState.TargetedApppointment property is not updated correctly when dropping an item from an external source. For example drag-drop an object from RadGridView control.

There is a fixed value of 16px set for the Height of the GroupHeader. Thus, when a FontSize bigger than 16px is set, the Text is cut off as the GroupHeader is not resized. The workaround is to predefine the GroupHeaderContentTemplateSelector and remove the fixed Height that is set through it. 

<telerik:GroupHeaderTemplateSelector x:Key="GroupHeaderContentTemplateSelector">
                <telerik:GroupHeaderTemplateSelector.HorizontalTemplate>
                    <DataTemplate>
                        <ContentPresenter Content="{Binding FormattedName}"  Margin="4" />
                    </DataTemplate>
                </telerik:GroupHeaderTemplateSelector.HorizontalTemplate>

                <telerik:GroupHeaderTemplateSelector.VerticalTemplate>
                    <DataTemplate> 
                            <ContentPresenter Content="{Binding FormattedName}" Margin="4" VerticalAlignment="Top">
                                <ContentPresenter.LayoutTransform>
                                    <RotateTransform Angle="-90" />
                                </ContentPresenter.LayoutTransform>
                            </ContentPresenter> 
                    </DataTemplate>
                </telerik:GroupHeaderTemplateSelector.VerticalTemplate>
 </telerik:GroupHeaderTemplateSelector>

When the RecurrenceFrequency is set to Year. The GetOccurrences() method of the RecurrencePattern does not respect the Interval property.

Currently, separate calendars are created for each time zone.