USD Stagecraft Changelog

1.0.1 2026-07-09

Added

• UsdSkel runtime preview — Bone hierarchy + SkinnedMeshRenderer, time-sampled joint evaluation via UsdAnimationPlayer (LBS, up to 4 influences).
• Skeleton + Xform AnimationClip bake — Joint and transform curves + AnimatorController during Bake to Prefab / Import.
• SkinnedMesh Prefab promotion + relink — Visuals/Skinned_*/ prefab output and stage hierarchy relink.
• Timeline / Playable integration — Preview time driver and baked StageTimeline.playable.
• UsdScriptedImporter skeletal mesh + clip support — Animated USD import with clips, skinned prefabs, and timeline.
• DiffReload skinning — Deferred skinning pass after reload.
• Multi-stage preview — Multiple UsdStagePreview instances per scene.
• com.unity.timeline dependency — Optional UsdStagecraft.Timeline assembly.

Deferred to v1.1

• UsdGeomBasisCurves — hair, grass, cables, etc.

Notes

• v1.0 formal release on main / package 1.0.1.

0.4.0

Added

• instanceable / PointInstancer — Instance proxies and PointInstancer mesh expansion (GPU instancing not yet supported).
• HDRP (optional UsdStagecraft.Hdrp) — HDRenderPipelineHost for materials, lights, and DomeLight via GradientSky.
• USD Stage panel — property editing — Transform ops, purpose, kind, and references viewer.

Changed

• Editor assembly precompiled as UsdStagecraft.Editor.dll for distribution packages.

Removed

• macOS Intel (x86_64) support — macOS plugins are Apple Silicon (arm64) only.

0.3.0

Added

• UsdGeomSubset (materialBind) — Sub-mesh splitting and multiple UsdPreviewSurface assignments.
• UsdLux extensions — DomeLight environment approximation, RectLight size, spot shaping, intensity / exposure / color.
• .usdz — Local file paths accepted by the loader.

0.2.0

Added

• Windows (x86_64) native plugins — Editor and Standalone Windows x64.
• Third-party OSS attribution and full Apache 2.0 license text in ThirdParty/README.txt.

Notes

• When upgrading the OpenUSD SDK, refresh third-party notices and version strings as applicable.

0.1.2 2026-05-08

Added

• ThirdParty/README.txt: attribution, NOTICE, and full Apache 2.0 text for redistributed OpenUSD 0.26.5, Intel oneTBB, plus MaterialX / usdMtlx notice.

0.1.1 2026-04-29

• Minor bug fixes.
• Minor update.

0.1.0 Early Access 2026-04-29

Added

• Runtime loading of OpenUSD .usd, .usda, and .usdc files.
• UsdLoader async and sync USD file loading API.
• UsdMeshBuilder mesh conversion, UsdMaterialLoader material support, and UsdTextureCache texture caching.
• UsdStagePreview Editor preview mode.
• macOS Apple Silicon arm64 native plugin.

Known limitations

• macOS Apple Silicon only at release time.
• USD variants and payloads are partially supported.