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The BigQuery Data Transfer Service now recommends more granular `bigquery` OAuth scopes for creating and patching transfer configurations. The broader `cloud-platform` scope remains supported as an alternative.
Developers can now secure sensitive transfer credentials using Secret Manager instead of raw strings. This update also marks specific configuration fields as read-only, which may impact generated client libraries.
The output-only metadataDestination field has been removed from the TransferRun resource schema.
BigQuery Data Transfer Service now supports automated metadata import into Dataplex Universal Catalog during data transfers.
