We've recently released updates to the JavaScript SDK for Azure Cosmos DB to provide performance, stability, and feature improvements.
As a result, we'll be retiring and no longer supporting version 1.x of the JavaScript SDK on August 30, 2020. After that date, you’ll no longer be able to use it to access Azure Cosmos DB.
Required action
To continue using the JavaScript SDK for Azure Cosmos DB, update to version 2.x or 3.x by August 30, 2020.