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MCP Beyond the Chat Window: Build Diagnostics in CI
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.
Read moreClick to read more about this postNot all model upgrades are upgrades
A new model drops with lower per-token pricing and better benchmarks. You switch. A week later someone asks why the agent is burning 12x more tokens on the same task while producing worse output.
We ran 150 agent tasks across 15 scenarios on two models, Claude Sonnet 4.6 and Claude...
Read moreClick to read more about this postLatest posts
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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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