On Fedora 27 we had previously 4.0.1. The new releases 4.0.4 will be soon available in updates-testing repository and includes several bug fixes and a few enhancements. You can see release notes here: https://github.com/pingidentity/ldapsdk/releases
In oVirt this package is required by ovirt-engine-extension-aaa-ldap.
Thanks,
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SANDRO BONAZZOLA
ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
Red Hat EMEA