Child Actor Components Not Properly Destroyed on Clients

UE - Networking - Jul 6, 2017

Child Actor Components are not being destroyed on clients when Destroy Actor is called on the Actor containing the Child Actor Component. ...

Crash when referencing GearVRController

UE - Gameplay - Blueprint - Jul 10, 2017

SamD and I noticed that in 4.17 the GearVRController component wasn't appearing in searches in the editor. This crash doesn't occur in 4.16.1 ...

Cannot pause video when WMF media Native Audio out is enabled

Media Framework - Dec 8, 2017

When the feature for "Native Audio out" is enabled videos no longer pause ...

Phones with no magnetometer -> GetInputMotionState returns all 0s

UE - Platform - Mobile - May 23, 2018

Bug submission from a user overseas: " On some devices (Moto G5 Plus, Moto G5 S Plus) the values are always 0 like : Tilt : 0.00.00.0 RotationRate : 0.00.00.0 Gravity : 0.00.00.0 Accleration : 0.00 ...

Actor Component Replication Not Working on Dynamically Spawned Components in Blueprint

UE - Networking - Aug 7, 2018

Actor components that are spawned dynamically through Blueprint are not being properly replicated to the client.  Found in 4.20 CL# 4233996 and reproduced in 4.21 Main CL# 4258917 Unable to test i ...

Orthographic Camera View does not work properly in HTML5

UE - Platform - Mobile - Mar 2, 2015

A user has not been able to get his game to run in an orthographic camera angle. It works perfectly fine in perspective, but pushes the game off to the side once in orthographic. Users Tutorial of ...

Volumetric Light Fog Leak through objects

UE - Graphics Features - Dec 31, 2018

Any environment with volumetric fog enabled will have a light leak which appears through objects.  Found in 4.20 CL# 4369336, 4.21 CL# 4613538, 4.22 CL# 4666322 ...

Awakening an actor and calling TearOff in the same frame discards the awaken request

UE - Networking - Mar 15, 2019

When a dormant actor gets reawakened and we call TearOff on it, we could expect the actor to get replicated before being TornOff. When these two changes are done on the same frame, the TearOff nega ...

Material and Animation do not stop even if Game pauses when Material domain is User Interface

UE - Editor - UI Systems - Jan 22, 2020

For Animation and Tick, we have confirmed that pausing can be done by stopping Native Tick. But we can't stop with Material. Widget Component can change the handling of time with EWidgetTimingPolicy ...

ProRes 4444 files cannot be played on MediaPlayer when RHI is DirectX 12

Media Framework - Feb 10, 2020

This file can be used if you have enabled the Apple Pro Res Media plug-in. This can be played when RHI is set to DirectX 11, but not when changed to 12. The file being played is a ProRes 4444 vide ...