Aws\DynamoDB- Increased DynamoDB transaction limit from 25 to 100.Aws\EC2- This feature allows customers to create tags for vpc-endpoint-connections and vpc-endpoint-service-permissions.Aws\SageMaker- Amazon SageMaker Automatic Model Tuning now supports specifying Hyperband strategy for tuning jobs, which uses a multi-fidelity based tuning strategy to stop underperforming hyperparameter configurations early.