Novidades no ReSharper 2026.1

Welcome to the ReSharper 2026.1 release overview. This version is designed to make everyday .NET development more comfortable and efficient, with:

Monitoramento de desempenho avançado

Marking a new step in the evolution of performance monitoring, ReSharper 2026.1 introduces the Monitoring tool window. Esta nova janela de ferramenta dedicada fornece uma visão mais clara e completa da performance em tempo de execução e oferece detecção automatizada de problemas para ajudar você a identificar oportunidades de otimização.

The Monitoring tool window lets you observe key runtime metrics of your application as it runs or during debugging. It builds on the capabilities already previously available through our .NET profiling tools and Dynamic Program Analysis (DPA), but brings them together in a single view that makes it easier to evaluate runtime behavior at a glance.

Starting with ReSharper 2026.1, the Monitoring tool window is available when using ReSharper as part of the dotUltimate subscription.

The Dynamic Program Analysis (DPA) feature will be retired in the 2026.2 release, while its core capabilities will continue to be provided through the new monitoring experience.

Current limitations:

The Monitoring tool window is not currently supported in Out-of-Process mode. We are working to remove this limitation in ReSharper 2026.2.

For more details on how monitoring works and how to use it, see our documentation.

Expansão para editores compatíveis com o VS Code

O ReSharper agora está disponível para o Visual Studio Code e editores compatíveis como Cursor e Google Antigravity, levando as ferramentas C# da JetBrains ao editor da sua escolha.

A extensão fornece análise de código em tempo real, refatoração e navegação para C#, XAML, Razor e Blazor. Também inclui o Solution Explorer para gerenciar projetos e geradores de código-fonte, além de suporte integrado para testes de unidade com NUnit, xUnit.net e MSTest.

O ReSharper para VS Code e editores compatíveis está disponível nas inscrições ReSharper, dotUltimate e All Products Pack. Uma inscrição gratuita também está disponível para uso não comercial.

Learn more in this dedicated blog post.

Suporte para linguagens

Melhor suporte para extensões C#

ReSharper 2026.1 expands its support for C# extension members, helping you work more efficiently with the evolving language features.

A new Consolidate extension members context action merges compatible extension declarations and classic extension methods into a single block. The Import extension member quick-fix has also been improved and now supports all kinds of extension members, automatically adding missing using directives when needed.

Também aprimoramos a navegação e a refatoração para membros de extensão. ReSharper can now decompile extension blocks and navigate to generated sources, and the Extension Method to Plain Static refactoring now works with methods declared inside extension blocks.

Early support for upcoming C# language features

ReSharper 2026.1 introduces early support for upcoming C# language updates, helping you experiment with new syntax as the language evolves.

This release includes initial support for collection expression arguments and support for the [ExtendedLayout] attribute, ensuring ReSharper continues to work smoothly with the latest compiler innovations.

New inspections and code style options

This release adds several new inspections and style options to help you write safer and more consistent code.

ReSharper now detects short-lived HttpClient instances and suggests safer reuse patterns. It also warns you when ImmutableArray<T> is used with collection initializers, which can lead to a runtime NullReferenceException.

Algumas outras melhorias:

  • A new inspection for enforcing the order of accessor methods in properties and events.
  • A syntax style option for empty strings, allowing you to choose between string.Empty and "".
  • Improved nullable reference type migration, with an option to insert #nullable enable automatically in new files.
  • Enhanced code completion that can generate method definitions based on [LoggerMessage] attributes.

Indexação, complementação de código e análise mais rápidas

This release brings several performance improvements across indexing, code completion, and code analysis.

Reestruturamos a indexação de membros de tipo anotados definidos em assemblies, tornando-a significativamente mais rápida e eficiente no uso de memória.

A complementação de importação agora está mais responsiva ao eliminar certos cálculos pesados.

We also optimized several performance-critical code paths by reducing costly interface type checks, resulting in faster code analysis and lower overall overhead.

Faster startup times and lower memory usage when working with Unreal Engine projects in ReSharper C++ 2026.1

C++ improvements

ReSharper 2026.1 improvements to C++ support include:

  • Performance: Faster startup times and lower memory usage in Unreal Engine projects.
  • Language support: Support for the C23/C++26 #embed directive, C++23 extended floating-point types, the C2Y _Countof operator, and other features.
  • Coding assistance: Auto-import for C++20 modules and postfix completion for primitive types, literals, and user-defined literal suffixes.
  • Code analysis: New inspections for out-of-order designated initializers and override visibility mismatches, update of bundled Clang-Tidy to LLVM 22.
  • Unreal Engine: Richer Blueprint integration in Code Vision and Find Usages, compatibility fixes for the upcoming Unreal Engine 5.8.

Saiba mais sobre as atualizações para o C++ na página Novidades do ReSharper C++ 2026.1.

Improved stability in Out-of-Process mode

We continue to improve the stability of ReSharper’s Out-of-Process (OOP) mode, which improves responsiveness and resilience by separating ReSharper’s backend from Visual Studio.

In this release, we resolved over 70 issues and made improvements related to the Out-of-Process architecture. As correções abordam problemas em uma ampla variedade de cenários, incluindo navegação (especialmente ações Peek), interações da Interface do usuário, sessões de testes de unidade e sincronização do estado da solução.

The .NET runtime used by ReSharper in Out-of-Process (OOP) mode has also been updated to .NET 10.

Interface de usuário aprimorada para complementação e janelas pop-up

Vários elementos da Interface do usuário do editor no ReSharper foram atualizados para alinhar melhor com o visual moderno da experiência do Visual Studio.

Graças ao novo design, a interface de usuário de complementação de código agora oferece uma aparência mais limpa e consistente dentro do editor.

Também modernizamos vários componentes relacionados da Interface do usuário, incluindo pop-ups de informações de parâmetros, dicas de ferramenta e outros pop-ups do editor, substituindo visuais desatualizados e melhorando sua aparência em todos os temas e configurações DPI.

The updated UI now supports Visual Studio’s editor zoom feature, ensuring completion lists and parameter info scale correctly when zoom levels change.