Microsoft
Developer Blogs
Get the latest information, insights, and news from Microsoft.
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
Dec 9, 2025
Post comments count2
Post likes count2
How does Windows synthesize CF_UNICODETEXT from CF_TEXT and vice versa?
Let's ask the locale.
The Old New Thing
Dec 8, 2025
Post comments count0
Post likes count0
Announcing Microsoft Entra PowerShell v1.1.0
We’re thrilled to introduce Microsoft Entra PowerShell v1.1.0 available on PowerShell Gallery. The headline feature is No more version pinning to Microsoft Graph PowerShell v2.25.0. You can now use the latest Graph modules without restrictions, giving you unmatched flexibility and...
Microsoft Entra PowerShell
Dec 8, 2025
Post comments count4
Post likes count1
Entra PowerShell Now Supports Latest Microsoft Graph PowerShell Versions
We’ve heard you and we’ve made it happen!
One of the most requested changes from our community has been greater flexibility when working with Microsoft Graph PowerShell. Previously, Entra PowerShell pinned its dependency to Microsoft Graph PowerShell v2.25, which limited...
Microsoft Entra PowerShell
Dec 8, 2025
Post comments count2
Post likes count1
Long-term data retention up to 10 years: Announcing Private Preview of Azure Backup for Azure Cosmos DB
Azure Backup for Azure Cosmos DB is a new option that lets you securely protect and recover your Azure Cosmos DB data for compliance, audit, and ransomware protection scenarios. It leverages Azure Backup’s vault isolation and Azure Cosmos DB’s native backup streams to deliver...
Azure Cosmos DB Blog
Dec 8, 2025
Post comments count4
Post likes count6
Microsoft Learn MCP Server Elevates Development
Wendy,
Eric
Explore how the Learn MCP server enhances the developer experience with Copilot, showcase practical examples, and provide straightforward integration instructions for Visual Studio, Visual Studio Code, the Copilot Command Line Interface, and the Copilot Coding Agent
.NET Blog
Dec 8, 2025
Post comments count3
Post likes count2
.NET 10 Networking Improvements
Introducing new networking features in .NET 10 including HTTP space, WebSockets, security and more!
.NET Blog
Dec 8, 2025
Post comments count0
Post likes count0
Host Your Node.js MCP Server on Azure Functions in 1 Simple Step
Building AI agents with the Model Context Protocol (MCP) is powerful, but when it comes to hosting your MCP server in production, you need a solution that's reliable, scalable, and cost-effective. What if you could deploy your regular Node.js MCP server to a serverless platform that...
Microsoft for Developers
Dec 8, 2025
Post comments count4
Post likes count1
Python is First Class in Aspire 13
Aspire 13 introduces first-class Python support with dedicated APIs for hosting Python applications, modules, and ASGI web apps alongside your .NET services.
Aspire Blog
Dec 8, 2025
Post comments count11
Post likes count3
How does Windows synthesize CF_OEMTEXT from CF_TEXT and vice versa?
Starting with the easy case, or at least it looks easy.
The Old New Thing