CUPS 2.2.5 is now available from https://github.com/apple/cups/releases.
CUPS 2.2.5 is a general bug fix release. A detailed list of changes can be found in the change log included in the download.
Copyright © 2007-2018 Apple Inc. CUPS 2.2 and earlier are provided under the terms of the GNU GPL2 and LGPL2 with exceptions while CUPS 2.3 and later are provided under the terms of the Apache License, Version 2.0. CUPS, the CUPS logo, and macOS are trademarks of Apple Inc. All other trademarks are the property of their respective owners.