"Settings >> Optional Features - Reconnect ON" is working, but very slow. For users, it is easier to restart SERP than to wait for the connection to be restored.
I made a screen record for this case.
https://youtu.be/JYCUvNh829I
This is not the issue of upgrade SERP. But serverip.dat in this case contains the value: 192.168.88.12:1301, so this is local IP of the server with SERP.
Anyway I don't understand what do you me...