Welcome to the .NET Framework 4.7.1 Early Access!

Last Updated: 9/28/2017 Today, we are happy to share the .NET Framework 4.7.1 Early Access build with the Developer Pack. The .NET Framework 4.7.1 Developer Pack lets developers build applications that target the .NET Framework 4.7.1 by using Visual Studio 2017, Visual Studio 2015 or other IDEs. This is a single package that bundles the .NET… Read more

Profile-guided optimization in .NET Core 2.0

This post was co-written by Daniel Podder and Bertrand Le Roy. .NET Core 2.0 introduces many new optimizations that will make your code even faster. A lot of work has been done in the base class library to improve performance, but in this post, we’d like to talk about a specific category of optimization: profile-guided… Read more

Announcing .NET Framework 4.6

Update: See .NET Framework Releases to learn about newer releases. We’re excited to announce the RTM releases of .NET Framework 4.6 and Visual Studio 2015 today. You can read about the new features or leave that for later and try them out now. The quickest way to get started is to install the free Visual Studio… Read more

CoreCLR is now Open Source

We’re excited to announce that CoreCLR is now open source on GitHub. CoreCLR is the .NET execution engine in .NET Core, performing functions such as garbage collection and compilation to machine code. .NET Core is a modular implementation of .NET that can be used as the base stack for a wide variety of scenarios, today… Read more

Announcing October 2014 Updates to .NET Framework vNext, ASP.NET vNext and .NET Native in Visual Studio “14” CTP4

Updated (2017): See .NET Framework Releases to learn about newer releases. Today, we are announcing updates to the .NET Framework vNext, ASP.NET vNext and .NET Native. These are all available in Visual Studio “14” CTP4. This .NET Framework release contains RyuJIT, the next generation X64 JIT. ASP.NET vNext contains major improvements in the runtime and Visual… Read more

Try out the new releases: .NET Framework vNext, ASP.NET vNext, .NET Native and RyuJIT

Update (2017): See .NET Framework Releases to learn about newer releases. Today, we are announcing updated versions of .NET Framework vNext, ASP.NET vNext, .NET Native and RyuJIT. You can try out these new releases by installing Visual Studio “14” CTP3. Please tell us what you think. The .NET Framework vNext We are releasing an early… Read more

dotnetConf 2014 Wrapup

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… Read more

The Next Generation of .NET – ASP.NET vNext

Updated (2017): See .NET Framework Releases to learn about newer releases. Updated (July 2015): See Announcing .NET Framework 4.6 to read about the latest version of the NET Framework. Today at TechEd North America, we announced the latest set of innovations that are part of the next generation of .NET. The biggest of those is ASP.NET vNext, which… Read more

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…. Read more

RyuJIT CTP2: Getting Ready for Prime-time

This post announces an updated preview of the .NET team’s new 64-bit Just-In-Time (JIT) compiler. It was written by Mani Ramaswamy, Program Manager for the .NET Dynamic Code Execution Team. Note: RyuJIT CTP3 is available here: http://blogs.msdn.com/b/dotnet/archive/2014/04/03/the-next-generation-of-net.aspx. The developer preview of RyuJIT, CTP1, received a thunderous response (so much so we had to post a… Read more