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When an asset is saved to disk, all its dependencies are saved to disk too. 

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These include :

• Textures : stored in tex format, UDIM is supported.
• HDRI environment maps : stored in tex format. We use a specific combination of flags to compress the texture as efficiently as possible.
• OSL shaders : stored in oso format to protect your IP, but you can manually add the osl file in the asset directory if you want to share the source code.

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