2.54.5 2026-08-26

AWS CRT Async HTTP Client

• Bugfixes

  • Fixed an issue where an error signaled by a request body publisher was printed to stderr on a CRT event loop thread instead of failing the request with the original error.

AWS CRT HTTP Client

• Bugfixes

  • Fixed an issue where an error thrown while reading the request body stream was printed to stderr on a CRT event loop thread instead of failing the request with the original error. See #6715.

AWS CRT-based S3 Client

• Bugfixes

  • Fixed an issue where an error signaled by a request body publisher (for example via AsyncRequestBody.fromPublisher) was printed to stderr on a CRT event loop thread instead of failing the operation; the operation's future now completes with the original publisher error. See #6715.

AWS DevOps Agent Service

• Features

  • AWS DevOps Agent now supports trigger filter groups for Release Readiness Review, letting you control when the capability auto-triggers based on webhook events and target branches.

AWS License Manager User Subscriptions

• Features

  • Released support for License Expiry field in ListProductSubscriptions API

AWS Network Firewall

• Features

  • Adding new status enum for Firewalls.

Amazon Elastic Compute Cloud

• Features

  • Adds deleting state to possible VPC States.

Amazon SageMaker Service

• Features

  • Amazon SageMaker AI now supports ml.g7 instances for model optimization. You can now run model optimization jobs on ml.g7 instances, in supported AWS Regions.