- • Security - SASL, Kerberos, additional privileges
- • Hash-based Sharding
- • Geospatial Indexing: query intersecting polygons
- • Aggregation framework: faster and more features
- • V8 JavaScript engine replaces SpiderMonkey
- • Replica set flapping reduced, initial sync for replication much faster
- • MMS running in your own data center
- • Text search (experimental)
