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.NET Aspire 9.3 is here and enhanced with GitHub Copilot!
May 19, 2025
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.NET Aspire 9.3 is here and enhanced with GitHub Copilot!

Jeffrey T. Fritz
Jeffrey T. Fritz

.NET Aspire 9.3 is the biggest release of .NET Aspire yet, with the introduction of GitHub Copilot directly into the .NET Aspire Dashboard, updates for integrat...

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Use SignalR Sample Nuget package in VS2013 Preview MVC 5 Project
Aug 15, 2013
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Use SignalR Sample Nuget package in VS2013 Preview MVC 5 Project

Xinyang Qiu
Xinyang Qiu

We received feedback that the current 1.2 version SignalR sample Nuget package doesn’t work in an MVC 5 project by default. Here are the repro steps and the necessary change to make it work. 1. Create a C# MVC 5 project in VS2013 Preview 2. Install Microsoft.AspNet.SignalR.Sample NuGet package 3. This installs SignalR package version 1.1.3. In the SignalR.Sample/StockTicker.html file, the script link still links to 1.1.2, so change it to 1.1.3 first. 4. Run the application (I was using windows 8.1 preview with IE11), and get a JavaScript error: 5. What happened here is due to a bug in the 1.1...

NuGet 2.7 Release Candidate Available
Aug 14, 2013
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NuGet 2.7 Release Candidate Available

Jeff Handley
Jeff Handley

The NuGet 2.7 Release Candidate is now available, with an expected release before the end of August. If you encounter any problems with NuGet 2.7, especially any regressions, please file an issue on CodePlex right away and prefix the issue with "[NuGet 2.7]". Please note that we plan to include NuGet 2.7 in the final release of Visual Studio 2013, so the features and bug fixes in this release will be available in-the-box for all Visual Studio 2013 users. Acknowledgements We would like to thank the following external contributors for their significant contributions to NuGet 2.7: ...

Announcing the EventSource NuGet Package – Write to the Windows Event Log
Aug 9, 2013
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Announcing the EventSource NuGet Package – Write to the Windows Event Log

.NET Team
.NET Team

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 users in complex ways or reads unstructured input, as examples. An important quality tool is instrumentation, which makes diagnosing functionality and performance problems much easier. Starting with the .NET Framework 4.5, you can use the System.Diagnostics.Tracing.Event...

Building apps with the .NET Framework 4.5.1 Preview in Visual Studio 2012
Aug 8, 2013
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Building apps with the .NET Framework 4.5.1 Preview in Visual Studio 2012

.NET Team
.NET Team

Update (2017): See .NET Framework Releases to learn about newer releases. This post describes how to add targeting support for the .NET Framework 4.5.1 in Visual Studio 2012. It was written by Rich Lander, who worked on the original multi-targeting support in Visual Studio 2010. Here’s the question: You can. Visual Studio 2013 preview provides built-in support for targeting the .NET Framework 4.5.1 Preview, but you can also build apps that target the .NET Framework 4.5.1 using Visual Studio 2012. Here’s the short answer: The .NET Framework 4.5.1 Preview includes the .NET runtime, but doesn’t include the fi...

Building apps with the .NET Framework 4.5.1 Preview in Visual Studio 2012
Aug 8, 2013
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Building apps with the .NET Framework 4.5.1 Preview in Visual Studio 2012

.NET Team
.NET Team

Update (2017): See .NET Framework Releases to learn about newer releases. This post describes how to add targeting support for the .NET Framework 4.5.1 in Visual Studio 2012. It was written by Rich Lander, who worked on the original multi-targeting support in Visual Studio 2010. Here’s the question: You can. Visual Studio 2013 preview provides built-in support for targeting the .NET Framework 4.5.1 Preview, but you can also build apps that target the .NET Framework 4.5.1 using Visual Studio 2012. Here’s the short answer: The .NET Framework 4.5.1 Preview includes the .NET runtime, but doesn’t in...

Documentation updates for .NET 4.5.1
Aug 7, 2013
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Documentation updates for .NET 4.5.1

.NET Team
.NET Team

This post describes the changes that we’ve made to .NET Framework documentation for the .NET Framework 4.5.1. It was written by Cheryl Simmons, who works on the .NET Framework documentation team. In the recent preview release of the .NET Framework 4.5.1, we changed the way we update the documentation for the .NET Framework, refreshed the content to support the release, and made additional feedback-driven updates and fixes. This post describes the changes. Structural changes and markup We’ve tried something new for this release of the .NET Framework. You will see in-place updates and additions to the .NET F...

Documentation updates for .NET 4.5.1
Aug 7, 2013
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Documentation updates for .NET 4.5.1

.NET Team
.NET Team

This post describes the changes that we’ve made to .NET Framework documentation for the .NET Framework 4.5.1. It was written by Cheryl Simmons, who works on the .NET Framework documentation team. In the recent preview release of the .NET Framework 4.5.1, we changed the way we update the documentation for the .NET Framework, refreshed the content to support the release, and made additional feedback-driven updates and fixes. This post describes the changes. Structural changes and markup We’ve tried something new for this release of the .NET Framework. You will see in-place updates and additions to the .NET F...

Documentation updates for .NET 4.5.1
Aug 7, 2013
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Documentation updates for .NET 4.5.1

.NET Team
.NET Team

This post describes the changes that we’ve made to .NET Framework documentation for the .NET Framework 4.5.1. It was written by Cheryl Simmons, who works on the .NET Framework documentation team. In the recent preview release of the .NET Framework 4.5.1, we changed the way we update the documentation for the .NET Framework, refreshed the content to support the release, and made additional feedback-driven updates and fixes. This post describes the changes. Structural changes and markup We’ve tried something new for this release of the .NET Framework. You will see in-place updates and additions to the .NET F...

Wondering why mscorsvw.exe has high CPU usage? You can speed it up.
Aug 6, 2013
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Wondering why mscorsvw.exe has high CPU usage? You can speed it up.

.NET Team
.NET Team

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 culprit? If so, this post will help you resolve those performance issues. Mscorsvw.exe is a component of Windows, and is otherwise known as the .NET Framework Optimization Service. It optimizes your machine to launch apps faster. Most of the time, users do not notice mscorsvw. ...