Most of the expert crystal ball gazing goes on on the Rumors and News forum. Disney never gives firm opening dates very far in advance. There's no way of knowing what will be open 18 months from now.
We do know that the new Soarin movie and the Frozen ride, along with the new A&E M&G hall will open in Epcot sometime next year. The hub and castle forecourt should be completed in the next few weeks. That's about it for those 2 parks. I'm not aware of any other announced projects for them.
Star Wars Weekends have gone on extended hiatus ( RIP). They're gearing up for the Star Wars Launch Bay, a reworked JTA, and a couple of other minor Star Wars attractions ( not rides) that will begin soon. But the major Star Wars Land at DHS ( or whatever they decide to call it next) won't be open for a looooooong time. Certainly not by 2017. Toy Story land is supposed to open before that, and some optimists have speculated as early as 2017, but I wouldn't bet on it.
At AK, the Rivers of Light and possibly the night safari are supposedly opening next year, with Pandora in 2017. But just when in 2017? No one knows yet. And probably won't for another year.
On, yeah. Disney Springs is supposed to be finished next year. But I must emphasize that everything is still speculation and rumor. Disney remains tight lipped.