AZ442638 - Generally Available: Azure Cosmos DB JavaScript SDK 4.0

Azure Updates

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Published

May 27, 2025

Status

Launched

Timeline

  • May 2025
    General Availability

Product

Azure Cosmos DB

Tag

Features
Microsoft Build

Category

Databases
Internet of Things

Description

The Azure Cosmos DB JavaScript SDK 4.0 is now generally available. This major update brings a range of enhancements to help you build more efficient and scalable applications, whether you're working with large datasets, securing sensitive information, or building smart search functionalities. 

 

Key improvements include enhanced diagnostic logging for better performance tracking, an improved bulk API for faster data operations, and a more flexible query design for efficient scaling. The SDK also introduces client-side encryption to support data security, as well as AI-driven features, including vector search and full-text search to enable advanced search capabilities. 

 

These updates make the Azure Cosmos DB JavaScript SDK 4.0 a powerful tool for building high-performance applications.