Unreal Engine Issues
Unreal Engine Issues
Hot Reload: Component bCanEverTick is not updated after compile
UE - Gameplay - Components - Mar 15, 2017Setting PrimaryComponentTick.bCanEverTick in a custom actor component's constructor does not does not stop the component from ticking after compile. ...
Translucent User Interface materials do not have a thumbnail preview
Tools - Feb 15, 2018Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...
Lightmass: Blocky lightmap artifacts appears on the Mesh Actor which is shadowing by a single face mesh
UE - Graphics Features - Lumen - Jun 9, 2020Begin Map Begin Level Begin Actor Class=/Script/Engine.StaticMeshActor Name=Plane_2 Archetype=/Script/Engine.StaticMeshActor'/Script/Engine.Default__StaticMeshActor' Begin Object Class=/Script/En ...
Root component transform is reset after reparenting an Actor-based BP with a non-native root to a parent with a native root.
UE - Gameplay - Blueprint - May 10, 2022Two conditions for this bug to appear:The new actor class we are re-parenting to overwrites the root component in C++The map is not loaded while re-parenting No current workaround other than to rep ...
Transforming inherited component in editor will crash
Tools - Mar 6, 2015When a component inherited from code is transformed in any way with the viewport controls (arrows, rotation sphere, scale boxes) the editor will crash. Using the value boxes to set the transform do ...
Nested component subobject visualization and defaults editing is not working properly.
UE - Gameplay - Components - Jul 28, 2016Currently it is only partially possible to edit nested component subobjects, but not in a way that's consistent with how top-level component subobjects are edited (both Blueprints and IWCE). This is ...
Error on Loading Pawn Blueprint Containing ActorSequenceComponent from GameMode Constructor
UE - Anim - Sequencer - Oct 25, 2017When attempting to load a Blueprint that contains a ActorSequence component from inside of a Gamemode's constructor, errors are given. The ActorSequence component is also removed from the Blueprint ...
Blueprint diffing tool attempts to diff transient properties
UE - Gameplay - Blueprint Editor - Oct 28, 2019The Blueprint diffing tool should skip transient properties. ...
FIndexedCurve::ScaleCurve returns invalid results
UE - Anim - Runtime - Feb 13, 2025Calling SetKeyTime in iterating KeyHandlesToIndices array can modify the array order, so it breaks the iterator. Perhaps ShiftCurve also has the same problem. Here is a work around: void FIndexedCu ...
Client often fires twice when overlapping on a dedicated server
UE - Gameplay - Blueprint - Oct 25, 2016Client often fires overlap event twice when overlapping on a dedicated server. Regression (no) issue (does) occur on 4.12.5 ...