Hey,
I have to retract this posting. We figured out what was causing the issues. thankfully it was not the beta.
The one friend wh owas getting desynced, well he didnt realize that he still had his VPN on. so he was being routed through Dallas then over to Little Rock and then back to Texarkana. So after he turned off the VPN all was well.
In fact we played a 4 hour game against the AI and it ran smoothyl, no slow downs or pauses.
I do have issues to report but that will be another post.