,
I apologize for not getting to you sooner. Each update that you provide on your post puts you further and further down on my list for urgent tickets. I am currently looking into this issue and I will get back to you as soon as possible.
In the meantime, could you please upload screenshots of your set up? Is this happening when you test in Unreal Match, or are you using your own set up for blueprints? Also, have you checked Preview 4?
Thank you.