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Here's the road-map for this repository (a brain-dump of topics that sound like they'd be cool additions).

• SdfStateDelegate
• Description:PcpPrimIndex
• value resolution caching, using UsdAttributeQuery and UsdResolveInfo
• UsdGeomSubset - might be something worth looking into
• Copying & re-targeting USD assets + its dependencies recursively
• Check for corruption - https://groups.google.com/forum/#!topic/usd-interest/q5D0maPTD2M
• material caching / Usd_InstanceCache / Usd_ClipCache / usdskel caching
• materials / shading
  • network forwarding
• Sdf API topics
  • Other features abstracted at the layer level include journaling (undo and redo functionality) and logging, which can be customized by subclassing SdfLayerStateDelegateBase .
    • https://graphics.pixar.com/usd/docs/api/sdf_page_front.html
• article on various caching mechanisms
• material caching - UsdShadeMaterialBindingAPI::BindingsCache / UsdShadeMaterialBindingAPI::CollectionQueryCache
• UsdGeomXformCache::UsdGeomXformCache
• Usd_InstanceCache
• Usd_ClipCache
• is it possible to forcibly add a person's username when authoring USD layers?
• symmetry / symmetric function / symmetric peers (Sdf). What is this used for?
• USD translator plugin