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Highlights
Explore union types in C# 15
C# 15 introduces union types — declare a closed set of case types with implicit conversions and exhaustive pattern matching. Try unions in preview today and see the broader exhaustiveness roadmap.
Read moreClick to read more about this postTake full control of your floating windows in Visual Studio
Make Visual Studio floating windows work perfectly with PowerToys FancyZones. Flip one option to get independent windows, better snapping, and less friction.
Read moreClick to read more about this postMCP Apps on Azure Functions: Quickstart with TypeScript
Learn how to build and deploy MCP (Model Context Protocol) apps on Azure Functions using TypeScript. This guide covers MCP tools, resources, local development, and serverless deployment with a practical weather app example.
Read moreClick to read more about this postLatest posts
Feb 26, 2026
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D3D12 Shader Execution Reordering
Now officially released, Shader Execution Reordering (SER) is an addition to DirectX Raytracing that enables application shader code inform hardware how to find coherency across rays so they can be sorted to execute better in parallel. SER support is a required feature in Shader...
DirectX Developer Blog
Feb 26, 2026
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D3D12 Opacity Micromaps
Amar,
Adam
DirectX Raytracing (DXR) now supports Opacity Micromaps (OMMs), enabling hardware to handle alpha tested geometry more efficiently than relying only on costly AnyHit shader invocations.
At GDC 2025 DXR 1.2 was announced including OMMs, and you can see it discussed in this: GDC...
DirectX Developer Blog
Feb 26, 2026
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Azure SDK Release (February 2026)
Azure SDK releases every month. In this post, you'll find this month's highlights and release notes.
Azure SDK Blog
Feb 26, 2026
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Intercepting messages inside IsDialogMessage, installing the message filter
Using an
IsDialogMessage extension point.The Old New Thing
Feb 26, 2026
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Building Long-Distance Next Edit Suggestions
Learn how we extended next edit suggestions to work across your entire file, reducing friction and improving productivity in GitHub Copilot.
Read the full article
VS Code Blog
Feb 26, 2026
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Building a Secure MCP Server with OAuth 2.1 and Azure AD: Lessons from the Field
How we built a production-ready MCP server with OAuth 2.1 authentication and On-Behalf-Of flow for Microsoft Graph, navigating a rapidly evolving specification.
ISE Developer Blog
Feb 25, 2026
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The Polyglot Tax
Part 1 of 4 - The Multimodal Database Series
This is a four-part series about what happens when a single database engine handles relational, document, graph, vector, and analytical workloads natively - and what you stop paying for when it does.
You spin up a database, point an agent...
Azure SQL Dev Corner
Feb 25, 2026
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MSSQL Extension for VS Code: Query Profiler, ADS Migration Toolkit & More
Carlos,
Tauseef,
Yo-Lei
The MSSQL Extension for VS Code continues to evolve, delivering features that make SQL development more integrated, more powerful, and more developer-friendly. In version v1.40.0, we're introducing the ADS Migration Toolkit, Basic Database Management, Flat File Import, Database Backup...
Azure SQL Dev Corner
Feb 25, 2026
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Azure Developer CLI (azd) - February 2026: JMESPath Queries & Deployment Slots
This post announces the February 2026 release of the Azure Developer CLI (`azd`).
Azure SDK Blog