“It means that whatever characters [are introduced] now have to add to wrapping up the story, because we know this is the end of the Skywalker saga. Her importance to the story has to be relevant — and it feels relevant, definitely, for some of the characters and for the larger picture.”
Here’s as much as we know now, over a month before the film opens worldwide: Since the character’s official introduction at Star Wars Celebration in April, Jannah has been seen wielding a bow and arrow astride a horse-like creature called an Orbak. She’s briefly glimpsed opposite Finn in teaser footage, and it’s known that she fights on the side of the Resistance.
The article also notes that Jannah is more than ready for action with two powerful looking bows.
“When you find out more about Jannah’s history and where she comes from, it makes a lot of sense. That’s all I can say, is the bow makes sense.”