How to add arrowheads to edges between nodes in a directed network diagram?

+1 this question. It’d be awesome to have the ability to show the direction within directed graphs. I’ve seen people do hacks with cones (3D Vector Arrows, https://stackoverflow.com/questions/51410283/how-to-efficiently-create-interactive-directed-network-graphs-with-arrows-on-p) but seems like there could be a more elegant solution out of the box.

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