The Cosmos DB team has been busy and provided a whole bunch of new features:

Data Explorer Features

• Save & Reuse Queries
• Query Statistics now Available in the portal
• New Contextual Command Bar Experience
• AAD Integration in Cosmos Explorer (Standalone Version)

Native Support for Apache Spark

• Enable Apache Spark in the same compute environment as your Cosmos DB, allowing use of the native Apache Spark Connector
• Works for all APIP’s
• Jupyter Notebooks experience in Cosmos Data Explorer
• Feature is in preview and must be signed up for

Native Etcd API

• Allows backend database of Kubernetes to be stored in Cosmos DB
• No longer have to manage Etcd yourself in your cluster, instead have it managed for you in Cosmos DB
• Global Distribution
• High Availability
• Flexible Master Node Scaling decoupling Kubernetes scaling from the Master Nodes
• Signup for the preview of this feature at https://aka.ms/cosmosetcdapi-signup/

Management Experience 

• ARM Support for account, database, container for all APIs
• Samples available at https://docs.microsoft.com/en-us/azure/cosmos-db/resource-manager-samples

PowerShell Support

• PDirect to Resource Provider, no cmdlets yet
• Samples available at https://docs.microsoft.com/en-us/azure/cosmos-db/powershell-samples

Cosmos DB Operator Role

• Enables CI / CD deploy
• Cannot access keys or data

SQL API Query Updates

• Multi-Value subqueries
  • Returns single value from multiple documents
• Scalar subqueries
  • Returns only one value