--- title: "RenderMan for Houdini Release Notes" canonical: "https://rmanwiki-26.pixar.com/space/RFH26/19267641/RenderMan%20for%20Houdini%20Release%20Notes" format: markdown --- ![image](media://97580061-2e48-4a9f-8ce1-df0cfec0acf2) ### Welcome to RenderMan for Houdini 26! RenderMan for Houdini (RfH) continues full support of the latest RenderMan.  See the [RenderMan Release Notes](https://renderman.atlassian.net/wiki/spaces/REN26/pages/19662087) for more details. This current release offers support for: - Houdini 20.5 (including Solaris) - Houdini 20.0 (including Solaris) - Houdini 19.5 (including Solaris) - Houdini 19.0 Please see the release notes below for all the new capabilities and known issues.  See the [Installation of RenderMan for Houdini](https://renderman.atlassian.net/wiki/spaces/RFH26/pages/19268152) page for the list of specific production builds RfH works with. > ℹ️ Rendering with RenderMan will not operate on Houdini Apprentice editions, see SideFX's website for options that allow Third Party Rendering ### Known Limitations #### Solaris - Mesh Lights currently only work with RIS on Linux & MacOS systems - Only one material per material library can be saved to the preset browser at this time. - Due to a SideFx limitation, there are some shading network circumstances where the visualizer node doesn't solo networks correctly #### MaterialX Lama - Soloing complex MaterialX Lama shading networks. #### XPU - CUDA device is saved in the scene rather than as a preference. #### General - Rendering to IT with ACES currently needs the env variable **IT_OCIOV1 **to be set to your ACES config.ocio - Render with Takes is not supported. - Rendering with Mantra lights or VOPs is not possible - Bypassing shader nodes - Auto camera creation for IPR - RenderMan clipping planes - Display edits cannot changed from the image tool to mplay - Cross-frame denoising PDG support. - Applying undo of deleted nodes or collapsing to subnet may not work as expected - Rewiring subnet indirect inputs ![image](media://1f4fdc6b-3c60-4200-a453-e0a63c600a00) Inside Out 2 © Disney/Pixar