Datastream now supports MongoDB extended JSON canonical mode as the

## Feature Feature Datastream now supports MongoDB extended JSON canonical mode as the default format for new streams from MongoDB sources to BigQuery destinations. Canonical mode provides higher data fidelity by explicitly labeling every BSON type to prevent precision loss during data exchange. For more information, see the following: * [Stream data from MongoDB databases](https://cloud.google.com/datastream/docs/sources-mongodb) * [MongoDB data types in BigQuery](https://cloud.google.com/datastream/docs/bq-map-data-types#mongodb-data-types)