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Meta XR MR Utility Kit (UPM)

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Updated: Jun 5, 2025|
Version
77.0
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 77.0 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 or Unreal.

What's New

  • Added RequestSpaceSetup button to Immersive Debugger
  • Multiple MRUK features were migrated to native library implementation, which helps us keep the same implementation across all supported engines

    • What's Fixed

  • Fixed an issue where EffectMesh incorrectly displayed room anchors after room update
  • EffectMesh Building Block now references the correct EffectMesh prefab instead of the deprecated one
  • Fixed a bug with the SpaceMapGPU where the main camera would sometimes be switched away from the OVRCamera

    • Improvements

  • MRUK no longer causes compilation errors in non-Android build targets
  • The roomUuids parameter in LoadSceneFromSharedRooms() is now optional
  • The HighlightsAndShadows shader used in Passthrough Relighting now supports Forward+ rendering path
  • The BlobShadow shader now supports occlusions.

    • Deprecation

  • SpaceMapMask was removed from Scene Decorator
  • SpaceMap was deprecated in favor of the SpaceMapGPU
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