https://mail.gnome.org/archives/ftp-release-list/2014-December/msg00008.html
glibmm 2.43.1
https://archlinux.org/packages/extra/x86_64/glibmm/
Arch Linux - glibmm 2.66.8-1 (x86_64)
arch linux
https://lwn.net/Articles/341267/
ANNOUNCE: glibmm 2.21.2 released [LWN.net]
announcereleasedlwn