Unreal Engine Issues

Some developers reporting incorrect Preview in VR resolution for Steam VR

VR Preview Window is the wrong resolution, just showing the top left portion of the entire view. Somewhat similar symptoms to -[Link Removed]-, not exactly the same though.   This issue has not be ...

AutoLOD changes the static meshes LOD at different distances in VR Packages and Previews than in Editor

Packaged VR Projects and VR Previews change the LOD at a closer distance than in editor. ...

Launching a specific UDN Project with Vulkan Support enabled crashes launching on Quest

When attempting to run the attached Project submitted from UDN, it will crash on launch. If Vulkan support is disabled, the Project will run as expected on Quest. This issue DOES NOT appear to repro ...

Playing audio files in Editor doesn't work when Magic Leap Zero Iteration is enabled

When the "Enable Zero Iteration" and "Use ML Audio for Zero Iteration" settings are both checked, the audio doesn't play inside Unreal Editor. This happens in the following cases:Playing an audio fi ...

Pitch locked in PIE when Windows Mixed Reality plugin enabled and GameMode set to ARSharedWorldGameMode

Mobile Multi-view has Black Screen on Android

Mobile multi-view is causing black screens on Android ...

GC stalls when loading a level with an Oculus HMD connected to the PC

Check the log. The GC is stalled on IsReadyForFinishDestroy for about 30 seconds. This is mixed with ovrp_WaitToBeginFrame. ...

Oculus Touch Menu Button Input Not Received When Set In Action Mapping

The left menu button on Oculus Touch doesn't have it's input received when it is assigned to an action mapping. This looks like it stopped working after SteamVR was integrated into the engine. Foun ...

Handheld AR On IPad Has Dark Contrast Issues And Constant Screen Tearing When Mobile HDR Is Disabled

When MobileHDR is disabled in a packaged AR project for iOS there is a big constrast with the brightness in the image and constant screen tearing. This is happening specifically with images captured ...

SteamVR turns off vsync globally

Additional Info From User: Result: Vsync will get turned off by FSteamVRHMD::Startup() setting a global console variable, regardless of your project configuration. Expected: Vsync is only deacti ...