Unreal Engine Issues
Unreal Engine Issues
Image appears upside down when using Export Render Target on Android
UE - Platform - Mobile - Oct 16, 2020Image appears to be upside down Bug was checked on production, engine version 4.25.3 and is NOT reproducible Regression = yes ...
InstancedStaticMeshComponent causes crash in editor compiled with ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES set to zero
UE - Graphics Features - Nov 11, 2022ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES works without crashing in ue4.27. It appears that this code path is not maintained in ue5. ...
Volumetric fog black and not updating with real-time capture skylight
UE - Rendering Architecture - Oct 20, 2023It looks like the skylight is not updating the CPU side SH values when Real Time Capture is enabled, and thus old/empty values are sent to the fog. ...
Pixel Inspector does not display Gbuffer values properly when a mesh with a material that has Anisotropy set is in Level
UE - Graphics Features - Jan 16, 2024This issue occurs when there is a material with Anisotropy, like the attached GIF.[Image Removed] ...
Color shifting occurs from screen probe gather ping-pong when Lumen active
UE - Graphics Features - Lumen - Apr 29, 2024A subtle yellow tint color shift occurs when Lumen is active due to usage of R11G11B10_Float targets, mostly from r.Lumen.ScreenProbeGather.SpatialFilterProbes where we ping-pong between R11G11B10_F ...
Custom buffer visualization material instance problem
UE - Rendering Architecture - Materials - Jun 28, 2024Material Instances used in Custom Buffer Visualizations do not respect parameter overrides, and use the parent material's values. Also tested on UE5-Main, CL: 34543023 ...
Landscape Layer Painting issues when painting near the edge of delete Landscape Proxies.
UE - Graphics Tools - Terrain - Jul 19, 2024It appears that the landscape painting tool is not correctly taking into account deleted landscape sections, resulting in artifacts inside of the weight textures. ...
'prefix parameter names' checkbox in a material function's settings does nothing.
UE - Rendering Architecture - Materials - Nov 14, 2024Prefix Parameter Names checkbox does not work as expected, and the Group names are unmodified. The value "UMaterialFunction::bPrefixParameterNames" does not appear to be used anywhere in the Engine ...
Water body actor casts static shadow
UE - Graphics Tools - Terrain - Water - Jan 14, 2025WaterBody Actors will cast static shadows in built lighting even if their Cast Shadow options are disabled. ...
Large Memory Allocations When Adding a Landscape_WaterBrushManager
UE - Graphics Tools - Terrain - Mar 17, 2025When a "Water Body River" is added to a Scene with a Landscape, eleven Render Targets are allocated for the water rendering. These Render Targets are sized according to the resolution of the Landsca ...