Unreal Engine Issues
Unreal Engine Issues
Startup Movies in Lyra Flicker and trigger ensure: "Only one system can use the SlateThread at the same time. GetMoviePlayer is not compatible with PreLoadScreen."
UE - Media Framework - Dec 20, 2023When adding startup movies to Lyra, the movie playback flickers and an ensure conditions fails with the message: Ensure condition failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\M ...
Investigate copying over PhysMaterialOverride for BodyInstances in Packed Level Actors
UE - World Creation - Worldbuilding Tools - Level Instances - Dec 19, 2023Specular lighting occurs that ignores occlusion when lighting a Subsurface material from behind
UE - Graphics Features - Dec 19, 2023Fix AssetManager rules overrides in case PrimaryAssetTypesToScan for PrimaryAssetLabel sets bApplyRecursively=false
UE - Foundation - Data Pipeline - Cooker - Dec 11, 2023SetPrimaryAssetRules sets the "is overridden" variables (e.g. bOverrideApplyRecursively) based on a comparison with the global default rules:static FPrimaryAssetRules DefaultRules; ... ExplicitRu ...
AssetRegistry and CoreRedirects: Users of GeneratedClassTag do not uniformly handle CoreRedirects
UE - Foundation - Data Pipeline - Cooker - Dec 11, 2023ClassPaths are stored in FBlueprintTags::GeneratedClassPath, FBlueprintTags::ParentClassPath, FBlueprintTags::NativeParentClassPath, and are read by many locations in editor code. But these location ...
Optimize Data Layer runtime state replication
UE - World Creation - Worldbuilding Tools - Data Layers - Dec 7, 2023[Link Removed]This issue occurs only when I have a lot of RDLs (I tested 2500 and 1600). I tested with 6 RDLs and had no issuesI also noticed in the server log an error when a lot of RDLs are presen ...
Incorrect cast in UpdateEarlyZPassModeCVarSinkFunction when Scene is FNULLSceneInterface
UE - Rendering Architecture - Dec 4, 2023We have various casts across the engine on the scene, which fail to cast when the scene is a null scene. FScene* Scene = (FScene*)(World->Scene); Scene->UpdateEarlyZPassMode(); We shoul ...
Volumetric clouds jitter when in front of geometry
UE - Graphics Features - Nov 30, 2023Potentially related to [Link Removed], but distinct. ...
When a BPActor containing HISMs is multiplied with a scale, LOD display control doesn't work correctly
UE - Rendering Architecture - Nov 29, 2023Workaround 1: 1. Change HierarchicalInstancedStaticMesh.cpp in either of the following ways:void{{ FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, c ...
Some post-processing passes sample outside of the viewport when using scene capture components
UE - Graphics Features - Nov 29, 2023It looks like the SSAO shader does not clamp its sample space to the half view size for the two inputs "Ambient Occlusion" and "AmbientOcclusionSetup", leading to invalid data entering the edge of f ...