I’ve had this issue for a while, but I usually don’t have to touch reports more than once as I PDF them just as I like them. When I do need to go back into a report all of the map view windows have reset back to full extents instead of keeping the placement and zoom levels as I had set them.
All panes start this way for each material.
I set them like this.
Once I get out and come back to the report everything resets to this. A PITA when you have several types of materials.