I recently set-up a GeoServer WMS endpoint with GeoWebCache.
I can get the WMS layer to display fine in ArcGis Pro 1.2.
When I click on the map to get feature information then I can see the request in Fiddler being made by ArcGis to the GeoServer.
The response contains the correct HTML but ArcGis never displays it in a pop-up.
This is not an issue in QGis.
Does anyone know why ArcGis Pro is not displaying the contents of the GetFeatureInfo response?