When I am using AGOL to check a specific layer or web map app details i often come up with the warning message about losing my changes. I would much rather see any message of this type pop up when closing the previous map, not when opening a new/existing map by which time I often have no idea what it was that might be left unsaved.
It's a minor point i know but the flow for this just seems the wrong way around and it took me a while to figure out what it was referring to and whether or not i can just ignore it.
PS This idea is not the same as this previous posting, though the titles are similar.
https://community.esri.com/ideas/10107