2.42.36 2026-04-17

AWS CRT HTTP Client

• Bugfixes

  • Java CRT 0.39.3 enables and prefers Post Quantum TLS (PQ TLS) by default when supported by the platform and service. The postQuantumTlsEnabled builder option in aws-sdk-java-v2 now becomes an opt-out mechanism; setting it to false explicitly disables PQ TLS.
    • Contributed by: @WillChilds-Klein

AWS Clean Rooms Service

• Features

  • This release adds support for configurable spark properties for Cleanrooms PySpark workloads.

AWS Ground Station

• Features

  • Adds support for updating contacts, listing antennas, and listing ground station reservations. New API operations - UpdateContact, ListContactVersions, DescribeContactVersion, ListAntennas, and ListGroundStationReservations.

AWS SDK for Java v2

• Features

  • Updated endpoint and partition metadata.

AWS SSO OIDC

• Bugfixes

  • Add defensive checks to ensure token cache file is created with user read only where possible and use atomic write/copy.

AWS Security Token Service

• Features

  • The STS client now supports configuring SigV4a through the auth scheme preference setting. SigV4a uses asymmetric cryptography, enabling customers using long-term IAM credentials to continue making STS API calls even when a region is isolated from the partition leader.

AWS Signin

• Bugfixes

  • Add defensive checks to ensure token cache file is writen with user read permissions only where possible.

Amazon Connect Service

• Features

  • Fixes in SDK for customers using TestCase APIs

Amazon Neptune

• Features

  • Improving Documentation for Neptune

Amazon QuickSight

• Features

  • Public release of dashboard customization summary, S3 Tables data source type, Athena cross-account connector, custom sorting for controls, and AI-powered analysis generation.

Amazon SageMaker Service

• Features

  • Adds support for providing NetworkInterface for efa enabled instances and Simplified cluster creation for Slurm-orchestrated clusters with optional Lifecycle Script (LCS) configuration.

AmazonConnectCampaignServiceV2

• Features

  • This release adds support for campaign entry limits configuration and hourly refresh frequency in Amazon Connect Outbound Campaigns.

EC2 Image Builder

• Features

  • ImportDiskImage API adds registerImageOptions for Secure Boot control and custom UEFI data. It adds windowsConfiguration for selecting a specific edition from multi-image .wim files during ISO import.

Contributors

Special thanks to the following contributors to this release:

@WillChilds-Klein