not that one is happening in the near future but that Disney is "keeping the option open"
http://www.huffingtonpost.com/entry/moana-directors-possibilities-are-open-for-lgbtq-disney-princess_us_582a8696e4b060adb5701ac0?section=us_queer-voices?
what I gleam from this
Disney knows they have to do something Gay since all their competitors have already(in some capacity) so they're making hollow promises
my Predictions for this if an LGBT princess does happen
1. it'll be a Lesbian since it's "prettier" and more marketable that way(i.e. they can just repurpose Ariel's head mold for the dolls like with Elsa, Anna and Rapunzel)
2. related to the first point, she'll be white, so they can use that as an excuse to make her an Ariel look-alike again
3. if it comes out soon, it'll be very rushed and not good
4. if it comes out a looooong time from now, nobody will care and will make fun of Disney for taking so long
5. they could also choose the "we dont care so we're gonna do it cheap" route and make her a TV only Princess in a low budget Disney channel series like Elena of Avalor rather than give her an actual movie they spent time, money or effort on
6. they'll allow for plausible deniability if anyone gets angry about their kids movie pushing they "Gay agenda" (like when they backpedaled on the Lesbian couple in finding Dory saying they were "whatever you want them to be" )