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Highlights
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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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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Mailbox requirement set 1.16 now available for Outlook add-ins
Mailbox requirement set 1.16 is now generally available for Outlook add-ins. This release reflects our continued investment in closing the gap between COM/VSTO and web add-ins, with a focus on message and information security.
Mailbox 1.16 introduces APIs and platform updates that...
Microsoft 365 Developer Blog
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