Woo! It's here! Play it now!
Make sure to check out the spectator options by clicking the camera icon in the upper right hand corner of the game window if you're a content creator, I've got some cool features cooked up there.
There's also a surprise addition - experimental asymmetric co-op which you can enable through the spectator options as well! Grab a friend to control a drone on keyboard and mouse and fight alongside you. Or against you. There are no rules.