Unreal Engine Issues
Unreal Engine Issues
Hot Reload wipes all elements of UProperty TArrays in Blueprint subclasses
UE - Foundation - Cpp Tools - Hot Reload - Dec 5, 2017Hot reloading a change that affects a class that contains a TArray UProperty will wipe all of the array elements of any Blueprint subclasses of that class. Regression?: Yes This does not occur in 4 ...
Instanced Static Mesh component instances in levels that are not currently loaded do not have their defaults updated properly
UE - World Creation - Worldbuilding Tools - Foliage - May 17, 2018Editing the properties of an Instanced Static Mesh or Hierarchical Instanced Static Mesh does not propagate those edits to the defaults of instances that are in levels that are not currently loaded. ...
Postprocess Outline material does not work
UE - Graphics Features - Aug 1, 2018The 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, 2019When 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, 2019The "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, 2020r.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, 2023After 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, 2023https://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, 2016Cannot 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, 2015Copying 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 ...