Blueprint Diff tool does not mark changed properties as having been changed if they are in a custom nested category

UE - Gameplay - Blueprint - Jun 12, 2018

The Blueprint Diff tool does not highlight properties that have been changed from a previous version of the Blueprint if those properties are contained in a custom nested category. REGRESSION: No. ...

Multiplayer Shootout fails to package properly

Docs - Samples - Jul 27, 2018

Attempting to package the Multiplayer Shootout example results in an error and the packaging attempt fails. The error can be found in the attached log. Regression?: No This occurred in 4.18 and 4.1 ...

Postprocess Outline material does not work

UE - Graphics Features - Aug 1, 2018

The PostProcess Outline Material doesn't render properly. Broken in 4.20.1 (CL - 4239966) and 4.21 (CL - 4245542) Working in 4.19.2 (CL - 4033788) ...

3DS Max 2019 asset has incorrect object position and rotation when imported in Datasmith

UE - Editor - Content Pipeline - Datasmith - Exporters - May 20, 2019

When this asset is imported into 4.22.1(4.22E0) it has incorrect object position and rotation. In 4.21.2 (4.21E3) the asset has the correct object position and rotation. ...

Reset seed on emitter looping not working properly

UE - Niagara - Dec 31, 2019

The "Reset Seed on Emitter Looping" has no effect when enabled.   Tested in: 4.22.3 CL#7053642 , 4.23.1 CL#9631420 , 4.25 CL#10868506 ...

HZBOcclusion fails in split screen when using D3D11

UE - Rendering Architecture - RHI - Oct 6, 2020

r.HZBOcclusion 1 gives incorrect results with split screen on D3D11. With -d3d12 it renders correctly. It also renders correctly if the RenderDoc plugin is enabled or the editor is running with -on ...

In Android, the UI does not fill the entire screen and there is an empty space

UE - Platform - Mobile - Jan 30, 2023

After migrating to version 5.1, the UI does not fill the screen and there is an empty space. Please refer to the attached screenshot and test project. tested device : galaxy Z flip 3 ...

Left thumbstick doesn't trigger as input using CommonUI

UE - Editor - UI Systems - UMG - Mar 28, 2023

https://udn.unrealengine.com/s/question/0D54z00008xo1TpCAI/commonui-left-thumbstick-input-do-not-trigger-onkeydown-properly-even-if-there-isnt-any-navigation-event-being-triggered?fromCase=1 ...

Cannot manipulate morph targets unique to Slave Component through Master Component

OLD - Anim - Apr 1, 2016

Cannot manipulate morph targets that are unique to the Slave Component through the Master Component. So the situation here is that the Head(Master) does not have the "BeerBelly" morph target, but t ...

Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor

UE - Gameplay - Blueprint - Aug 4, 2015

Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor. Reproduced in 4.7.6 binary, 4.9 Release (//depot/UE4 ...