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Highlights

Copilot Autofix for GitHub Advanced Security for Azure DevOps

Over the last few years, we've encouraged customers to move their repositories from Azure Repos to GitHub, where the newest AI-powered and agentic development experiences land first. Migrating isn't equally simple for everyone. A move to GitHub can range from straightforward to a...

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.

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,...

Jun 16, 2026

Boosting Adobe Photoshop’s Performance with MSVC and SPGO

Eric Brumer

Boosting Adobe Photoshop’s Performance with MSVC and SPGO Adobe and Microsoft worked together to improve Photoshop performance and responsiveness on Windows by combining MSVC’s peak-performance build settings with Sample-based Profile-Guided Optimization (SPGO). The collaboration...

C++ Team Blog

Jun 16, 2026

Aspire in VS Code: the 13.4 developer loop

Adam Ratzman

Aspire 13.4 brings more of the local development loop into VS Code: AppHost CodeLens actions, live resource state, dashboard shortcuts, typed resource command prompts, TypeScript AppHost support, and multi-language debugging.

Aspire Blog

Jun 16, 2026

Third Rule of MSIX

Howard Kapustein

MSIX has several core principles underlying its design and implementation. Engineers half-jokingly call these The Rules of MSIX. The Third Rule of MSIX is arguably the most important and certainly the most foundational: Package identity is unique across space and...

Inside MSIX

Jun 16, 2026

Competing against yourself

Waldek Mastykarz

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

Retrofitting the `WM_COPYDATA` message onto Windows 3.1

Raymond Chen

It was carefully designed to be trivial.

The Old New Thing

Jun 16, 2026

Announcing General Availability of the Azure Cosmos DB Built-in Connector for Logic Apps Standard

Theo van Kraay

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

GitHub Copilot for JetBrains is moving to Copilot CLI as the default agent harness

Ji Dong

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