Physics2D LowLevel Extras is a package that contains extra scripts for use with the LowLevel 2D Physics features in Unity. This package is unsupported and is provided as example only to support the ...

In Unity 6000.3 and 6000.4 it existed in a "UnityEngine.LowLevelPhysics2D" namespace but in Unity 6000.5 it was moved to a "Unity.U2D.Physics" namespace and was also renamed from "Low Level Physics 2D ...