.NET Blog

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

.NET 4.5.1 Supports Microsoft Security Updates for .NET NuGet Libraries

This post describes .NET NuGet library servicing support in the .NET Framework 4.5.1. It was written by Alok Shriram, a Program Manager on the .NET Core Framework Team. In the .NET Framework 4.5.1, we extended our .NET Framework security update capability to our NuGet libraries, enabling us to deliver security updates for those libraries ...

The .NET Framework 4.5.1 is available on Windows Update and WSUS

Update (2017): See .NET Framework Releases to learn about newer releases. This release is unsupported. We are happy to announce that the .NET Framework 4.5.1 and its language packs are now available via Windows Update (WU) and WSUS. You can learn more about the release from the What's new in the .NET Framework 4.5.1 topic. This update is ...

Microsoft.Diagnostics.Tracing.EventSource is now RC on NuGet.org

We are announcing the RC of the EventSource NuGet package, which enables fast app tracing to the Windows Event Log, including in production. This post was written by Cosmin Radu, a software developer on the .NET Runtime team. Over the past several months we’ve been working on addressing feedback and extending the value proposition ...

RyuJIT .NET JIT compiler CTP1 FAQ

Update (2017): See .NET Framework Releases to learn about newer releases. This post shares more details about our new .NET 64-bit Just-In-Time (JIT) compiler. It was written by Kevin Frei, Development Lead for the CLR JIT team. RyuJIT received a great response with its RyuJIT: The next-generation JIT compiler for .NET announcement post. ...

Portable Class Library (PCL) now available on all platforms

This post announces a standalone release of the .NET portable class library reference assemblies that can be used on any operating system. It was written by Rich Lander, a Program Manager on the .NET Team. Update: Read PCL and .NET NuGet Libraries are now enabled for Xamarin for later information on this release. You can build .NET apps ...

ASP.NET App Suspend – responsive shared .NET web hosting

This post introduces ASP.NET App Suspend, which is a game-changing feature in the .NET Framework 4.5.1. It radically changes the user experience and economic model for hosting large numbers of ASP.NET sites on a single machine. This post was written by Rich Lander, a Program Manager on the .NET team. (image) Sharing can be hard. In my early ...

RyuJIT: The next-generation JIT compiler for .NET

This post introduces the .NET team’s new 64-bit Just-In-Time (JIT) compiler. It was written by Andrew Pardoe, PM Manager for the CLR Runtime PM team. The world is moving to 64-bit computing even though it isn’t always faster or more efficient than 32-bit. A lot of programs run faster on 32-bit than on 64-bit, for a variety of reasons...

Announcing TraceEvent – Monitoring and Diagnostics for the Cloud

In this post, Vance Morrison, software developer on the .NET Runtime team, will talk about the TraceEvent NuGet library we just shipped. -- Immo I am happy to report that we have just released the TraceEvent library on (prelease) NuGet. This library is an important part of the .NET, end-to-end, cloud scale diagnostics and monitoring story. It...

Announcing the EventSource NuGet Package – Write to the Windows Event Log

We are announcing the EventSource NuGet package, which enables fast app tracing to the Windows Event Log, including in production. This post was written by Cosmin Radu, a software developer on the .NET Runtime team We know that you want to build high-quality software. That can be a challenging task if your desktop or web app interacts ...

Get the latest .NET Bits

We maintain a set of pages that make it easier for you to find all the .NET Framework versions, SDKs, and targeting packs that you can take advantage of in your .NET apps, as we mentioned last year on the .NET blog. We recently redesigned the pages and added more SDKs for you to download. You may even find some SDKs to try that you didn’t ...