Welcome to C# 7.1

With C# we have always tended towards major releases: bundle a lot of features up, and release less frequently. We even went so far as routinely omitting the traditional ".0" when we talked about C# 6.0! In the C# 7.0 "wave" we are trying something new. Tools such as Visual Studio upgrade on a frequent… Read more

Moving to real time test discovery in Test Explorer

Real time test discovery is a new Visual Studio feature that uses a Roslyn analyzer to discover tests and populate the test explorer in real time without requiring you to build your project. This feature has been introduced in Visual Studio 2017 15.5 Preview 2 behind a feature flag. You can try it out by… Read more

Entity Framework 6.2 Runtime Released

Today we announce the availability of EF 6.2 runtime in NuGet.org. Entity Framework (EF) is Microsoft’s traditional object/relational mapper (O/RM) for .NET Framework. To understand the difference between EF6 and EF Core, please refer to our documentation. How to obtain the new package You can install EF 6.2 either using the “Manage NuGet Packages” option… Read more

.NET Core Performance Profiling with Intel® VTune™ Amplifier 2018

Last Updated: 2018-04-30 This post was written by Varun Venkatesan, Li Tian, and Juan Rodriguez, engineers at Intel. They are excited to share .NET Core-specific enhancements that Intel has made to VTune Amplifier 2018. We’re excited to have a new tool to use to help make .NET Core faster on Intel chips. Intel has been a strong partner… Read more

Experiment with Azure for FREE!

What is Azure? What can it do for me? Do I need it? How do I find out? How do I use it? Will it help my business? Can it help my career? With all the things Azure can do, it’s hard to know where to start answering these important questions. But there’s a really… Read more

Announcing the .NET Framework 4.7.1

Today, we are announcing the release of the .NET Framework 4.7.1. It’s included in the Windows 10 Fall Creators Update. .NET Framework 4.7.1 is also available on Windows 7+ and Windows Server 2008 R2+.  We’ve added support for targeting the .NET Framework 4.7.1 in Visual Studio 2017 15.5. The .NET Framework 4.7.1 includes improvements in several areas: Accessibility improvements… Read more

.NET Framework October 2017 Preview of Quality Rollup

Today, we are releasing the October 2017 Preview of Quality Rollup. This type of rollup is intended for businesses that want to the preview or use quality improvements as soon as they are available. Quality and Reliability This release contains the following quality and reliability improvements. CLR Code optimization bug for x64 C# code targeting… Read more

RyuJIT Just-in-Time Compiler Optimization Enhancements

I’d like to tell you about some of the recent changes we’ve made as part of our ongoing work to extend the optimization capabilities of RyuJIT, the MSIL-to-native code generator used by .NET Core and .NET Framework. I hope it will make for an interesting read, and offer some insight into the sorts of optimization opportunities we have… Read more

.NET Framework October 2017 Security and Quality Rollup

Today, we are releasing the October 2017 Security and Quality Rollup. The update applies to all supported Windows versions. It includes a known issue for Windows 10 1507 (see below). Security This release contains no new security updates. Quality and Reliability This release contains the following quality and reliability improvements. WPF WPF fails to load… Read more