4.2.0-usd.202.0

Release Date: March 2024

Fixed

• Scene Optimizer panel does not work with instanced meshes.

• Fix UsdPreviewSurface color space assignment on import.

• Calculate extents property for lights on export.

• Set shadow mode for alpha cutouts on USD import.

• Fixed issue where packed textures were modified on export. General improvements exporting packed textures.

• USD primvars with varying interpolation now imported as Blender attributes with “point” domains.

• Fix crashes exporting animating instances.

• Fixed issue where UDIM textures were unnecessarily packed into the Blender file.

• UDIM textures imported from UMM not loading.

• Fix relative path computation for URIs.

Improved

• Added displayName support.

• Add option to export only deform bones for armatures.

• Point instancer import support.

• Basic USD import hook support to allow users to define a custom on_import() Python callback.

• Add scale-bias processing for UsdUVTexture.

• Add channel processing for UsdUVTexture.

• Optionally author subdivision schema on export.

• Option to use original texture paths on export.

• Automatically set displayName metadata on objects, meshes, and materials at export if they contain non-ASCII characters.

• Support USD v23.11.with Python 3.11.

• Updated to USD Resolver v1.42.1 and Client Library v2.45.0.

• Merge Blender 4.2 main branch changes (up to commit c5d855b497 of February 22, 2024).

• UMM add-on updated through v203.0.6