Rated 1 out of 5 stars

Από τον/την Thomass στις Οκτ. 12, 2021 · μόνιμος σύνδεσμος

The free BirdTray tool works fine to replace this addon.
Thunderbird 91 includes native support of minimize to tray (there's an option), but starting it minimized doesn't seem to work currently.