Hello, after doing some searching I seem to come up with zero information about using UDIM UVs with Unity, is it supported or has anyone figured out a method to get it working?
Much thanks.
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It’s not supported by default, its not something that normally is needed for games. However there are third party plugins, Graphine’s Granite and Amplify’s Amplify Texture 2 both add support for UMID UVs to Unity.
@33up it will be in unity i think, since it is a very nice feature and unity is pushing constantly to be a universal tool.
nowadays unity is not only used for games, as well for cinema shots, VR and many more things in realtime.
I think the Amplify udim texture streaming is very nice!
But i like to see it be a native functionality.
I often rebake multi meshes into one and making atlasses for performance in VR, it helps game, VR and other realtime renderings very much for better performance and lesser drawcalls.
i found this, and hope very much it will be in 2018 soon 
https://blogs.unity3d.com/2017/08/01/multi-material-using-custom-inspectors-and-scriptable-objects-for-udim-materials/
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