Thank you for letting me know. It's not a big deal, since the buttons can also be configured for the main toolbar in my use case; it's just a limitation. Maybe there will be an API for this in future releases of Thunderbird. Thank you for spending your time on this issue!
Enigmail icons in custom toolbar are not saved
Enigmail icons in custom toolbar are not saved
@Christian Schenk: Thank you very much! I have just updated my MiKTeX installations...
@Christian Schenk: Thank you very much! @U_Fischer: With my use cases, everything...
@U_Fischer: I don't want to open up a discussion on whether it is advisable or not...
@Christian Schenk: Thank you very much! @U_Fischer: With my use cases, everything...
@Christian Schenk: Thank you very much! @U_Fischer: With my use cases, everything...