- Authentication in the web interface did not work on macOS (rdar://41444473)
- Fixed an issue with HTTP Digest authentication (rdar://41709086)
- The scheduler could crash when job history was purged (rdar://42198057)
+- Fixed a crash bug when mapping PPD duplex options to IPP attributes
+ (rdar://46183976)
- Fixed a memory leak for some IPP (extension) syntaxes.
- The `cupscgi`, `cupsmime`, and `cupsppdc` support libraries are no longer
installed as shared libraries.