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

UE - Platform - XR - Nov 16, 2016

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 ...

The cap of a sliced procedural mesh is not affected by lighting

UE - Gameplay - Jul 14, 2016

After slicing a procedural mesh, the cap on the sliced end does not seem to be affected by lighting. This can result in the end looking dark. ...

Cascade ParticleRelativeTime Outputs Constant 0 on Mobile

UE - Niagara - Aug 29, 2018

Cascade ParticleRelativeTime outputs constant 0 on mobile. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4321618 ...

Crash when Landscape Max LODLevel is set to 0

UE - LD & Modeling - Terrain - Landscape - Mar 16, 2018

Reproduced in 4.19.0 CL 3944462 and 4.20 Main Unable to reproduce in 4.18.3 CL 3832480. This is a regression. ...

r.AllowOcclusionQueries 0 keeps increasing PrimitiveOcclusionHistorySet memory

UE - Rendering Architecture - RHI - Nov 29, 2022

r.AllowOcclusionQueries 0 skips the call to TrimOcclusionHistory(), so the PrimitiveOcclusionHistorySet container continues to grow. ...

OSVR is affected by screen percentage Post Process volumes

UE - Platform - XR - May 6, 2016

Found on: //UE4/Dev-VR CL-2967563 Screen percentage post process volumes affect rendering on the OSVR. It also renders incorrectly when affected. The incorrect effect has been logged as [Link Remo ...

Fade track is not affected by "Restore State" flag

UE - Anim - Sequencer - Mar 24, 2017

Fade track is not affected by "Restore State" flag Regression: Sort of. Restore State wasn't available in 4.14, but the default behavior would leave the screen black Worked: 3249277 (4.14.3) Bro ...

Vehicle destroyed when long stiff value is set to 0

UE - Simulation - Physics - Jan 3, 2019

When setting the Long Stiff value to 0 for wheels it appears to destroy the actor as soon as the wheel come in contact with the ground ...

Crane Yaw value affects attached Camera Rotation

UE - Anim - Sequencer - Aug 18, 2016

Crane Yaw value affects attached Camera Rotation. My expectation is based on the fact that Crane Pitch leaves the camera level ...

Setting scale to 0 in any direction breaks overlap events

UE - Simulation - Physics - May 26, 2015

When the scale of an actor is set to 0 in either X, Y or Z any overlap events will fail to trigger overlap events. ...