Indeed your observations are correct -- RadChart was removed from the default presentation namespace for the BETA release due to some conflicts with the new RadChartingKit
and you will need to replace the telerik prefix for chart components like this:
For all other chart components (series definitions, axes, etc.)
We understand that making this change for a large codebase would be inconvenient and we will do our best to resolve the conflicts between RadChart and RadChartingKit and restore the RadChart control to the default presentation namespace for the official Q3 release.
the Telerik team
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