One other interesting thing I've noticed, mercurial has stopped building windows standalone releases. It's been that way for around 9 months.
https://tortoisehg.bitbucket.io/download/
I did not use them because I am on linux only, but I see that Matt is active and responsive, both on the mailing list and chasing bugs on the issue tracker on heptapod ( https://foss.heptapod.net/mercurial/tortoisehg/thg )