Feature request: Option for alt text for plotly plot in shiny app

I was recently trying to add alt text for a plotly-based animated plot within a shiny app. I saw that there is a comparatively recent option to add alt text via an alt argument in, e.g., package shiny's renderPlot(). I didn't see anything similar in R plotly. Is it possible something similar could be extended for renderPlotly()?

I was able to get alt text added to my plot via htmltools::tagAppendAttributes() in the UI code, although it took me a bit to get it (apparently) right.

Commencez par suivre le point d’entrée renderPlotly() et comparez le comportement de l’argument alt décrit pour renderPlot() de shiny. Le contournement existant avec htmltools::tagAppendAttributes() montre le résultat attendu ; le travail sera considéré comme terminé lorsqu’il existera un moyen équivalent de fournir un texte alternatif aux graphiques plotly dans une application shiny.