Applying theme to RadChart does not work for Line / Area series definition: 

Category: ParserError      
Message: System.Windows.Markup.XamlParseException:  [Line: 0 Position: 0] ---> System.Windows.Markup.XamlParseException: Failed to assign to property 

Bubble chart's item labels are currently displayed on the top right bubble side. Default item labels position should be centered in the bubble itself.

REASON FOR DECLINATION
This is supported out-of-the-box by the new RadChartView.

Two RadPanes and two Charts in each. The Legend in the first is show as expected, but in the second - there are no Legend Items.

From Ticket ID 464372. 
An exception is thrown ( in the output ) when saving the image.

LegendItems don't get colors from PaletteBrushes if defined on ChartArea

The exception is thrown on "OrderViewModel" of the FirstLook demo.

Chart: AxisY labels are not correct when IsLogarithmic=true and AutoRange=false

In some scenarios you have to graph some non-linear functions, e.g. exponential, 1/y.  It would be nice if there were integrated support how to specify this.

Allow for rendering multiple nested pie/doughnut series together.

Every XCategory label needs to be replaced with different icon.

Chart: Allow legend labels formatting when grouping

Chart: Provide event for chart item mouse up.

Chart: More graceful handling of negative values when using logarithmic Y Axis.

Line3d series is rendered incorrectly with in case of negative values(345938)

Functionality for changing the origin to an arbitrary point needs to be add.

The user needs to disable the "select an area" zooming and to keep the "resize the scrollbar" zooming technique.

WPF issue with custom tooltips flashing over and over if they are associated with chart items that physically are placed in the lower-right corner of the monitor (i.e. the app window should be maximized to observe the undesirable behavior).

See http://www

Add support for trendline curves that have the best fit to a series of data points, possibly subject to constraints (e.g. linear / quadratic / cubic fit curves, etc.)

http://en.wikipedia.org/wiki/Curve_fitting

Introduce functionality for getting the default colors programatically.

Allow the user to drag the chart area and perform panning in this was as an alternative to dragging the scrollbar.