Fixed liblmdb transaction issues (ITS#7515)
Fixed liblmdb mdb_drop overflow page return (ITS#7561)
Fixed liblmdb nested split (ITS#7592)
+ Fixed slapd cn=config with unknown schema elements (ITS#7608)
Fixed slapd-bdb/hdb to wait for read locks in tool mode (ITS#6365)
Fixed slapd-mdb behavior with alias dereferencing (ITS#7577)
Fixed slapd-mdb modrdn and base-scoped searches (ITS#7604)