JetBrains brings Rider & ReSharper 2025.3 with Visual Studio 2026, .NET 10 & C# 14 support

JetBrains has released major new versions of Rider and ReSharper, providing significant updates for .NET and game development professionals. Rider 2025.3 now supports the .NET 10 software development kit, delivers a new Islands UI default theme, and includes enhancements in both performance and startup speed. This version introduces comprehensive support for C# 14 and brings improved code editing assistance to streamline development for users working on modern codebases.

Alongside these core changes, Rider 2025.3 delivers updates for the F# programming language, expands monitoring tools with better ASP.NET and database issue detection, and adds support for the Perforce MCP. For those developing games, Rider enhances its integration with Unity, Unreal Engine, and Godot, aiming to improve workflow across popular engines. The experience for inspecting OpenTelemetry traces has also been improved.

While Rider advances cross-platform development, ReSharper 2025.3 now fully supports Visual Studio 2026 and incorporates comprehensive C# 14 features. Performance improvements have been introduced, C++ 26 support is included, and the extension has returned to the Open VSX Registry for broader accessibility. Additionally, the TeamCity extension has been reintegrated via the dotUltimate installer.