MongoDB 2.6.8 is out and is ready for production deployment.
This release contains only fixes since 2.6.7, and is a recommended upgrade for all 2.6 users.
Fixed in this release:
SERVER-17278 BSON BinData validation enforcement
SERVER-17264 improve bson validation
SERVER-17087 Add listCollections command functionality to 2.6 shell & client
SERVER-16599 copydb/clone commands can crash the server if a primary steps down
SERVER-16274 Secondary fasserts trying to replicate an index
SERVER-15802 Query optimizer should always use equality predicate over unique index when possible
As always, please let us know of any issues.
— The MongoDB Team.