Fixed accidental change to Merge LOP output with no connected inputs.

Added new configuration keys to the HQueue server configuration file, hqserver.ini, for controlling the `waitress` web server component in the HQueue server. Specifically, new `ignore_logging` and `threads` keys are supported under the `[waitress]` section.

Added new configuration keys to the HQueue server configuration file, hqserver.ini, for controlling the `waitress` web server component in the HQueue server. Specifically, new `ignore_logging` and `threads` keys are supported under the `[waitress]` section.

'Material Builder' re-labeled to 'VEX Material Builder', to clarify the types of shaders found insde.

Render delegate developers can now put environment variables in the "menulabel" field of their UsdRenderers.json file, and they will be expanded in the render delegate menu in the viewport.

Updated the USD library to incorporate a fix for https://github.com/PixarAnimationStudios/USD/issues/1902, which caused errors running usdchecker on USD files with internal references.

Improved raster space measurement for distant or small subd mesh to avoid popping in level of detail transition. KARMA_IMPROVED_SUBD_LOD environment variable must be set to 1 to enable it (disabled by default for compatibility).

Improved raster space measurement for distant or small subd mesh to avoid popping in level of detail transition.

Fixed a bug where toggling subdivision off and on in IPR when the mesh is far from camera or has very low dicing rate may cause incorrect shading in the viewport.

Render delegate developers can now put environment variables in the "menulabel" field of their UsdRenderers.json file, and they will be expanded in the render delegate menu in the viewport.

Render delegate developers can now put environment variables in the "menulabel" field of their UsdRenderers.json file, and they will be expanded in the render delegate menu in the viewport.

Removed deprecated foliage bake type.

Fixed partially loaded landscapes in World Partition levels not being given the correct transform.

When baking in mantra and tracing against a cage, the uvlens shader now respects the "flipnormal" toggle.

Karma CPU now supports the "samples" keyword in the gather statement when running VEX shaders.

Fixed an HQueue bug where it failed to submit jobs for all input nodes in a ROP chain if there were Fetch ROPs in the chain. This is when submitting jobs from the HQueue Render ROP.

Fixed an HQueue bug where it failed to submit jobs for all input nodes in a ROP chain if there were Fetch ROPs in the chain. This is when submitting jobs from the HQueue Render ROP.

Fixed an issue World Partition Landscapes would be offset if partially loaded in Unreal.

Fixed a bug where toggling subdivision off and on in IPR when the mesh is far from camera or has very low dicing rate may cause incorrect shading in the viewport.

Edit Properties LOPs that are setting "token array" attributes now do the same parameter parsing that was already being done for "string array" attributes. This allows quotes to be used to add tokens with spaces or other special character in them. The old behavior was based on an erroneous assumption that USD "tokens" could not contain spaces.

Edit Properties LOPs that are setting "token array" attributes now do the same parameter parsing that was already being done for "string array" attributes. This allows quotes to be used to add tokens with spaces or other special character in them. The old behavior was based on an erroneous assumption that USD "tokens" could not contain spaces.

Fixed an accidental behavior change in the Merge LOP. The root prim metadata from the first input is now passed through to the output stage as expected.

Fixed an accidental behavior change in the Merge LOP. The root prim metadata from the first input is now passed through to the output stage as expected.

Support UNC paths for foreground and background images in the Camera LOP.

Support UNC paths for foreground and background images in the Camera LOP.