LMDB 0.9 Change Log
LMDB 0.9.22 Engineering
+ Fix regression with new db from 0.9.19 (ITS#8760)
+ Fix liblmdb to build on Solaris (ITS#8612)
+ Fix delete behavior with DUPSORT DB (ITS#8622)
LMDB 0.9.21 Release (2017/06/01)
Fix xcursor after cursor_del (ITS#8622)