5.2.0.rc0
This release candidate includes support for the new features of server version 3.4, among other smaller changes:
- Refactored map reduce internals
- MONGOID-4398 Synchronize driver client creation
- Don't use unless with else (@ivanovaleksey)
- MONGOID-4237 Extend BSON::Decimal128 so it can be evolved in queries
- MONGOID-4326 Support collation in queries
- MONGOID-4328 Allow app_name to be set in mongoid.yml
- MONGOID-4327 Ensure that max_staleness is exposed as a read pref option