Unreal Engine Issues
Unreal Engine Issues
Could not delete reference in specific level sequence
UE - Anim - Sequencer - Jun 12, 2018Could not delete reference in specific level sequence. It seems to be a soft reference because it becomes a reference for pink color, but I do not know where it is being referred. ...
Fbx exporter do not support material instance
UE - Editor - Content Pipeline - Import and Export - May 15, 2020The fbx exporter should support material instance to export the same result has the user see in the content browser or in the level editor. ...
[VariantManager] Over exposure when using image from file as thumbnail
UE - Editor - Content Pipeline - Variants - Jun 10, 2024This is a sRGB color space issue. Potential solution: Use regular texture import instead of FImageUtils::ImportFileAsTexture2D in ThumbnailGenerator::GenerateThumbnailFromFile ...
Invalid GUIDs on new material instance parameters cause overrides to break on base param rename
UE - Rendering Architecture - Materials - Sep 3, 2025When a parameter value is assigned on a newly created material instance (constant or dynamic) using Set***ParameterValueInternal, the parameter’s ExpressionGUID is left invalid (0,0,0,0). Parameter ...
Widget defaults not updated when modified on a base widget class via the hierarchy
UE - Editor - UI Systems - UMG - May 3, 2023A licensee has reported an inconsistency in how modified base widget class defaults are propagated to children. When modified via the UMG Designer Graph's Class Defaults, derived classes will be mar ...
Construction script on child actor components not respected in PIE
UE - Gameplay - Blueprint - Jan 14, 2016Child Actor Components run their construction scripts upon parent's placement in level. However, these specifications are not maintained once PIE is initiated. ...
Scenecapturecomponent not including Niagara effect if custom renderpass is used
UE - Graphics Features - Mar 20, 2025When using an "FSceneRenderer::CustomRenderPasses", the View never has Distance Field textures assigned. Can it instead reuse the Distance Field clipmap from the main view? ...
Unreal Insights - GPU Timers don't show on Graph
UE - Foundation - Insights - Oct 27, 2023From Customer: UE 5.3 update broke Unreal Insights adding GPU timers into graph tracks. Debugging the code and cross checking with github/p4v I guess it broke in this revision: Timer graphs no ...
Small line at the bottom of 3D Widgets when widgets positions are set to x=0,y=0
UE - Editor - UI Systems - Aug 10, 2015If the user sets a widget to the position x=0,y=0 and then applies this as a widget component, there will be an artifact at the bottom of the widget that is the color of the widget that is in this p ...
Modulated Shadow doesn't work
UE - Platform - Mobile - Aug 7, 20204.22 is working On Mobile sometimes Modulated Shadow is useful for Cast custom color and value Shadows on Unlit objects(custom celshading for example) ...