ReSharper 2020.1 Help


With unparalleled support for C#, VB.NET, C++, XAML, JavaScript, TypeScript, JSON, XML, HTML, CSS, ASP.NET, ASP.NET MVC, Protobuf, NAnt and MSBuild scripts including comprehensive cross-language functionality, JetBrains ReSharper will help any Visual Studio user write better code, easily examine and refactor existing codebases.

You can spend less time on routine, repetitive manual work and instead focus on the task at hand. A robust set of features for automatic error-checking and code correction cuts development time and increases your efficiency. You will find that ReSharper quickly pays back its cost in increased developer productivity and improved code quality. With ReSharper, .NET developers can truly experience what we mean when we say "The drive to develop".

If you landed on this page from ReSharper Help menu and you have the dotUltimate subscription, you might be interested in documentation for other JetBrains .NET products included in this subscription:

ReSharper features

ReSharper 2020.1 helps you improve your productivity by offering the following features:

Supported languages

The features of ReSharper 2020.1 are available in the following languages (including language injections):

  • C# is fully supported up to C# 8.0. For more information on configuring C# version, see ReSharper by Language: C#.

  • Visual Basic .NET is supported up to VB 14 and partially VB 15.

  • C++ support includes C, C++03, C++11, C++14, C++17, C++/CLI, and partially C++20. ATL, MFC and COM projects are supported.

  • HTML is supported up to HTML 5.

  • ASP.NET is supported up to version 4.0 and ASP.NET MVC up to version 5.0. Both the Web Site Project and the Web Application Project models are supported.

  • JavaScript is supported up to ECMAScript 2016, including experimental features such as async/await, exponentiation operator and rest/spread in object literals/destructuring. jQuery and JSX syntax are supported as well.

  • TypeScript is supported from v. 1.4 to v. 3.0.

  • CSS is supported up to 4.0.

  • XML is supported up to version 1.1.

  • XAML The latest supported Silverlight framework version is Silverlight 5. ReSharper recognizes symbols declared in XAML files and resolves references.

  • Build scripts of MSBuild and NAnt are supported.

  • JSON and JSON schema are supported.

  • Protobuf support are available for versions 2.x and 3.0.

To check the details of features in the supported languages, you can use ReSharper feature matrix or study the corresponding topics in the ReSharper by Language section.

Products and licenses

Considering the different needs of our users, we offer different products and licenses:

  • ReSharper
    Provides features for all supported languages and technologies, including cross-language functionality.

  • dotUltimate
    This license allows you to use ReSharper as well as dotTrace, dotCover, and dotMemory.
    With this license, you can additionally use JetBrains Rider— a standalone cross-platform .NET IDE.

  • All Products Pack
    As its name suggests, this license gives you access to all JetBrains desktop products.

Depending on the license you have, the set of products will be activated automatically. During the evaluation period, all installed JetBrains .NET products are available. If necessary, you can disable some of them on the Environment | Products & Features page of ReSharper options (Alt+R O).

General requirements and compatibility

The list of supported .NET Framework and Visual Studio versions as well as system requirements are available on the product website.

Also in this section

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Last modified: 06 August 2020