path: root/doc/relnotes.html

---
title: Release Notes
layout: sub
---

<h1 class="title">Release Notes</h1>

<h2 class="title"><a name="0203b4">CUPS 2.3b4</a> <em>(March 27, 2018)</em></h2>

<ul>
	<li>NOTICE: Printer drivers are now deprecated (Issue #5270)</li>
	<li>Kerberized printing to another CUPS server did not work correctly (Issue #5233)</li>
	<li>Fixed printing to some IPP Everywhere printers (Issue #5238)</li>
	<li>Fixed installation of filters (Issue #5247)</li>
	<li>The scheduler now supports using temporary print queues for older IPP/1.1 print queues like those shared by CUPS 1.3 and earlier (Issue #5241)</li>
	<li>Star Micronics printers need the &quot;unidir&quot; USB quirk rule (Issue #5251)</li>
	<li>Documentation fixes (Issue #5252)</li>
	<li>Fixed a compile issue when PAM is not available (Issue #5253)</li>
	<li>Label printers supported by the rastertolabel driver don't support SNMP, so don't delay printing to test it (Issue #5256)</li>
	<li>The scheduler could crash while adding an IPP Everywhere printer (Issue #5258)</li>
	<li>The Lexmark Optra E310 printer needs the &quot;no-reattach&quot; USB quirk rule (Issue #5259)</li>
	<li>Systemd did not restart cupsd when configuration changes were made that required a restart (Issue #5263)</li>
	<li>The IPP Everywhere PPD generator did not include the `cupsJobPassword` keyword, when supported (Issue #5265)</li>
	<li>Fixed an Avahi crash bug in the scheduler (Issue #5268)</li>
	<li>Raw print queues are now deprecated (Issue #5269)</li>
	<li>Fixed an RPM packaging problem (Issue #5276)</li>
	<li>The IPP backend did not properly detect failed PDF prints (rdar://34055474)</li>
	<li>TLS connections now properly timeout (rdar://34938533)</li>
	<li>Temp files could not be created in some sandboxed applications (rdar://37789645)</li>
	<li>The ipptool `--ippserver` option did not encode out-of-band attributes correctly.</li>
	<li>Added public `cupsEncodeOption` API for encoding a single option as an IPP attribute.</li>
	<li>Removed support for the `-D_PPD_DEPRECATED=&quot;&quot;` developer cheat - the PPD API should no longer be used.</li>
	<li>Removed support for `-D_IPP_PRIVATE_STRUCTURES=1` developer cheat - the IPP accessor functions should be used instead.</li>
</ul>

<h2 class="title"><a name="020207">CUPS 2.2.7</a> <em>(March 27, 2018)</em></h2>

<ul>
	<li>NOTICE: Raw print queues are now deprecated (Issue #5269)</li>
	<li>Fixed an Avahi crash bug in the scheduler (Issue #5268)</li>
	<li>The IPP Everywhere PPD generator did not include the `cupsJobPassword` keyword, when supported (Issue #5265)</li>
	<li>Systemd did not restart cupsd when configuration changes were made that required a restart (Issue #5263)</li>
	<li>The Lexmark Optra E310 printer needs the &quot;no-reattach&quot; USB quirk rule (Issue #5259)</li>
	<li>The scheduler could crash while adding an IPP Everywhere printer (Issue #5258)</li>
	<li>Label printers supported by the rastertolabel driver don't support SNMP, so don't delay printing to test it (Issue #5256)</li>
	<li>Fixed a compile issue when PAM is not available (Issue #5253)</li>
	<li>Documentation fixes (Issue #5252)</li>
	<li>Star Micronics printers need the &quot;unidir&quot; USB quirk rule (Issue #5251)</li>
	<li>The scheduler now supports using temporary print queues for older IPP/1.1 print queues like those shared by CUPS 1.3 and earlier (Issue #5241)</li>
	<li>Fixed printing to some IPP Everywhere printers (Issue #5238)</li>
	<li>Kerberized printing to another CUPS server did not work correctly (Issue #5233)</li>
	<li>The `cupsRasterWritePixels` function did not correctly swap bytes for some formats (Issue #5225)</li>
	<li>Added a USB quirk rule for Canon MP280 series printers (Issue #5221)</li>
	<li>The `ppdInstallableConflict` tested too many constraints (Issue #5213)</li>
	<li>More fixes for printing to old CUPS servers (Issue #5211)</li>
	<li>The `cupsCopyDest` function now correctly copies the `is_default` value (Issue #5208)</li>
	<li>The scheduler did not work with older versions of uClibc (Issue #5188)</li>
	<li>The scheduler now substitutes default values for invalid job attributes when running in &quot;relaxed conformance&quot; mode (Issue #5186)</li>
	<li>Fixed PAM module detection and added support for the common PAM definitions (Issue #5185)</li>
	<li>Fixed a journald support bug in the scheduler (Issue #5181)</li>
	<li>The cups-driverd program incorrectly stopped scanning PPDs as soon as a loop was seen (Issue #5170)</li>
	<li>Fixed group validation on OpenBSD (Issue #5166)</li>
	<li>Fixed the `ippserver` sample code when threading is disabled or unavailable (Issue #5154)</li>
	<li>The `cupsEnumDests` function did not include options from the lpoptions files (Issue #5144)</li>
	<li>The `SSLOptions` directive now supports `MinTLS` and `MaxTLS` options to control the minimum and maximum TLS versions that will be allowed, respectively (Issue #5119)</li>
	<li>The scheduler did not write out dirty configuration and state files if there were open client connections (Issue #5118)</li>
	<li>The `lpadmin` command now provides a better error message when an unsupported System V interface script is used (Issue #5111)</li>
	<li>The `lp` and `lpr` commands now provide better error messages when the default printer cannot be found (Issue #5096)</li>
	<li>No longer support backslash, question mark, or quotes in printer names (Issue #4966)</li>
	<li>The CUPS library now supports the latest HTTP Digest authentication specification including support for SHA-256 (Issue #4862)</li>
	<li>The `lpstat` command now reports when new jobs are being held (Issue #4761)</li>
	<li>The `lpoptions` command incorrectly saved default options (Issue #4717)</li>
	<li>The `ppdLocalizeIPPReason` function incorrectly returned a localized version of &quot;none&quot; (rdar://36566269)</li>
	<li>TLS connections now properly timeout (rdar://34938533)</li>
	<li>The IPP backend did not properly detect failed PDF prints (rdar://34055474)</li>
	<li>Temporary files are now placed in the correct directory for sandboxed applications on macOS (rdar://problem/37789645)</li>
</ul>


<h2 class="title"><a name="0203b3">CUPS 2.3b3</a> <em>(February 1, 2018)</em></h2>

<ul>
	<li>More fixes for printing to old CUPS servers (Issue #5211)</li>
	<li>The IPP Everywhere PPD generator did not support deep grayscale or 8-bit per component AdobeRGB (Issue #5227)</li>
	<li>Additional changes for the scheduler to substitute default values for invalid job attributes when running in &quot;relaxed conformance&quot; mode (Issue #5229)</li>
	<li>Localization changes (Issue #5232, rdar://37068158)</li>
	<li>The `cupsCopyDestInfo` function did not work with all print queues (Issue #5235)</li>
</ul>


<h2 class="title"><a name="0203b2">CUPS 2.3b2</a> <em>(January 17, 2018)</em></h2>

<ul>
	<li>Localization changes (Issue #5210)</li>
	<li>Build fixes (Issue #5217)</li>
	<li>IPP Everywhere PPDs were not localized to English (Issue #5205)</li>
	<li>The `cupsGetDests` and `cupsEnumDests` functions no longer filter out local print services like IPP USB devices (Issue #5206)</li>
	<li>The `cupsCopyDest` function now correctly copies the `is_default` value (Issue #5208)</li>
	<li>Printing to old CUPS servers has been fixed (Issue #5211)</li>
	<li>The `ppdInstallableConflict` tested too many constraints (Issue #5213)</li>
	<li>All HTTP field values can now be longer than `HTTP_MAX_VALUE` bytes (Issue #5216)</li>
	<li>Added a USB quirk rule for Canon MP280 series printers (Issue #5221)</li>
	<li>The `cupsRasterWritePixels` function did not correctly swap bytes for some formats (Issue #5225)</li>
	<li>Fixed an issue with mapping finishing options (rdar://34250727)</li>
	<li>The `ppdLocalizeIPPReason` function incorrectly returned a localized version of "none" (rdar://36566269)</li>
	<li>The scheduler did not add ".local" to the default DNS-SD host name when needed.</li>
</ul>


<h2 class="title"><a name="0203b1">CUPS 2.3b1</a> <em>(December 19, 2017)</em></h2>

<ul>
	<li>CUPS is now provided under the Apache License, Version 2.0.</li>
	<li>Documentation updates (Issue #4580, Issue #5177, Issue #5192)</li>
	<li>The <code>cupsCopyDestConflicts</code> function now handles collection attribute ("media-col", "finishings-col", etc.) constraints (Issue #4096)</li>
	<li>The <code>lpoptions</code> command incorrectly saved default options (Issue #4717)</li>
	<li>The <code>lpstat</code> command now reports when new jobs are being held (Issue #4761)</li>
	<li>The <code>ippfind</code> command now supports finding printers whose name starts with an underscore (Issue #4833)</li>
	<li>The CUPS library now supports the latest HTTP Digest authentication specification including support for SHA-256 (Issue #4862)</li>
	<li>The scheduler now supports the "printer-id" attribute (Issue #4868)</li>
	<li>No longer support backslash, question mark, or quotes in printer names (Issue #4966)</li>
	<li>The scheduler no longer logs pages as they are printed, instead just logging a total of the pages printed at job completion (Issue #4991)</li>
	<li>Dropped RSS subscription management from the web interface (Issue #5012)</li>
	<li>Bonjour printer sharing now uses the DNS-SD hostname (or ServerName value if none is defined) when registering shared printers on the network (Issue #5071)</li>
	<li>The <code>ipptool</code> command now supports writing <code>ippserver</code> attributes files (Issue #5093)</li>
	<li>The <code>lp</code> and <code>lpr</code> commands now provide better error messages when the default printer cannot be found (Issue #5096)</li>
	<li>The <code>lpadmin</code> command now provides a better error message when an unsupported System V interface script is used (Issue #5111)</li>
	<li>The scheduler did not write out dirty configuration and state files if there were open client connections (Issue #5118)</li>
	<li>The <code>SSLOptions</code> directive now supports <code>MinTLS</code> and <code>MaxTLS</code> options to control the minimum and maximum TLS versions that will be allowed, respectively (Issue #5119)</li>
	<li>Dropped hard-coded CGI scripting language support (Issue #5124)</li>
	<li>The <code>cupsEnumDests</code> function did not include options from the lpoptions files (Issue #5144)</li>
	<li>Fixed the <code>ippserver</code> sample code when threading is disabled or unavailable (Issue #5154)</li>
	<li>Added label markup to checkbox and radio button controls in the web interface templates (Issue #5161)</li>
	<li>Fixed group validation on OpenBSD (Issue #5166)</li>
	<li>Improved IPP Everywhere media support, including a new <code>cupsAddDestMediaOptions</code> function (Issue #5167)</li>
	<li>IPP Everywhere PPDs now include localizations of printer-specific media types, when available (Issue #5168)</li>
	<li>The cups-driverd program incorrectly stopped scanning PPDs as soon as a loop was seen (Issue #5170)</li>
	<li>IPP Everywhere PPDs now support IPP job presets (Issue #5179)</li>
	<li>IPP Everywhere PPDs now support finishing templates (Issue #5180)</li>
	<li>Fixed a journald support bug in the scheduler (Issue #5181)</li>
	<li>Fixed PAM module detection and added support for the common PAM definitions (Issue #5185)</li>
	<li>The scheduler now substitutes default values for invalid job attributes when running in "relaxed conformance" mode (Issue #5186)</li>
	<li>The scheduler did not work with older versions of uClibc (Issue #5188)</li>
	<li>The scheduler now generates a strings file for localizing PPD options (Issue #5194)</li>
</ul>


<h2 class="title"><a name="020206">CUPS 2.2.6</a> <em>(November 1, 2017)</em></h2>

<ul>

	<li>DBUS notifications could crash the scheduler (Issue #5143)</li>
	<li>Added USB quirks rules for Canon MP540 and Samsung ML-2160 (Issue #5148)</li>
	<li>Fixed TLS cipher suite selection with GNU TLS (Issue #5145, Issue #5150)</li>
	<li>Localization updates (Issue #5152)</li>

</ul>


<h2 class="title"><a name="020205">CUPS 2.2.5</a> <em>(October 13, 2017)</em></h2>

<ul>

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

</ul>


<h2 class="title"><a name="020204">CUPS 2.2.4</a> <em>(June 30, 2017)</em></h2>

<ul>

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

</ul>


<h2 class="title"><a name="020203">CUPS 2.2.3</a> <em>(March 28, 2017)</em></h2>

<ul>

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

</ul>


<h2 class="title"><a name="020202">CUPS 2.2.2</a> <em>(January 17, 2017)</em></h2>

<ul>

	<li>Fixed some issues with the Zebra ZPL printer driver (Issue #4898)</li>
	<li>Fixed some issues with IPP Everywhere printer support (Issue #4893, Issue #4909, Issue #4916, Issue #4921, Issue #4923, Issue #4932, Issue #4933, Issue #4938)</li>
	<li>The rastertopwg filter could crash with certain input (Issue #4942)</li>
	<li>Optimized connection usage in the IPP backend (&lt;rdar://problem/29547323>)</li>
	<li>The scheduler did not detect when an encrypted connection was closed by the client on Linux (Issue #4901)</li>
	<li>The cups-lpd program did not catch all legacy usage of ISO-8859-1 (Issue #4899)</li>
	<li>Fixed builds on systems without a working poll() implementation (Issue #4905)</li>
	<li>Added a USB quirk rule for the Kyocera Ecosys P6026cdn (Issue #4900)</li>
	<li>The scheduler no longer creates log files on startup
  (&lt;rdar://problem/28332470>)</li>
	<li>The ippContainsString function now uses case-insensitive comparisons for mimeMediaType, name, and text values in conformance with RFC 2911.</li>
	<li>The network backends now log the addresses that were found for a printer (&lt;rdar://problem/29268474>)</li>
	<li>Let's Encrypt certificates did not work when the hostname contained uppercase letters (Issue #4919)</li>
	<li>Fixed reporting of printed pages in the web interface (Issue #4924)</li>
	<li>Updated systemd config files (Issue #4935)</li>
	<li>Updated documentation (PR #4896)</li>
	<li>Updated localizations (PR #4894, PR #4895, PR #4904, PR #4908, Issue #4946)</li>
	<li>Updated packaging files (Issue #4940)</li>

</ul>


<h2 class="title"><a name="020201">CUPS 2.2.1</a> <em>(October 3, 2016)</em></h2>

<ul>
	<li>Added &quot;CreateSelfSignedCerts&quot; directive for cups-files.conf to control whether the scheduler automatically creates its own self-signed X.509 certificates for TLS connections (Issue #4876)</li>
	<li>http*Connect did not handle partial failures (Issue #4870)</li>
	<li>Addressed some build warnings on Linux (Issue #4881)</li>
	<li>cupsHashData did not use the correct hashing algorithm (&lt;rdar://problem/28209220&gt;)</li>
	<li>Updated man pages (PR #4885)</li>
	<li>Updated localizations (PR #4877, PR #4886)</li>
</ul>


<h2 class="title"><a name="020200">CUPS 2.2.0</a> <em>(September 13, 2016)</em></h2>

<ul>
	<li>Normalized the TLS certificate validation code and added additional error messages to aid troubleshooting.</li>
	<li>http*Connect did not work on Linux when cupsd was not running (Issue #4870)</li>
	<li>The --no-remote-any option of cupsctl had no effect (Issue #4866)</li>
	<li>http*Connect did not return early when all addresses failed (Issue #4870)</li>
</ul>


<h2 class="title"><a name="0202rc1">CUPS 2.2rc1</a> <em>(August 8, 2016)</em></h2>

<ul>

	<li>Updated the list of supported IPP Everywhere media types.</li>
	<li>The IPP backend did not validate TLS credentials properly.</li>
	<li>The printer-state-message attribute was not cleared after a print job with no errors (Issue #4851)</li>
	<li>The CUPS-Add-Modify-Class and CUPS-Add-Modify-Printer operations did not always return an error for failed adds (Issue #4854)</li>
	<li>PPD files with names longer than 127 bytes did not work (Issue #4860)</li>
	<li>Updated localizations (Issue #4846, PR #4858)</li>

</ul>


<h2 class="title"><a name="0202b2">CUPS 2.2b2</a> <em>(June 24, 2016)</em></h2>

<ul>

	<li>Added Upstart support (PR #4825)</li>
	<li>CUPS now supports Let's Encrypt certificates on Linux.</li>

</ul>


<h2 class="title"><a name="0202b1">CUPS 2.2b1</a> <em>(June 14, 2016)</em></h2>

<ul>

	<li>All CUPS commands now support POSIX options (Issue #4813)</li>
	<li>The scheduler now restarts faster (Issue #4760)</li>
	<li>Improved performance of web interface with large numbers of jobs (Issue #3819)</li>
	<li>Encrypted printing can now be limited to only trusted printers and servers (&lt;rdar://problem/25711658&gt;)</li>
	<li>The scheduler now advertises PWG Raster attributes for IPP Everywhere clients (Issue #4428)</li>
	<li>The scheduler now logs informational messages for jobs at LogLevel "info" (Issue #4815)</li>
	<li>The scheduler now uses the getgrouplist function when available (Issue #4611)</li>
	<li>The IPP backend no longer enables compression by default except for certain raster formats that generally benefit from it (&lt;rdar://problem/25166952&gt;)</li>
	<li>The scheduler did not handle out-of-disk situations gracefully (Issue #4742)</li>
	<li>The LPD mini-daemon now detects invalid UTF-8 sequences in job, document, and user names (Issue #4748)</li>
	<li>The IPP backend now continues on to the next job when the remote server/printer puts the job on hold (&lt;rdar://problem/24858548&gt;)</li>
	<li>The scheduler did not cancel multi-document jobs immediately (&lt;rdar://problem/24854834&gt;)</li>
	<li>The scheduler did not return non-shared printers to local clients unless they connected to the domain socket</li> (&lt;rdar://problem/24566996&gt;)
	<li>The scheduler now reads the spool directory if one or more job cache entries point to deleted jobs (&lt;rdar://problem/24048846&gt;)</li>
	<li>Added support for disc media sizes (&lt;rdar://problem/20219536&gt;)</li>
	<li>The httpAddrConnect and httpConnect* APIs now try connecting to multiple addresses in parallel (&lt;rdar://problem/20643153&gt;)</li>
	<li>The cupsd domain socket is no longer world-accessible on macOS (&lt;rdar://problem/7542560&gt;)</li>
	<li>Interface scripts are no longer supported for security reasons (&lt;rdar://problem/23135640&gt;)</li>
	<li>Added a new cupsHashData API and support for hashed job passwords (&lt;rdar://problem/20221502&gt;)</li>
	<li>Localization fixes (&lt;rdar://problem/25292403>, &lt;rdar://problem/25461517>, Issue #4041, Issue #4796)</li>
	<li>Documentation changes (Issue #4624, Issue #4781)</li>
	<li>Packaging fixes (PR #4832)</li>

</ul>


<h2 class="title"><a name="020104">CUPS 2.1.4</a> <em>(June 14, 2016)</em></h2>

<ul>
	<li>Fixed reporting of 1284 Device IDs (Issue #3835, PR #3836)</li>
	<li>Fixed printing of multiple files to raw queues (Issue #4782)</li>
	<li>The scheduler did not implement the Hold-New-Jobs operation correctly (Issue #4767)</li>
	<li>The ipptool program truncated values at 8k (Issue #4786)</li>
	<li>The ipptool program did not correctly report uriScheme values in plist output (Issue #4785)</li>
	<li>The cups-lpd mini-daemon incorrectly included the document-name attribute when creating a job.  It should only be included when sending a job (Issue #4790)</li>
	<li>USB quirk updates (Issue #4778, Issue #4789)</li>
	<li>Documentation update (Issue #4772)</li>
</ul>


<h2 class="title"><a name="020103">CUPS 2.1.3</a> <em>(February 5, 2016)</em></h2>

<ul>
	<li>The default password function did not work on some platforms (<a href="https://github.com/apple/cups/issues/4750">Issue #4750</a>)</li>
	<li>The scheduler should not exit under memory pressure (&lt;rdar://problem/23255001&gt;)</li>
	<li>The EPL2 and ZPL sample drivers did not properly support the CutMedia option.</li>
	<li>Pending subscriptions would prevent the scheduler from idle exiting (<a href="https://github.com/apple/cups/issues/4754">Issue #4754</a>)</li>
	<li>Fixed some issues in ipptool for skipped tests (&lt;rdar://problem/24137160&gt;)</li>
	<li>The &quot;lp -H resume&quot; command did not reset the &quot;job-state-reasons&quot; attribute value (<a href="https://github.com/apple/cups/issues/4752">Issue #4752</a>)</li>
	<li>The scheduler did not allow access to resource files (icons, etc.) when the web interface was disabled (<a href="https://github.com/apple/cups/issues/4755">Issue #4755</a>)</li>
	<li>Localization fix (<a href="https://github.com/apple/cups/issues/4756">Issue #4756</a>)</li>
</ul>


<h2 class="title"><a name="020102">CUPS 2.1.2</a> <em>(December 2, 2015)</em></h2>

<ul>
	<li>Re-release of CUPS 2.1.1 as CUPS 2.1.2 due to error in tagging of the 2.1.1 release (pulled content from the 2.2.x tree instead)</li>
</ul>


<h2 class="title"><a name="020101">CUPS 2.1.1 WITHDRAWN</a> <em>(November 30, 2015)</em></h2>

<ul>
	<li>Security hardening fixes (&lt;rdar://problem/23131948&gt;, &lt;rdar://problem/23132108&gt;, &lt;rdar://problem/23132353&gt;, &lt;rdar://problem/23132803&gt;, &lt;rdar://problem/23133230&gt;, &lt;rdar://problem/23133393&gt;, &lt;rdar://problem/23133466&gt;, &lt;rdar://problem/23133833&gt;, &lt;rdar://problem/23133998&gt;, &lt;rdar://problem/23134228&gt;, &lt;rdar://problem/23134299&gt;, &lt;rdar://problem/23134356&gt;, &lt;rdar://problem/23134415&gt;, &lt;rdar://problem/23134506&gt;, &lt;rdar://problem/23135066&gt;, &lt;rdar://problem/23135122&gt;, &lt;rdar://problem/23135207&gt;, &lt;rdar://problem/23144290&gt;, &lt;rdar://problem/23144358&gt;, &lt;rdar://problem/23144461&gt;)</li>
	<li>The cupsGetPPD* functions did not work with IPP printers (<a href="https://github.com/apple/cups/issues/4725">Issue #4725</a>)</li>
	<li>Some older HP LaserJet printers need a delayed close when printing using the libusb-based USB backend (<a href="https://github.com/apple/cups/issues/4549">Issue #4549</a>)</li>
	<li>The libusb-based USB backend did not unload the kernel usblp module if it was preventing the backend from accessing the printer (<a href="https://github.com/apple/cups/issues/4707">Issue #4707</a>)</li>
	<li>Current Primera printers were incorrectly reported as Fargo printers (<a href="https://github.com/apple/cups/issues/4708">Issue #4708</a>)</li>
	<li>The IPP backend did not always handle jobs getting canceled at the printer (&lt;rdar://problem/22716820&gt;)</li>
	<li>Scheduler logging change (<a href="https://github.com/apple/cups/issues/4728">Issue #4728</a>)</li>
	<li>Added USB quirk for Canon MP530 (<a href="https://github.com/apple/cups/issues/4730">Issue #4730</a>)</li>
	<li>The scheduler did not deliver job notifications for jobs submitted to classes (<a href="https://github.com/apple/cups/issues/4733">Issue #4733</a>)</li>
	<li>Changing the printer-is-shared value for a remote queue did not produce an error (<a href="https://github.com/apple/cups/issues/4738">Issue #4738</a>)</li>
	<li>The IPP backend incorrectly included the job-password attribute in Validate-Job requests (&lt;rdar://problem/23531939&gt;)</li>
	<li>Updated localizations (<a href="https://github.com/apple/cups/issues/4709">Issue #4709</a>)</li>
</ul>


<h2 class="title"><a name="020100">CUPS 2.1.0</a> <em>(August 31, 2015)</em></h2>

<ul>
	<li>Fixed more scheduler crash bugs in the new logging code (<a href="https://github.com/apple/cups/issues/4687">Issue #4687</a>, <a href="https://github.com/apple/cups/issues/4690">Issue #4690</a>)</li>
	<li>The scheduler did not use the ConfigFilePerm setting when copying PPD files or interface scripts attached to a request (<a href="https://github.com/apple/cups/issues/4703">Issue #4703</a>)</li>
	<li>Now support new Chinese locale IDs and their correct fallback locales (&lt;rdar://problem/22086642&gt;, &lt;rdar://problem/22130168&gt;)</li>
	<li>&quot;make check&quot; incorrectly reported an expectation of 18 warning messages when 8 were expected (<a href="https://github.com/apple/cups/issues/4684">Issue #4684</a>)</li>
	<li>The new PDF file type rule did not work (<a href="https://github.com/apple/cups/issues/4692">Issue #4692</a>)</li>
	<li>The scheduler did not update the jobs.cache file when job files were expired (<a href="https://github.com/apple/cups/issues/4706">Issue #4706</a>)</li>
	<li>Fixed some configure script issues (<a href="https://github.com/apple/cups/issues/4694">Issue #4694</a>, <a href="https://github.com/apple/cups/issues/4695">Issue #4695</a>, <a href="https://github.com/apple/cups/issues/4698">Issue #4698</a>)</li>
	<li>Documentation updates (<a href="https://github.com/apple/cups/issues/4691">Issue #4691</a>, <a href="https://github.com/apple/cups/issues/4693">Issue #4693</a>)</li>
</ul>


<h2 class="title"><a name="0201rc1">CUPS 2.1rc1</a> <em>(July 31, 2015)</em></h2>

<ul>
	<li>Added support for 3D printers (basic types only, no built-in filters) based on PWG white paper.</li>
	<li>Fixed bugs in the new journald support (<a href="https://github.com/apple/cups/issues/4655">Issue #4655</a>, <a href="https://github.com/apple/cups/issues/4658">Issue #4658</a>, <a href="https://github.com/apple/cups/issues/4661">Issue #4661</a>)</li>
	<li>Fixed domain socket support on Linux (<a href="https://github.com/apple/cups/issues/4679">Issue #4679</a>)</li>
	<li>Fixed signal handlers in the dnssd and usb backends (<a href="https://github.com/apple/cups/issues/4671">Issue #4671</a>)</li>
	<li>&lt;Limit All&gt; in &lt;Policy&gt; sections now applies to all operations when used by itself (<a href="https://github.com/apple/cups/issues/4659">Issue #4659</a>)</li>
	<li>Configure script changes for systemd support (<a href="https://github.com/apple/cups/issues/4669">Issue #4669</a>)</li>
	<li>Updated autoconf sources to use newer form of AC_INIT (<a href="https://github.com/apple/cups/issues/4664">Issue #4664</a>)</li>
</ul>


<h2 class="title"><a name="0201b1">CUPS 2.1b1</a> <em>(June 8, 2015)</em></h2>

<ul>
	<li>Improved speed of ppdMarkDefaults for complex/large PPDs (&lt;rdar://problem/15146999&gt;)</li>
	<li>The IPP backend now stops sending print data if the printer indicates the job has been aborted or canceled (&lt;rdar://problem/17837631&gt;)</li>
	<li>The IPP backend now sends the job-pages-per-set attribute when printing multiple copy jobs with finishings (&lt;rdar://problem/16792757&gt;)</li>
	<li>The IPP backend now updates the cupsMandatory values when the printer configuration changes (&lt;rdar://problem/18126570&gt;)</li>
	<li>No longer install banner files since third-party banner filters now supply their own (<a href="https://github.com/apple/cups/issues/4518">Issue #4518</a>)</li>
	<li>Added support for EXPECT-ALL directive in ipptool test files (<a href="https://github.com/apple/cups/issues/4469">Issue #4469</a>)</li>
	<li>Added support for WITH-VALUE-FROM predicate in ipptool test files (<a href="https://github.com/apple/cups/issues/4470">Issue #4470</a>)</li>
	<li>The scheduler no longer listens on the loopback interface unless the web interface or printer sharing are enabled (&lt;rdar://problem/9136448&gt;)</li>
	<li>Added a PPD generator for IPP Everywhere printers (<a href="https://github.com/apple/cups/issues/4258">Issue #4258</a>)</li>
	<li>Now install &quot;default&quot; versions of more configuration files (&lt;rdar://problem/19024491&gt;)</li>
	<li>The cupstestppd program did not handle &quot;maxsize(nnn)&quot; entries in cupsFilter/cupsFilter2 values (&lt;rdar://problem/18974858&gt;)</li>
	<li>The scheduler now checks the return value of rename() calls (<a href="https://github.com/apple/cups/issues/4589">Issue #4589</a>)</li>
	<li>The scheduler now validates ErrorPolicy values in config files (<a href="https://github.com/apple/cups/issues/4591">Issue #4591</a>)</li>
	<li>Long cookies caused the web interface to stop working (<a href="https://github.com/apple/cups/issues/4619">Issue #4619</a>)</li>
	<li>Added SSLOptions values to allow Diffie-Hellman key exchange and disable TLS/1.0 support.</li>
	<li>Updated the scheduler to support more IPP Everywhere attributes (<a href="https://github.com/apple/cups/issues/4630">Issue #4630</a>)</li>
	<li>The scheduler now supports advanced ASL and journald logging when &quot;syslog&quot; output is configured (<a href="https://github.com/apple/cups/issues/4474">Issue #4474</a>)</li>
	<li>The scheduler now supports logging to stderr when running in the foreground (<a href="https://github.com/apple/cups/issues/4505">Issue #4505</a>)</li>
</ul>