Version 0.3

Added

• Binaries for USD v23.08 with MaterialX 1.38.7
• Metainfo that UsdGlTF plugin does not support writing
• Support for KHR_materials_emissive_strength extension
• Support for KHR_materials_iridescence extension
• Support for KHR_materials_variants extension
• Support for KHR_texture_transform extension
• Warnings about unsupported optional extensions

Changed

• Disabled file glTF PBR implementation option on USD v23.08+ due to an internal crash
• Renamed 'tangentSigns' primvar to 'bitangentSigns'
• Updated Ecosystem Limitations document with latest USD/MaterialX versions

Fixed

• Normalmap UsdUVTexture:scale[3] not matching USD complianceChecker

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Notes on prebuilt binaries

Ensure that

• you have USD v23.08 with the required features built
• the environment variables are set appropriately
• the Python version matches

Prebuilt USD binaries can be found here.