The "extra quality" promised by these unofficial sources is a myth. Authentic JetBrains tools provide: Regular Updates
ReSharper Ultimate: Elevating Code Quality with JetBrains is a comprehensive licensing package designed for .NET and C++ developers, bundling multiple powerful tools into a single subscription. It provides a robust set of features that extend beyond the standard capabilities of Microsoft Visual Studio, focusing on code quality, performance, and developer productivity. Core Components of ReSharper Ultimate The "extra quality" promised by these unofficial sources
These tools can corrupt official JetBrains binaries, leading to frequent crashes, performance degradation, and "extra quality" issues in Visual Studio. No Official Support: focusing on code quality