Unreal Engine 5 Integration

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Updated: Mar 15, 2023|
Version
50.0
The latest Horizon Integration SDK for Unreal Engine 5 for developers bundled with OVRPlugin, Audio SDK, and Platform SDK.
Version 50.0 Release Notes

Installation
Download and install UE5 according to Installing Unreal in the Unreal Engine 5 documentation.
Download the MetaXR plugin for UE5 zip file using the button on the top right.
Extract the .zip file contents to UE5 Installation Folder\Engine\Plugins\Marketplace. For example: C:\Program Files\Epic Games\UE_5.0\Engine\Plugins\Marketplace
What's New
Plugin updated to Unreal Engine 5.1.1
Shared Spatial Anchors API and SpatialAnchors sample added. See Shared Spatial Anchor Documentation for details.
Foveated Rendering is now available in the marketplace release.
Since v50, the MetaXR plugin will be disabled on non Meta XR devices.
Known Issues
Soundwave haptics is not supported in the prebuilt MetaXR plugin download.
The following features are not present in our Marketplace Releases. If you require these features use the GitHub Release.
Late Latching
Application SpaceWarp
Mobile tonemap subpasses

Link Known Issues:
When using Link to preview passthrough in editor. The passthrough layer may not be shown after stopping and starting the editor. If this occurs,
Ensure Link Passthrough over Link is enabled in the Desktop Oculus App (Settings > Beta),
Close the Unreal Editor and restart OVRService (Task Manager > Services > OVRService)
Passthrough over Link has low camera frame rate when a Quest Pro is used.
Spatial anchors over link lag behind their correct position.
Screen recordings or captures are black when running a Passthrough-enabled app over Link..
PCM haptic over link has intermittent issues when high sample rate ( greater than 10k) soundwaves. The workaround is to use lower sample rate sound waves.
Migrating projects to UE5
In addition to Epic's Unreal migration steps you must also:
Go to Edit > Plugins, disable the OculusVR plugin if enabled, and then enable the Meta XR plugin.
Set up the plugin settings in Project Settings > Meta XR. If you need to refer to previous OculusVR settings, look in DefaultEngine.ini under [/Script/OculusHMD.OculusHMDRuntimeSettings].
Specify your splash screen in Project Settings > Platforms > Android >Launch Images > Launch Landscape.
Migrating from OculusVR to Meta XR
Go to Edit > Plugins, disable the OculusVR plugin if enabled, and then enable the Meta XR plugin.
Set up the plugin settings in Project Settings > Meta XR. If you need to refer to previous OculusVR settings, look in DefaultEngine.ini under [‘/Script/OculusHMD.OculusHMDRuntimeSettings’].

Blueprint only projects are automatically converted to use the equivalent types and functions provided by the Meta XR Plugin when you switch over from the OculusVR plugin.

C++ projects that contain native code can be migrated by manually renaming objects and enumerations.
To migrate a C++ project:
Modify your project's build.cs and replace any Oculus modules with OculusXR versions.
Build your project.
Make note of the compiler errors and for each Oculus type not existing, change its declarations to use OculusXRType.