Unreal Engine Issues
Unreal Engine Issues
Absolute World Position not returning the correct values in post process material after Temporal Upscale
UE - Graphics Features - Jul 26, 2022Regression: "Object Position" node in Light Function materials did not compile up to UE 5.0. Starting with 5.1, it compiles but outputs garbage values
UE - Rendering Architecture - Materials - Aug 26, 2024Up to UE 5.0, when the "Object Position" node is used in the Material Editor as part of a material with Light Function domain, attempting to compile the material results in the following error: "[SM ...
Material Preview for Post Process Material Does not display in Material Editor
UE - Graphics Features - May 19, 2017In the Material editor for when working with a Post Process Material, the material does not appear in the preview window. Regression: This issue does not occur in 4.15.2 Binary Builds ...
Texture Sample 2D Parameter not Working with WPO on Mobile Quality ES3.1
UE - Platform - Mobile - Jun 30, 2017WPO does not accept TextureParameter2D nodes when deployed to High End Mobile. The interesting thing is that all other inputs accept Param2D, so it is not entirely clear why WPO is not working. If ...
Wrong LOD Selected on Skeletal Mesh with Active Scene Capture
Tools - Dec 11, 2017Skeletal Meshes with LODs are not able to change LOD levels when a SceneCapture Actor is present. The LOD selected for the Render Target of the Scene Capture is used also for the main viewport. This ...
Composite Textures Normal to Roughness Alpha doesn't generate valid data
UE - Graphics Features - Apr 18, 2018Postprocess volume priority bug
UE - Graphics Features - Mar 13, 2023ActorPositionWS Material BP node can crash when used in Post Process material
UE - Graphics Features - Oct 17, 2016The ActorPositionWS BP node calls GetActorWorldPosition() in HLSL which references Primitive.ActorWorldPosition. But GetActorWorldPosition() is not protected by an #if HAS_PRIMITIVE_UNIFORM_BUFFER ...
Cannot assign default values for UserWidget variable in blueprints
UE - Gameplay - Blueprint Editor - Feb 21, 2017Cannot assign default values for UserWidget variable. This limits their usability in blueprint classes, and really prevents them from being useful in UserStructs, particularly if that user struct is ...