Unreal Engine Issues

Gear VR Touchpad input broken

Gear VR Touchpad input no longer functioning in 4.20 Noticed this appearing in 4.20 logs from device (did not appear in 4.19 logs): LogOcInput: Get touchpad main with data 0.000000 0.000000 Also t ...

Oculus Go & Quest: Relaunching app immediately after exiting causes device to freeze

4.20 Oculus Go projects cause the device to lock if immediately relaunching after exiting. It does not occur if:You wait ~20 Seconds before relaunchingYou press the power button after closing the a ...

ARCore Non-AR Camera inherits AR Camera rotation

When transitioning from AR map/pawn to Non-AR map/pawn the direction the phone is facing is applied to Non-AR pawn. Only occurring on Android/ARCore Also tested in Main CL #4229747 Tested with Pi ...

Niagara Particles don't work with Instanced Stereo Rendering enabled

With Instanced Stereo enabled, CPU Niagara particles are not visible, GPU Niagara particles render in left eye only. ...

Console is off screen in VR preview when windows scaling is set to 150% or above

Windows scaling appears to affect the HMD if the project is open on a screen with window scaling being used. ...

iOS fails to compile: undefined symbols "_OBJC_CLASS_$_ARImageAnchor", etc

UARTrackedImage doesn't update after detection

UARTrackedImage doesn't update even if moving the printed paper.  It is probably because FAppleARKitSystem :: SessionDidUpdateAnchors_Internal does not correspond to EAppleAnchorType :: ImageAnchor ...

Cannot access properties of the FAppleARKitFrame struct from within a Blueprint

It is not possible to access properties of the {FAppleARKitFrame}} struct within a Blueprint. The struct itself is exposed as a BlueprintType, but none of its properties are also exposed. ...

Stream media source freezes after playing for a short period of time (10 sec. -1 Min.) on Oculus Go

When using streamed media source in combination with the oculus go, the video appears to freeze before completion on the device. ...

GetHMDDeviceName function's name is no longer accurate, is confusing

UHeadMountedDisplayFunctionLibrary::GetHMDDeviceName()  says it returns the "device" you are using, but it really returns the name of the SDK or XR System that you are using (for example launching o ...