.NET Tools

Visual Studio power users love ReSharper’s deep analysis, but the cost has been the occasional UI hiccup that breaks the flow of work. In ReSharper 2025.2, analysis runs in a separate 64-bit worker out of Visual Studio’s UI process. Previously, ReSharper shared Visual Studio’s UI process, so long an…

The 2025.2 release of ReSharper introduces a number of performance and responsiveness improvements across several key areas. This post outlines the most notable updates, including out-of-process support, improved solution startup, faster refactorings, and better Razor/Blazor handling. Out-of-Pr…

ReSharper and the .NET tools 2025.2 are available for download. This release introduces the public preview of ReSharper’s Out-of-Process mode, adds support for the latest C# 14 and C++26 features, and brings a range of improvements for performance, refactorings, and inspections. If you’d like to …

Rider 2025.2 delivers a big step forward in intelligent development tooling, bringing AI deeper into your workflow with Junie – our AI coding agent – along with runtime observability through the new OpenTelemetry plugin, a reworked Monitoring tool window, and improved debugging across platforms.&nbs…

Did you know? A feature of C# is null-coalescing operators. The ?? operator (null-coalescing operator) returns the left-hand operand if it is not null; otherwise, it evaluates and returns the right-hand operand. The ??= operator (null-coalescing assignment operator) assigns the right-hand opera…

We're making some changes to our .NET tools, and we want to give you an overview of what's happening and the reasons behind the changes. Some features you might be using are being discontinued or transformed, while others are getting significant refinements. We believe that these changes will allow …

The ReSharper and .NET tools 2025.2 Release Candidates are ready for you to try. This release introduces the public preview of ReSharper’s Out-of-Process mode, adds support for the latest C# 14 and C++26 features, and brings a range of improvements for performance, refactorings, and inspections. …

Rider 2025.2 is shaping up to be a big release – especially if you’re a game developer. This update introduces powerful new debugging features for Unity, Unreal Engine, and Godot, including source-level shader debugging, mixed-mode debugging for native and managed code, and stepping time improvement…

Did you know? Because of C#’s ability to use verbatim strings, you can use reserved keywords as variable names by prefixing them with the @ symbol. For example, var @class = new Class(); is a perfectly valid statement to make an instance of the Class class. But keep in mind - just because you could …

Share your .NET expertise with a global audience! JetBrains .NET Days streams live 8–9 Oct 2025. Submit your talk proposal by 15 Aug.