Create a custom Basemap gallery and temporarily change the default Basemap gallery of ArcGIS Online for Organization when adding the Basemap Gallery widget to a Web AppBuilder for ArcGIS app in a different spatial reference than the web map.
Last Published: September 20, 2018ArcGIS Online
Bug ID Number
February 19, 2015
September 22, 2022
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.