v2.0

- Engine rewritten for performance: up to 100× faster generation (typical plot ~30 ms), ~3× faster smoothing.

- Relax/Smooth use Mean Value Coordinates weights: no self-made creases on irregular meshes.

- New: Edge Clearance (removes border spikes), Surface Smooth panel, Smooth Terrain tool (Object/Edit Mode).

- Preserve Shape is off by default (smoothest result for generated terrains).

- Fixed manifest for the official Extensions validator.

- Full tutorial included (README.md in English, README.pt-BR.md in Portuguese).

- Requires Blender 4.2 LTS or newer.