They'll tell eventually... I'm rather surprised about this one, it's the first eeveelution that is going solo in it's generation. Then again, I'm surprised they have a 6th already anyway, it wasn't long ago they had 5!
Malamite do you have a Tumblr? cause I'd like to post this on my Tumblr and it would easiest to reblog it from you if you have one, otherwise I'd just credit you and junk
They don't appear ready to tell us what type it is yet, or even how to reach this evolution.
Vaporeon
Flareon
Jolteon
Espeon
Umbreon
Glaceon
Leafeon
and Ribbony-Pink-eon.