- Fixed some PPD parser issues (Issue #5623, Issue #5624)
- The IPP parser no longer allows invalid member attributes in collections
(Issue #5630)
+- The configure script now treats the "wheel" group as a potential system
+ group (Issue #5638)
- Fixed a USB printing issue on macOS (rdar://31433931)
- Fixed IPP buffer overflow (rdar://50035411)
- Fixed memory disclosure issue in the scheduler (rdar://51373853)