2.42.19 2026-03-23

AWS Batch

• Features

  • AWS Batch AMI Visibility feature support. Adds read-only batchImageStatus to Ec2Configuration to provide visibility on the status of Batch-vended AMIs used by Compute Environments.

Amazon Connect Cases

• Features

  • You can now use the UpdateRelatedItem API to update the content of comments and custom related items associated with a case.

Amazon Lightsail

• Features

  • Add support for tagging of ContactMethod resource type

Amazon Omics

• Features

  • Adds support for batch workflow runs in Amazon Omics, enabling users to submit, manage, and monitor multiple runs as a single batch. Includes APIs to create, cancel, and delete batches, track submission statuses and counts, list runs within a batch, and configure default settings.

Amazon S3

• Features

  • Added support of Request-level credentials override in DefaultS3CrtAsyncClient. See #5354.

Netty NIO HTTP Client

• Bugfixes

  • Fixed an issue where requests with Expect: 100-continue over TLS could hang indefinitely when no response is received, because the read timeout handler was prematurely removed by TLS handshake data.