RadMaps Silverlight BingMap provider stopped displaying tiles in 2022 due to change in Bing Maps service.

Check notes here:

https://docs.microsoft.com/en-us/answers/questions/799630/arcgis-map-services-stopped-loading.html

Either workaround or statement regarding the future of this feature is needed.

Implement WrapAround mode in Silverlight, just like it behaves in WPF. http://docs.telerik.com/devtools/wpf/controls/radmap/features/wraparound

The ImageProvider should support the scenario when the geographical region which is covered by the provider should be moved.

The map control should support new Birds Eye features to be able to use tiles of bing map provider which are created for zoom levels lesser than 19.

The RadMap control should support displaying copyright info about currently used map provider.

The MapPolyline should support the driving direction feature. It should be able to displaying arrows.

The encoding of DBF-file is determined automatically by MapShapeReader. When the file has the unicode fields then the reader does not convert unicode characters (å,ä,ö) properly to the extended data. Currently the MapShapeReader does not contain property to assign the certain encoding for DBF-file.
The MapShapeReader should support to assign the certain encoding for DBF-file including UTF-8.

The caption of map shape should be updated automatically when the CaptionTemplate is changed. When its content is changed then it should be located according to hotspot if it used in the template.
The caption should be updated according to the map shape properties. For example when the MapShape.Visibility property is set to Collapsed then the caption should be collapsed. Also if the shape is moved using the information layer API functionality, then its caption should be moved too.

Also it should be possible to define different font size, foreground color, font name for individual shapes.

The MapLayer will contain new ZIndex attached property which could be used like the Canvas.ZIndex property for elements of the information layer.

The map navigation buttons will support the functionality like the auto-repeat when a key is pressed.

The MapShape data template does not allow to use event triggers like to the following way:
<telerik:MapPath Stroke="{Binding Stroke}" Fill="{Binding Fill}"  StrokeThickness="1" Data="{Binding Geometry}">
    <interactivity:Interaction.Triggers>
        <interactivity:EventTrigger EventName="MouseLeftButtonDown"> 
            <interactivity:InvokeCommandAction  Command="{Binding MyCommand}"/>
        </interactivity:EventTrigger>
    </interactivity:Interaction.Triggers>
</telerik:MapPath>

The VisualizationLayer does not always show items when the RadMap uses a custom map provider which uses a custom UTM map projection.

We have created an application where a map fills most of the page, but we also have menus on the left and right side that will open and close depending on what the user is doing. In some cases the user will want to keep one or both the menus open all the time, so we have also provided the possibility to pin the menus.

The problem is that when the menus are pinned, we also change the size of the map, and when we do this any shapes that are drawn on the map disappear. We can make them reappear by zooming in or out, and this is only a problem when UseSpringAnimations is set to false, as setting this to true makes the map force some zoom action.

When the RadPane that contains the RadMap is redocked to another location then the RadMap locks the browser.
The RadMap loses its data context and gets null into Provider property. When the data context is restored and the RadMap gets its provider then it hangs, because all calculations inside its logic require map provider which contains necessary information about current projection.It is no problem to change map provider from one to another, but the problem occurs when the map provider is changed to null. 
At least the RadMap should raise exception in a case when the Provider property is assigned to null.

RadMap with Clustering enabled on Visualization layer. Pushpins whose locations have equal or almost equal Latitudes or Longitudes are shown on particular zoom level (for example 19). You see them when clicking on the cluster. If the MaxZoomLEvel is set to be lower than 19, the pushpins are not placed in their correct positions after clicking on clusters and zooming out with mouse multiple times.

When you draw a MapPolygon with one of his points as 90 latitude then the memory keeps increasing and the application crashes.

The map control should validate locations to prevent using coordinates which do not correspond to the used map projection.

1. If you make two single mouse clicks fast enough, they will be incorrectly interpreted as double click, no matter how far one click from another. And you will be zoomed to the place of the first click.
 
2. Also there is another rated issue with fast map scrolling.
 If I'm at 16 zoom and want to scroll map to other city to the left (without zooming out). To do this I will need to mouse-down at the left edge, then move to the right, then mouse-up near right edge. If you repeating this fast enough, most times you get zoomed in instead of map moving.

Steps to reproduce:
For example, here - http://demos.telerik.com/silverlight/#Map/GeoImageryProviders
 
Just click to Sofia, then quickly click to Bucharest. Map will be zoomed in to Sofia instead of moving to Bucharest.
Quickly = in 200-300ms.

When application has two radwindows, each with a radmap with MaPpolyLine, then the polyline disappears after click in the one window.

When RadMap is used within a popup and the map provider is assigned each time before the popup is opened then UI hangs when it is opened second time.

Workaround:

The problem occurs when the RadMap.Provider property is assigned second time when the popup is opened and then it is closed. You can assign this property one time only to avoid this problem. You can do it from a XAML code. Or you can check that the provider is already assigned in the codebehind like following:

private void MapButton_Click(object sender, RoutedEventArgs e)
{
    if (radMap1.Provider == null)
    {
        radMap1.Provider = new OpenStreetMapProvider();
    }
 
    PopupPosition.IsOpen = true;
}