此版本修复了一个潜在的缓冲溢出问题，还有一些常规的 bug 修复：
Security: cupsRasterReadPixels buffer overflow with invalid page header and compressed raster data (STR #4551)
Command-line programs were not localized on Mac OS X (
The scheduler incorrectly cleared the MakeModel string in the printers.conf file after a restart (
CUPS did not compile with older versions of GNU TLS (STR #4527)
CUPS did not compile without Avahi or mDNSResponder (STR #4523)
ippLength() did not return the correct length for IPP_TAG_CONST string values.
The scheduler incorrectly aborted jobs after a job was restarted (
The cups-files.conf file contained the old ServerCertificate/Key directives instead of ServerKeychain.
Fixed builds when no SSL/TLS library is available, or when explicitly disabled (STR #4531)
Fixed an OpenBSD charset transcoding issue.
Fixed USB printing on OpenBSD (STR #4525)
The --without-xinetd configure option did not work (STR #4542)
Backends needing to load OS X kernel extensions did not work (
Mapping of PPD keywords to IPP keywords did not work if the PPD keyword was already an IPP keyword (
cupsGetPPD* sent bad requests (STR #4567)
ippserver used the wrong temporary directory on Windows (STR #4547)
ippserver did not handle Bonjour registrations properly (STR #4548)
The scheduler could crash during shutdown if Avahi was shutdown first (STR #4550)
Added a USB quirk rule for Intermec printers (STR #4553)
The scheduler did not always log which configuration file had the error (STR #4559)
The ippfind and ipptool programs now correctly match hostnames with trailing dots (STR #4563)
The ipptool timeout option did not work (STR #4515)
Fixed several issues with client.conf, CUPS_SERVER, and the "-h" option of most commands (STR #4528)
Another change for OpenBSD (STR #4526)
Added Japanese localization (STR #4524)
Documentation changes (STR #4569)
Enjoy!
Unix/Linux下打印总是有许多限制。但若安装了CUPS（Common UNIX Printing System），你将会得到一个完整的打印解决方案。
在UNIX/Linux 下打印的方法很久以来都是用lpd（命令行方式的打印守护程序），它不支持IPP（Internet打印协议），而且也不支持同时使用多个打印设备。
CUPS给Unix/Linux用户提供了一种可靠有效的方法来管理打印。它支持IPP，并提供了LPD，SMB（服务消息块，如配置为微软WINDOWS的打印机）、JetDirect等接口。CUPS还可以浏览网络打印机。
软件详情：http://www.cups.org/
下载地址：http://www.cups.org/software.php
来自:开源中国社区