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Using hoverinfo and hovertemplate in sankey diagram

I am trying to add some hover data to each node in a Sankey Diagram, I have tried both hoverinfo and hovertemplate but I can’t get them to work. I have searched online and there have been a few questions about this, even a bug report on GitHub (https://github.com/plotly/plotly.js/issues/3097
), but I’m not sure this was fixed properly.

This feature is now available with plotly 4.6, please see the example on hovertemplate and customdata of sankey diagrams.

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It is not available in the R version, is it? “customdata” does not work for me there in plotly 4.9.2.1

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I too am having this issue, where using customdata only displays “%{customdata}” in the link hovers.