Released: Apr 16, 2025

Updates in 2025.1

Features

Language Features

• ReSharper C++ 2025.1 introduces support for several new GNU language extensions, including:
  • Conditionals with omitted operands.
  • #import directives.
  • _Float16, __bf16, and __float128 floating-point types.
  • Local labels.
  • Designated initializer range syntax.
  • Decimal floating-point types from C23.
• JetBrains have improved the capabilities of the constexpr evaluation engine. ReSharper C++ can now evaluate constexpr functions that contain switch statements, if statements with...

Released: Apr 3, 2025

Updates in 2024.3.7

Fixes

• Updating to xunit.v3 2.0.0 results in MethodNotFoundException.

Released: Jan 23, 2025

Updates in 2024.3.4

Fixes

• False positive 'Required member ... must be set in the object initializer' on generated files.
• Code cleanup processes incorrectly nullable context on new object creation.
• Testing Platform > Navigate to test does not work.
• Bug in the "Simplify with GetValueOrDefault" rule.
• Wrong suggestion for structs with primary constructor.
• Code analysis can't infer type arguments involving implicit casts, code compiles fine.
• Ref return with index array access reports incorrect "An expression cannot...

Released: Nov 13, 2024

Updates in 2024.3

Features

Performance improvements

• In ReSharper C++ 2024.3, JetBrains focused on optimizing memory usage in large solutions, resulting in a significantly smaller memory footprint. According to tests, memory usage after initial indexing is now approximately 20% lower for Unreal Engine and 30% lower for Chromium.
• These memory savings, combined with optimizations to reduce memory traffic, have also boosted indexing speed. For example, the initial indexing of the LLVM solution is now up to 10% faster...

Released: Oct 24, 2024

Updates in 2024.2.7

Features

• Added new option for 'RSAT' to skip checking updates.

Fixes

• Fixed problem with significant slowdown of 'cleanupcode' cmdline tool.

Released: Aug 15, 2024

Updates in 2024.2

Features

C++23 Support

• This release adds support for the multidimensional subscript operator. Using operator[] with several arguments lets you better support multidimensional containers and views.
• ReSharper C++ now also understands the #elifdef and #elifndef C++23/C23 preprocessor directives that complement the existing #ifdef and #ifndef directives.
• [[assume(<expr>)]] is a new attribute in C++23 that adds a portable way to provide additional information to the optimizer using an argument...

Released: Apr 9, 2024

Updates in 2024.1

Features

C++20 modules support

• Thanks to the updated process of module discovery, ReSharper C++ now supports internal partition units, which are module partition units that do not contribute to the external interface of a module. In other words, they are module partitions without an associated export module declaration.
• Reworked the internal representation of exported C++20 modules to facilitate transitive references to entities imported from other modules. Previously, these entities were re...

Released: Dec 6, 2023

Updates in 2023.3

Features

AI Assistant is out of preview [General Availability]

• JetBrains AI Assistant is now generally available with a number of new and improved features to increase your productivity. Our latest set of improvements includes better project awareness for AI Actions and a prompt library.
• You can use AI Assistant in ReSharper C++ as a supplemental feature with a JetBrains AI Service subscription.

HLSL and Unreal Engine updates

• HLSL 2021 introduced C++-like template functions and data types. The...

Released: Aug 2, 2023

Updates in 2023.2

Features

AI Assistant [Limited access]

• This release introduces the ReSharper AI Assistant - an AI-driven chat specifically designed to answer programming questions and help you with troubleshooting, refactoring, documenting, and other development workflows.
• ReSharper's AI Assistant takes into consideration the language and technologies used in your project. This context awareness tailors its responses right out of the gate, saving you time and effort.
• You can include parts of the source code in...