Fixed syncrepl SASL bind crash (ITS#3792)
Fixed slurpd error messages
Fixed libldap infinite referral loop (ITS#2894, ITS#3578)
+ Fixed librewrite regex concurrency issue (ITS#3932)
Use IANA assigned OIDs for recently approved IETF LDAP extensions
Build Environment
Fixed test020 logging problem (ITS#3811)