Today, we released updates to both Visual Studio 2017 and Visual Studio for Mac. Start your download now while you browse the rest of this post: download Visual Studio 2017 version 15.6 or Visual Studio for Mac. We’ll trigger the update notification flag in the tools in the coming days.

Visual Studio 2017 version 15.6

Mar 06, 2018  Today, we released updates to both Visual Studio 2017 and Visual Studio for Mac. These updates include major performance improvements, fixes and new features to help you be more productive. The real time test discovery feature finds any C# and Visual Basic tests, even if you haven’t built your managed project. Corel Customer Service can assist you with orders, product registration, and any questions you may have.

I’ll highlight some of the major changes in this post, but to see the complete list of changes and features, please see our Release Notes.

Performance

We have kept working to improve many aspects of performance and with this update, three things stand out:

• This update makes solution load for managed code in particular much faster. Users of .NET Core will experience an average of 20% faster load times, with a more noticeable improvement for solutions with 30+ projects.
• The Debugger’s Threads window is even faster with this release. Now you can interact with Visual Studio while it processes data in the background, which is useful when you’re debugging multithreaded applications.
• Many VS customers run extensions, which can impact performance. To help you troubleshoot performance issues, this update adds notifications for extensions that may be causing UI delays. This notification lets you directly disable the extension to improve performance or turn off future notifications.

Unit Testing

Improvements to .NET Unit Testing include real time test discovery and we added the hierarchy view to improve the navigation experience in the Test Explorer.

The real time test discovery feature finds any C# and Visual Basic tests, even if you haven’t built your managed project. This feature uses Roslyn to update the Test Explorer in just seconds as you add, remove, or edit tests. We also added options to configure test discovery.

Improvements to unit testing for C++ include Boost.Test item templates and the added support for the Boost dynamic library. Also, Visual Studio automatically discovers your tests in CMake projects (CTest, Google Test, and Boost.Test). After you build, you’ll receive an even more granular view of your tests:

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C++

As part of our ongoing effort towards C++ 17 Standards Conformance, the C++ workload now includes support for stable_sort, partition, inline vector::emplace_back in parallel, and <memory_resource> as well as guaranteed copy elision so you don’t have to construct artificial copy or move constructor for types where copy elision will happen.

To make it easier to catch errors beyond your active configuration, IntelliSense errors for inactive configurations now appear as purple squiggles in the editor. You can set the number of configurations you want to process in Tools > Options > Text Editor > C/C++ > Advanced.

We also made C++ improvements for arithmetic overflow checks in C++ Core Check, single file code analysis, and throughput performance and advice. You can discover more features for increasing your productivity on our Visual C++ Team Blog.

.NET Mobile Development

This release adds a feature to configure your macOS build environment automatically, to make building iOS apps with Visual Studio on Windows easier. Visual Studio will handle the heavy lifting of setup, removing the need to install and update your Mac build machine manually.

We also added the ability for both Windows and Mac users to deploy iOS apps over the network with Wi-Fi debugging. To get started, simply pair a wireless device with Xcode, and use it as your deployment target.

Build Tools

The 15.6 Build Tools lets you build servers without a full Visual Studio installation. Build Tools now supports TypeScript and Node.js project types in addition to support for C++, ASP.NET, and .NET Core for Desktop projects. Other improvements to the MSBuild component of the Build Tools include the ability to easily and seamlessly leverage NuGet to resolve SDKs without extra package modification. We’ve created a SDK repository for the community to use. More information is available here, and please provide MSBuild feedback here.

Visual Studio for Mac version 7.4

Visual Studio for Mac version 7.4 is also available today. It includes improvements in performance and stability, as well as fixes for many of the top reported issues. This release includes support for macOS High Sierra and C# 7.1, and core architectural changes for C# editing (powered by Roslyn), resulting in improved IntelliSense performance and typing responsiveness.

You can read the complete release notes and access Visual Studio for Mac downloads on VisualStudio.com.

Share Your Feedback

As always, we want to know what you think. Please install Visual Studio 2017 Version 15.6 and Visual Studio for Mac and share your thoughts and concerns.

Please let us know any issues you have via the Report a Problem tool in Visual Studio. You can track your issues in the Visual Studio Developer Community where you can ask questions and find answers. You can also engage with us and other Visual Studio developers through our new Gitter community (requires GitHub account), make a product suggestion through UserVoice, or get free installation help through our Live Chat support.

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Today we released significant updates to both Visual Studio 2017 and Visual Studio for Mac. I’ll share some details in this post, but as always, there’s a lot more information in the release notes. If you’d like to jump right in, download Visual Studio 2017 version 15.5 and download Visual Studio for Mac.

Visual Studio 2017 Version 15.5

This update contains major performance improvements, new features, as well as fixes for bugs reported by you. Some highlights are mentioned below, for the full feature list check out the Visual Studio 2017 version 15.5 Release notes.

Performance. In this update we continued to improve performance. Solution load times for large C# and Visual Basic projects is nearly cut by half. The time to switch between debug and release is significantly reduced. It is faster to add, remove, and rename files and folders in .NET Core projects. Project templates should now unfold much faster than before. In the most exceptional cases, you can see up to a 40x improvement in unfold time. There are multiple performance improvements in F# tooling. We’ve added an “Only analyze projects which contain files opened in the editor” checkbox under the JavaScript/TypeScript Text Editor Project Options page. This option will improve performance and reliability in large solutions. Note that when this box is checked, you will need to perform a Solution build to see a complete list of TypeScript errors in all files.

Most notably, we have cut the solution load times for large C# and VB projects by half. The primary way we achieved this was by starting the design-time build process earlier and by batching the design-time build operations for all projects and executing them in parallel with other solution load operations. To see this in action, watch this video comparison loading the Orchard Content Management System solution before and after optimization.

Check out our detailed post to learn how we achieved this performance in large C# and VB projects. For those who missed the similar performance improvement we made for C++ projects in an earlier update check out this blog post on C++ solution load and build performance improvements.

Diagnostics. The Visual Studio debugger got considerably more powerful with the addition of step-back debugging, also known as historical debugging. Step-back debugging automatically takes a snapshot of your application on each breakpoint and debugger step you take, enabling you to go back to a previous breakpoint to view its state. Check out this post from Deborah that details out this capability and how to make the most of it – step-back while debugging with IntelliTrace. For more on diagnostics and debugging, also look at our post on lesser known debugging features.

Docker and Continuous Deployment. Visual Studio has featured good Docker support for a while. With this release we have taken it further. Docker containers now support multi-stage Dockerfiles. The continuous delivery features make it easy to configure Visual Studio Team Services to set up CD for ASP.NET and ASP.NET Core projects to Azure App Service

Secrets management. Visual Studio has added features to help identify and manage secrets like database connection strings and web service keys. We have a preview of support for credential scanning that can easily read through your source files to ensure you don’t unintentionally publish key secrets into your source repo. And the integrated support for Azure KeyVault gives you an easy place to publish those secrets (and get them out of your source code). Check out this post to learn how to manage secrets securely in the cloud.

Azure functions. The Visual Studio tools for Azure functions has gotten a notable improvement, with the ability to use .NET Core. Learn about added support for creating .NET Core Azure Functions apps, as well as improving the experience for creating new Function app projects.

Mobile development with Xamarin. A major milestone in this release for mobile development was the addition of the Xamarin Live Player, which enables developers to continuously deploy, test, and debug their apps using just Visual Studio and an iOS or Android device. This release adds support for Android emulators, enabling developers to preview real-time XAML changes directly in the Android emulator without requiring a re-compile and re-deploy.

We have also added the ability to File → New → Mobile App with Xamarin.Forms and .NET Standard, and migrated all project templates to use PackageReference for easy NuGet package management.

Unit Testing. We’ve improved the unit testing experience for both managed languages and for C++. C++ developers will notice integrated support for Google Test and Boost.test (add them through the Visual Studio installer in the desktop development workload). We already mentioned feature behind a feature flag called source-based test discovery that hugely improves test discovery performance. And the Live Unit Testing (LUT) is better integrated with the task notification center and now supports .NET Core (starting in Visual Studio 2017 15.3) as well as MSTest v1. Be sure to check out this post for an overview of the various text experience improvements in Visual Studio 2017 version 15.5.

Web development. If you are an Angular 2 developer you will now see errors, completions, and code navigation in inline templates and .ngml template files. See the sample repo for an overview and instructions. Other updates in the web space include improvements to Razor syntax formatting and improvements in the workflow for publishing ASP.NET applications to Azure Virtual Machines.

Visual C#. VS 15.5 adds support for C# 7.2 features like Span<T>, the readonly struct modifier And the private protected access modifier.

Visual C++. We already talked about the support for Google Test and Boost.test, and C++ developers will also see improvements to the Standard Template Library for C++ 17 standards. Check out the Open Standards website. The VC++ compiler supports 75% of the C++ 17 features. In addition, the team has added new optimizations to the compiler.

Visual F#. We added .NET Core SDK project support to the F# tooling so you can now create new .NET Core console apps, .NET Standard libraries, and .NET Core unit test projects from File > New Project, for example, and we added support for project-to-project references. You can also you can now right-click Publish tooling with Web SDK projects and the continuous delivery features will now autogenerate a CI/CD pipeline with Visual Studio Team Services tooling.

Source control. You can now work with Git submodules and worktrees, and configure fetch.prune and pull.rebase in Team Explorer. Visual Studio now treats Git submodules and worktrees like normal repos. Just add them to your list of Local Repositories and get coding!

Reliability. The Visual Studio Installer now supports modification and uninstallation of each entry, improving the installer experience. On the note of the crashes caused by the PenIMC.dll that some of you may have run into, Windows is currently working on a root fix. Meanwhile, we wanted to ensure we helped those of you still running into crashes when trying to scroll, click, or interact via touch in Visual Studio. To activate the workaround, disable touch scrolling by checking the “Disable Touch Scrolling” under Tools > Options > Environment > General and restart Visual Studio.

Available in the Azure Marketplace. With an Azure subscription, you can provision a VM with VS 15.5 through the Marketplace. Get all the benefits without waiting for the install!

Visual Studio for Mac

VS for Mac 7.3 is also available today. The highlights of this release are:

Visual Studio Test Platform (VSTest) support. Visual Studio for Mac now supports a wider variety of test frameworks through the integration of VSTest, giving developers more choice in the test frameworks they want to use. Frameworks such as MSTest or xUnit can now be used within Visual Studio for Mac via NuGet adapter packages.

New Roslyn based refactorings. The editor in Visual Studio for Mac has improved support for refactoring, helping developers write more maintainable code. “Generate From Usage”, “Change Method Signature”, and “Extract Interface” are now offered as refactorings within C# code.

Updater support for .NET Core. Visual Studio for Mac will now check to see if the .NET Core 2.0 SDK is installed when checking for updates. If not, developers can easily download and install it via the Visual Studio Update dialog instead of the previous manual installation.

Automatic iOS app signing. Visual Studio for Mac now offers automatic signing of iOS apps, boosting developer productivity by reducing the number of manual steps required to prepare iOS apps for distribution.

Additionally, a lot of the improvements in this update center on reliability. Improvements were made to decrease memory usage, increase performance, and decrease crashes. Many of these fixes have been made possibly by community feedback, which has been provided through the Developer Community.

The complete release notes are available on visualstudio.com, which is also where you can find the Visual Studio for Mac downloads.

Share Your Feedback

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As always, we welcome your thoughts and concerns. Please install Visual Studio 2017 Version 15.5, and Visual Studio for Mac and tell us what you think.

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For issues, let us know via the Report a Problem tool in Visual Studio. You’ll be able to track your issues in the Visual Studio Developer Community where you can ask questions and find answers. You can also engage with us and other Visual Studio developers through our new Gitter community (requires GitHub account), make a product suggestion through UserVoice, or get free installation help through our Live Chat support. Need professional support right now? See available support options.