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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. One exa...

Today I’m very happy to announce that we released the stable version of the Microsoft.Bcl.Immutable NuGet package. We also published the MSDN documentation on immutable collections. Thank you! Nine months ago, we shipped the first preview of immutable collections. This was one of the first BCL features that we decided to ship early and often by r...

Over the past several months, we’ve been working on a new set of collection types that offer an immutable design. Today we are happy to announce that we are one step closer to a stable version of this work: we’ve just shipped the release candidate (1.0.23 RC) of the Microsoft.Bcl.Immutable NuGet package. Because we could: an immutabl...

Update (2017): See .NET Framework Releases to learn about newer releases. This release is unsupported. Update: The .NET Framework 4.5.1 RTM has been released and is available for download. The .NET Framework 4.5.1 RC is now available. It comes with a go-live license, enabling you to deploy 4.5.1 apps in production. Here are the RC bits. Download...

As Brian Harry recently announced, there will be a Visual Studio 2012 Update 4. With RC2, we’ve updated the NuGet support. In this blog post, I’ll summarize those improvements. Updated NuGet Client The RTM version of Visual Studio 2012 included a fairly old version of the NuGet client (2.0). Although the NuGet team regularly ships upd...

Today we are happy to announce that our portable compression library is now available as a stable NuGet package. Microsoft.Bcl.Compression Microsoft.Bcl.Compression provides the following APIs in a portable fashion: It’s supported on the following platforms: .NET 4.5 and .NET for Windows Store apps already ship compres...

As we’ve previously explained we receive various reports on how our NuGet packages don’t play nicely with NuGet’s package restore feature. In this blog post I’ll talk about an update we shipped to our infrastructure package Microsoft.Bcl.Build that reduces the impact. The Issue To recap, some of our packages need to participate in the build in or...

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 allo...

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 with use...

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 arch...