We have released version 3.4 of MindFusion.Charting for WinForms. It contains the following new features:

~ linear and oval gauge controls
~ zoom into linecharts and barcharts
~ save and load charts to/from XML
~ better control over labels in multi-series charts

Registered customers with an active upgrade subscription can download the licensed version from the clients area on our site.
    
A trial version is available for download here:
https://www.mindfusion.eu/ChartWinFormsTrial.zip

Enjoy!