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So far, we have handled the case of a non-marshalable delegate by wrapping it in a delegate that fails with CO_E_NOT_SUPPORTED if used in a manne Link to article: https://devblogs.microsoft.com/oldnewthing/20260724-00/?p=112562
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Recently we introduced the Agent Memory Toolkit Link to article: https://devblogs.microsoft.com/cosmosdb/native-agent-memory-for-microsoft-agent-framework-powered-by-azure-cosmos-db
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The Microsoft 365 Copilot Agent’s Playbook: A Practical Livestream Series for Building Better Agents
Building on Microsoft 365 Copilot? Here's your playbook. Declarative agents are quickly becoming one of the most excit Link to article: https://devblogs.microsoft.com/blog/the-microsoft-365-copilot-agents-playbook-a-practical-livestream-series-for-building-better-agents
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Most multi-agent apps wire every flow in application code: the sequence of steps, branching, and handoffs between agents all live inside the program, making the orchestration harder to review, version, and change. Declarative workflows make that orchestration ex Link to article: …
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Big news: Azure SQL Developer is here, in private preview. It's the Azure SQL Databa Link to article: https://devblogs.microsoft.com/azure-sql/azure-sql-developer-prpr
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How the Spring Tools MCP Server and GitHub Copilot together make Spring Development more efficient. Link to article: https://devblogs.microsoft.com/java/smarter-spring-development-in-eclipse-with-github-copilot
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Learn what is new in Visual Studio Code 1.130 Read the full article Link to article: https://devblogs.microsoft.com/vscode-blog/visual-studio-code-1.130
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Learn what's new in Visual Studio Code 1.130 (Insiders) Read the full article Link to article: https://devblogs.microsoft.com/external-blogs/visual-studio-code-1-130-insiders
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Learn what's new in Visual Studio Code 1.131 (Insiders) Read the full article Link to article: https://devblogs.microsoft.com/vscode-blog/visual-studio-code-1.131-(insiders)
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That's a wrap on Pure Virtual C++ 2026! Link to article: https://devblogs.microsoft.com/cppblog/pure-virtual-c-2026-is-a-wrap
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How Toolboxes in Foundry simplify user delegation At some point, many agents move from answering questions to taking action. And when it does, the question becomes: whose identity is it acting with Link to article: https://devblogs.microsoft.com/foundry/building-agents-that-act-on-your-behalf-with-toolboxes-in-foundry
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Your agents can now be built on a stable, batteries-included harness - the loop, planning, memory, context management, approvals, and telemetry that turn a model into an agent that actually does things - in both Python and .NET. What is an agent harn Link to article: …
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If you’ve ever opened an ETL trace with hundreds of data tables and wondered “where do I even start?” This post is for you. We’re releasing an early preview of the ETW MCP, a Model Context Protocol server that lets GitHub Copilot, or any MCP-aware AI assistant, read, query, and reason over Event Tracing for Windows …
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We are releasing new patches for our self‑hosted product, Azure DevOps Server. We strongly recommend that all customers stay up to date with the latest, most secure version of Azure DevOps Server. The most recent release, Azure DevOps Link to article: …
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Package identity exists for one primary purpose: To provide software with a stable and unambiguous way to identify a package. This is a considerable improvement over the historical tendency to assign Link to article: https://devblogs.microsoft.com/insidemsix/msix-displayname-vs-package-identity
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Pure Virtual C++ 2026, our free, one-da Link to article: https://devblogs.microsoft.com/cppblog/pure-virtual-cpp-2026-is-now-live
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Last time, we had a straightforward function that makes an agile version of a Windows Runtime delegate. But there's more to it. In many cases, the delegate is already agil Link to article: https://devblogs.microsoft.com/oldnewthing/20260721-00/?p=112550
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You've built an eval. You've established a baseline and found the gaps. Now you have hypotheses about how to fix them: maybe a documentation rewrite, or a different CLI output format. The natural next step is to ship the change and measure again. Don't do that just yet. Link to article: …
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C++ dependency setup and maintenance still slows down many teams. In my Pure Virtual C++ 2026 session, I show a terminal-first workflow that ends with a working CLI app that formats and prints programming quotes, built with CMake and Microsoft C++ (MSVC) Build Tools. All of this is powered by GitHub Copilot CLI, which …
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