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Build your own claw and agent harness with Microsoft Agent Framework
What does it take to build your own "claw" - a capable, CLI-style agent that can plan, use tools, remember things, and safely act on your behalf? Coding agents and assistants like these can feel like magic, but underneath they are an agent harness: a loop around a language model wired up...
Read moreClick to read more about this postIn memory of the man who put red and green squiggles under words
Starting in Word and expanding to nearly every other word processor, and even things that aren't word processors.
Read moreClick to read more about this postStop overloading your skills
You built a skill for your technology. API references, authentication flows, SDK patterns, error handling, version info, all packed into one skill. The agent calls it, gets all that context, and generates code. The kicker? You've just wasted a lot of tokens.
It already knows
Models have...
Read moreClick to read more about this postLatest posts

Jul 1, 2026
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Visual Studio Code 1.127

Learn what's new in Visual Studio Code 1.127 (Insiders)
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VS Code Blog

Jul 1, 2026
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Audit Frontier AI Agents with SQL MCP Server

With On-Behalf-Of authentication, SQL MCP Server lets agents access Microsoft SQL without losing the user identity behind the request. Azure SQL can audit the signed-in user who invoked the operation, not just the agent, app, or MCP server that carried it out.
Azure SQL Dev Corner

Jul 1, 2026
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What AI benchmarks are not telling you

This is the sixth article in a series about Agent Experience (AX): the practice of making AI coding agents work correctly with your technology. The series covers what you can and can't control in the agent stack, how to measure whether your extensions are helping or hurting, and how to...
Microsoft for Developers

Jul 1, 2026
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It rather involved being on the other side of this airtight hatchway: Changing administrative settings

Unlocking the door from the inside.
The Old New Thing

Jul 1, 2026
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What’s new across Microsoft SQL in 2026 so far (SQL Server, Azure SQL, and SQL database in Fabric)

We’re halfway through 2026, and Microsoft SQL has not slowed down. Since SQLCon/FabCon in March (where we released a ton of things, and those updates can be found in this udpates video), we shipped a wave of updates across SQL Server, Azure SQL, and SQL database in Fabric, with...
Azure SQL Dev Corner

Jun 30, 2026
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Access GitHub Copilot in JetBrains - GitHub Copilot Is Now a Native Agent in JetBrains AI Assistant
Hang,
Antonio,
Jun
GitHub Copilot is now a first-class, native option in JetBrains AI Assistant agent picker(read more). You can select it directly from the chat interface, no extra configuration needed, and immediately put Copilot to work on real coding tasks without ever leaving AI...
Microsoft for Java Developers

Jun 30, 2026
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SharePoint Framework (SPFx) roadmap update – July 2026

June celebrates the announcement of upcoming SharePoint Copilot Apps, ships the quality-focused SPFx 1.23.2 release, and shares the roadmap for the AI era - shaped by your feedback.
Microsoft 365 Developer Blog

Jun 30, 2026
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Compose your API surface with Data API builder custom paths

Data API builder (DAB) 2.0 adds compound paths for REST endpoints, giving developers more control over how their API surface is organized. Instead of mirroring database topology, endpoints can now reflect simple names, business areas, or schema ownership.
Azure SQL Dev Corner

Jun 30, 2026
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MCP Beyond the Chat Window: Build Diagnostics in CI
Jan,
Yuliia
A practical tour of the Model Context Protocol tools for .NET build diagnostics - the full Binlog MCP toolset, how those tools run inside a GitHub Actions workflow, and what the evaluation data says about the efficiency gains.
.NET Blog

Jun 30, 2026
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Visual Studio June Update - Track Your Usage, Trust Your Tools

The June update includes a Copilot Usage window refresh with proactive alerts as you approach your limits, MCP servers now get a trust check before they run anything new.
Visual Studio Blog

Jun 30, 2026
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MSIX Per-User vs All Users: Install, Provision, and Uninstall Packages
MSIX supports making a package available to all users; the formal term is provisioning. Provisioning a package family makes it available to all users, whereas registration makes a package available to a single user.
Per-User vs All Users
Traditional installers often provide a...
Inside MSIX

Jun 30, 2026
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2026 mid-year link clearance

Made it to another midpoint.
The Old New Thing

Jun 30, 2026
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A compatibility note on the abuse of Windows window class extra bytes

Finding an illicit place to hide data.
The Old New Thing

Jun 30, 2026
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🚀React Native Windows v0.84 is here!!
Vineeth,
Vivek,
Sourav
We're excited to release React Native Windows 0.84.0, aligned with React Native 0.84.1. React Native Windows v0.84 delivers input-handling improvements such as standard click events and imperative focus, theme-aware defaults and robust hit-testing semantics.
🔥 What's New in RNW...
React Native

Jun 29, 2026
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.NET 8 and .NET 9 will reach End of Support on November 10, 2026

.NET 8 and .NET 9 will both reach end of support on November 10, 2026. Learn what this means and how to upgrade to .NET 10 (LTS).
.NET Blog

Jun 29, 2026
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SkiaSharp 4.0 is here: announcing the first stable release
SkiaSharp 4.148.0 is the first stable release of SkiaSharp v4. Learn what is new, why you should be excited, and join the SkiaSharp live event on June 30.
.NET Blog
Jun 29, 2026
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Packaging and Package Identity for .NET apps with WinApp CLI on Windows

Use the WinApp CLI to add identity to and package .NET desktop applications, enabling deeper integration to Windows and easier distribution.
.NET Blog
Jun 29, 2026
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WSL container is now available for public preview

At Microsoft Build 2026, we introduced WSL containers, bringing Linux container development directly into Windows through the Windows Subsystem for Linux (WSL). Containers have become a foundational part of modern development - from cloud-native applications and AI workloads to testing...
Windows Command Line

Jun 29, 2026
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Automating your Visual Studio extension builds with GitHub Actions

If you’re building and maintaining Visual Studio extensions, you’ve probably ended up with some sort of build and publishing workflow - whether it’s manual, scripted, or stitched together over time.
This post is for extension authors who want a simple, repeatable way to build,...
Visual Studio Blog

Jun 29, 2026
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The evolution of window and class extra bytes in Windows

The intended usage is encoded in the prefix.
The Old New Thing

Jun 29, 2026
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Agent Harness: Working with your data, safely
Part 2 of Build your own claw and agent harness with Microsoft Agent Framework.
In Part 1 we stood up a harness and gave our personal finance assistant its first abilities: a custom tool, web search, and planning. It can talk about the markets - but it can't yet touch your data, and...
Microsoft Agent Framework

Jun 29, 2026
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Remote Event Receivers are retiring: move to SharePoint webhooks before July 1, 2027
Remote Event Receivers in SharePoint Online are retiring. Starting July 1, 2027, all remote event receivers will stop firing events, including those registered using Microsoft Entra applications.
Microsoft 365 Developer Blog

Jun 29, 2026
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Spring AI 2.0 is GA: Vector Search, Memory, and Agents on Azure Cosmos DB

The wait is over. Spring AI 2.0 is generally available, and Azure Cosmos DB is right there with it. With this release, Spring AI graduates into a mature, production-ready framework for building AI applications in Java, and Azure Cosmos DB ships dedicated, vendor-maintained...
Azure Cosmos DB Blog

Jun 26, 2026
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Azure Developer CLI (azd) - May and June 2026

A combined May and June recap. A new azd tool command group, the cross-platform azd exec runner, safer multi-layer provisioning, an interactive Ctrl+C cancel prompt, Go support for Azure Functions, self-contained extension bundles, per-tenant subscription filters, and a long list of correctness fixes for parallel Container Apps deploys and authentication.
Azure SDK Blog

Jun 26, 2026
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The case of the DLL that was not present in memory despite not being formally unloaded, part 2

Tying two bugs together.
The Old New Thing

Jun 26, 2026
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Passing Context Between Agents in Multi-Agent A2A Systems
Olha,
Scott
How we solved the challenge of passing conversational context between independently deployed agents using the A2A protocol's embedded context pattern, keeping domain agents stateless and secure.
ISE Developer Blog

Jun 25, 2026
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Save the Date: Pure Virtual C++ 2026

Pure Virtual C++ is back for its 7th year! Join us on July 21 for a free, one-day virtual conference for the whole C++ community.
C++ Team Blog

Jun 25, 2026
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Your agent already has a plan

If an agent isn't doing the right thing, the obvious move is to make the docs clearer. Add a tip, spell out the correct command, describe the right approach more prominently. You do all of that, and the agent still ignores it. It does what it had already decided to do. The tip wasn't...
Microsoft for Developers

Jun 25, 2026
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Learn from Microsoft: Transform software development through an agentic platform

See how Microsoft is transforming software development with agentic workflows, AI-powered automation, and specialized agents across the engineering lifecycle.
Microsoft for Developers

Jun 25, 2026
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The case of the DLL that was not present in memory despite not being formally unloaded, part 1

Figuring out how it went missing.
The Old New Thing

Jun 25, 2026
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Which Azure Cosmos DB Role Does My App Need?
Sudhanshu,
Iria
In the previous post in the series, we covered the security decisions you make on day one. In this part, we will talk about how to give your app access to Cosmos DB data, using roles and a managed identity instead of keys.
The situation
You’ve built your app. It works locally. Now...
Azure Cosmos DB Blog

Jun 24, 2026
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Visual Studio Code 1.126

Learn what is new in Visual Studio Code 1.126
Read the full article
VS Code Blog

Jun 24, 2026
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Azure Functions MCP Extension: What's New at Build 2026

A roundup of what shipped in the Azure Functions MCP extension since preview: resource and prompt triggers, MCP Apps, built-in MCP authentication, structured and rich content, fluent .NET configuration APIs, and what is coming next.
Azure SDK Blog

Jun 24, 2026
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When the model has never seen your code

This is the fifth article in a series about Agent Experience (AX): the practice of making AI coding agents work correctly with your technology. The series covers what you can and can't control in the agent stack, how to measure whether your extensions are helping or hurting, and how to...
Microsoft for Developers

Jun 24, 2026
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Cancellation of Windows Runtime activities is asynchronous

You're asking for it to cancel, but it doesn't wait for confirmation.
The Old New Thing