AWS Batch now exposes array size as a container environment variable of an array child job. With this feature, customers can use array size in the logic of their applications (e.g. to divide data between jobs for parallel processing).

AWS CloudFormation StackSets announces a new capability ConcurrencyMode that provides customers a faster deployment experience while balancing deployment safety. Customers control speed and safety of their stack set deployments with concurrency and failure tolerance. Customers define these parameters along with ConcurrencyMode as a part of their StackSetOperationPreferences prior to running a stack set operation. StackSetsOperationPreferences is available with the following six APIs: create-stack-instances , delete-stack-instances , detect-stack-set-drift , import-stacks-to-stack-set , update-stack-set and update-stack-instances . With the ConcurrencyMode parameter, customers can modify existing deployment behavior of stack set operations for faster deployments that decouples concurrency from failure tolerance.

Amazon EKS Anywhere Enterprise Subscriptions can now be purchased through the Amazon EKS console, APIs, and AWS CLI. You can purchase Amazon EKS Anywhere Enterprise Subscriptions for 24/7 support from AWS subject matter experts and access to Amazon EKS Anywhere Curated Packages . Amazon EKS Anywhere is an AWS-supported Kubernetes offering with automation tooling to simplify running Kubernetes in on-premises and edge environments.

Amazon Elastic Block Store (EBS) now supports Block Public Access for EBS Snapshots, an account-wide security setting that allows customers to block public sharing of EBS Snapshots in an AWS Region. Customers managing EBS Snapshots at scale now have a simple and proactive way of safeguarding their data from inadvertent access by unauthorized users.

Amazon Relational Database Service (Amazon RDS) Optimized Writes now supports M5 database (DB) instances. With Amazon RDS Optimized Writes you can improve the write throughput for Amazon RDS for MySQL and MariaDB workloads by up to 2x at no additional cost. This is especially useful for write-intensive database workloads, commonly found in applications such as digital payments, financial trading, and online gaming.

Customers can now create Amazon FSx for OpenZFS Multi-AZ file systems in seven additional AWS Regions: Europe (Frankfurt), Asia Pacific (Sydney), Europe (London), Europe (Stockholm), Asia Pacific (Seoul), Asia Pacific (Mumbai), and Asia Pacific (Hong Kong). Customers can also now create Amazon FSx for OpenZFS Single-AZ 2 file systems in two additional AWS Regions: Europe (Frankfurt) and Asia Pacific (Sydney).

Customers can now create Amazon FSx for OpenZFS file systems in ten new AWS Regions: Middle East (Bahrain), Asia Pacific (Osaka), Europe (Milan), Europe (Paris), South America (São Paulo), Israel (Tel Aviv), Africa (Cape Town), Asia Pacific (Hyderabad), Asia Pacific (Jakarta), and Middle East (UAE).

Amazon RDS Proxy, a fully managed, highly available database proxy for Amazon Relational Database Service (RDS), now supports RDS Multi-AZ deployments with two readable standbys . Amazon RDS Proxy allows applications to pool and share connections established with the database, improving database efficiency and application scalability.

Amazon Comprehend announced new features to help organizations enhance trust and safety for text-based content. Amazon Comprehend is a natural language processing (NLP) service that provides pre-trained and custom APIs to derive insights from text. With the new Toxicity Detection and Prompt Safety Classification features, customers can now apply guardrails to moderate user and machine generated content.

Today, Amazon Simple Queue Service (SQS) announces support for JSON protocol, enabling lower latency and improved performance for SQS customers. Based on AWS performance tests for a 5KB message payload, JSON protocol for Amazon Simple Queue Service reduces end-to-end message processing latency by up to 23% and reduces application client side CPU and memory usage. Amazon SQS is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications.