Kit SDK 107.3 Highlights#

This release focuses on practical tools for USD workflows, developer productivity, and graphics capabilities while maintaining enterprise deployment compatibility.

Performance#

  • Improved performance of frequent shader edits in FSD

  • Improved the robustness and usability of FSD for robotics use cases

USD Workflow Tools#

  • Layer Stack Window - Inspect and debug USD layer composition with a dedicated UI, similar to usdview usd_layer_stack_window

  • Composition Window - Visualize how composition arcs affect prims and properties across layers usd_composition_window

  • Reparenting Options - Choose how transforms are handled when moving prims:

    • Keep World Transform - Keep the prim’s world transform.

    • Inherit Parent Transform - Keep the prim’s local transform relative to its parent.

    • Ask per operation - Get a prompt to choose per operation.

      reparenting_options

Developer Tools#

  • VSCode Integration - New debugging commands to Resume after break and Detach after attach

  • Streaming Support - Add streaming capabilities to existing applications after creation

  • Service Management - omni.services.collect now available in public registry

Rendering#

  • DLSS 4.0 - Generate 2 additional interpolated frames on Blackwell GPUs

  • Dome Lighting - Support for Mirrored Ball and Angular texture formats

To view the full RTX Rendering release notes for Kit 107.3, see RTX Rendering Release Notes.

Materials#

  • USD Compatibility - Updated MaterialX support for USD 25.05