v0.4.0

0.4.0 (2026-04-19)

Features

• brep: add divergence theorem volume with OCCT mesh hybrid triangulation (#36) (38d1e95)
• brep: add divergence_volume API, remove GWN volume, add ADR-0016 (#37) (e521a44)
• brep: add parametric mesh evaluation for design optimization (#39) (b18a222)
• metrics: add differentiable curvature field metric (#30) (4fc649e)
• nurbs: add 2D trim polygon extraction and differentiable trim indicator (#34) (b8043a3)
• nurbs: add parametric trim bounds for BSplineSurface (#33) (7982cbb)

Bug Fixes

• nurbs: correct BSpline SDF sign and prevent Newton divergence (#35) (18cf05b)

Performance Improvements

• nurbs: coarse initial guess and reduced Newton iterations (#32) (36d27d2)

Documentation

• update README and index for v0.4.0 divergence theorem features (#40) (8ab7917)

Miscellaneous Chores

• release 0.4.0 (#41) (136cba9)