Unreal Engine Issues
Unreal Engine Issues
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, 2025The 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 ...
Assets Using the SpeedTree in a material will render static shadows in Reflection Captures
UE - Graphics Features - May 26, 2015When 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, 2019Camera 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, 2019I 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 ...
Inconsistent VSM page behavior around the Dynamic Shadow Distance range
UE - Rendering - Graphics Features - Shadows - Feb 17, 2026When a sufficiently large object casts shadows near the Directional Light's Dynamic Shadow Distance range, the VSM pages are inconsistent in their shadowing - some will choose to shadow per-pixel, w ...
DetourCrowdAIController causes AI to update movement differently
UE - AI - Apr 3, 2015When 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, 2015Distance 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, 2017Blueprint 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 The error states that the node is out of date and needs to be refreshed.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 ...
Activating physics on a component will break movement for the component
UE - Gameplay - Aug 4, 2015Setting simulate physics for a component of an actor will cause that component to not react when the actor root is updated. ...
Changing LOD materials on Merged Actors Crashes Editor
UE - Gameplay - Sep 12, 2016If 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 ...