Why don't I see this symbol when defining kinematics?

 

Hi all,

 

I noticed in EduSpace in the 2025x training for Robotics Associate there is a rotation arrow symbol after you defined a revolute in Define Kinematics. And that you are able to click on it to for example reverse the orientation.

 

I never noticed it before so I tried it on a simple model and later on the sample model which comes with the training.

However, I don't see a symbol.

 

Is this a setting?

Who can tell me how to make this visible. It seems very handy and useful to me.