Meta Spatial SDK

Updated: May 14, 2026|

Version

0.13.0

Transform your apps into mixed reality with Spatial SDK, a native Android framework to give your users an innovative spatial experience.

Version 0.13.0 Release Notes

Meta Spatial SDK v0.13.0 introduces the Canvas Panel API for stereo rendering, a Lighting API with panel-driven projection lights, pak-based asset packaging, and localized asset resolution. This release includes breaking changes to ComponentBase.isDirty and the Audio component's property type — see entries marked Breaking: for migration steps.
New Features
Canvas Panel API
Added StereoCanvasPanelRegistration for custom Canvas-based panel rendering with built-in stereo layout support. Apps can draw directly to a panel surface using drawFlat for mono content or drawStereo(depthOffsetMeters) for depth-offset-based stereo content with per-eye disparity.
Added DepthLayer preset object with common depth offsets (SURFACE, NEAR, FAR, BACKGROUND) for use with CanvasPanelScope.drawStereo().
Lighting API
Added ProjectionLight component and ProjectionLightSystem for panel-driven dynamic lighting that automatically derives light color from panel content.
Added SceneTexture.readAverageColor() for reading the average color of a texture region via GPU mipmap sampling.
Added SceneLight.setProjectionTexture() for binding projection textures directly to lights, with optional GPU-based color sampling via the useGpuSampling attribute on ProjectionLight.
Scene
Added PakManager for mounting and reading ZIP-based asset packages via the pak:// URI scheme, enabling bundled asset distribution outside the APK.
Added LocalizedAssetResolver for opt-in localized asset resolution. Place locale-specific variants in a locale subdirectory (e.g., models/fr/cube.glb), initialize with LocalizedAssetResolver.initialize(context), and the framework automatically resolves the best match based on device locale.
Added IntrospectionRegistry API and adb shell dumpsys integration for live inspection of SDK subsystem counters and state. Supports --json, --list, and path-prefix filtering.
Changes & Improvements
Breaking: ComponentBase.isDirty is removed. Use ComponentBase.hasAttributeChanges() instead for read-only change detection. Direct isDirty = true calls should be replaced with actual attribute mutations; isDirty = false calls should be replaced with entity.setComponent(component). Before:

if (component.isDirty) {
    entity.setComponent(component)
}

After:

if (component.hasAttributeChanges()) {
    entity.setComponent(component)
}
Breaking: The Audio component's audio property type changed from String to android.net.Uri. A deprecated Audio(String, Float, Float) helper is available for migration. Before:

val entity = Entity.create(listOf(
    Audio("ambient_forest.ogg", 0.8f)
))
val path: String = entity.getComponent<Audio>().audio

After:

val entity = Entity.create(listOf(
    Audio(Uri.parse("ambient_forest.ogg"), 0.8f)
))
val uri: Uri = entity.getComponent<Audio>().audio
Added LibraryLoader interface, FeatureManager.attach(), and AbstractSpatialFeature base class to support custom native library loading strategies and reduce boilerplate in SpatialFeature subclasses.
Added GLXFInfo.allMeshesLoaded future that completes once every mesh-bearing entity in an inflated glXF has its SceneObject ready, enabling apps to defer visibility until all assets are loaded.
Added SceneAudioPlayer.setPitch() for runtime pitch and playback rate control.
Added pitch attribute to the Audio component for declarative pitch control.
Bug Fixes
Scene
Fixed Material component baseColor being silently ignored, causing objects to render white instead of the specified color.
Fixed Material PBR properties (roughness, metallic, unlit) not being applied to rendered objects.
Fixed inverted winding order on procedural primitives (Box, Sphere, Dome, Quad, RoundedBox) causing incorrect face culling.
Fixed GLXF scene loader silently dropping translation from nodes that use a matrix field instead of separate translation/rotation/scale fields, causing affected entities to render at incorrect positions.
Other
Fixed a crash in PanelDisplay when an async window callback fired after panel destruction.
Fixed a SIGSEGV crash in the Gaussian splat renderer when uploading splat data to the GPU.
Fixed entity-attached audio continuing to play after the entity was removed from the scene.
Version 0.13.0 Samples and Templates Changelog

Meta Spatial SDK publishes project samples and templates at: Meta Spatial SDK Samples. Sample projects have been updated to SDK 0.13.0 with Gradle configuration cache support, and several samples received physics and rendering fixes.
Changes & Improvements
Updated all sample projects to Meta Spatial SDK v0.13.0, including Gradle configuration cache support and updated API usage patterns.