OpenXR Specification 1.1.47

OpenXR Specification 1.1.47 (2025-04-08)

This release features several new vendor extensions, one of which required a
modification to the XML schema for extending interaction profiles to represent
accurate. There are also a few minor fixes and clarifications.

• Registry
  • Addition to XML registry schema: Specify interaction profile additions by
    constructing a predicate, and allow adding new top level /user paths to
    existing profiles. See SDK changelog and style guide for details.
    (internal MR 2467)
  • Chore: Reserve extension numbers.
    (internal MR 3729,
    internal MR 3744,
    internal MR 3745)
  • Fix: Reflect requirement of XR_META_hand_tracking_microgestures for
    XR_EXT_hand_interaction in xr.xml.
    (internal MR 3741)
  • Fix: Added missing comment on XR_EYE_POSITION_COUNT_FB to remove warning
    during build.
    (internal MR 3748)
  • Fix: typo in the documentation of XR_ERROR_SPACE_GROUP_NOT_FOUND_META
    (internal MR 3749)
  • Improvement: Fix schematron runner on Mac.
    (internal MR 3759)
  • New vendor extension: XR_META_detached_controllers
    (internal MR 2467)
  • New vendor extension: XR_BD_spatial_sensing
    (internal MR 3429)
  • New vendor extension: XR_BD_spatial_anchor
    (internal MR 3435)
  • New vendor extension: XR_BD_spatial_anchor_sharing
    (internal MR 3436)
  • New vendor extension: XR_BD_spatial_scene
    (internal MR 3438)
  • New vendor extension: XR_BD_spatial_mesh
    (internal MR 3439)
  • schema: Allow aliases of function pointers, primarily for use in extension
    promotion.
    (internal MR 2989)
• Specification
  • Addition to XML registry schema: Specify interaction profile additions by
    constructing a predicate, and allow adding new top level /user paths to
    existing profiles. Recommend using the Python module
    src/scripts/interaction_profile_processor.py for interpreting this data, if
    you maintain scripts that process the interaction profiles in XML.
    (internal MR 2467)
  • Fix: inconsistent typo, versions are packed into 64 bits, not 32.
    (internal MR 3764,
    internal issue 2478,
    OpenXR-Docs issue 184)
  • Improvement: Clarify that if an environment blend mode is enumerated by
    xrEnumerateEnvironmentBlendModes, the runtime must not return
    XR_ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED from xrEndFrame using that
    blend mode.
    (internal MR 3761)
  • Improvement: Minor formatting fixes.
    (internal MR 3763)
  • New vendor extension specification: XR_META_detached_controllers allows use
    of controllers even when the user is not holding them.
    (internal MR 2467)
  • New vendor extension specification: XR_BD_spatial_sensing providing the base
    of spatial entities capabilities on ByteDance devices.
    (internal MR 3429,
    internal MR 3776)
  • New vendor extension specification: XR_BD_spatial_anchor providing the
    ability to define arbitrary anchors on ByteDance devices.
    (internal MR 3435,
    internal MR 3769,
    internal MR 3770,
    internal MR 3776)
  • New vendor extension specification: Add XR_BD_spatial_anchor_sharing allowing
    created spatial anchors to be shared on ByteDance devices.
    (internal MR 3436)
  • New vendor extension specification: XR_BD_spatial_scene providing access to
    scene scanning on ByteDance devices.
    (internal MR 3438,
    internal MR 3769,
    internal MR 3770)
  • New vendor extension specification: XR_BD_spatial_mesh providing access to
    meshes on ByteDance devices.
    (internal MR 3439,
    internal MR 3770,
    internal MR 3776)