CUPS 1.4.0 is now available for download from:
http://www.cups.org/software.html
CUPS 1.4.0 adds over 67 changes and new features to CUPS 1.3.11, including improved Bonjour/DNS-SD support, supply level and status reporting for network printers via SNMP, an improved web interface, and the CUPS DDK tools.
Changes since 1.4rc1 include: