OIT Number of Samples controls the render quality when you have multiple overlapping semi-transparent objects in the 3D Viewer. You can also select whether or not to display lights, materials and shadows in the Hydra Viewer by toggling the relevant checkboxes. The Hydra Viewer is now the default 3D Viewer, but you can choose which Viewer to use in the Viewer Properties 3D > renderer dropdown. Note:The Hydra Viewer is currently only available on Windows and Linux OS. Supporting hdStorm in Nuke’s Viewer ensures Nuke has a 3D Viewer consistent with other applications in your pipeline, such as Katana, Solaris, and USDView, as well as providing a 3D Viewer that more closely represents the output from ScanlineRender. Nuke 13.0 adds Hydra support to Nuke’s 3D Viewer, which utilizes hdStorm as a new viewport renderer. Note:See the navigation bar on the left for links to specific release notes by version. This page provides an overview of the updates included in Nuke, Nuke Studio, and Hiero 13.0. What's New in Nuke, Nuke Studio and Hiero 13.0

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