.NET Blog

Free. Cross-platform. Open source. A developer platform for building all your apps.

.NET Framework 4.7.2 is available on Windows Update, WSUS and MU Catalog

8/20/2019 Update: The .NET 4.7.2 update has been republished to work around a known issue in Config Manager that resulted in errors when Config Manager tried to sync with an upstream WSUS server. Please note that there is no change to the installers below.    Today, we are happy to announce the Microsoft .NET Framework 4.7.2 is ...

.NET Core July 2018 Update

Today, we are releasing the .NET Core July 2018 Update. This update includes .NET Core 1.0.12, .NET Core 1.1.9, .NET Core 2.0.9 and .NET Core 2.1.2. Security .NET Core Security Feature Bypass Vulnerability CVE-2018-8356: Microsoft is aware of a security feature bypass vulnerability that exists when .NET Core does not correctly validate ...

Announcing ML.NET 0.3

Two months ago, at //Build 2018, we released ML.NET 0.1, a cross-platform, open source machine learning framework for .NET developers. We’ve gotten great feedback so far and would like to thank the community for your engagement as we continue to develop ML.NET together in the open. We are happy to announce the latest version: ML.NET 0.3. ...

System.IO.Pipelines: High performance IO in .NET

System.IO.Pipelines is a new library that is designed to make it easier to do high performance IO in .NET. It's a library targeting .NET Standard that works on all .NET implementations. Pipelines was born from the work the .NET Core team did to make Kestrel one of the fastest web servers in the industry. What started as an implementation ...

Workaround for Bower Version Deprecation

As of June 25, the version of Bower shipped with Visual Studio was deprecated, resulting in Bower operations failing when run in Visual Studio. If you use Bower, you will see an error something like: This will be fixed in Visual Studio 15.8. In the meantime, you can work around the issue by using a new version of Bower or by adding some ...

Changes to script debugging in Visual Studio 15.7

We’re always looking for ways to make developing with Visual Studio faster.  One of the tasks developers do many times a day is launching debugging sessions.  We identified that script debugging added about 1.5s per F5, but only about 15.5% of people actively debugged script using Visual Studio. Based on the above, in Visual Studio 15.7 ...

.NET Core 2.1 June Update

We released .NET Core 2.1.1. This update includes .NET Core SDK 2.1.301, ASP.NET Core 2.1.1 and .NET Core 2.1.1. See .NET Core 2.1.1 release notes for complete details on the release. Quality Updates CLI CoreCLR CoreFX WCF Getting the Update The .NET Core 2.1 June 2018 Update is ...

.NET Core 2.0 will reach End of Life on October 1, 2018

Last Updated: 6/22/2018 .NET Core 2.0 was released on August 14, 2017. As a non-LTS release, it is supported for 3 months after the next release. .NET Core 2.1 was released on May 30th, 2018. As a result, .NET Core 2.0 will be supported until September 1, 2018. NEW: Customers have reported a narrow but critical diagnostics issue with .NET ...

The RyuJIT transition is complete!

RyuJIT is the code name for the .NET just-in-time compiler, one of the foundational components of the .NET runtime. In contrast, the Roslyn C# compiler compiles C# code to IL byte code. The RyuJIT compiler compiles IL byte code to machine code for multiple processors. With the recent merge of the dotnet/coreclr #18064 pull request, the ...

Staying up-to-date with .NET Container Images

This post describes the container images that we produce and update for you, that you can use with Docker, Kubernetes and other systems. When you are using .NET and Docker together, you are probably using the official .NET container images from Microsoft. We've made many improvements over the last year to the .NET images that make it easier ...