Ronnie Geraghty presents the October 2025 Azure SDK release highlights, detailing new and updated libraries for AI, search, and identity scenarios to help developers build and manage Azure-powered solutions.

Azure SDK Release Highlights – October 2025

By Ronnie Geraghty

Stay up to date with the latest Azure SDK releases and improvements rolled out in October 2025. This summary covers key updates in AI, search, identity, and resource management across multiple programming languages, providing developers robust tools to enhance their solutions.

Release Highlights

Azure AI Foundry 1.0.0 for .NET

  • First stable release of Azure AI Foundry library for .NET
  • Enables developers to:
    • Create and run AI Agents
    • Manage AI model deployments
    • Handle connections to Azure resources
    • Upload documents and create datasets
    • Manage search indexes
  • Notable improvements:
    • Consistent AIProject prefix for key models (AIProjectDeployment, AIProjectConnection, AIProjectIndex)
    • Simplified client access and new CreateOrUpdate methods for index management
    • Uses v1 AI Foundry data plane REST APIs and integrates secure authentication with Microsoft Entra ID

Azure AI Search for JavaScript (12.2.0) and Python (11.6.0)

  • Adds support for the 2025-09-01 service version
  • New features:
    • Vector queries against sub-fields of complex fields
    • Reranker boosted scores and expanded sorting options
    • Improved vector compression configs
    • LexicalNormalizers for better text analysis
    • New DocumentIntelligenceLayoutSkill for richer skillsets
    • OneLake data source connections for indexers
    • For Python: QueryDebugMode for debugging vector search

Azure Identity Libraries – Performance Improvements

  • Managed identity scenarios optimized for these languages:
    • C++ (1.13.2), Go (1.13.0), Java (1.18.1), JavaScript (4.13.0), Python (1.25.1)
  • Skips IMDS endpoint probe when AZURE_TOKEN_CREDENTIALS is set to ManagedIdentityCredential, using direct token acquisition with robust retry logic and exponential backoff

Initial Stable Releases

  • .NET: AI Foundry 1.0.0, AI VoiceLive 1.0.0
  • Java, Go, JavaScript, Python: Multiple new management libraries, notably for Data Migration, Site Manager, Storage Discovery, and Durable Task

Beta Releases

  • .NET, Go, Java: Beta versions of resource management libraries for Disconnected Operations and Compute.Recommender

Where to Learn More

For more details on package updates, enhancements, and code samples, visit the release notes for your preferred programming language.

This post appeared first on “Microsoft Azure SDK Blog”. Read the entire article here