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Meta XR Interaction SDK Unreal

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Updated: Mar 14, 2025|
Version
74.0.0
The Meta XR Interaction SDK package contains an Unreal plugin that can be used to build rich UI and 3D object interactions.

Version 74.0.0 Release Notes

What's New

Added Ray Grab and Distance Grab
  • Ray and Distance Grab can be enabled on a ISDK Grabbable Component by updating the “Allowed Grab Detector Types” property
  • Added Distance Grab sample scene to samples project

    • Added Hand Grab Pose system
  • Enabled by adding a HandGrabPose RigModifier to the rig and then adding a Hand Grab Pose component to an actor. Can be configured to snap to object or pose, lerp into/out of pose, leverage automatic or manual pose mirroring, and more; see documentation for details.
  • Mug asset featuring Hand Grab Pose components added to TransformerExamples in samples project; Sample Pawn rig updated with HandGrabPose RigModifier.

    • What's Fixed

  • Fixed issue that would sometimes cause UIsdkHandPoseSubsystem to crash when changing levels
  • Single and Multi grab transformer behavior of the ISDK Grab Transformer Component can now be edited in the details panel, via the “Single Grab Transformer Object” and “Multi Grab Transformer Object” properties
  • Fixed issue where GrabberComponent wouldn't engage in interactions after a grabbed actor was destroyed
  • Consolidated multiple redundant handedness enums to a single one: EIsdkHandedness
  • Gravity being enabled/disabled when thrown on UIsdkGrabTransformerComponent will now respect how it was configured
  • UIsdkInteractableWidgetComponent will now work both as a level instance and within a Blueprint, previously would only correctly function as a level instance

    • Other

  • Upgraded Unreal Engine support to version 5.5

    • Known Issues

  • Using the Meta Unreal Engine fork (version 5.5.1) may result in incompatibility messages when using v74 of ISDK
  • There may be issues when utilizing the "Epic Native Open XR with Oculus vendor extensions" mode in the MetaXR plugin, this mode is not officially supported in this version of the Unreal ISDK
  • Unloading a stream level while hovering a grabbable in that level produces a crash.
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