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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
Dec 2, 2025
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The Interaction Changes Everything: Treating AI Agents as Collaborators, Not Automation
Discover how treating AI agents as collaborators, not automation, transforms engineering workflows and accelerates complex projects
Engineering@Microsoft
Dec 2, 2025
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DirectX Graphics Samples Updated to Agility SDK + Enhanced Barriers examples
We’re excited to share all DirectX Graphics Samples have been updated to use the latest DirectX 12 Agility SDK.
What’s New:
Agility SDK Integration: All samples now leverage the latest Agility SDK for improved compatibility and faster adoption of new DirectX capabilities.
...
DirectX Developer Blog
Dec 2, 2025
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Securing Sensitive Mobile Operations with Device-Bound Request Signing
Fernando,
Daiane,
Wesley
Mobile security goes beyond verifying user identity. If an attacker steals a valid token, how will your backend distinguish a legitimate request from one reproduced in an emulator or cloned environment? This is a gap in traditional authentication flows when applied to the mobile...
Microsoft for Developers
Dec 2, 2025
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Progress on TypeScript 7 - December 2025
Earlier this year, the TypeScript team announced that we've been porting the compiler and language service to native code to take advantage of better raw performance, memory usage, and parallelism.
This effort (codenamed "Project Corsa", and soon "TypeScript 7.0") has been a significant...
TypeScript
Dec 2, 2025
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Tata Neu delivers personalized shopping experiences for millions of users with Azure DocumentDB
With Azure DocumentDB, Tata Neu delivers seamless authentication for millions of users, accelerates credit card onboarding across partners, unifies loyalty programs for hundreds of millions of members, and powers AI-driven support experiences across more than 60 brands.
This...
Azure Cosmos DB Blog
Dec 2, 2025
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Profiler Agent - Delegate the analysis, not the performance
In Visual Studio 2026 we introduced Copilot Profiler Agent, a new AI-powered assistant that helps you analyze and optimize performance bottlenecks in your code. By combining the power of GitHub Copilot with Visual Studio's performance profiler, you can now ask natural language questions...
Visual Studio Blog
Dec 2, 2025
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Microspeak: Big rocks
The large obstacles.
The Old New Thing