Unreal Engine Issues
Unreal Engine Issues
Pie startup optimization: UWorld::PostDuplicate::ValidateTextureOverridesForPIE optimization
UE - Foundation - Core - EditorLoader - Jul 29, 2024Here is a snap shot of the propose UDN change: TRACE_CPUPROFILER_EVENT_SCOPE(ValidateTextureOverridesForPIE); TSet<UMaterialInterface*> ProcessedMaterials;TArray<UPrimitiveComponent*> Components; ...
Incorrect Lighting With Exponential Height Fog And Light Function Atlas
UE - Graphics Features - Jul 29, 2024There currently is a mismatch occurring when light function atlases are used in conjunction with exponential height fog. When the flag r.VolumetricFog.UsesLightFunctionAtlas is enabled, light shafts ...
Cook Determinism - Construction Scripts and ChildActorComponent issues with DiffCooks
UE - Gameplay - Components - Jul 26, 2024To step through the issue, in the -DiffOnly cook add a breakpoint to UChildActorComponent::OnRegister and UChildActorComponent::OnUnregister. It should hit 4 times:Once when LoadPackage loads the ma ...
Chaos Cache : When Min Speed To Spawn Trailing Particles > 0, particles are never spawned by chaos cache trailing events
UE - Niagara - Data Interface - Jul 26, 2024Because UniagaradataInterfaceChaosDestruction::HandleTrailingEvents does not respect incoming TrailingEvent data, the debris velocity during chaos cache playback is always evaluated as zero. The fo ...
Removal of ReplacementSceneComponent leaves trashed components during WorldPartitionResaveActorsBuilder
UE - World Creation - Worldbuilding Tools - World Partition - Jul 25, 2024Running WorldPartitionResaveActors builder can detach attached actors. ...
Crash after generating HLODs for merged meshes that have all triangles culled
UE - World Creation - Worldbuilding Tools - HLOD - Jul 25, 2024In UE 5.4, some config variables are not getting saved correctly, due to the new User/Editor rules.
UE - Simulation - Physics - Jul 24, 2024A lot of properties are not getting saved correctly to custom configuration files. This looks like that it can be cause by the FConfigContext::PerformLoad function. New conditionals have been added ...