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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,...
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Jun 17, 2026
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Visual Studio Code 1.125

Visual Studio Code Team
Learn what's new in Visual Studio Code 1.125 (Insiders) Read the full article
VS Code Blog
Jun 17, 2026
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AI-Powered MSBuild Investigation with the Microsoft Binlog MCP Server

.NET,
Jan
Diagnose MSBuild build failures and performance issues with AI using the new Microsoft Binlog MCP Server - 15 specialized tools that let your AI assistant investigate binary logs.
.NET Blog
Jun 17, 2026
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When your agent extensions fight each other

Waldek Mastykarz
This is the fourth article in a series about Agent Experience (AX): the practice of making AI coding agents work correctly with your technology. The series covers what you can and can't control in the agent stack, how to measure whether your extensions are helping or hurting, and how to...
Microsoft for Developers
Jun 17, 2026
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Azure Backup for Azure Cosmos DB Public Preview Adds Immutable Backups and Long-Term Retention

Hans,
Jay
Azure Backup for Azure Cosmos DB Public Preview Adds Immutable Backups and Long-Term Retention Picture the first few hours after a serious data incident. A production application is down. Security teams are still trying to understand what happened. Application owners need to know...
Azure Cosmos DB Blog
Jun 16, 2026
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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
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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
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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
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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
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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
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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
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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
Jun 15, 2026
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Make Visual Studio look the way you want

Mads Kristensen
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

Raymond Chen
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

Michael Price
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?

Raymond Chen
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

Lily Jia
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
Jun 11, 2026
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MSVC Build Tools Preview updates - June 2026

Eric Brumer
Try the latest updates to MSVC Build Tools Preview
C++ Team Blog
Jun 11, 2026
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June Patches for Azure DevOps Server

Gloridel Morales
We are releasing new patches for our self‑hosted product, Azure DevOps Server. We strongly recommend that all customers stay up to date with the latest, most secure version of Azure DevOps Server. The most recent release, Azure DevOps Server, is available on the download page. The...
Azure DevOps Blog