project OpenPrinting introduced Printing system release CUPS 2.4.0 (Common Unix Printing System), formed without Apple’s participation, which has since 2007 The year fully controlled the development of the project, absorbing Easy Software Products, created by CUPS. Due to the disappearance of Apple’s interest to maintaining the printing system and the general importance of the CUPS for the Linux ecosystem, the enthusiasts from the OpenPrinting community was founded by the fork, which continued to work on the project without changing the name. Michael R Sweet, the initial author of CUPS, was connected to work on Fork (Michael R Sweet). The project code continues to be supplied under the apache-2.0 librarian, but the primary is positioned Fork repository , and not .
OpenPrinting developers declared the continuation of the development regardless of Apple and recommended to consider them branch as the main project after confirmation Apple Lack of interest to the further development of CUPS functionality and intention to restrict the accompanuation of the code base Cups for MacOS, including transferring Fork Form from OpenPrinting. From the beginning of 2020, supported by Apple CUPS repository was in deep stagnation, but recently Michael Sweet began to transfer to it Curious changes , at the same time participating In the development of CUPS in the OpenPrinting repository.
From Cups 2.4.0 changes The appearance of compatibility with clients airprint and MOPRIA , add support OAUTH 2.0 / OpenID authentication, adding PKG-CONFIG support, improved support for TLS and X.509, implementation of the attributes “Job-Sheets-Col” and “Media-Col”, an ads of obsolete Cups-Config and authentication through Kerberos.
The accumulated errors and patches supplied in the Ubuntu package for two years, including the capabilities required for distribution Press stack based on Cups, Cups-Filters, Ghostscript and Poppler in a self-sufficient package in the Snap (Ubuntu plans to go to this SNAP instead of ordinary packages).