CUPS 2.2.5 is now available from https://github.com/apple/cups/releases.

CUPS 2.2.5 is a general bug fix release. Changes include:

• The scheduler's -t option did not force all errors to the standard error
  file, making debugging of configuration problems hard (Issue #5041)
• Fixed a typo in the CUPS Programming Manual (Issue #5042)
• Fixed RPM packaging issue (Issue #5043, Issue #5044)
• The cupsGetDests function incorrectly returned an empty list of printers if
  there was no default printer (Issue #5046)
• The cupsGetDests function waited too long for network printers (Issue #5049)
• Libtool support was completely broken with current libtool versions that use
  an incompatible command-line syntax (Issue #5050)
• Fixed a build issue with --enable-mallinfo (Issue #5051)
• The ippserver test program contained a deadlock issue (Issue #5054)
• The cupsLocalizeDest* functions did not provide base localizations for
  all registered IPP attributes and values (Issue #5056)
• The --enable-libtool configure option requires a path to the libtool program,
  but doesn't document or check for it (Issue #5062)
• Fixed the SSLOptions DenyCBC option when using GNU TLS (Issue #5065)
• Fixed the ServerTokens None option (Issue #5065)
• Fixed the default ServerAlias value from ServerName (Issue #5072)
• Fixed the adminurl field in the TXT record for fully-qualified ServerName
  values (Issue #5074)
• The scheduler now creates a PID file when not running on demand with a modern
  service launcher (Issue #5080)
• The web interface did not support newer language identifiers used by Microsoft
  web browsers (Issue #5803)
• Updated the cups-files.conf and cupsd.conf file documentation for missing
  directives (Issue #5084)
• Fixed an Avahi-related crash bug in the scheduler (Issue #5085, Issue #5086)
• Fixed the interactions between the "print-quality" and "cupsPrintQuality"
  options (Issue #5090)
• The IPP Everywhere PPD generator now sorts the supported resolutions before
  choosing them for draft, normal, and best quality modes (Issue #5091)
• Fixed the localization unit test on Linux (Issue #5097)
• The CUPS library did not reuse domain sockets (Issue #5098)
• Fixed the "make check" target for some environments (Issue #5099)
• The scheduler woke up once per second to remove old temporary queues
  (Issue #5100)
• Added USB quirk rule for Kyocera printer (Issue #5102, Issue #5103)
• Re-documented the limits of file:///... device URIs and moved the FileDevice
  directive in cups-files.conf to the list of deprecated configuration
  directives (Issue #5117)
• Added USB quirk rule for HP LaserJet 1160 printer (Issue #5121)
• Fixed the script interpreter detection in the configure script (Issue #5122)
• The network backends now retry on more error conditions (Issue #5123)
• Added a French translation of the web interface (Issue #5134)
• cupsGetDests2 was not using the supplied HTTP connection (Issue #5135)
• httpAddrConnect leaked sockets in certain circumstances, causing some
  printers to hang (rdar://31965686)
• Fixed an issue with Chinese localizations on macOS (rdar://32419311)
• The IPP backend now always sends the "finishings" attribute for printers that
  support it because otherwise the client cannot override printer defaults
  (rdar://33169732)
• The cupsGetNamedDest function did not use the local default printer
  (rdar://33228500)
• The IPP backend incorrectly sent the "job-pages-per-set" attribute to PDF
  printers (rdar://33250434)
• Fixed the cups.strings file that is used on macOS (rdar://33287650)
• CUPS now sends the Date HTTP header in IPP requests (rdar://33302034)
• The ippCopyAttribute function did not copy out-of-band values correctly
  (rdar://33688003)
• Fixed the localization fallback code on macOS (rdar://33583699)
• The scheduler did not run with a high enough priority, causing problems on
  busy systems (rdar://33789342)
• Added support for Japanese Kaku 1 envelope size (rdar://34774110)
• The ipptool program's -P option did not work correctly.
• The ipptool program did not compare URI scheme or hostname components
  correctly for the WITH-ALL-HOSTNAMES, WITH-ALL-SCHEMES, WITH-HOSTNAME, or
  WITH-SCHEME predicates.

Enjoy!

CUPS 2.2.4 is now available from:

https://github.com/apple/cups/releases

CUPS 2.2.4 is a general bug fix release. Changes include:

• The scheduler did not remove old job files (Issue #4987)
• cupsEnumDests did not return early when all printers had been discovered
  (Issue #4989)
• The CUPS build system now supports cross-compilation (Issue #4897)
• Added a new CUPS Programming Manual to replace the aging API documentation.
• Added the cupsAddIntegerOption and cupsGetIntegerOption functions
  (Issue #4992)
• The cupsGetDests and cupsCreateJob functions now support Bonjour printers
  (Issue #4993)
• Added a USB quirk rule for Lexmark E260dn printers (Issue #4994)
• Fixed a potential buffer overflow in the cupstestppd utility (Issue #4996)
• IPP Everywhere improvements (Issue #4998)
• Fixed the "cancel all jobs" function in the web interface for several
  languages (Issue #4999)
• Fixed issues with local queues (Issue #5003, Issue #5008, Issue #5009)
• The lpstat command now supports a -e option to enumerate local printers
  (either previously added or on the network) that can be accessed
  (Issue #5005)
• The lp and lpr commands now support printing to network printers that
  haven't yet been added (Issue #5006)
• Fixed a typo in the mime.types file.
• Fixed a bug in the Spanish web interface template (Issue #5016)
• The cupsEnumDests* and cupsGetDest* functions now report the value of the
  "printer-is-temporary" Printer Status attribute (Issue #5028)
• Added Chinese localization (Issue #5029)
• The cupsCheckDestSupported function did not support NULL values
  (Issue #5031)
• Fixed some issues in the RPM spec file (Issue #5032)
• The cupsConnectDest function now supports the CUPS_DEST_FLAGS_DEVICE flag
  for explicitly connecting to the device (printer) associated with the
  destination.
• The SSLOptions directive in "client.conf" and "cupsd.conf" now supports
  DenyCBC and DenyTLS1.0 options (Issue #5037)

CUPS 2.2.3 is now available from:

https://github.com/apple/cups/releases

CUPS 2.2.3 is a general bug fix release. Changes include:

• The IPP backend could get into an infinite loop for certain errors, causing a hung queue (rdar://problem/28008717)
• The scheduler could pause responding to client requests in order to save state changes to disk (rdar://problem/28690656)
• Added support for PPD finishing keywords (Issue #4960, Issue #4961, Issue #4962)
• The IPP backend did not send a media-col attribute for just the source or type (Issue #4963)
• IPP Everywhere print queues did not always support all print qualities supported by the printer (Issue #4953)
• IPP Everywhere print queues did not always support all media types supported by the printer (Issue #4953)
• The IPP Everywhere PPD generator did not return useful error messages (Issue #4954)
• The IPP Everywhere finishings support did not work correctly with common UI or command-line options (Issue #4976)
• Fixed an error handling issue for the network backends (Issue #4979)
• The default cupsd.conf file did not work on systems compiled without Kerberos support (Issue #4947)
• The "reprint job" option was not available for some canceled jobs (Issue #4915)
• Updated the job listing in the web interface (Issue #4978)
• Fixed some localization issues on macOS (rdar://problem/27245567)

Enjoy!

CUPS 2.2.2 is now available from:

https://github.com/apple/cups/releases

CUPS 2.2.2 is a general bug fix release. A detailed list of changes can be found in the change log included in the download.

Enjoy!

CUPS 2.2.1 is now available from:

https://github.com/apple/cups/releases

CUPS 2.2.1 is a general bug fix release. A detailed list of changes can be found in the change log included in the download.

Enjoy!

CUPS 2.2.0 is now available from:

https://github.com/apple/cups/releases

CUPS 2.2.0 adds support for local IPP Everywhere print queues and includes several performance and security improvements. A detailed list of changes can be found in the change log included in the download.

Enjoy!