The Software Update Stack was updated to receive fixes and enhancements.

libsolv:

- Expose solver_get_recommendations() in bindings.
- Fix bug in solver_prune_to_highest_prio_per_name resulting in bad output from solver_get_recommendations().
- Support 'without' and 'unless' dependencies.
- Use same heuristic as upstream to determine source RPMs.
- Fix memory leak in bindings.
- Add pool_best_solvables() function.
- Fix 64bit integer parsing from RPM headers.
- Enable bzip2 and xz/lzma compression support.
- Enable complex/rich dependencies on distributions with RPM 4.13+.
- Fix potential segmentation fault in testcase_depstr. (bsc#1036002)
- Fix performance issues with name = md5sum dependencies. (bsc#1035946)
- Build with libxml2 instead of libexpat.

libzypp:

- Don't store duplicated locks. (bsc#969569)
- Fix default for solver.allowNameChange. (bsc#1071466)
- Don't filter procs with a different mnt namespace. (bsc#1068708)
- Support repo variables in an URIs host:port component. (bsc#1057640, bsc#1067605)
- Fix possible segmentation fault in Locale handling. (bsc#1064999)
- Fix media handling in presence of a repo path prefix. (bsc#1062561)
- Remove unused legacy notify-message script. (bsc#1058783)
- Support multiple product licenses in repomd. (fate#322276)
- Propagate 'rpm --import' errors. (bsc#1057188)
- Fix typos in zypp.conf.

zypper:

- Locale: Fix possible segmentation fault. (bsc#1064999)
- Unify '(add|modify)(repo|service)' property related arguments.
- Fixed 'add' commands supporting to set only a subset of properties.
- Introduced '-f/-F' as preferred short option for --[no-]refresh in all four commands.
(bsc#661410, bsc#1053671)
- Fix missing package names in installation report. (bsc#1058695)
- Differ between unsupported and packages with unknown support status. (bsc#1057634)
- Return error code '107' if an RPM's %post configuration script fails. (bsc#1047233)
- Update manpage regarding custom repository variable fixes. (bsc#1057640, bsc#1067605)

This update was imported from the SUSE:SLE-12-SP2:Update update project.