What's new in ReSharper 2025.2

• Out-of-Process mode

• SQL and NoSQL support

• C# 14 Support:

  • Extensions (initial support, feature is in progress in compiler)

  • Partial events and constructors

  • Null-conditional assignment

  • User-defined compound assignment operators

  • Ignored preprocessor directives

• New refactorings, inspections, and completion items for [LoggerMessage]

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

• Performance improvements:

  • Razor: caches rework, faster Find Usages

  • Rename refactoring: faster plus better progress indication

  • Inplace refactorings optimization: less interference with typing

  • Improved hot startup performance for solutions with source-generated files

  • ReSharper build: less memory consumption, faster execution, assembly surface heuristic

  • Faster cache loading: weighted semaphore, and parallel I/O to load documents

• New features in C++:

  • Support for new language features:

    • C++26: variadic friends, = delete("reason"), placeholder variables, attributes for structured bindings

    • C11: _Atomic types

    • C23: _BitInt(N) types, decimal floating point

  • Coding assistance inside inactive #if-ed out code blocks

  • Unreal Engine:

    • showing blueprints that implement a UINTERFACE

    • code completion for BlueprintGetter and BlueprintSetter metadata

  • Support for variable references in OpenMP #pragma directives

  • New syntax style context action and setting to sort definitions by the order of declarations

  • Naming style for variables that hold a lambda

  • Formatter setting for space before the colon in a constructor initializer

  • ReSharper C++ features in source files that are not included in any build target in CMake and Open Folder projects

  • File Structure: syntax highlighting for keywords and identifiers, new icons to distinguish read-only and modifying operations

  • Inlay hints for arguments of the std ::initializer_list type

  • Ctrl-click on a virtual keyword navigates to the overriding functions (similar to how a Ctrl-click on override jumps to the base function)