That is a terrible title. Did you even bother reading the article OP?
"But since last year, the development has been going very well. So we have a good amount of confidence in terms of this window for next year."
Awful, awful title.
Correct me if I'm wrng but "a good amount of confidence" =/= "We will definitely release 2016!"
So yeah, definitely lower than 100%.
If you demand respect or gratitude for your volunteer work, you're doing volunteering wrong.