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• Light filters are currently not supported

• Mesh lights currently do not function as expected

• Light filter linking is not available

• PxrEnvDayLight and PxrAovLight are not supported

• Custom light plugins are not supported 

• Portal lights are not supported
• We do not support the light handle operation to match the normal or shading attributes of a surface

Interactive Rendering

• CropWindows Crop Windows are not available.  Crop Windows do work with 24.2 and later within Houdini 19.
• Bucket Order and Bucket Origin options do not work as expected
• Interactive denoising is not available
• PxrMaterial Builder nodes to not work as expected
• A small group of options within the RenderSettings node do not apply to interactive renders.  For example, maximum thread count.

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• NURBS and Implicits not supported
• Nested Instances are pre-expanded

Shading

• txmake must be run manually on textures
• The dynamic array node is not expected to work in Solaris for the initial release

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