.NET Blog

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Introducing .NET MAUI – One Codebase, Many Platforms

Welcome to .NET Multi-platform App UI. This release marks a new milestone in our multi-year journey to unify the .NET platform. Now you and over 5 million other .NET developers have a first-class, cross-platform UI stack targeting Android, iOS, macOS, and Windows to complement the .NET toolchain (SDK) and base class library (BCL). You can ...

.NET MAUI Release Candidate 3

.NET MAUI Release Candidate 3 is now available with dozens of bug fixes and quality improvements. We also take a look at navigating with Shell including passing parameters and full objects.

Announcing Entity Framework Core EF Core 5.0 Preview 7

Today, the Entity Framework Core team announces the seventh preview release of EF Core 5.0. This release includes a factory to create DbContext instances, the ability to reset DbContext state, Cosmos DB improvements including enhanced support for configuration options and partition keys, and much more. In this post To summarize...

An Introduction to DataFrame

Last month, we announced .NET support for Jupyter notebooks, and showed how to use them to work with .NET for Apache Spark and ML.NET. Today, we're announcing the preview of a DataFrame type for .NET to make data exploration easy. If you've used Python to manipulate data in notebooks, you'll already be familiar with the concept of a DataFrame...

.NET Core 2.2 will reach End of Life on December 23, 2019

.NET Core 2.2 was released on December 4, 2018. As a non-LTS ("Current") release, it is supported for three months after the next release. .NET Core 3.0 was released on September 23, 2019. As a result, .NET Core 2.2 is supported until December 23, 2019. After that time, .NET Core patch updates will no longer include updated packages of ...

Try the new System.Text.Json APIs

For .NET Core 3.0, we're shipping a brand new namespace called System.Text.Json with support for a reader/writer, a document object model (DOM), and a serializer. In this blog post, I'm telling you why we built it, how it works, and how you can try it. We also have a video: Getting the new JSON library The future of ...

How to port desktop applications to .NET Core 3.0

In this post, I will describe how to port a desktop application from .NET Framework to .NET Core. I picked a WinForms application as an example. Steps for WPF application are similar and I'll describe what needs to be done different for WPF as we go. I will also show how you can keep using the WinForms designer in Visual Studio even though it ...