What’s New in the MongoDB .NET 2.2 Driver

The 2.2 driver ships with a number of new features. The most notable are discussed below.

Sync API

The 2.0 and 2.1 versions of the .NET driver featured a new async-only API. Version 2.2 introduces sync versions of every async method.

Support for server 3.2

• Support for bypassing document validation for write operations on collections where document validation has been enabled
• Support for write concern for FindAndModify methods
• Support for read concern
• Builder support for new aggregation stages and new accumulators in $group stage
• Support for version 3 text indexes