Show progress_message after clicking DownloadButton

My app needs to obtain large datasets from a webserver, and I therefore show a progress_message to the user. This is shown for example when the user updates a Plotly graph. When the user downloads this data using a DownloadButton, the same actions are triggered but no progress_message is shown. Although the user can see the app is “busy” (shown on the top of the app), (s)he has no indication of the progress made my the app. It would be nice to show the progress_message in the same way as when the user updates a view.

I think you should be able to see the progress message with DownloadButton(..., longpoll=True)

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You’re right, I wasn’t aware of this. Thanks!