Fixed liblmdb MDB_PREV behavior (ITS#7556)
Fixed liblmdb transaction issues (ITS#7515)
Fixed liblmdb mdb_drop overflow page return (ITS#7561)
+ Fixed liblmdb nested split (ITS#7592)
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-meta binding flag is set (ITS#7524)