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

Rahul Bhandari (MSFT)
.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

Matthew Leibowitz
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

Zachary Teutsch
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

Craig Loewen
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

Mads Kristensen
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

Raymond Chen
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

Wes Steyn
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

SharePoint team
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

Theo van Kraay
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