Tracking bug for feature requests relating to infographics, graph, chart, diagram, animation support and all sorts of visualisation other than static images and videos. (Please add more keywords to summary and/or comments, I'm sure there are more that I'm missing with open tickets.)
(those were among the most popular).
To have an overview of the issues, go to the graph at https://old-bugzilla.wikimedia.org/showdependencygraph.cgi?id=54213&display=tree&rankdir=LR and scroll to the bottom.
Also proposed in Community-Wishlist-Survey-2016 Link. Received 56 support votes, and ranked #16 out of 265 proposals. View full proposal with discussion and votes here.