So apparently Mozilla have announced that Thunderbird will no longer get active development, and merely security updates.
Well you could have fooled me - I gotta say it's a pretty uninspiring bit of software, and from the way it works I could have sworn they stopped developing it a decade ago.
It's like a reasonably competent email client from the 90s. Sure it does the job, but there's certainly no flair there and it's really just a bit clumsy at doing everything.
I've been using it for about a year since gmail became too slow in firefox and loaded my laptop too much. But for all it's faults it's still better than gmail, and I don't have to put up with adverts either. I still can't look at evolution after 7 years ...