2.57.0 2026-10-19

AWS Amplify

• Features

  • Documentation update release for AWS service

AWS CodeCommit

• Features

  • Documentation update release for AWS service

AWS CodeConnections

• Features

  • Documentation update release for AWS service

AWS CodeDeploy

• Features

  • Adds support for suspending Amazon EC2 Auto Scaling processes during CodeDeploy EC2 in-place deployments. Use ec2DeploymentOptions to choose which processes are suspended and resumed.

AWS CodePipeline

• Features

  • Documentation update release for AWS service

AWS CodeStar Notifications

• Features

  • Documentation update release for AWS service

AWS Control Tower

• Features

  • Documentation update release for AWS service

AWS DevOps Agent Service

• Features

  • Documentation update release for AWS service

AWS End User Messaging Social

• Features

  • Adding support for WhatsApp Direct Send.

AWS Glue DataBrew

• Features

  • Documentation update release for AWS service

AWS IoT Wireless

• Features

  • Documentation update release for AWS service

AWS SDK for Java v2

• Bugfixes

  • Improve the performance of parsing profile files with many property continuation lines.
  • Releases HTTP response resources when an execution interceptor fails during response processing, preventing connection-pool leaks in synchronous and asynchronous clients.

• Removals

  • Remove the software.amazon.eventstream:eventstream dependency.

AWS X-Ray

• Features

  • Adds support for encrypting the Transaction Search spans log group with a customer managed AWS KMS key. Pass the key ARN in the new CloudWatchLogsConfiguration.SpansLogGroupKmsKeyId field of UpdateTraceSegmentDestination. X-Ray applies the key when it creates the log group.

Agents for Amazon Bedrock

• Features

  • Adds Retrieval Instructions for Amazon Bedrock Knowledge Bases. Create, get, update, delete, list, and version customer-authored instructions that guide how a knowledge base retrieves and answers, with content review before use.

Agents for Amazon Bedrock Runtime

• Features

  • Adds support for applying a Retrieval Instruction, optionally by version, to AgenticRetrieveStream requests for Amazon Bedrock Knowledge Bases, and reports the applied instruction and version on the trace.

Amazon Bedrock AgentCore

• Features

  • Adds the Builtin.FailureAnalysis evaluator for batch evaluations. GetBatchEvaluation now returns insightResults that group session failures into insights with root causes and suggested fixes.

Amazon CloudFront

• Bugfixes

  • Fixed an issue where CloudFrontClient and CloudFrontAsyncClient had no paginator methods

Amazon CloudWatch

• Features

  • This release adds ActionConfiguration to PutMetricAlarm, PutCompositeAlarm and PutLogAlarm. It allows customers to include an alarm's tags in its notifications and alarm state change events

Amazon CloudWatch Logs

• Features

  • Amazon CloudWatch Logs now supports filtering DescribeDeliverySources by resourceArns, DescribeDeliveryDestinations by names, and DescribeDeliveries by deliverySourceNames.

Amazon Connect Service

• Features

  • Amazon Connect GetAttachedFile API now supports an optional UrlContentDisposition parameter. Set it to INLINE to get a pre-signed URL that displays the file in the browser, so agents can preview email attachments without downloading them. ATTACHMENT (download) remains the default.

Amazon DataZone

• Features

  • Adds SDK and CLI support for the Iceberg REST catalog connection types already available in Amazon SageMaker Unified Studio - ICEBERGRESTCATALOG, SNOWFLAKEICEBERGRESTCATALOG, and DATABRICKSICEBERGRESTCATALOG.

Amazon DynamoDB

• Features

  • Enable account endpoint generation for existing CN and GovCloud regions

Amazon DynamoDB Enhanced Client

• Documentations

  • Clarified in the UpdateItemEnhancedRequest Javadoc that ignoreNulls and IgnoreNullsMode don't apply to the version attribute.
    • Contributed by: @adev-code

Amazon EC2 Container Service

• Features

  • Adds support for configurable envoy application log levels. Customers can now debug network connectivity issues with their task's sidecar envoys.

Amazon EMR Containers

• Features

  • Documentation update release for AWS service

Amazon GuardDuty

• Features

  • Adding a new Expected Bucket Owner optional field for GuardDuty publishing destination APIs

Amazon Managed Grafana

• Features

  • Documentation update release for AWS service

Amazon OpenSearch Service

• Features

  • Amazon OpenSearch Service adds a new TLS security policy to support FIPS policy and post-quantum cryptography

Amazon WorkSpaces

• Features

  • Adds optional imageValidationMode enum to ImportCustomWorkspaceImageRequest. This allows customers to opt-in to having prevalidation run in the service account instead of customer account.

Amazon Workspaces Instances

• Features

  • ModifyVolume is a new public API for WorkSpaces Core Managed Instances. Customers can change the size, type, IOPS, or throughput of an existing managed volume online, with no stop required. Customers track progress by calling EC2 DescribeVolumesModifications directly.

CloudWatch Observability Admin Service

• Features

  • Adding support for EKS Container Insights Telemetry Rules

Elastic Disaster Recovery Service

• Features

  • Documentation update release for AWS service

S3 Transfer Manager

• Bugfixes

  • Fixed an issue where S3TransferManager#downloadDirectory failed the entire directory download when an object's key mapped to a path outside the destination directory or to a path that is not valid on the local file system. Such objects are now skipped and reported in CompletedDirectoryDownload#failedTransfers(), and the remaining objects are still downloaded.
  • Fixed an issue where S3TransferManager#uploadDirectory with a custom s3Delimiter silently uploaded two local files to the same key when the delimiter appeared in a file or directory name, for example a/b and a-b with the delimiter -. Only the first file is now uploaded to that key, and each other file that maps to it is reported in CompletedDirectoryUpload#failedTransfers().

Timestream InfluxDB

• Features

  • Adds four new parameters to the InfluxDBv3Enterprise parameter group for Amazon Timestream for InfluxDB. The new parameters are upgradePachaTree, walBufferSize, snapshotSize, and snapshotDuration.

Contributors

Special thanks to the following contributors to this release:

@adev-code