Amazon Elasticsearch Service now offers k-Nearest Neighbor (k-NN) search which can enhance search by similarity use cases like product recommendations, fraud detection, and image, video and semantic document retrieval. Built using the lightweight and efficient Non-Metric Space Library (NMSLIB), k-NN enables high scale, low latency nearest neighbor search on billions of documents across thousands of dimensions with the same ease as running any regular Elasticsearch query.  

Amazon SQS is now available through VPC endpoints in the Middle East (Bahrain) region, allowing you to access Amazon SQS within your Amazon Virtual Private Cloud (Amazon VPC) without traversing the internet.

Amazon Aurora with PostgreSQL compatibility now supports external authentication of database users using Kerberos and Microsoft Active Directory.

AWS Config launched advanced query last year, which makes it easy to query the resource configuration properties of your AWS resources for audit, compliance, or operational troubleshooting using simple SQL-like queries. With today’s launch, you can now use advanced query with configuration aggregators , enabling you to run the same queries across accounts and Regions. This provides you an easy mechanism to query your entire AWS footprint from a central account and get relevant information about your resources. For example, using this query capability, you can retrieve a list of Amazon Elastic Compute Cloud (Amazon EC2) instances of a particular size, Amazon Elastic Block Store (Amazon EBS) volumes that are not attached to an Amazon EC2 instance, or resources that have encryption disabled. This capability works across accounts, Regions, and organizations in AWS Organizations. 

AWS Identity and Access Management (IAM) has added support for aws:CalledVia, a new condition key, for use with all services that make requests using your credentials. With this release, Amazon Athena has added support for the CalledVia key. 

AWS Control Tower now supports single-step account provisioning through the Control Tower console. This feature allows master account administrators to provision new accounts from within the Control Tower console.  

Tracking patients health status is imperative for a healthcare provider. Being able to place this information on a longitudinal timeline is also vital for other healthcare aspects such as research, medical coding and claims adjudication , population health, and pharmacovigilance to name a few.

AWS now supports China based customers, who use services in US commercial regions, to pay their invoices from Amazon Web Services, Inc. (“AWS Inc.”) in Chinese Yuan through Bank Redirect payment method .

Starting today, you can now use Node.js 12.x and Python 3.8 to develop functions in Lambda@Edge. Both these runtimes come in addition to the currently supported Node.js 10.x and Python 3.7.

Amazon FSx, a fully managed service that makes it easy for you to launch and run feature-rich and highly performant file systems with just a few clicks, now enables you to create and use file systems in Shared Amazon Virtual Private Clouds (VPCs). This feature is available on both FSx for Windows File Server and FSx for Lustre.