Slimdx Version 4.0.13.43 !!hot!!
Version 4.0.13.43 included the "January 2012" SDK updates, which were among the last major iterations of the project. C# DirectX API Face-off: SlimDX vs SharpDX - Katy's Code
The version numbering of SlimDX followed a specific convention. The "4.0" portion indicated the major framework version, often aligning with the .NET Framework 4.0 release, which was a significant jump in runtime performance and capabilities at the time. slimdx version 4.0.13.43