The CUPS (Common UNIX Printing System) open-source and cross-platform printing system for GNU/Linux and Mac OS X operating systems reached version 2.1 after being in development for approximately three months.
The software has received support for basic 3D printers based on the PWG White Paper policy and template, addresses multiple issues in the handling for journald, it fixes support for domain sockets on Linux systems, and adds better support for the systemd init system and service manager.
Read more at Softpedia Linux Blog