Summary of feature

Add support for both coordinate system for LookAt matrix. Like it is in Stride 3D Engine
https://github.com/stride3d/stride/blob/master/sources/core/Stride.Core.Mathematics/Matrix.cs

Or add some comments on the LookAt function to explicitely write the coordinate system. Or/And add it in the readme of the project

Comments

Does this have a proposal?

Check the documentation/proposals folder. If it doesn't have one, you may need to create one if you're making massive breaking changes.