MongoDB 3.1.2 has been released. As a reminder, 3.1.2 is a development release and is not intended for production use. The 3.1 series will evolve into 3.2, which will be for production.
New/fixed in this release:
SERVER-18199 WiredTiger changes for MongoDB 3.1.2
SERVER-17907 B-tree eviction blocks access to collection for extended period under WiredTiger
SERVER-17889 Using eval command to run mapReduce with non-inline "out" option triggers fatal assertion failure
SERVER-17689 Server crash during initial replication sync
SERVER-17591 Add SSL flag to select supported protocols
TOOLS-717 mongorestore does not skip restore of system.profile collection
If you have any questions please let us know.
-- The MongoDB Team