AWS SDK for Java v2 2.49.1

2.49.1 2026-07-22

ARC - Region switch

• Features

  • Adds support for a client token in StartPlanExecution to make plan execution requests idempotent for safe retries.

AWS CRT HTTP Client

• Bugfixes

  • Do not set the Content-Length header on a request that already carries Transfer-Encoding. Emitting both violates RFC 7230 and was rejected by the underlying CRT layer; this aligns the CRT client with the Netty client's existing behavior for chunked requests.

AWS Parallel Computing Service

• Features

  • AWS PCS Node Lifecycle Actions provides a structured way to run custom scripts at defined points in a compute node's lifecycle directly through the AWS PCS compute node group API.

AWS SDK for Java v2

• Features

  • Updated endpoint and partition metadata.

Amazon CloudWatch

• Features

  • Adds documented value constraints for CloudWatch Log Alarm scheduled query configuration fields, and makes LogGroupIdentifiers optional for log alarms.

Amazon GuardDuty

• Features

  • Amazon GuardDuty now returns filter lifecycle metadata in GetFilter responses. The response includes createdAt and updatedAt timestamps and a version number that increments on each update, giving you visibility into when a filter was created and last modified.

Amazon Prometheus Service

• Features

  • Add CloudWatch dataset destinations for Amazon Managed Service for Prometheus collectors.

Amazon S3

• Bugfixes

  • Fix a race condition in multipart upload with low maxInFlightParts where CompleteMultipartUpload could be initiated while the final part was still uploading.

Amazon Simple Email Service

• Features

  • Launching DEED and MREP in US GOV

CloudWatch Observability Admin Service

• Features

  • Enablement for ALB and Bedrock Knowledge Base logs via Observability Admin Telemetry Rule for account and organization level

Elastic Load Balancing

• Features

  • This adds CLI examples for the IpAddressType field on SourceIpConfig, enabling Network Load Balancer listener rules to match traffic based on whether the source IP is IPv4 or IPv6.

Partner Central Account API

• Features

  • Adds Qualifications Association APIs that enable partners to associate a subsidiary account's qualifications with a primary account. Once associated, qualifications are shared across all connected accounts and scorecards are consolidated. Partners can start and track association and disassociation.

AWS SDK for Java v2 2.49.0

2.49.0 2026-07-21

AWS EntityResolution

• Features

  • Add support for real time matching with AWS Entity Resolution matching workflows with advanced rule sets.

AWS Invoicing

• Features

  • Added the SendProcurementPortalValidation and VerifyProcurementPortalValidation APIs. You can use the AWS SDKs to self-service activate your Procurement Portal Preferences created on the Billing Preferences page with a one-time-passcode (OTP) delivered to your portal.

AWS SDK for Java v2

• Features

  • Update Netty to 4.1.136

• Bugfixes

  • Eliminate per-operation lambdas for endpoint and auth scheme resolution in generated clients, permanently fixing constant pool overflow for large services like EC2 Internal.

Amazon EMR Containers

• Features

  • Added support for the DeleteSecurityConfiguration API, which allows customers to delete security configurations in Amazon EMR on EKS. Also added authenticationConfiguration in securityConfigurationdata structure.

Amazon Redshift

• Features

  • Amazon Redshift - Added support for managing Query Editor V2 IAM Identity Center applications via new CreateQev2IdcApplication, DescribeQev2IdcApplications, ModifyQev2IdcApplication, and DeleteQev2IdcApplication API operations.

Amazon Simple Systems Manager (SSM)

• Features

  • Added a WarningMessage field to Automation along with corresponding public documentation.

Inspector2

• Features

  • GA date - July 21st 2026, remove Tags field from ListCodeSecurityIntegration and ListCodeSecurityScanConfiguration.

Redshift Data API Service

• Features

  • update the workgroupArn to include EUSC partition, tests in THF Gamma and Prod no issue

Timestream InfluxDB

• Features

  • This release adds support for custom plugins in Amazon Timestream for InfluxDB. InfluxDB 3 Core and Enterprise DB parameter groups now accept a plugin repository URL and optional AWS Secrets Manager secret ARN, so the Processing Engine loads your Python plugins from a public or private repository.

AWS SDK for Java v2 2.48.4

2.48.4 2026-07-20

AWS CRT HTTP Client

• Bugfixes

  • Preserve the underlying CRT HttpException (including the CRT error code) as the cause of the SSLHandshakeException and ConnectException surfaced for TLS negotiation failures and socket timeouts, so callers can differentiate transient failures from persistent ones by inspecting the exception cause chain.

AWS MediaTailor

• Features

  • This change adds api support for configuring ad decision server timeouts and concurrency fields on MediaTailor playback configurations

AWS Organizations

• Features

  • Updated InvalidInputException error documentation to clarify that the service validates free-text field values against common cross-site scripting (XSS) patterns.

AWSMarketplace Metering

• Features

  • For new SaaS product integrations, CustomerIdentifier is not populated in ResolveCustomer responses and is not supported in BatchMeterUsage. Use CustomerAWSAccountId and LicenseArn instead.

Amazon Bedrock AgentCore

• Features

  • Add W3C trace context headers (traceparent, tracestate, baggage) and X-Amzn-Trace-Id to InvokeHarness request for end-to-end observability propagation. Add toolResultMetadata to the streaming content block delta for MCP tool result meta delivery without oversized SSE frames.

Amazon Bedrock AgentCore Control

• Features

  • This release adds support for specifying a connector version on Gateway targets to pin the connector's tool schema. It also introduces web-search connector version 1.2.0, which adds agent-side domain filtering, published date range filtering, and admin-side domain allowlisting.

Amazon QuickSight

• Features

  • Adds support for custom permissions for Triggers, allowing administrators to control user access to Schedule, Inbound Email and Quick Event triggers.

Amazon Simple Email Service

• Features

  • Amazon SES introduces three new Pricing Plans (Essentials, Pro, Enterprise), which bundle SES features under one pricing umbrella. The new PutAccountPricingAttributes API lets the user set the account's plan, while current plan retrievalif done through the new PricingAttributes field on GetAccount.

Inspector2

• Features

  • Adds Windows path support for deep inspection. Fixes tag propagation for connector CloudFormation stack operations.

AWS SDK for Java v2 2.48.3

2.48.3 2026-07-17

AWS CRT HTTP Client

• Features

  • Add a minTlsVersion(TlsVersion) builder option on AwsCrtHttpClient and AwsCrtAsyncHttpClient that enforces a minimum TLS protocol version for outbound connections. Currently supports TlsVersion.TLS_1_3 and TlsVersion.SYSTEM_DEFAULT (the default). Fixes #5619.

AWS SDK for Java v2

• Features

  • Updated endpoint and partition metadata.

Amazon Cognito Identity Provider

• Features

  • Amazon Cognito user pools now support sending SMS via AWS End User Messaging. A new EumsSms object in SmsConfigurationType lets you deliver MFA and verification texts through AWS End User Messaging, alongside the existing Amazon SNS option.

Amazon GameLift Streams

• Features

  • Amazon GameLift Streams now supports assigning an IAM role to a stream session, enabling your application to securely access resources in your AWS account, such as Amazon S3 buckets and DynamoDB tables.

Amazon Kinesis Analytics

• Features

  • Support for Flink 2.3 in Managed Service for Apache Flink

Amazon Relational Database Service

• Features

  • Adds the AssociatedRoles parameter to CreateDBCluster, RestoreDBClusterFromSnapshot, RestoreDBClusterToPointInTime, and RestoreDBClusterFromS3, letting customers associate IAM roles with an Aurora DB cluster at create or restore time instead of calling AddRoleToDBCluster afterward.

odb

• Features

  • Adds support for sourcing Autonomous Database admin and wallet passwords from customer-managed AWS Secrets Manager secrets, including password source configuration and summaries, and enabling or disabling the OCI IAM service role for Secrets Manager integration via InitializeService.

AWS SDK for Java v2 2.48.2

2.48.2 2026-07-16

AWS SDK for Java v2

• Features

  • Updated endpoint and partition metadata.

AWS Sustainability

• Features

  • Adds support for retrieving estimated water allocation data.

Amazon Chime SDK Voice

• Features

  • Marked CreateProxySession, DeleteProxySession, GetProxySession, ListProxySessions, UpdateProxySession, PutVoiceConnectorProxy, DeleteVoiceConnectorProxy, and GetVoiceConnectorProxy as deprecated.

Amazon EMR

• Features

  • Amazon EMR updates the Session object returned by GetSession API

Amazon Omics

• Features

  • Adds support for returning the task UUID (universally unique identifier) in GetRunTask and ListRunTasks responses

Amazon Redshift

• Features

  • Amazon Redshift - Added support for rg.large and rg.12xlarge node types in CreateCluster, ModifyCluster, and ResizeCluster API operations.

Amazon SageMaker Service

• Features

  • Release support for g7 instance type for SageMaker inference endpoints.

Amazon Simple Storage Service

• Features

  • Documentation update for removing the 30 day minimum restriction for transition to Standard-IA or OneZone-IA storage classes

AWS SDK for Java v2 2.48.1

2.48.1 2026-07-15

AWS SDK for Java v2

• Bugfixes

  • Fixed an issue where ContainerCredentialsProvider rejected the EKS Pod Identity IPv6 endpoint unless AWS_EC2_METADATA_SERVICE_ENDPOINT_MODE was set to IPv6.
    • Contributed by: @jtuglu1

Amazon Bedrock AgentCore Control

• Features

  • Fix HarnessEndpointArn pattern to match the actual service-emitted ARN format ('harness-endpoint' instead of 'endpoint'). Add additionalParams to Gemini model configuration for passing provider-specific parameters through to the model unchanged.

Amazon HealthLake

• Features

  • AWS HealthLake now offers data transformation in Preview to convert CSV and C-CDA data to FHIR R4. Customers can maintain reusable mapping profiles, run sync or async jobs with provenance tracking and drift detection, and use an AI agent to build and edit mapping logic from natural language.

Amazon Relational Database Service

• Features

  • Adds support for modifying EngineLifecycleSupport on DB instances and DB clusters through ModifyDBInstance and ModifyDBCluster.

Elastic Load Balancing

• Features

  • This release adds support for the IpAddressType field on SourceIpConfig, enabling Network Load Balancer listener rules to match traffic based on whether the source IP is IPv4 or IPv6.

Payment Cryptography Data Plane

• Features

  • Adds support for UnionPay session key derivation to the GenerateAuthRequestCryptogram, VerifyAuthRequestCryptogram, GenerateMac, and VerifyMac APIs.

S3 Event Notification

• Features

  • Added awsGeneratedTags field to S3Bucket in the S3 Event Notifications module. Amazon S3 emits AWS-generated system tags on the bucket portion of event notifications when system tags are enabled on the source bucket. SDK consumers on the SNS/SQS/Lambda delivery paths can now access these tags via S3Bucket#getAwsGeneratedTags().

Contributors

Special thanks to the following contributors to this release:

@jtuglu1

AWS SDK for Java v2 2.48.0

2.48.0 2026-07-14

AWS Cloud Map

• Features

  • Fixed Cloud Map endpoint resolution to correctly route to the dualstack endpoint when dualstack is enabled.

AWS Lambda

• Features

  • AWS Lambda now returns a new DependencyError value in StateReasonCode and LastUpdateStatusReasonCode to provide more actionable information when a function reaches a failed state due to an error from an upstream dependency or service.

AWS SecurityHub

• Features

  • AWS Security Hub now provides an AI inventory, giving central security teams a continuously updated, organization-wide view of AI assets and their security posture

Amazon Connect Service

• Features

  • This release adds SearchRules API which can be used to search for rules within an Amazon Connect instance.

Amazon EMR Containers

• Features

  • Introduced 5 new fields across 3 APIs as part of Spark Connect server launch for EMR on EKS. The fields added are sessionIdleTimeoutInMinutes, sessionEnabled, endpointToken, authProxyUrl and encryptionKeyArn.

Amazon S3

• Features

  • Add presigned URL download support to S3AsyncClient and S3 Transfer Manager. Customers can now download S3 objects using pre-signed URLs through the SDK's async client pipeline without needing AWS credentials configured.

• Bugfixes

  • Fix bug where S3 PutObject would hang indefinitely when using AwsCrtAsyncHttpClient with chunkedEncodingEnabled(false)

Amazon Simple Systems Manager (SSM)

• Features

  • Update AWS Systems Manager Automation Targets to be correct max value.

AmazonMQ

• Features

  • This release adds storage size parameter for Amazon MQ for RabbitMQ cluster deployment broker on engine version RabbitMQ 4.2. You can now set a configurable storage size within a range of sizes dependent on broker instance size.

Elastic Disaster Recovery Service

• Features

  • Fast recovery of EC2 based drs workloads by skipping the conversion step

AWS SDK for Java v2 2.47.6

2.47.6 2026-07-13

AWS Common Runtime HTTP Client

• Features

  • Added tlsNegotiationTimeout(Duration) configuration to AwsCrtAsyncHttpClient and AwsCrtHttpClient builders, mirroring the option on the Netty client. Configures the maximum amount of time a TLS handshake may take, from CLIENT HELLO through key exchange. Defaults to 10 seconds, matching the underlying CRT runtime's native default.

AWS Lambda

• Features

  • Add Java 8, 11 and 17 on AL2023 (java8.al2023, java11.al2023, java17.al2023) support to AWS Lambda.

AWS SDK for Java v2

• Features

  • Updated endpoint and partition metadata.

Amazon Elasticsearch Service

• Features

  • Adds support for the EngineMode and UseCase parameters on Amazon Elasticsearch Service domains, enabling GENERAL or OPTIMIZED engine modes and SEARCH, VECTOR, OBSERVABILITY, or MIXED usecases when creating and updating domain configurations.

Amazon GameLift

• Features

  • Amazon GameLift Servers now includes fleet expiration for managed fleets. A managed fleet expires one year after creation, transitioning to EXPIRED status, emitting a FLEET EXPIRED event, and scaling to zero instances. Expired fleets cannot host new game sessions or increase capacity.

Amazon GuardDuty

• Features

  • GuardDuty AI Protection is now publicly available. Findings include Bedrock guardrail details, model details, observation numbers, and continuous scan details. GuardrailArn and GuardrailVersion are deprecated in favor of the guardrails list.

Redshift Serverless

• Features

  • Add support for preserving datasharing, zero-ETL and S3 event integrations on snapshot restore to serverless namespace.

AWS SDK for Java v2 2.47.5

2.47.5 2026-07-10

AWS Lambda

• Features

  • Added TelemetryConfig support for Managed Instances Capacity Provider, enabling customers to configure system log level and custom log group for managed instance logging.

AWS License Manager

• Features

  • Added the ResetUsage field to the CreateLicenseVersion API. When set to true, the entitlement usage counts for the license are reset to 0. If it is false or not specified, entitlement usage is left unchanged.

AWS SDK for Java v2

• Features

  • Updated endpoint and partition metadata.

Amazon CloudWatch

• Features

  • CloudWatch now assigns a unique identifier to each anomaly detector. PutAnomalyDetector and DescribeAnomalyDetectors return this AnomalyDetectorId, which you can use to describe or delete a specific anomaly detector directly.

Amazon Elastic Compute Cloud

• Features

  • New Amazon EC2 instances. M9g, M9gd, C9g, and C9gd on AWS Graviton5. C8in, M8in, and R8in add 600 Gbps network. C8ib, M8ib, and R8ib add 300 Gbps EBS. C8ine, M8ine, M8idn, R8idn, M8idb, and R8idb round out Intel Xeon 6. Mac-m3ultra with Apple M3 Ultra. G7 with NVIDIA RTX PRO 4500 Blackwell GPUs.

Amazon QuickSight

• Features

  • Provides CreateKnowledgeBase and UpdateKnowledgeBase APIs

Amazon SageMaker Service

• Features

  • Release support for g4d, c6g, c7g, c8g instance types for SageMaker HyperPod

Apache HTTP Client 5

• Features

  • Upgrade httpcomponents.client5 to 5.6.2 to address CVE-2026-54428

Inspector2

• Features

  • Support for 3 day and 7 day ECR re-scan durations

AWS SDK for Java v2 2.47.4

2.47.4 2026-07-09

Amazon Connect Service

• Features

  • Amazon Connect - Added DeleteContactData API to support PII deletion of customer endpoint, additional email recipients and email subject.

Amazon Elastic Compute Cloud

• Features

  • Added support for additional override parameters in CreateFleet, including LaunchTemplateSpecificationUserData, KeyName, IamInstanceProfile, and MetadataOptions. The CreateFleet response now also includes SubnetId, AvailabilityZone, and AvailabilityZoneId for launched instances.

Amazon GuardDuty

• Features

  • Adding "AI Analyst" enum value for detector

Amazon Interactive Video Service

• Features

  • adds support for AWS IVS ad configuration APIs to allow for a postRollConfiguration object on the ad configuration resource

Synthetics

• Features

  • CloudWatch Synthetics adds support for customer managed KMS keys for canary environment variables. Customers can now encrypt their canary's Lambda function environment variables at rest using their own AWS KMS key, providing additional control over data protection.