Lagrange Release v6.44.0

Dependencies

• 📌 Update vcpkg baseline for CMake 4 compatibility.
• 📌 Update TextureSignalProcessing dependency.

Infrastructure / CI

• 🏗️ Enable SPDLOG_USE_STD_FORMAT in C++20 preset.
• 🏗️ Fix cista include dirs.
• 🏗️ Add swap + use mold in open-source CI.
• 🏗️ Improve compiler cache (ccache/sccache) configuration.
• 🏗️ Fix sanitizer presets: mock polyscope backend + sequential MKL.
• 🏗️ Update .gitignore.
• 🏗️ Enable compile_commands.json generation for IDE support.
• 🏗️ Update cibuildwheel.
• 🏗️ Fix Xcode 26.4 compiler crash with Eigen matrix operations.
• 🏗️ Suppress GCC 13.x false-positive -Warray-bounds with sanitizers.

Core Module

• 🎨 remove_short_edges respects sharp features, boundaries and non-manifoldness.
• 🐛 Fix unify_index_buffer resize for isolated vertices with selected indexed attributes.
• 🎨 Support edge/point facets in mesh_to_volume.
• ✨ Add robust triangle_triangle_intersection() using exact predicates.
• 🎨 Update meshstat.py to report the number of UV charts and self-intersections.
• ✨ Add disconnect_uv_charts support.
• 🎨 Support mixed UV scalar types in uv_mesh, compute_uv_charts, compute_uv_overlap, repack_uv_charts.
• 🐛 Fix compute_barycentric_coordinates for coplanar triangles.
• 🎨 Add get_unique_attribute_name helper.
• 🐛 Support calling clear_edges() on a mesh with no edges.
• ⚡ Fix O(G×V) performance in separate_by_facet_groups via single-pass parallel submesh extraction.

BVH Module

• ✨ Add compute_intersecting_pairs() for self-intersection detection.
• 🎨 Add point cloud support for mesh distance computation.

IO Module

• 🎨 Add OBJ line element loading/saving with line_id attribute.
• 🐛 Fix glTF save/load for meshes without materials.
• 🎨 Fix 2D OBJ vertex output and weld indexed attributes in stitch_mesh.

Geodesic Module

• ✨ Add point-to-point geodesic path computation.

Texproc Module

• 🎨 Add timing instrumentation to texture compositing.

UI Module

• 🐛 Fix orthographic camera projection and view transform.

Python Bindings

• 🐛 Fix module name mismatch in stub.

JavaScript / WASM Bindings

• ✨ Add TypeScript bindings with WASM. 🎉
• 🎨 Add clone to JavaScript bindings.