JetBrains has released the Rider 2026.2 Release Candidate, featuring native GitHub Copilot integration, agent skills that expose IDE intelligence (coverage data, profiler, code analysis) to AI coding agents, and significant performance improvements. Highlights include ~2.8s faster debugger launch on Windows, 2–3× faster branch switching in Roslyn solutions, ~2× faster Unreal Engine C++ indexing, WPF Hot Reload for XAML, a redesigned NuGet tool window, file-based C# app templates, and expanded game development support with new Godot tooling, CMake templates, and Natvis support on Linux and macOS.
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