Screen goes black if standalone window loses/regains focus in Oculus Mode

UE - Platform - XR - Dec 10, 2014

If the console command "Stereo on" is used to enter Oculus mode in a standalone window, the onscreen window and Oculus viewport go black if the standalone loses window focus. Window is still runnin ...

SEGV_NOOP at 0x0

UE - Platform - Apple - Jul 7, 2015

Crash Report: [Link Removed] *Crash Report attached User reports, "Launch[ing] Unreal Engine 4.8.1 from Epic Games Launcher, UE4 splash screen will come up and after 80% of initialization; UE4edit ...

Blueprint actor stops responding

UE - Gameplay - Blueprint - Apr 27, 2015

After changing the component to static, compiling and changing it back to movable and compiling, the BP actor will not move with the set actor location. I wasn't able to get the translate arrows to ...

Media player does not play audio or video on the Xbox One

Media Framework - Nov 18, 2016

Audio and video are not playing on Xbox One. This issue affects both MultiTrack and Single-Source media sources. Debug text output meant to display the audio / video track currently being played i ...

'r.StaticMeshLODDistanceScale' doesn't effect 'show LODColoration'

UE - Graphics Features - Jun 21, 2017

'r.StaticMeshLODDistanceScale' doesn't effect 'show LODColoration'. It does effect the actual performance of the LOD in the level but the LOD Coloration doesn't reflect the change. Licensee Descrip ...

DuplicateObject does not keep settings from the object duplicated

UE - Foundation - Core - UObject - Jul 24, 2017

When using DuplicateObject, some aspects of the copied object (such as component transform) are not duplicated to the copy. Regression: Yes - DuplicateObject behaved as expected in 4.15.2 Working - ...

Restore State for Make MovieSceneSequencePlaybackSettings Not Resetting Sequencer State Appropriately

UE - Anim - Sequencer - Oct 3, 2017

Restore State should have an affect on sequencer. The animation snaps back to its starting point even when this option is not set if played in PIE. If you drag in the level sequence in the editor an ...

Incorrect box collision on negatively scaled mesh

UE - Simulation - Physics - Jul 23, 2018

If you have a mesh with a rotated box in its simple collision primitives, that box won't be in the correct position if you scale the mesh by -1. This issue was reported in 4.20 (CL-4212847) and rep ...

Curl Noise Force Not Applying to Niagara Emitter

UE - Niagara - Jul 30, 2018

Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...

CurrentTransaction ensure when duplicating an EQS generator

UE - AI - Aug 3, 2018

When duplicating a Generator inside an Environment Query, the action triggers an ensure and stalls the Editor for a few moments. This issue was reported and tested in 4.19.2 (CL-4033788). It was r ...