Unreal Engine Issues
Unreal Engine Issues
Component Picker search does not behave as expected
UE - Editor - 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 ...
Material expression "FloatToUInt" can trigger a check() when input is invalid
UE - Rendering - Architecture - Materials - Mar 11, 2026When a "Float to UInt" Expression is used in a Material Graph with a valid direct input connection that fails to evaluate, function UMaterialExpressionFloatToUInt::Compile() does not catch the input ...
Event Dispatcher not being called in 4.6
UE - Gameplay - Blueprint - Dec 8, 2014ED nodes in 4.6 but are not being executed in standalone or cooked games. Also, users receive compile errors when the project is saved and reopened that resolve when the blueprint is recompiled. ...
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 ...
Damping is handled differently at lower frame rates
UE - Gameplay - Aug 3, 2016Damping is handled differently at lower frame rates. Slight changes in damping at lower FPS (25) drastically effects objects and isn't applied in the same way as at higher FPS (60) User Description ...
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 ...
Landscape Tool crashes on Layer Import
UE - LD & Modeling - Terrain - Landscape - Mar 12, 2020The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...