Update 4.10.0
All the charts (except radar) will return the value of the data point that is hovered as a state! If you are using a line/area chart make sure you have events enabled and have a marker size greater than 0.
The charts now also have the option to reset the hover value (state) on mouse leave. This will clear the state when a point is not hovered any more. Some of the charts are updated on the demo page to showcase this in action:
Don’t forget to refresh your editor after upgrading