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👋 Looking for changelogs for older versions? You can find them in the changelogs directory.

2.43.2 2026-04-30

AWS SDK for Java v2

  • Features

    • Updated endpoint and partition metadata.
  • Bugfixes

    • Improved error message when ResponseTransformer.toFile() or AsyncResponseTransformer.toFile() fails because the parent directory does not exist. The error now indicates that the parent directory must be created before calling the method.

AWS Single Sign-On Admin

  • Features

    • Add InstanceArn and IdentityStoreArn in the response of CreateApplication API and IdentityStoreArn in the response of DescribeApplication API

Amazon Bedrock AgentCore

  • Features

    • AgentCore Identity now supports on-behalf-of token exchange OAuth2. AgentCore Memory now supports metadata for LongTerm Memory Records.

Amazon Bedrock AgentCore Control

  • Features

    • AgentCore Identity now supports on-behalf-of token exchange OAuth2. AgentCore Memory now supports metadata for LongTerm Memory Records.

Amazon DataZone

  • Features

    • Adds support for asynchronous notebook runs

Amazon Elastic Kubernetes Service

  • Features

    • Vended logs update param for capability vended logs feature

Amazon Route 53 Global Resolver

  • Features

    • Adds support for regions in the UpdateGlobalResolver input.

Amazon SageMaker Service

  • Features

    • Add InstancePools support to Endpoint for flexible provisioning across a prioritized list of instance types. Add Specifications support to InferenceComponent for per-instance-type model configurations.

CloudWatch Observability Admin Service

  • Features

    • Observability Admin enablement launch for AWS Kafka, Bedrock Agent Core Workload Identity and OTel metric enablement.

Managed Streaming for Kafka

  • Features

    • Adds support for ZookeeperAccess field to control the Client-Zookeeper connectivity.

Payment Cryptography Control Plane

  • Features

    • Adds support for resource-based policies on AWS Payment Cryptography keys, enabling cross-account key sharing. Also adds Multi-Party Approval (MPA) team association APIs for protecting sensitive import root public key operations.

Url Connection Client

  • Bugfixes

    • Allow retry when URL Connection HTTP Client encounters a NullPointerException wrapped in a RuntimeException

2.43.1 2026-04-29

AWS Account

  • Features

    • Adds AccountState in the response for the GetAccountInformation API. Each state represents a specific phase in the account lifecycle. Use this information to manage account access, automate workflows, or trigger actions based on account state changes.

AWS Elemental MediaPackage v2

  • Features

    • This feature adds configuration for specifying SCTE marker handling and allow greater control over generated manifest and segment URIs

AWS SDK for Java v2

  • Features

    • Updated endpoint and partition metadata.
  • Bugfixes

    • Fixed deserialization failure for JSON responses containing field names longer than 50,000 characters. Services like DynamoDB allow attribute names up to 65,535 bytes, which exceeded Jackson's default maxNameLength limit.

AWS Transfer Family

  • Features

    • This launch will increase the limits for customers to list the contents from the remote directories from 10k to 200k.

AWSDeadlineCloud

  • Features

    • Adds support for rtx-pro-server-6000 GPU accelerator for service-managed fleets.

Amazon Bedrock AgentCore

  • Features

    • Adds batch evaluation for running evaluators against multiple agent sessions with server-side orchestration, AI-powered recommendations for optimizing system prompts and tool descriptions, and AB testing with controlled traffic splitting and statistical significance reporting

Amazon Bedrock AgentCore Control

  • Features

    • Adds configuration bundles for versioned, immutable agent configuration snapshots with branch-based lineage

Amazon CloudFront

  • Features

    • Amazon CloudFront now supports cache tag. Tag objects via response headers and invalidate all matching objects in a single request, replacing manual URL tracking and broad wildcards.

Amazon Elastic Container Registry

  • Features

    • Removes support for registry policy V1

Amazon GameLift

  • Features

    • Amazon GameLift Servers adds a new DescribeContainerGroupPortMappings API for container fleets, making it easy to discover which connection ports map to your container ports without needing to remotely access the compute.

Amazon S3

  • Bugfixes

    • Add custom 503 throttling detection for S3 head operations

Amazon WorkSpaces Web

  • Features

    • Allow admins to configure IPv6 ranges on IP Access Settings.

S3 Transfer Manager

  • Bugfixes

    • Fixed an issue where cancelling a directory transfer did not fully stop the operation.

S3TransferManager

  • Features

    • Support MRAP buckets in S3 TransferManager.

2.43.0 2026-04-27

AWS Glue

  • Features

    • Addition of AdditionalAuditContext to GetPartition, GetPartitions, GetTableVersion, and GetTableVersions

AWS Key Management Service

  • Features

    • KMS GetKeyLastUsage API provides information on the last successful cryptographic operation performed on KMS keys. This new API provides KMS customers with the last timestamp, CloudTrail eventId, and the cryptographic operation that was performed on the key.

AWS SDK for Java v2

  • Features

    • Add support for overriding authSchemeProvider per request.
    • Optimize ExecutionAttributes to reduce resizes and reduce hash computation cost.

AWSBillingConductor

  • Features

    • Add support for Passthrough pricing plan

Amazon CloudWatch Application Signals

  • Features

    • Application Signals now supports creating composite Service Level Objectives on Service Operations. Users can now create service SLO on multiple operations.

Amazon CloudWatch Logs

  • Features

    • Adds support for selecting all logs sources and types in a single association.

Amazon GameLift Streams

  • Features

    • Adds Proton 10.0-4 to the list of runtime environment options available when creating an Amazon GameLift Streams application

Amazon Interactive Video Service

  • Features

    • Adds tags parameter to the CreateAdConfiguration operation

Amazon Omics

  • Features

    • Enable Public Internet or VPC configuration to BatchRun

Amazon OpenSearch Service

  • Features

    • Amazon OpenSearch Service now supports JWKS URL configuration for JWT authentication

Amazon S3

  • Features

    • Add configurable expectContinueThresholdInBytes to S3Configuration (default 1 MB). The Expect: 100-continue header is now only added to PutObject and UploadPart requests when the content-length meets or exceeds the threshold, reducing latency overhead for small uploads.

Amazon SageMaker Service

  • Features

    • Updated API documentation for endpoint MetricsConfig. Added details on supported metric publish frequencies and clarified how EnableEnhancedMetrics controls utilization and invocation metric behavior.

Amazon WorkSpaces

  • Features

    • Added support for Protocol as modified resource and added update failure as modification state

Application Migration Service

  • Features

    • Added network modernization support, enabling customers to edit, resize, merge, and split VPCs and subnets during migration while retaining functional, non-conflicting IP addresses.

S3 Transfer Manager

  • Bugfixes

    • Fix TransferListener callbacks (bytesTransferred, transferComplete) not firing for unknown-content-length uploads via S3TransferManager when the data fits in a single chunk.