.NET Blog

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Wondering why mscorsvw.exe has high CPU usage? You can speed it up.

This post was written by Rich Lander, a Program Manager on the .NET Framework Team. It was written for people who want to understand why mscorsvw.exe is running on their machines and want to know how to speed it up. Have you noticed that your machine is slowing down, and you’ve looked in Task Manager to find that mscorsvw.exe is the ...

Got a need for speed? .NET apps start faster.

This post was written by Rich Lander, who works as a Program Manager on the .NET Framework. He worked on AutoNGEN for Windows 8. This post focuses on how technologies such as Native Image Generator (NGEN), the .NET Framework Optimization Service (mscorsvw), AutoNGEN, and compilation in the cloud have improved the startup performance of .NET ...

Wondering why mscorsvw.exe has high CPU usage? You can speed it up.

This post was written by Rich Lander, a Program Manager on the .NET Framework Team. It was written for people who want to understand why mscorsvw.exe is running on their machines and want to know how to speed it up. Have you noticed that your machine is slowing down, and you’ve looked in Task Manager to find that mscorsvw.exe is the ...

Advise the .NET Framework Team

This post was written by Rich Lander, a Program Manager on the .NET Framework team. He’s also the one posting as @DotNet on Twitter. Late last month, we released the .NET Framework 4.5.1 Preview. We’re in a spot in our release cycle where we’d appreciate feedback on the pre-release version that we just made available, but we're ...

HttpClient 2.2 is now stable

As promised, we’ve just pushed the RTM version of HttpClient 2.2 to NuGet. This version adds support for automatic decompression. As announced here, this doesn’t require a dependency on Microsoft.Bcl.Compression. This allowed us to support automatic decompression on more platforms and without forcing your projects to change the CPU...

HttpClient 2.2 is now RC

Today we are happy to announce the next step in providing a portable HttpClient with automatic decompression: we just pushed the RC version to NuGet. From Beta to RTM We haven’t changed much since the beta we shipped three weeks ago – simply because we didn’t have to. In general we follow these steps when shipping ...

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 ...

Announcing the .NET Framework 4.5.1 Preview

Updated (2017): See .NET Framework Releases to learn about newer releases. This release is unsupported. Updated (July 2015): See Announcing .NET Framework 4.6 to read about the latest version of the NET Framework. Update: The .NET Framework 4.5.1 RTM has been released and is available for download. The content below is still a great ...

Please welcome ImmutableArray

We’ve just released an update to our immutable collection package which adds a new member to the family of immutable collection types: ImmutableArray<T>. In this post, I’ll talk about why we added another collection and how it relates to the existing types. I’ll also cover some minor updates we did to our package. ...