Kit 107.3.1 Release Notes#

Release Date: June 2025

Kit SDK#

Fixed#

  • Fabric Scene Delegate - Referenced remote assets from http only partially loads with FSD enabled. [OMPE-52668]

  • Fabric Scene Delegate - “FabricSceneDelegate internal issue..” error is logged when attaching physics rigidbody or collision api to a prim. [OMPE-51331]

  • Fabric Scene Delegate - Some mesh primitives will be created with incorrect normals and disappear from viewport on save. [OMPE-50266]

  • Fabric Scene Delegate - Crash with mismatched semantic array and paths sizes. [OMPE-50119]

  • Fabric Scene Delegate - Issue toggling visibility on referenced prims with Fabric Scene Delegate enabled. [OMPE-44711]

  • Fabric Scene Delegate - Deleting UsdGeomPoints prim does not update in viewport. [OMPE-33319]

  • Hub - Fix launch issue when installed in non-default locations. [OMPE-47504]

  • Kit SDK - Adding a Reference or a Payload to a prim that resolves to a relative path causes an error and the reference is not created. [OMPE-52452]

    [Warning] [omni.usd._impl.utils] Failed to resolve asset path ./<relative_path>/.usd, using the original filepath to check crate file info.

    [Error] [omni.usd._impl.utils] Failed to open crate file ./<relative_path>/.usd

  • Kit SDK - Cancelling out of sign-in workflow can cause Kit to hang. [OMPE-49994]

  • Kit SDK - Schema API window does not reopen after being closed. [OMPE-49666]

  • Kit SDK - Fixed issue with sliders when when min and max are not defined. [OMPE-48505]

  • Kit SDK - The context menu on XformOps in the Properties pane is missing Disable/Delete options on most Ops. [OMPE-47953]

  • Kit SDK - Fixed a memory leak of Python frame objects for each coroutine. [OMPE-45029]

  • Omnigraph - Fixed animation playback issue with graphs using Shared Fabric backing when referenced. [OMPE-51306]

  • Replicator - Fixed an issue causing excessive memory usage after creating RenderProducts. [OMPE-51275]

Improved#

  • Kit SDK - Handle situations where a nested asyncio.run call inside the kit async-engine framework throws an exception. [OMPE-50324]

  • Kit SDK - Improved performance when translating large amounts of prims. [OMPE-48893]

  • Kit SDK - Updated sentry-sdk Python module to 2.29.1 [OMPE-47645]

  • USD - Updated to use libTIFF 4.7.0 [OMPE-42704]

Rendering#

Fixed#

  • KitXR - Resolved potential numerical instability when computing intermediate values from foveation parameters [OMPE-50199]

  • RTX - Crash due to lingering data in mesh build scratch with Clash Detection. [OMPE-52317]

  • RTX - Fixed an issue where an incorrectly configured lidar sensor could cause a CUDA crash. [OMPE-50685]

  • RTX - Fixed an issue where OpenEXR files were being written with the displayWIndow metadata having an extra pixel. [OMPE-50305]

  • RTX - Fixed an issue with tiled rendering and matte objects causing flickering in all but the first tile. [OMPE-50259]

  • RTX - Fixed an issue causing incorrect results with OpenCV fisheye distortion model. [OMPE-49989]

  • RTX - Fixed an issue where reducing the render resolution would cause the render to become corrupted. [OMPE-49802]

  • RTX - Fixed an issue where depth was not properly composited with NuRec volumes when using matte objects. [OMPE-49471]

  • RTX - Fixed an issue where invalid shader prims would generate continuous error output when Fabric Scene Delegate was enabled. [OMPE-48847]

  • RTX - Fixed a missing dependency on omni.sensors.net in omni.sensors.nv.lidar. [OMPE-44250]

  • RTX - Fixed a rare crash related to texture streaming. [OMPE-41761]

  • RTX - Fixed a descriptor pool initialization error reported in Isaac Sim and Isaac Lab. [OMPE-40889]

  • RTX - Fixed an issue where resetting displayColor primvar does not update in the viewport. [OMPE-28865]

Improved#

  • RTX - Reset node outputs in LidarPointAccumulator when there is no new full scan. [OMPE-52249]

  • RTX - Optimized updates of NuRec volumes on attribute changes when not using Fabric Scene Delegate. [OMPE-48452]

  • RTX - Updated Iray libraries. [OMPE-47974]