Issue1) When no RenderTransformOrigin is set to ScaleAnimation, all slices should be scaled from the pie chart center point. Currently thiss is not true, to better reproduce it , set MaxScale > 1 and notice slices overlap each other at the end of the animation.

Issue2) When RenderTransformOrigin is set to , for example (0, 0), all slices should start animating from topleft corner of the chart. Currently only the first one is animated from top left and all others are animated from pie chart center.

More information regarding this functionality can be found in the Smart Labels help article.

When the application starts, the PointAnimation isn't played on PieSeries in a data-bound scenario. Also, this will hide the labels of the segments.

An InvalidCastException is thrown in the Fill/Background property binding in the series' DefaultVisualStyle when the RenderOptions is set to Bitmap or Direct2D.

Currently, you can customize the fill and stroke of the data point visuals using the DefaultVisualStyle property of the series. In the common scenario, you can use data bindings to data bind the fill and stroke of the corresponding element. Additionally, you can use the DefaultVisualStyleSelector for such customization. However, when the Direct2DRenderOptions or BitmapRenderOptions are used, data bindings and the DefaultVisualStyleSelector are not support. The bindings in the DefaultVisualStyle throw errors and the selector is not applied.

Add support for conditional styling. This should include support for data binding in the fill and stroke properties of the element from the DefaultVisualStyle, or support for DefaultVisualStyleSelector, or another type of API. 

Add support for Tornado Chart. You can check this link for more information.

Sample Tornado Chart:

When the application starts, the PointAnimation isn't played on point series in a data-bound scenario.

The Telerik.Windows.Controls.Chart.Direct2D.dll is missing from the nuget package file containing all Telerik dlls (Telerik.UI.For.Wpf).

Make the StepLineSeries being able to plot a 'step' for a single point. Currently the StepLine series does not support drawing a single data point when it is in the beginning or the end of the ItemsSource. 

It appears the ChartView is also affected by the same SharpDX issue that affected the RadWebCam when it is used over Remote Desktop. 

A simple test of any series will replicate the issue. If it is being used via Remote Desktop, the series will not render.

" Collection was modified; enumeration operation may not execute.'" - The exception is observed when the CLR exceptions are enabled from Visual Studio. 

Edit:

The Ellapsed event handler of the Timer is executed in background thread but modifying chart data in a background thread is considered bad practice which is not supported by our component. This is the reason we are declining this bug report.

General solution is to schedule the data update to happen on the UI thread with Dispatcher. When in ViewModel, the following code can be used:

        private void OnTimerElapsed(object sender, ElapsedEventArgs e)
        {
            ViewModelBase.InvokeOnUIThread(() =>
            {
                for (int i = 0; i < Items.Count; i++)
                {
                    Items[i].X += (_random.NextDouble() - 0.5) * 0.1;
                    Items[i].Y += (_random.NextDouble() - 0.5) * 0.1;
                }
            });
        }

Allow setting OriginValue on the series in the RadPolarChart. Currently, the area series are fixed to OriginValue of 0.

The same feature is available in the RadCartesianChart series.
https://docs.telerik.com/devtools/wpf/controls/radchartview/features/originvalue

Currently, you can format the axis labels using the LabelFormat property. This allows the same format to display different label value for the different cultures when the UI culture is changed. 

Add support also for the Language framework property in this case. 

The start point of the MoveAnimation(Top and Left) is not calculated correctly.

The VisualStudio2019 ChartPalette (from Telerik.Windows.Controls.ChartView) throws the below exception when using the Telerik .NET Core assemblies. This does not occur when using the Telerik .NET Framework assemblies.

System.IO.IOException: 'Cannot locate resource 'visualization/palettes/resources/visualstudio2019.xml'.'
StackTrace:
   at MS.Internal.AppModel.ResourcePart.GetStreamCore(FileMode mode, FileAccess access)
   at System.IO.Packaging.PackagePart.GetStream(FileMode mode, FileAccess access)
   at MS.Internal.IO.Packaging.PackagePartExtensions.GetSeekableStream(PackagePart packPart, FileMode mode, FileAccess access)
   at MS.Internal.IO.Packaging.PackagePartExtensions.GetSeekableStream(PackagePart packPart)
   at System.Windows.Application.GetResourceStream(Uri uriResource)
   at Telerik.Windows.Controls.ChartView.ChartPalettes.LoadPalette(String fileName)
   at Telerik.Windows.Controls.ChartView.ChartPalettes.get_VisualStudio2019()

Add support for drill-down functionality.

Add a mechanism that allows the chart to process only the data within the viewport. This should improve the memory footprint and the performance of the chart in scenarios with big number of data points.

Add ScatterRangeSeries visualization, similar to RangeSeries.

When you set the Palette property to a new instance of ChartPalette in XAML, a NullReferenceException is thrown. This happens when you click inside the chart control in the Visual Studio designer.

The exception reproduces only if the "Miscellaneous" category in the "Properties" pane of Visual Studio is expanded.

To work this around, set the Palette property in code:

C#:

VB.NET: