Maintaining the chart module was time consuming and we saw no examples of it being used, so we did not bring the feature forward into v4, where it would have needed a suite of custom controls created.
What we saw instead was a steady stream of requests for various dashboard services (such as PowerBI), so we created a secure dashboard offering instead: Xibo Dashboard Service | Xibo Digital Signage
We have since had 3 (now 4) requests to bring some form of built in charting back to Xibo, and we’re collecting those requests here: Chart Module in v4. I will add this link to the same topic.