http://www.equestriadaily.com/2016/01/my-little-pony-season-6-in-spring.html?utm_source=twitterfeed&utm_medium=twitter
Yes, she's an alicorn... I don't have any strong opinions one way or another on that, but I know there's going to be a huge backlash.
I find it interesting how, since a horse's pregnancy lasts 11-12 in real life, this would mean there's a very big time skip, but then again, these are magical horses.