System.runtime.compilerservices.unsafe Version 4.0.4.1 Download Instant

If you control the project, run:

If you absolutely need version 4.0.4.1, get it via NuGet. For anything else, use the latest stable version (8.0.0 as of this writing) or rely on the version that comes with your .NET SDK (for .NET Core 3.1+ and .NET 5+, it’s often included implicitly). If you control the project, run: If you

Without this package, features like System.Memory and modern JSON serialization would be much slower. If you control the project

dotnet restore or

The short answer is: But let’s break down what this package is, why version 4.0.4.1 exists, and how to handle it safely in 2025. why version 4.0.4.1 exists