Unreal Engine Issues
Unreal Engine Issues
"Used with Particle Sprites" prevents material instances thumbnails from being editable
UE - Rendering - Architecture - Materials - Aug 4, 2023The thumbnails helpers will force material instances to be a plane, if their parent material is unedited. This can be worked around by editing the parent material, but editing the material instance ...
NiagaraComponent attached to the character won't stay active when travelling to a new level using seamless travel
UE - Rendering - Architecture - Niagara - Jul 27, 2023The pawn character is added to APlayerController::GetSeamlessTravelActorList, so it'll be persisted during server travel. The Niagara component is spawned during BeginPlay and activated manually. W ...
WorldPartitionRenameDuplicateBuilder rename breaks soft object refs
UE - Engine Scaling - Streaming - World Partition - Jul 26, 2023Renaming map using builder will break soft obj refs and warnings will also appear in the log: Warning: Serialized Class /Script/Engine.World for a property of Class /Script/Engine.Actor. Reference ...
Preview rendering does not update when slider is moved below 0.0 in timeline on in Niagara Editor.
UE - Rendering - Architecture - Niagara - Jul 26, 2023Workaround in UE5.3: UNiagaraComponent::TickComponent if (AgeDiff < 0.0f) { SystemInstanceController->Reset(FNiagaraSystemInstance::EResetMode::ResetAl ...
FMaterialResource::IsDualBlendingEnabled bug
UE - Rendering - Architecture - Materials - Jul 24, 2023The user has a proposed fix for this in the case. FMaterialResource::IsDualBlendingEnabled needs the following modification that includes MaterialInstance check: bool bMaterialRequestsDualSourceBle ...
Cull Distance Volumes don't work with WP
UE - Engine Scaling - Streaming - World Partition - Jul 19, 2023Level instance edit mode changes actor transforms
UE - Engine Scaling - Streaming - Level Instances - Jul 18, 2023When breaking a level instance, foliage instances in the LevelInstance are placed in the wrong location
UE - Engine Scaling - Streaming - Level Instances - Jul 8, 2023Following code works as a work around. The code updates placement information of instances. TMap<UFoliageType*, TArray<const FFoliageInstancePlacementInfo*>> AInstancedFoliageActor::GetInstancesF ...
Expose atlas parameter to CurveAtlasRowParameter node as well
UE - Rendering - Architecture - Materials - Jun 12, 2023This has been spotted and notified by a UDN user through case [Link Removed] The CurveAtlasRowParameter node exposes the Curve parameter to be overridden in derived Material Instances but not the A ...
Visual Noise on Thin Translucent materials with a Directional Light
UE - Rendering - Features - May 30, 2023Regression in testing This occurs with hardware and software ray tracing, as well as moveable and static lights This occurs regardless of anti aliasing. This was tested with DX12 ...