January 29th, 2026
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Azure SDK Release (January 2026)

Ronnie Geraghty
Product Manager

Thank you for your interest in the new Azure SDKs! We release new features, improvements, and bug fixes every month. Subscribe to our Azure SDK Blog RSS Feed to get notified when a new release is available.

You can find links to packages, code, and docs on our Azure SDK Releases page.

Release highlights

AI Foundry 1.2.0-beta.1 for .NET

This major update brings feature support for Microsoft Foundry Agents Service, integration with the new Azure.AI.Projects.OpenAI package, expanded evaluation capabilities, insights, red teaming, schedules, and more. It’s a significant expansion of AI capabilities for .NET developers working with Azure AI services.

Azure AI Search 11.8.0-beta.1 for .NET

This release adds support for the 2025-11-01-preview service version with many new features including multiple facet aggregation types (avg, min, max, cardinality), new knowledge source types (web, remoteSharePoint, indexedSharePoint, indexedOneLake), and support for new Azure OpenAI models (gpt-5, gpt-5-mini, gpt-5-nano). Note that this release includes breaking changes where Knowledge Agent has been renamed to Knowledge Base across all APIs and models.

Functions Extension for WebPubSub for SocketIO 1.0.0 for .NET

The stable release of the Azure Functions extension for Web PubSub for SocketIO has shipped. This library enables developers to build real-time, bidirectional communication applications using the familiar Socket.IO programming model with Azure Web PubSub as the backend.

Initial stable releases

Initial beta releases

Release notes

Category
Azure SDK

Author

Ronnie Geraghty
Product Manager

Product Manager for the Azure SDK covering C/C++, Rust, Event Grid, Event Hubs, Schema Registry and Service Bus.

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