Not a good night gaming

Tonight was not a good gaming night. Very long times to load a game. Players getting disconnected. Ghosting counters, as in multiple images of same counter appearing. BUT not to all.
I thought you had solved the server disconnection issue! Am I wrong or has something else changed for the worse?
As for the rest, why do I suspect that there is an underlying, perhaps undetected, issue with the server, vassal in general or my armpits?
Game World in Flames Combo version 1.2.

We haven’t made any changes that I know of.

The last change which comes to mind that could prevent disconnections is from 3.3.0, in which keep-alive messages are sent when there hasn’t been any traffic in a while. That’s been in every release since June 2020.