.NET Blog

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.NET Core is Open Source

Today is a huge day for .NET! We’re happy to announce that .NET Core will be open source, including the runtime as well as the framework libraries. This is a natural progression of our open source efforts, which already covers the managed compilers (C#, VB, and F#) as well as ASP.NET: This takes it to the next level by ...

dotnetConf 2014 Wrapup

(image) We just wanted to say thank you for your time attending the dotnetConf in June 2014 where we shared innovation and news about the present and future of .NET, all in a single place focusing on .NET technologies.  You may have missed sessions during the streaming delivered on June 25th and 26th, so, for your convenience, we’d ...

Would you like a MultiDictionary?

We’ve recently shipped new collection types on NuGet with our Immutable Collections package. NuGet allows us to ship prerelease and experimental versions of libraries to gather feedback from the community. In this post, our software developer intern Ian Hays will talk about his intern project: an experimental NuGet package containing ...

Update to SIMD Support

A month ago we announced support for SIMD. Today, we're announcing an update to "RyuJIT" and our NuGet package that exposes the SIMD programming model. Updates to the Microsoft.Bcl.Simd NuGet package More types for We've expanded the support of the types: Support for mutable vector types We've also changed our stance on immutability. In ...

Get your libraries ready for Windows Phone 8.1

Two weeks ago, we released the Windows Phone preview for developers. In this post, I’ll cover what this means for library and app developers. (image) What this means for library developers As a .NET developer you can target Windows Phone 8.1 via two platforms: Apps that target Windows Phone Silverlight 8.1 can consume existing ...

The JIT finally proposed. JIT and SIMD are getting married.

Processor speed no longer follows Moore’s law. So in order to optimize the performance of your applications, it’s increasingly important to embrace parallelization. Or, as Herb Sutter phrased it, the free lunch is over. You may think that task-based programming or offloading work to threads is already the answer. While multi-...

The Next Generation of .NET

At Build 2014 this week, we announced the next generation of .NET. The next generation will focus and deliver on two main themes: Core Innovation and cross-device apps. These themes are a direct result of your feedback, asking for new features in .NET and to make it easier to use .NET for all your apps. At Build 2014, we are releasing...

.NET Framework 4.5.1 RTM => start coding

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. Today, we’re announcing the availability of the .NET Framework 4.5.1 and Visual Studio 2013 (Soma’s blog). You can ...

OWIN Middleware in the IIS integrated pipeline & StageMarkers

Although OWIN middleware components are primarily designed to run on an OWIN pipeline, it can run on IIS as well. Similar to how HttpModules can subscribe to a specific IIS integrated pipeline event, an OWIN middleware can be subscribed to run at a specific IIS integrated pipeline event. Check out OWIN Middleware in the IIS integrated pipeline...

Immutable collections ready for prime time

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 ...