Release2 sources
ReSharper C++ 2026.3: Class Layout, Format String Analysis, And More
JetBrains Blog · By Igor Akhmetov ·
The Brief · written from 2 sources
- JetBrains released ReSharper C++ 2026.3 with a new Class Layout tool window that visualizes the memory layout of classes and helps spot wasted space.
- The release extends format string analysis to cover std::format, std::print, and the {fmt} library.
- ReSharper 2026.3 adds Claude Agent and Codex as agent options in the Visual Studio tool window alongside Junie, and supports .NET 11 and C# 15.
Why it matters
C++ developers using ReSharper C++ get a tool to find wasted space in class layouts and more format string checks for std::format, std::print and {fmt}. Visual Studio users of ReSharper get additional agent choices.
Who’s affected
- ReSharper C++ users
- ReSharper users in Visual Studio
- C# and .NET 11 developers using ReSharper
- ReSharper C++ 2026.3
- ReSharper 2026.3
- ReSharper 2026.2
- .NET 11
- C# 15
- #c++
- #resharper
- #jetbrains
- #static-analysis
- #visual-studio
- #dotnet
ReSharper C++ 2026.3 is here, with a new Class Layout tool window that visualizes the memory layout of your classes and helps you spot wasted space.. This release also improves format string analysis to cover std::format , std::print , and the {fmt} library. Other highlights…
Timeline
ReSharper C++ 2026.3 and ReSharper 2026.3 announced on the JetBrains Blog
The JetBrains Blog
ReSharper C++ 2026.3: Class Layout, Format String Analysis, And More
The JetBrains Blog
ReSharper 2026.3: Claude Agent and Codex in Visual Studio, .NET 11 and C# 15 Support, and More
Full coverage · 2 sources
- 2h ago ↗
The JetBrains Blog
ReSharper 2026.3: Claude Agent and Codex in Visual Studio, .NET 11 and C# 15 Support, and More - 7h ago ↗
The JetBrains Blog
ReSharper C++ 2026.3: Class Layout, Format String Analysis, And More