.NET Tools

Did you know? The async and await keywords in C# were introduced in C# 5.0 (2012) to simplify asynchronous programming. Under the hood, the compiler uses a state machine to transform your asynchronous code into manageable tasks. As a developer, you never need to worry about that complexity. …

Overview: What are extension members? Extension members allow you to define additional members for existing types without modifying their definitions. With them, you can add functionality to existing types you don’t have access to or don’t control, for example, built-in types or types from an API…

Did you know? C# allows digit separators (_) in numeric literals to make large numbers more readable, e.g., int num = 1_000_000; is valid and equals one million. Welcome to dotInsights by JetBrains! This newsletter is the home for recent .NET and software development related information. 🔗…

At JetBrains, we love seeing the developer community grow and thrive. That’s why we support open-source projects that make a real difference – the ones that help developers learn, build, and create better software together. We’re proud to back open-source maintainers with free licenses and contribut…

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…

As we approach the midpoint of the decade, game developers face an evolving landscape shaped by shifting job security, technology choices, platform strategies, and practical AI adoption. Our State of Game Development 2025 report reveals critical insights that provide a clearer picture of where the industry is heading.

If you've ever expanded a complex Unreal Engine variable in Rider's debugger and had time to contemplate your life choices, this post is for you. We've rewritten our expression evaluator, and the results are dramatic: Variable inspection is up to 87 times faster on warm runs and 16 times faster o…

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…

The Early Access Program (EAP) for Rider 2026.1 has just begun, and the first preview build for the upcoming major release is already out.  There are several ways for you to get your hands on the first preview build: Download and install it from our website. Get it via the Toolbox App…

Did you know? In C# default interface methods allow you to include a method implementation directly in an interface. Welcome to dotInsights by JetBrains! This newsletter is the home for recent .NET and software development related information. 🔗 Links Here’s the latest from the develope…