Unreal Engine Issues
Unreal Engine Issues
Details Panel Bug - Multiple external objects of same type share expansion state
UE - Editor - Workflow Systems - Oct 5, 2023This is because expansion state is saved per class, and we are displaying multiple objects of the same class at the same type. The UniqueID we add when adding these objects via 'AddExternalObject' ...
Component Picker search does not behave as expected
UE - Editor - Workflow Systems - Oct 26, 2023Search results in component pickers do not show up unless they match both the name of the actor and the component, this is because FActorHierarchy::CreateWorldChildren ends up calling Mode->CreateIt ...
InstancedStruct Local Variables do not work
UE - Foundation - May 7, 2025The licensee has noticed that local variables of type InstancedStruct return nullptr. The setup is a verification of the behavior. Class variables work normally. I've tested this behavior on every v ...
The node wires in this project's MyCharacter blueprint do not animate during PIE
UE - Gameplay - Blueprint - Mar 13, 2015The node wires in this project's MyCharacter blueprint do not animate during PIE. This also occurs with the NPC and AI Blueprints the first time you PIE, but the second time they animat as expected. ...
Landscape Components No Longer Editable after Undoing Component Deletion
UE - LD & Modeling - Terrain - Landscape - Oct 20, 2015When working in Manage Mode with Landscapes and deleting a component, if you undo the deletion, you can no longer modify or select the component. I did attempt to rebuild the scenes lighting and ge ...
UnrealVS "Refresh Projects" fails for projects
UE - Foundation - Cpp Tools - UnrealVS - Nov 10, 2015Using the Refresh Projects button in the UnrealVS toolbar will fail for projects because it can't find the "GenerateProjectFiles.bat" file for the specified project. Licensee reporting the issue me ...
SpeedTree Material No Longer Compiles With Texture Coordinate Node In BaseColor
UE - Graphics Features - Jan 25, 2017If you open a material with the speedtree node plugged into WPO and then use a texture coordinate(index of 2) in base color the material will no longer compile properly. The full error is "Error [ ...
[CrashReport] ULevel::GetWorldSettings - UStaticMeshThumbnailRenderer::Draw
Tools - Oct 30, 2017This is a common crash that has occurred since at least 4.14. The callstack is nearly identical to [Link Removed], which appears to be fixed in 4.18; and [Link Removed], which has not. The differen ...
Volumetric fog does play nice with dynamic res
UE - Graphics Features - Jan 4, 2019Dynamic resolution dynamically changes the the size of the viewport in render targets. The thing is when the resolution changes: it is reprojecting previous frame that is stored in history render ta ...
Asset localization does not work properly for Paper2D related assets such as Flipbook
UE - Foundation - Mar 18, 2022This issue is resolved by changing Paper2D's LoadingPhase to PostConfigInit, but this is a workaround. We suggest a better long term fix via AssetRegistry changes (see comments). In the default la ...