Additional support for managing HMAC keys that adheres to changes documented...

Additional support for managing HMAC keys that adheres to changes documented in X9.143-2021 and provides better interoperability for key import/export
This release introduces alternative support for utilizing CFN templates from S3 for SageMaker Projects.
This release adds the capability to enable IAM IdentityCenter Trusted Identity Propagation for users running Interactive Sessions on EMR Serverless Applications.
Support Schema Registry feature for Kafka Event Source Mapping. Customers can now configure a Schema Registry to enable schema validation and filtering for Avro, Protobuf, and JSON-formatted events in Lambda for Kafka Event Source.
This release of the SDK has the API and documentation for the createcustommodel API. This feature lets you copy a trained model into Amazon Bedrock for inference.
Additional support for managing HMAC keys that adheres to changes documented in X9.143-2021 and provides better interoperability for key import/export