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Meta XR MR Utility Kit (UPM)

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Updated: Oct 30, 2025|
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MRUK provides a rich set of utilities/tools on top of Scene API to perform common operations when building spatially-aware apps. This makes it quick and easy to program against the physical world and allows the developer to focus on what differentiates their app.

Version 81.0 Release Notes

MRUK provides a rich set of utilities/tools on top of Scene API to perform common operations when building spatially-aware apps. This makes it quick and easy to program against the physical world and allows the developer to focus on what differentiates their app.

For more detailed information check out the documentations for Unity.

What's New

  • Added PassthroughCameraAccess class which can be used instead of WebCamTexture and addresses many of its limitations. See more: https://developers.meta.com/horizon/documentation/unity/unity-pca-documentation

    • What's Fixed

  • Fix the HighlightsAndShadows shader when using multiple lights in URP.

    • Improvements

  • EnvironmentRaycastManager now uses a dedicated Open XR API under the hood rather than relying on the Depth API
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