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Scenes that use light filter disabling may see a large drop in memory use.
- Time to first pixel in scenes with millions of lights has been greatly reduced.
- LPE system now handles complex sets of LPEs more efficiently.
- Added support for writing shadow AOV holdout shadows to the beauty alpha channel for holdouts
- Some error messages for RiCurves now contain more info.
- We now allow layering of subsurface transmit gain in PxrLayer and PxrLayerMixer.
PxrOcclusion useAlbedo now requires Bxdfs to return a valid albedo user lobe otherwise black is assumed. This may result in a change the behavior for custom Bxdfs, visible lights, and hair geometry.
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