Please some Apple Dev answer ! I am having the same issue.

In addition to the post : Inside the let flippedRotation. There is a Rotation3D(angle: rotation.angle. But rotation is also not in scope. I don't understand where these rotation come from and how to get them in scope

I tried to add : ball.components.set(InputTargetComponent()) before the //2. add anchor to sphere. It did not work also. Any help from dev would be great