Tinkerbell's movie is STILL being made. The misunderstanding was that the movie was CRAP, originally, which is why the date has been moved around so much. when John Lasseter got a hold of it he said it was terrible and scrapped the idea. He then created a new script and storyline and everything, and they're making the movie. It'll be ready for release sometime Late Summer to Mid-Fall. Tinkerbell and her Fairy Friends will be making Meet and Greet Appearances starting either in Late fall or sometime in December.
Most of the fairies have already been fitted and cast, and unless you're in Entertainment, you wouldn't know how Entertainment feels about Tinkerbell and what's going on with her story and her doing meet and greets. Entertainment is very excited for Tinkerbell, and her story is expanded more.
Tinkerbell is "the loser fairy" as we like to joke. Fawn, Iridessa, Silvermist, and Rosetta all have real fairy qualities; Nature, Light, Water, and Beauty. Tinkerbell, however, is a Tinker Fairy. She fixes pots and pans and things. So, for this, she is made fun of by the other fairies (mostly Fawn). Though they are still her friends, they have their moments. Tinkerbell is very kind, but she is misunderstood and can get very temperamental and jealous because no one pays much attention to her. The only person she trusts more than anyone is Peter Pan, whom she is best friends with. So, naturally, when Wendy popped in, Tinkerbell thought her thunder was being stolen and she would stop at nothing to make sure she remained number 1 in Peter's life. He's all she's got as far as she's concerned. But we learn, (through some Disney magic and storytelling) that no matter who you are, you are special in your own way, and no one can take that away from you.
I think Tinkerbell is a great character and she'll be great to meet.