The JetBrains Blog

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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 …

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 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 ReSharper 2026.2 Release Candidate is ready for you to try. This release takes the first step toward ACP-based agent support in Visual Studio, starting with Junie in Preview, and sharpens everyday C# development with better analysis, refactoring, and .editorconfig integration. It also brings …

We're excited to announce that the Early Access Program (EAP) for ReSharper and .NET Tools 2026.2 is now underway! While our EAP announcements usually cover a wide range of new features, performance updates, and bug fixes, this release is different. We are dedicating this first preview entirely t…

The ReSharper 2026.1 Release Candidate is ready for you to try. This release focuses on making everyday .NET development faster and more predictable, with improvements to code analysis and language support, a new way to monitor runtime performance, and continued work on stability and responsivene…

ReSharper has been a trusted productivity tool for C# developers in Visual Studio for over 20 years. Today, we’re taking the next step and officially releasing the ReSharper extension for Visual Studio Code and compatible editors. After a year in Public Preview, ReSharper has been refined to brin…

We’ve just released another update for ReSharper, Rider and the .NET tools version 2025.3. You can update to this version from inside those tools, using the Toolbox app or our website.  Let’s take a look at the latest updates.  Rider 2025.3.2 Agent Client Protocol (ACP) agent regi…

The ReSharper 2026.1 Early Access Program is now open, and the first EAP build brings a mix of C# productivity improvements, new inspections, performance work, and expanded C++ language support. As always, EAP builds are an opportunity to try upcoming features early and help us refine them before…

Since the 2025.3 release, we’ve published several rapid-response updates (2025.3.0.1–2025.3.0.4) for ReSharper and Rider to address the most urgent issues as quickly as possible. The 2025.3.1 update brings all of those fixes together and includes additional improvements that required more time to im…

Another set of updates for the 2025.3 versions of ReSharper and Rider has just been released. This release contains important bug-fixes as well as feature updates. Let’s take a look at what’s been improved. Rider 2025.3.0.4 Multi-agent experience in the AI Chat window: Junie and Claude Agen…