"Evidence that Pokémon once familiar to us have been spotted in the various dimensions linked together by Ultra Space, in the same way that Ultra Beasts have been spotted in our own dimension. Upon falling through an Ultra Wormhole, these Pokemon become bathed in a strange energy that seems to facilitate rapid changes and adaptations needed to survive in their new environments, among other speculated effects. We have dubbed them "dimensional forms," though internally we use the code name "ultra variant," or "UV" for short."
-Aether Report excerpt
It seems that when exposed to the bizarre lands of Ultra Space, Eevee's evolutions take on new forms. I wonder what other strange forms we have yet to see! More info coming soon!
*More detailed lore later, but as a brief explanation on each one's inspirations:
