ArcGIS Pro displays an empty map with an empty attribute table for Web Feature Service (WFS) services of large polygons that have a large gml:posList value which takes a long time to retrieve.
This issue is non-reproducible in ArcGIS Pro 3.0. Its implementation in the ArcGIS Pro 3.1 release further improves the performance of loading the layer in the ArcGIS Pro WFS service.