OpenXR Specification (Source) 1.1.40

OpenXR Specification 1.1.40 (2024-08-22)

This release features a new ratified graphics API binding extension,
XR_KHR_metal_enable, as well as an update to the wording about environments
and environment blend modes, making it clear they can be used for physical as
well as synthetic passthrough. There are also an assortment of smaller fixes and
clarifications.

• Registry
  • Add: New ratified Khronos extension: XR_KHR_metal_enable.
    (internal MR 2721)
  • Chore: Reserve 15 extension id numbers for ByteDance.
    (internal MR 3409)
  • Fix: Clarified that views in XR_VARJO_quad_views needs to have identical
    poses for each eye.
    (internal MR 3396)
  • Fix: Add missing interaction profile extensions for OpenXR 1.1 promoted Meta
    interaction profiles.
    (internal MR 3398)
  • Fix: Correctly mark the Magic Leap home button as a system button in the XML.
    (internal MR 3405)
  • Fix: Add XR_ERROR_VALIDATION_FAILURE to all functions from
    XR_EXT_conformance_automation.
    (internal MR 3417)
• Specification
  • Add: New ratified Khronos extension specification: XR_KHR_metal_enable.
    (internal MR 2721)
  • Clarify: Clarify the definition of "environment" in the context of "environment
    blend mode".
    (internal MR 3301)
  • Clarify: Devices may use environment blend mode to control passthrough and
    synthentic environments.
    (internal MR 3301)
  • Clarify: Clarified that views in XR_VARJO_quad_views needs to have identical
    poses for each eye.
    (internal MR 3396)
  • Fix: Correct the maximum extension number in the appendix.
    (internal MR 3397)
  • Fix: Add missing interaction profile extensions for OpenXR 1.1 promoted Meta
    interaction profiles.
    (internal MR 3398)
  • Fix: Remove incorrect implicit valid usage from loader interface APIs.
    (internal MR 3416)
  • Fix: Fix a typo in the spec for xrCreateApiLayerInstance.
    (internal MR 3416)

Note: There is no 1.1.39 release: it was skipped to keep the monthly patch
version increment cadence given the lack of a release in July.