aight let's see the diff
In Civ V but not Civ VI: Assyria, Austria, Babylonia, Carthage, Celts, Denmark, Huns, Iroquois, Morocco, Polynesia, Portugal, Shoshone, Siam, Songhai, Venice
In Civ VI but not V: Australia, Canada, Cree, Gaul, Georgia, Gran Colombia, Hungary, Khmer, Kongo, Macedon, Mali, Maori, Mapuche, Norway, Nubia, Phoenicia, Scotland, Scythia, Sumer, Vietnam
Which ones were probably "exchanges?" I'd say Austria/Hungary, Carthage/Phoenicia, Celts/Gaul, Denmark/Norway, Huns/Scythia, Polynesia/Maori, Siam/Khmer, Songhai/Mali, and Shoshone/Cree. (Or Iroquois, but the Shoshone were less likely to return anyway, so I'll keep things simple.) Most of these were deblobbing (or reblobbing in Phoenicia's case, but still probably a net positive), while a few are just swaps in regions that aren't likely to retain all of their V civilizations. It's probable that Sumer is intended to fill in for one of Assyria or Babylonia, but it's less clear as to which; I'll lean toward Assyria, for the same reason as Iroquois + more Assyrian inspiration in the design.
This means the "hard cuts" without a direct replacement are Babylonia(/Assyria), the Iroquois(/Shoshone), Morocco, Portugal, and Venice. At most two of these will return by the end of the NFP. In exchange for the loss of the remainder, we got Australia, Canada, Georgia, Gran Colombia, Kongo, Macedon, Mapuche, Nubia, Scotland, and Vietnam. There are some pretty good civs there, but I'm not sure that's the lineup I would have chosen personally.
Oh, and F in the chat for the Hittites who have been gone since III. (And I guess a smaller f for the Sioux, who have nominally been gone since II but are essentially the core of IV's weird "Native America" civ.)
In Civ V but not Civ VI: Assyria, Austria, Babylonia, Carthage, Celts, Denmark, Huns, Iroquois, Morocco, Polynesia, Portugal, Shoshone, Siam, Songhai, Venice
In Civ VI but not V: Australia, Canada, Cree, Gaul, Georgia, Gran Colombia, Hungary, Khmer, Kongo, Macedon, Mali, Maori, Mapuche, Norway, Nubia, Phoenicia, Scotland, Scythia, Sumer, Vietnam
Which ones were probably "exchanges?" I'd say Austria/Hungary, Carthage/Phoenicia, Celts/Gaul, Denmark/Norway, Huns/Scythia, Polynesia/Maori, Siam/Khmer, Songhai/Mali, and Shoshone/Cree. (Or Iroquois, but the Shoshone were less likely to return anyway, so I'll keep things simple.) Most of these were deblobbing (or reblobbing in Phoenicia's case, but still probably a net positive), while a few are just swaps in regions that aren't likely to retain all of their V civilizations. It's probable that Sumer is intended to fill in for one of Assyria or Babylonia, but it's less clear as to which; I'll lean toward Assyria, for the same reason as Iroquois + more Assyrian inspiration in the design.
This means the "hard cuts" without a direct replacement are Babylonia(/Assyria), the Iroquois(/Shoshone), Morocco, Portugal, and Venice. At most two of these will return by the end of the NFP. In exchange for the loss of the remainder, we got Australia, Canada, Georgia, Gran Colombia, Kongo, Macedon, Mapuche, Nubia, Scotland, and Vietnam. There are some pretty good civs there, but I'm not sure that's the lineup I would have chosen personally.
Oh, and F in the chat for the Hittites who have been gone since III. (And I guess a smaller f for the Sioux, who have nominally been gone since II but are essentially the core of IV's weird "Native America" civ.)