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.NET 11 Preview 1 is now available!

Find out about the new features in .NET 11 Preview 1 across the .NET runtime, SDK, libraries, ASP.NET Core, Blazor, C#, .NET MAUI, and more!
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Feb 11, 2026
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Beyond the Prompt - Why and How to Fine-tune Your Own Models

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Radhika Bollineni
Large Language Models (LLMs) have reached a point where general intelligence is no longer the bottleneck. The real challenge in enterprise AI systems behavioral alignment ensuring models that produce consistent, reliable, policy-compliant outputs on a scale. Prompt engineering and...
Microsoft Foundry Blog
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Feb 11, 2026
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Unlock language-specific rich symbol context using new find_symbol tool

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Sinem,
Hannah
Refactoring at scale is a time-consuming and error-prone process for developers. In large codebases, developers have relied on manual searches and incremental edits across multiple files to accomplish these tasks. Modern development workflows depend on fast and accurate code navigation...
Visual Studio Blog
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Feb 11, 2026
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How do I suppress the hover effects when I put a Win32 common controls ListView in single-click mode?

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Raymond Chen
You can prevent the item from becoming hot-tracked.
The Old New Thing
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Feb 11, 2026
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Deploy to Azure App Service deployment slots with azd

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PuiChee (PC) Chan
azd now supports direct deployments to Azure App Service slots—quick, clear, and slot-aware for the first time.
Azure SDK Blog
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Feb 11, 2026
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Maximize Azure Cosmos DB Performance with Azure Advisor Recommendations

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Iria Osara
In the first post of this series, we introduced how Azure Advisor helps Azure Cosmos DB users uncover opportunities to optimize efficiency and make smarter decisions. This follow-up dives deeper into one of the most important categories of guidance: performance. If you've ever dealt...
Azure Cosmos DB Blog
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Feb 10, 2026
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.NET 11 Preview 1 is now available!

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.NET Team
Find out about the new features in .NET 11 Preview 1 across the .NET runtime, SDK, libraries, ASP.NET Core, Blazor, C#, .NET MAUI, and more!
.NET Blog
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Feb 10, 2026
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February Patches for Azure DevOps Server

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Gloridel Morales
We are releasing patches for our self‑hosted product, Azure DevOps Server. We strongly recommend that all customers stay on the latest, most secure version of Azure DevOps Server. The latest release, Azure DevOps Server, is available from the download page. To make it easier to find...
Azure DevOps Blog
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Feb 10, 2026
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.NET and .NET Framework February 2026 servicing releases updates

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Rahul,
Tara
A recap of the latest servicing updates for .NET and .NET Framework for February 2026.
.NET Blog
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Feb 10, 2026
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Building AI-Powered Apps with Azure Cosmos DB and the Vercel AI SDK

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Sajeetharan Sinnathurai
The Vercel AI SDK is an open-source TypeScript toolkit that provides the core building blocks for integrating AI into any JavaScript application. It works with 20+ AI providers out of the box—including OpenAI, Azure OpenAI, Anthropic, Google, Mistral, and more—so you can write your...
Azure Cosmos DB Blog