What's new in ReSharper 2025.3

• Full compatibility with Visual Studio 2026

• C# 14 support improvements:

  • C# 14 extension members

  • User-defined compound assignment operators

  • field keyword support is aligned to the recent changes in the compiler

  • User-defined compound assignment operators

  • Ignored preprocessor directives

• Generate try-catch block from the <exception> tags in documentation comments

• ReSharper inspections that match Roslyn IDE inspections respect the Roslyn configuration

• Performance improvements:

  • Faster startup and shutdown

  • Faster Find Usages

  • Faster initialization of the solution-wide analysis on cold startup

  • Improved assembly surface heuristic in ReSharper Build.

• Out-of-Process mode improvements:

  • Reduction in freezes and focus-related issues when switching between the editor and ReSharper pop-ups

  • View and edit related code in Peek Definition view support

  • Navigate to Object Browser support

  • NuGet Browser operation restored for package management tasks

• New features in C++:

  • C++26: pack indexing, expansion statements, packs in structured bindings, concept and variable templates as template-template parameters, and contracts.

  • Improved constexpr evaluation

  • Unreal Engine:

    • Warm startup is now up to 30% faster

    • Support for the changes to the Sparse Class Data system introduced in UE 5.6

    • The Rename refactoring now correctly updates references inside UE_INLINE_GENERATED_CPP_BY_NAME macros.

    • New formatter setting to indent declarations after UFUNCTION and UPROPERTY.

    • Support for the latest updates to the asset file format.

  • The bundled clang-tidy binary has been updated to Clang.