I modified this https://jsfiddle.net/gvaartjes/4g7ekw65/ multi-column yAxis Gantt chart, such that one of the columns shows the data's names:
https://jsfiddle.net/m4d8rpLg/2/
Is the functionality of working with parent-child dropdown data still possible, when working with these multi-column yAxis charts?
I introduced a parent relationship, but apparently there is no dropdown menu showing? Why please?