Comment by nolito
But not well tested. Try to create a map and copy the url to another map. Now change the first map with more anotations or move the map center and copy the generated url and paste it into the other map on the other browser. That does not work (at least for me on different browsers).
I think I know what you mean, thanks for the report, if you modify the # part on a webpage it's not the same as reloading it, and I doubt I watch for that part changing