cadf3bdedd
Add a changelog entry documenting that flex elasticity (stretch, bending, interpolation stiffness) is now integrated implicitly inside the CG constraint solver via an effective metric, replacing the previous post-hoc CG correction. PiperOrigin-RevId: 948963146 Change-Id: Id9c2a2920aabd0776f630b2f3a1ab30a214d9bf2