We know for four Mascots for Sword and Shield a first and rather unique for the first core game in Gen 8
** To put old Pokémon in new [[Egg Group]]s.
** To introduce expansion packs.
* Generation VIII is the first even-numbered generation to not introduce a new [[Eeveelution]].
* At the time of its debut, Generation VIII introduced no new [[Mythical Pokémon]].