Update Notes For Jan 31 2026

Summary of changes:

* A new basic streamline tool, Tool Relax.
* Rendering performance in AO mode is improved.
* Some other new features and improvements.
* Some bug fixings.


Smoothing Uneven Surfaces
https://youtu.be/Q92vMN3ryNM

(Draw Mesh)Spline Tangent Control
https://youtu.be/o0HkPvNGD1k