I experienced an issue when viewing Basemap>Imagery Service in ArcGIS Online and Collector App.
While most of the images are good quality and align perfectly to my data there is a mismatch in a very small area (5 sq km). It seems to be a distortion of the images based on a inaccurate DEM. As my data matches the national data sources I believe this to be a matter of imagery service provided by ESRI. I am wondering if ESRI can do something about it in time?
As we are planning to implement ArcGIS Online in our national park in Austria this is a major issue that can wreck the project.