The imageto* filters could crash with bad GIF files (Issue #3867)
The scheduler might leave old job data files in the spool directory (Issue #3795)
CUPS did not work with locales using the ASCII character set (Issue #3832)
httpAddrString() did not return a URI-style IPv6 numeric address (Issue #3814)
Fixed an issue when reading compressed CUPS raster streams (Issue #3812)
Fixed an issue with PostScript printer auto-configuration (Issue #3443)
Fixed some compatibility issues with the libusb-based USB backend (Issue #3799)
The network backends no longer try to collect SNMP supply and status information for raw queues (Issue #3809)
The DBUS notifier did not report job state changes (Issue #3805)
The scheduler did not always report that the “normal” print-quality value was supported (Issue #3803)
The gziptoany filter did not report the correct error if it was unable to write the uncompressed document to the next filter or backend in the chain (Issue #3797)
The Epson and Oki 9-pin drivers had a bad resolution option (Issue #3798)
The scheduler did not always register the correct default ICC profile on Mac OS X.
The scheduler did not use the job owner when authorizing access for the CUPS-Get-Document operation, preventing non-admins from accessing their own jobs.
CUPS did not work with some printers that incorrectly implemented the HTTP/1.1 standard (Issue #3778, Issue #3791)
The scheduler did not retry fax jobs properly.
The scheduler now recognizes an empty cupsCommands PPD keyword as meaning that CUPS commands are not supported for a printer (Issue #3773)
Fixed a crash bug in the scheduler when the application/octet-stream MIME type was not defined (Issue #3690)
Polled printers were advertised more slowly than necessary (Issue #3574)
cupsResolveConflicts() did not handle resolving multiple UIConstraints issues (Issue #3705)
The SetEnv and PassEnv directives had no effect (Issue #3664)
The web interface no longer tries to use multi-part delivery when adding printers (Issue #3455)
The libusb-based USB backend printed slowly to the LaserJet 1300 and other printers (Issue #3405)
“lp” and “lpr” failed to print with Kerberos enabled (Issue #3768)
The cupsctl program now displays an error if you try to directly set the Port or Listen directives (Issue #3749)
PPD files with “*JobPatchFile: bla” no longer fail to load in relaxed conformance mode (Issue #3747)
The scheduler generated a bad notify-text string for printer state change notifications (Issue #3739)
The scheduler incorrectly updated printers.conf when it really needed to update classes.conf or remote.cache (Issue #3726)
Hardwired remote printers with options did not work (Issue #3717)
Accessing the CUPS web interface using a CNAME-based hostname would sometimes fail due to redirection to the actual hostname (Issue #3701)
Subscription events had a misspelled attribute (Issue #3693)
“make check” failed if LC_MESSAGES was set (Issue #3765)
Fixed the configure script to always look for the pkg-config script (Issue #3761)
The scheduler now only looks up interface hostnames if HostNameLookups are enabled (Issue #3737)
Fixed a compilation problem on DragonFly BSD (Issue #3738)
The default PageLogFormat value had the username and job ID swapped from CUPS 1.3.x (Issue #3727)
The scheduler could crash if a browsed printer times out while a job is printing (Issue #3754)
The scheduler incorrectly mapped custom page sizes to standard sizes (Issue #3764)
cupsfilter and pstops did not map IPP attributes to PPD options due to a change in cupsMarkOptions (Issue #3756)
The scheduler did not always show the most recent status message from the print filters (Issue #3731)
The PostScript filter did not apply the mirror and number-up options properly, leading to offset and clipped output (Issue #3732)
The network backends always reported “low toner” or “out of toner” states, even for inkjet printers (Issue #3733)