We are having the same issue. We had a dashboard working properly before. Now when we open the PBIX, the maps revert to a default format. We change the map and save it. The map then reverts to the prior format. This happens even if we simply switch to a different table int he workbook and then switch back to the tab with the map.
This is happening for me and it's super frustrating!! I need to create a dashboard with multiple maps. Some of the maps have municipality boundaries, others are using FSA boundaries. THE SETTINGS WILL NOT SAVE!!! There is no excuse for this. please fix this asap.
This is my Power BI version:
Version: 2.81.5831.821 64-bit (May 2020)