I know I'm no authority on this, but as far as I know, Survey123 is still planned on being kept separate. My guess is just that rumors stick around a lot longer than they should?
Obviously I'm in the same boat as you, where I'd love to know if this isn't the case!
Best,
Katie
“The goal is not simply to ‘work hard, play hard.’ The goal is to make our work and our play indistinguishable.”
- Simon Sinek