102.1 Point Release
Features
Unreal 4.27 Preview 2 editor support added
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Add an export option to create a “material override” sublayer and material references (OM-31466)
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Add Omniverse Checkpoints on Save, Export, and Live Toggle (OM-31918)
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The USD DLLs are prefixed to allow the NVIDIA USD plugins to be loaded at the same time as the Epic USD plugins (OM-31328)
Note that some functionality in the plugins might be impacted due to both running at the same time
Add support for http/S3 references to allow for Omniverse skies, materials, and other assets from Create (OM-31892)
Add support for importing materials generated by the MDL Material Graph in Create (OM-31608)
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Bug Fixes
Add version control to USD DDC to prevent crashes when importing the same USD SkelMeshes with different editor versions (OM-31982)
Add MetersPerUnit stage value to DDC cache to prevent incorrect scale on importing
Fix invalid MDLs in Create when exporting using the Core library dependencies
Fix USD Domelight import material by normalizing the reflected vector to prevent scaling
Fix bounds for USD SkelMesh animation imports (EuclidVR sample)
Fix live editing material from the USD Skel which mixes with Mesh and GeomSubset
Fix importing tangent_space_normal_texture function from base module to fix normals on OmniPBR (OM-33899)
Fix check() when importing Automotive Materials Pack M_Opaque_Master (OM-33666)
Changes
Unreal 4.24 is no longer supported
Live Edit will automatically be disabled when opening/importing a USD stage (OM-31918)
Add support for HLSL clamp conversion to MDL clamp
Add support for importing/exporting “unpack integer as float function” (OM-30252)
Add support for converting hlsl rgb per-component operation for the variable and function to mdl (OM-30252)
Update MDL SDK to 2021.0 (344800.2052): 01 Jun 2021
Support loading specific material from the core material lib in preparation for material node graphs (OM-31608)
Omniverse Client Library update to 1.13