Yes, I am on the experimental beta on steam: version 2.0.68. Sorry for the duplicate post, I did not realize that the 130994 forum already existed. Thank you for the reply and the future bug fixes.

I have a 3x3 Blue belt balancer https://imgur.com/a/factorio-belt-balancer-before-after-aW9Sxfa in the Before image. When I apply a downgrade to Red Belts seen in the After image, the 2 underground belts at the top disconnect. This is reproducible, and this behavior is being applied to all of the ...