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• New Features:
  • Added new PxrLightFilter, PxrDisplayFilter, PxrSampleFilter, PxrIntegrator LOP nodes
  • Added Support for PxrMeshLight in Solaris. There is a new LOP node to set a mesh as a mesh light
  • Support pinned curves in Houdini 19.5
  • Visualizer node (pattern soloing) now supported. This also supports soloing Lama BXDF nodes in a network.
• Changes
  • Nested instancing is now supported for instancer nodes, which can bring significant performance improvement.
  • Significantly improved performance of processing of many instances at the start of a render.
  • Improved support for velocity motion blur.
  • Husk --snapshot 0 disables checkpointing.
  • New "import into selected material library" behavior in the preset browser
  • Rendersettings should match RenderMan defaults more closely.
  • Volume "fieldIndex" attribute is now supported.
  • No longer need array node to set MatteID.
  • Support for rendering OpenEXR images with overscan.

  • Support velocity and angularVelocity on point instancers.

• Bug Fixes
  • UsdSkel no longer culls time samples after 4.
  • For the RenderMan LOP, fixed LPE Lobe Mappings parameters so they are correctly passed to the Usd StageUSD Stage.
  • "light group" and "visible in refraction" light attibutes now correctly working.

  • Fixed a bug where materialX shaders wouldn't be correctly generated if an upstream node was both part of a pattern network and also directly connected to the material node.

  • Fixed a bug in UsdPreviewSurface support for normal maps, which could lead to artifacts.

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RenderMan For Maya

• Bug Fixes:
  • A bug that caused Maya to Fixed a crash when it is unable to checkout a license for the material viewer and swatch renders has been addressed.
  • A Fixed a bug that was causing RfM to use the a wrong filename for the denoiser when illegal characters (ex: ':') were in the camera name has been addressed.
  • Fixed bug where rman materials would lose connections when exported from maya as usdUSD.
  • Fixed a bug where presets saved for stylized looks wouldn't import correctly.
  • Fixed a bug where mayabatch renders were not respecting the integrator type from the globals.
  • Fixed a bug where on windows textures weren't always converted properly for shading networks generated by Substance for Maya.

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