She is a four legged robot designed by a 11 year old engineer and her mission is to keep the peace in Numbani.
Orisa is a tank character and is said to act as a central anchor for the team, defending her teammates from the frontline with a protective barrier.
Fusion Driver - Main weapon
*Players trying her out on PTR have reported that her primary weapon always has the same bullet spread unlike soldier, and no damage falloff at range.
No exact time of update is given but Overwatch updates typically go live around 6PM UK time, which is very soon!
If your eager to play Orisa in competetive youll have to wait a while, Blizzard wont let Orisa into the competetive arena until a week after her release.
A preview video of the new hero: