Release v1.44.99 (2022-09-15) (#4559) Release v1.44.99 (2022-09-15) === ### Service Client Updates * `service/dynamodb`: Updates service API, documentation, waiters, paginators, and examples * Increased DynamoDB transaction limit from 25 to 100. * `service/ec2`: Updates service API and documentation * This feature allows customers to create tags for vpc-endpoint-connections and vpc-endpoint-service-permissions. * `service/sagemaker`: Updates service API and documentation * 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.