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

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.

The chart series allow empty values, which means that if a data point has a null or NaN value there won't be a visual element drawn on the chart. The financial indicator (a type of chart series) support this, but because of their nature, if an ItemsSource is provided, the null values are threaded as zeroes (the number 0) during the automatic generation of data points. This is because, the data point values are calculated based on a function which includes a combination of the previous data item values. 

Add a mechanism like a method override or a property that can alter this behavior. In this case, if the data item of the generated data point contains a null value, the visual element should be dropped (missing) as in the standard chart series.

When a chart have long labels on the X axis (like date and time) the zoom is not accurate on the horizontal extents with both mouse wheel and drag area.

The reason is probably that the screen coordinates of the selected area are not mapped correctly on the X axis. The mapping works fine for tooltip.

 

You can verify this behavior in the attached Solution. In the images you can see the selected area (01), that the zoomed area is a region with no points (02) and the actual position of the points.

 

Currently, the chart provides a selection feature where you can select data points by clicking on their visual elements (ellipses, bars, etc.) or setting the IsSelected property. Add a feature that allows you to select the entire series. This feature is meaningful when using line or area series and you want to highlight (select) the clicked series.

You can easily implement it by subscribing to the MouseLeftButtonDown event of the chart series and change the series' Stroke or Fill property.

The problem arises when we have many graphs on one window and when we scroll to the bottom then to the middle of the window and then resize the width of the window, not all graphics dynamically resize, some harden to the previous size.

I am attaching a project in which you can reproduce the problem.

And I am attaching a video where the problem is clearly demonstrated.

Please solve the problem as soon as possible for our product it is critical!

The FadeOtherSeries hover mode doesn't work when the lightweight render options (Direct2D and Bitmap) are used.

You can find one way to work this around in the attached project.

Add ScatterRangeSplineSeries visualization, same as RangeSplineSeries, but in scatter scenario (two linear axes).

Implement pan and zoom ability for the polar chart.

By default when the chart is zoomed in, the major step between the axis ticks is automatically re-calculated to match the new zoom level. Add a property that allows you to access the recalculated major step.

The TickOrigin setting of the LinearAxis doesn't work when the MinorTicksPerMajor property is set to a value bigger than 0.

The feature needs to cover functionality as follows: The logarithmic axis has an exponent step (1, 10, 100, 1000) and the current ticks support of the axis only plots evenly distributed ticks. Clients, however, sometimes need to display unevenly distributed ticks (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and so on).

Currently, the trackball info element is aligned with the top of the plot area of the chart and it is centered to the trackball line. Add an option that makes the trackabll info floating next to the closest snapped data point.

The ToolTip's style is missing in the no xaml assemblies in Expression_Dark and Office2013 themes. A work-around is to manually include the tool tip's style (for example in the App.xaml).

Currently when sampling is used to generate the data points, the DataItem property of the DataPoint is null and there is no way to find out which data items have been used to generate the data point. A new property can be introduced (DataItems) which can contain the data items in mind.

Decline reason: This item is duplicate of the following one:
http://feedback.telerik.com/Project/143/Feedback/Details/113364-chartview-expose-the-data-items-when-sampling-is-used

Incorrect drawing of BarSeries with negative values and additional axis.

This happens when we have one series with only positive values and one with mixed values.

All labels of the LogratihmicAxis display 'zero' in scenarios with small values  (for example: 0.000000000116 or 2.3E-10)