Rejected with the following reason:
The purpose of the RadHtmlChart is to visualize data and not to manipulate it. You can manually group a data source, so that its structure is suitable for a chat data-binding. Such an example is illustrated in this CL - http://www.telerik.com/support/code-library/group-radhtmlchart-data-source

Currently the RadHtmlChart can be bound to a single data source. Add the ability to bind each series to a single data source.

Similar to the RadChart's http://demos.telerik.com/aspnet-ajax/chart/examples/newfeatures/intelligentlabels/defaultcs.aspx For the time being you can implement a custom logic for offsetting y point positions of labels. For example offset every 2nd item label position:
       <telerik:RadScriptManager ID="RadScriptManager1" runat="server"></telerik:RadScriptManager>
		<script>
			function pageLoad() {
				offsetItemLabels();
			}
			function offsetItemLabels() {
				//Find all text elements on the page
				var textElements = document.getElementsByTagName("text");
				var numSeriesItemLabels = 0;
				//Iterate through the text elements
				for (var i = 0; i < textElements.length; i++) {
					var currTextEl = textElements[i];
					//Set the desired string/symbol that represents the series labels
					var SeriesLabelSymbol = "@SL";
					if (currTextEl.textContent.indexOf(SeriesLabelSymbol) != -1) {
						numSeriesItemLabels++;
						var currText = currTextEl.textContent.split(SeriesLabelSymbol);
						//Offset y point for every 2nd item label
						currTextEl.textContent = currText[1];
						if ((numSeriesItemLabels) % 2 == 0) {
							currTextEl.attributes.y.textContent = currTextEl.attributes.y.textContent * 1 + 35;
						}
					}
				}
			}
		</script>
        <telerik:RadHtmlChart ID="RadHtmlChart1" runat="server" Width="600px" Height="400px">
            <ChartTitle Text="Chart title">
            </ChartTitle>
            <PlotArea>
                <Series>
                    <telerik:LineSeries Name="Series 1">
                        <SeriesItems>
                            <telerik:CategorySeriesItem Y="18" />
                            <telerik:CategorySeriesItem Y="18" />
                            <telerik:CategorySeriesItem Y="18" />
                            <telerik:CategorySeriesItem Y="18" />
                        </SeriesItems>
                        <LabelsAppearance>
                            <ClientTemplate>
@SLCategory is #=category# Value is: #=value#
                            </ClientTemplate>
                        </LabelsAppearance>
                    </telerik:LineSeries>
                </Series>
                <XAxis>
                    <Items>
                        <telerik:AxisItem LabelText="item 1" />
                        <telerik:AxisItem LabelText="item 2" />
                        <telerik:AxisItem LabelText="item 3" />
                        <telerik:AxisItem LabelText="item 4" />
                    </Items>
                </XAxis>
            </PlotArea>
        </telerik:RadHtmlChart>

When viewing a line chart with multiple series, the RadHtmlChart automatically changes shapes for each series to make it easy to distinguish, however the shapes are not carried over to the legend.  This means a user printing on a black & white printer will have no way to distinguish the different series (since the shapes are not in the legend).

Adding a control from the JDash suite to the page breaks RadHtmlChart.

The option to generate a chart data table (based on the chart series) below a chart is available when using the RadChart control. A similar option/properties would be nice within the RadHtmlChart control.

Thanks

Currently the appearance of the Series border cannot be controlled. Add the ability to change its width, color and dashtype.

Declined with the following reason: Item is duplicate of http://feedback.telerik.com/Project/108/Feedback/Details/50612

Allow the HTMLChart to be resized when the parent window is resized.
Currently the resize of the chart only occurs on page load or refresh only.

So i will resize the window and reload and the chart will fit into the space.

then if i enlarge the window the chart stays the current size.


This is particular important for us as our support of mobile devices (and responsive design)

the whole of our site is responsive apart from our charts :-( 

Tooltips of points between series points
See: http://screencast.com/t/Q7FYJxkouLA

Set tooltips of points between series points  - http://screencast.com/t/Q7FYJxkouLA

In RadHtmlChart there is no property to specify Width for Bar/Column series. It automatically calculates series width based on chart width, number of series, number of items within series, gap and spacing, etc.,
If there is more than one bar/column chart in single page, there is no way to show Bar/Column series of exact width in all chart to make page consistent.

Is there any plans to add a Server Side series click event in RadHTMLChart? Currently it is only available via the Client side.

Add this functionality out of the box to navigator.
The functionality  made by these buttons(+/-)
 are more gentle that the navigator.

1.Today: When vertical axis are out of navigator range from to
they are seen.
2.Suggtion: Give option to programmer to choose if to show or hide.
3.The same idea for plot bands,

When the data passed to the RadHtmlChart with "stock" layout presents the highest and lowest base units, you must scroll the mouse wheel in order to navigate to the smallest base units. This issue can be handled for example by exposing a scroller in the navigator that let you select smaller date ranges.

Will be useful for pie/donut charts in responsive web page scenarios.

In the Radchart there is a property called  activeregion where the user can add a reference to html link. When the user clicks on the chart title, he can navigate to a new web page.
This feature is not available in the new HtmlRadChart . We think that is suitable to have this function in the new HtmlRadchart. It can be even extended to axis labels of HtmlRadchart.
Thank you for your help
Best Regards
AE

For the time being the property can be set through the kendoWdiget:

        <script>
            function pageLoad() {
                var kendoWidget = $find("<%=RadHtmlChart1.ClientID%>")._chartObject;
                kendoWidget.options.series[0].labels.distance = 20;
                kendoWidget.redraw();
            }
        </script>
        <telerik:RadHtmlChart ID="RadHtmlChart1" runat="server" Width="400px" Height="400px">
            <PlotArea>
                <Series>
                    <telerik:PieSeries>
                        <SeriesItems>
                            <telerik:PieSeriesItem Y="30" />
                            <telerik:PieSeriesItem Y="10" />
                            <telerik:PieSeriesItem Y="20" />
                        </SeriesItems>
                    </telerik:PieSeries>
                </Series>
            </PlotArea>
        </telerik:RadHtmlChart>