Some footage of Tudyk’s K-2SO as well a bit of info about his personality;
https://www.youtube.com/watch?v=smPuYxyv3R4
Skip to 0:53
Edwards confirms that the planet Jedha is a pilgrimage destination for Force believers.
"The whole real backstory of it all is really more a thing for the canon and Lucasfilm, but I feel like it’s definitely…if you believe in the Jedi and you believe in the Force, it feels like Jedha is somewhere you should visit in your lifetime. It’s like a spiritual home of the Jedi."
Not too much info about if RO will have an opening crawl or not, but it seems like they’re leaning on not having one.