You can now use Amazon Route 53 Resolver endpoints for hybrid cloud configurations in the South America (São Paulo) and Middle East (Bahrain) Regions.  

AWS Systems Manager now provides more operations data for AWS Resource Groups. You can now monitor your operational health, track resource configuration changes, track operational issues, and audit account activity for your resource groups, all from the Systems Manager console.  

You can now centrally discover, plan, and track your migrations into any commercial AWS region from the Migration Hub in the Asia Pacific (Sydney) Region.

AWS Resource Groups now supports AWS CloudFormation, allowing customers to create resource groups and organize resources with CloudFormation stack templates. AWS Resource Groups makes it easier to manage and automate tasks on large numbers of AWS resources at one time. Customers can organize resources by applications, projects, or stages like development, staging, and production.

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Customers can now receive Savings Plan recommendations at the member (linked) account level in addition to the existing AWS organization-level recommendations in AWS Cost Explorer.

Amazon QuickSight now supports adding images to dashboards through the Insights editor. With this ability, you can now insert images, logos hosted and accessible via public URL (or intranet URL) to be rendered in within the insights narrative. These images can be resized as needed, conditionally show the image when placed within the IF block, and also hyperlink the image to a dynamic URL. See here for details.

You can now retrieve more metric data from Amazon CloudWatch, faster. The quota for the bulk metric retrieval service GetMetricData has increased from 100 to 500 metrics per request. Additionally, the datapoints per second (DPS) quota for retrieving data more than 3 hours old has been increased from 90,000 to 396,000.

AWS Site-to-Site Virtual Private Network (AWS Site-to-Site VPN) now supports digital certificates for Internet Key Exchange (IKE) authentication for VPN connections to an AWS Transit Gateway. This enables you to take advantage of the added security and flexibility that digital certificates offer, for all Site-to-Site VPN connections.  

You can now use Amazon CloudWatch cross-account cross-region dashboards in AWS GovCloud (US) Regions. Cross-account cross-region dashboards enable you to create high level operational dashboards, with one click drill downs into more specific dashboards in different AWS accounts, without having to log in and out of different accounts or switch AWS Regions. The ability to visualize, aggregate, and summarize performance and operational data across accounts and Regions helps reduce mean time to resolution.

Amazon CloudWatch now supports AWS PrivateLink in the AWS GovCloud (US) Regions. This allows you to privately connect to CloudWatch Metrics and Logs, securely on the AWS network. AWS PrivateLink allows you to privately access services hosted on AWS in a highly available and scalable manner, without using public IPs and without requiring the traffic to traverse the internet.