Unreal Engine Issues
Unreal Engine Issues
In 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 ...
Nanite mesh polygons disappearing when using masked opacity with vertex color in 5.4
UE - Graphics Features - Nanite - Jul 24, 2024In 5.4.3, a nanite enabled mesh with a material that takes its vertex color (R) and uses it as the opacity mask output in a masked blend mode material, causes the mesh to have disappearing polygons ...
ResavePackages fixredirects commandlet crashes Assertion failed: FLinkerLoad::FindExistingLinkerForPackage(Package)
UE - World Creation - Worldbuilding Tools - OFPA - Jul 24, 2024Mismatch of light position and PerObjectProjectedShadows
UE - Graphics Features - Jul 23, 2024Per-Object shadows cast by a stationary point light do not appear in the correct place on movable geometry. ...
Crash with WorldPartitionRenameDuplicateBuilder when duplicating a World Partition Level with actors referencing Data Layer Assets
UE - World Creation - Worldbuilding Tools - Data Layers - Jul 23, 2024check(!bPostTickComponentUpdate) fails triggered by UNiagaraComponent::CreateRenderState_Concurrent() and StaticMeshCompilingManager::FinishCompilation()
UE - Niagara - Rendering - Jul 23, 2024Reported alongside [Link Removed] Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears t ...
check(!bPostTickComponentUpdate) fails triggered by ~FStaticMeshComponentBulkReregisterContext() and FD3D12DynamicRHI::ProcessInterruptQueueUntil()
UE - Gameplay - Components - Jul 23, 2024Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears that it's not allowed to schedule mo ...
Nested PackedLevelActor bounds issue
UE - World Creation - Worldbuilding Tools - Level Instances - Jul 23, 2024Light Leaking With Raytraced Shadows On Lights With Non-Zero Source Length
UE - Graphics Features - Ray Tracing - Jul 23, 2024Light sources which have the source length attribute set to a value greater than zero seem to be leaking light through occluding geometry (see the image below and repro project). Moving it away from ...
Chaos Cache : Event tracks are not saved second or subsequent geometry collection recordings
UE - Simulation - Physics - Destruction - Jul 23, 2024After the second recording time, the event listener registration in FGeometryCollectionCacheAdapter::InitializeForRecord is skipped. Here is a workaround :// We only need to register event handlers ...