ContentSettings should have a property for CssClass:
<ContentSettings Text="Some txt" CssClass="myLabel" />

or a Style property:
<ContentSettings Text="Some txt" Style="font:bold 14px arial;color:red;" />

this would allow developers to style the textual elements in their diagrams.

It will be possible to enable draggable scrollbars in RadDiagram.

Raise OnHover event for the RadDiagram shapes and connections, giving the developer the ability to access the object that is hovered (get reference to it).

It will be possible to detect when a new diagram connection is created or modified.

The text within the shapes should be wrapped automatically.

The connection StartCap and EndCap values are not applied when set through ConnectionDefaults.
The bug is introcuded version 2016 R3 SP1


Code to reproduce the probelem:
        <telerik:RadDiagram ID="RadDiagram2" runat="server" Skin="Windows7" Height="365" Width="1600">
            <ShapeDefaultsSettings Height="30" Width="100">
                <ContentSettings FontSize="12" />
                <FillSettings Color="#f2f2f2" />
                <StrokeSettings Width="2" />
            </ShapeDefaultsSettings>
            <LayoutSettings Enabled="true" ></LayoutSettings>
            <ShapesCollection>
                <telerik:DiagramShape Id="s1"></telerik:DiagramShape>
                <telerik:DiagramShape Id="s2"></telerik:DiagramShape>
                <telerik:DiagramShape Id="s3"></telerik:DiagramShape>
            </ShapesCollection>
            <ConnectionsCollection>
                <telerik:DiagramConnection>
                    <FromSettings ShapeId="s1" />
                    <ToSettings ShapeId="s2" />
                </telerik:DiagramConnection>
                <telerik:DiagramConnection>
                    <FromSettings ShapeId="s2" />
                    <ToSettings ShapeId="s3" />
                </telerik:DiagramConnection>
            </ConnectionsCollection>
            <ConnectionDefaultsSettings StartCap="FilledCircle" EndCap="ArrowEnd" />
        </telerik:RadDiagram>

When more than one shapes have HTML content containing image with the same path, only the image inside the first shape is rendered:
https://www.screencast.com/t/mYJVfSOlP


Code to reproduce:
        <telerik:RadDiagram runat="server" ID="RadDiagram1">
            <LayoutSettings Enabled="true" Type="Tree" Subtype="Right" />
            <ShapesCollection>
                <telerik:DiagramShape Id="s1" >
                    <ContentSettings Html="<div>Shape 1</div><img src='sampleImage.png' />" />
                </telerik:DiagramShape>
                 <telerik:DiagramShape Id="s2" >
                    <ContentSettings Html="<div>Shape 2</div><img src='sampleImage.png' />" />
                </telerik:DiagramShape>
            </ShapesCollection>
        </telerik:RadDiagram>

It would be great to be able to highlight all shapes that are connected to a shape that is clicked by the user.

Hi!

We would like to create end user possibility to change diagram type.

It would also be nice to be able to searilize all settings from the diagram component.

Is this possible or is it a planned feature?

Best regards
Henric

It will be possible to specify the maximum number of connections that start from a shape and end in a shape of RadDiagram.

It will be possible to move RadDiagram shapes via the direction keyboard buttons.

It will be possible to create shapes of RadDiagram by selecting from a toolbox of specified shape types. 

It will be possible to disable the various actions that the diagram control currently supports. You can find them listed in the following help article: http://www.telerik.com/help/aspnet-ajax/diagram-rich-layout-interaction.html

I'm looking at using RadDiagrams for a dynamic workflow flow dashboard.  I'd like to be able to format the text inside the shape with underlines, bolds and line feeds, etc.  I'd like to see something implemented like in the report text box where you can pass in an HTML encoded string and when it's displayed it renders it as HTML.

<b>Header</b>\n<u>Items</u>

Make it possible to drag RadDiagram shapes in mobile devices.

The property should be similar to the Kendo UI property - http://docs.telerik.com/kendo-ui/api/javascript/dataviz/ui/diagram#configuration-connectionDefaults.type

When you change the beginning or the end of an existing RadDiagram connection and call the client-side save() method, the exported data for the modified connection will not be updated.

When you use the ConnectionDataSource of RadDiagram to data bind an SqlDataSource to its connections, a NullReferenceException is thrown.

You can avoid this issue by using ConnectionDataSourceId instead.

RadDiagram throws a NullReferenceException when you bind it declaratively and place it in the ItemTemplate of a data bound control, for example a Repeater.

Does not matter what value is set to the Connection's StartCap/EndCap properties, the ends of the connection are rendered as if the value of these properties is "None".