.NET Blog
Free. Cross-platform. Open source. A developer platform for building all your apps.
Featured posts
Announcing .NET 10
Announcing the release of .NET 10, the most productive, modern, secure, intelligent, and performant release of .NET yet. With updates across ASP.NET Core, C# 14...
Latest posts
Deprecating TLS 1.0 and 1.1 on NuGet.org
co-authored by Scott Bommarito At Microsoft, using the latest and secure encryption techniques is very important to us to ensure the security and privacy of our customers. TLS 1.0 and TLS 1.1, released in 1999 and 2006 respectively, are known to be vulnerable to a number of attacks including POODLE and BEAST. In the past, we removed support for SSL 3 because it was also vulnerable to attacks. For those reasons, NuGet.org will be removing support for TLS 1.0 and 1.1. This means that you will no longer be able to restore packages, upload packages, or browse NuGet.org using these outdated security protocols. Th...
Announcing .NET Core 3.1 Preview 3
![Rich Lander [MSFT]](https://devblogs.microsoft.com/dotnet/wp-content/uploads/sites/10/letter-avatar/95d8eb524d074c0839d4fae3c3055e7c.svg){kind=avatar}
Today, we're announcing .NET Core 3.1 Preview 3. .NET Core 3.1 is a small and short release focused on key improvements in Blazor and Windows desktop, the two big additions in .NET Core 3.0.. It will be a long term support (LTS) release. We are coming near the end of the 3.1 release and expect to release it in early December. You can download .NET Core 3.1 Preview 3 on Windows, macOS, and Linux. ASP.NET Core and EF Core are also releasing updates today. Visual Studio 16.4 Preview 5 and Visual Studio for Mac 8.4 Preview 2 are also releasing today. They are required updates to use .NET Core 3.1 Preview 3. V...
ASP.NET Core updates in .NET Core 3.1 Preview 3
![Sourabh Shirhatti [MSFT]](https://devblogs.microsoft.com/dotnet/wp-content/uploads/sites/10/letter-avatar/5b4cf7819b6d2c70223d8afeb235f990.svg){kind=avatar}
.NET Core 3.1 Preview 3 is now available! Check out what's new in ASP.NET Core in this release.
.NET Framework November 13, 2019, Update for .NET Framework 4.8
Today, we released an update for .NET Framework 4.8 to Microsoft Update Catalog. Quality and Reliability This release contains the following reliability improvement. CLR1 1 Common Language Runtime (CLR) Known Issues in this update There are no known issues with this update, however, this update resolves a previous known issue. These updates include improvements to resolve a known issue discussed in October Preview of Quality Rollup that occurs after applying the .NET Framework 4.8 patch. To resolve the known issue issue, install update for .NET Framework 4.8 available in the December 2019 Security a...
Improvements in .NET Core 3.0 for troubleshooting and monitoring distributed apps
.NET Core 3.0 made many improvements in distributed applications manageability. Learn about exciting new features and our plans in this area.
ML.NET Model Builder Updates
ML.NET is a cross-platform, machine learning framework for .NET developers, and Model Builder is the UI tooling in Visual Studio that uses Automated Machine Learning (AutoML) to easily allow you to train and consume custom ML.NET models.
.NET Framework Repair Tool
Today, we are announcing an update to .NET Framework Repair tool. In case you are not familiar with previous releases of this tool, here is a bit of background. Occasionally, some customers will run into issues when deploying a .NET Framework release or its updates and the issue may not be fixed from within the setup itself. In such cases, the .NET Framework Repair Tool can help with detecting and fixing some of the common causes of install failures. This version (v1.4) of the repair tool supports all versions of .NET Framework from 3.5 SP1 to 4.8. The latest update adds support for .NET Framework 4.6.2, 4.7, 4...
Building Modern Cloud Applications using Pulumi and .NET Core
This is a guest post from the Pulumi team. Pulumi is an open source infrastructure as code tool that helps developers and infrastructure teams work better together to create, deploy, and manage cloud applications using their favorite languages. For more information, see https://pulumi.com/dotnet. We are excited to announce .NET Core support for Pulumi! This announcement means you can declare cloud infrastructure — including all of Azure, such as Kubernetes, Functions, AppService, Virtual Machines, CosmosDB, and more — using your favorite .NET language, including C#, VB.NET, and F#. This brings the entire cloud t...
Announcing ML.NET 1.4 general availability (Machine Learning for .NET)
Coinciding with the Microsoft Ignite 2019 conference, we are thrilled to announce the GA release of ML.NET 1.4 and updates to Model Builder in Visual Studio, with exciting new machine learning features that will allow you to innovate your .NET applications. ML.NET is an open-source and cross-platform machine learning framework for .NET developers. ML.NET also includes Model Builder (easy to use UI tool in Visual Studio) and CLI (Command-Line Interface) to make it super easy to build custom Machine Learning (ML) models using Automated Machine Learning (AutoML). Using ML.NET, developers can leverage their existin...