OpenXR SDK (Source) 1.1.59

OpenXR SDK 1.1.59 (2026-04-30)

This release includes several fixes and cleanups in the loader and various API
layers. There is also an additional multi-vendor extension and vendor extensions
added to the registry with this release.

• SDK
  • Best Practices Layer: Fix: Addresses race conditions
    (internal MR 4208,
    internal issue 2676,
    OpenXR-SDK-Source issue 581)
  • Loader: Improvement: Code cleanup and robustness improvements.
    (internal MR 3475,
    OpenXR-SDK-Source PR 413)
  • Loader: Improvement: Use std::make_unique instead of raw new where
    constructors are public.
    (internal MR 4252)
  • Test Runtime: Fix: Address missing directory error when building on macOS.
    (internal MR 4269)
  • Validation Layer: Fix: Cast flags to uint64_t before printing as hexadecimal.
    (internal MR 4225)
• Registry
  • Chore: Reserve extension numbers and adjust previous reservations.
    (internal MR 4266,
    internal MR 4276,
    internal MR 4282,
    internal MR 4253)
  • Improvement: Enforce that essentially all functions must be able to return
    XR_ERROR_RUNTIME_FAILURE.
    (internal MR 3611,
    internal issue 2345)
  • New multi-vendor extension: XR_EXT_stationary_reference_space
    (internal MR 3021)
  • New vendor extension: XR_META_boundary_visibility
    (internal MR 3249)
  • New vendor extension: XR_META_face_tracking_visemes
    (internal MR 3424)
  • New vendor extension: XR_META_spatial_entity_room_mesh
    (internal MR 3530)
  • New vendor extension: XR_ANDROID_eye_tracking
    (internal MR 3773)
  • New vendor extension: XR_ANDROID_recommended_resolution
    (internal MR 3840)
  • New vendor extension: XR_ANDROID_light_estimation.
    (internal MR 3879)
  • Schematron: Improvement: Add validation for ordering of structs in xr.xml.
    (internal MR 4251)
  • Schematron: Bump schXslt Schematron checker version and fix error in wrapper
    script.
    (internal MR 4288)
  • Update vendor specification: Revision 5 of XR_FB_passthrough
    (internal MR 3862)

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The Android loader can be found on Maven Central, by adding the following line to your Android app's build.gradle dependencies section:

implementation 'org.khronos.openxr:openxr_loader_for_android:1.1.59'

(There may be a delay of a few hours after release before artifacts are accessible on Maven Central.)

Alternately, the AAR file (plus signature by the dedicated spec editor key and associated POM) are attached to this release.

Other release files are signed by specification editor Rylie Pavlik's key, with key fingerprint 45207B2B1E53E1F2755FF63CC5A2D593A61DBC9D. Link goes to full public key.