Just announced at fanfest.
http://imgur.com/sGJD1ep
Screenshots Galore: http://imgur.com/a/OXeUk?gallery#1
Trailer: https://www.youtube.com/watch?v=68CNzwinqlg
Ishgard will finally be implemented.
Focus on Dragoons vs Dragons.
Knights of the round hinted as well
Designed to have a much darker & mature look.
Increased level cap of all classes to 60.
New areas to be introduced.
Apparently very large compared to current size.
One new area is called The Dravanian Forelands.
Chocobo Forests are in.
Brand New Race!
It is NOT Viangaa.
It will have both a male and female gender to choose from.
All new Jobs will be included.
More information at the London fanfest.
Of them is hinted to be similar to The Dark Knight, Batman.
New Primals.
Brand new ones to the series will be introduced.
Special Odin battle for fanfest. It is not exclusive to fanfest though.
New Dungeons + High-End Raids.
Airships Galore.
FC can build airships.
Floating continents in the sky can be visited. I wonder how?
New Gear and Recipes.
New Beastmen dailies.
Release window is Spring 2015.
New information will come at the London Fanfest. The focus will be primarily on new Jobs.