The recently released Microsoft Power BI Desktop Summary Blog (February 2020) extensively features the xViz Funnel / Pyramid Chart. The Funnel and Pyramid Chart for Power BI acts as two in one visual. It functions in two different visualization modes – Default and 3D. It is highly customizable with an extensive deck of properties for configuring every aspect of the visual.
Check out the blog by Sujata Narayana here.
To get the latest version of the custom visual, click here.
You can take a look at the other advanced custom visuals by xViz here.