Rated 3 out of 5 stars

yazan: yamcsha tarih: Eki. 5, 2018 ·

Not working with TB 60.

check this similar extension:
https://addons.thunderbird.net/en-US/thunderbird/addon/minimizetotray-reanimated/

Rated 5 out of 5 stars

yazan: yamcsha tarih: Ağu. 11, 2018 ·

Great extension,

but disabled in Thunderbird 60.0 :(