Собственно, сабж. Предыдущая версия 0.2.2 вышла 8 лет назад.
Напоминаю что это такое:
Serveez is a server framework. It provides routines and help for implementing IP based servers (currently TCP, UDP and ICMP). It is also possible to use named pipes for all connection oriented protocols.
Changelog: https://git.savannah.gnu.org/cgit/serveez.git/diff/NEWS?h=0.3.0