I\'ve found that with Plotly with R, when I\'m faceting plots, they often don\'t translate properly from R to Plotly.
For example, my graph plotted in R looks like
The issue might very well be with geom_ribbon rather than facets... Can you please upgrade your "plotly" package and give it another try?
geom_ribbon
I wound up using facet_grid instead of facet_wrap. Something like this:
+ facet_grid(~Pathway, scales = "free", space="free")