I did the upgrade today and also found that it worked the first time I started it but crashed every time after that. I ran the following, which fixed the problem.
sudo apt remove thunderbird-locale* rm .thunderbird/{profile name}/<email address hidden> sudo apt install thunderbird-locale-en
I did the upgrade today and also found that it worked the first time I started it but crashed every time after that. I ran the following, which fixed the problem.
sudo apt remove thunderbird-locale* {profile name}/<email address hidden> locale- en
rm .thunderbird/
sudo apt install thunderbird-