v2.8.4

New Features

- Tree module (hierarchy trees and force directed graphs)

- BubbleLegend module

- Built-in logic for choropleth maps

- ColorScale module
- Ability to customize container for DataTable view

Bug Fixes

- fixed issue with chart failing to load on 100% stacked areas with no data
- fixed visual issues with bullet stacked charts
- fixed visual issues with gauge charts
- fixed issues with DataTable view in full screen mode
- fixed associations on multiple scales sharing string values
- fixed tooltip positioning via API
- fixed minor bug related to secondary scales zooming
- applied minor tweaks on 3dline and 3darea charts

Follow @zingchart on Twitter and https://codepen.io/collection/DKmrrG/ for demos.