OpenXR Specification 1.1.51

OpenXR Specification 1.1.51 (2025-08-28)

This release primarily features some specification clarifications and fixes to
the interaction profile data in the XML registry.

• Specification
  • Fix: Add documentation for space parameter to xrSetInputDeviceLocationEXT.
    (internal MR 3752)
  • Fix: specification to clarify parameters for
    xrEnumerateSpatialCapabilityFeaturesEXT &
    XrPersistSpatialEntityCompletionEXT.
    (internal MR 3932)
  • Fix: typo in XrSpatialEntityUnpersistInfoEXT.
    (internal MR 3932)
  • Fix: links for two-call idiom & capability features in spatial entities
    extensions.
    (internal MR 3932)
  • Improvement: Clarify success/failure for XrSpatialPersistenceContextResultEXT.
    (internal MR 3932)
  • Improvement: Clarify the rendering chapter without making any normative
    changes.
    (internal MR 3662)
• Registry
  • Chore: Reserve extension numbers.
    (internal MR 3916,
    internal MR 3956)
  • Fix: Missing parent struct for XrSpatialCapabilityConfigurationAnchorEXT.
    (internal MR 3932)
  • Fix: Missing XR_EXT_dpad_binding paths for
    /interaction_profiles/facebook/touch_controller_pro and
    /interaction_profiles/meta/touch_controller_plus.
    (internal MR 3945)
  • Fix: incorrect placement of * in
    XR_ERROR_GRAPHICS_REQUIREMENTS_CALL_MISSING error description.
    (internal MR 3960)
  • Fix: Missing XR_EXT_dpad_binding paths for
    /interaction_profiles/varjo/xr-4_controller.
    (internal MR 3965)
  • Fix: Missing XR_EXT_dpad_binding, XR_EXT_palm_pose, and
    XR_EXT_hand_interaction bindings for
    /interaction_profiles/oppo/mr_controller_oppo.
    (internal MR 3966)