.NET Driver 2.12.0 Released

.NET Driver Version 2.12.0 Release Notes

This is the general availability release for the 2.12.0 version of the driver.

The main new features in 2.12.0 include:

  • Support for Hidden Indexes in MongoDB 4.4
  • Support for AWS temporary credentials in client-side field level encryption (CSFLE)
  • Support for Azure and GCP keystores in client-side field level encryption (CSFLE)
  • Support for client-side field level encryption (CSFLE) on Linux and Mac OSX
  • Support for GSSAPI/Kerberos on Linux
  • Support for .NET Standard 2.1
  • Various improvements in serialization performance
  • Fixed DNS failures in Kubernetes and Windows Subsystem for Linux (WSL/WSL2)
  • Fixed memory leak in heartbeat when cluster is inaccessible
  • Fixed SDAM deadlock when invalidating former primary

The full list of JIRA issues that are resolved in this release is available at:


Documentation on the .NET driver can be found at:

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