What's New

What's New in 1.8

New features of the 1.8 Go driver release include:

• Full compatibility with MongoDB 5.1.

• Support for KMIP as a KMS provider for CSFLE.

• Redesigned driver connection pool for low operation Context timeouts and to reduce connection churn. Behavior changes include:

  • New connection creation times out at connectTimeoutMS.

  • At most, two new connections can be established at the same time.

• Removal of oppressive and unnecessarily gendered language in the Go driver documentation, code, tests, and spec tests.

What's New in 1.7

New features of the 1.7 Go driver release include:

• Full compatibility with MongoDB 5.0.

• Support for the "snapshot" read concern outside of multi-document transactions for certain read operations.

• Improved WriteException and BulkWriteException error messages for schema validation via the WriteError.Details field.

What's New in 1.6

New features of the 1.6 Go driver release include:

• Support for the MongoDB Stable API. For more information, see the Stable API Guide.

• Support for connections to any MongoDB service that runs behind a load balancer.

• Support for creating time series collections. For more information, see the Time Series Collections Guide.

• Let option for aggregate expressions.

What's New in 1.5

New features of the 1.5 Go driver release include:

• Support for Azure and GCP key-management services with Client-side Field Level Encryption.

• New errors API to detect duplicate-key errors, timeouts, and network errors.

• Server monitoring to monitor changes on a MongoDB deployment.

• Errors to prevent unexpected behavior on maps that contain multiple keys being used as a hint option, as a sort option, or for index creation.

What's New in 1.4

New features of the 1.4 Go driver release include:

• Full compatibility with MongoDB 4.4.

• Support for stapled and non-stapled OCSP verification.

• New tlsDisableOCSPEndpointCheck=true URI option to disable sending HTTP requests if the OCSP responder is not reachable from the driver and there is no stapled response.

• Additional context to errors encountered during BSON unmarshalling.

• Proper Unwrap functions for various driver error types.

What's New in 1.3

New features of the 1.3 Go driver release include:

• mgocompat package that exports a BSON registry compatible with globalsign/mgo/bson, which can be used via the ClientOptions.SetRegistry method.

• RegisterTypeEncoder and RegisterHookEncoder methods, which replace the deprecated RegisterEncoder method. A corresponding change has been made to replace RegisterDecoder.

What's New in 1.2

New features of the 1.2 Go driver release include:

• Support for CSFLE.

• bson.MarshalValue function, which marshals Go types to BSON.

• StringCodec, which allows non-string fields to be decoded into a String field in a struct.

• IntCodec, UIntCodec, BoolCodec, and FloatCodec added to mgocompat to allow codecs to convert between numbers and booleans.

What's New in 1.1

New features of the 1.1 Go driver release include:

• Full compatibility with MongoDB 4.2.

• Redesigned lower-level driver implementation to improve maintainability and performance.

• Connection Monitoring and Pooling specifications to monitor various connection and connection pool events with improved utilization.

What's New in 1.0

This release adds no new features.