SombreKnave, Tyng-Ruey Chuang, lostson likes this.
Also read https://blog.mozilla.org/thunderbird/2014/11/thunderbird-reorganizes-at-2014-toronto-summit/ if you're interested in status of Thunderbird development, which is better than I thought.
Mike Linksvayer at 2015-02-28T20:42:42Z
Blaise Alleyne likes this.