Unreal Engine Issues

Volumetric Lightmaps Disappear After Building Levels

Crash playing a HapticFeedbackEffect_Soundwave with no sound assigned

Crash attempting to use a HapticFeedbackEffect_SoundWave with no sound set on it (i.e. a newly created one.) Found on: 4.13.1 Binary CL-3120228 //UE4/Release-4.13 CL-3123398 Similar to [Link Remo ...

Crash when opening OculusVRDartsGame without oculus software installed

Several users have reported crashes when attempting to open the OculusVRDarts game we offer in our [Link Removed] Instead of allowing the engine to crash, we should handle this issue gracefully and ...

4.24 Instanced Stereo Distortion Error in ComputeBufferUVDistortion

4.24 moves distortion calculations to the file DistortionCommon.ush and its`ComputeBufferUVDistortion` function. The code in the INSTANCED_STEREO define no longer works as `Interpolants` isn't passe ...

Scene Color node with UV input on a transparent material renders incorrectly in stereo

From Licensee: When we have Instanced Stereo enabled, all our materials that use Scene expression nodes (SceneDepth, SceneColor, etc...), render incorrectly in the right eye. It only happens to the ...

Screen goes black for the oculus rift when changing the Screen percentage on an AMD 200 Series graphics card

When setting the mirror mode and the screen percentage the screen on the oculus rift will go black if you are using an AMD 200 series card. ...

GearVR trackpad quadrant buttons not detected in TM-MotionControllers

Using the TM-MotionControllers map as a test for GearVR, the 4 buttons in the trackpad quadrants of the bluetooth controller don't register via the blueprint. This issue did not occur on Vive at th ...

Oculus mirror window goes black when headset removed for any mirroring mode besides 0

If using any hmd mirroring mode besides 0 on Oculus, when the headset is removed, the mirroring window goes black in a packaged build, or in -game, for example: UE4Editor.exe VrTemplate4x15 MotionCo ...

Camera Switcher Import option not functioning properly

In UE 4.20 we got a feature that let you import a FBX file that contains cameras with a camereaswitcher to create a "camera cut track" within sequencer. From the release notes of 4.20: https://docs ...

Corrupted Japanese text when packaging for Android

Garbled text is displayed when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should be fixed ...