Oculus Developer Release Notes: v41

Oculus Integration for Unity - v41

What's New

• Scene is now supported over Oculus Link
• Added Play button support for Spatial Anchors and Scene for testing over Oculus Link
• Added the following samples in Interaction SDK:
• DebugGesture feature sample using the swipe forward gesture
• Poke button feature sample showcasing a single button and poke limiting
• TouchHandGrab interaction feature sample and test scene
• ActiveStateDebugTree builds a tree recursively out of IActiveStateTreeNodes for displaying active state diagnostics
• Added Slim Room environment prefab for prototyping
• Added more inspector friendly components for adding/removing dynamic entities in Voice SDK.

What's Fixed

• Fixed bug in PackageCleanup where if parent and child folders are both removed (as they are deprecated and empty), the parent folder will not be removed as it is marked non-empty
• CarouselView improvements brought in from ThumbnailCarousel, and includes a fix for a null exception error
• Fix for a divide by zero possibility in Poke Limiter
• Visual hands working in grab scenes
• The axis of rotation in the OneGrabRotateTransformer was in the local space of the hinge in the test scene which caused rotations to happen incorrectly
• Fixed issues with the utterance viewer for team use of client tokens
• Longer responses from wit.ai speech requests are supported. Responses >1024 bytes were previously getting sliced and causing JSON parser failures. This release supports responses of any length from the server.

Improvements

• Uses of foreach that operate on Transform children are removed, leading to improved GetChild() performance
• Renamed and moved sample scenes into new folders, Examples and Features
• Improved version of the HandGrabPoint wizard, with clearer instructions and uses an editor window now so you can snap it to an editor window
• Improved dynamic entity APIs in Voice SDK

Known Issues

• The Thumb0 bone pose does not pinch all the way and there is about a 1/8 of an inch gap between the index finger and thumb when using the system gestures.
• Mixed Reality Capture on Rift is not supported in OpenXR. Workaround: In the Unity editor, go to the Oculus > Tools > OpenXR > Switch to Legacy OVRPlugin menu to switch to the VRAPI backend to continue using Rift MRC. Find detailed information in the Switch between OpenXR and Legacy VRAPI documentation.
• GetAppPerfStats and ResetAppPerfStats are currently not supported with the OpenXR backend. Workaround: In the Unity editor, go to the Oculus > Tools > OpenXR > Switch to Legacy OVRPlugin menu to switch to the VRAPI backend to continue using Rift MRC. Find detailed information in the Switch between OpenXR and Legacy VRAPI documentation.
• Fast movement or teleportation with Application Space Warp in Unity can have some artifacts.
Workaround: Move SetAppSpacePosition/SetAppSpaceRotation to LateUpdate to guarantee that all movement logic has been run before sending new app space pose to the XR plugin.

• PC XRSDK GetDominantHand crashes app. Workaround: Because of a limitation of Unity native plugin, accessing Oculus features through C# initializer could trigger crash on PC. If this happens, move the member initialization to Awake() or Start() functions.
• Changing modes in Lipsync_Demo on Oculus Quest is currently not supported.
• If you're using the Spectator Camera feature and you switch the view, the casting video is flipped upside down. Workaround: Set SetMrcFrameImageFlipped to false. For more information, see the Known Issues section in the Spectator Camera user guide.

Unreal Engine 4 Integration

1. Register your GitHub ID⁠ with Epic.
2. Log into your GitHub account.
3. Go to https://github.com/Oculus-VR/UnrealEngine/tree/4.27⁠

What's New

• OVRPlugin updated to 1.73.0
• Updated Passthrough color control options to enable you to anticipate color Passthrough capabilities on future headsets:
• brightness, contrast, and posterize parameters
• color scale and color offset editing
• color gradients that you can assign in the blueprint
• Oculus Link now fully supports Spatial Anchors.

Improvements

• READ_EXTERNAL_STORAGE is no longer automatically added to the manifest.
• Experimental SDK features, if any, can now be enabled from the Support Experimental Features check box in Project Settings > Oculus VR.

Known Issues

• The Color Map Curve property in the Passthrough Layer Component does not work as expected. As a workaround, use the SetColorMapCurve blueprint function to add color map curves.
• Mixed Reality Capture (MRC) on Oculus Rift is not supported in the OpenXR backend. If you need to use MRC, change Project Settings > Plugins- OculusVR > XR API to Legacy OVRPlugin.

Platform SDK

Other Developer Updates

• Developer Dashboard: Developers can use the developer dashboard release channels⁠ to manage debuggable builds. Developers can upload debuggable builds to any non-public channel in the developer dashboard.
• A marketing attribution dashboard was recently added to help you track how effective your marketing efforts are. For more information, see Marketing Attribution Analytics.