2.57.4 2026-10-26

AWS Billing

• Features

  • Adds support for managing private pricing contracts and contractual investments including listing and associating contracts, retrieving contractual investments and their summaries, and creating, listing, and canceling contractual investment attestations

AWS CRT HTTP Client

• Features

  • Add useTrustStoreSystemProperties to AwsCrtHttpClient.Builder and AwsCrtAsyncHttpClient.Builder. When enabled, the client trusts the certificates in the trust store specified by the javax.net.ssl.trustStore* JSSE system properties instead of the OS trust store. Disabled by default.

AWS Elemental MediaLive

• Features

  • AWS Elemental MediaLive now lets you control whether explicit weighted prediction is applied to H.264 outputs. It also introduces Perceptual Filter, a new noise reduction filter designed to improve video quality by increasing VMAF scores, now with Auto, None, and strength options.

AWS Key Management Service

• Features

  • This release adds support for ML-KEM (Module-Lattice-Based Key-Encapsulation Mechanism) keys in AWS KMS. ML-KEM, as specified in NIST FIPS 203, is a post-quantum key encapsulation mechanism that can be used to establish a shared secret between two parties.

AWS Marketplace Catalog Service

• Features

  • This release adds support for the SubsidiaryAuthorization entity type in the ListEntities operation, including entity-type filters with partial name search, sort options, and a summary returned for each subsidiary authorization.

AWS MediaConnect

• Features

  • This release adds support for managing and sharing endpoint across accounts in AWS Elemental MediaConnect. You can now register endpoints to represent external or service-managed sources and destinations, and share them across AWS accounts.

AWS SDK for Java v2

• Features

  • Updated endpoint and partition metadata.

AWS Sign-In Service

• Features

  • Adds support for the OAuth 2.0 Token Exchange grant (RFC 8693), enabling applications to exchange identity provider issued JSON Web Tokens (JWTs) for short-lived OAuth access tokens to access supported AWS services without managing separate AWS credentials.

AWS Single Sign-On Admin

• Features

  • Added support for the RegionScope parameter on ListInstances, allowing you to list IAM Identity Center instances in the current Region or across all Regions.

AWSDeadlineCloud

• Features

  • fix the sdk documenation issue only

Amazon AppStream

• Features

  • Add Windows 11 to PlatformType enum

Amazon Connect Service

• Features

  • Amazon Connect now automatically saves agents' in-progress email drafts preserving the message, recipients, and subject during browser or network interruptions so agents can return to the mail and continue instead of starting over.

Amazon DynamoDB Enhanced Client

• Features

  • Added strategy-based UUID generation to DynamoDbAutoGeneratedUuid with ALWAYS (default) and CREATE modes.

Amazon Elastic Container Registry

• Features

  • Add support for ECR replication backfill

Amazon Elastic Kubernetes Service

• Features

  • This release adds support for EKS management of Gateway API CRDs (Custom Resource Definitions)

Amazon Interactive Video Service

• Features

  • The release adds failover slate configurations, which show viewers a slate during temporary broadcaster network disruptions to reduce viewer drop-off and refresh storms.

Amazon Lightsail

• Features

  • This release adds Web Application Firewall (WAF) support for Lightsail distribution.

Amazon SageMaker Service

• Features

  • Amazon SageMaker HyperPod adds the MultiNodeTrainingValidation deep health check for clusters orchestrated by Amazon EKS. It validates NVIDIA GPU instances by running a short multi-node training workload and flags instances that produce numerical errors or fall behind expected training time.

EC2 Metadata Client

• Bugfixes

  • Validate that the metadata path passed to Ec2MetadataClient#get and Ec2MetadataAsyncClient#get cannot change the scheme, host, or port of the configured IMDS endpoint.

Tax Settings

• Features

  • Add Mexico Additional Info changes

odb

• Features

  • Adds support for Exascale storage with Oracle Exadata Database Service on Dedicated Infrastructure