The changes were very minor. I fixed three small problems.
1) Many stations (approx 50%) were not logging out gracefully when the program is closed. The server was handling the problem automatically, so it was not really a problem. We recently noticed this behavior and decided to fix it.
2) Sometimes the program was getting into a state where it was opening outside of the visible screen area. We now force it into visible screen area whenever it is opened. This problem was affecting approximately 1 in 1,000 users.
3) The log in password will not work if the callsign is blank above the password. We now show a warning if your callsign somehow got blank. Approximately 1 in 1,000 stations somehow got a blank callsign. We now tell you what the problem is with a new error messgae - BLANK CALLSIGN.
I think problems 2 and 3 are caused by corrupt registry.
If version 1.2 is working ok for you, it is a waste of time to install this new version 1.3.