Learn about WinUI Reactor, the new C# framework for building desktop apps using the MVU pattern with no XAML files.

Welcome to F# Weekly, A roundup of F# content from this past week: News F# Advent Calendar in English 2026 Paket support on renovate merged 🎉 Microsoft News Blazor Welcomes Open-Source Contribution…

We’re renaming our Max plans: Max 5x → Max Max 20x → Ultra Max is still $100/month, and Ultra is still $200. If you’re a subscriber, there’s nothing you need to do. We’re also removing the 5-hour limit for verified Ultra accounts, starting today with most existing subscribers. Newer accounts ke…

Microsoft’s new rustup-like tool makes it easy to build and manage .NET environments from the command line.

The new collaboration will strengthen the company’s cloud, data, and AI capabilities to accelerate innovation and enhance productivity NEW YORK--(BUSINESS WIRE)-- The Estée Lauder Companies Inc. (NYSE: EL) today announced a new strategic partnership with Microsoft Corp. to advance its cloud and data foundation and

Are you making automation tests for applications which use huge amounts of RAM memory? You have limited resources for your CI virtual machine? Your automation tests hang on local launches? Maybe you need some memory optimization for your automation tests! In this article you will find some approaches how to do this for C#. You will read about Garbage Collector, and about some other methods for memory usage optimization. Measure and control RAM usage of your automation tests on C#!

NBomber Studio 0.10.0 is out. It is the analysis tool for load test results produced by NBomber, the .NET load testing framework. The release adds support for tags, reworks the Session Details screen and refreshes the overall UI. It also fixes filter behavior: Studio now correctly restores filter state when you switch between views. The team walks through the changes in a six-minute overview video.

Explore the new Azure MCP Server 3.0 stable release, with AI agent tools for Terraform, backup, recovery, and troubleshooting, plus stronger security defaults.

Connect Azure Functions to nearly 1,700 services with managed connectors. Build event-driven integrations across Microsoft 365, Teams, SharePoint, and third-party services while reducing the complexity of managing webhooks and authentication.

Five practical examples of when durable execution makes sense, when it does not, and what it means for AI agents.

Azure Functions is the event-driven application platform, and Hosted Skills adds AI reasoning to your app. Dynamic Workflows give the app a durable way to carry out AI-led, multi-step work after the triggering invocation is finished. The model writes a plan (a DAG) one time, and Durable Functions runs it. In our benchmark, token use decreased by 56-93% and end-to-end latency decreased by 77-95%, with the same output quality.

Python 3.15 is here! Here’s the essential What’s new in Python 3.15 guide, this year curated by 3.14 and 3.15 release manager Hugo van Kemenade. As someone who builds open …

A Blog post by Microsoft on Hugging Face

In this post I describe how to perform method-substitutions with the NativeAOT linker to remove additional dependencies that the linker couldn't see were unused

.NET 11 Release Candidate 2 is available with improvements across libraries, runtime, SDK, MSBuild, NuGet, F#, ASP.NET Core, .NET MAUI, and Windows Forms.

Subscribe to Microsoft Azure today for service updates, all in one place. Check out the new Cloud Platform roadmap to see our latest product plans.

C# Dev Kit has been rebuilt to open solutions in about a second and run on a fraction of the memory, and this post walks through what changed for you.

Welcome to F# Weekly, A roundup of F# content from this past week: News F# in .NET 11 RC 2 – Release Notes Performance improvements in the F# 11 compiler Microsoft News Introducing dotnetup: …

Learn how Maia 300 is helping us move toward making advanced AI capabilities more accessible, affordable, and useful.

Starting September 23, 2026, Microsoft is updating the author-signing certificate used for NuGet packages. Customers using trusted signer policies or certificate fingerprint verification should add the new certificate as soon as possible.

In this post I look at the new experimental support for DBSC provided by the Microsoft.AspNetCore.Authentication.DeviceBoundSessions package

Some days ago I wrote about duck-typing in C# with interceptors. Back then it was a proof-of-concept with a lot of rough edges. Now it is a real library: IfItQuacks.

Yesterday was Grok 4.7 (pelicans) and MiMo v2.6 Flash/Pro (more pelicans). Today Anthropic released Claude Opus 5.5, and around an hour later OpenAI released GPT-6 Sol and GPT-6 Luna. It’s …