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Ask Mode vs Agent Mode - Choosing the Right Copilot Experience for .NET
GitHub Copilot Chat offers two powerful modes, Ask Mode and Agent Mode, that can dramatically accelerate your development. Learn when to use each mode to get the most out of this tool.
Read moreBuild Smarter with the Microsoft 365 Agents Toolkit MCP Server
As AI agents become central to how we build and interact with modern productivity apps, developers need tools that are flexible, standard-based, and deeply integrated with AI. That’s where the Microsoft 365 Agents Toolkit MCP Server comes in.
This is a local Model Context...
Read moreAzure Developer CLI: From Dev to Prod with One Click
This post walks through how to implement a "build once, deploy everywhere" pattern using Azure Developer CLI (azd) that provisions environment-specific infrastructure and promotes applications from dev to prod with the same build artifacts. You'll learn how to use conditional Bicep...
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May 19, 2025
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Elevating Azure Cosmos DB Resilience with Per Partition Automatic Failover
Announcing Per Partition Automatic Failover for Azure Cosmos DB
Today, we’re excited to announce the preview of Per Partition Automatic Failover (PPAF) for Azure Cosmos DB, a significant improvement to our single-region write accounts that boosts availability and resilience. If you...
Azure Cosmos DB Blog
May 19, 2025
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Unlock developer potential with Microsoft Dev Box
AI agents, model context protocols (MCPs), and emerging AI workflows are fundamentally transforming software development paradigms and broadening the range of applications we can create. Developers are expected to keep up with the pace of innovation, but that’s hard to do when working...
Develop from the cloud
May 19, 2025
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Announcing Developer Essentials for Agents and Apps in Azure AI Foundry
Learn about the latest release of Azure AI Foundry, including new models, agent service GA, unified developer tools, and productivity enhancements for building, deploying, and managing AI agents and apps at scale.
Azure AI Foundry Blog
May 19, 2025
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Announcing Public Preview of the GitHub Copilot app modernization for Java
Modernizing Java applications and migrating to the cloud is often a complex, time-consuming, and fragmented process. GitHub Copilot app modernization for Java is a powerful solution designed to simplify and accelerate your journey to the cloud.
Available now in Public Preview as a single...
Microsoft for Java Developers
May 19, 2025
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Azure AI Foundry Connection for Azure Cosmos DB and BYO Thread Storage in Azure AI Agent Service
We’re announcing new integrations between Azure Cosmos DB and the Azure AI ecosystem: the Azure AI Foundry Connection for Azure Cosmos DB and bring-your-own thread storage in Azure AI Agent Service. These capabilities make it easier for developers to build enterprise-ready agentic...
Azure Cosmos DB Blog
May 19, 2025
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Secret passages on Microsoft main campus, episode 3
Another covered passage between buildings.
The Old New Thing
May 19, 2025
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VS Code: Open Source AI Editor
We will open source the GitHub Copilot Chat extension. It’s the next step towards making VS Code an open source AI editor.
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VS Code Blog
May 16, 2025
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How to Watch Microsoft Build 2025 Online
Microsoft Build 2025 Is Here! — How to Make the Most of It Virtually
It’s that time again—Microsoft Build has started! Microsoft Build 2025 runs this week (May 19–22)—and now’s the perfect time to catch the sessions live or watch past sessions on-demand.
This year, Build...
Visual Studio Blog
May 16, 2025
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What's with the weird wReserved value at the start of the DECIMAL structure?
It's where the discriminant goes when the
DECIMAL is put "inside" a VARIANT.The Old New Thing