I can easily reproduce this issue following the steps described above. In my case the problem isn't only the connection indicator, but also the editor background color.
I believe it is not a bug, if you reopen "sql window" in the bottom of it you will see "*" in front of connection which tells you that it is not connected, but, maybe, indicator in Icon menu should be showing "*" instead of just colour!?
I believe it is not a bug, if you reopen "sql window" in the bottom of it you will see "*" in front of connection which tells you that it is not connected, but, maybe, indicator in Icon menu should be showing "*" instead of just colour!?
DoDo, this issue has been based upon the DISABLED preference setting 'Allow multiple connections'. In this case there is no color indicator in the bottom of an SQL-window. And the toolbar indicator should work like it did in version 8, which it doesn't.