I liked the startup behavior of the older versions of Thunderbird, before it had tabs. Now if you close Thunderbird with email(s) open, they will all open AGAIN when you start up Thunderbird at a later time. I don't like this behavior. I thin...
Probably a few years ago, I suggested about having the option to start Thunderbird with no mail tabs open, much like how Thunderbird used to be years ago before adding tabbed email. Now, it always starts in the same state that it was closed, ev...