MongoDB 2.6.10 is out and is ready for production deployment. This release contains only fixes since 2.6.9, and is a recommended upgrade for all 2.6 users.
Fixed in this release:
SERVER-18364 Ensure non-negation predicates get chosen over negation predicates for multikey index bounds construction
SERVER-18312 Upgrade PCRE to latest
SERVER-18211 MongoDB fails to correctly roll back collection creation
SERVER-18111 mongod allows user inserts into system.profile collection
SERVER-17815 Plan ranking tie breaker is computed incorrectly
SERVER-11980 Improve user cache invalidation enforcement on mongos
As always, please let us know of any issues.
-- The MongoDB Team