.NET Tools

We traced a frontier model through fifteen C# refactoring tasks and counted what it reached for. It piped text into interactive commands 468 times. It called git 422 times and sed 392 times. It ran dotnet build 163 times. Across 2,513 tool calls it performed a structural refactoring operation exactl…

Our first minor update for the 2026.2 release cycle is ready to download. Here’s what’s new. Rider Rider 2026.2 put AI-assisted development front and center, and v2026.2.1 keeps that momentum going: The bundled refactoring-code skill helps AI agents refactor code faster and at lower cost. …

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With the rapid rise in agent-first development, many developers are adopting AI-first editors like Cursor, Google Antigravity IDE, Devin Desktop, and Kiro into their workflows. The appeal is obvious: deep, contextual AI assistance integrated directly into the coding surface. But if you write C# and …

Did you know? Ever wondered why C# uses the semicolon to terminate a statement? Obviously it comes from the C/C++ heritage it shares with other languages like Java, but where did C get it from? That would be Algol, where the semicolon was used to separate statements.  But why the semicolon? …

As .NET developers, we need to iterate on our applications while building, and part of that developer inner loop is the debugging experience. The rise of multi-platform code editors further requires developers to have all the functionality they need to build and debug their application out of the bo…

ReSharper C++ 2026.2 is out, bringing initial support for C++26 reflection, the most anticipated addition to the C++ language in recent years. This release also introduces ACP agent support in ReSharper with Junie as the first available agent, adds support for the ISPC language, and significantly…

Rider 2026.2 opens up the IDE's own intelligence to your AI coding agents, so they work from real project knowledge instead of reconstructing it from files and terminal output. A new set of agent skills covers testing, profiling, refactoring, and official Microsoft .NET workflows, and GitHub Copi…

ReSharper 2026.2 takes the first step toward ACP-based agent support in Visual Studio, starting with Junie in Preview. This is the beginning of an open AI ecosystem for .NET developers: your choice of agents and models, connected through a single protocol, paired with the code intelligence ReShar…

The Rider 2026.2 Release Candidate is ready for you to try. This upcoming release opens the IDE's own intelligence to your AI coding agents, brings GitHub Copilot in natively, and delivers a wave of performance gains across both .NET and game development. Rider 2026.2 makes debugger launch and br…