OpenLDAP 2.4.22 Engineering
Added slapd SLAP_SCHEMA_EXPOSE flag for hidden schema elements (ITS#6435)
Added slapd tools selective iterations (ITS#6442)
+ Added slapd syncrepl TCP keepalive (ITS#6389)
Added slapo-ldap idassert-passthru (ITS#6456)
Added slapo-pbind
Fixed libldap GnuTLS serial length (ITS#6460)
Fixed libldap MozNSS context and PEM support (ITS#6432)
+ Fixed libldap referral on bind behavior(ITS#6510)
Fixed slapd acl non-entry internal searches (ITS#6481)
+ Fixed slapd acl attrval style initialization (ITS#6520)
Fixed slapd certificateListValidate (ITS#6466)
Fixed slapd empty URI parsing (ITS#6465)
Fixed slapd glued misplaced entries (ITS#6506)