Apple released today a new maintenance update for its open-source and cross-platform printing system, CUPS (Common Unix Printing System), for macOS and other UNIX-like operating systems.CUPS 2.2.3 is the third point release to the stable 2.2 series of the project, bringing a bunch of IPP Everywhere improvements, such as support for all print qualities and media types that a printer supports, in the print queues.
Additionally, it makes IPP Everywhere finishings support work correctly with common command-line and UI (User Interface) options, and updates the PPD generator to return helpful error messages. Support for PostScript Printer Description (PPD) finishing keywords was also introduced in this release.
CUPS 2.2.3 also improves the Internet Printing Protocol (IPP) backend so that it no longer hang printing queue by entering an infinite loop when certain errors ocurr, as well as the scheduler, which... (read more)
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