“Age of Empires 2 DLC Update: Changes to Age-Specific Restrictions in Map Editor”
“In the past, in the Age of Empires 2 remastered version DLC set in the Roman era, when you turned on the map editor and set the civilization’s age level to the Iron Age, you could still place buildings from the Bronze Age, Paleolithic Age, or Neolithic Age. But now, if you select the Iron Age, the Bronze Age buildings disappear from the list. Developers, please don’t do this…”