LMDB 0.9 Change Log
+LMDB 0.9.19 Release Engineering
+ Tweak Win32 error message buffer
+ Fix MDB_GET_BOTH on non-dup record (ITS#8393)
+ Optimize mdb_drop
+ Fix xcursors after mdb_cursor_del (ITS#8406)
+ Fix MDB_NEXT_DUP after mdb_cursor_del (ITS#8412)
+
LMDB 0.9.18 Release (2016/02/05)
Fix robust mutex detection on glibc 2.10-11 (ITS#8330)
Fix page_search_root assert on FreeDB (ITS#8336)