MongoDB 3.0.11 is out and is ready for production deployment. This release contains a critical fix for chunk migrations in sharded clusters, and is a recommended upgrade for all 3.0 users. For more details please see https://jira.mongodb.org/browse/SERVER-23425.
P2 SERVER-23425 Inserts during chunk migration get deleted in 3.0.9, 3.0.10
3.0 Release Notes: http://docs.mongodb.org/manual/release-notes/3.0
Downloads: http://www.mongodb.org/downloads
As always, please let us know of any issues.
– The MongoDB Team