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Highlights
.NET AI Essentials - The Core Building Blocks Explained
Learn how Microsoft.Extensions.AI provides a unified API for building intelligent .NET applications with any LLM provider - one interface, endless possibilities, with built-in middleware, telemetry, structured outputs and more.
Read moreClick to read more about this postBuild AI Agents with GitHub Copilot SDK and Microsoft Agent Framework
Microsoft Agent Framework now integrates with the GitHub Copilot SDK, enabling you to build AI agents powered by GitHub Copilot. This integration brings together the Agent Framework's consistent agent abstraction with GitHub Copilot's capabilities, including function calling, streaming...
Read moreClick to read more about this postLatest posts
Feb 2, 2026
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Java OpenJDK January 2026 Patch & Security Update
Hello Java customers!
We are happy to announce the latest January 2026 patch & security update release for the Microsoft Build of OpenJDK. Download and install the binaries today.
OpenJDK 25.0.2
OpenJDK 21.0.10
OpenJDK 17.0.18
OpenJDK 11.0.30
Check our release...
Microsoft for Java Developers
Feb 2, 2026
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Azure Cosmos DB Data Explorer now supports Dark Mode
If you spend time in the Azure Portal’s using Azure Cosmos DB Data Explorer, you know it’s a “lots of screens, lots of tabs, lots of work happening” kind of place. So I’m excited to share a small upgrade that makes a big difference: Dark Mode is now supported in Cosmos DB Data...
Azure Cosmos DB Blog
Feb 2, 2026
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Studying compiler error messages closely: Input file paths
Are you even compiling the correct file?
The Old New Thing
Jan 30, 2026
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Build AI Agents with Claude Agent SDK and Microsoft Agent Framework
Microsoft Agent Framework now integrates with the Claude Agent SDK, enabling you to build AI agents powered by Claude's full agentic capabilities. This integration brings together the Agent Framework's consistent agent abstraction with Claude's powerful features, including file editing,...
Semantic Kernel
Jan 30, 2026
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Why not store the SAFEARRAY reference count as a hidden allocation next to the SAFEARRAY?
The case of "Bring your own
SAFEARRAY."The Old New Thing
Jan 30, 2026
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Azure Developer CLI (azd) - January 2026: Configuration & Performance
This post announces the January 2026 release of the Azure Developer CLI (`azd`).
Azure SDK Blog
Jan 29, 2026
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Azure SDK Release (January 2026)
Azure SDK releases every month. In this post, you'll find this month's highlights and release notes.
Azure SDK Blog
Jan 29, 2026
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Azure Cosmos DB TV Recap - From Burger to Bots – Agentic Apps with Cosmos DB and LangChain.js | Ep. 111
Jay,
Mark
In Episode 111 of Azure Cosmos DB TV, host Mark Brown is joined by Yohan Lasorsa to explore how developers can build agent-powered applications using a fully serverless architecture. This episode focuses on a practical, end-to-end example that demonstrates how transactional application...
Azure Cosmos DB Blog
Jan 29, 2026
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How can I retain access to the data in a SAFEARRAY after my method returns?
Find a way to take ownership.
The Old New Thing