Unreal Engine Issues
Unreal Engine Issues
UDelegateProperty define missing in DefineUPropertyMacros.h
UE - Foundation - Core - May 11, 2020The following code should be added in defineUPropertyMacros.h #ifndef UDelegateProperty #define UDelegateProperty DEPRECATED_MACRO(4.25, "UDelegateProperty has been renamed to FDelegateProperty") F ...
When always loading last project, project logs are saved to the engine folder
UE - Editor - Aug 6, 2020Checked on the Binary version //UE4/Release-4.25 stream CL 13942748 Version 4.25.3, logs are also saved into Engine folder: \AppData\Local\UnrealEngine\4.25\Saved\Logs instead of a Project folderIf a ...
Nativizing a blueprint interface using TMap/TSet causes Fatal error in UHT
UE - Gameplay - Blueprint Compiler - Sep 9, 2020FPropertyBase constructor does not handle a TMap/TSet property. Following workaround can avoid this error. explicit FPropertyBase(FProperty* Property) : PropertyExportFlags(PROPEXPORT_Public) ...
Implied Decal Blend Modes don't properly account for Material Attributes usage
UE - Graphics Features - Sep 28, 2021I've attached a project with the necessary materials that demonstrate this issue. I would expect that just because a Set Material Attributes node is inside a material graph it wouldn't affect the de ...
Particles Do Not Obey Lighting Channels
UE - Niagara - Apr 17, 2018Particle systems ignore lighting channels - no matter what channel a light is on (even if no channels are selected), it will affect lit particles. Changing lighting channels on the particle itself h ...
SplineMeshComponent's collision will start to distort the longer the Spline becomes
UE - Gameplay - Nov 30, 2016SplineMeshComponent's collision will start to distort the longer the Spline becomes This is a regession. It was working in 4.13.2-3172292 User Description: When drawing out a long spline mesh ( r ...
Sub Surface Shading Model has Strange Blotch Color Artifacts when Used with a Ambient Cubemap
UE - Graphics Features - Sep 23, 2019Sub surface shading model has strange blotch color artifacts when used with ambient cubemap. Since the subsurface profile shading model can't be used with ambient cubemap I wanted to use the regular ...
Geometry in sublevel created with "Load Level Instance" ignores level transform
UE - LD & Modeling - Modeling Tools - BSP - Sep 26, 2017Geometry in sublevel created with "Load Level Instance" ignores level transform. Other objects, such as Static meshes are affected by the transform. This issue is not a regression. Versions tested: ...
UClass::SparseClassDataStruct null at editor-time for child blueprints until compile
UE - Framework - Blueprint - May 29, 2024Child blueprints of a blueprint of a native actor class with sparse data can have an incorrectly null SparseClassDataStruct value, and thus fail to initialzie their SparseClassData. This affects edi ...
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 ...