Changes in CUPS v1.6.4:
- Removed some duplicate size definitions for some ISO sizes that were causing problems (rdar://problem/14722721)
- The IPP backend did not add the "last-document" attribute (rdar://problem/114660379)
- Added a SyncOnClose directive to cups-files.conf to force cupsd to call fsync before closing any configuration/state files it writes (rdar://problem/14523043)
- Added USB quirk rule for Lexmark E238 (rdar://problem/14493054)
- Closed server connections were still not always detected (rdar://problem/14484313)
- The libusb-based USB backend now loads its list of quirks from files in /usr/share/cups/usb instead of using a hardcoded table (rdar://problem/14442769)
- The scheduler did not properly register ICC color profiles with colord (rdar://problem/14455625)