Add-on FireTray allowed not only to see the number of new mails but also informs about bew incoming chat messages. (https://foudfou.github.io/FireTray/) Unfortunately this add-on is discontinued too. I really hope that this functionality can become natively supported by Thunderbird when the old add-ons stop working there.
Add-on FireTray allowed not only to see the number of new mails but also informs about bew incoming chat messages. (https:/ /foudfou. github. io/FireTray/) Unfortunately this add-on is discontinued too. I really hope that this functionality can become natively supported by Thunderbird when the old add-ons stop working there.