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Highlights
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 16, 2026
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Competing against yourself
You shipped a new CLI: better developer experience, modern architecture, and optimized for agents. You deprecated the old one, updated the docs, and blogged about it. Developers are migrating. Then someone asks an AI coding agent to scaffold a project, and the agent... uses the old...
Microsoft for Developers
Jun 16, 2026
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Retrofitting the WM_COPYDATA message onto Windows 3.1
It was carefully designed to be trivial.
The Old New Thing
Jun 16, 2026
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Announcing General Availability of the Azure Cosmos DB Built-in Connector for Logic Apps Standard
Today, we're excited to announce the general availability of the Azure Cosmos DB built-in connector for Azure Logic Apps Standard. This connector gives you a native, high-performance way to integrate Azure Cosmos DB into your Standard logic app workflows, with better throughput, lower...
Azure Cosmos DB Blog
Jun 15, 2026
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GitHub Copilot for JetBrains is moving to Copilot CLI as the default agent harness
Copilot CLI is becoming the default agent harness in GitHub Copilot for JetBrains, and our local harness will be deprecated.
This change provides greater consistency across all GitHub Copilot surfaces and is an important step toward faster feature parity and higher-quality results in...
Microsoft for Java Developers
Jun 15, 2026
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Make Visual Studio look the way you want
Themes are personal. Some of us live in dark mode, some swear by high contrast, and some of us have very strong opinions about that one shade of blue from years ago. The new themes in Visual Studio 2026 are built on Fluent, which gives us a much more consistent and accessible foundation,...
Visual Studio Blog
Jun 15, 2026
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The time the x86 emulator team found code so bad that they fixed it during emulation
Offensive content in the eyes of a software engineer.
The Old New Thing
Jun 12, 2026
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GitHub Copilot modernization for C++ is out of preview
GitHub Copilot modernization for C++ is out of preview as of Visual Studio 2026, helping you upgrade your MSVC Build Tools with an AI-guided workflow.
C++ Team Blog
Jun 12, 2026
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How can I schedule work on a thread pool with low latency?
The thread pool is designed for throughput, not latency.
The Old New Thing
Jun 12, 2026
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Orchestration Patterns for Multi-Agent Systems: Performance and Trade-offs
Real-world lessons from evolving a production chatbot into a coordinator-based multi-agent architecture, including performance trade-offs for enterprise-scale agent reuse.
ISE Developer Blog