Replying and bumping hoping you get traction, same issue, no responses, ISP confirmed healthy connection at my side, and I’m at my wit’s end.
I wrote up a more detailed post with steps to replicate and context Rubberbanding/Lag Issue Replication & Detailed Steps
My guess is its a combination of player volume, waiting for a player volume stabilization before committing/optimizing resources, and/or some of the new tech/monitoring is behaving poorly in certain configurations. Its frustrating because we have no idea if its being worked on at all.