Changes in CUPS v1.6.3:
- The configure script now prefers Clang over GCC.
- Fixed a compile problem on AIX (Issue #4307)
- The default IPP version did not always get set before creating a new IPP request message (rdar://problem/14401718)
- The lp, lpq, lpr, and lpstat now display an error message advising the use of the /version=1.1 ServerName option (rdar://problem/14290628)
- Added documentation about the /version=1.1 option to ServerName in client.conf (rdar://problem/14216262)
- httpStatus(HTTP_ERROR) did not return a useful error message (rdar://problem/14217326)
- The lp, lpq, lpr, and lpstat commands incorrectly ignored the default printer set in the lpoptions file (rdar://problem/14216472)
- Fixed a URI encoding issue for hostnames containing the ` (backquote) character (rdar://problem/14243133)
- Added support for RFC 6874's IPv6 link local address format in URIs (rdar://problem/13979453)
- The USB backend could crash on libusb-based systems if USB was disabled in the BIOS (rdar://problem/13875729)
- Fixed a rounding error in the PWG media size mapping code (rdar://problem/13493241)
- Fixed several ipptool test files that used old STATUS names.
- Kerberos credentials could get truncated when printing to a shared printer.
- Printing using "ipps" URIs was not encrypted.
- Insecure ICC profiles prevented installation of user profiles for a printer on OS X.
- Added more USB quirks for the libusb-based backend (Issue #4311, rdar://problem/13736470)
- The Russian web interface templates were broken (Issue #4310)
- The scheduler no longer tries to do Kerberos authentication over the loopback interface.
- The IPP backend could fail to pause a job for authentication (Issue #4298)
- Fixed a regression on the handling of auth keys on OS X if the cups-files.conf was not present or did not contain a SystemAuthKey value.
- The scheduler incorrectly did a reverse lookup of the server address when HostNameLookups was turned off (Issue #4302)
- The scheduler incorrectly computed the final content type value when null filters were present.