Fixed slapd cn=config olcDbConfig bug (ITS#3815)
Fixed slapd cn=config olcReadOnly bug (ITS#3820)
Fixed slapd cn=config hdb+bdb bug (ITS#3821)
+ Fixed slapd ACL attrs/val EQUALITY issue (ITS#3830)
+ Fixed slapd authx-regexp diagnostics (ITS#3819)
Fixed slapd index_substr_any_step keyword (ITS#3818)
Fixed slapd -f directory issue (ITS#3865)
Fixed slapd attributeOptions config parsing (ITS#3829)
Fixed slapadd/index bdb/hdb db_stat issue (ITS#3824)
Fixed slapcat cn=config segfault (ITS#3796)
Fixed slapd authzTo/From syntax issue (ITS#3921)
+ Fixed libldap abandon concurrency issue (ITS#3800)
Fixed libldap start_tls referral chasing (ITS#3791)
Fixed libldap referral chasing issues (ITS#2894,3578)
Use IANA-assigned OIDs for recently approved LDAP extensions