Inconsistent results when creating a Blueprint from a custom User Widget code class

UE - Editor - UI Systems - Jan 19, 2017

Depending on how a Blueprint is created from a custom User Widget code class, the resulting Blueprint may not be a Widget Blueprint as expected. Right-clicking on the code class in the Content Brows ...

When changing the Visibility of a RetainerBox wrapped widget to “Not Hit-Testable(Self&AllChildren)”, the widget incorrectly accepts the hit test

UE - Editor - UI Systems - UMG - Jan 28, 2025

The result of changing the Visibility of a widget placed as a child of RetainerBox is not reflected. Here we have disabled hittest for the Button widget, but hittest is incorrectly accepted. This is ...

Shooter Team Start's "Spawn Team" and "Not For Bots/Players" Options Not Working

Docs - Samples - Feb 25, 2016

When using a Shooter Team Start to set up team spawns in Shooter Game, enabling the Not for Bots, Not for Players, or the Spawn Team options don't seem to have an effect, as both the players and bot ...

Assets Using the SpeedTree in a material will render static shadows in Reflection Captures

UE - Graphics Features - May 26, 2015

When using a SpeedTree asset in a scene with a Reflection Capture actor the baked static shadow from an asset will be captured, even though the asset will not due to using the SpeedTree node in the ...

Camera Shakes with Oscillation Blend Out Time do not play for their full duration in Sequencer

UE - Anim - Sequencer - Sep 20, 2019

Camera shake oscillations with blend out time do not play their full duration in sequencer.  ...

Morph target LOD over 0 not worrking with GPU skin

UE - Rendering Architecture - RHI - Dec 17, 2019

I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...

DetourCrowdAIController causes AI to update movement differently

UE - AI - Apr 3, 2015

When you use MoveTo BT node, with a target set as Actor and your AIController is DetourCrowdAIController, the AI pawn will update its goal destination much less frequently. Instead of constantly fo ...

Distance Fields do not work with Directional Lights when using a AMD Radeon card.

UE - Graphics Features - Aug 25, 2015

Distance Field shadows do not appear to be working with those using Radeon series cards. Sample project attached DXDiag of machine that is having the issue is attached. AMD Radeon 200 series. ...

Blueprint compilation error regarding actor component

UE - Gameplay - Dec 11, 2017

Blueprint actor has an error in the event dispatcher node. The error states that the node is out of date and needs to be refreshed. Pressing the compile button will removed the error but when the pr ...

Changing LOD materials on Merged Actors Crashes Editor

UE - Gameplay - Sep 12, 2016

If you merg actors with LODs with the setting LODSelection Type set to "Use all LOD levels" then apply a material to the element 0 assigned to LOD1 the engine will crash. NOTE I wasn't able to rep ...