System.runtime.compilerservices.unsafe - Version 4.0.4.1 Download New!

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).

Use code with caution. Copied to clipboard If you absolutely need version 4

Delete the bin and obj folders. A stale DLL often causes this conflict. Dependency Conflicts Copied to clipboard Delete the bin and obj folders

The System.Runtime.CompilerServices.Unsafe package provides low-level support for unsafe operations without requiring the developer to enable the unsafe compiler flag in their own projects. It offers methods like AsRef , AsPointer , and SizeOf , which allow libraries to manipulate memory directly. It offers methods like AsRef , AsPointer ,

The version number 4.0.4.1 follows the NuGet versioning scheme. This particular release is not the latest (as of 2026, versions have advanced to 6.x and 8.x ), but it remains relevant for specific scenarios:

Change the file extension from .nupkg to .zip to extract the DLL manually if needed. Troubleshooting Common Issues Version Mismatch Errors