Generally we are happy with the stability of the forthcoming release but we decided to keep the BETA tag for the Q3 release based on several factors:
- Series item labels support could introduce some breaking changes for the Q1 release as we are not completely satisfied with the implementation at the moment.
- Behavior support -- we have partial support for selection / tooltips (only for item-drawn series) and it is possible that some breaking changes will be necessary when implementing the same features for continuous series (line, spline, etc).
- MVVM support -- to optimize the performance of the control not all of the available control properties are exposed as dependency properties and this obviously will not work perfectly with all MVVM scenarios. We are still evaluating what the balance should be (should there be any) and we will take the final decision based on customer feedback as well.
So generally you can consider the Q3 2011 release as having "Go Live" license, although we recommend you to evaluate the control suitability on project by project basis (e.g. if you need top-notch performance, polar / radar series, support for financial indicators, or current value indicator you will probably pick new control as the current RadChart does not support any of these features).
the Telerik team
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